/* roulang page: index */
:root {
            --bg-main: #0B0D13;
            --bg-surface: #141722;
            --bg-card: #1C2030;
            --bg-card-hover: #23283C;
            --gradient-primary: linear-gradient(135deg, #FF3366 0%, #FF6B3D 50%, #FF9900 100%);
            --gradient-accent: linear-gradient(135deg, #00F2FE 0%, #4FACFE 100%);
            --gradient-dark: linear-gradient(180deg, rgba(20, 23, 34, 0.7) 0%, rgba(11, 13, 19, 0.95) 100%);
            --neon-glow: 0 0 25px rgba(255, 51, 102, 0.45);
            --border-glow: rgba(79, 172, 254, 0.25);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --text-white: #FFFFFF;
            --text-muted: #9EABCE;
            --text-highlight: #FFD200;
            --radius-xl: 24px;
            --radius-md: 14px;
            --shadow-card: 0 16px 36px -8px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.06);
        }

        body {
            background-color: var(--bg-main);
            color: var(--text-white);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.75;
            overflow-x: hidden;
            padding-bottom: 70px;
        }

        /* 顶部导航 */
        .site-navbar {
            background: rgba(11, 13, 19, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 51, 102, 0.35);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
            transition: all 0.3s ease;
        }
        .brand-logo {
            font-size: 1.55rem;
            font-weight: 800;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .brand-logo i {
            color: #FF3366;
            -webkit-text-fill-color: initial;
            filter: drop-shadow(0 0 8px rgba(255, 51, 102, 0.6));
        }
        .navbar-nav .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 50rem;
            transition: all 0.25s ease;
            position: relative;
        }
        .navbar-nav .nav-link:hover {
            color: var(--text-white);
        }
        .navbar-nav .nav-link.active {
            color: var(--text-white);
            background: rgba(255, 51, 102, 0.12);
            box-shadow: 0 0 15px rgba(255, 51, 102, 0.3);
            border: 1px solid rgba(255, 51, 102, 0.4);
        }
        .btn-neon-nav {
            background: var(--gradient-primary);
            color: #fff;
            border: none;
            font-weight: 600;
            padding: 9px 24px;
            border-radius: 50rem;
            box-shadow: var(--neon-glow);
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-neon-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(255, 107, 61, 0.6);
            color: #fff;
        }

        /* 基础区块规范 */
        .section-padding {
            padding: 90px 0;
        }
        .section-title-wrap {
            text-align: center;
            margin-bottom: 54px;
        }
        .section-title {
            font-size: 2.35rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 680px;
            margin: 0 auto;
        }

        /* 数据徽章组件 */
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 50rem;
            background: rgba(255, 51, 102, 0.12);
            border: 1px solid rgba(255, 51, 102, 0.3);
            color: #FFA3BA;
            font-size: 0.82rem;
            font-weight: 600;
            text-transform: uppercase;
        }
        .data-badge.accent {
            background: rgba(0, 242, 254, 0.12);
            border-color: rgba(79, 172, 254, 0.4);
            color: #4FACFE;
        }

        /* 圆角大卡 */
        .custom-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            padding: 32px;
            transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
            position: relative;
            overflow: hidden;
            height: 100%;
        }
        .custom-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 51, 102, 0.5);
            box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.8), 0 0 20px rgba(255, 51, 102, 0.2);
            background: var(--bg-card-hover);
        }

        /* 按钮体系 */
        .btn-gradient-main {
            background: var(--gradient-primary);
            color: #fff;
            border: none;
            padding: 13px 32px;
            border-radius: 50rem;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: var(--neon-glow);
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-gradient-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 35px rgba(255, 51, 102, 0.6);
            color: #fff;
        }
        .btn-outline-glow {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glow);
            color: var(--text-white);
            padding: 13px 30px;
            border-radius: 50rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-outline-glow:hover {
            background: rgba(79, 172, 254, 0.15);
            border-color: #4FACFE;
            color: #fff;
            transform: translateY(-2px);
        }

        /* 首屏 Hero (文档搜索 + 热门 Chips) */
        .hero-section {
            padding: 110px 0 80px 0;
            background: radial-gradient(circle at 50% 20%, rgba(255, 51, 102, 0.18) 0%, rgba(11, 13, 19, 0) 70%);
            position: relative;
        }
        .hero-title {
            font-size: 3.4rem;
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1.25;
            margin-bottom: 24px;
        }
        .hero-title span {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-search-box {
            max-width: 720px;
            margin: 32px auto 20px auto;
            position: relative;
        }
        .hero-search-input {
            width: 100%;
            background: rgba(28, 32, 48, 0.85);
            border: 2px solid var(--border-glow);
            border-radius: 50rem;
            padding: 16px 140px 16px 28px;
            color: #fff;
            font-size: 1.05rem;
            outline: none;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }
        .hero-search-input:focus {
            border-color: #FF3366;
            box-shadow: var(--neon-glow);
        }
        .hero-search-btn {
            position: absolute;
            right: 8px;
            top: 7px;
            background: var(--gradient-primary);
            color: #fff;
            border: none;
            border-radius: 50rem;
            padding: 10px 24px;
            font-weight: 600;
        }
        .popular-chips {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 18px;
        }
        .chip-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-muted);
            padding: 5px 14px;
            border-radius: 50rem;
            font-size: 0.85rem;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        .chip-item:hover {
            border-color: #FF6B3D;
            color: #fff;
            background: rgba(255, 107, 61, 0.15);
        }

        /* 核心卖点三连跳 */
        .icon-box-lg {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-md);
            background: rgba(255, 51, 102, 0.12);
            color: #FF3366;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 51, 102, 0.3);
        }
        .icon-box-lg.accent {
            background: rgba(0, 242, 254, 0.12);
            color: #00F2FE;
            border-color: rgba(0, 242, 254, 0.3);
        }
        .icon-box-lg.gold {
            background: rgba(255, 210, 0, 0.12);
            color: #FFD200;
            border-color: rgba(255, 210, 0, 0.3);
        }

        /* 场景演示与时段切换 */
        .scenario-board {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 44px;
            position: relative;
        }
        .scenario-pill {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            padding: 10px 20px;
            border-radius: 50rem;
            color: var(--text-muted);
            cursor: pointer;
            transition: all 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .scenario-pill.active {
            background: var(--gradient-primary);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 0 16px rgba(255, 51, 102, 0.4);
        }

        /* 分类专属入口大卡 (仅允许此处置入分类页链接) */
        .category-mega-card {
            background: linear-gradient(135deg, rgba(28, 32, 48, 0.9) 0%, rgba(20, 23, 34, 0.95) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 42px;
            position: relative;
            overflow: hidden;
            transition: all 0.35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .category-mega-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background: var(--gradient-primary);
        }
        .category-mega-card.alt::before {
            background: var(--gradient-accent);
        }
        .category-mega-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.8), 0 0 30px rgba(255, 51, 102, 0.25);
            border-color: rgba(255, 51, 102, 0.4);
        }

        /* 数据指标网格 */
        .metric-card {
            text-align: center;
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 36px 20px;
            border: 1px solid var(--border-subtle);
        }
        .metric-number {
            font-size: 3rem;
            font-weight: 800;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
            font-family: Impact, -apple-system, sans-serif;
        }

        /* 矩阵对比表 */
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0 10px;
        }
        .comparison-table th {
            padding: 18px 24px;
            color: var(--text-muted);
            font-weight: 600;
            text-align: center;
            border: none;
        }
        .comparison-table td {
            padding: 20px 24px;
            background: var(--bg-card);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            text-align: center;
        }
        .comparison-table tr td:first-child {
            border-left: 1px solid var(--border-subtle);
            border-top-left-radius: 14px;
            border-bottom-left-radius: 14px;
            text-align: left;
            font-weight: 600;
            color: var(--text-white);
        }
        .comparison-table tr td:last-child {
            border-right: 1px solid var(--border-subtle);
            border-top-right-radius: 14px;
            border-bottom-right-radius: 14px;
        }
        .comparison-table .highlight-col {
            background: rgba(255, 51, 102, 0.08);
            border-color: rgba(255, 51, 102, 0.3) !important;
            color: #FF8FA8;
            font-weight: 700;
        }

        /* 社会认同与评价瀑布流 */
        .review-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-subtle);
            padding: 28px;
            margin-bottom: 24px;
        }
        .review-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 2px solid #FF3366;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            background: rgba(255, 51, 102, 0.2);
            color: #fff;
        }

        /* 资讯动态卡片 */
        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .article-card:hover {
            transform: translateY(-5px);
            border-color: #4FACFE;
        }
        .article-card-body {
            padding: 26px;
        }

        /* 常见异议手风琴 */
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 18px !important;
            margin-bottom: 16px;
            overflow: hidden;
        }
        .accordion-button {
            background: var(--bg-card);
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.1rem;
            padding: 22px 28px;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(255, 51, 102, 0.08);
            color: #FF6B3D;
            border-bottom: 1px solid rgba(255, 51, 102, 0.2);
        }
        .accordion-button::after {
            filter: invert(1);
        }
        .accordion-body {
            padding: 24px 28px;
            color: var(--text-muted);
            line-height: 1.8;
            background: var(--bg-card);
        }

        /* 全链路保障条 */
        .guarantee-bar {
            background: linear-gradient(90deg, #1C2030 0%, #141722 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-xl);
            padding: 28px 36px;
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .guarantee-icon {
            font-size: 2rem;
            color: #00F2FE;
        }

        /* 最终收口 CTA */
        .cta-banner {
            background: radial-gradient(circle at 50% 50%, rgba(255, 51, 102, 0.22) 0%, rgba(28, 32, 48, 0.95) 100%);
            border: 1px solid rgba(255, 51, 102, 0.4);
            border-radius: var(--radius-xl);
            padding: 64px 36px;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        /* 底部固定转化条 */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(11, 13, 19, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-top: 1px solid rgba(255, 51, 102, 0.35);
            padding: 12px 0;
            box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.6);
        }

        /* 页脚 */
        .site-footer {
            background: #07080C;
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 90px 0;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-link {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .footer-link:hover {
            color: #FF3366;
        }

        @media (max-width: 991.98px) {
            .hero-title { font-size: 2.35rem; }
            .section-padding { padding: 60px 0; }
            .hero-search-box { padding: 0 10px; }
            .hero-search-input { padding-right: 110px; font-size: 0.95rem; }
            .hero-search-btn { padding: 8px 18px; }
            .comparison-table { display: block; overflow-x: auto; white-space: nowrap; }
        }
        @media (max-width: 576px) {
            .hero-title { font-size: 1.85rem; }
            .section-title { font-size: 1.75rem; }
            .scenario-board { padding: 24px 16px; }
            .cta-banner { padding: 36px 18px; }
        }

/* roulang page: category1 */
:root {
            --bg-main: #0B0D13;
            --bg-surface: #141722;
            --bg-card: #1C2030;
            --bg-card-hover: #23283C;
            --gradient-primary: linear-gradient(135deg, #FF3366 0%, #FF6B3D 50%, #FF9900 100%);
            --gradient-accent: linear-gradient(135deg, #00F2FE 0%, #4FACFE 100%);
            --gradient-dark: linear-gradient(180deg, rgba(20, 23, 34, 0.7) 0%, rgba(11, 13, 19, 0.95) 100%);
            --neon-glow: 0 0 25px rgba(255, 51, 102, 0.45);
            --border-glow: rgba(79, 172, 254, 0.25);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --text-white: #FFFFFF;
            --text-muted: #9EABCE;
            --text-highlight: #FFD200;
            --radius-xl: 24px;
            --radius-md: 14px;
            --shadow-card: 0 16px 36px -8px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.06);
        }

        body {
            background-color: var(--bg-main);
            color: var(--text-white);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.75;
            overflow-x: hidden;
            padding-bottom: 70px;
        }

        /* 顶部导航 */
        .site-navbar {
            background: rgba(11, 13, 19, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 51, 102, 0.35);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
            transition: all 0.3s ease;
        }

        .brand-logo {
            font-size: 1.55rem;
            font-weight: 800;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .brand-logo i {
            color: #FF3366;
            -webkit-text-fill-color: initial;
            filter: drop-shadow(0 0 8px rgba(255, 51, 102, 0.6));
        }

        .navbar-nav .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 50rem;
            transition: all 0.25s ease;
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--text-white);
        }

        .navbar-nav .nav-link.active {
            color: var(--text-white);
            background: rgba(255, 51, 102, 0.12);
            box-shadow: 0 0 15px rgba(255, 51, 102, 0.3);
            border: 1px solid rgba(255, 51, 102, 0.4);
        }

        .btn-neon-nav {
            background: var(--gradient-primary);
            color: #fff;
            border: none;
            font-weight: 600;
            padding: 9px 24px;
            border-radius: 50rem;
            box-shadow: var(--neon-glow);
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-neon-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(255, 107, 61, 0.6);
            color: #fff;
        }

        /* 基础区块规范 */
        .section-padding {
            padding: 80px 0;
        }

        .section-title-wrap {
            margin-bottom: 48px;
        }

        .section-title {
            font-size: 2.15rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 1.02rem;
            margin: 0;
        }

        /* 数据徽章组件 */
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 50rem;
            background: rgba(255, 51, 102, 0.12);
            border: 1px solid rgba(255, 51, 102, 0.3);
            color: #FFA3BA;
            font-size: 0.82rem;
            font-weight: 600;
            text-transform: uppercase;
        }

        .data-badge.accent {
            background: rgba(0, 242, 254, 0.12);
            border-color: rgba(79, 172, 254, 0.4);
            color: #4FACFE;
        }

        .data-badge.gold {
            background: rgba(255, 210, 0, 0.12);
            border-color: rgba(255, 210, 0, 0.35);
            color: #FFD200;
        }

        /* 紧凑分类标头 */
        .category-header-wrap {
            padding: 50px 0 30px 0;
            background: radial-gradient(circle at 50% 0%, rgba(255, 51, 102, 0.15) 0%, rgba(11, 13, 19, 0) 70%);
            border-bottom: 1px solid var(--border-subtle);
        }

        .breadcrumb-item a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.2s;
        }

        .breadcrumb-item a:hover {
            color: var(--text-white);
        }

        .breadcrumb-item.active {
            color: #FF6B3D;
        }

        .category-hero-title {
            font-size: 2.75rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            line-height: 1.25;
            background: linear-gradient(180deg, #FFFFFF 30%, #CFD7EA 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* 筛选控制条 */
        .filter-bar-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 18px 24px;
            box-shadow: var(--shadow-card);
            margin-bottom: 40px;
        }

        .filter-pill {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-muted);
            padding: 7px 18px;
            border-radius: 50rem;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .filter-pill:hover {
            color: var(--text-white);
            border-color: rgba(255, 51, 102, 0.4);
            background: rgba(255, 51, 102, 0.08);
        }

        .filter-pill.active {
            background: var(--gradient-primary);
            color: #fff;
            border-color: transparent;
            box-shadow: var(--neon-glow);
        }

        /* 媒体卡片与展陈 */
        .media-grid-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .media-grid-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 51, 102, 0.5);
            box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.8), 0 0 20px rgba(255, 51, 102, 0.2);
            background: var(--bg-card-hover);
        }

        .card-cover {
            height: 200px;
            position: relative;
            background-color: #121520;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .card-cover-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            opacity: 0.85;
            transition: transform 0.5s ease;
        }

        .media-grid-card:hover .card-cover-bg {
            transform: scale(1.05);
        }

        .play-indicator-btn {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(255, 51, 102, 0.85);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            position: relative;
            z-index: 2;
            box-shadow: 0 0 20px rgba(255, 51, 102, 0.6);
            transition: all 0.3s ease;
        }

        .media-grid-card:hover .play-indicator-btn {
            transform: scale(1.15);
            background: #FF3366;
            box-shadow: 0 0 30px rgba(255, 51, 102, 0.9);
        }

        .card-meta-float {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 3;
        }

        .card-duration-float {
            position: absolute;
            bottom: 12px;
            right: 12px;
            z-index: 3;
            background: rgba(0, 0, 0, 0.75);
            backdrop-filter: blur(4px);
            font-size: 0.75rem;
            padding: 3px 8px;
            border-radius: 6px;
            color: #fff;
        }

        .card-content {
            padding: 22px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .card-title-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .card-desc-text {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.6;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .card-action-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .btn-card-action {
            background: rgba(255, 51, 102, 0.12);
            color: #FF6B3D;
            border: 1px solid rgba(255, 51, 102, 0.3);
            border-radius: 50rem;
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        .btn-card-action:hover {
            background: var(--gradient-primary);
            color: #fff;
            box-shadow: var(--neon-glow);
            border-color: transparent;
        }

        /* 热度飙升大横卡 */
        .spotlight-card {
            background: linear-gradient(135deg, rgba(28, 32, 48, 0.95) 0%, rgba(20, 23, 34, 0.95) 100%);
            border-radius: var(--radius-xl);
            border: 1px solid rgba(255, 107, 61, 0.3);
            box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.7);
            padding: 36px;
            position: relative;
            overflow: hidden;
            height: 100%;
        }

        .spotlight-card::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255, 51, 102, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        /* 场景观看指南卡 */
        .guide-box {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 32px;
            border: 1px solid var(--border-subtle);
            height: 100%;
            transition: all 0.3s;
        }

        .guide-box:hover {
            border-color: var(--border-glow);
            transform: translateY(-4px);
        }

        .guide-icon-wrap {
            width: 58px;
            height: 58px;
            border-radius: 16px;
            background: rgba(0, 242, 254, 0.1);
            border: 1px solid rgba(0, 242, 254, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #00F2FE;
            font-size: 1.6rem;
            margin-bottom: 20px;
        }

        /* 用户动态声音卡 */
        .voice-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 28px;
            height: 100%;
            position: relative;
        }

        .voice-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 16px;
        }

        .voice-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3A415A, #1C2030);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #FF6B3D;
            border: 1px solid rgba(255, 107, 61, 0.4);
        }

        /* 手风琴答疑 */
        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
        }

        .accordion-custom .accordion-button {
            background: var(--bg-card);
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 20px 24px;
            box-shadow: none;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(255, 51, 102, 0.08);
            color: #FF6B3D;
            border-bottom: 1px solid rgba(255, 51, 102, 0.2);
        }

        .accordion-custom .accordion-button::after {
            filter: invert(1);
        }

        .accordion-custom .accordion-body {
            padding: 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* 按钮与通用交互 */
        .btn-load-more {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glow);
            color: var(--text-white);
            padding: 14px 44px;
            border-radius: 50rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-load-more:hover {
            background: rgba(79, 172, 254, 0.15);
            border-color: #4FACFE;
            color: #fff;
            box-shadow: 0 0 25px rgba(79, 172, 254, 0.4);
            transform: translateY(-2px);
        }

        /* 底部固定转化条 */
        .sticky-action-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(11, 13, 19, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-top: 1px solid rgba(255, 51, 102, 0.4);
            box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.7);
            padding: 12px 0;
        }

        /* 页脚规范 */
        .footer-custom {
            background: #07080C;
            border-top: 1px solid var(--border-subtle);
            padding: 70px 0 30px 0;
            margin-top: 60px;
        }

        .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
            margin-bottom: 8px;
        }

        .footer-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 20px;
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.92rem;
            transition: color 0.25s ease;
        }

        .footer-links a:hover {
            color: #FF6B3D;
        }

        .footer-bottom {
            padding-top: 30px;
            margin-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.85rem;
            color: #6C799B;
            text-align: center;
        }

        @media (max-width: 991.98px) {
            .category-hero-title {
                font-size: 2.15rem;
            }
            .section-padding {
                padding: 60px 0;
            }
        }

/* roulang page: category2 */
:root {
      --bg-main: #0B0D13;
      --bg-surface: #141722;
      --bg-card: #1C2030;
      --bg-card-hover: #23283C;
      --gradient-primary: linear-gradient(135deg, #FF3366 0%, #FF6B3D 50%, #FF9900 100%);
      --gradient-accent: linear-gradient(135deg, #00F2FE 0%, #4FACFE 100%);
      --gradient-dark: linear-gradient(180deg, rgba(20, 23, 34, 0.7) 0%, rgba(11, 13, 19, 0.95) 100%);
      --neon-glow: 0 0 25px rgba(255, 51, 102, 0.45);
      --border-glow: rgba(79, 172, 254, 0.25);
      --border-subtle: rgba(255, 255, 255, 0.08);
      --text-white: #FFFFFF;
      --text-muted: #9EABCE;
      --text-highlight: #FFD200;
      --radius-xl: 24px;
      --radius-md: 14px;
      --shadow-card: 0 16px 36px -8px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.06);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-white);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
      padding-bottom: 70px;
    }
    /* 顶部导航 */
    .site-navbar {
      background: rgba(11, 13, 19, 0.88);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 51, 102, 0.35);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
      transition: all 0.3s ease;
    }
    .brand-logo {
      font-size: 1.55rem;
      font-weight: 800;
      background: var(--gradient-primary);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .brand-logo i {
      color: #FF3366;
      -webkit-text-fill-color: initial;
      filter: drop-shadow(0 0 8px rgba(255, 51, 102, 0.6));
    }
    .navbar-nav .nav-link {
      color: var(--text-muted);
      font-weight: 500;
      padding: 8px 18px !important;
      border-radius: 50rem;
      transition: all 0.25s ease;
      position: relative;
    }
    .navbar-nav .nav-link:hover {
      color: var(--text-white);
    }
    .navbar-nav .nav-link.active {
      color: var(--text-white);
      background: rgba(255, 51, 102, 0.12);
      box-shadow: 0 0 15px rgba(255, 51, 102, 0.3);
      border: 1px solid rgba(255, 51, 102, 0.4);
    }
    .btn-neon-nav {
      background: var(--gradient-primary);
      color: #fff;
      border: none;
      font-weight: 600;
      padding: 9px 24px;
      border-radius: 50rem;
      box-shadow: var(--neon-glow);
      transition: all 0.3s ease;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-neon-nav:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(255, 107, 61, 0.6);
      color: #fff;
    }

    /* 基础区块规范 */
    .section-padding {
      padding: 80px 0;
    }
    .section-title-wrap {
      margin-bottom: 48px;
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 1.05rem;
    }

    /* 数据徽章组件 */
    .data-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border-radius: 50rem;
      background: rgba(255, 51, 102, 0.12);
      border: 1px solid rgba(255, 51, 102, 0.3);
      color: #FFA3BA;
      font-size: 0.82rem;
      font-weight: 600;
    }
    .data-badge.accent {
      background: rgba(0, 242, 254, 0.12);
      border-color: rgba(79, 172, 254, 0.4);
      color: #4FACFE;
    }
    .data-badge.gold {
      background: rgba(255, 210, 0, 0.12);
      border-color: rgba(255, 210, 0, 0.35);
      color: var(--text-highlight);
    }

    /* 分类页面特有：分类标头 */
    .category-header-wrap {
      padding: 50px 0 35px;
      background: radial-gradient(circle at 50% 0%, rgba(255, 51, 102, 0.18) 0%, rgba(11, 13, 19, 0) 70%);
      border-bottom: 1px solid var(--border-subtle);
    }
    .custom-breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 16px;
    }
    .custom-breadcrumb a {
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.2s;
    }
    .custom-breadcrumb a:hover {
      color: #FF3366;
    }
    .category-h1 {
      font-size: 2.6rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      margin-bottom: 14px;
      background: linear-gradient(180deg, #FFFFFF 30%, #CFD7EE 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .category-intro {
      color: var(--text-muted);
      font-size: 1.1rem;
      max-width: 860px;
      line-height: 1.8;
    }

    /* 筛选工具条 */
    .filter-bar-container {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-xl);
      padding: 20px 28px;
      margin: 40px 0 20px;
      box-shadow: var(--shadow-card);
    }
    .filter-pill {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      color: var(--text-muted);
      padding: 7px 18px;
      border-radius: 50rem;
      font-size: 0.9rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .filter-pill:hover {
      color: var(--text-white);
      border-color: rgba(255, 51, 102, 0.4);
      background: rgba(255, 51, 102, 0.08);
    }
    .filter-pill.active {
      background: var(--gradient-primary);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 0 16px rgba(255, 51, 102, 0.4);
    }

    /* 资源卡片主体 */
    .resource-card {
      background: var(--bg-card);
      border-radius: var(--radius-xl);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .resource-card:hover {
      transform: translateY(-6px);
      border-color: rgba(255, 51, 102, 0.5);
      box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.8), 0 0 20px rgba(255, 51, 102, 0.2);
      background: var(--bg-card-hover);
    }
    .card-thumb-wrap {
      position: relative;
      width: 100%;
      padding-top: 56.25%; /* 16:9 比例 */
      background: #0f121b;
      overflow: hidden;
    }
    .thumb-inner {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, rgba(28, 32, 48, 0.9) 0%, rgba(15, 18, 27, 0.95) 100%);
    }
    .thumb-glow-icon {
      font-size: 3.2rem;
      background: var(--gradient-primary);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      opacity: 0.85;
      transition: transform 0.3s ease;
    }
    .resource-card:hover .thumb-glow-icon {
      transform: scale(1.15);
      opacity: 1;
    }
    .thumb-badges {
      position: absolute;
      top: 14px;
      left: 14px;
      right: 14px;
      display: flex;
      justify-content: space-between;
      pointer-events: none;
    }
    .card-body-content {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .card-res-title {
      font-size: 1.22rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-white);
      line-height: 1.4;
    }
    .card-res-meta {
      color: var(--text-muted);
      font-size: 0.88rem;
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .card-action-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 16px;
    }

    /* 按钮体系 */
    .btn-gradient-card {
      background: var(--gradient-primary);
      color: #fff;
      border: none;
      padding: 9px 20px;
      border-radius: 50rem;
      font-weight: 600;
      font-size: 0.88rem;
      box-shadow: 0 4px 15px rgba(255, 51, 102, 0.3);
      transition: all 0.25s ease;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-gradient-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 107, 61, 0.5);
      color: #fff;
    }
    .btn-view-more {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-glow);
      color: var(--text-white);
      padding: 13px 44px;
      border-radius: 50rem;
      font-weight: 600;
      font-size: 1rem;
      transition: all 0.3s ease;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-view-more:hover {
      background: rgba(79, 172, 254, 0.15);
      border-color: #00F2FE;
      color: #fff;
      box-shadow: 0 0 20px rgba(0, 242, 254, 0.3);
    }

    /* 热度飙升大横卡 */
    .trending-wide-card {
      background: linear-gradient(135deg, rgba(28, 32, 48, 0.95) 0%, rgba(20, 23, 34, 0.9) 100%);
      border-radius: var(--radius-xl);
      border: 1px solid rgba(255, 51, 102, 0.35);
      box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.7), 0 0 20px rgba(255, 51, 102, 0.15);
      padding: 32px;
      transition: all 0.35s ease;
      height: 100%;
    }
    .trending-wide-card:hover {
      transform: translateY(-5px);
      border-color: rgba(255, 51, 102, 0.7);
      box-shadow: 0 22px 45px -8px rgba(0, 0, 0, 0.8), 0 0 30px rgba(255, 51, 102, 0.3);
    }

    /* 场景与指南图文混排 */
    .guide-box {
      background: var(--bg-surface);
      border-radius: var(--radius-xl);
      border: 1px solid var(--border-subtle);
      padding: 36px;
      height: 100%;
      position: relative;
    }
    .guide-icon-badge {
      width: 54px;
      height: 54px;
      border-radius: 14px;
      background: rgba(0, 242, 254, 0.1);
      border: 1px solid rgba(79, 172, 254, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      color: #00F2FE;
      margin-bottom: 22px;
    }

    /* 互动反馈卡片 */
    .feedback-card {
      background: var(--bg-card);
      border-radius: var(--radius-xl);
      border: 1px solid var(--border-subtle);
      padding: 28px;
      height: 100%;
    }
    .feedback-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }
    .avatar-ring {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: var(--gradient-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #fff;
      font-size: 1.1rem;
      box-shadow: 0 0 12px rgba(255, 51, 102, 0.4);
    }

    /* 手风琴 FAQ 覆写 */
    .accordion-custom .accordion-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md) !important;
      margin-bottom: 16px;
      overflow: hidden;
    }
    .accordion-custom .accordion-button {
      background: var(--bg-surface);
      color: var(--text-white);
      font-weight: 600;
      font-size: 1.05rem;
      padding: 20px 24px;
      box-shadow: none;
    }
    .accordion-custom .accordion-button:not(.collapsed) {
      color: #FF3366;
      background: rgba(255, 51, 102, 0.06);
      border-bottom: 1px solid rgba(255, 51, 102, 0.2);
    }
    .accordion-custom .accordion-button::after {
      filter: invert(1);
    }
    .accordion-custom .accordion-button:not(.collapsed)::after {
      filter: invert(34%) sepia(90%) saturate(2250%) hue-rotate(325deg) brightness(98%) contrast(105%);
    }
    .accordion-custom .accordion-body {
      background: var(--bg-surface);
      color: var(--text-muted);
      padding: 22px 24px;
      line-height: 1.8;
      font-size: 0.96rem;
    }

    /* 底部固定转化条 */
    .sticky-bottom-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 1040;
      background: rgba(11, 13, 19, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-top: 1px solid rgba(255, 51, 102, 0.35);
      box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.6);
      padding: 12px 0;
    }
    .sticky-bottom-bar .bar-content {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    /* 页脚 */
    .footer-custom {
      background: #08090E;
      border-top: 1px solid var(--border-subtle);
      padding: 60px 0 30px;
      margin-top: 40px;
    }
    .footer-brand {
      font-size: 1.4rem;
      font-weight: 800;
      background: var(--gradient-primary);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }
    .footer-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.2s ease;
    }
    .footer-links a:hover {
      color: #FF3366;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      margin-top: 36px;
      text-align: center;
      color: var(--text-muted);
      font-size: 0.85rem;
    }

    @media (max-width: 991px) {
      .section-padding { padding: 60px 0; }
      .category-h1 { font-size: 2rem; }
      .filter-bar-container { padding: 16px 20px; }
      .sticky-bottom-bar .bar-text { display: none; }
    }
    @media (max-width: 575px) {
      .category-h1 { font-size: 1.65rem; }
      .section-title { font-size: 1.6rem; }
      .btn-gradient-main, .btn-view-more { width: 100%; text-align: center; }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}