/* roulang page: index */
:root {
            --kaiyun-primary: #5F8F8A;
            --kaiyun-primary-dark: #4A7A75;
            --kaiyun-primary-light: #7FAD9F;
            --kaiyun-bg: #F4F8F7;
            --kaiyun-bg-light: #EAF2F0;
            --kaiyun-ink: #1D252C;
            --kaiyun-ink-soft: #2C3841;
            --kaiyun-gold: #E9B267;
            --kaiyun-grey: #6F6F7A;
            --kaiyun-accent: #2F9B89;
            --kaiyun-accent-light: #3DB8A2;
            --kaiyun-gradient: linear-gradient(135deg, #F4F8F7 0%, #CFE3DF 35%, #2F9B89 100%);
            --kaiyun-gradient-btn: linear-gradient(135deg, #7FAD9F 0%, #5F8F8A 45%, #2F9B89 100%);
            --kaiyun-gradient-btn-hover: linear-gradient(135deg, #2F9B89 0%, #5F8F8A 50%, #7FAD9F 100%);
            --kaiyun-border: rgba(95, 143, 138, 0.15);
            --kaiyun-border-strong: rgba(95, 143, 138, 0.35);
            --kaiyun-shadow-sm: 0 4px 14px rgba(29, 37, 44, 0.06);
            --kaiyun-shadow: 0 8px 30px rgba(29, 37, 44, 0.08);
            --kaiyun-shadow-hover: 0 14px 40px rgba(47, 155, 137, 0.18);
            --kaiyun-radius-sm: 12px;
            --kaiyun-radius: 20px;
            --kaiyun-radius-lg: 28px;
            --kaiyun-radius-pill: 999px;
            --kaiyun-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --kaiyun-section-gap: 96px;
            --kaiyun-section-gap-mobile: 56px;
            --kaiyun-container-gutter: 24px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--kaiyun-font);
            background-color: var(--kaiyun-bg);
            color: var(--kaiyun-ink);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            padding-top: 0;
        }

        a {
            color: var(--kaiyun-primary);
            text-decoration: none;
            transition: color 0.25s ease, text-decoration 0.25s ease;
        }
        a:hover {
            color: var(--kaiyun-accent);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(47, 155, 137, 0.4);
            outline-offset: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .kaiyun-container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: var(--kaiyun-container-gutter);
            padding-right: var(--kaiyun-container-gutter);
        }

        @media (min-width: 992px) {
            .kaiyun-container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        .section-gap {
            padding: var(--kaiyun-section-gap) 0;
        }
        @media (max-width: 767.98px) {
            .section-gap {
                padding: var(--kaiyun-section-gap-mobile) 0;
            }
        }

        .kaiyun-bg-white {
            background: #ffffff;
        }
        .kaiyun-bg-light {
            background: var(--kaiyun-bg-light);
        }
        .kaiyun-bg-ink {
            background: var(--kaiyun-ink);
            color: #EAF2F0;
        }

        /* ========== 导航 ========== */
        .kaiyun-nav {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--kaiyun-border);
            transition: box-shadow 0.3s ease;
        }
        .kaiyun-nav.scrolled {
            box-shadow: 0 6px 24px rgba(29, 37, 44, 0.10);
        }
        .kaiyun-nav-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .kaiyun-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .kaiyun-brand:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-brand-logo {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--kaiyun-gradient-btn);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-nav-search {
            flex: 1;
            max-width: 360px;
            position: relative;
        }
        .kaiyun-nav-search input {
            width: 100%;
            height: 40px;
            border-radius: var(--kaiyun-radius-pill);
            border: 1px solid var(--kaiyun-border-strong);
            background: var(--kaiyun-bg);
            padding: 0 42px 0 18px;
            font-size: 0.9rem;
            color: var(--kaiyun-ink);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .kaiyun-nav-search input::placeholder {
            color: var(--kaiyun-grey);
        }
        .kaiyun-nav-search input:focus {
            border-color: var(--kaiyun-accent);
            box-shadow: 0 0 0 3px rgba(47, 155, 137, 0.15);
            outline: none;
        }
        .kaiyun-nav-search .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--kaiyun-grey);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .kaiyun-nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .kaiyun-nav-cta .mobile-search-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--kaiyun-bg);
            border: 1px solid var(--kaiyun-border);
            color: var(--kaiyun-ink);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .kaiyun-nav-cta .mobile-search-btn:hover {
            background: var(--kaiyun-bg-light);
            border-color: var(--kaiyun-border-strong);
        }

        .kaiyun-nav-tabs-wrap {
            border-top: 1px solid var(--kaiyun-border);
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            -webkit-overflow-scrolling: touch;
        }
        .kaiyun-nav-tabs-wrap::-webkit-scrollbar {
            display: none;
        }
        .kaiyun-nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            min-width: max-content;
            padding: 0 4px;
            height: 48px;
        }
        .kaiyun-nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 0 18px;
            height: 46px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--kaiyun-grey);
            border-radius: var(--kaiyun-radius-pill);
            white-space: nowrap;
            position: relative;
            transition: all 0.25s ease;
            border: none;
            background: transparent;
            cursor: pointer;
        }
        .kaiyun-nav-tab:hover {
            color: var(--kaiyun-ink);
            background: var(--kaiyun-bg-light);
        }
        .kaiyun-nav-tab.active {
            color: var(--kaiyun-ink);
            font-weight: 700;
            background: linear-gradient(135deg, rgba(244, 248, 247, 0.9), rgba(47, 155, 137, 0.12));
        }
        .kaiyun-nav-tab.active::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 3px;
            background: var(--kaiyun-gradient-btn);
            border-radius: 3px;
        }

        @media (max-width: 767.98px) {
            .kaiyun-nav-top {
                height: 56px;
            }
            .kaiyun-brand {
                font-size: 1.15rem;
            }
            .kaiyun-brand-logo {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
                border-radius: 8px;
            }
            .kaiyun-nav-search {
                display: none;
            }
            .kaiyun-nav-cta .mobile-search-btn {
                display: inline-flex;
            }
            .kaiyun-nav-cta .desktop-cta {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
            .kaiyun-nav-tabs {
                height: 44px;
            }
            .kaiyun-nav-tab {
                padding: 0 14px;
                height: 42px;
                font-size: 0.82rem;
            }
        }

        /* ========== 按钮 ========== */
        .kaiyun-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--kaiyun-radius-pill);
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.4;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            white-space: nowrap;
        }
        .kaiyun-btn:focus-visible {
            outline: 3px solid rgba(47, 155, 137, 0.4);
            outline-offset: 3px;
        }
        .kaiyun-btn-primary {
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            box-shadow: 0 6px 18px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-btn-primary:hover,
        .kaiyun-btn-primary:active {
            background: var(--kaiyun-gradient-btn-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(47, 155, 137, 0.35);
        }
        .kaiyun-btn-primary:active {
            transform: translateY(0);
        }
        .kaiyun-btn-outline {
            background: transparent;
            color: var(--kaiyun-accent);
            border: 2px solid var(--kaiyun-accent);
        }
        .kaiyun-btn-outline:hover {
            background: rgba(47, 155, 137, 0.08);
            color: var(--kaiyun-accent);
            transform: translateY(-2px);
        }
        .kaiyun-btn-white {
            background: #fff;
            color: var(--kaiyun-accent);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
        }
        .kaiyun-btn-white:hover {
            background: var(--kaiyun-bg-light);
            color: var(--kaiyun-accent);
            transform: translateY(-2px);
        }
        .kaiyun-btn-sm {
            padding: 8px 18px;
            font-size: 0.83rem;
        }
        .kaiyun-btn-lg {
            padding: 16px 38px;
            font-size: 1.05rem;
        }
        @media (max-width: 575.98px) {
            .kaiyun-btn {
                padding: 10px 20px;
                font-size: 0.88rem;
                width: 100%;
            }
            .kaiyun-btn-lg {
                padding: 14px 26px;
                font-size: 0.95rem;
            }
        }

        /* ========== 徽章/标签 ========== */
        .kaiyun-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 14px;
            border-radius: var(--kaiyun-radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .kaiyun-badge-gradient {
            background: var(--kaiyun-gradient-btn);
            color: #fff;
        }
        .kaiyun-badge-soft {
            background: rgba(95, 143, 138, 0.12);
            color: var(--kaiyun-primary-dark);
            border: 1px solid rgba(95, 143, 138, 0.3);
        }
        .kaiyun-badge-gold {
            background: rgba(233, 178, 103, 0.18);
            color: #A07830;
            border: 1px solid rgba(233, 178, 103, 0.4);
        }
        .kaiyun-badge-ink {
            background: var(--kaiyun-ink);
            color: #EAF2F0;
        }
        .kaiyun-badge-outline {
            background: transparent;
            border: 1.5px solid var(--kaiyun-border-strong);
            color: var(--kaiyun-grey);
        }

        .kaiyun-tag {
            display: inline-block;
            padding: 4px 13px;
            border-radius: var(--kaiyun-radius-pill);
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(95, 143, 138, 0.10);
            color: var(--kaiyun-primary-dark);
            margin: 3px 4px 3px 0;
            transition: all 0.25s ease;
        }
        .kaiyun-tag:hover {
            background: rgba(47, 155, 137, 0.18);
            color: var(--kaiyun-accent);
        }

        /* ========== 卡片 ========== */
        .kaiyun-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow);
            transition: all 0.35s ease;
            overflow: hidden;
        }
        .kaiyun-card:hover {
            box-shadow: var(--kaiyun-shadow-hover);
            transform: translateY(-4px);
            border-color: var(--kaiyun-border-strong);
        }
        .kaiyun-card-body {
            padding: 26px 24px;
        }
        .kaiyun-card-lg {
            border-radius: var(--kaiyun-radius-lg);
        }

        /* ========== Hero ========== */
        .kaiyun-hero {
            min-height: 85vh;
            display: flex;
            align-items: center;
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 80px 0 70px;
        }
        .kaiyun-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(244, 248, 247, 0.92) 0%, rgba(207, 227, 223, 0.78) 40%, rgba(47, 155, 137, 0.55) 100%);
        }
        .kaiyun-hero .kaiyun-container {
            position: relative;
            z-index: 2;
        }
        .kaiyun-hero-content {
            max-width: 620px;
        }
        .kaiyun-hero h1 {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--kaiyun-ink);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .kaiyun-hero .hero-sub {
            font-size: 1.08rem;
            line-height: 1.8;
            color: #3A4A52;
            margin-bottom: 30px;
            max-width: 560px;
        }
        .kaiyun-hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }
        .kaiyun-hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px dashed rgba(95, 143, 138, 0.3);
        }
        .kaiyun-hero-stat {
            text-align: left;
        }
        .kaiyun-hero-stat .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--kaiyun-accent);
            line-height: 1.2;
        }
        .kaiyun-hero-stat .stat-label {
            font-size: 0.78rem;
            color: var(--kaiyun-grey);
        }

        @media (max-width: 991.98px) {
            .kaiyun-hero h1 {
                font-size: 2.1rem;
            }
            .kaiyun-hero .hero-sub {
                font-size: 0.98rem;
            }
        }
        @media (max-width: 575.98px) {
            .kaiyun-hero {
                min-height: auto;
                padding: 48px 0 40px;
            }
            .kaiyun-hero h1 {
                font-size: 1.65rem;
            }
            .kaiyun-hero .hero-sub {
                font-size: 0.9rem;
                line-height: 1.7;
            }
            .kaiyun-hero-badges {
                gap: 8px;
            }
            .kaiyun-hero-stats {
                gap: 14px;
            }
            .kaiyun-hero-stat .stat-num {
                font-size: 1.3rem;
            }
        }

        /* ========== 板块标题 ========== */
        .kaiyun-section-title {
            margin-bottom: 40px;
        }
        .kaiyun-section-title h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .kaiyun-section-title p {
            font-size: 0.95rem;
            color: var(--kaiyun-grey);
            max-width: 560px;
            margin-bottom: 0;
            line-height: 1.75;
        }
        .kaiyun-section-title .kaiyun-badge {
            margin-bottom: 12px;
        }
        @media (max-width: 575.98px) {
            .kaiyun-section-title h2 {
                font-size: 1.45rem;
            }
            .kaiyun-section-title p {
                font-size: 0.88rem;
            }
        }

        /* ========== 痛点区 ========== */
        .kaiyun-pain-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--kaiyun-radius-sm);
            border: 1px solid var(--kaiyun-border);
            margin-bottom: 14px;
            transition: all 0.3s ease;
        }
        .kaiyun-pain-item:hover {
            border-color: var(--kaiyun-border-strong);
            box-shadow: var(--kaiyun-shadow-sm);
        }
        .kaiyun-pain-icon {
            flex-shrink: 0;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(95, 143, 138, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--kaiyun-accent);
            font-size: 1rem;
        }
        .kaiyun-pain-text h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 4px;
        }
        .kaiyun-pain-text p {
            font-size: 0.85rem;
            color: var(--kaiyun-grey);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ========== 时间轴/更新节点 ========== */
        .kaiyun-timeline {
            position: relative;
            padding-left: 28px;
        }
        .kaiyun-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: linear-gradient(180deg, var(--kaiyun-accent), rgba(95, 143, 138, 0.3));
            border-radius: 3px;
        }
        .kaiyun-timeline-item {
            position: relative;
            padding: 16px 20px;
            background: #fff;
            border-radius: var(--kaiyun-radius-sm);
            border: 1px solid var(--kaiyun-border);
            margin-bottom: 14px;
        }
        .kaiyun-timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 22px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--kaiyun-accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px rgba(47, 155, 137, 0.4);
        }
        .kaiyun-timeline-item .kaiyun-badge {
            margin-bottom: 8px;
        }
        .kaiyun-timeline-item h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 4px;
        }
        .kaiyun-timeline-item p {
            font-size: 0.82rem;
            color: var(--kaiyun-grey);
            margin-bottom: 0;
        }

        /* ========== 更新路线/大卡 ========== */
        .kaiyun-scroll-cards {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: var(--kaiyun-primary) transparent;
        }
        .kaiyun-scroll-cards::-webkit-scrollbar {
            height: 5px;
        }
        .kaiyun-scroll-cards::-webkit-scrollbar-thumb {
            background: var(--kaiyun-primary);
            border-radius: 5px;
        }
        .kaiyun-scroll-card {
            flex: 0 0 320px;
            scroll-snap-align: start;
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow);
            overflow: hidden;
            transition: all 0.35s ease;
        }
        .kaiyun-scroll-card:hover {
            box-shadow: var(--kaiyun-shadow-hover);
            transform: translateY(-4px);
            border-color: var(--kaiyun-border-strong);
        }
        .kaiyun-scroll-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }
        .kaiyun-scroll-card-body {
            padding: 20px;
        }
        .kaiyun-scroll-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 8px;
        }
        .kaiyun-scroll-card-body p {
            font-size: 0.85rem;
            color: var(--kaiyun-grey);
            margin-bottom: 14px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .kaiyun-scroll-card-body .kaiyun-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }
        .kaiyun-scroll-card-body .kaiyun-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.75rem;
            color: var(--kaiyun-grey);
        }

        @media (max-width: 767.98px) {
            .kaiyun-scroll-card {
                flex: 0 0 270px;
            }
            .kaiyun-scroll-card img {
                height: 140px;
            }
        }

        /* ========== 数据徽章组 ========== */
        .kaiyun-stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .kaiyun-stat-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--kaiyun-shadow-sm);
            transition: all 0.3s ease;
        }
        .kaiyun-stat-card:hover {
            box-shadow: var(--kaiyun-shadow);
            transform: translateY(-3px);
        }
        .kaiyun-stat-card .stat-icon {
            font-size: 1.5rem;
            color: var(--kaiyun-accent);
            margin-bottom: 10px;
        }
        .kaiyun-stat-card .stat-num {
            font-size: 2.1rem;
            font-weight: 800;
            background: var(--kaiyun-gradient-btn);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .kaiyun-stat-card .stat-label {
            font-size: 0.83rem;
            color: var(--kaiyun-grey);
            font-weight: 500;
        }

        @media (max-width: 991.98px) {
            .kaiyun-stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .kaiyun-stat-card .stat-num {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 575.98px) {
            .kaiyun-stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .kaiyun-stat-card {
                padding: 18px 14px;
            }
            .kaiyun-stat-card .stat-num {
                font-size: 1.3rem;
            }
            .kaiyun-stat-card .stat-label {
                font-size: 0.72rem;
            }
        }

        /* ========== 评价卡片 ========== */
        .kaiyun-testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .kaiyun-testimonial-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            padding: 26px 24px;
            box-shadow: var(--kaiyun-shadow-sm);
            transition: all 0.3s ease;
        }
        .kaiyun-testimonial-card:hover {
            box-shadow: var(--kaiyun-shadow);
            transform: translateY(-3px);
        }
        .kaiyun-testimonial-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .kaiyun-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--kaiyun-primary-light), var(--kaiyun-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .kaiyun-testimonial-head .name {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
        }
        .kaiyun-testimonial-head .role {
            font-size: 0.78rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-testimonial-card .quote {
            font-size: 0.88rem;
            line-height: 1.7;
            color: #3A4A52;
            margin-bottom: 0;
            position: relative;
            padding-left: 16px;
            border-left: 3px solid rgba(47, 155, 137, 0.3);
        }

        @media (max-width: 767.98px) {
            .kaiyun-testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .kaiyun-testimonial-card {
                padding: 20px 18px;
            }
            .kaiyun-testimonial-card .quote {
                font-size: 0.82rem;
            }
        }

        /* ========== 合作伙伴标签 ========== */
        .kaiyun-partners {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .kaiyun-partner-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 16px 20px;
            background: #fff;
            border-radius: var(--kaiyun-radius-sm);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            transition: all 0.3s ease;
            flex: 1 1 180px;
            min-width: 160px;
        }
        .kaiyun-partner-item:hover {
            border-color: var(--kaiyun-border-strong);
            box-shadow: var(--kaiyun-shadow);
            transform: translateY(-2px);
        }
        .kaiyun-partner-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, rgba(95, 143, 138, 0.2), rgba(47, 155, 137, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--kaiyun-accent);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .kaiyun-partner-info h5 {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 3px;
        }
        .kaiyun-partner-info p {
            font-size: 0.78rem;
            color: var(--kaiyun-grey);
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .kaiyun-faq-item {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .kaiyun-faq-item.active {
            border-color: var(--kaiyun-accent);
            box-shadow: 0 8px 24px rgba(47, 155, 137, 0.12);
        }
        .kaiyun-faq-item .kaiyun-faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.92rem;
            color: var(--kaiyun-ink);
            user-select: none;
            transition: all 0.25s ease;
        }
        .kaiyun-faq-item .kaiyun-faq-question:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-faq-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            flex-shrink: 0;
        }
        .kaiyun-faq-item .kaiyun-faq-question .faq-icon {
            margin-left: auto;
            font-size: 0.85rem;
            color: var(--kaiyun-grey);
            transition: transform 0.3s ease;
        }
        .kaiyun-faq-item.active .kaiyun-faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--kaiyun-accent);
        }
        .kaiyun-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .kaiyun-faq-item.active .kaiyun-faq-answer {
            max-height: 400px;
        }
        .kaiyun-faq-answer-inner {
            padding: 0 24px 20px 46px;
            font-size: 0.88rem;
            color: var(--kaiyun-grey);
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .kaiyun-cta {
            background: var(--kaiyun-gradient);
            border-radius: var(--kaiyun-radius-lg);
            padding: 52px 40px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--kaiyun-shadow);
        }
        .kaiyun-cta::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.12);
            pointer-events: none;
        }
        .kaiyun-cta h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .kaiyun-cta p {
            font-size: 0.95rem;
            color: #3A4A52;
            max-width: 480px;
            margin-bottom: 24px;
            line-height: 1.75;
        }
        .kaiyun-cta .kaiyun-btn {
            position: relative;
            z-index: 2;
        }
        @media (max-width: 575.98px) {
            .kaiyun-cta {
                padding: 32px 20px;
            }
            .kaiyun-cta h2 {
                font-size: 1.35rem;
            }
            .kaiyun-cta p {
                font-size: 0.85rem;
            }
        }

        /* ========== 表单 ========== */
        .kaiyun-form-input {
            width: 100%;
            height: 46px;
            border-radius: 14px;
            border: 1px solid var(--kaiyun-border-strong);
            background: #fff;
            padding: 0 16px;
            font-size: 0.9rem;
            color: var(--kaiyun-ink);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .kaiyun-form-input:focus {
            border-color: var(--kaiyun-accent);
            box-shadow: 0 0 0 3px rgba(47, 155, 137, 0.15);
            outline: none;
        }
        .kaiyun-form-input::placeholder {
            color: var(--kaiyun-grey);
        }

        /* ========== 资讯列表 ========== */
        .kaiyun-news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--kaiyun-border);
            transition: all 0.25s ease;
        }
        .kaiyun-news-item:hover {
            padding-left: 8px;
        }
        .kaiyun-news-item:last-child {
            border-bottom: none;
        }
        .kaiyun-news-date {
            flex-shrink: 0;
            width: 58px;
            text-align: center;
            padding: 8px 4px;
            background: rgba(95, 143, 138, 0.1);
            border-radius: var(--kaiyun-radius-sm);
        }
        .kaiyun-news-date .day {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--kaiyun-accent);
            line-height: 1.2;
        }
        .kaiyun-news-date .month {
            font-size: 0.72rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-news-content h4 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 4px;
        }
        .kaiyun-news-content h4 a {
            color: var(--kaiyun-ink);
        }
        .kaiyun-news-content h4 a:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-news-content p {
            font-size: 0.82rem;
            color: var(--kaiyun-grey);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== 页脚 ========== */
        .kaiyun-footer {
            background: var(--kaiyun-ink);
            color: #B8C7C4;
            padding: 50px 0 24px;
        }
        .kaiyun-footer a {
            color: #B8C7C4;
        }
        .kaiyun-footer a:hover {
            color: #fff;
        }
        .kaiyun-footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .kaiyun-footer-brand .kaiyun-brand-logo {
            width: 34px;
            height: 34px;
            font-size: 0.95rem;
            border-radius: 8px;
        }
        .kaiyun-footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: #94A8A4;
            max-width: 300px;
            margin-bottom: 20px;
        }
        .kaiyun-footer-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .kaiyun-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .kaiyun-footer-links li {
            margin-bottom: 8px;
        }
        .kaiyun-footer-links li a {
            font-size: 0.82rem;
            color: #94A8A4;
            transition: color 0.25s ease;
        }
        .kaiyun-footer-links li a:hover {
            color: #fff;
        }
        .kaiyun-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            margin-top: 32px;
            font-size: 0.75rem;
            color: #7A918C;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }
        .kaiyun-footer-bottom a {
            font-size: 0.75rem;
            color: #7A918C;
        }
        .kaiyun-footer-bottom a:hover {
            color: #fff;
        }
        .kaiyun-back-to-top {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 6px 16px rgba(47, 155, 137, 0.3);
        }
        .kaiyun-back-to-top:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 24px rgba(47, 155, 137, 0.4);
        }
        @media (max-width: 767.98px) {
            .kaiyun-footer {
                padding: 36px 0 18px;
            }
            .kaiyun-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                font-size: 0.7rem;
            }
        }

        /* ========== 场景演示 ========== */
        .kaiyun-scene-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .kaiyun-scene-step {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--kaiyun-shadow-sm);
            transition: all 0.3s ease;
            position: relative;
        }
        .kaiyun-scene-step:hover {
            box-shadow: var(--kaiyun-shadow);
            transform: translateY(-3px);
        }
        .kaiyun-scene-step::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 100%;
            width: 18px;
            height: 2px;
            background: var(--kaiyun-border-strong);
            transform: translateY(-50%);
        }
        .kaiyun-scene-step:last-child::after {
            display: none;
        }
        .kaiyun-scene-step .step-num {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            box-shadow: 0 4px 12px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-scene-step h4 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 6px;
        }
        .kaiyun-scene-step p {
            font-size: 0.8rem;
            color: var(--kaiyun-grey);
            margin-bottom: 0;
            line-height: 1.55;
        }

        @media (max-width: 991.98px) {
            .kaiyun-scene-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .kaiyun-scene-step::after {
                display: none;
            }
        }
        @media (max-width: 575.98px) {
            .kaiyun-scene-steps {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .kaiyun-scene-step {
                padding: 18px 16px;
            }
        }

        /* ========== 更新日志/版本更新 ========== */
        .kaiyun-changelog-item {
            display: flex;
            gap: 16px;
            padding: 20px 0;
            border-bottom: 1px solid var(--kaiyun-border);
        }
        .kaiyun-changelog-item:last-child {
            border-bottom: none;
        }
        .kaiyun-version-badge {
            flex-shrink: 0;
            padding: 5px 14px;
            border-radius: var(--kaiyun-radius-pill);
            background: rgba(47, 155, 137, 0.12);
            color: var(--kaiyun-accent);
            font-size: 0.78rem;
            font-weight: 700;
            height: fit-content;
            white-space: nowrap;
        }
        .kaiyun-changelog-content h5 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 6px;
        }
        .kaiyun-changelog-content p {
            font-size: 0.84rem;
            color: var(--kaiyun-grey);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ========== 热门拼单 ========== */
        .kaiyun-hot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .kaiyun-hot-item {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            padding: 22px 20px;
            box-shadow: var(--kaiyun-shadow-sm);
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all 0.3s ease;
        }
        .kaiyun-hot-item:hover {
            box-shadow: var(--kaiyun-shadow);
            transform: translateY(-3px);
            border-color: var(--kaiyun-border-strong);
        }
        .kaiyun-hot-item img {
            width: 64px;
            height: 64px;
            border-radius: var(--kaiyun-radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .kaiyun-hot-info h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 4px;
        }
        .kaiyun-hot-info p {
            font-size: 0.78rem;
            color: var(--kaiyun-grey);
            margin-bottom: 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .kaiyun-hot-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.72rem;
            color: var(--kaiyun-grey);
        }

        @media (max-width: 991.98px) {
            .kaiyun-hot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .kaiyun-hot-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .kaiyun-hot-item {
                padding: 16px;
            }
        }

        /* ========== 通用工具类 ========== */
        .text-kaiyun-accent {
            color: var(--kaiyun-accent) !important;
        }
        .text-kaiyun-grey {
            color: var(--kaiyun-grey) !important;
        }
        .text-kaiyun-ink {
            color: var(--kaiyun-ink) !important;
        }
        .bg-kaiyun-light {
            background: var(--kaiyun-bg-light) !important;
        }
        .fw-800 {
            font-weight: 800 !important;
        }
        .fw-700 {
            font-weight: 700 !important;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .gap-2 {
            gap: 8px !important;
        }
        .gap-3 {
            gap: 12px !important;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .d-flex-center {
            display: flex;
            align-items: center;
        }

/* roulang page: category2 */
:root {
            --kaiyun-primary: #5F8F8A;
            --kaiyun-primary-dark: #4A7A75;
            --kaiyun-primary-light: #7FAD9F;
            --kaiyun-bg: #F4F8F7;
            --kaiyun-bg-light: #EAF2F0;
            --kaiyun-ink: #1D252C;
            --kaiyun-ink-soft: #2C3841;
            --kaiyun-gold: #E9B267;
            --kaiyun-grey: #6F6F7A;
            --kaiyun-accent: #2F9B89;
            --kaiyun-accent-light: #3DB8A2;
            --kaiyun-gradient: linear-gradient(135deg, #F4F8F7 0%, #CFE3DF 35%, #2F9B89 100%);
            --kaiyun-gradient-btn: linear-gradient(135deg, #7FAD9F 0%, #5F8F8A 45%, #2F9B89 100%);
            --kaiyun-gradient-btn-hover: linear-gradient(135deg, #2F9B89 0%, #5F8F8A 50%, #7FAD9F 100%);
            --kaiyun-border: rgba(95, 143, 138, 0.15);
            --kaiyun-border-strong: rgba(95, 143, 138, 0.35);
            --kaiyun-shadow-sm: 0 4px 14px rgba(29, 37, 44, 0.06);
            --kaiyun-shadow: 0 8px 30px rgba(29, 37, 44, 0.08);
            --kaiyun-shadow-hover: 0 14px 40px rgba(47, 155, 137, 0.18);
            --kaiyun-radius-sm: 12px;
            --kaiyun-radius: 20px;
            --kaiyun-radius-lg: 28px;
            --kaiyun-radius-pill: 999px;
            --kaiyun-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --kaiyun-section-gap: 96px;
            --kaiyun-section-gap-mobile: 56px;
            --kaiyun-container-gutter: 24px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--kaiyun-font);
            background-color: var(--kaiyun-bg);
            color: var(--kaiyun-ink);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            padding-top: 0;
        }

        a {
            color: var(--kaiyun-primary);
            text-decoration: none;
            transition: color 0.25s ease, text-decoration 0.25s ease;
        }

        a:hover {
            color: var(--kaiyun-accent);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(47, 155, 137, 0.4);
            outline-offset: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .kaiyun-container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section-gap {
            padding: var(--kaiyun-section-gap) 0;
        }

        /* ========== 导航 ========== */
        .kaiyun-nav {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--kaiyun-border);
            transition: box-shadow 0.3s ease;
        }

        .kaiyun-nav.scrolled {
            box-shadow: 0 6px 24px rgba(29, 37, 44, 0.10);
        }

        .kaiyun-nav-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .kaiyun-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .kaiyun-brand:hover {
            color: var(--kaiyun-accent);
        }

        .kaiyun-brand-logo {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--kaiyun-gradient-btn);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(47, 155, 137, 0.25);
        }

        .kaiyun-nav-search {
            flex: 1;
            max-width: 360px;
            position: relative;
        }

        .kaiyun-nav-search input {
            width: 100%;
            height: 40px;
            border-radius: var(--kaiyun-radius-pill);
            border: 1px solid var(--kaiyun-border-strong);
            background: var(--kaiyun-bg);
            padding: 0 42px 0 18px;
            font-size: 0.9rem;
            color: var(--kaiyun-ink);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .kaiyun-nav-search input::placeholder {
            color: var(--kaiyun-grey);
        }

        .kaiyun-nav-search input:focus {
            border-color: var(--kaiyun-accent);
            box-shadow: 0 0 0 3px rgba(47, 155, 137, 0.15);
            outline: none;
        }

        .kaiyun-nav-search .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--kaiyun-grey);
            font-size: 0.9rem;
            pointer-events: none;
        }

        .kaiyun-nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .mobile-search-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--kaiyun-border-strong);
            background: var(--kaiyun-bg);
            color: var(--kaiyun-grey);
            font-size: 1rem;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .mobile-search-btn:hover {
            border-color: var(--kaiyun-accent);
            color: var(--kaiyun-accent);
            background: rgba(47, 155, 137, 0.08);
        }

        .kaiyun-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: var(--kaiyun-radius-pill);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 10px 22px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            letter-spacing: 0.3px;
            text-align: center;
            justify-content: center;
        }

        .kaiyun-btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        .kaiyun-btn-primary {
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            box-shadow: 0 4px 14px rgba(47, 155, 137, 0.3);
        }

        .kaiyun-btn-primary:hover {
            background: var(--kaiyun-gradient-btn-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(47, 155, 137, 0.4);
        }

        .kaiyun-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(47, 155, 137, 0.3);
        }

        .kaiyun-btn-outline {
            background: transparent;
            color: var(--kaiyun-accent);
            border: 1.5px solid var(--kaiyun-accent);
        }

        .kaiyun-btn-outline:hover {
            background: rgba(47, 155, 137, 0.08);
            color: var(--kaiyun-accent);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(47, 155, 137, 0.15);
        }

        .kaiyun-nav-tabs-wrap {
            border-top: 1px solid var(--kaiyun-border);
            background: rgba(255, 255, 255, 0.9);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .kaiyun-nav-tabs-wrap::-webkit-scrollbar {
            display: none;
        }

        .kaiyun-nav-tabs {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 0;
            white-space: nowrap;
            min-width: max-content;
        }

        .kaiyun-nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--kaiyun-radius-pill);
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--kaiyun-grey);
            transition: all 0.3s ease;
            position: relative;
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .kaiyun-nav-tab:hover {
            color: var(--kaiyun-accent);
            background: rgba(47, 155, 137, 0.06);
        }

        .kaiyun-nav-tab.active {
            color: #fff;
            background: var(--kaiyun-gradient-btn);
            box-shadow: 0 4px 12px rgba(47, 155, 137, 0.25);
            border-color: transparent;
        }

        .kaiyun-nav-tab.active::after {
            display: none;
        }

        /* ========== 面包屑 ========== */
        .kaiyun-breadcrumb {
            padding: 20px 0;
            font-size: 0.85rem;
            color: var(--kaiyun-grey);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .kaiyun-breadcrumb a {
            color: var(--kaiyun-grey);
            transition: color 0.25s ease;
        }

        .kaiyun-breadcrumb a:hover {
            color: var(--kaiyun-accent);
        }

        .kaiyun-breadcrumb .separator {
            color: var(--kaiyun-border-strong);
            font-size: 0.7rem;
        }

        .kaiyun-breadcrumb .current {
            color: var(--kaiyun-ink);
            font-weight: 600;
        }

        /* ========== 分类页 Banner ========== */
        .kaiyun-category-banner {
            position: relative;
            border-radius: var(--kaiyun-radius-lg);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            margin-bottom: 40px;
        }

        .kaiyun-category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(29, 37, 44, 0.82) 0%, rgba(95, 143, 138, 0.75) 50%, rgba(47, 155, 137, 0.65) 100%);
            z-index: 1;
        }

        .kaiyun-category-banner-content {
            position: relative;
            z-index: 2;
            padding: 48px 52px;
            color: #fff;
            max-width: 700px;
        }

        .kaiyun-category-banner-content h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .kaiyun-category-banner-content p {
            font-size: 1.05rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 0;
            max-width: 560px;
        }

        /* ========== 主体布局 ========== */
        .kaiyun-category-layout {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 32px;
            margin-bottom: 60px;
        }

        /* ========== 更新列表卡片 ========== */
        .kaiyun-update-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--kaiyun-border);
            border-radius: var(--kaiyun-radius);
            padding: 20px;
            margin-bottom: 18px;
            transition: all 0.3s ease;
            box-shadow: var(--kaiyun-shadow-sm);
        }

        .kaiyun-update-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--kaiyun-shadow-hover);
            border-color: var(--kaiyun-border-strong);
        }

        .kaiyun-update-thumb {
            width: 180px;
            min-width: 180px;
            height: 120px;
            border-radius: var(--kaiyun-radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .kaiyun-update-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .kaiyun-update-card:hover .kaiyun-update-thumb img {
            transform: scale(1.05);
        }

        .kaiyun-update-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-width: 0;
        }

        .kaiyun-update-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 6px;
            line-height: 1.4;
            transition: color 0.25s ease;
        }

        .kaiyun-update-card:hover .kaiyun-update-title {
            color: var(--kaiyun-accent);
        }

        .kaiyun-update-desc {
            font-size: 0.88rem;
            color: var(--kaiyun-grey);
            line-height: 1.6;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .kaiyun-update-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .kaiyun-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: var(--kaiyun-radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(47, 155, 137, 0.1);
            color: var(--kaiyun-accent);
            transition: all 0.25s ease;
        }

        .kaiyun-tag:hover {
            background: rgba(47, 155, 137, 0.2);
            color: var(--kaiyun-primary-dark);
        }

        .kaiyun-update-date {
            font-size: 0.8rem;
            color: var(--kaiyun-grey);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .kaiyun-data-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--kaiyun-ink-soft);
            padding: 4px 10px;
            border-radius: var(--kaiyun-radius-pill);
            background: var(--kaiyun-bg-light);
        }

        .kaiyun-data-badge i {
            color: var(--kaiyun-primary);
            font-size: 0.7rem;
        }

        /* ========== 右侧面板 ========== */
        .kaiyun-side-panel {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .kaiyun-side-card {
            background: #fff;
            border: 1px solid var(--kaiyun-border);
            border-radius: var(--kaiyun-radius);
            padding: 24px;
            box-shadow: var(--kaiyun-shadow-sm);
        }

        .kaiyun-side-card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .kaiyun-side-card-title i {
            color: var(--kaiyun-accent);
            font-size: 1.1rem;
        }

        .kaiyun-rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--kaiyun-border);
            transition: all 0.25s ease;
        }

        .kaiyun-rank-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .kaiyun-rank-item:hover {
            padding-left: 6px;
        }

        .kaiyun-rank-number {
            width: 28px;
            height: 28px;
            min-width: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 800;
            background: var(--kaiyun-bg-light);
            color: var(--kaiyun-grey);
        }

        .kaiyun-rank-item:nth-child(1) .kaiyun-rank-number {
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            box-shadow: 0 3px 8px rgba(47, 155, 137, 0.3);
        }

        .kaiyun-rank-item:nth-child(2) .kaiyun-rank-number {
            background: rgba(233, 178, 103, 0.25);
            color: #B8860B;
        }

        .kaiyun-rank-item:nth-child(3) .kaiyun-rank-number {
            background: rgba(111, 111, 122, 0.18);
            color: var(--kaiyun-grey);
        }

        .kaiyun-rank-text {
            flex: 1;
            min-width: 0;
        }

        .kaiyun-rank-name {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--kaiyun-ink);
            line-height: 1.4;
            transition: color 0.25s ease;
        }

        .kaiyun-rank-item:hover .kaiyun-rank-name {
            color: var(--kaiyun-accent);
        }

        .kaiyun-rank-desc {
            font-size: 0.75rem;
            color: var(--kaiyun-grey);
            line-height: 1.4;
        }

        .kaiyun-node-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .kaiyun-node-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 10px 0;
            font-size: 0.85rem;
            color: var(--kaiyun-ink-soft);
            line-height: 1.5;
            border-bottom: 1px dashed var(--kaiyun-border);
        }

        .kaiyun-node-list li:last-child {
            border-bottom: none;
        }

        .kaiyun-node-dot {
            width: 8px;
            height: 8px;
            min-width: 8px;
            border-radius: 50%;
            background: var(--kaiyun-accent);
            margin-top: 7px;
            box-shadow: 0 0 6px rgba(47, 155, 137, 0.4);
        }

        /* ========== 加载更多 ========== */
        .kaiyun-load-more {
            text-align: center;
            margin-top: 10px;
        }

        /* ========== FAQ ========== */
        .kaiyun-faq-section {
            background: #fff;
            border-radius: var(--kaiyun-radius-lg);
            padding: 48px 40px;
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
        }

        .kaiyun-faq-section .section-title {
            text-align: center;
            margin-bottom: 36px;
        }

        .kaiyun-faq-section .section-title h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            margin-bottom: 8px;
        }

        .kaiyun-faq-section .section-title p {
            color: var(--kaiyun-grey);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        .kaiyun-accordion-item {
            border: 1px solid var(--kaiyun-border);
            border-radius: var(--kaiyun-radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
            background: var(--kaiyun-bg-light);
        }

        .kaiyun-accordion-item:hover {
            border-color: var(--kaiyun-border-strong);
        }

        .kaiyun-accordion-item.active {
            border-color: var(--kaiyun-accent);
            background: #fff;
            box-shadow: var(--kaiyun-shadow-sm);
        }

        .kaiyun-accordion-header {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--kaiyun-ink);
            transition: all 0.3s ease;
            user-select: none;
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
        }

        .kaiyun-accordion-header:hover {
            color: var(--kaiyun-accent);
        }

        .kaiyun-accordion-dot {
            width: 8px;
            height: 8px;
            min-width: 8px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            box-shadow: 0 0 6px rgba(47, 155, 137, 0.35);
        }

        .kaiyun-accordion-icon {
            margin-left: auto;
            color: var(--kaiyun-grey);
            transition: transform 0.3s ease;
            font-size: 0.8rem;
        }

        .kaiyun-accordion-item.active .kaiyun-accordion-icon {
            transform: rotate(180deg);
            color: var(--kaiyun-accent);
        }

        .kaiyun-accordion-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .kaiyun-accordion-item.active .kaiyun-accordion-body {
            max-height: 300px;
        }

        .kaiyun-accordion-body-inner {
            padding: 0 20px 18px 40px;
            font-size: 0.88rem;
            color: var(--kaiyun-grey);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .kaiyun-cta {
            position: relative;
            border-radius: var(--kaiyun-radius-lg);
            overflow: hidden;
            background: linear-gradient(135deg, var(--kaiyun-ink) 0%, #2C4847 50%, var(--kaiyun-accent) 100%);
            padding: 56px 48px;
            color: #fff;
            text-align: center;
        }

        .kaiyun-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
            pointer-events: none;
        }

        .kaiyun-cta h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: #fff;
        }

        .kaiyun-cta p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .kaiyun-cta .kaiyun-btn {
            font-size: 1rem;
            padding: 13px 30px;
        }

        .kaiyun-cta .kaiyun-btn-primary {
            background: #fff;
            color: var(--kaiyun-ink);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
        }

        .kaiyun-cta .kaiyun-btn-primary:hover {
            background: var(--kaiyun-bg-light);
            color: var(--kaiyun-ink);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
        }

        .kaiyun-cta .kaiyun-btn-outline {
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .kaiyun-cta .kaiyun-btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* ========== 页脚 ========== */
        .kaiyun-footer {
            background: var(--kaiyun-ink);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            margin-top: 60px;
        }

        .kaiyun-footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .kaiyun-footer-brand:hover {
            color: var(--kaiyun-accent-light);
        }

        .kaiyun-footer-brand .kaiyun-brand-logo {
            background: var(--kaiyun-gradient-btn);
        }

        .kaiyun-footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
        }

        .kaiyun-footer-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .kaiyun-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .kaiyun-footer-links li {
            margin-bottom: 8px;
        }

        .kaiyun-footer-links a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }

        .kaiyun-footer-links a:hover {
            color: var(--kaiyun-accent-light);
        }

        .kaiyun-footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .kaiyun-footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
            margin: 0 4px;
        }

        .kaiyun-footer-bottom a:hover {
            color: var(--kaiyun-accent-light);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .kaiyun-category-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .kaiyun-update-thumb {
                width: 150px;
                min-width: 150px;
                height: 105px;
            }
            .kaiyun-category-banner-content {
                padding: 36px 32px;
            }
            .kaiyun-category-banner-content h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .kaiyun-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-gap {
                padding: var(--kaiyun-section-gap-mobile) 0;
            }
            .kaiyun-nav-top {
                height: 56px;
            }
            .kaiyun-nav-search {
                display: none;
            }
            .mobile-search-btn {
                display: flex;
            }
            .desktop-cta {
                display: none;
            }
            .kaiyun-brand {
                font-size: 1.15rem;
            }
            .kaiyun-brand-logo {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .kaiyun-category-banner {
                min-height: 200px;
                border-radius: var(--kaiyun-radius);
            }
            .kaiyun-category-banner-content {
                padding: 24px 20px;
            }
            .kaiyun-category-banner-content h1 {
                font-size: 1.45rem;
            }
            .kaiyun-category-banner-content p {
                font-size: 0.85rem;
            }
            .kaiyun-update-card {
                flex-direction: column;
                gap: 12px;
                padding: 14px;
            }
            .kaiyun-update-thumb {
                width: 100%;
                min-width: auto;
                height: 160px;
            }
            .kaiyun-update-title {
                font-size: 0.98rem;
            }
            .kaiyun-faq-section {
                padding: 28px 20px;
                border-radius: var(--kaiyun-radius);
            }
            .kaiyun-faq-section .section-title h2 {
                font-size: 1.4rem;
            }
            .kaiyun-cta {
                padding: 36px 22px;
                border-radius: var(--kaiyun-radius);
            }
            .kaiyun-cta h2 {
                font-size: 1.4rem;
            }
            .kaiyun-footer {
                padding: 40px 0 20px;
            }
            .kaiyun-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .kaiyun-category-banner {
                min-height: 170px;
            }
            .kaiyun-category-banner-content {
                padding: 16px 14px;
            }
            .kaiyun-category-banner-content h1 {
                font-size: 1.2rem;
            }
            .kaiyun-category-banner-content p {
                font-size: 0.78rem;
                line-height: 1.5;
            }
            .kaiyun-update-thumb {
                height: 130px;
            }
            .kaiyun-update-meta {
                gap: 8px;
            }
            .kaiyun-data-badge {
                font-size: 0.7rem;
                padding: 3px 8px;
            }
        }

/* roulang page: category1 */
:root {
            --kaiyun-primary: #5F8F8A;
            --kaiyun-primary-dark: #4A7A75;
            --kaiyun-primary-light: #7FAD9F;
            --kaiyun-bg: #F4F8F7;
            --kaiyun-bg-light: #EAF2F0;
            --kaiyun-ink: #1D252C;
            --kaiyun-ink-soft: #2C3841;
            --kaiyun-gold: #E9B267;
            --kaiyun-grey: #6F6F7A;
            --kaiyun-accent: #2F9B89;
            --kaiyun-accent-light: #3DB8A2;
            --kaiyun-gradient: linear-gradient(135deg, #F4F8F7 0%, #CFE3DF 35%, #2F9B89 100%);
            --kaiyun-gradient-btn: linear-gradient(135deg, #7FAD9F 0%, #5F8F8A 45%, #2F9B89 100%);
            --kaiyun-gradient-btn-hover: linear-gradient(135deg, #2F9B89 0%, #5F8F8A 50%, #7FAD9F 100%);
            --kaiyun-border: rgba(95, 143, 138, 0.15);
            --kaiyun-border-strong: rgba(95, 143, 138, 0.35);
            --kaiyun-shadow-sm: 0 4px 14px rgba(29, 37, 44, 0.06);
            --kaiyun-shadow: 0 8px 30px rgba(29, 37, 44, 0.08);
            --kaiyun-shadow-hover: 0 14px 40px rgba(47, 155, 137, 0.18);
            --kaiyun-radius-sm: 12px;
            --kaiyun-radius: 20px;
            --kaiyun-radius-lg: 28px;
            --kaiyun-radius-pill: 999px;
            --kaiyun-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --kaiyun-section-gap: 96px;
            --kaiyun-section-gap-mobile: 56px;
            --kaiyun-container-gutter: 24px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--kaiyun-font);
            background-color: var(--kaiyun-bg);
            color: var(--kaiyun-ink);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            padding-top: 0;
        }

        a {
            color: var(--kaiyun-primary);
            text-decoration: none;
            transition: color 0.25s ease, text-decoration 0.25s ease;
        }
        a:hover {
            color: var(--kaiyun-accent);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(47, 155, 137, 0.4);
            outline-offset: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .kaiyun-container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section-gap {
            padding: var(--kaiyun-section-gap) 0;
        }

        /* ========== 导航 ========== */
        .kaiyun-nav {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--kaiyun-border);
            transition: box-shadow 0.3s ease;
        }
        .kaiyun-nav.scrolled {
            box-shadow: 0 6px 24px rgba(29, 37, 44, 0.10);
        }

        .kaiyun-nav-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .kaiyun-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .kaiyun-brand:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-brand-logo {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--kaiyun-gradient-btn);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(47, 155, 137, 0.25);
        }

        .kaiyun-nav-search {
            flex: 1;
            max-width: 360px;
            position: relative;
        }
        .kaiyun-nav-search input {
            width: 100%;
            height: 40px;
            border-radius: var(--kaiyun-radius-pill);
            border: 1px solid var(--kaiyun-border-strong);
            background: var(--kaiyun-bg);
            padding: 0 42px 0 18px;
            font-size: 0.9rem;
            color: var(--kaiyun-ink);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .kaiyun-nav-search input::placeholder {
            color: var(--kaiyun-grey);
        }
        .kaiyun-nav-search input:focus {
            border-color: var(--kaiyun-accent);
            box-shadow: 0 0 0 3px rgba(47, 155, 137, 0.15);
            outline: none;
        }
        .kaiyun-nav-search .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--kaiyun-grey);
            font-size: 0.9rem;
            pointer-events: none;
        }

        .kaiyun-nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .mobile-search-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--kaiyun-border-strong);
            background: #fff;
            color: var(--kaiyun-ink);
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .mobile-search-btn:hover {
            background: var(--kaiyun-bg-light);
            color: var(--kaiyun-accent);
        }

        .kaiyun-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--kaiyun-radius-pill);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 24px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .kaiyun-btn-primary {
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            box-shadow: 0 4px 14px rgba(47, 155, 137, 0.3);
        }
        .kaiyun-btn-primary:hover {
            background: var(--kaiyun-gradient-btn-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(47, 155, 137, 0.4);
        }
        .kaiyun-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .kaiyun-btn-outline {
            background: transparent;
            border: 1.5px solid var(--kaiyun-accent);
            color: var(--kaiyun-accent);
        }
        .kaiyun-btn-outline:hover {
            background: rgba(47, 155, 137, 0.1);
            color: var(--kaiyun-accent);
            transform: translateY(-2px);
        }
        .kaiyun-btn-lg {
            padding: 14px 32px;
            font-size: 1.05rem;
        }

        .kaiyun-nav-tabs-wrap {
            border-top: 1px solid var(--kaiyun-border);
            background: rgba(255, 255, 255, 0.7);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .kaiyun-nav-tabs-wrap::-webkit-scrollbar {
            display: none;
        }
        .kaiyun-nav-tabs {
            display: flex;
            align-items: center;
            gap: 28px;
            padding: 10px 0;
            min-width: max-content;
        }
        .kaiyun-nav-tab {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--kaiyun-grey);
            padding: 6px 2px;
            position: relative;
            transition: color 0.3s ease;
            white-space: nowrap;
        }
        .kaiyun-nav-tab::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 3px;
            background: var(--kaiyun-gradient-btn);
            border-radius: 3px;
            opacity: 0;
            transform: scaleX(0);
            transform-origin: left;
            transition: all 0.3s ease;
        }
        .kaiyun-nav-tab:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-nav-tab.active {
            color: var(--kaiyun-ink);
            font-weight: 700;
        }
        .kaiyun-nav-tab.active::after {
            opacity: 1;
            transform: scaleX(1);
        }

        /* ========== 面包屑 ========== */
        .kaiyun-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--kaiyun-grey);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .kaiyun-breadcrumb a {
            color: var(--kaiyun-grey);
        }
        .kaiyun-breadcrumb a:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-breadcrumb-sep {
            color: var(--kaiyun-border-strong);
        }

        /* ========== Hero ========== */
        .kaiyun-hero-solutions {
            position: relative;
            background: var(--kaiyun-gradient);
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 72px 0 64px;
            overflow: hidden;
        }
        .kaiyun-hero-solutions::after {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(47, 155, 137, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .kaiyun-hero-solutions::before {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(233, 178, 103, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .kaiyun-hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .kaiyun-hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .kaiyun-progress-ring-wrap {
            display: flex;
            align-items: center;
            gap: 28px;
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(10px);
            border-radius: var(--kaiyun-radius-lg);
            padding: 30px 28px;
            border: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: var(--kaiyun-shadow);
        }
        .kaiyun-progress-ring {
            width: 130px;
            height: 130px;
            border-radius: 50%;
            background: conic-gradient(var(--kaiyun-accent) 0% 84%, rgba(95, 143, 138, 0.15) 84% 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
        }
        .kaiyun-progress-ring-inner {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: #fff;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--kaiyun-ink);
        }
        .kaiyun-progress-ring-inner strong {
            font-size: 1.6rem;
            line-height: 1.2;
            color: var(--kaiyun-accent);
        }
        .kaiyun-progress-ring-inner span {
            font-size: 0.7rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-progress-info {
            flex: 1;
        }
        .kaiyun-progress-info h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--kaiyun-ink);
        }
        .kaiyun-progress-info p {
            font-size: 0.9rem;
            color: var(--kaiyun-ink-soft);
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .kaiyun-progress-bar {
            height: 8px;
            background: rgba(95, 143, 138, 0.15);
            border-radius: var(--kaiyun-radius-pill);
            overflow: hidden;
            margin-bottom: 8px;
        }
        .kaiyun-progress-bar-fill {
            height: 100%;
            background: var(--kaiyun-gradient-btn);
            border-radius: var(--kaiyun-radius-pill);
            width: 84%;
        }
        .kaiyun-progress-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.75rem;
            color: var(--kaiyun-grey);
        }

        .kaiyun-tier-preview {
            display: flex;
            flex-direction: column;
            gap: 12px;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            border-radius: var(--kaiyun-radius);
            padding: 22px 24px;
            border: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: var(--kaiyun-shadow-sm);
        }
        .kaiyun-tier-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 10px 12px;
            border-radius: var(--kaiyun-radius-sm);
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid rgba(95, 143, 138, 0.1);
            transition: all 0.3s ease;
        }
        .kaiyun-tier-item:hover {
            border-color: var(--kaiyun-border-strong);
            background: rgba(255, 255, 255, 0.9);
            transform: translateX(4px);
        }
        .kaiyun-tier-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--kaiyun-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--kaiyun-accent);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .kaiyun-tier-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 2px;
            color: var(--kaiyun-ink);
        }
        .kaiyun-tier-item p {
            font-size: 0.8rem;
            color: var(--kaiyun-grey);
            margin: 0;
            line-height: 1.5;
        }
        .kaiyun-tier-badge {
            margin-left: auto;
            font-size: 0.7rem;
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            padding: 4px 12px;
            border-radius: var(--kaiyun-radius-pill);
            font-weight: 600;
            white-space: nowrap;
        }

        .kaiyun-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--kaiyun-radius-pill);
            padding: 6px 16px;
            font-size: 0.8rem;
            color: var(--kaiyun-accent);
            font-weight: 600;
            margin-bottom: 16px;
        }
        .kaiyun-hero-title {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--kaiyun-ink);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .kaiyun-hero-title span {
            color: var(--kaiyun-accent);
        }
        .kaiyun-hero-sub {
            font-size: 1.05rem;
            color: var(--kaiyun-ink-soft);
            line-height: 1.75;
            margin-bottom: 24px;
            max-width: 520px;
        }
        .kaiyun-hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        /* ========== 更新列表 ========== */
        .kaiyun-update-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            transition: all 0.3s ease;
            display: flex;
            gap: 20px;
            padding: 20px;
            margin-bottom: 16px;
        }
        .kaiyun-update-card:hover {
            box-shadow: var(--kaiyun-shadow-hover);
            transform: translateY(-4px);
            border-color: var(--kaiyun-border-strong);
        }
        .kaiyun-update-thumb {
            width: 120px;
            min-width: 120px;
            height: 90px;
            border-radius: var(--kaiyun-radius-sm);
            overflow: hidden;
            background: var(--kaiyun-bg-light);
        }
        .kaiyun-update-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .kaiyun-update-body {
            flex: 1;
            min-width: 0;
        }
        .kaiyun-update-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--kaiyun-ink);
            line-height: 1.4;
        }
        .kaiyun-update-body h3 a {
            color: var(--kaiyun-ink);
        }
        .kaiyun-update-body h3 a:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-update-desc {
            font-size: 0.85rem;
            color: var(--kaiyun-grey);
            line-height: 1.6;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .kaiyun-update-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.75rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            border-radius: var(--kaiyun-radius-pill);
            font-size: 0.7rem;
            font-weight: 600;
            background: var(--kaiyun-bg-light);
            color: var(--kaiyun-primary-dark);
            letter-spacing: 0.3px;
        }
        .kaiyun-tag-accent {
            background: rgba(47, 155, 137, 0.1);
            color: var(--kaiyun-accent);
        }
        .kaiyun-update-stat {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--kaiyun-grey);
            font-size: 0.75rem;
        }
        .kaiyun-update-stat i {
            color: var(--kaiyun-accent);
            font-size: 0.8rem;
        }

        /* ========== 排行榜 ========== */
        .kaiyun-rank-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            padding: 24px;
            position: sticky;
            top: 140px;
        }
        .kaiyun-rank-title {
            font-size: 1rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .kaiyun-rank-title i {
            color: var(--kaiyun-gold);
        }
        .kaiyun-rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--kaiyun-border);
            transition: all 0.3s ease;
            border-radius: 8px;
            padding-left: 8px;
            padding-right: 8px;
        }
        .kaiyun-rank-item:hover {
            background: var(--kaiyun-bg-light);
        }
        .kaiyun-rank-item:last-child {
            border-bottom: none;
        }
        .kaiyun-rank-num {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
            background: var(--kaiyun-bg-light);
            color: var(--kaiyun-grey);
        }
        .kaiyun-rank-num.top {
            background: var(--kaiyun-gradient-btn);
            color: #fff;
        }
        .kaiyun-rank-body {
            flex: 1;
            min-width: 0;
        }
        .kaiyun-rank-body h4 {
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 2px;
            color: var(--kaiyun-ink);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .kaiyun-rank-body span {
            font-size: 0.72rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-rank-score {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--kaiyun-accent);
            flex-shrink: 0;
        }

        /* ========== 卖点/场景 ========== */
        .kaiyun-scene-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            padding: 24px;
            height: 100%;
            transition: all 0.3s ease;
        }
        .kaiyun-scene-card:hover {
            box-shadow: var(--kaiyun-shadow-hover);
            transform: translateY(-4px);
        }
        .kaiyun-scene-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--kaiyun-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--kaiyun-accent);
            font-size: 1.2rem;
            margin-bottom: 14px;
        }
        .kaiyun-scene-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 8px;
        }
        .kaiyun-scene-card p {
            font-size: 0.85rem;
            color: var(--kaiyun-grey);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== 流程 ========== */
        .kaiyun-process-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .kaiyun-process-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            padding: 20px 22px;
            transition: all 0.3s ease;
        }
        .kaiyun-process-item:hover {
            box-shadow: var(--kaiyun-shadow-hover);
            border-color: var(--kaiyun-border-strong);
        }
        .kaiyun-process-num {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.05rem;
            flex-shrink: 0;
        }
        .kaiyun-process-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 4px;
        }
        .kaiyun-process-body p {
            font-size: 0.85rem;
            color: var(--kaiyun-grey);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .kaiyun-faq-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            padding: 24px;
            margin-bottom: 16px;
            transition: all 0.3s ease;
        }
        .kaiyun-faq-card:hover {
            box-shadow: var(--kaiyun-shadow);
        }
        .kaiyun-faq-q {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            cursor: pointer;
            font-weight: 700;
            color: var(--kaiyun-ink);
            font-size: 1rem;
            transition: color 0.3s ease;
        }
        .kaiyun-faq-q:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-faq-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            flex-shrink: 0;
            margin-top: 7px;
        }
        .kaiyun-faq-a {
            display: none;
            padding-left: 22px;
            margin-top: 10px;
            font-size: 0.9rem;
            color: var(--kaiyun-grey);
            line-height: 1.75;
        }
        .kaiyun-faq-a.active {
            display: block;
        }
        .kaiyun-faq-toggle-icon {
            margin-left: auto;
            color: var(--kaiyun-grey);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            font-size: 0.9rem;
        }
        .kaiyun-faq-card.open .kaiyun-faq-toggle-icon {
            transform: rotate(180deg);
            color: var(--kaiyun-accent);
        }

        /* ========== CTA ========== */
        .kaiyun-cta-band {
            background: var(--kaiyun-gradient);
            border-radius: var(--kaiyun-radius-lg);
            padding: 48px 40px;
            color: var(--kaiyun-ink);
            position: relative;
            overflow: hidden;
        }
        .kaiyun-cta-band::after {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .kaiyun-cta-title {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--kaiyun-ink);
        }
        .kaiyun-cta-desc {
            font-size: 0.95rem;
            color: var(--kaiyun-ink-soft);
            margin-bottom: 24px;
            max-width: 560px;
            line-height: 1.7;
        }

        /* ========== 页脚 ========== */
        .kaiyun-footer {
            background: var(--kaiyun-ink);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .kaiyun-footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .kaiyun-footer-brand:hover {
            color: var(--kaiyun-accent-light);
        }
        .kaiyun-footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 340px;
        }
        .kaiyun-footer-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .kaiyun-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .kaiyun-footer-links li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            transition: color 0.25s ease;
        }
        .kaiyun-footer-links li a:hover {
            color: var(--kaiyun-accent-light);
        }
        .kaiyun-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            margin-top: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .kaiyun-footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.75rem;
        }
        .kaiyun-footer-bottom a:hover {
            color: var(--kaiyun-accent-light);
        }

        .kaiyun-back-top {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        .kaiyun-back-top:hover {
            transform: translateY(-4px);
            box-shadow: var(--kaiyun-shadow-hover);
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 992px) {
            .kaiyun-hero-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .kaiyun-hero-title {
                font-size: 2rem;
            }
            .kaiyun-nav-search {
                max-width: 240px;
            }
            .kaiyun-hero-solutions {
                min-height: auto;
                padding: 56px 0 48px;
            }
        }

        @media (max-width: 768px) {
            .kaiyun-container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section-gap {
                padding: 56px 0;
            }
            .kaiyun-nav-search {
                display: none;
            }
            .mobile-search-btn {
                display: inline-flex;
            }
            .desktop-cta {
                display: none;
            }
            .kaiyun-hero-title {
                font-size: 1.6rem;
            }
            .kaiyun-hero-sub {
                font-size: 0.95rem;
            }
            .kaiyun-update-card {
                flex-direction: column;
                padding: 16px;
            }
            .kaiyun-update-thumb {
                width: 100%;
                min-width: 100%;
                height: 160px;
                border-radius: var(--kaiyun-radius-sm);
            }
            .kaiyun-progress-ring-wrap {
                flex-direction: column;
                text-align: center;
                padding: 24px 20px;
            }
            .kaiyun-cta-band {
                padding: 32px 24px;
            }
            .kaiyun-cta-title {
                font-size: 1.25rem;
            }
            .kaiyun-nav-tabs {
                gap: 20px;
            }
            .kaiyun-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .kaiyun-hero-title {
                font-size: 1.4rem;
            }
            .kaiyun-nav-cta {
                gap: 8px;
            }
            .kaiyun-rank-card {
                position: static;
                margin-top: 20px;
            }
            .kaiyun-hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .kaiyun-btn {
                justify-content: center;
            }
        }

/* roulang page: category4 */
:root {
            --kaiyun-primary: #5F8F8A;
            --kaiyun-primary-dark: #4A7A75;
            --kaiyun-primary-light: #7FAD9F;
            --kaiyun-bg: #F4F8F7;
            --kaiyun-bg-light: #EAF2F0;
            --kaiyun-ink: #1D252C;
            --kaiyun-ink-soft: #2C3841;
            --kaiyun-gold: #E9B267;
            --kaiyun-grey: #6F6F7A;
            --kaiyun-accent: #2F9B89;
            --kaiyun-accent-light: #3DB8A2;
            --kaiyun-gradient: linear-gradient(135deg, #F4F8F7 0%, #CFE3DF 35%, #2F9B89 100%);
            --kaiyun-gradient-btn: linear-gradient(135deg, #7FAD9F 0%, #5F8F8A 45%, #2F9B89 100%);
            --kaiyun-gradient-btn-hover: linear-gradient(135deg, #2F9B89 0%, #5F8F8A 50%, #7FAD9F 100%);
            --kaiyun-border: rgba(95, 143, 138, 0.15);
            --kaiyun-border-strong: rgba(95, 143, 138, 0.35);
            --kaiyun-shadow-sm: 0 4px 14px rgba(29, 37, 44, 0.06);
            --kaiyun-shadow: 0 8px 30px rgba(29, 37, 44, 0.08);
            --kaiyun-shadow-hover: 0 14px 40px rgba(47, 155, 137, 0.18);
            --kaiyun-radius-sm: 12px;
            --kaiyun-radius: 20px;
            --kaiyun-radius-lg: 28px;
            --kaiyun-radius-pill: 999px;
            --kaiyun-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --kaiyun-section-gap: 96px;
            --kaiyun-section-gap-mobile: 56px;
            --kaiyun-container-gutter: 24px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--kaiyun-font);
            background-color: var(--kaiyun-bg);
            color: var(--kaiyun-ink);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            padding-top: 0;
        }
        a {
            color: var(--kaiyun-primary);
            text-decoration: none;
            transition: color 0.25s ease, text-decoration 0.25s ease;
        }
        a:hover {
            color: var(--kaiyun-accent);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(47, 155, 137, 0.4);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .kaiyun-container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        .section-gap {
            padding: var(--kaiyun-section-gap) 0;
        }
        @media (max-width: 768px) {
            .kaiyun-container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section-gap {
                padding: var(--kaiyun-section-gap-mobile) 0;
            }
        }
        /* ========== 导航 ========== */
        .kaiyun-nav {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--kaiyun-border);
            transition: box-shadow 0.3s ease;
        }
        .kaiyun-nav.scrolled {
            box-shadow: 0 6px 24px rgba(29, 37, 44, 0.10);
        }
        .kaiyun-nav-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .kaiyun-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .kaiyun-brand:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-brand-logo {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--kaiyun-gradient-btn);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-nav-search {
            flex: 1;
            max-width: 360px;
            position: relative;
        }
        .kaiyun-nav-search input {
            width: 100%;
            height: 40px;
            border-radius: var(--kaiyun-radius-pill);
            border: 1px solid var(--kaiyun-border-strong);
            background: var(--kaiyun-bg);
            padding: 0 42px 0 18px;
            font-size: 0.9rem;
            color: var(--kaiyun-ink);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .kaiyun-nav-search input::placeholder {
            color: var(--kaiyun-grey);
        }
        .kaiyun-nav-search input:focus {
            border-color: var(--kaiyun-accent);
            box-shadow: 0 0 0 3px rgba(47, 155, 137, 0.15);
            outline: none;
        }
        .kaiyun-nav-search .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--kaiyun-grey);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .kaiyun-nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .kaiyun-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--kaiyun-radius-pill);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 11px 24px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
            letter-spacing: 0.3px;
            line-height: 1.5;
        }
        .kaiyun-btn-primary {
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            box-shadow: 0 6px 18px rgba(47, 155, 137, 0.28);
        }
        .kaiyun-btn-primary:hover {
            background: var(--kaiyun-gradient-btn-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(47, 155, 137, 0.36);
        }
        .kaiyun-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(47, 155, 137, 0.22);
        }
        .kaiyun-btn-outline {
            background: transparent;
            border: 1.5px solid var(--kaiyun-accent);
            color: var(--kaiyun-accent);
        }
        .kaiyun-btn-outline:hover {
            background: rgba(47, 155, 137, 0.1);
            color: var(--kaiyun-accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(47, 155, 137, 0.16);
        }
        .kaiyun-btn-outline:active {
            transform: translateY(0);
        }
        .kaiyun-btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .kaiyun-btn-lg {
            padding: 14px 32px;
            font-size: 1.05rem;
        }
        .mobile-search-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--kaiyun-border-strong);
            background: var(--kaiyun-bg);
            color: var(--kaiyun-ink);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }
        .mobile-search-btn:hover {
            background: var(--kaiyun-bg-light);
            border-color: var(--kaiyun-accent);
            color: var(--kaiyun-accent);
        }
        .kaiyun-nav-tabs-wrap {
            border-top: 1px solid var(--kaiyun-border);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .kaiyun-nav-tabs-wrap::-webkit-scrollbar {
            display: none;
        }
        .kaiyun-nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 48px;
            min-width: max-content;
            padding: 0 4px;
        }
        .kaiyun-nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0 18px;
            height: 100%;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--kaiyun-grey);
            white-space: nowrap;
            position: relative;
            transition: color 0.3s ease, background 0.3s ease;
            border-bottom: 3px solid transparent;
            text-decoration: none;
        }
        .kaiyun-nav-tab:hover {
            color: var(--kaiyun-accent);
            background: rgba(47, 155, 137, 0.06);
        }
        .kaiyun-nav-tab.active {
            color: var(--kaiyun-accent);
            font-weight: 700;
            border-bottom-color: var(--kaiyun-accent);
        }
        @media (max-width: 768px) {
            .kaiyun-nav-top {
                height: 56px;
                gap: 8px;
            }
            .kaiyun-brand {
                font-size: 1.15rem;
                gap: 7px;
            }
            .kaiyun-brand-logo {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .kaiyun-nav-search {
                display: none;
            }
            .mobile-search-btn {
                display: inline-flex;
            }
            .desktop-cta {
                display: none;
            }
            .kaiyun-nav-tabs {
                height: 44px;
                gap: 2px;
            }
            .kaiyun-nav-tab {
                padding: 0 14px;
                font-size: 0.85rem;
            }
        }
        /* ========== 面包屑 ========== */
        .kaiyun-breadcrumb {
            padding: 20px 0 0;
            font-size: 0.88rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-breadcrumb a {
            color: var(--kaiyun-grey);
            transition: color 0.25s ease;
        }
        .kaiyun-breadcrumb a:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-breadcrumb .sep {
            margin: 0 8px;
            color: rgba(111, 111, 122, 0.5);
        }
        .kaiyun-breadcrumb .current {
            color: var(--kaiyun-accent);
            font-weight: 600;
        }
        /* ========== 分类 Hero ========== */
        .kaiyun-cat-hero {
            position: relative;
            padding: 52px 0 40px;
            overflow: hidden;
        }
        .kaiyun-cat-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .kaiyun-cat-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(244, 248, 247, 0.96) 0%, rgba(207, 227, 223, 0.82) 45%, rgba(47, 155, 137, 0.72) 100%);
            z-index: 1;
        }
        .kaiyun-cat-hero-content {
            position: relative;
            z-index: 2;
        }
        .kaiyun-cat-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--kaiyun-ink);
            margin-bottom: 14px;
            letter-spacing: -0.2px;
        }
        .kaiyun-cat-hero .subtitle {
            font-size: 1.05rem;
            color: var(--kaiyun-ink-soft);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .kaiyun-cat-hero .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .kaiyun-badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--kaiyun-radius-pill);
            background: rgba(255, 255, 255, 0.75);
            border: 1px solid var(--kaiyun-border-strong);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--kaiyun-ink-soft);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }
        .kaiyun-badge-pill i {
            color: var(--kaiyun-accent);
        }
        @media (max-width: 768px) {
            .kaiyun-cat-hero {
                padding: 36px 0 28px;
            }
            .kaiyun-cat-hero h1 {
                font-size: 1.9rem;
                line-height: 1.3;
            }
            .kaiyun-cat-hero .subtitle {
                font-size: 0.95rem;
                line-height: 1.7;
            }
            .kaiyun-cat-hero .hero-badges {
                gap: 6px;
                margin-top: 14px;
            }
            .kaiyun-badge-pill {
                font-size: 0.74rem;
                padding: 5px 12px;
            }
        }
        /* ========== 主体布局 ========== */
        .kaiyun-cat-layout {
            padding: 40px 0 72px;
        }
        .kaiyun-update-list {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }
        .kaiyun-update-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow);
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            padding: 16px;
        }
        .kaiyun-update-card:hover {
            box-shadow: var(--kaiyun-shadow-hover);
            transform: translateY(-4px);
            border-color: var(--kaiyun-border-strong);
        }
        .kaiyun-update-thumb {
            flex-shrink: 0;
            width: 190px;
            border-radius: var(--kaiyun-radius-sm);
            overflow: hidden;
            background: var(--kaiyun-bg-light);
            aspect-ratio: 16 / 10;
        }
        .kaiyun-update-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .kaiyun-update-card:hover .kaiyun-update-thumb img {
            transform: scale(1.04);
        }
        .kaiyun-update-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }
        .kaiyun-update-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
        }
        .kaiyun-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--kaiyun-radius-pill);
            background: rgba(47, 155, 137, 0.1);
            color: var(--kaiyun-accent);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .kaiyun-tag-light {
            background: rgba(233, 178, 103, 0.15);
            color: #B87D2A;
        }
        .kaiyun-update-date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-update-title {
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .kaiyun-update-title a {
            color: var(--kaiyun-ink);
        }
        .kaiyun-update-title a:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-update-desc {
            font-size: 0.92rem;
            color: var(--kaiyun-ink-soft);
            line-height: 1.75;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .kaiyun-update-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: auto;
            padding-top: 8px;
            border-top: 1px dashed var(--kaiyun-border);
        }
        .kaiyun-stat-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.8rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-stat-item i {
            color: var(--kaiyun-accent);
            font-size: 0.75rem;
        }
        .kaiyun-stat-item strong {
            color: var(--kaiyun-ink);
            font-weight: 700;
        }
        @media (max-width: 768px) {
            .kaiyun-update-card {
                flex-direction: column;
                gap: 12px;
                padding: 12px;
            }
            .kaiyun-update-thumb {
                width: 100%;
                aspect-ratio: 16 / 9;
            }
            .kaiyun-update-title {
                font-size: 1.05rem;
            }
            .kaiyun-update-desc {
                font-size: 0.87rem;
                -webkit-line-clamp: 3;
            }
            .kaiyun-update-meta {
                gap: 6px;
            }
            .kaiyun-update-stats {
                gap: 10px;
            }
        }
        /* ========== 右侧栏 ========== */
        .kaiyun-sidebar {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }
        .kaiyun-sidebar-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow);
            padding: 22px;
        }
        .kaiyun-sidebar-title {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .kaiyun-sidebar-title i {
            color: var(--kaiyun-accent);
            font-size: 1rem;
        }
        .kaiyun-rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .kaiyun-rank-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--kaiyun-radius-sm);
            background: var(--kaiyun-bg);
            transition: background 0.3s ease, transform 0.3s ease;
            cursor: default;
        }
        .kaiyun-rank-item:hover {
            background: var(--kaiyun-bg-light);
            transform: translateX(2px);
        }
        .kaiyun-rank-num {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.8rem;
            flex-shrink: 0;
            background: rgba(95, 143, 138, 0.12);
            color: var(--kaiyun-primary);
        }
        .kaiyun-rank-item:nth-child(1) .kaiyun-rank-num {
            background: var(--kaiyun-gold);
            color: #fff;
        }
        .kaiyun-rank-item:nth-child(2) .kaiyun-rank-num {
            background: #B8C4C2;
            color: #fff;
        }
        .kaiyun-rank-item:nth-child(3) .kaiyun-rank-num {
            background: #D9A46A;
            color: #fff;
        }
        .kaiyun-rank-text {
            flex: 1;
            min-width: 0;
            font-size: 0.85rem;
            color: var(--kaiyun-ink-soft);
            line-height: 1.5;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .kaiyun-rank-count {
            font-size: 0.75rem;
            color: var(--kaiyun-grey);
            white-space: nowrap;
            flex-shrink: 0;
        }
        /* 时间线 */
        .kaiyun-timeline {
            list-style: none;
            padding: 0;
            margin: 0;
            position: relative;
        }
        .kaiyun-timeline::before {
            content: '';
            position: absolute;
            left: 7px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: var(--kaiyun-border-strong);
            border-radius: 2px;
        }
        .kaiyun-timeline-item {
            position: relative;
            padding-left: 28px;
            padding-bottom: 16px;
        }
        .kaiyun-timeline-item:last-child {
            padding-bottom: 0;
        }
        .kaiyun-timeline-dot {
            position: absolute;
            left: 0;
            top: 4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--kaiyun-accent);
            box-shadow: 0 2px 6px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-timeline-item.completed .kaiyun-timeline-dot {
            background: var(--kaiyun-accent);
        }
        .kaiyun-timeline-date {
            font-size: 0.75rem;
            color: var(--kaiyun-grey);
            display: block;
            margin-bottom: 2px;
        }
        .kaiyun-timeline-text {
            font-size: 0.85rem;
            color: var(--kaiyun-ink-soft);
            line-height: 1.55;
        }
        .kaiyun-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .kaiyun-tag-cloud .kaiyun-tag {
            font-size: 0.78rem;
            cursor: pointer;
            transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
        }
        .kaiyun-tag-cloud .kaiyun-tag:hover {
            background: var(--kaiyun-accent);
            color: #fff;
            transform: translateY(-1px);
        }
        @media (max-width: 992px) {
            .kaiyun-sidebar {
                margin-top: 28px;
            }
        }
        /* ========== 项目聚焦 ========== */
        .kaiyun-focus-section {
            background: var(--kaiyun-bg-light);
            padding: 68px 0;
        }
        .kaiyun-focus-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .kaiyun-focus-card {
            background: #fff;
            border-radius: var(--kaiyun-radius-lg);
            border: 1px solid var(--kaiyun-border);
            overflow: hidden;
            box-shadow: var(--kaiyun-shadow);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .kaiyun-focus-card:hover {
            box-shadow: var(--kaiyun-shadow-hover);
            transform: translateY(-4px);
        }
        .kaiyun-focus-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--kaiyun-bg-light);
        }
        .kaiyun-focus-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .kaiyun-focus-card:hover .kaiyun-focus-img img {
            transform: scale(1.05);
        }
        .kaiyun-focus-body {
            padding: 22px 24px 26px;
        }
        .kaiyun-focus-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 10px;
            line-height: 1.45;
        }
        .kaiyun-focus-body p {
            font-size: 0.91rem;
            color: var(--kaiyun-ink-soft);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .kaiyun-focus-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-focus-meta i {
            color: var(--kaiyun-accent);
            margin-right: 4px;
        }
        @media (max-width: 768px) {
            .kaiyun-focus-section {
                padding: 48px 0;
            }
            .kaiyun-focus-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .kaiyun-focus-body {
                padding: 18px 18px 22px;
            }
        }
        /* ========== 数据成果 ========== */
        .kaiyun-data-section {
            padding: 68px 0;
        }
        .kaiyun-section-head {
            margin-bottom: 36px;
        }
        .kaiyun-section-head h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .kaiyun-section-head p {
            font-size: 0.98rem;
            color: var(--kaiyun-grey);
            max-width: 620px;
            line-height: 1.75;
            margin-bottom: 0;
        }
        .kaiyun-data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .kaiyun-data-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow);
            padding: 26px 22px;
            text-align: center;
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
        }
        .kaiyun-data-card:hover {
            box-shadow: var(--kaiyun-shadow-hover);
            transform: translateY(-4px);
            border-color: var(--kaiyun-border-strong);
        }
        .kaiyun-data-number {
            font-size: 2.2rem;
            font-weight: 800;
            background: var(--kaiyun-gradient-btn);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .kaiyun-data-label {
            font-size: 0.85rem;
            color: var(--kaiyun-grey);
            font-weight: 500;
        }
        @media (max-width: 992px) {
            .kaiyun-data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 576px) {
            .kaiyun-data-section {
                padding: 48px 0;
            }
            .kaiyun-section-head h2 {
                font-size: 1.45rem;
            }
            .kaiyun-data-number {
                font-size: 1.7rem;
            }
            .kaiyun-data-card {
                padding: 20px 16px;
            }
        }
        /* ========== FAQ ========== */
        .kaiyun-faq-section {
            background: var(--kaiyun-bg-light);
            padding: 68px 0;
        }
        .kaiyun-faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .kaiyun-faq-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .kaiyun-faq-card.active {
            border-color: var(--kaiyun-border-strong);
            box-shadow: var(--kaiyun-shadow);
        }
        .kaiyun-faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            user-select: none;
            transition: color 0.3s ease;
        }
        .kaiyun-faq-question:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-faq-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            flex-shrink: 0;
            box-shadow: 0 2px 6px rgba(47, 155, 137, 0.3);
        }
        .kaiyun-faq-icon {
            margin-left: auto;
            color: var(--kaiyun-accent);
            font-size: 0.9rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .kaiyun-faq-card.active .kaiyun-faq-icon {
            transform: rotate(180deg);
        }
        .kaiyun-faq-answer {
            padding: 0 22px 20px 44px;
            font-size: 0.92rem;
            color: var(--kaiyun-ink-soft);
            line-height: 1.8;
            display: none;
        }
        .kaiyun-faq-card.active .kaiyun-faq-answer {
            display: block;
        }
        @media (max-width: 768px) {
            .kaiyun-faq-section {
                padding: 48px 0;
            }
            .kaiyun-faq-question {
                padding: 15px 16px;
                font-size: 0.92rem;
                gap: 8px;
            }
            .kaiyun-faq-answer {
                padding: 0 16px 16px 36px;
                font-size: 0.85rem;
                line-height: 1.7;
            }
        }
        /* ========== CTA ========== */
        .kaiyun-cta-section {
            padding: 64px 0;
        }
        .kaiyun-cta-box {
            position: relative;
            border-radius: var(--kaiyun-radius-lg);
            background: var(--kaiyun-gradient);
            padding: 52px 44px;
            overflow: hidden;
            text-align: center;
            box-shadow: 0 18px 50px rgba(47, 155, 137, 0.2);
        }
        .kaiyun-cta-box::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            pointer-events: none;
        }
        .kaiyun-cta-box::before {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            pointer-events: none;
        }
        .kaiyun-cta-content {
            position: relative;
            z-index: 2;
        }
        .kaiyun-cta-content h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .kaiyun-cta-content p {
            font-size: 1rem;
            color: var(--kaiyun-ink-soft);
            max-width: 560px;
            margin: 0 auto 26px;
            line-height: 1.8;
        }
        .kaiyun-cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        @media (max-width: 768px) {
            .kaiyun-cta-section {
                padding: 48px 0;
            }
            .kaiyun-cta-box {
                padding: 36px 22px;
                border-radius: var(--kaiyun-radius);
            }
            .kaiyun-cta-content h2 {
                font-size: 1.45rem;
            }
            .kaiyun-cta-content p {
                font-size: 0.9rem;
            }
            .kaiyun-cta-actions {
                flex-direction: column;
                align-items: center;
            }
        }
        /* ========== 页脚 ========== */
        .kaiyun-footer {
            background: var(--kaiyun-ink);
            color: rgba(244, 248, 247, 0.75);
            padding: 56px 0 26px;
            margin-top: 0;
        }
        .kaiyun-footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }
        .kaiyun-footer-brand:hover {
            color: #fff;
        }
        .kaiyun-footer-brand .kaiyun-brand-logo {
            background: var(--kaiyun-gradient-btn);
        }
        .kaiyun-footer-desc {
            font-size: 0.87rem;
            line-height: 1.75;
            color: rgba(244, 248, 247, 0.62);
            max-width: 340px;
            margin-bottom: 0;
        }
        .kaiyun-footer-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .kaiyun-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .kaiyun-footer-links a {
            color: rgba(244, 248, 247, 0.62);
            font-size: 0.87rem;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }
        .kaiyun-footer-links a:hover {
            color: var(--kaiyun-accent-light);
            padding-left: 4px;
        }
        .kaiyun-footer-bottom {
            margin-top: 40px;
            padding-top: 22px;
            border-top: 1px solid rgba(244, 248, 247, 0.1);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: rgba(244, 248, 247, 0.5);
        }
        .kaiyun-footer-bottom a {
            color: rgba(244, 248, 247, 0.6);
            transition: color 0.25s ease;
        }
        .kaiyun-footer-bottom a:hover {
            color: var(--kaiyun-accent-light);
        }
        .kaiyun-back-top {
            position: fixed;
            bottom: 28px;
            right: 28px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            cursor: pointer;
            box-shadow: 0 8px 24px rgba(47, 155, 137, 0.35);
            transition: all 0.3s ease;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
        }
        .kaiyun-back-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .kaiyun-back-top:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(47, 155, 137, 0.45);
        }
        @media (max-width: 768px) {
            .kaiyun-footer {
                padding: 40px 0 20px;
            }
            .kaiyun-footer-desc {
                font-size: 0.8rem;
            }
            .kaiyun-footer-title {
                font-size: 0.88rem;
                margin-bottom: 10px;
            }
            .kaiyun-footer-links a {
                font-size: 0.8rem;
            }
            .kaiyun-footer-bottom {
                flex-direction: column;
                text-align: center;
                font-size: 0.72rem;
                gap: 8px;
            }
            .kaiyun-footer-bottom > div:first-child {
                display: flex;
                flex-direction: column;
                gap: 4px;
                align-items: center;
            }
            .kaiyun-footer-bottom > div:first-child span {
                margin-left: 0 !important;
            }
            .kaiyun-back-top {
                bottom: 18px;
                right: 18px;
                width: 40px;
                height: 40px;
                font-size: 0.9rem;
            }
        }
        .kaiyun-section-title-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }
        .kaiyun-section-title-wrap h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            margin-bottom: 0;
            line-height: 1.35;
        }
        .kaiyun-section-title-wrap .kaiyun-btn {
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .kaiyun-section-title-wrap h2 {
                font-size: 1.45rem;
            }
            .kaiyun-section-title-wrap {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

/* roulang page: category3 */
:root {
            --kaiyun-primary: #5F8F8A;
            --kaiyun-primary-dark: #4A7A75;
            --kaiyun-primary-light: #7FAD9F;
            --kaiyun-bg: #F4F8F7;
            --kaiyun-bg-light: #EAF2F0;
            --kaiyun-ink: #1D252C;
            --kaiyun-ink-soft: #2C3841;
            --kaiyun-gold: #E9B267;
            --kaiyun-grey: #6F6F7A;
            --kaiyun-accent: #2F9B89;
            --kaiyun-accent-light: #3DB8A2;
            --kaiyun-gradient: linear-gradient(135deg, #F4F8F7 0%, #CFE3DF 35%, #2F9B89 100%);
            --kaiyun-gradient-btn: linear-gradient(135deg, #7FAD9F 0%, #5F8F8A 45%, #2F9B89 100%);
            --kaiyun-gradient-btn-hover: linear-gradient(135deg, #2F9B89 0%, #5F8F8A 50%, #7FAD9F 100%);
            --kaiyun-border: rgba(95, 143, 138, 0.15);
            --kaiyun-border-strong: rgba(95, 143, 138, 0.35);
            --kaiyun-shadow-sm: 0 4px 14px rgba(29, 37, 44, 0.06);
            --kaiyun-shadow: 0 8px 30px rgba(29, 37, 44, 0.08);
            --kaiyun-shadow-hover: 0 14px 40px rgba(47, 155, 137, 0.18);
            --kaiyun-radius-sm: 12px;
            --kaiyun-radius: 20px;
            --kaiyun-radius-lg: 28px;
            --kaiyun-radius-pill: 999px;
            --kaiyun-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --kaiyun-section-gap: 96px;
            --kaiyun-section-gap-mobile: 56px;
            --kaiyun-container-gutter: 24px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--kaiyun-font);
            background-color: var(--kaiyun-bg);
            color: var(--kaiyun-ink);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            padding-top: 0;
        }
        a {
            color: var(--kaiyun-primary);
            text-decoration: none;
            transition: color 0.25s ease, text-decoration 0.25s ease;
        }
        a:hover {
            color: var(--kaiyun-accent);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(47, 155, 137, 0.4);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .kaiyun-container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        .section-gap {
            padding: var(--kaiyun-section-gap) 0;
        }

        /* ========== 导航 ========== */
        .kaiyun-nav {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--kaiyun-border);
            transition: box-shadow 0.3s ease;
        }
        .kaiyun-nav.scrolled {
            box-shadow: 0 6px 24px rgba(29, 37, 44, 0.10);
        }
        .kaiyun-nav-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .kaiyun-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .kaiyun-brand:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-brand-logo {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--kaiyun-gradient-btn);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-nav-search {
            flex: 1;
            max-width: 360px;
            position: relative;
        }
        .kaiyun-nav-search input {
            width: 100%;
            height: 40px;
            border-radius: var(--kaiyun-radius-pill);
            border: 1px solid var(--kaiyun-border-strong);
            background: var(--kaiyun-bg);
            padding: 0 42px 0 18px;
            font-size: 0.9rem;
            color: var(--kaiyun-ink);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .kaiyun-nav-search input::placeholder {
            color: var(--kaiyun-grey);
        }
        .kaiyun-nav-search input:focus {
            border-color: var(--kaiyun-accent);
            box-shadow: 0 0 0 3px rgba(47, 155, 137, 0.15);
            outline: none;
        }
        .kaiyun-nav-search .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--kaiyun-grey);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .kaiyun-nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-search-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--kaiyun-border-strong);
            background: var(--kaiyun-bg);
            color: var(--kaiyun-ink-soft);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1rem;
            transition: all 0.25s ease;
        }
        .mobile-search-btn:hover {
            background: var(--kaiyun-bg-light);
            color: var(--kaiyun-accent);
        }
        .kaiyun-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            border-radius: var(--kaiyun-radius-pill);
            padding: 10px 22px;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
        }
        .kaiyun-btn-primary {
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            box-shadow: 0 6px 18px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-btn-primary:hover {
            background: var(--kaiyun-gradient-btn-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(47, 155, 137, 0.35);
        }
        .kaiyun-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-btn-outline {
            background: transparent;
            color: var(--kaiyun-primary);
            border: 1px solid var(--kaiyun-border-strong);
        }
        .kaiyun-btn-outline:hover {
            background: rgba(47, 155, 137, 0.08);
            border-color: var(--kaiyun-accent);
            color: var(--kaiyun-accent);
            transform: translateY(-2px);
        }
        .kaiyun-btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
        }
        .kaiyun-btn-lg {
            padding: 14px 32px;
            font-size: 1.05rem;
        }
        .kaiyun-nav-tabs-wrap {
            border-top: 1px solid var(--kaiyun-border);
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .kaiyun-nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 8px 0;
        }
        .kaiyun-nav-tabs::-webkit-scrollbar {
            display: none;
        }
        .kaiyun-nav-tab {
            flex-shrink: 0;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--kaiyun-grey);
            padding: 8px 16px;
            border-radius: var(--kaiyun-radius-pill);
            position: relative;
            transition: all 0.3s ease;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .kaiyun-nav-tab:hover {
            color: var(--kaiyun-accent);
            background: rgba(47, 155, 137, 0.06);
        }
        .kaiyun-nav-tab.active {
            color: #fff;
            background: var(--kaiyun-gradient-btn);
            box-shadow: 0 4px 12px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-nav-tab.active:hover {
            color: #fff;
            background: var(--kaiyun-gradient-btn-hover);
        }

        /* ========== 面包屑 ========== */
        .kaiyun-breadcrumb {
            padding: 24px 0 0;
            font-size: 0.85rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-breadcrumb a {
            color: var(--kaiyun-grey);
            transition: color 0.25s ease;
        }
        .kaiyun-breadcrumb a:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-breadcrumb .separator {
            margin: 0 8px;
            color: var(--kaiyun-border-strong);
        }
        .kaiyun-breadcrumb .current {
            color: var(--kaiyun-ink);
            font-weight: 600;
        }

        /* ========== 内页Banner ========== */
        .kaiyun-cat-banner {
            position: relative;
            border-radius: var(--kaiyun-radius-lg);
            overflow: hidden;
            margin-top: 20px;
            margin-bottom: 40px;
            background: var(--kaiyun-ink);
            min-height: 300px;
            display: flex;
            align-items: center;
        }
        .kaiyun-cat-banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 1;
        }
        .kaiyun-cat-banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(29, 37, 44, 0.88) 0%, rgba(47, 155, 137, 0.72) 55%, rgba(244, 248, 247, 0.25) 100%);
            z-index: 2;
        }
        .kaiyun-cat-banner-content {
            position: relative;
            z-index: 3;
            padding: 48px 40px;
            max-width: 680px;
        }
        .kaiyun-cat-banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--kaiyun-radius-pill);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            backdrop-filter: blur(8px);
        }
        .kaiyun-cat-banner-content h1 {
            color: #fff;
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .kaiyun-cat-banner-content p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 1.02rem;
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 560px;
        }
        .kaiyun-cat-banner-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 24px;
        }
        .kaiyun-cat-banner-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-size: 0.9rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--kaiyun-radius-pill);
            padding: 6px 16px;
            backdrop-filter: blur(8px);
        }
        .kaiyun-cat-banner-stat i {
            color: var(--kaiyun-gold);
            font-size: 0.85rem;
        }

        /* ========== 分类页主体布局 ========== */
        .kaiyun-cat-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            align-items: start;
        }
        .kaiyun-cat-main {
            min-width: 0;
        }
        .kaiyun-cat-sidebar {
            position: sticky;
            top: 140px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        /* 内容卡片列表 */
        .kaiyun-report-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .kaiyun-report-card {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 20px;
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            padding: 18px;
            transition: all 0.35s ease;
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }
        .kaiyun-report-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--kaiyun-shadow-hover);
            border-color: var(--kaiyun-border-strong);
            color: inherit;
        }
        .kaiyun-report-card-img {
            border-radius: var(--kaiyun-radius-sm);
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--kaiyun-bg-light);
            flex-shrink: 0;
        }
        .kaiyun-report-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .kaiyun-report-card:hover .kaiyun-report-card-img img {
            transform: scale(1.04);
        }
        .kaiyun-report-card-body {
            display: flex;
            flex-direction: column;
            min-width: 0;
        }
        .kaiyun-report-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 8px;
        }
        .kaiyun-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--kaiyun-radius-pill);
            background: var(--kaiyun-bg-light);
            color: var(--kaiyun-primary);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .kaiyun-tag-accent {
            background: rgba(47, 155, 137, 0.1);
            color: var(--kaiyun-accent);
        }
        .kaiyun-tag-gold {
            background: rgba(233, 178, 103, 0.12);
            color: #b8860b;
        }
        .kaiyun-report-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            line-height: 1.45;
            margin-bottom: 8px;
            transition: color 0.3s ease;
        }
        .kaiyun-report-card:hover .kaiyun-report-card-title {
            color: var(--kaiyun-accent);
        }
        .kaiyun-report-card-desc {
            font-size: 0.88rem;
            color: var(--kaiyun-grey);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .kaiyun-report-card-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 10px;
            font-size: 0.78rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-report-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .kaiyun-report-card-meta i {
            font-size: 0.72rem;
            color: var(--kaiyun-primary);
        }
        .kaiyun-data-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--kaiyun-accent);
            background: rgba(47, 155, 137, 0.08);
            border-radius: var(--kaiyun-radius-pill);
            padding: 4px 12px;
        }
        .kaiyun-data-badge i {
            font-size: 0.7rem;
        }

        /* 侧边栏 */
        .kaiyun-sidebar-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            padding: 24px;
        }
        .kaiyun-sidebar-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .kaiyun-sidebar-title i {
            color: var(--kaiyun-accent);
            font-size: 0.9rem;
        }
        .kaiyun-rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .kaiyun-rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: var(--kaiyun-radius-sm);
            background: var(--kaiyun-bg);
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .kaiyun-rank-item:hover {
            background: var(--kaiyun-bg-light);
            transform: translateX(4px);
        }
        .kaiyun-rank-num {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 800;
            flex-shrink: 0;
            background: var(--kaiyun-gradient-btn);
            color: #fff;
        }
        .kaiyun-rank-num.top1 {
            background: linear-gradient(135deg, #E9B267, #d4943a);
        }
        .kaiyun-rank-num.top2 {
            background: linear-gradient(135deg, #b8c4c2, #7FAD9F);
        }
        .kaiyun-rank-num.top3 {
            background: linear-gradient(135deg, #c98a6d, #a8654a);
        }
        .kaiyun-rank-info {
            flex: 1;
            min-width: 0;
        }
        .kaiyun-rank-info strong {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--kaiyun-ink);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .kaiyun-rank-info span {
            font-size: 0.72rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-sidebar-note {
            font-size: 0.8rem;
            color: var(--kaiyun-grey);
            line-height: 1.7;
            margin-top: 14px;
            padding: 12px 14px;
            background: var(--kaiyun-bg);
            border-radius: var(--kaiyun-radius-sm);
            border-left: 3px solid var(--kaiyun-accent);
        }
        .kaiyun-sidebar-cta {
            background: var(--kaiyun-gradient);
            border-color: transparent;
            text-align: center;
        }
        .kaiyun-sidebar-cta .kaiyun-sidebar-title {
            color: var(--kaiyun-ink);
            justify-content: center;
        }
        .kaiyun-sidebar-cta p {
            font-size: 0.85rem;
            color: var(--kaiyun-ink-soft);
            line-height: 1.7;
        }

        /* ========== 数据摘要板块 ========== */
        .kaiyun-insight-strip {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            padding: 28px 32px;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .kaiyun-insight-strip-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--kaiyun-gradient-btn);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            flex-shrink: 0;
            box-shadow: 0 6px 16px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-insight-strip-text {
            flex: 1;
            min-width: 200px;
        }
        .kaiyun-insight-strip-text strong {
            display: block;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 4px;
        }
        .kaiyun-insight-strip-text p {
            font-size: 0.88rem;
            color: var(--kaiyun-grey);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .kaiyun-insight-strip-btn {
            flex-shrink: 0;
        }

        /* ========== 分页 ========== */
        .kaiyun-pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .kaiyun-pagination-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--kaiyun-border);
            background: #fff;
            color: var(--kaiyun-ink-soft);
            font-size: 0.88rem;
            font-weight: 600;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .kaiyun-pagination-btn:hover {
            border-color: var(--kaiyun-accent);
            color: var(--kaiyun-accent);
            box-shadow: var(--kaiyun-shadow-sm);
        }
        .kaiyun-pagination-btn.active {
            background: var(--kaiyun-gradient-btn);
            border-color: transparent;
            color: #fff;
            box-shadow: 0 6px 16px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-pagination-btn.more {
            width: auto;
            padding: 0 20px;
            gap: 6px;
        }

        /* ========== FAQ ========== */
        .kaiyun-faq-section {
            padding: 64px 0;
            background: #fff;
            border-top: 1px solid var(--kaiyun-border);
            border-bottom: 1px solid var(--kaiyun-border);
        }
        .kaiyun-section-heading {
            margin-bottom: 32px;
        }
        .kaiyun-section-heading h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .kaiyun-section-heading p {
            color: var(--kaiyun-grey);
            font-size: 0.95rem;
            margin-bottom: 0;
            max-width: 560px;
            line-height: 1.7;
        }
        .kaiyun-faq-list {
            max-width: 860px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .kaiyun-faq-item {
            background: var(--kaiyun-bg);
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            overflow: hidden;
            transition: all 0.35s ease;
        }
        .kaiyun-faq-item.open {
            border-color: var(--kaiyun-border-strong);
            box-shadow: var(--kaiyun-shadow-sm);
        }
        .kaiyun-faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            color: var(--kaiyun-ink);
            font-size: 0.95rem;
            transition: color 0.3s ease;
            user-select: none;
        }
        .kaiyun-faq-question:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-faq-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            flex-shrink: 0;
            box-shadow: 0 0 0 3px rgba(47, 155, 137, 0.12);
        }
        .kaiyun-faq-icon {
            margin-left: auto;
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--kaiyun-grey);
            transition: all 0.35s ease;
            border: 1px solid var(--kaiyun-border);
        }
        .kaiyun-faq-item.open .kaiyun-faq-icon {
            transform: rotate(180deg);
            color: var(--kaiyun-accent);
            border-color: var(--kaiyun-border-strong);
        }
        .kaiyun-faq-answer {
            padding: 0 22px 18px 44px;
            font-size: 0.88rem;
            color: var(--kaiyun-grey);
            line-height: 1.8;
            display: none;
        }
        .kaiyun-faq-item.open .kaiyun-faq-answer {
            display: block;
        }

        /* ========== CTA ========== */
        .kaiyun-cta-section {
            padding: 64px 0;
        }
        .kaiyun-cta-box {
            background: var(--kaiyun-gradient);
            border-radius: var(--kaiyun-radius-lg);
            padding: 48px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            border: 1px solid rgba(47, 155, 137, 0.15);
            box-shadow: var(--kaiyun-shadow);
        }
        .kaiyun-cta-box-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .kaiyun-cta-box-text p {
            font-size: 0.95rem;
            color: var(--kaiyun-ink-soft);
            margin-bottom: 0;
            line-height: 1.7;
            max-width: 480px;
        }
        .kaiyun-cta-box-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ========== 页脚 ========== */
        .kaiyun-footer {
            background: var(--kaiyun-ink);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            font-size: 0.88rem;
        }
        .kaiyun-footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .kaiyun-footer-brand:hover {
            color: var(--kaiyun-accent-light);
        }
        .kaiyun-footer-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
        }
        .kaiyun-footer-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .kaiyun-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .kaiyun-footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            transition: all 0.3s ease;
        }
        .kaiyun-footer-links a:hover {
            color: var(--kaiyun-accent-light);
            padding-left: 4px;
        }
        .kaiyun-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 36px;
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .kaiyun-footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }
        .kaiyun-footer-bottom a:hover {
            color: var(--kaiyun-accent-light);
        }

        /* ========== 返回顶部按钮 ========== */
        .kaiyun-to-top {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 1000;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            box-shadow: 0 6px 20px rgba(47, 155, 137, 0.35);
            border: none;
            cursor: pointer;
            transition: all 0.35s ease;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
        }
        .kaiyun-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .kaiyun-to-top:hover {
            background: var(--kaiyun-gradient-btn-hover);
            transform: translateY(-4px);
            box-shadow: 0 10px 28px rgba(47, 155, 137, 0.45);
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .kaiyun-cat-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .kaiyun-cat-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .kaiyun-report-card {
                grid-template-columns: 160px 1fr;
                gap: 16px;
            }
            .kaiyun-cat-banner-content h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .kaiyun-container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .kaiyun-nav-search {
                display: none;
            }
            .mobile-search-btn {
                display: flex;
            }
            .desktop-cta {
                display: none;
            }
            .kaiyun-cat-banner {
                min-height: 240px;
            }
            .kaiyun-cat-banner-content {
                padding: 32px 24px;
            }
            .kaiyun-cat-banner-content h1 {
                font-size: 1.6rem;
            }
            .kaiyun-cat-banner-content p {
                font-size: 0.9rem;
            }
            .kaiyun-report-card {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .kaiyun-report-card-img {
                aspect-ratio: 16/9;
            }
            .kaiyun-cat-sidebar {
                grid-template-columns: 1fr;
            }
            .kaiyun-insight-strip {
                padding: 20px;
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .kaiyun-cta-box {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .kaiyun-cta-box-actions {
                justify-content: center;
            }
            .section-gap {
                padding: var(--kaiyun-section-gap-mobile) 0;
            }
            .kaiyun-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .kaiyun-container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .kaiyun-cat-banner-content h1 {
                font-size: 1.35rem;
            }
            .kaiyun-cat-banner-stats {
                gap: 10px;
            }
            .kaiyun-cat-banner-stat {
                font-size: 0.78rem;
                padding: 5px 12px;
            }
            .kaiyun-report-card-title {
                font-size: 1rem;
            }
            .kaiyun-report-card-desc {
                -webkit-line-clamp: 3;
            }
            .kaiyun-section-heading h2 {
                font-size: 1.45rem;
            }
            .kaiyun-cta-box-text h3 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category6 */
:root {
            --kaiyun-primary: #5F8F8A;
            --kaiyun-primary-dark: #4A7A75;
            --kaiyun-primary-light: #7FAD9F;
            --kaiyun-bg: #F4F8F7;
            --kaiyun-bg-light: #EAF2F0;
            --kaiyun-ink: #1D252C;
            --kaiyun-ink-soft: #2C3841;
            --kaiyun-gold: #E9B267;
            --kaiyun-grey: #6F6F7A;
            --kaiyun-accent: #2F9B89;
            --kaiyun-accent-light: #3DB8A2;
            --kaiyun-gradient: linear-gradient(135deg, #F4F8F7 0%, #CFE3DF 35%, #2F9B89 100%);
            --kaiyun-gradient-btn: linear-gradient(135deg, #7FAD9F 0%, #5F8F8A 45%, #2F9B89 100%);
            --kaiyun-gradient-btn-hover: linear-gradient(135deg, #2F9B89 0%, #5F8F8A 50%, #7FAD9F 100%);
            --kaiyun-border: rgba(95, 143, 138, 0.15);
            --kaiyun-border-strong: rgba(95, 143, 138, 0.35);
            --kaiyun-shadow-sm: 0 4px 14px rgba(29, 37, 44, 0.06);
            --kaiyun-shadow: 0 8px 30px rgba(29, 37, 44, 0.08);
            --kaiyun-shadow-hover: 0 14px 40px rgba(47, 155, 137, 0.18);
            --kaiyun-radius-sm: 12px;
            --kaiyun-radius: 20px;
            --kaiyun-radius-lg: 28px;
            --kaiyun-radius-pill: 999px;
            --kaiyun-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --kaiyun-section-gap: 88px;
            --kaiyun-section-gap-mobile: 52px;
            --kaiyun-container-gutter: 32px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--kaiyun-font);
            background-color: var(--kaiyun-bg);
            color: var(--kaiyun-ink);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            padding-top: 0;
        }

        a {
            color: var(--kaiyun-primary);
            text-decoration: none;
            transition: color 0.25s ease, text-decoration 0.25s ease;
        }

        a:hover {
            color: var(--kaiyun-accent);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(47, 155, 137, 0.4);
            outline-offset: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .kaiyun-container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: var(--kaiyun-container-gutter);
            padding-right: var(--kaiyun-container-gutter);
        }

        .section-gap {
            padding: var(--kaiyun-section-gap) 0;
        }

        @media (max-width: 767px) {
            .section-gap {
                padding: var(--kaiyun-section-gap-mobile) 0;
            }
        }

        /* ========== 导航 ========== */
        .kaiyun-nav {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--kaiyun-border);
            transition: box-shadow 0.3s ease;
        }

        .kaiyun-nav.scrolled {
            box-shadow: 0 6px 24px rgba(29, 37, 44, 0.10);
        }

        .kaiyun-nav-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .kaiyun-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .kaiyun-brand:hover {
            color: var(--kaiyun-accent);
        }

        .kaiyun-brand-logo {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--kaiyun-gradient-btn);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(47, 155, 137, 0.25);
        }

        .kaiyun-nav-search {
            flex: 1;
            max-width: 360px;
            position: relative;
        }

        .kaiyun-nav-search input {
            width: 100%;
            height: 40px;
            border-radius: var(--kaiyun-radius-pill);
            border: 1px solid var(--kaiyun-border-strong);
            background: var(--kaiyun-bg);
            padding: 0 42px 0 18px;
            font-size: 0.9rem;
            color: var(--kaiyun-ink);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .kaiyun-nav-search input::placeholder {
            color: var(--kaiyun-grey);
        }

        .kaiyun-nav-search input:focus {
            border-color: var(--kaiyun-accent);
            box-shadow: 0 0 0 3px rgba(47, 155, 137, 0.15);
            outline: none;
        }

        .kaiyun-nav-search .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--kaiyun-grey);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .kaiyun-nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .mobile-search-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--kaiyun-border-strong);
            background: var(--kaiyun-bg);
            color: var(--kaiyun-ink);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.9rem;
        }

        .mobile-search-btn:hover {
            background: var(--kaiyun-bg-light);
            color: var(--kaiyun-accent);
        }

        .kaiyun-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: var(--kaiyun-radius-pill);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 22px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            letter-spacing: 0.3px;
            line-height: 1.4;
        }

        .kaiyun-btn-primary {
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            box-shadow: 0 4px 16px rgba(47, 155, 137, 0.25);
            position: relative;
            background-size: 180% 180%;
        }

        .kaiyun-btn-primary:hover {
            background: var(--kaiyun-gradient-btn-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(47, 155, 137, 0.35);
        }

        .kaiyun-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 14px rgba(47, 155, 137, 0.25);
        }

        .kaiyun-btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        .kaiyun-btn-outline {
            background: transparent;
            color: var(--kaiyun-primary);
            border: 1.5px solid var(--kaiyun-primary);
        }

        .kaiyun-btn-outline:hover {
            background: rgba(95, 143, 138, 0.1);
            color: var(--kaiyun-accent);
            border-color: var(--kaiyun-accent);
            transform: translateY(-2px);
        }

        .kaiyun-nav-tabs-wrap {
            border-top: 1px solid var(--kaiyun-border);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .kaiyun-nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 0;
            height: 46px;
        }

        .kaiyun-nav-tabs::-webkit-scrollbar {
            display: none;
        }

        .kaiyun-nav-tab {
            flex-shrink: 0;
            padding: 10px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--kaiyun-grey);
            border-bottom: 3px solid transparent;
            transition: all 0.3s ease;
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.3px;
        }

        .kaiyun-nav-tab:hover {
            color: var(--kaiyun-accent);
            background: rgba(47, 155, 137, 0.04);
        }

        .kaiyun-nav-tab.active {
            color: var(--kaiyun-primary);
            font-weight: 700;
            border-bottom-color: var(--kaiyun-accent);
            background: linear-gradient(180deg, transparent 40%, rgba(47, 155, 137, 0.07) 100%);
        }

        @media (max-width: 991px) {
            .kaiyun-nav-search {
                max-width: 260px;
            }
        }

        @media (max-width: 767px) {
            .kaiyun-nav-search {
                display: none;
                position: absolute;
                left: 16px;
                right: 16px;
                top: 64px;
                max-width: none;
                z-index: 200;
                background: #fff;
                border-radius: var(--kaiyun-radius);
                padding: 10px;
                box-shadow: var(--kaiyun-shadow);
            }

            .kaiyun-nav-search.mobile-open {
                display: block;
            }

            .kaiyun-nav-search input {
                height: 44px;
            }

            .mobile-search-btn {
                display: inline-flex;
            }

            .desktop-cta {
                display: none;
            }

            .kaiyun-nav-tab {
                padding: 10px 14px;
                font-size: 0.82rem;
            }

            .kaiyun-container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        @media (max-width: 575px) {
            .kaiyun-nav-top {
                height: 58px;
            }

            .kaiyun-brand {
                font-size: 1.15rem;
            }

            .kaiyun-brand-logo {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
                border-radius: 8px;
            }

            .kaiyun-nav-tab {
                padding: 9px 12px;
                font-size: 0.8rem;
            }
        }

        /* ========== 面包屑 ========== */
        .kaiyun-breadcrumb-wrap {
            padding: 18px 0 0;
            margin-bottom: 0;
        }

        .kaiyun-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--kaiyun-grey);
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .kaiyun-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .kaiyun-breadcrumb li:not(:last-child)::after {
            content: '>';
            color: var(--kaiyun-grey);
            font-size: 0.75rem;
        }

        .kaiyun-breadcrumb a {
            color: var(--kaiyun-grey);
        }

        .kaiyun-breadcrumb a:hover {
            color: var(--kaiyun-accent);
        }

        .kaiyun-breadcrumb .current {
            color: var(--kaiyun-accent);
            font-weight: 600;
        }

        /* ========== Hero ========== */
        .kaiyun-cat-hero {
            padding: 50px 0 56px;
            position: relative;
            overflow: hidden;
            background: var(--kaiyun-bg);
        }

        .kaiyun-cat-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(47, 155, 137, 0.10) 0%, transparent 70%);
            pointer-events: none;
        }

        .kaiyun-cat-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(233, 178, 103, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .kaiyun-cat-hero .kaiyun-container {
            position: relative;
            z-index: 1;
        }

        .kaiyun-hero-badge-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .kaiyun-badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: var(--kaiyun-radius-pill);
            background: #fff;
            border: 1px solid var(--kaiyun-border);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--kaiyun-ink-soft);
            box-shadow: var(--kaiyun-shadow-sm);
            white-space: nowrap;
        }

        .kaiyun-badge-pill i {
            color: var(--kaiyun-accent);
            font-size: 0.75rem;
        }

        .kaiyun-badge-pill.highlight {
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            border: none;
            box-shadow: 0 4px 14px rgba(47, 155, 137, 0.3);
        }

        .kaiyun-badge-pill.highlight i {
            color: #fff;
        }

        .kaiyun-cat-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--kaiyun-ink);
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

        .kaiyun-cat-hero .kaiyun-hero-sub {
            font-size: 1.05rem;
            color: var(--kaiyun-grey);
            max-width: 680px;
            line-height: 1.8;
            margin: 0 0 24px;
        }

        .kaiyun-hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .kaiyun-hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 32px;
            padding-top: 28px;
            border-top: 1px solid var(--kaiyun-border);
        }

        .kaiyun-hero-stat {
            text-align: left;
        }

        .kaiyun-hero-stat .stat-number {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--kaiyun-accent);
            line-height: 1.2;
        }

        .kaiyun-hero-stat .stat-label {
            font-size: 0.82rem;
            color: var(--kaiyun-grey);
            margin-top: 4px;
        }

        @media (max-width: 991px) {
            .kaiyun-cat-hero h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 767px) {
            .kaiyun-cat-hero {
                padding: 32px 0 40px;
            }

            .kaiyun-cat-hero h1 {
                font-size: 1.65rem;
            }

            .kaiyun-cat-hero .kaiyun-hero-sub {
                font-size: 0.95rem;
            }

            .kaiyun-hero-stats {
                gap: 18px;
                flex-wrap: wrap;
            }

            .kaiyun-hero-stat .stat-number {
                font-size: 1.4rem;
            }
        }

        /* ========== 主体布局 ========== */
        .kaiyun-cat-main {
            padding: 40px 0 72px;
            background: var(--kaiyun-bg);
        }

        .kaiyun-main-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 28px;
            align-items: start;
        }

        @media (max-width: 991px) {
            .kaiyun-main-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* 更新列表卡片 */
        .kaiyun-update-card {
            display: flex;
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            overflow: hidden;
            margin-bottom: 18px;
            transition: all 0.35s ease;
            position: relative;
        }

        .kaiyun-update-card:hover {
            box-shadow: var(--kaiyun-shadow-hover);
            transform: translateY(-4px);
            border-color: var(--kaiyun-border-strong);
        }

        .kaiyun-update-card .card-img-wrap {
            flex-shrink: 0;
            width: 180px;
            min-height: 120px;
            position: relative;
            overflow: hidden;
            border-radius: var(--kaiyun-radius) 0 0 var(--kaiyun-radius);
        }

        .kaiyun-update-card .card-img-wrap img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .kaiyun-update-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .kaiyun-update-card .card-body-wrap {
            flex: 1;
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
        }

        .kaiyun-update-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin: 0;
            line-height: 1.4;
        }

        .kaiyun-update-card .card-desc {
            font-size: 0.88rem;
            color: var(--kaiyun-grey);
            margin: 0;
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .kaiyun-update-card .card-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 4px;
        }

        .kaiyun-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: var(--kaiyun-radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--kaiyun-bg-light);
            color: var(--kaiyun-primary);
            white-space: nowrap;
        }

        .kaiyun-tag.accent {
            background: rgba(47, 155, 137, 0.1);
            color: var(--kaiyun-accent);
        }

        .kaiyun-tag.gold {
            background: rgba(233, 178, 103, 0.14);
            color: #b8862b;
        }

        .kaiyun-meta-text {
            font-size: 0.78rem;
            color: var(--kaiyun-grey);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .kaiyun-data-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: var(--kaiyun-radius-pill);
            font-size: 0.72rem;
            font-weight: 600;
            background: #fff;
            border: 1px solid var(--kaiyun-border);
            color: var(--kaiyun-ink-soft);
        }

        @media (max-width: 767px) {
            .kaiyun-update-card {
                flex-direction: column;
            }

            .kaiyun-update-card .card-img-wrap {
                width: 100%;
                min-height: 160px;
                border-radius: var(--kaiyun-radius) var(--kaiyun-radius) 0 0;
            }

            .kaiyun-update-card .card-body-wrap {
                padding: 16px;
            }
        }

        /* 右侧排行榜 */
        .kaiyun-side-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            padding: 22px 20px;
            margin-bottom: 18px;
            position: sticky;
            top: 120px;
        }

        .kaiyun-side-card .side-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--kaiyun-bg-light);
        }

        .kaiyun-side-card .side-title i {
            color: var(--kaiyun-gold);
            font-size: 0.9rem;
        }

        .kaiyun-rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 4px;
            border-bottom: 1px solid var(--kaiyun-border);
            transition: all 0.3s ease;
            border-radius: 8px;
            cursor: pointer;
        }

        .kaiyun-rank-item:last-child {
            border-bottom: none;
        }

        .kaiyun-rank-item:hover {
            background: var(--kaiyun-bg-light);
            padding-left: 10px;
        }

        .kaiyun-rank-number {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--kaiyun-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            color: var(--kaiyun-grey);
        }

        .kaiyun-rank-item:nth-child(2) .kaiyun-rank-number {
            background: linear-gradient(135deg, #E9B267, #DBA354);
            color: #fff;
            box-shadow: 0 3px 8px rgba(233, 178, 103, 0.35);
        }

        .kaiyun-rank-item:nth-child(3) .kaiyun-rank-number {
            background: linear-gradient(135deg, #B8B8C0, #9C9CA8);
            color: #fff;
            box-shadow: 0 3px 8px rgba(111, 111, 122, 0.25);
        }

        .kaiyun-rank-item:nth-child(4) .kaiyun-rank-number {
            background: linear-gradient(135deg, #CDA06F, #B8834A);
            color: #fff;
            box-shadow: 0 3px 8px rgba(205, 160, 111, 0.3);
        }

        .kaiyun-rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }

        .kaiyun-rank-item .rank-name {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--kaiyun-ink);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .kaiyun-rank-item .rank-meta {
            font-size: 0.75rem;
            color: var(--kaiyun-grey);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ========== 适用场景 ========== */
        .kaiyun-scene-section {
            padding: 56px 0;
            background: #fff;
            border-top: 1px solid var(--kaiyun-border);
            border-bottom: 1px solid var(--kaiyun-border);
        }

        .kaiyun-section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .kaiyun-section-desc {
            font-size: 0.95rem;
            color: var(--kaiyun-grey);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .kaiyun-scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .kaiyun-scene-card {
            background: var(--kaiyun-bg);
            border-radius: var(--kaiyun-radius);
            padding: 22px 20px;
            border: 1px solid var(--kaiyun-border);
            transition: all 0.35s ease;
        }

        .kaiyun-scene-card:hover {
            background: #fff;
            box-shadow: var(--kaiyun-shadow);
            transform: translateY(-3px);
            border-color: var(--kaiyun-border-strong);
        }

        .kaiyun-scene-card .scene-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: 14px;
            box-shadow: 0 4px 12px rgba(47, 155, 137, 0.22);
        }

        .kaiyun-scene-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 8px;
        }

        .kaiyun-scene-card p {
            font-size: 0.85rem;
            color: var(--kaiyun-grey);
            line-height: 1.65;
            margin: 0;
        }

        @media (max-width: 1199px) {
            .kaiyun-scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575px) {
            .kaiyun-scene-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 下载流程 ========== */
        .kaiyun-flow-section {
            padding: 56px 0;
            background: var(--kaiyun-bg);
        }

        .kaiyun-flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 8px;
        }

        .kaiyun-flow-step {
            text-align: left;
            padding: 20px 18px;
            border-radius: var(--kaiyun-radius);
            background: #fff;
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            position: relative;
            transition: all 0.35s ease;
        }

        .kaiyun-flow-step:hover {
            box-shadow: var(--kaiyun-shadow);
            transform: translateY(-2px);
        }

        .kaiyun-step-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
            box-shadow: 0 4px 12px rgba(47, 155, 137, 0.25);
        }

        .kaiyun-flow-step h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 6px;
        }

        .kaiyun-flow-step p {
            font-size: 0.82rem;
            color: var(--kaiyun-grey);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 991px) {
            .kaiyun-flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575px) {
            .kaiyun-flow-steps {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .kaiyun-faq-section {
            padding: 56px 0;
            background: #fff;
            border-top: 1px solid var(--kaiyun-border);
        }

        .kaiyun-faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .kaiyun-faq-item {
            background: var(--kaiyun-bg);
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.35s ease;
        }

        .kaiyun-faq-item.open {
            border-color: var(--kaiyun-accent);
            box-shadow: var(--kaiyun-shadow);
            background: #fff;
        }

        .kaiyun-faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--kaiyun-ink);
            user-select: none;
            transition: color 0.3s ease;
        }

        .kaiyun-faq-question:hover {
            color: var(--kaiyun-accent);
        }

        .kaiyun-faq-dot {
            flex-shrink: 0;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            box-shadow: 0 2px 6px rgba(47, 155, 137, 0.3);
        }

        .kaiyun-faq-question .faq-icon {
            margin-left: auto;
            flex-shrink: 0;
            color: var(--kaiyun-grey);
            transition: transform 0.3s ease;
            font-size: 0.8rem;
        }

        .kaiyun-faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--kaiyun-accent);
        }

        .kaiyun-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px 0 42px;
            font-size: 0.87rem;
            color: var(--kaiyun-grey);
            line-height: 1.75;
        }

        .kaiyun-faq-item.open .kaiyun-faq-answer {
            max-height: 500px;
            padding-bottom: 18px;
        }

        /* ========== CTA ========== */
        .kaiyun-cta-section {
            padding: 64px 0;
            background: var(--kaiyun-bg);
        }

        .kaiyun-cta-box {
            background: var(--kaiyun-gradient);
            border-radius: var(--kaiyun-radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--kaiyun-shadow);
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        .kaiyun-cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }

        .kaiyun-cta-box .cta-content {
            position: relative;
            z-index: 1;
        }

        .kaiyun-cta-box h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .kaiyun-cta-box p {
            font-size: 0.95rem;
            color: var(--kaiyun-ink-soft);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.75;
        }

        .kaiyun-cta-box .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        @media (max-width: 767px) {
            .kaiyun-cta-box {
                padding: 32px 22px;
                border-radius: var(--kaiyun-radius);
            }

            .kaiyun-cta-box h2 {
                font-size: 1.4rem;
            }
        }

        /* ========== 页脚 ========== */
        .kaiyun-footer {
            background: var(--kaiyun-ink);
            color: #c9d4d2;
            padding: 56px 0 24px;
        }

        .kaiyun-footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .kaiyun-footer-brand:hover {
            color: var(--kaiyun-accent-light);
        }

        .kaiyun-footer-brand .kaiyun-brand-logo {
            width: 32px;
            height: 32px;
            font-size: 0.85rem;
            border-radius: 8px;
        }

        .kaiyun-footer-desc {
            font-size: 0.84rem;
            line-height: 1.7;
            color: #9fb5b1;
            max-width: 340px;
        }

        .kaiyun-footer-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .kaiyun-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .kaiyun-footer-links li {
            margin-bottom: 8px;
        }

        .kaiyun-footer-links a {
            color: #9fb5b1;
            font-size: 0.84rem;
            transition: color 0.3s ease;
        }

        .kaiyun-footer-links a:hover {
            color: var(--kaiyun-gold);
        }

        .kaiyun-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 36px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.75rem;
            color: #7d9490;
        }

        .kaiyun-footer-bottom a {
            color: #9fb5b1;
            font-size: 0.75rem;
        }

        .kaiyun-footer-bottom a:hover {
            color: var(--kaiyun-gold);
        }

        @media (max-width: 767px) {
            .kaiyun-footer {
                padding: 36px 0 20px;
            }

            .kaiyun-footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        /* 加载更多 */
        .kaiyun-load-more-wrap {
            text-align: center;
            padding: 20px 0 0;
        }

        /* 响应式微调 */
        @media (max-width: 991px) {
            .kaiyun-side-card {
                position: static;
                top: auto;
            }
        }

/* roulang page: category5 */
:root {
            --kaiyun-primary: #5F8F8A;
            --kaiyun-primary-dark: #4A7A75;
            --kaiyun-primary-light: #7FAD9F;
            --kaiyun-bg: #F4F8F7;
            --kaiyun-bg-light: #EAF2F0;
            --kaiyun-ink: #1D252C;
            --kaiyun-ink-soft: #2C3841;
            --kaiyun-gold: #E9B267;
            --kaiyun-grey: #6F6F7A;
            --kaiyun-accent: #2F9B89;
            --kaiyun-accent-light: #3DB8A2;
            --kaiyun-gradient: linear-gradient(135deg, #F4F8F7 0%, #CFE3DF 35%, #2F9B89 100%);
            --kaiyun-gradient-btn: linear-gradient(135deg, #7FAD9F 0%, #5F8F8A 45%, #2F9B89 100%);
            --kaiyun-gradient-btn-hover: linear-gradient(135deg, #2F9B89 0%, #5F8F8A 50%, #7FAD9F 100%);
            --kaiyun-border: rgba(95, 143, 138, 0.15);
            --kaiyun-border-strong: rgba(95, 143, 138, 0.35);
            --kaiyun-shadow-sm: 0 4px 14px rgba(29, 37, 44, 0.06);
            --kaiyun-shadow: 0 8px 30px rgba(29, 37, 44, 0.08);
            --kaiyun-shadow-hover: 0 14px 40px rgba(47, 155, 137, 0.18);
            --kaiyun-radius-sm: 12px;
            --kaiyun-radius: 20px;
            --kaiyun-radius-lg: 28px;
            --kaiyun-radius-pill: 999px;
            --kaiyun-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --kaiyun-section-gap: 96px;
            --kaiyun-section-gap-mobile: 56px;
            --kaiyun-container-gutter: 24px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--kaiyun-font);
            background-color: var(--kaiyun-bg);
            color: var(--kaiyun-ink);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            padding-top: 0;
        }

        a {
            color: var(--kaiyun-primary);
            text-decoration: none;
            transition: color 0.25s ease, text-decoration 0.25s ease;
        }
        a:hover {
            color: var(--kaiyun-accent);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(47, 155, 137, 0.4);
            outline-offset: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .kaiyun-container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section-gap {
            padding: var(--kaiyun-section-gap) 0;
        }

        /* ========== 导航 ========== */
        .kaiyun-nav {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--kaiyun-border);
            transition: box-shadow 0.3s ease;
        }
        .kaiyun-nav.scrolled {
            box-shadow: 0 6px 24px rgba(29, 37, 44, 0.10);
        }
        .kaiyun-nav-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .kaiyun-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .kaiyun-brand:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-brand-logo {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--kaiyun-gradient-btn);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-nav-search {
            flex: 1;
            max-width: 360px;
            position: relative;
        }
        .kaiyun-nav-search input {
            width: 100%;
            height: 40px;
            border-radius: var(--kaiyun-radius-pill);
            border: 1px solid var(--kaiyun-border-strong);
            background: var(--kaiyun-bg);
            padding: 0 42px 0 18px;
            font-size: 0.9rem;
            color: var(--kaiyun-ink);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .kaiyun-nav-search input::placeholder {
            color: var(--kaiyun-grey);
        }
        .kaiyun-nav-search input:focus {
            border-color: var(--kaiyun-accent);
            box-shadow: 0 0 0 3px rgba(47, 155, 137, 0.15);
            outline: none;
        }
        .kaiyun-nav-search .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--kaiyun-grey);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .kaiyun-nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-search-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--kaiyun-border-strong);
            background: var(--kaiyun-bg);
            color: var(--kaiyun-grey);
            font-size: 1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all 0.25s ease;
        }
        .mobile-search-btn:hover {
            color: var(--kaiyun-accent);
            border-color: var(--kaiyun-accent);
        }
        .kaiyun-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            border-radius: var(--kaiyun-radius-pill);
            padding: 10px 22px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.95rem;
            line-height: 1.4;
        }
        .kaiyun-btn-primary {
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            box-shadow: 0 6px 18px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-btn-primary:hover {
            background: var(--kaiyun-gradient-btn-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(47, 155, 137, 0.35);
        }
        .kaiyun-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(47, 155, 137, 0.2);
        }
        .kaiyun-btn-outline {
            background: transparent;
            border: 1.5px solid var(--kaiyun-accent);
            color: var(--kaiyun-accent);
        }
        .kaiyun-btn-outline:hover {
            background: rgba(47, 155, 137, 0.1);
            color: var(--kaiyun-accent);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(47, 155, 137, 0.15);
        }
        .kaiyun-btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .kaiyun-btn-lg {
            padding: 14px 32px;
            font-size: 1.05rem;
        }

        .kaiyun-nav-tabs-wrap {
            border-top: 1px solid var(--kaiyun-border);
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .kaiyun-nav-tabs {
            display: flex;
            gap: 24px;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 0;
            min-height: 48px;
        }
        .kaiyun-nav-tabs::-webkit-scrollbar {
            display: none;
        }
        .kaiyun-nav-tab {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--kaiyun-grey);
            padding: 12px 2px 10px;
            border-bottom: 3px solid transparent;
            transition: color 0.25s ease, border-color 0.25s ease;
            position: relative;
        }
        .kaiyun-nav-tab:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-nav-tab.active {
            color: var(--kaiyun-accent);
            font-weight: 700;
            border-bottom-color: var(--kaiyun-accent);
        }

        /* ========== 面包屑 ========== */
        .kaiyun-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--kaiyun-grey);
            padding: 18px 0 0;
            flex-wrap: wrap;
        }
        .kaiyun-breadcrumb a {
            color: var(--kaiyun-grey);
        }
        .kaiyun-breadcrumb a:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-breadcrumb .sep {
            color: var(--kaiyun-border-strong);
        }
        .kaiyun-breadcrumb .current {
            color: var(--kaiyun-ink);
            font-weight: 600;
        }

        /* ========== 分类 Hero ========== */
        .kaiyun-cat-hero {
            background: var(--kaiyun-gradient);
            border-radius: var(--kaiyun-radius-lg);
            padding: 52px 48px;
            position: relative;
            overflow: hidden;
            margin-top: 8px;
        }
        .kaiyun-cat-hero::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.12);
            pointer-events: none;
        }
        .kaiyun-cat-hero::before {
            content: "";
            position: absolute;
            left: 20%;
            bottom: -60px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(47, 155, 137, 0.15);
            pointer-events: none;
        }
        .kaiyun-cat-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
            line-height: 1.2;
        }
        .kaiyun-cat-hero .lead {
            font-size: 1.1rem;
            color: var(--kaiyun-ink-soft);
            max-width: 720px;
            margin-bottom: 28px;
            position: relative;
            z-index: 2;
        }
        .kaiyun-cat-hero .icon-matrix {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
            position: relative;
            z-index: 2;
            margin-bottom: 24px;
            max-width: 560px;
        }
        .kaiyun-cat-hero .icon-matrix .icon-cell {
            background: rgba(255, 255, 255, 0.65);
            border-radius: var(--kaiyun-radius-sm);
            padding: 14px;
            text-align: center;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--kaiyun-ink-soft);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: all 0.3s ease;
        }
        .kaiyun-cat-hero .icon-matrix .icon-cell:hover {
            transform: translateY(-3px);
            box-shadow: var(--kaiyun-shadow);
            background: rgba(255, 255, 255, 0.85);
        }
        .kaiyun-cat-hero .icon-matrix .icon-cell i {
            font-size: 1.4rem;
            color: var(--kaiyun-accent);
        }
        .kaiyun-cat-hero .status-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .kaiyun-cat-hero .status-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--kaiyun-ink);
            background: rgba(255, 255, 255, 0.5);
            border-radius: var(--kaiyun-radius-pill);
            padding: 6px 14px;
        }
        .kaiyun-cat-hero .status-item i {
            color: var(--kaiyun-accent);
        }

        /* ========== 徽章 ========== */
        .kaiyun-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--kaiyun-radius-pill);
            background: var(--kaiyun-bg-light);
            color: var(--kaiyun-primary-dark);
            white-space: nowrap;
        }
        .kaiyun-badge-accent {
            background: rgba(47, 155, 137, 0.12);
            color: var(--kaiyun-accent);
        }
        .kaiyun-badge-gold {
            background: rgba(233, 178, 103, 0.18);
            color: #B8873A;
        }
        .kaiyun-badge-grey {
            background: rgba(111, 111, 122, 0.1);
            color: var(--kaiyun-grey);
        }
        .kaiyun-badge-dark {
            background: var(--kaiyun-ink);
            color: #fff;
        }

        /* ========== 数据徽章组 ========== */
        .kaiyun-data-badge {
            display: inline-flex;
            align-items: baseline;
            gap: 5px;
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            border-radius: var(--kaiyun-radius-pill);
            padding: 6px 16px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 12px rgba(47, 155, 137, 0.2);
        }
        .kaiyun-data-badge .num {
            font-size: 1.1rem;
            font-weight: 800;
        }
        .kaiyun-data-badge .unit {
            font-size: 0.75rem;
            font-weight: 500;
            opacity: 0.9;
        }

        /* ========== 案例列表卡片 ========== */
        .kaiyun-case-list {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }
        .kaiyun-case-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            overflow: hidden;
            transition: all 0.35s ease;
            padding: 18px;
            position: relative;
        }
        .kaiyun-case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--kaiyun-shadow-hover);
            border-color: var(--kaiyun-border-strong);
        }
        .kaiyun-case-card .cover-wrap {
            flex-shrink: 0;
            width: 180px;
            height: 120px;
            border-radius: var(--kaiyun-radius-sm);
            overflow: hidden;
        }
        .kaiyun-case-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .kaiyun-case-card .case-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }
        .kaiyun-case-card .case-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .kaiyun-case-card .case-title a {
            color: var(--kaiyun-ink);
        }
        .kaiyun-case-card .case-title a:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-case-card .case-desc {
            font-size: 0.9rem;
            color: var(--kaiyun-grey);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .kaiyun-case-card .case-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-top: auto;
        }
        .kaiyun-case-card .case-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .kaiyun-case-card .case-update {
            font-size: 0.8rem;
            color: var(--kaiyun-grey);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .kaiyun-case-card .case-top-label {
            position: absolute;
            top: 14px;
            right: 14px;
            z-index: 2;
        }

        /* ========== 右侧栏 ========== */
        .kaiyun-sidebar-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            box-shadow: var(--kaiyun-shadow-sm);
            padding: 24px;
            margin-bottom: 22px;
        }
        .kaiyun-sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .kaiyun-sidebar-card h3 i {
            color: var(--kaiyun-accent);
        }
        .kaiyun-rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--kaiyun-border);
        }
        .kaiyun-rank-item:last-child {
            border-bottom: none;
        }
        .kaiyun-rank-item .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .kaiyun-rank-item .rank-num.top1 {
            background: linear-gradient(135deg, #E9B267, #D49B4A);
            color: #fff;
        }
        .kaiyun-rank-item .rank-num.top2 {
            background: linear-gradient(135deg, #C0C8D0, #A0AAB4);
            color: #fff;
        }
        .kaiyun-rank-item .rank-num.top3 {
            background: linear-gradient(135deg, #D9A878, #C08A5A);
            color: #fff;
        }
        .kaiyun-rank-item .rank-num.normal {
            background: var(--kaiyun-bg-light);
            color: var(--kaiyun-grey);
        }
        .kaiyun-rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .kaiyun-rank-item .rank-info .rank-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--kaiyun-ink);
            line-height: 1.4;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .kaiyun-rank-item .rank-info .rank-meta {
            font-size: 0.75rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-rank-item .rank-heat {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--kaiyun-accent);
            white-space: nowrap;
        }

        .kaiyun-node-timeline {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .kaiyun-node-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .kaiyun-node-item .node-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--kaiyun-accent);
            flex-shrink: 0;
            margin-top: 6px;
            box-shadow: 0 0 0 4px rgba(47, 155, 137, 0.15);
        }
        .kaiyun-node-item .node-content {
            flex: 1;
        }
        .kaiyun-node-item .node-title {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            line-height: 1.4;
        }
        .kaiyun-node-item .node-date {
            font-size: 0.75rem;
            color: var(--kaiyun-grey);
            margin-bottom: 2px;
        }
        .kaiyun-node-item .node-desc {
            font-size: 0.82rem;
            color: var(--kaiyun-grey);
            line-height: 1.6;
        }

        /* ========== 数据统计区 ========== */
        .kaiyun-stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .kaiyun-stat-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--kaiyun-shadow-sm);
            transition: all 0.3s ease;
        }
        .kaiyun-stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--kaiyun-shadow-hover);
        }
        .kaiyun-stat-card .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            background: var(--kaiyun-gradient-btn);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .kaiyun-stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--kaiyun-grey);
            margin-top: 6px;
        }

        /* ========== 场景区块 ========== */
        .kaiyun-scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .kaiyun-scene-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            padding: 24px;
            box-shadow: var(--kaiyun-shadow-sm);
            transition: all 0.3s ease;
        }
        .kaiyun-scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--kaiyun-shadow-hover);
            border-color: var(--kaiyun-border-strong);
        }
        .kaiyun-scene-card .scene-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--kaiyun-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--kaiyun-accent);
            margin-bottom: 14px;
        }
        .kaiyun-scene-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--kaiyun-ink);
        }
        .kaiyun-scene-card p {
            font-size: 0.88rem;
            color: var(--kaiyun-grey);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ========== 流程区块 ========== */
        .kaiyun-process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .kaiyun-process-step {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--kaiyun-shadow-sm);
            position: relative;
        }
        .kaiyun-process-step .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            box-shadow: 0 4px 12px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-process-step h4 {
            font-size: 0.98rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--kaiyun-ink);
        }
        .kaiyun-process-step p {
            font-size: 0.82rem;
            color: var(--kaiyun-grey);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .kaiyun-faq-list .accordion-item {
            border: 1px solid var(--kaiyun-border);
            border-radius: var(--kaiyun-radius) !important;
            overflow: hidden;
            margin-bottom: 14px;
            background: #fff;
            box-shadow: var(--kaiyun-shadow-sm);
            transition: all 0.3s ease;
        }
        .kaiyun-faq-list .accordion-item:focus-within {
            border-color: var(--kaiyun-accent);
            box-shadow: 0 0 0 4px rgba(47, 155, 137, 0.12);
        }
        .kaiyun-faq-list .accordion-button {
            background: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--kaiyun-ink);
            padding: 18px 22px;
            border-radius: var(--kaiyun-radius) !important;
            box-shadow: none;
        }
        .kaiyun-faq-list .accordion-button:not(.collapsed) {
            background: var(--kaiyun-bg-light);
            color: var(--kaiyun-accent);
            box-shadow: none;
        }
        .kaiyun-faq-list .accordion-button::after {
            filter: sepia(1) saturate(2) hue-rotate(120deg);
        }
        .kaiyun-faq-list .accordion-body {
            font-size: 0.9rem;
            color: var(--kaiyun-grey);
            padding: 18px 22px;
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .kaiyun-cta-section {
            background: var(--kaiyun-gradient);
            border-radius: var(--kaiyun-radius-lg);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }
        .kaiyun-cta-section::after {
            content: "";
            position: absolute;
            right: -60px;
            bottom: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            pointer-events: none;
        }
        .kaiyun-cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }
        .kaiyun-cta-section p {
            font-size: 1.05rem;
            color: var(--kaiyun-ink-soft);
            max-width: 600px;
            margin-bottom: 24px;
            position: relative;
            z-index: 2;
        }
        .kaiyun-cta-section .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            position: relative;
            z-index: 2;
        }

        /* ========== Footer ========== */
        .kaiyun-footer {
            background: var(--kaiyun-ink);
            color: rgba(244, 248, 247, 0.75);
            padding: 60px 0 24px;
            margin-top: 40px;
        }
        .kaiyun-footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .kaiyun-footer-brand:hover {
            color: var(--kaiyun-accent-light);
        }
        .kaiyun-footer-desc {
            font-size: 0.88rem;
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 340px;
            color: rgba(244, 248, 247, 0.6);
        }
        .kaiyun-footer-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .kaiyun-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .kaiyun-footer-links a {
            color: rgba(244, 248, 247, 0.6);
            font-size: 0.88rem;
            transition: color 0.25s ease;
        }
        .kaiyun-footer-links a:hover {
            color: var(--kaiyun-accent-light);
        }
        .kaiyun-footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            border-top: 1px solid rgba(244, 248, 247, 0.1);
            padding-top: 20px;
            margin-top: 36px;
            font-size: 0.78rem;
            color: rgba(244, 248, 247, 0.5);
        }
        .kaiyun-footer-bottom a {
            color: rgba(244, 248, 247, 0.5);
        }
        .kaiyun-footer-bottom a:hover {
            color: var(--kaiyun-accent-light);
        }

        /* ========== 返回顶部 ========== */
        .kaiyun-back-top {
            position: fixed;
            right: 20px;
            bottom: 20px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            cursor: pointer;
            box-shadow: 0 6px 18px rgba(47, 155, 137, 0.35);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: all 0.35s ease;
            z-index: 800;
        }
        .kaiyun-back-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .kaiyun-back-top:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(47, 155, 137, 0.45);
        }

        /* ========== 移动端搜索遮罩 ========== */
        .kaiyun-mobile-search-panel {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            padding: 16px var(--kaiyun-container-gutter);
            border-bottom: 1px solid var(--kaiyun-border);
            box-shadow: 0 10px 30px rgba(29, 37, 44, 0.1);
            z-index: 1040;
        }
        .kaiyun-mobile-search-panel.active {
            display: block;
        }
        .kaiyun-mobile-search-panel input {
            width: 100%;
            height: 44px;
            border-radius: var(--kaiyun-radius-pill);
            border: 1px solid var(--kaiyun-border-strong);
            padding: 0 18px;
            font-size: 0.9rem;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .kaiyun-container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .kaiyun-cat-hero h1 {
                font-size: 2.2rem;
            }
            .kaiyun-process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .kaiyun-stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991.98px) {
            .kaiyun-nav-search {
                display: none;
            }
            .mobile-search-btn {
                display: inline-flex;
            }
            .kaiyun-cat-hero {
                padding: 36px 28px;
            }
            .kaiyun-cat-hero h1 {
                font-size: 1.9rem;
            }
            .kaiyun-cat-hero .icon-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .kaiyun-scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-gap {
                padding: 64px 0;
            }
            .kaiyun-case-card {
                flex-direction: column;
                gap: 14px;
            }
            .kaiyun-case-card .cover-wrap {
                width: 100%;
                height: 180px;
            }
        }

        @media (max-width: 767.98px) {
            .kaiyun-container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .kaiyun-nav-top {
                height: 56px;
            }
            .kaiyun-brand {
                font-size: 1.15rem;
            }
            .kaiyun-btn-sm {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
            .kaiyun-cat-hero {
                padding: 26px 18px;
                border-radius: var(--kaiyun-radius);
            }
            .kaiyun-cat-hero h1 {
                font-size: 1.6rem;
            }
            .kaiyun-cat-hero .lead {
                font-size: 0.95rem;
            }
            .kaiyun-cat-hero .icon-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .kaiyun-cat-hero .icon-matrix .icon-cell {
                padding: 10px 8px;
                font-size: 0.78rem;
            }
            .kaiyun-cat-hero .icon-matrix .icon-cell i {
                font-size: 1.1rem;
            }
            .kaiyun-cat-hero .status-bar {
                gap: 10px;
            }
            .kaiyun-cat-hero .status-item {
                font-size: 0.75rem;
                padding: 4px 10px;
            }
            .kaiyun-stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .kaiyun-stat-card {
                padding: 18px 14px;
            }
            .kaiyun-stat-card .stat-num {
                font-size: 1.6rem;
            }
            .kaiyun-stat-card .stat-label {
                font-size: 0.75rem;
            }
            .kaiyun-scene-grid {
                grid-template-columns: 1fr;
            }
            .kaiyun-process-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .kaiyun-cta-section {
                padding: 28px 20px;
                border-radius: var(--kaiyun-radius);
            }
            .kaiyun-cta-section h2 {
                font-size: 1.4rem;
            }
            .kaiyun-cta-section p {
                font-size: 0.95rem;
            }
            .section-gap {
                padding: 48px 0;
            }
            .kaiyun-nav-tabs {
                gap: 16px;
            }
            .kaiyun-nav-tab {
                font-size: 0.82rem;
            }
            .kaiyun-case-card .cover-wrap {
                height: 150px;
            }
            .kaiyun-case-card .case-title {
                font-size: 1rem;
            }
            .kaiyun-footer {
                padding: 40px 0 20px;
            }
        }

        @media (max-width: 519.98px) {
            .kaiyun-container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .desktop-cta {
                display: none;
            }
            .kaiyun-cat-hero h1 {
                font-size: 1.4rem;
            }
            .kaiyun-cat-hero .lead {
                font-size: 0.88rem;
            }
            .kaiyun-stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .kaiyun-stat-card .stat-num {
                font-size: 1.4rem;
            }
            .kaiyun-case-card .cover-wrap {
                height: 130px;
            }
            .kaiyun-case-card .case-desc {
                -webkit-line-clamp: 3;
            }
        }

/* roulang page: category7 */
:root {
            --kaiyun-primary: #5F8F8A;
            --kaiyun-primary-dark: #4A7A75;
            --kaiyun-primary-light: #7FAD9F;
            --kaiyun-bg: #F4F8F7;
            --kaiyun-bg-light: #EAF2F0;
            --kaiyun-ink: #1D252C;
            --kaiyun-ink-soft: #2C3841;
            --kaiyun-gold: #E9B267;
            --kaiyun-grey: #6F6F7A;
            --kaiyun-accent: #2F9B89;
            --kaiyun-accent-light: #3DB8A2;
            --kaiyun-gradient: linear-gradient(135deg, #F4F8F7 0%, #CFE3DF 35%, #2F9B89 100%);
            --kaiyun-gradient-btn: linear-gradient(135deg, #7FAD9F 0%, #5F8F8A 45%, #2F9B89 100%);
            --kaiyun-gradient-btn-hover: linear-gradient(135deg, #2F9B89 0%, #5F8F8A 50%, #7FAD9F 100%);
            --kaiyun-border: rgba(95, 143, 138, 0.15);
            --kaiyun-border-strong: rgba(95, 143, 138, 0.35);
            --kaiyun-shadow-sm: 0 4px 14px rgba(29, 37, 44, 0.06);
            --kaiyun-shadow: 0 8px 30px rgba(29, 37, 44, 0.08);
            --kaiyun-shadow-hover: 0 14px 40px rgba(47, 155, 137, 0.18);
            --kaiyun-radius-sm: 12px;
            --kaiyun-radius: 20px;
            --kaiyun-radius-lg: 28px;
            --kaiyun-radius-pill: 999px;
            --kaiyun-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --kaiyun-section-gap: 96px;
            --kaiyun-section-gap-mobile: 56px;
            --kaiyun-container-gutter: 24px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--kaiyun-font);
            background-color: var(--kaiyun-bg);
            color: var(--kaiyun-ink);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            padding-top: 0;
        }
        a {
            color: var(--kaiyun-primary);
            text-decoration: none;
            transition: color 0.25s ease, text-decoration 0.25s ease;
        }
        a:hover {
            color: var(--kaiyun-accent);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(47, 155, 137, 0.4);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .kaiyun-container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        .section-gap {
            padding: var(--kaiyun-section-gap) 0;
        }
        @media (max-width: 767px) {
            .section-gap {
                padding: var(--kaiyun-section-gap-mobile) 0;
            }
            .kaiyun-container {
                padding-left: var(--kaiyun-container-gutter);
                padding-right: var(--kaiyun-container-gutter);
            }
        }
        /* ========== 导航 ========== */
        .kaiyun-nav {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--kaiyun-border);
            transition: box-shadow 0.3s ease;
        }
        .kaiyun-nav.scrolled {
            box-shadow: 0 6px 24px rgba(29, 37, 44, 0.10);
        }
        .kaiyun-nav-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .kaiyun-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .kaiyun-brand:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-brand-logo {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--kaiyun-gradient-btn);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-nav-search {
            flex: 1;
            max-width: 360px;
            position: relative;
        }
        .kaiyun-nav-search input {
            width: 100%;
            height: 40px;
            border-radius: var(--kaiyun-radius-pill);
            border: 1px solid var(--kaiyun-border-strong);
            background: var(--kaiyun-bg);
            padding: 0 42px 0 18px;
            font-size: 0.9rem;
            color: var(--kaiyun-ink);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .kaiyun-nav-search input::placeholder {
            color: var(--kaiyun-grey);
        }
        .kaiyun-nav-search input:focus {
            border-color: var(--kaiyun-accent);
            box-shadow: 0 0 0 3px rgba(47, 155, 137, 0.15);
            outline: none;
        }
        .kaiyun-nav-search .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--kaiyun-grey);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .kaiyun-nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-search-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--kaiyun-border-strong);
            background: var(--kaiyun-bg);
            color: var(--kaiyun-grey);
            font-size: 1rem;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background 0.25s ease, color 0.25s ease;
        }
        .mobile-search-btn:hover {
            background: var(--kaiyun-bg-light);
            color: var(--kaiyun-accent);
        }
        .kaiyun-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: var(--kaiyun-radius-pill);
            font-weight: 700;
            letter-spacing: 0.4px;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            text-decoration: none;
            white-space: nowrap;
        }
        .kaiyun-btn-primary {
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            padding: 12px 24px;
            font-size: 0.95rem;
            box-shadow: 0 8px 20px rgba(47, 155, 137, 0.28);
        }
        .kaiyun-btn-primary:hover {
            background: var(--kaiyun-gradient-btn-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(47, 155, 137, 0.36);
        }
        .kaiyun-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 6px 16px rgba(47, 155, 137, 0.24);
        }
        .kaiyun-btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .kaiyun-btn-outline {
            background: transparent;
            color: var(--kaiyun-primary);
            border: 2px solid var(--kaiyun-primary);
            padding: 11px 23px;
            font-size: 0.95rem;
        }
        .kaiyun-btn-outline:hover {
            background: rgba(95, 143, 138, 0.1);
            color: var(--kaiyun-accent);
            border-color: var(--kaiyun-accent);
            transform: translateY(-2px);
        }
        .kaiyun-nav-tabs-wrap {
            border-top: 1px solid var(--kaiyun-border);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .kaiyun-nav-tabs-wrap::-webkit-scrollbar {
            display: none;
        }
        .kaiyun-nav-tabs {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 0;
            white-space: nowrap;
        }
        .kaiyun-nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--kaiyun-grey);
            border-radius: var(--kaiyun-radius-pill);
            transition: all 0.28s ease;
            border-bottom: 3px solid transparent;
            white-space: nowrap;
        }
        .kaiyun-nav-tab:hover {
            color: var(--kaiyun-accent);
            background: rgba(95, 143, 138, 0.08);
        }
        .kaiyun-nav-tab.active {
            color: var(--kaiyun-accent);
            background: rgba(47, 155, 137, 0.10);
            border-bottom-color: var(--kaiyun-accent);
            font-weight: 700;
        }
        @media (max-width: 991px) {
            .kaiyun-nav-search {
                display: none;
            }
            .mobile-search-btn {
                display: inline-flex;
            }
        }
        @media (max-width: 767px) {
            .kaiyun-nav-top {
                height: 58px;
            }
            .kaiyun-brand {
                font-size: 1.15rem;
            }
            .kaiyun-brand-logo {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
            .desktop-cta {
                display: none;
            }
            .kaiyun-nav-tab {
                padding: 7px 12px;
                font-size: 0.8rem;
            }
        }
        /* ========== 面包屑 ========== */
        .kaiyun-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--kaiyun-grey);
            padding: 18px 0 6px;
            flex-wrap: wrap;
        }
        .kaiyun-breadcrumb a {
            color: var(--kaiyun-grey);
            transition: color 0.25s ease;
        }
        .kaiyun-breadcrumb a:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-breadcrumb .sep {
            color: var(--kaiyun-border-strong);
            font-size: 0.75rem;
        }
        .kaiyun-breadcrumb .current {
            color: var(--kaiyun-primary);
            font-weight: 700;
        }
        /* ========== Hero ========== */
        .kaiyun-cat-hero {
            position: relative;
            background: linear-gradient(135deg, #F4F8F7 0%, #CFE3DF 40%, #2F9B89 100%);
            border-radius: var(--kaiyun-radius-lg);
            overflow: hidden;
            margin: 10px 0 40px;
            min-height: 320px;
            display: flex;
            align-items: center;
            padding: 48px 52px;
            box-shadow: var(--kaiyun-shadow);
        }
        .kaiyun-cat-hero::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,255,255,0.35) 0%, rgba(255,255,255,0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .kaiyun-cat-hero::after {
            content: "";
            position: absolute;
            bottom: -40%;
            left: 20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(47,155,137,0.25) 0%, rgba(47,155,137,0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .kaiyun-cat-hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .kaiyun-cat-hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.75);
            color: var(--kaiyun-accent);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 16px;
            border-radius: var(--kaiyun-radius-pill);
            margin-bottom: 18px;
            backdrop-filter: blur(6px);
        }
        .kaiyun-cat-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--kaiyun-ink);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .kaiyun-cat-hero p {
            font-size: 1.05rem;
            color: var(--kaiyun-ink-soft);
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 26px;
        }
        .kaiyun-cat-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .kaiyun-hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .kaiyun-stat-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.7);
            color: var(--kaiyun-ink);
            font-weight: 700;
            font-size: 0.82rem;
            padding: 8px 16px;
            border-radius: var(--kaiyun-radius-pill);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255,255,255,0.6);
        }
        .kaiyun-stat-pill i {
            color: var(--kaiyun-accent);
        }
        .kaiyun-cat-hero-img {
            position: absolute;
            right: 40px;
            bottom: 0;
            width: 360px;
            height: 240px;
            border-radius: var(--kaiyun-radius);
            overflow: hidden;
            box-shadow: var(--kaiyun-shadow);
            z-index: 3;
            transform: rotate(-2deg);
            border: 4px solid rgba(255,255,255,0.7);
        }
        .kaiyun-cat-hero-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (max-width: 991px) {
            .kaiyun-cat-hero {
                padding: 36px 28px;
                min-height: 280px;
            }
            .kaiyun-cat-hero h1 {
                font-size: 2.2rem;
            }
            .kaiyun-cat-hero-img {
                width: 280px;
                height: 190px;
                right: 20px;
                opacity: 0.7;
            }
        }
        @media (max-width: 767px) {
            .kaiyun-cat-hero {
                padding: 28px 22px;
                min-height: 260px;
            }
            .kaiyun-cat-hero h1 {
                font-size: 1.7rem;
            }
            .kaiyun-cat-hero p {
                font-size: 0.9rem;
            }
            .kaiyun-cat-hero-img {
                display: none;
            }
            .kaiyun-hero-stats {
                gap: 10px;
            }
            .kaiyun-stat-pill {
                font-size: 0.72rem;
                padding: 6px 12px;
            }
        }
        /* ========== 主体布局 ========== */
        .kaiyun-update-list {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }
        .kaiyun-update-card {
            display: flex;
            gap: 22px;
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            padding: 20px;
            transition: all 0.35s ease;
            box-shadow: var(--kaiyun-shadow-sm);
            align-items: center;
        }
        .kaiyun-update-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--kaiyun-shadow-hover);
            border-color: var(--kaiyun-border-strong);
        }
        .kaiyun-update-card-thumb {
            flex-shrink: 0;
            width: 200px;
            height: 130px;
            border-radius: var(--kaiyun-radius-sm);
            overflow: hidden;
            position: relative;
        }
        .kaiyun-update-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .kaiyun-update-card:hover .kaiyun-update-card-thumb img {
            transform: scale(1.05);
        }
        .kaiyun-update-card-thumb .card-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--kaiyun-radius-pill);
            letter-spacing: 0.5px;
        }
        .kaiyun-update-card-body {
            flex: 1;
            min-width: 0;
        }
        .kaiyun-update-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .kaiyun-update-card-desc {
            font-size: 0.9rem;
            color: var(--kaiyun-grey);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .kaiyun-update-card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 0.78rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-update-card-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .kaiyun-update-card-meta i {
            color: var(--kaiyun-accent);
        }
        .kaiyun-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            font-size: 0.72rem;
            font-weight: 600;
            border-radius: var(--kaiyun-radius-pill);
            background: rgba(95, 143, 138, 0.1);
            color: var(--kaiyun-primary-dark);
            letter-spacing: 0.3px;
        }
        .kaiyun-update-card-right {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 10px;
        }
        .kaiyun-heat-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(233, 178, 103, 0.15);
            color: #C58A2D;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 6px 14px;
            border-radius: var(--kaiyun-radius-pill);
        }
        .kaiyun-heat-badge i {
            font-size: 0.7rem;
        }
        .kaiyun-update-week {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--kaiyun-accent);
        }
        @media (max-width: 767px) {
            .kaiyun-update-card {
                flex-direction: column;
                padding: 16px;
            }
            .kaiyun-update-card-thumb {
                width: 100%;
                height: 180px;
            }
            .kaiyun-update-card-right {
                flex-direction: row;
                align-items: center;
                width: 100%;
                justify-content: space-between;
            }
        }
        /* ========== 侧边栏 ========== */
        .kaiyun-side-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            padding: 24px;
            box-shadow: var(--kaiyun-shadow-sm);
            margin-bottom: 22px;
        }
        .kaiyun-side-card-title {
            font-size: 1rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .kaiyun-side-card-title i {
            color: var(--kaiyun-accent);
            font-size: 0.9rem;
        }
        .kaiyun-rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .kaiyun-rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 10px 12px;
            border-radius: var(--kaiyun-radius-sm);
            background: var(--kaiyun-bg);
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .kaiyun-rank-item:hover {
            background: rgba(47, 155, 137, 0.08);
            transform: translateX(4px);
        }
        .kaiyun-rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 800;
            flex-shrink: 0;
            background: rgba(95, 143, 138, 0.12);
            color: var(--kaiyun-primary);
        }
        .kaiyun-rank-num.top1 {
            background: var(--kaiyun-gradient-btn);
            color: #fff;
        }
        .kaiyun-rank-num.top2 {
            background: rgba(233, 178, 103, 0.25);
            color: #C58A2D;
        }
        .kaiyun-rank-num.top3 {
            background: rgba(111, 111, 122, 0.18);
            color: var(--kaiyun-grey);
        }
        .kaiyun-rank-info {
            flex: 1;
            min-width: 0;
        }
        .kaiyun-rank-name {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .kaiyun-rank-cat {
            font-size: 0.72rem;
            color: var(--kaiyun-grey);
        }
        .kaiyun-rank-heat {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--kaiyun-accent);
            flex-shrink: 0;
        }
        .kaiyun-timeline-mini {
            display: flex;
            flex-direction: column;
            gap: 14px;
            padding-left: 4px;
        }
        .kaiyun-timeline-mini-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .kaiyun-timeline-mini-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--kaiyun-accent);
            margin-top: 6px;
            flex-shrink: 0;
            box-shadow: 0 0 0 3px rgba(47, 155, 137, 0.15);
        }
        .kaiyun-timeline-mini-content {
            flex: 1;
            font-size: 0.8rem;
            color: var(--kaiyun-ink-soft);
            line-height: 1.6;
        }
        .kaiyun-timeline-mini-content strong {
            color: var(--kaiyun-accent);
            font-weight: 700;
        }
        /* ========== 板块标题 ========== */
        .kaiyun-section-head {
            margin-bottom: 36px;
        }
        .kaiyun-section-head h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .kaiyun-section-head p {
            font-size: 0.95rem;
            color: var(--kaiyun-grey);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .kaiyun-section-head .kaiyun-divider {
            width: 48px;
            height: 4px;
            background: var(--kaiyun-gradient-btn);
            border-radius: 2px;
            margin-bottom: 14px;
        }
        @media (max-width: 767px) {
            .kaiyun-section-head h2 {
                font-size: 1.5rem;
            }
        }
        /* ========== 流程 ========== */
        .kaiyun-process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .kaiyun-process-card {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            padding: 26px 22px;
            text-align: center;
            transition: all 0.35s ease;
            box-shadow: var(--kaiyun-shadow-sm);
        }
        .kaiyun-process-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--kaiyun-shadow-hover);
            border-color: var(--kaiyun-border-strong);
        }
        .kaiyun-process-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--kaiyun-gradient-btn);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            color: #fff;
            font-size: 1.4rem;
            box-shadow: 0 8px 20px rgba(47, 155, 137, 0.25);
        }
        .kaiyun-process-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            margin-bottom: 8px;
        }
        .kaiyun-process-card p {
            font-size: 0.82rem;
            color: var(--kaiyun-grey);
            line-height: 1.7;
            margin-bottom: 0;
        }
        @media (max-width: 991px) {
            .kaiyun-process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575px) {
            .kaiyun-process-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ========== FAQ ========== */
        .kaiyun-faq-section {
            background: var(--kaiyun-bg-light);
            border-radius: var(--kaiyun-radius-lg);
            padding: 56px 48px;
            margin-top: 20px;
        }
        .kaiyun-faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .kaiyun-faq-item {
            background: #fff;
            border-radius: var(--kaiyun-radius);
            border: 1px solid var(--kaiyun-border);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all 0.35s ease;
            box-shadow: var(--kaiyun-shadow-sm);
        }
        .kaiyun-faq-item.active {
            border-color: var(--kaiyun-accent);
            box-shadow: 0 8px 24px rgba(47, 155, 137, 0.15);
        }
        .kaiyun-faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--kaiyun-ink);
            text-align: left;
            transition: color 0.3s ease;
            font-family: var(--kaiyun-font);
        }
        .kaiyun-faq-question:hover {
            color: var(--kaiyun-accent);
        }
        .kaiyun-faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(95, 143, 138, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--kaiyun-primary);
            font-size: 0.8rem;
            transition: all 0.35s ease;
        }
        .kaiyun-faq-item.active .faq-icon {
            background: var(--kaiyun-gradient-btn);
            color: #fff;
            transform: rotate(180deg);
        }
        .kaiyun-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s ease, padding 0.35s ease;
            padding: 0 22px;
        }
        .kaiyun-faq-item.active .kaiyun-faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .kaiyun-faq-answer p {
            font-size: 0.88rem;
            color: var(--kaiyun-grey);
            line-height: 1.8;
            margin-bottom: 0;
        }
        @media (max-width: 767px) {
            .kaiyun-faq-section {
                padding: 32px 18px;
            }
            .kaiyun-faq-question {
                font-size: 0.85rem;
                padding: 15px 16px;
            }
        }
        /* ========== CTA ========== */
        .kaiyun-cta-section {
            background: var(--kaiyun-gradient);
            border-radius: var(--kaiyun-radius-lg);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-top: 20px;
            box-shadow: var(--kaiyun-shadow);
        }
        .kaiyun-cta-section::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .kaiyun-cta-content {
            position: relative;
            z-index: 2;
        }
        .kaiyun-cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }
        .kaiyun-cta-section p {
            font-size: 1rem;
            color: var(--kaiyun-ink-soft);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .kaiyun-cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media (max-width: 767px) {
            .kaiyun-cta-section {
                padding: 40px 22px;
            }
            .kaiyun-cta-section h2 {
                font-size: 1.5rem;
            }
        }
        /* ========== 页脚 ========== */
        .kaiyun-footer {
            background: var(--kaiyun-ink);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
            margin-top: var(--kaiyun-section-gap);
        }
        .kaiyun-footer a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.3s ease;
        }
        .kaiyun-footer a:hover {
            color: var(--kaiyun-accent-light);
        }
        .kaiyun-footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .kaiyun-footer-brand .kaiyun-brand-logo {
            background: var(--kaiyun-gradient-btn);
        }
        .kaiyun-footer-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }
        .kaiyun-footer-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .kaiyun-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .kaiyun-footer-links li a {
            font-size: 0.85rem;
        }
        .kaiyun-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }
        @media (max-width: 767px) {
            .kaiyun-footer {
                padding: 40px 0 0;
            }
            .kaiyun-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        /* ========== 分页/Load More ========== */
        .kaiyun-load-more {
            text-align: center;
            margin-top: 32px;
        }
        .kaiyun-btn-load {
            background: #fff;
            border: 2px solid var(--kaiyun-border-strong);
            color: var(--kaiyun-primary);
            padding: 12px 32px;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--kaiyun-radius-pill);
            transition: all 0.3s ease;
            cursor: pointer;
            font-family: var(--kaiyun-font);
        }
        .kaiyun-btn-load:hover {
            border-color: var(--kaiyun-accent);
            color: var(--kaiyun-accent);
            background: rgba(47, 155, 137, 0.05);
            transform: translateY(-2px);
        }
        /* ========== 品牌介绍 ========== */
        .kaiyun-brand-intro {
            background: #fff;
            border-radius: var(--kaiyun-radius-lg);
            border: 1px solid var(--kaiyun-border);
            padding: 40px 36px;
            box-shadow: var(--kaiyun-shadow-sm);
            display: flex;
            gap: 30px;
            align-items: center;
        }
        .kaiyun-brand-intro-icon {
            flex-shrink: 0;
            width: 72px;
            height: 72px;
            border-radius: var(--kaiyun-radius);
            background: var(--kaiyun-gradient-btn);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 2rem;
            box-shadow: 0 10px 26px rgba(47, 155, 137, 0.28);
        }
        .kaiyun-brand-intro-text h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--kaiyun-ink);
            margin-bottom: 10px;
        }
        .kaiyun-brand-intro-text p {
            font-size: 0.9rem;
            color: var(--kaiyun-grey);
            line-height: 1.85;
            margin-bottom: 0;
        }
        @media (max-width: 767px) {
            .kaiyun-brand-intro {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
            }
        }
        /* Bootstrap覆盖 */
        .row {
            --bs-gutter-x: 24px;
        }
        .btn:focus {
            box-shadow: none;
        }