/* roulang page: index */
:root {
            --ink: #0C1F1A;
            --emerald: #1E7F5C;
            --gold: #C9A96E;
            --ivory: #F7F5EF;
            --dark: #1A1A1A;
            --light: #F5F3EE;
            --muted: #6B6B6B;
            --borderline: #EBE9E3;
            --radius-card: 14px;
            --radius-btn: 9px;
            --shadow-card: 0 2px 12px rgba(12,31,26,0.06);
            --shadow-card-hover: 0 8px 24px rgba(12,31,26,0.12);
            --shadow-hero: 0 4px 20px rgba(12,31,26,0.18);
            --transition: 200ms ease;
            --container: 1200px;
            --section-pad: 72px 0;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: #ffffff;
            color: var(--dark);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        img { max-width: 100%; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        section { padding: var(--section-pad); }
        .section-badge {
            display: inline-block;
            background: rgba(30,127,92,0.09);
            color: var(--emerald);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
            border: 1px solid rgba(30,127,92,0.15);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 36px;
        }
        .emerald-text { color: var(--emerald); }
        .gold-text { color: var(--gold); }
        .ink-bg { background-color: var(--ink); }
        .ivory-bg { background-color: var(--ivory); }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--ink);
            border-bottom: 1px solid var(--gold);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(12,31,26,0.35);
        }
        .nav-container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 19px;
            font-weight: 700;
            color: var(--light);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .nav-logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--gold);
            border-radius: 50%;
            margin-right: 2px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: rgba(245,243,238,0.8);
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--gold);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(201,169,110,0.25);
            border-radius: 20px;
            padding: 7px 14px;
            min-width: 200px;
            max-width: 240px;
            transition: border-color var(--transition), background var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--gold);
            background: rgba(255,255,255,0.12);
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--light);
            font-size: 14px;
            width: 100%;
            outline: none;
        }
        .nav-search input::placeholder {
            color: rgba(245,243,238,0.45);
        }
        .nav-search .search-icon {
            color: var(--gold);
            flex-shrink: 0;
            font-size: 14px;
        }
        .nav-cta {
            background: var(--emerald);
            color: #ffffff;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            white-space: nowrap;
            display: inline-block;
        }
        .nav-cta:hover {
            background: #25a06e;
            transform: translateY(-2px);
            color: #ffffff;
            box-shadow: 0 6px 18px rgba(30,127,92,0.35);
        }
        .nav-cta:focus {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 6px;
        }
        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--light);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .menu-toggle.active span:nth-child(2) { opacity: 0; }
        .menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

        /* 移动端导航抽屉 */
        .mobile-nav {
            display: none;
            background: var(--ink);
            border-bottom: 1px solid var(--gold);
            padding: 16px 24px 20px;
        }
        .mobile-nav.open { display: block; }
        .mobile-nav .nav-links {
            flex-direction: column;
            gap: 14px;
            margin-bottom: 16px;
        }
        .mobile-nav .nav-search {
            max-width: 100%;
            min-width: 0;
            margin-bottom: 12px;
        }
        .mobile-nav .nav-cta {
            display: block;
            text-align: center;
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: var(--ink);
            overflow: hidden;
            min-height: 540px;
            display: flex;
            align-items: center;
            padding: 56px 0 64px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/23770addd716a8ff.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(12,31,26,0.94) 0%, rgba(12,31,26,0.72) 55%, rgba(12,31,26,0.55) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(201,169,110,0.14);
            border: 1px solid rgba(201,169,110,0.3);
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }
        .hero-title {
            font-size: 40px;
            font-weight: 700;
            color: var(--light);
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }
        .hero-title .highlight {
            color: var(--gold);
        }
        .hero-desc {
            font-size: 17px;
            color: rgba(245,243,238,0.75);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 540px;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--emerald);
            color: #ffffff;
            font-size: 16px;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: #25a06e;
            transform: translateY(-2px);
            color: #ffffff;
            box-shadow: 0 8px 24px rgba(30,127,92,0.4);
        }
        .btn-primary:focus {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: transparent;
            color: var(--light);
            font-size: 16px;
            font-weight: 500;
            padding: 13px 26px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(245,243,238,0.4);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-secondary:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
        }
        .hero-note {
            font-size: 13px;
            color: rgba(245,243,238,0.5);
            margin-top: 18px;
        }
        .hero-code-wrap {
            background: rgba(12,31,26,0.75);
            border: 1px solid rgba(201,169,110,0.28);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0,0,0,0.35);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .hero-code-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 18px;
            background: rgba(12,31,26,0.9);
            border-bottom: 1px solid rgba(201,169,110,0.2);
        }
        .hero-code-header .dots {
            display: flex;
            gap: 7px;
        }
        .hero-code-header .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }
        .dot-red { background: #e05d5d; }
        .dot-yellow { background: #e0c05d; }
        .dot-green { background: #5dca82; }
        .hero-code-header .code-lang {
            font-size: 13px;
            color: rgba(245,243,238,0.6);
            font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
        }
        .hero-code-body {
            padding: 20px 22px;
            font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
            font-size: 14px;
            color: #d4dcd6;
            line-height: 1.7;
            overflow-x: auto;
            background: rgba(12,31,26,0.6);
        }
        .hero-code-body .code-keyword { color: #C9A96E; }
        .hero-code-body .code-string { color: #7fc9a8; }
        .hero-code-body .code-number { color: #e0c05d; }
        .hero-code-body .code-comment { color: rgba(245,243,238,0.4); }

        /* 数据条 */
        .stats-section {
            background: var(--ivory);
            padding: 40px 0;
            border-bottom: 1px solid var(--borderline);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-item {
            text-align: center;
            padding: 16px 12px;
        }
        .stat-number {
            font-size: 34px;
            font-weight: 700;
            color: var(--emerald);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--muted);
            letter-spacing: 0.02em;
        }

        /* 片库轨道 */
        .track-section {
            background: #ffffff;
        }
        .track-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding: 8px 0 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--emerald) var(--borderline);
        }
        .track-scroll::-webkit-scrollbar { height: 6px; }
        .track-scroll::-webkit-scrollbar-track { background: var(--borderline); border-radius: 3px; }
        .track-scroll::-webkit-scrollbar-thumb { background: var(--emerald); border-radius: 3px; }
        .track-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            background: #ffffff;
            border: 1px solid var(--borderline);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .track-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(201,169,110,0.45);
        }
        .track-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }
        .track-card-body {
            padding: 14px 16px 16px;
        }
        .track-card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .track-card-meta {
            font-size: 13px;
            color: var(--muted);
        }

        /* 功能分组 */
        .features-section {
            background: var(--ivory);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            padding: 26px 22px;
            border-bottom: 3px solid var(--gold);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(30,127,92,0.09);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--emerald);
            font-size: 22px;
        }
        .feature-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
        }

        /* 热播推荐 */
        .hot-section {
            background: #ffffff;
        }
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .hot-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--borderline);
            transition: all var(--transition);
            background: #ffffff;
        }
        .hot-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(201,169,110,0.45);
        }
        .hot-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .hot-card .hot-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--gold);
            color: var(--ink);
            font-size: 12px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 999px;
        }
        .hot-card-body {
            padding: 16px 18px 18px;
        }
        .hot-card-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .hot-card-body p {
            font-size: 14px;
            color: var(--muted);
        }

        /* 类型入口 */
        .type-section {
            background: var(--ivory);
        }
        .type-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
        }
        .type-card {
            background: #ffffff;
            border: 1px solid var(--borderline);
            border-radius: var(--radius-card);
            padding: 18px 14px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .type-card:hover {
            border-color: var(--emerald);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .type-card .type-icon {
            font-size: 26px;
            color: var(--emerald);
            margin-bottom: 8px;
        }
        .type-card span {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            display: block;
        }

        /* 片单分区 */
        .playlist-section {
            background: #ffffff;
        }
        .playlist-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .playlist-card {
            background: #ffffff;
            border: 1px solid var(--borderline);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .playlist-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .playlist-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }
        .playlist-card-body {
            padding: 14px 16px 16px;
        }
        .playlist-card-body h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 4px;
        }
        .playlist-card-body p {
            font-size: 13px;
            color: var(--muted);
        }

        /* 评分榜 */
        .ranking-section {
            background: var(--ivory);
        }
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 760px;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #ffffff;
            border: 1px solid var(--borderline);
            border-radius: 10px;
            padding: 12px 18px;
            transition: all var(--transition);
        }
        .ranking-item:hover {
            border-color: rgba(201,169,110,0.4);
            box-shadow: var(--shadow-card);
        }
        .ranking-pos {
            font-size: 22px;
            font-weight: 700;
            color: var(--gold);
            width: 40px;
            flex-shrink: 0;
            text-align: center;
        }
        .ranking-info {
            flex: 1;
        }
        .ranking-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 2px;
        }
        .ranking-info p {
            font-size: 13px;
            color: var(--muted);
        }
        .ranking-score {
            font-size: 18px;
            font-weight: 700;
            color: var(--emerald);
            flex-shrink: 0;
        }

        /* 截图演示 */
        .screenshot-section {
            background: #ffffff;
        }
        .screenshot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .screenshot-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--borderline);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            background: #ffffff;
        }
        .screenshot-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .screenshot-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .screenshot-card .browser-bar {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: #f0eee7;
            border-bottom: 1px solid var(--borderline);
        }
        .screenshot-card .browser-bar .bdot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #d0cec6;
        }

        /* 成功案例 */
        .case-section {
            background: var(--ivory);
        }
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .case-card {
            background: #ffffff;
            border: 1px solid var(--borderline);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(30,127,92,0.3);
        }
        .case-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(30,127,92,0.12);
            color: var(--emerald);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 12px;
        }
        .case-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 4px;
        }
        .case-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 10px;
            flex: 1;
        }
        .case-result {
            font-size: 14px;
            font-weight: 600;
            color: var(--emerald);
            margin-bottom: 12px;
        }
        .case-link {
            font-size: 14px;
            color: var(--emerald);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }
        .case-link:hover { gap: 8px; color: #25a06e; }

        /* 评价墙 */
        .review-section {
            background: #ffffff;
        }
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .review-card {
            background: var(--ivory);
            border: 1px solid var(--borderline);
            border-radius: var(--radius-card);
            padding: 18px 18px 16px;
            transition: all var(--transition);
        }
        .review-card:hover {
            border-color: rgba(201,169,110,0.35);
            box-shadow: var(--shadow-card);
        }
        .review-stars {
            color: var(--gold);
            font-size: 14px;
            letter-spacing: 2px;
            margin-bottom: 8px;
        }
        .review-text {
            font-size: 14px;
            color: var(--dark);
            line-height: 1.65;
            margin-bottom: 10px;
        }
        .review-user {
            font-size: 13px;
            color: var(--muted);
            font-weight: 500;
        }

        /* 口碑汇总 */
        .reputation-section {
            background: var(--ink);
        }
        .reputation-wrap {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .reputation-score {
            font-size: 64px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.1;
        }
        .reputation-score span {
            font-size: 22px;
            font-weight: 400;
            color: rgba(245,243,238,0.6);
        }
        .reputation-points {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
            min-width: 260px;
        }
        .reputation-points li {
            color: rgba(245,243,238,0.85);
            font-size: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .reputation-points li::before {
            content: '✓';
            color: var(--gold);
            font-weight: 700;
            flex-shrink: 0;
        }

        /* 套餐价格 */
        .pricing-section {
            background: var(--ivory);
        }
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .pricing-card {
            background: #ffffff;
            border: 1px solid var(--borderline);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .pricing-card.featured {
            border: 2px solid var(--emerald);
            background: #fafffc;
        }
        .pricing-card .recommend-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--gold);
            color: var(--ink);
            font-size: 12px;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 999px;
        }
        .pricing-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .pricing-price {
            font-size: 36px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 4px;
        }
        .pricing-price span {
            font-size: 14px;
            font-weight: 400;
            color: var(--muted);
        }
        .pricing-period {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 16px;
        }
        .pricing-features {
            list-style: none;
            margin-bottom: 20px;
            flex: 1;
        }
        .pricing-features li {
            font-size: 14px;
            color: var(--dark);
            padding: 5px 0;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .pricing-features li::before {
            content: '✓';
            color: var(--emerald);
            font-weight: 700;
        }
        .pricing-card .btn-primary {
            width: 100%;
            justify-content: center;
        }

        /* 资讯列表 CMS */
        .news-section {
            background: #ffffff;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }
        .news-item {
            display: flex;
            gap: 18px;
            padding: 16px 18px;
            background: var(--ivory);
            border: 1px solid var(--borderline);
            border-radius: 10px;
            transition: all var(--transition);
            align-items: center;
        }
        .news-item:hover {
            border-color: rgba(30,127,92,0.3);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }
        .news-item .news-cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--emerald);
            background: rgba(30,127,92,0.08);
            padding: 3px 10px;
            border-radius: 999px;
            flex-shrink: 0;
        }
        .news-item .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            flex: 1;
            line-height: 1.4;
        }
        .news-item .news-time {
            font-size: 13px;
            color: var(--muted);
            flex-shrink: 0;
        }
        .news-empty {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 28px;
            background: var(--ivory);
            border: 1px dashed var(--borderline);
            border-radius: 12px;
            color: var(--muted);
            font-size: 15px;
        }
        .news-more {
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--emerald);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }
        .news-more:hover { gap: 8px; color: #25a06e; }

        /* CTA */
        .cta-section {
            background: var(--ink);
            text-align: center;
            padding: 72px 24px;
        }
        .cta-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--light);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .cta-sub {
            font-size: 16px;
            color: rgba(245,243,238,0.7);
            max-width: 540px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-btns {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }
        .cta-note {
            font-size: 13px;
            color: rgba(245,243,238,0.5);
            max-width: 460px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* 相关推荐 */
        .recommend-section {
            background: var(--ivory);
        }
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .recommend-card {
            background: #ffffff;
            border: 1px solid var(--borderline);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .recommend-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .recommend-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }
        .recommend-card-body {
            padding: 14px 16px 16px;
        }
        .recommend-card-body h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 4px;
        }
        .recommend-card-body p {
            font-size: 13px;
            color: var(--muted);
        }

        /* 页脚 */
        .site-footer {
            background: var(--ink);
            border-top: 1px solid var(--gold);
            padding: 48px 0 24px;
            color: rgba(245,243,238,0.75);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--light);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-brand h3 .logo-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            background: var(--gold);
            border-radius: 50%;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(245,243,238,0.6);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--light);
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(245,243,238,0.6);
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(201,169,110,0.2);
            padding-top: 18px;
            text-align: center;
            font-size: 13px;
            color: rgba(245,243,238,0.45);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-content { grid-template-columns: 1fr; gap: 32px; }
            .hero-title { font-size: 32px; }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .type-grid { grid-template-columns: repeat(3, 1fr); }
            .hot-grid, .playlist-grid, .screenshot-grid, .case-grid, .review-grid, .pricing-grid, .recommend-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-search { display: none; }
            .nav-cta { display: none; }
            .menu-toggle { display: flex; }
            .mobile-nav { display: none; }
            .mobile-nav.open { display: block; }
            .hero-section { min-height: auto; padding: 40px 0 48px; }
            .hero-title { font-size: 26px; }
            .hero-desc { font-size: 15px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            .stat-number { font-size: 26px; }
            .features-grid, .hot-grid, .playlist-grid, .screenshot-grid, .case-grid, .review-grid, .pricing-grid, .recommend-grid, .type-grid { grid-template-columns: 1fr; }
            .section-title { font-size: 22px; }
            .section-subtitle { font-size: 15px; }
            .reputation-score { font-size: 46px; }
            .cta-title { font-size: 24px; }
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .news-item { flex-wrap: wrap; }
            .track-card { flex: 0 0 220px; }
            .ranking-item { flex-wrap: wrap; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 16px; }
            .nav-container { padding: 0 16px; height: 60px; }
            .nav-logo { font-size: 16px; }
            .hero-title { font-size: 22px; }
            .hero-desc { font-size: 14px; }
            .btn-primary, .btn-secondary { font-size: 14px; padding: 10px 20px; }
            .stat-number { font-size: 22px; }
            .section-title { font-size: 20px; }
            .ranking-pos { font-size: 18px; width: 30px; }
            .track-card { flex: 0 0 190px; }
            .cta-title { font-size: 20px; }
        }

/* roulang page: article */
:root {
            --ink: #0C1F1A;
            --emerald: #1E7F5C;
            --gold: #C9A96E;
            --ivory: #F7F5EF;
            --dark: #1A1A1A;
            --light: #F5F3EE;
            --muted: #6B6B6B;
            --borderline: #EBE9E3;
            --radius-card: 14px;
            --radius-btn: 9px;
            --shadow-card: 0 2px 12px rgba(12,31,26,0.06);
            --shadow-card-hover: 0 8px 24px rgba(12,31,26,0.12);
            --shadow-hero: 0 4px 20px rgba(12,31,26,0.18);
            --transition: 200ms ease;
            --container: 1200px;
            --section-pad: 72px 0;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: #ffffff;
            color: var(--dark);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        img { max-width: 100%; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        section { padding: var(--section-pad); }
        .section-badge {
            display: inline-block;
            background: rgba(30,127,92,0.09);
            color: var(--emerald);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
            border: 1px solid rgba(30,127,92,0.15);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 36px;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--ink);
            border-bottom: 1px solid var(--gold);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(12,31,26,0.35);
        }
        .nav-container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 19px;
            font-weight: 700;
            color: var(--light);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .nav-logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--gold);
            border-radius: 50%;
            margin-right: 2px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: rgba(245,243,238,0.8);
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--gold);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(201,169,110,0.25);
            border-radius: 20px;
            padding: 7px 14px;
            min-width: 200px;
            max-width: 240px;
            transition: border-color var(--transition), background var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--gold);
            background: rgba(255,255,255,0.12);
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--light);
            font-size: 14px;
            width: 100%;
            outline: none;
        }
        .nav-search input::placeholder {
            color: rgba(245,243,238,0.45);
        }
        .nav-search .search-icon {
            color: var(--gold);
            flex-shrink: 0;
            font-size: 14px;
        }
        .nav-cta {
            background: var(--emerald);
            color: #ffffff;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            white-space: nowrap;
            display: inline-block;
        }
        .nav-cta:hover {
            background: #25a06e;
            transform: translateY(-2px);
            color: #ffffff;
            box-shadow: 0 6px 18px rgba(30,127,92,0.35);
        }
        .nav-cta:focus {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 6px;
        }
        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--light);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .menu-toggle.active span:nth-child(2) { opacity: 0; }
        .menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

        /* 移动端导航 */
        .mobile-nav {
            display: none;
            background: var(--ink);
            border-top: 1px solid rgba(201,169,110,0.25);
            padding: 20px 24px 24px;
            flex-direction: column;
            gap: 18px;
            position: absolute;
            top: 68px;
            left: 0;
            right: 0;
            z-index: 99;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav .mobile-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(201,169,110,0.25);
            border-radius: 10px;
            padding: 10px 14px;
            width: 100%;
        }
        .mobile-nav .mobile-search input {
            background: transparent;
            border: none;
            color: var(--light);
            font-size: 14px;
            width: 100%;
            outline: none;
        }
        .mobile-nav .mobile-search input::placeholder {
            color: rgba(245,243,238,0.45);
        }
        .mobile-nav .mobile-search .search-icon {
            color: var(--gold);
            flex-shrink: 0;
        }
        .mobile-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .mobile-nav ul li a {
            display: block;
            padding: 14px 0;
            color: rgba(245,243,238,0.85);
            font-size: 16px;
            font-weight: 500;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: color var(--transition);
        }
        .mobile-nav ul li a:hover {
            color: var(--gold);
        }
        .mobile-nav .nav-cta {
            display: block;
            text-align: center;
            margin-top: 4px;
            padding: 12px 20px;
        }

        /* 面包屑 */
        .breadcrumb-bar {
            background: var(--ivory);
            border-bottom: 1px solid var(--borderline);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--muted);
        }
        .breadcrumb a {
            color: var(--emerald);
            font-weight: 500;
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--ink);
        }
        .breadcrumb .separator {
            color: #c0bdb3;
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--dark);
            font-weight: 600;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* 文章头部 */
        .article-hero {
            background: var(--ink);
            padding: 52px 0 44px;
            border-bottom: 1px solid rgba(201,169,110,0.2);
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(30,127,92,0.12) 0%, transparent 60%);
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 1;
        }
        .article-category-tag {
            display: inline-block;
            background: rgba(201,169,110,0.15);
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 999px;
            border: 1px solid rgba(201,169,110,0.3);
            margin-bottom: 14px;
        }
        .article-hero h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--light);
            line-height: 1.4;
            margin-bottom: 16px;
            max-width: 860px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            font-size: 14px;
            color: rgba(245,243,238,0.6);
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i {
            color: var(--gold);
            font-size: 13px;
        }

        /* 正文区域 */
        .article-body-section {
            padding: 48px 0 60px;
            background: #ffffff;
        }
        .article-body-card {
            max-width: 820px;
            margin: 0 auto;
            background: #ffffff;
            border: 1px solid var(--borderline);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 48px 56px;
        }
        .article-body-card .article-content {
            font-size: 16px;
            line-height: 1.8;
            color: #2d2d2d;
        }
        .article-body-card .article-content p {
            margin-bottom: 1.4em;
        }
        .article-body-card .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            margin: 2em 0 0.8em;
            line-height: 1.4;
            padding-bottom: 8px;
            border-bottom: 2px solid rgba(30,127,92,0.15);
        }
        .article-body-card .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--ink);
            margin: 1.6em 0 0.6em;
            line-height: 1.4;
        }
        .article-body-card .article-content blockquote {
            border-left: 4px solid var(--emerald);
            background: var(--ivory);
            padding: 16px 20px;
            margin: 1.5em 0;
            border-radius: 0 8px 8px 0;
            color: #3d3d3d;
            font-style: normal;
        }
        .article-body-card .article-content img {
            border-radius: 10px;
            margin: 1.5em 0;
            width: 100%;
            height: auto;
        }
        .article-body-card .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 14px;
        }
        .article-body-card .article-content table th {
            background: var(--ink);
            color: #fff;
            padding: 10px 14px;
            text-align: left;
            font-weight: 600;
        }
        .article-body-card .article-content table td {
            padding: 10px 14px;
            border-bottom: 1px solid var(--borderline);
        }
        .article-body-card .article-content table tr:nth-child(even) td {
            background: #faf9f6;
        }
        .article-body-card .article-content ul, 
        .article-body-card .article-content ol {
            margin: 1em 0 1.4em;
            padding-left: 1.5em;
        }
        .article-body-card .article-content li {
            margin-bottom: 0.5em;
        }
        .article-body-card .article-content code {
            background: var(--ivory);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--emerald);
        }
        .article-body-card .article-content pre {
            background: #1e1e1e;
            color: #e0e0e0;
            padding: 20px;
            border-radius: 10px;
            overflow-x: auto;
            margin: 1.5em 0;
            font-size: 14px;
            line-height: 1.6;
        }
        .article-body-card .article-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }

        /* 内容未找到 */
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
            color: var(--muted);
        }
        .article-not-found i {
            font-size: 48px;
            color: var(--emerald);
            margin-bottom: 16px;
            display: block;
        }
        .article-not-found h3 {
            font-size: 20px;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .article-not-found p {
            margin-bottom: 20px;
        }
        .article-not-found a {
            display: inline-block;
            background: var(--emerald);
            color: #fff;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all var(--transition);
        }
        .article-not-found a:hover {
            background: #25a06e;
            transform: translateY(-2px);
        }

        /* 相关推荐 */
        .related-articles {
            background: var(--ivory);
            padding: 56px 0 64px;
        }
        .related-articles .section-title {
            margin-bottom: 8px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            margin-top: 32px;
        }
        .related-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            border: 1px solid var(--borderline);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(201,169,110,0.4);
        }
        .related-card .related-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #e8e5dd;
        }
        .related-card .related-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms ease;
        }
        .related-card:hover .related-img img {
            transform: scale(1.04);
        }
        .related-card .related-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card .related-body h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .related-body h4 a:hover {
            color: var(--emerald);
        }
        .related-card .related-body .related-excerpt {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card .related-body .related-time {
            font-size: 13px;
            color: #9a9a9a;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
        }
        .related-card .related-body .related-time i {
            color: var(--gold);
            font-size: 12px;
        }

        /* 返回入口 */
        .back-entry {
            background: #ffffff;
            padding: 40px 0 48px;
            text-align: center;
            border-top: 1px solid var(--borderline);
        }
        .back-entry .back-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: 2px solid var(--emerald);
            color: var(--emerald);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
        }
        .back-entry .back-btn:hover {
            background: var(--emerald);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(30,127,92,0.25);
        }

        /* 订阅 CTA */
        .subscribe-cta {
            background: var(--ink);
            padding: 72px 0;
            border-top: 1px solid rgba(201,169,110,0.2);
        }
        .subscribe-cta .subscribe-inner {
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
        }
        .subscribe-cta h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--light);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .subscribe-cta .sub-text {
            font-size: 15px;
            color: rgba(245,243,238,0.7);
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
        }
        .subscribe-form input {
            flex: 1;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(201,169,110,0.3);
            border-radius: var(--radius-btn);
            padding: 12px 18px;
            color: var(--light);
            font-size: 15px;
            outline: none;
            transition: border-color var(--transition);
        }
        .subscribe-form input::placeholder {
            color: rgba(245,243,238,0.45);
        }
        .subscribe-form input:focus {
            border-color: var(--gold);
        }
        .subscribe-form button {
            background: var(--emerald);
            color: #ffffff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            background: #25a06e;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(30,127,92,0.35);
        }
        .subscribe-note {
            font-size: 13px;
            color: rgba(245,243,238,0.5);
            margin-top: 14px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--ink);
            border-top: 1px solid var(--gold);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--light);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand h3 .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--gold);
            border-radius: 50%;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(245,243,238,0.65);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--gold);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(245,243,238,0.7);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(245,243,238,0.45);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-links { gap: 18px; }
            .nav-links a { font-size: 14px; }
            .nav-search { min-width: 160px; max-width: 200px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
        }
        @media (max-width: 768px) {
            .nav-links, .nav-search, .nav-cta {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-container {
                height: 60px;
            }
            .mobile-nav {
                top: 60px;
            }
            section {
                padding: 48px 0;
            }
            .article-hero {
                padding: 36px 0 32px;
            }
            .article-hero h1 {
                font-size: 26px;
            }
            .article-body-card {
                padding: 28px 20px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .subscribe-form {
                flex-direction: column;
                gap: 10px;
            }
            .subscribe-form button {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .breadcrumb .current {
                max-width: 180px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }
            .article-hero h1 {
                font-size: 22px;
            }
            .article-body-card {
                padding: 20px 16px;
                border-radius: 10px;
            }
            .article-body-card .article-content {
                font-size: 15px;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
            .section-title {
                font-size: 22px;
            }
            .subscribe-cta h2 {
                font-size: 22px;
            }
            .footer-grid {
                gap: 20px;
            }
        }

/* roulang page: category1 */
:root {
            --ink: #0C1F1A;
            --emerald: #1E7F5C;
            --gold: #C9A96E;
            --ivory: #F7F5EF;
            --dark: #1A1A1A;
            --light: #F5F3EE;
            --muted: #6B6B6B;
            --borderline: #EBE9E3;
            --radius-card: 14px;
            --radius-btn: 9px;
            --shadow-card: 0 2px 12px rgba(12,31,26,0.06);
            --shadow-card-hover: 0 8px 24px rgba(12,31,26,0.12);
            --shadow-hero: 0 4px 20px rgba(12,31,26,0.18);
            --transition: 200ms ease;
            --container: 1200px;
            --section-pad: 72px 0;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: #ffffff;
            color: var(--dark);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        img { max-width: 100%; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        section { padding: var(--section-pad); }
        .section-badge {
            display: inline-block;
            background: rgba(30,127,92,0.09);
            color: var(--emerald);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
            border: 1px solid rgba(30,127,92,0.15);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 36px;
        }
        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--ink);
            border-bottom: 1px solid var(--gold);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(12,31,26,0.35);
        }
        .nav-container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 19px;
            font-weight: 700;
            color: var(--light);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .nav-logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--gold);
            border-radius: 50%;
            margin-right: 2px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: rgba(245,243,238,0.8);
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--gold);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(201,169,110,0.25);
            border-radius: 20px;
            padding: 7px 14px;
            min-width: 200px;
            max-width: 240px;
            transition: border-color var(--transition), background var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--gold);
            background: rgba(255,255,255,0.12);
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--light);
            font-size: 14px;
            width: 100%;
            outline: none;
        }
        .nav-search input::placeholder {
            color: rgba(245,243,238,0.45);
        }
        .nav-search .search-icon {
            color: var(--gold);
            flex-shrink: 0;
            font-size: 14px;
        }
        .nav-cta {
            background: var(--emerald);
            color: #ffffff;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            white-space: nowrap;
            display: inline-block;
        }
        .nav-cta:hover {
            background: #25a06e;
            transform: translateY(-2px);
            color: #ffffff;
            box-shadow: 0 6px 18px rgba(30,127,92,0.35);
        }
        .nav-cta:focus {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 6px;
        }
        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--light);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .menu-toggle.active span:nth-child(2) { opacity: 0; }
        .menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
        .mobile-nav {
            display: none;
            background: var(--ink);
            border-bottom: 1px solid var(--gold);
            padding: 16px 24px;
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mobile-nav ul li {
            margin-bottom: 12px;
        }
        .mobile-nav ul li a {
            color: rgba(245,243,238,0.85);
            font-size: 16px;
            font-weight: 500;
            display: block;
            padding: 6px 0;
        }
        .mobile-nav ul li a:hover, .mobile-nav ul li a.active {
            color: var(--gold);
        }
        /* 分类页头部窄横幅 */
        .cat-hero {
            background: var(--ink);
            padding: 56px 0 48px;
            border-bottom: 1px solid rgba(201,169,110,0.4);
            position: relative;
            overflow: hidden;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold), rgba(201,169,110,0.2));
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(245,243,238,0.55);
            margin-bottom: 18px;
        }
        .breadcrumb a {
            color: rgba(245,243,238,0.7);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--gold);
        }
        .breadcrumb .sep {
            color: var(--gold);
        }
        .cat-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--light);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .cat-hero .cat-hero-desc {
            font-size: 16px;
            color: rgba(245,243,238,0.65);
            max-width: 640px;
            line-height: 1.7;
        }
        /* 横向入口条 */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 0;
        }
        .entry-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition);
            border: 1px solid transparent;
            position: relative;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(201,169,110,0.4);
        }
        .entry-card .entry-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(30,127,92,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--emerald);
            font-size: 20px;
        }
        .entry-card .entry-info {
            flex: 1;
            min-width: 0;
        }
        .entry-card .entry-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 2px;
        }
        .entry-card .entry-arrow {
            color: var(--gold);
            font-size: 18px;
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .entry-card:hover .entry-arrow {
            transform: translateX(4px);
        }
        /* 排序工具条 */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 28px;
            padding: 16px 0;
            border-bottom: 1px solid var(--borderline);
        }
        .filter-label {
            font-size: 14px;
            color: var(--muted);
            font-weight: 500;
            margin-right: 4px;
        }
        .filter-btn {
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            border: 1px solid var(--borderline);
            background: #ffffff;
            transition: all var(--transition);
        }
        .filter-btn:hover {
            border-color: var(--emerald);
            color: var(--emerald);
        }
        .filter-btn.active {
            background: var(--emerald);
            color: #ffffff;
            border-color: var(--emerald);
        }
        /* 内容卡片网格 */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .content-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            border: 1px solid rgba(235,233,227,0.8);
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(201,169,110,0.45);
        }
        .content-card .card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
            background: var(--ivory);
        }
        .content-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms ease;
        }
        .content-card:hover .card-img img {
            transform: scale(1.04);
        }
        .content-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(12,31,26,0.8);
            color: var(--gold);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
        }
        .content-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .content-card .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .content-card .card-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--muted);
        }
        /* 热门标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-item {
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            border: 1px solid var(--borderline);
            background: #ffffff;
            transition: all var(--transition);
            display: inline-block;
        }
        .tag-item:hover {
            background: var(--emerald);
            color: #ffffff;
            border-color: var(--emerald);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(30,127,92,0.25);
        }
        /* 数据说明条 */
        .data-strip {
            background: var(--ivory);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .data-item {
            text-align: center;
        }
        .data-item .data-num {
            font-size: 30px;
            font-weight: 700;
            color: var(--emerald);
            line-height: 1.2;
        }
        .data-item .data-label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 6px;
        }
        /* 相邻分类入口 */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            padding: 22px 20px;
            border: 1px solid var(--borderline);
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition);
        }
        .related-card:hover {
            border-color: rgba(30,127,92,0.4);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .related-card .related-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(201,169,110,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 18px;
            flex-shrink: 0;
        }
        .related-card .related-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
        }
        .related-card .related-desc {
            font-size: 12px;
            color: var(--muted);
        }
        .related-card .related-arrow {
            margin-left: auto;
            color: var(--gold);
            font-size: 16px;
        }
        /* 订阅 CTA */
        .cta-banner {
            background: var(--ink);
            border-radius: 16px;
            padding: 48px 40px;
            text-align: center;
            margin: 0 auto;
            max-width: 900px;
            border: 1px solid rgba(201,169,110,0.3);
        }
        .cta-banner h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--light);
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .cta-banner p {
            font-size: 15px;
            color: rgba(245,243,238,0.6);
            margin-bottom: 24px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
        }
        .cta-form input {
            flex: 1;
            padding: 12px 18px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(201,169,110,0.35);
            background: rgba(255,255,255,0.08);
            color: var(--light);
            outline: none;
            font-size: 14px;
            transition: all var(--transition);
        }
        .cta-form input::placeholder {
            color: rgba(245,243,238,0.4);
        }
        .cta-form input:focus {
            border-color: var(--gold);
            background: rgba(255,255,255,0.12);
        }
        .cta-form button {
            background: var(--emerald);
            color: #ffffff;
            font-size: 14px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .cta-form button:hover {
            background: #25a06e;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(30,127,92,0.35);
        }
        /* 空态 */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            background: var(--ivory);
            border-radius: var(--radius-card);
        }
        .empty-state .empty-icon {
            font-size: 42px;
            color: var(--emerald);
            margin-bottom: 12px;
        }
        .empty-state p {
            font-size: 15px;
            color: var(--muted);
        }
        /* 页脚 */
        .site-footer {
            background: var(--ink);
            border-top: 1px solid var(--gold);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(201,169,110,0.2);
        }
        .footer-brand h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--light);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand h3 .logo-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            background: var(--gold);
            border-radius: 50%;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(245,243,238,0.55);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--gold);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 9px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(245,243,238,0.55);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(245,243,238,0.4);
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-links { gap: 18px; }
            .nav-search { min-width: 160px; max-width: 200px; }
            .entry-grid { grid-template-columns: repeat(2, 1fr); }
            .content-grid { grid-template-columns: repeat(2, 1fr); }
            .data-strip { grid-template-columns: repeat(2, 1fr); }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
        }
        @media (max-width: 768px) {
            .nav-container { height: 60px; }
            .nav-links { display: none; }
            .nav-search { display: none; }
            .nav-cta { display: none; }
            .menu-toggle { display: flex; }
            .mobile-nav { display: none; }
            .mobile-nav.open { display: block; }
            .cat-hero h1 { font-size: 26px; }
            .cat-hero { padding: 36px 0 32px; }
            .entry-grid { grid-template-columns: 1fr; }
            .content-grid { grid-template-columns: 1fr; }
            .data-strip { grid-template-columns: 1fr 1fr; padding: 20px; }
            .related-grid { grid-template-columns: 1fr; }
            .cta-banner { padding: 32px 20px; }
            .cta-banner h2 { font-size: 22px; }
            .cta-form { flex-direction: column; }
            section { padding: 48px 0; }
            .section-title { font-size: 24px; }
            .footer-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .cat-hero h1 { font-size: 22px; }
            .data-strip { grid-template-columns: 1fr; gap: 16px; }
            .entry-card { padding: 18px 16px; }
            .content-card .card-body { padding: 14px 16px 16px; }
            .section-title { font-size: 21px; }
        }