/* roulang page: index */
:root {
            --primary: #C93A3A;
            --primary-dark: #A62E2E;
            --primary-light: #FBE9E7;
            --accent: #F5A623;
            --accent-light: #FEF7E9;
            --trust: #1F7A5C;
            --trust-light: #E4F2ED;
            --bg: #FAF7F2;
            --bg-dark: #232323;
            --bg-card: #FFFFFF;
            --text-primary: #1C1C1C;
            --text-body: #4A4A4A;
            --text-muted: #8A8A8A;
            --border: #E9E0D4;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --shadow-card: 0 2px 12px rgba(28, 28, 28, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(201, 58, 58, 0.12);
            --shadow-panel: 0 4px 16px rgba(35, 35, 35, 0.08);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Source Han Serif CN', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --sidebar-width: 280px;
            --header-height: 72px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-serif);
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.3;
        }

        h1 { font-size: clamp(2rem, 3.5vw, 2.5rem); }
        h2 { font-size: clamp(1.5rem, 2.5vw, 1.8rem); }
        h3 { font-size: 1.125rem; }
        p { margin-bottom: 0.75rem; }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover { color: var(--primary); }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button { cursor: pointer; border: none; background: none; }
        input, select, textarea {
            border: 1px solid var(--border);
            background: #fff;
            border-radius: var(--radius-input);
            padding: 0.65rem 1rem;
            width: 100%;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        input:focus, select:focus, textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(201, 58, 58, 0.1);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: #fff;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 24px;
            gap: 16px;
            box-shadow: 0 1px 6px rgba(28, 28, 28, 0.04);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            white-space: nowrap;
            min-width: 180px;
        }
        .logo i {
            font-size: 26px;
            color: var(--primary);
        }
        .header-search {
            flex: 1;
            max-width: 280px;
            min-width: 120px;
            position: relative;
        }
        .header-search input {
            padding-left: 38px;
            height: 40px;
            border-radius: 12px;
            background: #faf7f2;
            border-color: var(--border);
            font-size: 14px;
        }
        .header-search i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
        }
        .header-selects {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-left: auto;
        }
        .header-selects select {
            width: auto;
            max-width: 110px;
            padding: 0.4rem 0.8rem;
            font-size: 13px;
            border-radius: 999px;
            border-color: var(--border);
            background: #fff;
            cursor: pointer;
        }
        .header-selects select:hover { border-color: var(--primary); }
        .mobile-menu-btn {
            display: none;
            font-size: 22px;
            color: var(--text-primary);
            padding: 8px;
            background: var(--bg);
            border-radius: 8px;
            transition: background var(--transition);
        }
        .mobile-menu-btn:hover { background: var(--primary-light); }

        .main-nav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 0 24px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .main-nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            gap: 4px;
            align-items: center;
            min-width: max-content;
        }
        .main-nav a {
            display: inline-block;
            padding: 12px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--primary);
        }
        .main-nav a.active::after,
        .main-nav a:hover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }

        /* Sidebar */
        .layout-wrapper {
            display: flex;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
        }
        .sidebar {
            width: var(--sidebar-width);
            min-width: var(--sidebar-width);
            background: #fff;
            border-right: 1px solid var(--border);
            min-height: calc(100vh - var(--header-height) - 45px);
            position: sticky;
            top: calc(var(--header-height) + 45px);
            height: calc(100vh - var(--header-height) - 45px);
            overflow-y: auto;
            padding: 20px 12px;
            z-index: 900;
        }
        .sidebar-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            padding: 0 12px 12px;
            letter-spacing: 0.5px;
        }
        .sidebar-group {
            margin-bottom: 16px;
        }
        .sidebar-group-label {
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--text-muted);
            padding: 0 12px 8px;
        }
        .sidebar-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 9px 12px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-body);
            transition: all var(--transition);
            position: relative;
        }
        .sidebar-item:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .sidebar-item.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .sidebar-item.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--primary);
            border-radius: 0 3px 3px 0;
        }
        .sidebar-item i {
            font-size: 15px;
            width: 20px;
            text-align: center;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .sidebar-item:hover i,
        .sidebar-item.active i { color: var(--primary); }

        .main-content {
            flex: 1;
            min-width: 0;
            padding: 32px 24px;
        }

        /* Sidebar overlay for mobile */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 890;
        }
        .sidebar-overlay.active { display: block; }

        /* Hero */
        .hero {
            position: relative;
            background: url('/assets/images/5a7490d9317b90d7.webp') center/cover no-repeat;
            border-radius: var(--radius-card);
            overflow: hidden;
            padding: 48px 40px;
            color: #fff;
            margin-bottom: 32px;
            min-height: 480px;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(201, 58, 58, 0.92) 0%, rgba(35, 35, 35, 0.88) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 60%;
        }
        .hero h1 {
            color: #fff;
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            margin-bottom: 16px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }
        .hero-subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.92);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0.65rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(201, 58, 58, 0.35);
        }
        .btn-gold {
            background: var(--accent);
            color: #1C1C1C;
        }
        .btn-gold:hover {
            background: #d9961b;
            color: #1C1C1C;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(245, 166, 35, 0.35);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.8);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
        }
        .version-timeline {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-top: 16px;
        }
        .version-node {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            color: #fff;
            font-weight: 500;
        }
        .version-node i {
            color: var(--accent);
            font-size: 13px;
        }
        .version-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .hero-query-card {
            position: relative;
            z-index: 2;
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            width: 35%;
            min-width: 300px;
            margin-left: auto;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
            color: var(--text-body);
        }
        .hero-query-card h3 {
            font-size: 17px;
            margin-bottom: 14px;
            text-align: center;
            color: var(--text-primary);
        }
        .hero-query-card .form-group {
            margin-bottom: 12px;
        }
        .hero-query-card label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-body);
            display: block;
            margin-bottom: 4px;
        }
        .hero-query-card .btn {
            width: 100%;
            margin-top: 8px;
        }
        .quick-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 12px;
            justify-content: center;
        }
        .quick-tag {
            background: var(--bg);
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            color: var(--text-body);
            cursor: pointer;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .quick-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #fff;
        }

        /* Sections */
        .section {
            margin-bottom: 64px;
        }
        .section-header {
            margin-bottom: 28px;
            text-align: center;
        }
        .section-header h2 {
            font-size: clamp(1.4rem, 2.2vw, 1.8rem);
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Metrics */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--bg-dark);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-panel);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .metric-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(35, 35, 35, 0.2);
        }
        .metric-value {
            font-size: clamp(2rem, 3vw, 2.6rem);
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-serif);
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .metric-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }
        .metric-desc {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 6px;
        }

        /* Hot lottery cards */
        .hot-lottery-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }
        .lottery-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 12px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .lottery-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .lottery-card img {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            object-fit: cover;
            margin-bottom: 10px;
            border: 2px solid var(--accent);
        }
        .lottery-card h3 {
            font-size: 15px;
            margin-bottom: 4px;
        }
        .lottery-card .next-time {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .lottery-card .btn-sm {
            font-size: 12px;
            padding: 0.35rem 0.8rem;
            border-radius: 8px;
            background: var(--bg);
            color: var(--primary);
            border: 1px solid var(--border);
            font-weight: 600;
            transition: all var(--transition);
        }
        .lottery-card .btn-sm:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* Service matrix */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .service-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .service-card i {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 12px;
            display: block;
        }
        .service-card h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }
        .service-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* Comparison */
        .comparison-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .comparison-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: all var(--transition);
        }
        .comparison-card.highlight {
            border-color: var(--primary);
            background: #fffafa;
            position: relative;
        }
        .comparison-card.highlight::after {
            content: '热门';
            position: absolute;
            top: 12px;
            right: 16px;
            background: var(--accent);
            color: #1C1C1C;
            font-size: 12px;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 999px;
        }
        .comparison-card h3 {
            font-size: 17px;
            margin-bottom: 10px;
        }
        .comparison-card .prob {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-serif);
            margin-bottom: 6px;
        }
        .comparison-card .freq {
            font-size: 13px;
            color: var(--text-body);
            margin-bottom: 10px;
        }
        .comparison-card .difficulty {
            font-size: 12px;
            color: var(--text-muted);
            padding-top: 10px;
            border-top: 1px dashed var(--border);
        }

        /* Milestone */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 32px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
        }
        .timeline-item {
            position: relative;
            padding: 0 0 28px 20px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -25px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid #fff;
            box-shadow: 0 0 0 3px rgba(201, 58, 58, 0.2);
        }
        .timeline-item:last-child { padding-bottom: 0; }
        .timeline-item .time {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .timeline-item .title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* Brand intro */
        .brand-intro {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 32px 36px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
        }
        .brand-intro h2 {
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        .brand-intro p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-body);
            margin-bottom: 12px;
        }

        /* News */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .news-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
        }
        .news-item img {
            width: 100px;
            height: 72px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-item-content {
            flex: 1;
        }
        .news-item .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 4px;
        }
        .news-item h3 {
            font-size: 16px;
            margin-bottom: 6px;
        }
        .news-item p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .news-item .btn-readmore {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            transition: color var(--transition);
        }
        .news-item .btn-readmore:hover { color: var(--primary-dark); }

        /* Guarantee */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .guarantee-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .guarantee-card:hover {
            border-color: var(--trust);
            box-shadow: 0 8px 20px rgba(31, 122, 92, 0.12);
            transform: translateY(-3px);
        }
        .guarantee-card i {
            font-size: 28px;
            color: var(--trust);
            margin-bottom: 10px;
            display: block;
        }
        .guarantee-card h3 {
            font-size: 15px;
            margin-bottom: 6px;
        }
        .guarantee-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* Quick FAQ */
        .quick-faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .quick-faq-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
        }
        .quick-faq-card .q {
            font-weight: 700;
            font-size: 15px;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .quick-faq-card .a {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* FAQ accordion */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.open {
            border-color: var(--primary);
            background: #FDF9F5;
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            transition: color var(--transition);
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
        }
        .faq-question .faq-toggle {
            margin-left: auto;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-toggle { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px 0 56px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 16px;
        }

        /* Data trend preview */
        .trend-preview {
            display: flex;
            gap: 28px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }
        .trend-preview img {
            width: 55%;
            border-radius: 12px;
            object-fit: cover;
            height: 260px;
        }
        .trend-preview .trend-info {
            flex: 1;
        }
        .trend-preview .trend-info h3 {
            font-size: 18px;
            margin-bottom: 12px;
        }
        .trend-preview .trend-info ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .trend-preview .trend-info li {
            font-size: 14px;
            color: var(--text-body);
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .trend-preview .trend-info li i {
            color: var(--accent);
            font-size: 13px;
        }

        /* Form */
        .subscribe-section {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 36px;
            box-shadow: var(--shadow-card);
        }
        .subscribe-section h2 {
            text-align: center;
            margin-bottom: 12px;
        }
        .subscribe-section .sub-desc {
            text-align: center;
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 24px;
        }
        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            max-width: 700px;
            margin: 0 auto;
        }
        .subscribe-form .form-group {
            flex: 1;
            min-width: 150px;
        }
        .subscribe-form label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-body);
            display: block;
            margin-bottom: 4px;
        }
        .subscribe-form .btn {
            min-width: 160px;
            align-self: flex-end;
        }
        .success-msg {
            display: none;
            text-align: center;
            margin-top: 16px;
            color: var(--trust);
            font-size: 14px;
            font-weight: 600;
            background: var(--trust-light);
            padding: 10px 18px;
            border-radius: 10px;
        }
        .success-msg.show { display: block; }

        /* Bottom CTA */
        .bottom-cta {
            background: var(--bg-dark);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            text-align: center;
            color: #fff;
        }
        .bottom-cta h2 {
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: 8px;
        }
        .bottom-cta p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
            font-size: 15px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 24px 0;
            margin-top: 64px;
        }
        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-grid h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 16px;
        }
        .footer-grid p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 8px;
        }
        .footer-grid a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-grid a:hover { color: var(--accent); }
        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 0 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover { color: var(--accent); }

        /* Section alternating background */
        .section-alt {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 36px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content { max-width: 100%; }
            .hero-query-card { width: 100%; min-width: auto; margin-left: 0; margin-top: 20px; }
            .hero { flex-direction: column; align-items: stretch; padding: 32px 24px; }
            .metrics-grid { grid-template-columns: repeat(2, 1fr); }
            .hot-lottery-grid { grid-template-columns: repeat(3, 1fr); }
            .service-grid { grid-template-columns: repeat(3, 1fr); }
            .comparison-grid { grid-template-columns: repeat(2, 1fr); }
            .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
            .quick-faq-grid { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .site-header { height: auto; padding: 12px 16px; flex-wrap: wrap; }
            .logo { min-width: auto; font-size: 18px; }
            .header-search { order: 3; max-width: 100%; flex-basis: 100%; }
            .header-selects { margin-left: auto; }
            .mobile-menu-btn { display: block; }
            .main-nav { display: none; }
            .main-nav.open { display: block; }
            .sidebar {
                position: fixed;
                top: 0;
                left: -100%;
                height: 100vh;
                min-height: 100vh;
                width: 280px;
                z-index: 950;
                transition: left 0.3s ease;
                border-right: 1px solid var(--border);
                box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
            }
            .sidebar.open { left: 0; }
            .main-content { padding: 20px 16px; }
            .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            .metric-card { padding: 16px 12px; }
            .hot-lottery-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            .service-grid { grid-template-columns: 1fr; gap: 12px; }
            .comparison-grid { grid-template-columns: 1fr; gap: 12px; }
            .guarantee-grid { grid-template-columns: 1fr; gap: 12px; }
            .quick-faq-grid { grid-template-columns: 1fr; }
            .news-item { flex-direction: column; }
            .news-item img { width: 100%; height: 120px; }
            .trend-preview { flex-direction: column; }
            .trend-preview img { width: 100%; height: 200px; }
            .subscribe-form { flex-direction: column; }
            .subscribe-form .btn { width: 100%; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
            .hero-query-card { padding: 18px; }
            .version-timeline { flex-wrap: wrap; }
            .brand-intro, .subscribe-section, .section-alt { padding: 20px; }
        }

        @media (max-width: 520px) {
            body { font-size: 14px; }
            h1 { font-size: 1.6rem; }
            h2 { font-size: 1.3rem; }
            .container { padding: 0 12px; }
            .metrics-grid { grid-template-columns: 1fr; }
            .hot-lottery-grid { grid-template-columns: 1fr; }
            .quick-tags { gap: 4px; }
            .quick-tag { font-size: 11px; padding: 3px 8px; }
            .btn { font-size: 14px; padding: 0.55rem 1rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .section { margin-bottom: 40px; }
            .hero { min-height: auto; padding: 24px 16px; }
            .hero-actions { flex-direction: column; }
            .hero-actions .btn { width: 100%; }
        }

/* roulang page: category1 */
:root {
      --primary: #C93A3A;
      --primary-dark: #A62E2E;
      --primary-light: #FBE9E7;
      --accent: #F5A623;
      --accent-light: #FEF7E9;
      --trust: #1F7A5C;
      --trust-light: #E4F2ED;
      --bg: #FAF7F2;
      --bg-dark: #232323;
      --bg-card: #FFFFFF;
      --text-primary: #1C1C1C;
      --text-body: #4A4A4A;
      --text-muted: #8A8A8A;
      --border: #E9E0D4;
      --radius-card: 16px;
      --radius-btn: 12px;
      --radius-input: 10px;
      --shadow-card: 0 2px 12px rgba(28, 28, 28, 0.06);
      --shadow-card-hover: 0 8px 24px rgba(201, 58, 58, 0.12);
      --shadow-panel: 0 4px 16px rgba(35, 35, 35, 0.08);
      --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Source Han Serif CN', 'SimSun', serif;
      --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      --sidebar-width: 280px;
      --header-height: 72px;
      --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }
    body {
      font-family: var(--font-sans);
      font-size: 15px;
      line-height: 1.75;
      color: var(--text-body);
      background-color: var(--bg);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition);
    }
    a:hover { color: var(--primary); }
    a:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 3px;
      border-radius: 4px;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, select, textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
      color: inherit;
    }
    button { cursor: pointer; border: none; background: none; }
    input, select, textarea {
      border: 1px solid var(--border);
      background: #fff;
      border-radius: var(--radius-input);
      padding: 0.65rem 1rem;
      width: 100%;
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    input:focus, select:focus, textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(201, 58, 58, 0.1);
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      height: var(--header-height);
      background: #fff;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      padding: 0 24px;
      gap: 16px;
      box-shadow: 0 1px 6px rgba(28, 28, 28, 0.04);
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-family: var(--font-serif);
      font-weight: 700;
      font-size: 22px;
      color: var(--primary);
      white-space: nowrap;
      min-width: 180px;
    }
    .logo i { font-size: 26px; color: var(--primary); }
    .header-search {
      flex: 1;
      max-width: 280px;
      min-width: 120px;
      position: relative;
    }
    .header-search input {
      padding-left: 38px;
      height: 40px;
      border-radius: 12px;
      background: #faf7f2;
      border-color: var(--border);
      font-size: 14px;
    }
    .header-search i {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 14px;
    }
    .header-selects {
      display: flex;
      gap: 8px;
      align-items: center;
      margin-left: auto;
    }
    .header-selects select {
      width: auto;
      max-width: 110px;
      padding: 0.4rem 0.8rem;
      font-size: 13px;
      border-radius: 999px;
      border-color: var(--border);
      background: #fff;
      cursor: pointer;
    }
    .header-selects select:hover { border-color: var(--primary); }
    .mobile-menu-btn {
      display: none;
      font-size: 22px;
      color: var(--text-primary);
      padding: 8px;
      background: var(--bg);
      border-radius: 8px;
      transition: background var(--transition);
    }
    .mobile-menu-btn:hover { background: var(--primary-light); }
    .main-nav {
      background: #fff;
      border-bottom: 1px solid var(--border);
      padding: 0 24px;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
    }
    .main-nav-inner {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      gap: 4px;
      align-items: center;
      min-width: max-content;
    }
    .main-nav a {
      display: inline-block;
      padding: 12px 18px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      position: relative;
      white-space: nowrap;
      transition: color var(--transition);
    }
    .main-nav a:hover,
    .main-nav a.active { color: var(--primary); }
    .main-nav a.active::after,
    .main-nav a:hover::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 0;
      height: 2px;
      background: var(--primary);
    }
    .layout-shell {
      display: flex;
      gap: 32px;
      align-items: flex-start;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .sidebar {
      width: var(--sidebar-width);
      flex: 0 0 var(--sidebar-width);
      position: sticky;
      top: calc(var(--header-height) + 44px);
      max-height: calc(100vh - var(--header-height) - 44px);
      overflow-y: auto;
      padding: 20px 0 40px;
      scrollbar-width: thin;
      scrollbar-color: #d9cdc0 transparent;
    }
    .sidebar::-webkit-scrollbar { width: 4px; }
    .sidebar::-webkit-scrollbar-thumb { background: #d9cdc0; border-radius: 999px; }
    .sidebar-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-primary);
      padding: 0 0 10px;
      letter-spacing: 0.08em;
    }
    .sidebar-group {
      margin-bottom: 18px;
    }
    .sidebar-group h4 {
      font-size: 12px;
      font-weight: 700;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.12em;
      padding: 8px 10px;
    }
    .sidebar-group a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 9px 14px;
      border-radius: 10px;
      font-size: 14px;
      color: var(--text-body);
      transition: all var(--transition);
      margin: 2px 0;
    }
    .sidebar-group a:hover {
      background: var(--primary-light);
      color: var(--primary);
    }
    .sidebar-group a.active {
      background: var(--primary-light);
      color: var(--primary);
      box-shadow: inset 3px 0 0 var(--primary);
    }
    .sidebar-group a i {
      font-size: 12px;
      color: var(--text-muted);
    }
    .content {
      flex: 1;
      min-width: 0;
      padding: 32px 0 64px;
    }
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 14px;
      flex-wrap: wrap;
    }
    .breadcrumb a:hover { color: var(--primary); }
    .breadcrumb i { font-size: 12px; }
    .page-header {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 26px 26px;
      margin-bottom: 28px;
      box-shadow: var(--shadow-card);
    }
    .page-header h1 {
      font-family: var(--font-serif);
      font-size: 32px;
      line-height: 1.3;
      color: var(--text-primary);
      font-weight: 700;
      margin-bottom: 12px;
    }
    .page-header p {
      font-size: 16px;
      color: var(--text-body);
      max-width: 820px;
      line-height: 1.8;
    }
    .chart-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 22px;
      box-shadow: var(--shadow-card);
      transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
    }
    .chart-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-4px);
    }
    .chart-card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 14px;
    }
    .chart-card-header h2 {
      font-family: var(--font-serif);
      font-size: 20px;
      color: var(--text-primary);
      font-weight: 700;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 4px 12px;
      font-size: 12px;
      font-weight: 600;
      background: var(--accent-light);
      color: #9A6A00;
      border: 1px solid #F3DCA1;
      white-space: nowrap;
    }
    .badge.trust {
      background: var(--trust-light);
      color: var(--trust);
      border-color: #C7E3D9;
    }
    .chart-visual {
      min-height: 180px;
      background: linear-gradient(145deg, #FDF9F5, #FAF2EA);
      border-radius: 12px;
      border: 1px solid #F0E6D9;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      position: relative;
    }
    .chart-visual img {
      width: 100%;
      height: 170px;
      object-fit: cover;
      opacity: 0.95;
    }
    .chart-visual::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 40%;
      background: linear-gradient(180deg, rgba(255,255,255,0), rgba(35,35,35,0.4));
      pointer-events: none;
    }
    .chart-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 12px;
    }
    .chart-meta span {
      font-size: 13px;
      color: var(--text-muted);
      background: var(--bg);
      padding: 6px 12px;
      border-radius: 999px;
      border: 1px solid var(--border);
    }
    .data-list-section {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 24px;
      box-shadow: var(--shadow-card);
      margin-top: 24px;
    }
    .data-list-section h2 {
      font-family: var(--font-serif);
      font-size: 24px;
      color: var(--text-primary);
      font-weight: 700;
      margin-bottom: 18px;
    }
    .data-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 16px 0;
      border-bottom: 1px solid #F0E6D9;
    }
    .data-row:last-child {
      border-bottom: none;
    }
    .data-row-left {
      display: flex;
      align-items: center;
      gap: 14px;
      min-width: 0;
    }
    .data-index {
      width: 34px;
      height: 34px;
      border-radius: 999px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
      flex-shrink: 0;
    }
    .data-title {
      font-weight: 600;
      color: var(--text-primary);
      font-size: 15px;
      line-height: 1.4;
    }
    .data-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .data-tag {
      flex-shrink: 0;
      font-size: 12px;
      color: var(--text-muted);
      background: var(--bg);
      padding: 4px 10px;
      border-radius: 999px;
      border: 1px solid var(--border);
    }
    .section-action {
      display: flex;
      justify-content: flex-end;
      margin-top: 22px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: var(--radius-btn);
      padding: 11px 22px;
      font-weight: 600;
      font-size: 14px;
      transition: all var(--transition);
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 6px 16px rgba(201, 58, 58, 0.18);
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      color: #fff;
      box-shadow: 0 10px 22px rgba(166, 46, 46, 0.22);
      transform: translateY(-2px);
    }
    .btn-outline {
      background: #fff;
      border: 1px solid var(--border);
      color: var(--text-primary);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: var(--primary-light);
    }
    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      margin: 18px 0;
    }
    .filter-bar select,
    .filter-bar input {
      max-width: 180px;
      background: var(--bg);
      border-radius: 999px;
      padding: 8px 14px;
      font-size: 13px;
      border-color: var(--border);
    }
    .filter-bar label {
      font-size: 13px;
      color: var(--text-muted);
    }
    .data-panel {
      background: var(--bg-dark);
      border-radius: var(--radius-card);
      padding: 26px;
      margin-top: 28px;
      box-shadow: var(--shadow-panel);
      color: rgba(255,255,255,0.86);
    }
    .data-panel h2 {
      font-family: var(--font-serif);
      font-size: 22px;
      color: #fff;
      font-weight: 700;
      margin-bottom: 14px;
    }
    .data-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-bottom: 16px;
    }
    .data-stat {
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 12px;
      padding: 16px;
    }
    .data-stat strong {
      display: block;
      font-size: 30px;
      color: var(--accent);
      font-family: var(--font-serif);
      line-height: 1.2;
    }
    .data-stat span {
      font-size: 12px;
      color: rgba(255,255,255,0.6);
    }
    .notice {
      background: var(--trust-light);
      border-left: 4px solid var(--trust);
      border-radius: 0 12px 12px 0;
      padding: 16px 18px;
      color: #12543F;
      font-size: 14px;
      line-height: 1.7;
      margin-top: 24px;
    }
    .subscribe-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 26px;
      box-shadow: var(--shadow-card);
      margin-top: 28px;
    }
    .subscribe-card h2 {
      font-family: var(--font-serif);
      font-size: 22px;
      color: var(--text-primary);
      font-weight: 700;
      margin-bottom: 8px;
    }
    .subscribe-card p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 18px;
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr auto;
      gap: 12px;
      align-items: center;
    }
    .site-footer {
      background: var(--bg-dark);
      color: #ddd6cc;
      padding: 48px 24px 20px;
      border-top: 4px solid var(--primary);
    }
    .footer-grid {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 28px;
      margin-bottom: 32px;
    }
    .footer-grid h4 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 12px;
      font-weight: 700;
    }
    .footer-grid p {
      font-size: 13px;
      line-height: 1.8;
      color: rgba(255,255,255,0.62);
      max-width: 280px;
    }
    .footer-grid a {
      display: block;
      color: rgba(255,255,255,0.7);
      font-size: 13px;
      line-height: 2;
      transition: color var(--transition);
    }
    .footer-grid a:hover { color: #fff; }
    .footer-bottom {
      max-width: 1200px;
      margin: 0 auto;
      border-top: 1px solid rgba(255,255,255,0.12);
      padding-top: 18px;
      display: flex;
      justify-content: space-between;
      gap: 10px;
      flex-wrap: wrap;
      font-size: 12px;
      color: rgba(255,255,255,0.55);
    }
    .footer-bottom a {
      color: rgba(255,255,255,0.7);
      transition: color var(--transition);
    }
    .footer-bottom a:hover { color: #fff; }
    @media (max-width: 1024px) {
      .sidebar {
        display: none;
      }
      .layout-shell {
        padding: 0 20px;
      }
      .content {
        padding: 24px 0 48px;
      }
      .data-stats {
        grid-template-columns: repeat(2, 1fr);
      }
      .form-grid {
        grid-template-columns: 1fr 1fr;
      }
      .form-grid .btn {
        grid-column: span 2;
      }
    }
    @media (max-width: 768px) {
      .site-header {
        padding: 0 16px;
        gap: 10px;
      }
      .logo {
        min-width: auto;
        font-size: 19px;
      }
      .header-selects {
        display: none;
      }
      .mobile-menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }
      .main-nav {
        padding: 0 12px;
      }
      .main-nav-inner {
        gap: 0;
      }
      .main-nav a {
        padding: 10px 14px;
        font-size: 14px;
      }
      .main-nav a.active::after,
      .main-nav a:hover::after {
        left: 14px;
        right: 14px;
      }
      .layout-shell {
        display: block;
        padding: 0 16px;
      }
      .content {
        padding: 16px 0 40px;
      }
      .page-header h1 {
        font-size: 26px;
      }
      .page-header p {
        font-size: 14px;
      }
      .chart-card {
        padding: 18px;
      }
      .data-stats {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
      }
      .data-stat strong {
        font-size: 24px;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-grid .btn {
        grid-column: auto;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
      }
    }
    @media (max-width: 520px) {
      .container,
      .layout-shell {
        padding: 0 12px;
      }
      .page-header {
        padding: 20px;
      }
      .page-header h1 {
        font-size: 22px;
      }
      .data-stats {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 16px;
      }
      .data-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
      .data-tag {
        align-self: flex-start;
      }
      .chart-visual img {
        height: 130px;
      }
      .btn {
        width: 100%;
      }
    }

/* roulang page: category3 */
:root {
            --primary: #C93A3A;
            --primary-dark: #A62E2E;
            --primary-light: #FBE9E7;
            --accent: #F5A623;
            --accent-light: #FEF7E9;
            --trust: #1F7A5C;
            --trust-light: #E4F2ED;
            --bg: #FAF7F2;
            --bg-dark: #232323;
            --bg-card: #FFFFFF;
            --text-primary: #1C1C1C;
            --text-body: #4A4A4A;
            --text-muted: #8A8A8A;
            --border: #E9E0D4;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --shadow-card: 0 2px 12px rgba(28, 28, 28, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(201, 58, 58, 0.12);
            --shadow-panel: 0 4px 16px rgba(35, 35, 35, 0.08);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Source Han Serif CN', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --sidebar-width: 280px;
            --header-height: 72px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            border: 1px solid var(--border);
            background: #fff;
            border-radius: var(--radius-input);
            padding: 0.65rem 1rem;
            width: 100%;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(201, 58, 58, 0.1);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: #fff;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 24px;
            gap: 16px;
            box-shadow: 0 1px 6px rgba(28, 28, 28, 0.04);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            white-space: nowrap;
            min-width: 180px;
        }
        .logo i {
            font-size: 26px;
            color: var(--primary);
        }
        .header-search {
            flex: 1;
            max-width: 280px;
            min-width: 120px;
            position: relative;
        }
        .header-search input {
            padding-left: 38px;
            height: 40px;
            border-radius: 12px;
            background: #faf7f2;
            border-color: var(--border);
            font-size: 14px;
        }
        .header-search i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
        }
        .header-selects {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-left: auto;
        }
        .header-selects select {
            width: auto;
            max-width: 110px;
            padding: 0.4rem 0.8rem;
            font-size: 13px;
            border-radius: 999px;
            border-color: var(--border);
            background: #fff;
            cursor: pointer;
        }
        .header-selects select:hover {
            border-color: var(--primary);
        }
        .mobile-menu-btn {
            display: none;
            font-size: 22px;
            color: var(--text-primary);
            padding: 8px;
            background: var(--bg);
            border-radius: 8px;
            transition: background var(--transition);
        }
        .mobile-menu-btn:hover {
            background: var(--primary-light);
        }
        .main-nav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 0 24px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .main-nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            gap: 4px;
            align-items: center;
            min-width: max-content;
        }
        .main-nav a {
            display: inline-block;
            padding: 12px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--primary);
        }
        .main-nav a.active::after,
        .main-nav a:hover::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 8px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        /* Sidebar */
        .sidebar {
            position: fixed;
            top: calc(var(--header-height) + 45px);
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: #fff;
            border-right: 1px solid var(--border);
            padding: 20px 16px;
            overflow-y: auto;
            z-index: 500;
            transition: transform var(--transition);
        }
        .sidebar-title {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 16px;
            color: var(--text-primary);
            padding: 0 8px 12px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-title i {
            color: var(--primary);
            font-size: 16px;
        }
        .sidebar-group {
            margin-bottom: 8px;
        }
        .sidebar-group-head {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            padding: 8px 10px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .sidebar-group-head:hover {
            background: var(--bg);
        }
        .sidebar-group-head i {
            font-size: 12px;
            transition: transform var(--transition);
        }
        .sidebar-group-head.collapsed i {
            transform: rotate(-90deg);
        }
        .sidebar-group-items {
            padding-left: 8px;
        }
        .sidebar-group-items a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 10px;
            font-size: 14px;
            color: var(--text-body);
            border-radius: 8px;
            transition: all var(--transition);
            border-left: 3px solid transparent;
        }
        .sidebar-group-items a:hover {
            background: var(--bg);
            color: var(--primary);
        }
        .sidebar-group-items a.active {
            background: var(--primary-light);
            color: var(--primary);
            border-left-color: var(--primary);
            font-weight: 500;
        }
        .sidebar-group-items a i {
            font-size: 12px;
            color: var(--text-muted);
        }
        .sidebar-group-items a.active i {
            color: var(--primary);
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 499;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .sidebar-overlay.show {
            opacity: 1;
        }
        /* Main content */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            padding: 32px 24px 0;
            min-height: 60vh;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            font-size: 10px;
        }
        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
        }
        .page-h1-wrap {
            margin-bottom: 32px;
        }
        .page-h1-wrap h1 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
            margin: 0 0 12px;
        }
        .page-h1-wrap p {
            font-size: 15px;
            color: var(--text-body);
            max-width: 680px;
            margin: 0;
        }
        /* Section */
        .section {
            margin-bottom: 48px;
        }
        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            gap: 16px;
            flex-wrap: wrap;
        }
        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.35;
        }
        .section-head .tag {
            font-size: 13px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 500;
        }
        /* Chart Card */
        .chart-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .chart-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .chart-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
            transform: translateY(-4px);
        }
        .chart-card-img {
            position: relative;
            height: 160px;
            overflow: hidden;
            background: var(--bg);
        }
        .chart-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .chart-card-img .badge-top {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            letter-spacing: 0.3px;
        }
        .chart-card-body {
            padding: 16px 20px 20px;
        }
        .chart-card-body h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .chart-card-body .summary {
            font-size: 14px;
            color: var(--text-body);
            margin: 0 0 12px;
            line-height: 1.6;
        }
        .metric-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }
        .metric-badge {
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 999px;
            background: var(--bg);
            color: var(--text-body);
            border: 1px solid var(--border);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .metric-badge.hot {
            background: var(--primary-light);
            color: var(--primary);
            border-color: #f3c5c2;
        }
        .metric-badge.cold {
            background: #edf2f7;
            color: #4a6fa5;
            border-color: #dce5ef;
        }
        .metric-badge.trend-up {
            background: var(--trust-light);
            color: var(--trust);
            border-color: #b8dcd0;
        }
        .metric-badge.accent {
            background: var(--accent-light);
            color: #b87a10;
            border-color: #f5deb3;
        }
        .chart-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            transition: color var(--transition);
        }
        .chart-card-link i {
            font-size: 12px;
            transition: transform var(--transition);
        }
        .chart-card-link:hover i {
            transform: translateX(4px);
        }
        /* Legend */
        .legend-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            padding: 16px 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 20px;
        }
        .legend-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-body);
        }
        .legend-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .legend-dot.red {
            background: var(--primary);
        }
        .legend-dot.gold {
            background: var(--accent);
        }
        .legend-dot.green {
            background: var(--trust);
        }
        .legend-dot.gray {
            background: #cbd5e1;
        }
        /* Data note */
        .data-note {
            background: var(--trust-light);
            border: 1px solid #b8dcd0;
            border-radius: var(--radius-card);
            padding: 16px 20px;
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .data-note i {
            color: var(--trust);
            font-size: 18px;
            margin-top: 2px;
            flex-shrink: 0;
        }
        .data-note-text {
            font-size: 14px;
            color: #1f5a48;
            line-height: 1.7;
        }
        .data-note-text strong {
            font-weight: 600;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: #fdf9f5;
        }
        .faq-question .num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .faq-question .arrow {
            margin-left: auto;
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .arrow {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px 60px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-body);
            margin: 0;
            line-height: 1.7;
        }
        /* CTA */
        .cta-box {
            background: var(--bg-dark);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-panel);
        }
        .cta-box-info h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }
        .cta-box-info p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 0.7rem 1.6rem;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(201, 58, 58, 0.35);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent);
            font-weight: 500;
            font-size: 14px;
            padding: 0.6rem 1.4rem;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(245, 166, 35, 0.5);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(245, 166, 35, 0.08);
        }
        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 24px 24px;
            margin-top: 64px;
        }
        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
        }
        .footer-grid h4 {
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }
        .footer-grid p {
            font-size: 13px;
            line-height: 1.7;
            margin: 0;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-grid a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-grid a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 32px auto 0;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .chart-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                top: var(--header-height);
                height: calc(100vh - var(--header-height));
                width: 280px;
                box-shadow: 4px 0 16px rgba(0, 0, 0, 0.08);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: block;
            }
            .main-wrapper {
                margin-left: 0;
                padding: 20px 16px 0;
            }
            .mobile-menu-btn {
                display: block;
            }
            .header-search {
                display: none;
            }
            .header-selects select {
                max-width: 90px;
                font-size: 12px;
                padding: 0.35rem 0.6rem;
            }
            .logo {
                font-size: 18px;
                min-width: auto;
                gap: 6px;
            }
            .logo i {
                font-size: 20px;
            }
            .site-header {
                padding: 0 16px;
                gap: 8px;
            }
            .main-nav {
                padding: 0 12px;
            }
            .main-nav a {
                padding: 10px 14px;
                font-size: 14px;
            }
            .page-h1-wrap h1 {
                font-size: 26px;
            }
            .section-head h2 {
                font-size: 20px;
            }
            .cta-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .chart-card-img {
                height: 130px;
            }
        }
        @media (max-width: 480px) {
            .section {
                margin-bottom: 32px;
            }
            .page-h1-wrap h1 {
                font-size: 22px;
            }
            .section-head h2 {
                font-size: 18px;
            }
            .chart-card-body {
                padding: 12px 14px 16px;
            }
            .chart-card-body h3 {
                font-size: 16px;
            }
            .legend-row {
                padding: 12px 14px;
                gap: 10px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 12px 44px;
            }
            .btn-primary {
                width: 100%;
                justify-content: center;
                font-size: 14px;
                padding: 0.65rem 1.2rem;
            }
            .btn-outline {
                width: 100%;
                justify-content: center;
                font-size: 13px;
            }
            .main-nav a {
                padding: 8px 12px;
                font-size: 13px;
            }
            .main-nav a.active::after,
            .main-nav a:hover::after {
                left: 12px;
                right: 12px;
                bottom: 4px;
            }
            .cta-box-info h3 {
                font-size: 19px;
            }
        }

/* roulang page: category4 */
:root{
      --primary:#C93A3A;
      --primary-dark:#A62E2E;
      --primary-light:#FBE9E7;
      --accent:#F5A623;
      --accent-light:#FEF7E9;
      --trust:#1F7A5C;
      --trust-light:#E4F2ED;
      --bg:#FAF7F2;
      --bg-dark:#232323;
      --bg-card:#FFFFFF;
      --text-primary:#1C1C1C;
      --text-body:#4A4A4A;
      --text-muted:#8A8A8A;
      --border:#E9E0D4;
      --radius-card:16px;
      --radius-btn:12px;
      --radius-input:10px;
      --shadow-card:0 2px 12px rgba(28,28,28,0.06);
      --shadow-card-hover:0 8px 24px rgba(201,58,58,0.12);
      --shadow-panel:0 4px 16px rgba(35,35,35,0.08);
      --font-serif:'Noto Serif SC','Source Han Serif SC','Source Han Serif CN','SimSun',serif;
      --font-sans:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
      --sidebar-width:280px;
      --header-height:72px;
      --transition:0.25s cubic-bezier(0.4,0,0.2,1);
    }
    html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
    body{font-family:var(--font-sans);font-size:15px;line-height:1.75;color:var(--text-body);background-color:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;}
    a{color:inherit;text-decoration:none;transition:color var(--transition)}
    a:hover{color:var(--primary)}
    a:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit}
    button{cursor:pointer;border:none;background:none}
    input,select,textarea{border:1px solid var(--border);background:#fff;border-radius:var(--radius-input);padding:0.65rem 1rem;width:100%;transition:border-color var(--transition),box-shadow var(--transition)}
    input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(201,58,58,0.1)}
    .container{max-width:1200px;margin:0 auto;padding:0 24px}
    .site-header{position:sticky;top:0;z-index:1000;height:var(--header-height);background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;gap:16px;box-shadow:0 1px 6px rgba(28,28,28,0.04)}
    .logo{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-weight:700;font-size:22px;color:var(--primary);white-space:nowrap;min-width:180px}
    .logo i{font-size:26px;color:var(--primary)}
    .header-search{flex:1;max-width:280px;min-width:120px;position:relative}
    .header-search input{padding-left:38px;height:40px;border-radius:12px;background:#faf7f2;border-color:var(--border);font-size:14px}
    .header-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:14px}
    .header-selects{display:flex;gap:8px;align-items:center;margin-left:auto}
    .header-selects select{width:auto;max-width:110px;padding:0.4rem 0.8rem;font-size:13px;border-radius:999px;border-color:var(--border);background:#fff;cursor:pointer}
    .header-selects select:hover{border-color:var(--primary)}
    .mobile-menu-btn{display:none;font-size:22px;color:var(--text-primary);padding:8px;background:var(--bg);border-radius:8px;transition:background var(--transition)}
    .mobile-menu-btn:hover{background:var(--primary-light)}
    .main-nav{background:#fff;border-bottom:1px solid var(--border);padding:0 24px;overflow-x:auto;-webkit-overflow-scrolling:touch}
    .main-nav-inner{max-width:1200px;margin:0 auto;display:flex;gap:4px;align-items:center;min-width:max-content}
    .main-nav a{display:inline-block;padding:12px 18px;font-size:15px;font-weight:500;color:var(--text-body);position:relative;white-space:nowrap;transition:color var(--transition)}
    .main-nav a:hover,.main-nav a.active{color:var(--primary)}
    .main-nav a.active::after,.main-nav a:hover::after{content:'';position:absolute;left:18px;right:18px;bottom:6px;height:2px;background:var(--primary);border-radius:2px}
    .page-wrapper{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;gap:32px;align-items:flex-start;margin-top:24px;margin-bottom:64px}
    .sidebar{width:var(--sidebar-width);flex-shrink:0;position:sticky;top:calc(var(--header-height) + 1px);max-height:calc(100vh - var(--header-height) - 20px);overflow-y:auto;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-card);padding:16px 12px;box-shadow:var(--shadow-card)}
    .sidebar-title{font-size:14px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.03em;padding:8px 12px 12px;margin-bottom:8px;border-bottom:1px solid var(--border)}
    .sidebar-group{margin-bottom:16px}
    .sidebar-group h5{font-size:13px;font-weight:600;color:var(--text-muted);padding:8px 12px;margin:0;cursor:pointer;display:flex;align-items:center;justify-content:space-between;transition:color var(--transition)}
    .sidebar-group h5:hover{color:var(--primary)}
    .sidebar-group h5 .fa-chevron-down{font-size:11px;transition:transform var(--transition)}
    .sidebar-group.open h5 .fa-chevron-down{transform:rotate(180deg)}
    .sidebar-group ul{list-style:none;margin:0;padding:0}
    .sidebar-group li a{display:block;padding:7px 12px 7px 28px;font-size:14px;color:var(--text-body);border-left:3px solid transparent;border-radius:0 6px 6px 0;transition:background var(--transition),color var(--transition),border-color var(--transition)}
    .sidebar-group li a:hover{background:var(--primary-light);color:var(--primary);border-left-color:var(--primary)}
    .sidebar-group li a.active{background:var(--primary-light);color:var(--primary);border-left-color:var(--primary);font-weight:500}
    .main-content{flex:1;min-width:0}
    .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:16px;flex-wrap:wrap}
    .breadcrumb a{color:var(--text-muted);transition:color var(--transition)}
    .breadcrumb a:hover{color:var(--primary)}
    .breadcrumb i{font-size:10px;color:var(--text-muted)}
    .section{margin-bottom:40px}
    .section-title{font-family:var(--font-serif);font-weight:700;font-size:24px;color:var(--text-primary);line-height:1.3;margin-bottom:16px;display:flex;align-items:center;gap:10px}
    .section-title .title-badge{display:inline-block;background:var(--primary);color:#fff;font-size:13px;padding:2px 10px;border-radius:999px;font-weight:500;font-family:var(--font-sans)}
    .card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-card);padding:20px 24px;box-shadow:var(--shadow-card);transition:box-shadow var(--transition),transform var(--transition),border-color var(--transition)}
    .card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px);border-color:var(--primary)}
    .btn{display:inline-flex;align-items:center;gap:8px;padding:0.75rem 1.5rem;border-radius:var(--radius-btn);font-weight:500;font-size:14px;transition:background var(--transition),color var(--transition),box-shadow var(--transition);white-space:nowrap}
    .btn-primary{background:var(--primary);color:#fff}
    .btn-primary:hover{background:var(--primary-dark);color:#fff;box-shadow:0 8px 16px rgba(201,58,58,0.2)}
    .btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}
    .btn-outline:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}
    .badge{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:500;background:var(--primary-light);color:var(--primary)}
    .badge-accent{background:var(--accent-light);color:#b7791f}
    .badge-trust{background:var(--trust-light);color:var(--trust)}
    .number-ball{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;font-size:13px;margin:0 2px}
    .play-card{display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:box-shadow var(--transition),transform var(--transition)}
    .play-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px);border-color:var(--primary)}
    .play-card img{width:100%;height:160px;object-fit:cover}
    .play-card .play-card-body{padding:16px 20px;flex:1;display:flex;flex-direction:column}
    .play-card h3{font-family:var(--font-serif);font-weight:700;font-size:18px;color:var(--text-primary);margin:0 0 8px}
    .play-card .play-date{font-size:12px;color:var(--text-muted);margin-bottom:8px}
    .play-card p{font-size:14px;color:var(--text-body);line-height:1.6;margin-bottom:12px}
    .play-card a{margin-top:auto;align-self:flex-start;color:var(--primary);font-weight:500;font-size:14px;display:inline-flex;align-items:center;gap:6px}
    .step-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
    .step-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-card);padding:24px;text-align:center;box-shadow:var(--shadow-card)}
    .step-number{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;font-size:18px;margin-bottom:12px}
    .step-card h4{font-family:var(--font-serif);font-weight:700;font-size:17px;color:var(--text-primary);margin:0 0 8px}
    .step-card p{font-size:14px;color:var(--text-body);margin:0}
    .faq-item{border:1px solid var(--border);border-radius:var(--radius-card);margin-bottom:12px;overflow:hidden;background:var(--bg-card)}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:none;border:none;text-align:left;font-size:15px;font-weight:500;color:var(--text-primary);cursor:pointer;transition:background var(--transition)}
    .faq-question:hover{background:var(--primary-light)}
    .faq-question i{transition:transform var(--transition);color:var(--text-muted)}
    .faq-item.open .faq-question i{transform:rotate(180deg);color:var(--primary)}
    .faq-answer{padding:0 20px 16px;font-size:14px;color:var(--text-body);line-height:1.7;display:none}
    .faq-item.open .faq-answer{display:block}
    .cta-banner{background:var(--bg-dark);border-radius:var(--radius-card);padding:32px 28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;box-shadow:var(--shadow-panel)}
    .cta-banner h3{font-family:var(--font-serif);font-weight:700;font-size:22px;color:#fff;margin:0 0 8px}
    .cta-banner p{color:rgba(255,255,255,0.75);margin:0;font-size:14px}
    .btn-cta{background:var(--accent);color:#1C1C1C;font-weight:600;padding:0.75rem 1.5rem;border-radius:var(--radius-btn);display:inline-flex;align-items:center;gap:8px;transition:background var(--transition),transform var(--transition)}
    .btn-cta:hover{background:#e09a1e;transform:translateY(-2px)}
    .site-footer{background:var(--bg-dark);color:rgba(255,255,255,0.8);padding:48px 24px 24px;margin-top:64px}
    .footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;margin-bottom:32px}
    .footer-grid h4{color:#fff;font-family:var(--font-serif);font-weight:700;font-size:16px;margin:0 0 16px}
    .footer-grid p{font-size:13px;line-height:1.7;color:rgba(255,255,255,0.6);margin:0}
    .footer-grid a{display:block;color:rgba(255,255,255,0.7);font-size:14px;margin-bottom:8px;transition:color var(--transition)}
    .footer-grid a:hover{color:var(--accent)}
    .footer-bottom{max-width:1200px;margin:0 auto;padding-top:24px;border-top:1px solid rgba(255,255,255,0.12);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,0.55)}
    .footer-bottom a{color:rgba(255,255,255,0.7);margin:0 4px}
    .footer-bottom a:hover{color:var(--accent)}
    @media(max-width:1024px){
      .page-wrapper{padding:0 16px;gap:20px}
      .sidebar{width:240px}
    }
    @media(max-width:768px){
      .page-wrapper{flex-direction:column;padding:0 16px;margin-top:16px}
      .sidebar{position:fixed;left:0;top:var(--header-height);bottom:0;width:280px;max-height:none;z-index:999;transform:translateX(-100%);transition:transform var(--transition);border-radius:0;box-shadow:0 8px 24px rgba(0,0,0,0.15)}
      .sidebar.open{transform:translateX(0)}
      .mobile-menu-btn{display:inline-flex;align-items:center;justify-content:center}
      .main-nav{padding:0 12px}
      .header-selects select{max-width:90px;font-size:12px;padding:0.3rem 0.5rem}
      .header-search{max-width:180px}
      .logo{min-width:auto;font-size:20px}
    }
    @media(max-width:520px){
      .header-search{display:none}
      .header-selects{gap:4px}
      .header-selects select{max-width:80px;padding:0.3rem 0.4rem}
      .main-nav a{padding:10px 12px;font-size:14px}
      .section-title{font-size:20px}
      .play-card img{height:130px}
    }

/* roulang page: category2 */
:root {
            --primary: #C93A3A;
            --primary-dark: #A62E2E;
            --primary-light: #FBE9E7;
            --accent: #F5A623;
            --accent-light: #FEF7E9;
            --trust: #1F7A5C;
            --trust-light: #E4F2ED;
            --bg: #FAF7F2;
            --bg-dark: #232323;
            --bg-card: #FFFFFF;
            --text-primary: #1C1C1C;
            --text-body: #4A4A4A;
            --text-muted: #8A8A8A;
            --border: #E9E0D4;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --shadow-card: 0 2px 12px rgba(28, 28, 28, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(201, 58, 58, 0.12);
            --shadow-panel: 0 4px 16px rgba(35, 35, 35, 0.08);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Source Han Serif CN', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --sidebar-width: 280px;
            --header-height: 72px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary);
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            border: 1px solid var(--border);
            background: #fff;
            border-radius: var(--radius-input);
            padding: 0.65rem 1rem;
            width: 100%;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(201, 58, 58, 0.1);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: #fff;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 24px;
            gap: 16px;
            box-shadow: 0 1px 6px rgba(28, 28, 28, 0.04);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            white-space: nowrap;
            min-width: 180px;
        }

        .logo i {
            font-size: 26px;
            color: var(--primary);
        }

        .header-search {
            flex: 1;
            max-width: 280px;
            min-width: 120px;
            position: relative;
        }

        .header-search input {
            padding-left: 38px;
            height: 40px;
            border-radius: 12px;
            background: #faf7f2;
            border-color: var(--border);
            font-size: 14px;
        }

        .header-search i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
            pointer-events: none;
        }

        .header-selects {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-left: auto;
        }

        .header-selects select {
            width: auto;
            max-width: 110px;
            padding: 0.4rem 0.8rem;
            font-size: 13px;
            border-radius: 999px;
            border-color: var(--border);
            background: #fff;
            cursor: pointer;
        }

        .header-selects select:hover {
            border-color: var(--primary);
        }

        .mobile-menu-btn {
            display: none;
            font-size: 22px;
            color: var(--text-primary);
            padding: 8px;
            background: var(--bg);
            border-radius: 8px;
            transition: background var(--transition);
        }

        .mobile-menu-btn:hover {
            background: var(--primary-light);
        }

        /* Main Nav */
        .main-nav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 0 24px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .main-nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            gap: 4px;
            align-items: center;
            min-width: max-content;
        }

        .main-nav a {
            display: inline-block;
            padding: 12px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--primary);
        }

        .main-nav a.active::after,
        .main-nav a:hover::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -1px;
            height: 2px;
            background: var(--primary);
            transition: transform var(--transition);
        }

        .main-nav a.active::after {
            transform: scaleX(1);
        }

        .main-nav a:hover::after {
            transform: scaleX(0.5);
        }

        /* Page Layout */
        .page-wrapper {
            display: flex;
            max-width: 1200px;
            margin: 0 auto;
            padding: 24px 24px 0;
            gap: 32px;
        }

        .doc-sidebar {
            width: var(--sidebar-width);
            flex-shrink: 0;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 16px 0;
            position: sticky;
            top: calc(var(--header-height) + 48px);
            align-self: flex-start;
            max-height: calc(100vh - var(--header-height) - 48px);
            overflow-y: auto;
        }

        .sidebar-title {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            padding: 0 16px 12px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 12px;
        }

        .sidebar-group-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.03em;
            padding: 8px 16px;
        }

        .sidebar-item {
            display: block;
            padding: 10px 16px;
            font-size: 14px;
            color: var(--text-body);
            border-left: 3px solid transparent;
            transition: all var(--transition);
        }

        .sidebar-item:hover {
            color: var(--primary);
            background: #fdf6f4;
        }

        .sidebar-item.active {
            background: var(--primary-light);
            color: var(--primary);
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .page-main {
            flex: 1;
            min-width: 0;
        }

        /* Sections */
        section {
            margin-bottom: 48px;
        }

        .section-breadcrumb {
            padding: 8px 0 24px;
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .breadcrumb a {
            color: var(--text-muted);
        }

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

        .breadcrumb span {
            margin: 0 6px;
            color: var(--text-muted);
        }

        .section-breadcrumb h1 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin: 0 0 8px;
        }

        .section-breadcrumb .subtitle {
            font-size: 16px;
            color: var(--text-body);
            max-width: 700px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title i {
            color: var(--accent);
            font-size: 22px;
        }

        /* Filter Bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 12px 16px;
            box-shadow: var(--shadow-card);
        }

        .filter-bar span {
            font-size: 14px;
            color: var(--text-muted);
        }

        .filter-chip {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text-body);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .filter-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .filter-bar select {
            width: auto;
            max-width: 140px;
            padding: 6px 12px;
            font-size: 13px;
            border-radius: 8px;
            border-color: var(--border);
        }

        /* Match Cards */
        .match-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .match-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px 24px;
            transition: all var(--transition);
        }

        .match-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
            transform: translateY(-4px);
        }

        .match-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .match-league {
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 12px;
        }

        .match-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .team {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            min-width: 120px;
        }

        .team-left {
            justify-content: flex-end;
            text-align: right;
        }

        .team-right {
            justify-content: flex-start;
            text-align: left;
        }

        .team img {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--border);
            background: #faf7f2;
        }

        .team-name {
            font-weight: 600;
            font-size: 16px;
            color: var(--text-primary);
        }

        .match-score {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--accent);
            min-width: 80px;
            text-align: center;
        }

        .match-score .vs {
            letter-spacing: 2px;
        }

        .match-odds {
            display: flex;
            gap: 12px;
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px dashed var(--border);
            flex-wrap: wrap;
        }

        .match-odds span {
            background: #fdf6f4;
            border: 1px solid var(--border);
            padding: 6px 16px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-body);
            transition: all var(--transition);
        }

        .match-odds span:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .match-link {
            display: inline-block;
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition);
        }

        .match-link:hover {
            color: var(--primary-dark);
        }

        /* Odds Info */
        .odds-info-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .odds-info-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .odds-info-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
            transform: translateY(-4px);
        }

        .odds-info-card i {
            font-size: 32px;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .odds-info-card h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
        }

        .odds-info-card p {
            font-size: 14px;
            color: var(--text-body);
            margin: 0;
            line-height: 1.7;
        }

        /* Steps */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all var(--transition);
        }

        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 18px;
            border-radius: 50%;
            margin-bottom: 16px;
        }

        .step-card h3 {
            font-family: var(--font-serif);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
        }

        .step-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* Hot Matches */
        .hot-match-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .hot-match-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .hot-match-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
            transform: translateY(-4px);
        }

        .hot-match-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }

        .hot-match-card .card-content {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .hot-match-card h3 {
            font-family: var(--font-serif);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
        }

        .hot-match-card p {
            font-size: 13px;
            color: var(--text-body);
            margin: 0 0 16px;
            flex: 1;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            text-align: center;
            line-height: 1.2;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        .btn-outline {
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* Update & Notice */
        .update-info {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 24px;
            box-shadow: var(--shadow-card);
            margin-bottom: 16px;
            font-size: 14px;
            color: var(--text-body);
        }

        .update-info i {
            color: var(--trust);
            font-size: 18px;
        }

        .notice-text {
            background: var(--accent-light);
            border-left: 4px solid var(--accent);
            padding: 20px 24px;
            border-radius: 8px;
        }

        .notice-text h2 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
        }

        .notice-text p {
            font-size: 14px;
            color: var(--text-body);
            margin: 0;
        }

        /* Subscribe */
        .subscribe-card {
            background: var(--bg-dark);
            border-radius: var(--radius-card);
            padding: 32px;
            color: #fff;
            box-shadow: var(--shadow-panel);
        }

        .subscribe-card h2 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 12px;
            color: #fff;
        }

        .subscribe-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 20px;
            max-width: 600px;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .subscribe-form input,
        .subscribe-form select {
            flex: 1;
            min-width: 180px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            border-radius: var(--radius-input);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .subscribe-form input:focus,
        .subscribe-form select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.25);
        }

        .subscribe-form select option {
            color: var(--text-primary);
        }

        .subscribe-form .btn-primary {
            background: var(--accent);
            color: #232323;
            font-weight: 700;
        }

        .subscribe-form .btn-primary:hover {
            background: #e6951c;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: #fff;
            padding: 48px 24px 24px;
            margin-top: 64px;
        }

        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .footer-grid h4 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 16px;
            color: #fff;
        }

        .footer-grid p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin: 0;
        }

        .footer-grid a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 12px;
            transition: color var(--transition);
        }

        .footer-grid a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 32px auto 0;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

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

        /* Mobile Sidebar */
        .mobile-sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1100;
        }

        .mobile-sidebar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 280px;
            background: #fff;
            z-index: 1200;
            padding: 16px 0;
            overflow-y: auto;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
            transform: translateX(-100%);
            transition: transform 0.3s ease;
        }

        .mobile-sidebar.open {
            transform: translateX(0);
        }

        .mobile-sidebar .sidebar-title {
            padding-left: 16px;
            padding-right: 16px;
        }

        .mobile-sidebar .sidebar-item,
        .mobile-sidebar .sidebar-group-title {
            padding-left: 16px;
            padding-right: 16px;
        }

        .mobile-sidebar-close {
            position: absolute;
            top: 12px;
            right: 12px;
            font-size: 22px;
            color: var(--text-primary);
            padding: 4px;
            background: var(--bg);
            border-radius: 8px;
            line-height: 1;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .odds-info-grid {
                grid-template-columns: 1fr 1fr;
            }
            .steps-container {
                grid-template-columns: 1fr 1fr;
            }
            .hot-match-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                padding: 0 16px;
                gap: 12px;
            }
            .logo {
                min-width: auto;
                font-size: 20px;
            }
            .header-search {
                max-width: none;
                flex: 1;
            }
            .header-selects {
                display: none;
            }
            .mobile-menu-btn {
                display: inline-block;
            }
            .page-wrapper {
                flex-direction: column;
                padding: 16px 16px 0;
                gap: 16px;
            }
            .doc-sidebar {
                display: none;
            }
            .mobile-sidebar {
                display: block;
            }
            .mobile-sidebar-overlay.active {
                display: block;
            }
            .main-nav {
                padding: 0 16px;
            }
            .main-nav a {
                padding: 12px 14px;
                font-size: 14px;
            }
            .section-breadcrumb h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 20px;
            }
            .match-teams {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }
            .team-left,
            .team-right {
                justify-content: center;
                text-align: center;
            }
            .match-score {
                min-width: auto;
                font-size: 20px;
            }
            .odds-info-grid {
                grid-template-columns: 1fr;
            }
            .steps-container {
                grid-template-columns: 1fr;
            }
            .hot-match-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input,
            .subscribe-form select {
                min-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                height: auto;
                padding: 12px 16px;
                flex-wrap: wrap;
            }
            .logo {
                font-size: 18px;
                gap: 6px;
            }
            .header-search {
                order: 3;
                flex-basis: 100%;
                max-width: none;
            }
            .header-search input {
                height: 36px;
                font-size: 13px;
            }
            .mobile-menu-btn {
                font-size: 20px;
            }
            .page-wrapper {
                padding: 12px 12px 0;
            }
            .section-breadcrumb h1 {
                font-size: 22px;
            }
            .section-breadcrumb .subtitle {
                font-size: 14px;
            }
            .filter-bar {
                padding: 8px 12px;
                gap: 8px;
            }
            .filter-chip {
                padding: 4px 12px;
                font-size: 12px;
            }
            .match-card {
                padding: 16px;
            }
            .match-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .team img {
                width: 36px;
                height: 36px;
            }
            .team-name {
                font-size: 14px;
            }
            .match-score {
                font-size: 18px;
            }
            .match-odds span {
                padding: 4px 10px;
                font-size: 12px;
            }
            .btn {
                padding: 8px 18px;
                font-size: 13px;
            }
            .site-footer {
                padding: 32px 16px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #C93A3A;
            --primary-dark: #A62E2E;
            --primary-light: #FBE9E7;
            --accent: #F5A623;
            --accent-light: #FEF7E9;
            --trust: #1F7A5C;
            --trust-light: #E4F2ED;
            --bg: #FAF7F2;
            --bg-dark: #232323;
            --bg-card: #FFFFFF;
            --text-primary: #1C1C1C;
            --text-body: #4A4A4A;
            --text-muted: #8A8A8A;
            --border: #E9E0D4;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --shadow-card: 0 2px 12px rgba(28, 28, 28, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(201, 58, 58, 0.12);
            --shadow-panel: 0 4px 16px rgba(35, 35, 35, 0.08);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Source Han Serif CN', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --sidebar-width: 280px;
            --header-height: 72px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover { color: var(--primary); }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button { cursor: pointer; border: none; background: none; }
        input, select, textarea {
            border: 1px solid var(--border);
            background: #fff;
            border-radius: var(--radius-input);
            padding: 0.65rem 1rem;
            width: 100%;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        input:focus, select:focus, textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(201, 58, 58, 0.1);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: #fff;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 24px;
            gap: 16px;
            box-shadow: 0 1px 6px rgba(28, 28, 28, 0.04);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            white-space: nowrap;
            min-width: 180px;
        }
        .logo i {
            font-size: 26px;
            color: var(--primary);
        }
        .header-search {
            flex: 1;
            max-width: 280px;
            min-width: 120px;
            position: relative;
        }
        .header-search input {
            padding-left: 38px;
            height: 40px;
            border-radius: 12px;
            background: #faf7f2;
            border-color: var(--border);
            font-size: 14px;
        }
        .header-search i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
        }
        .header-selects {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-left: auto;
        }
        .header-selects select {
            width: auto;
            max-width: 110px;
            padding: 0.4rem 0.8rem;
            font-size: 13px;
            border-radius: 999px;
            border-color: var(--border);
            background: #fff;
            cursor: pointer;
        }
        .header-selects select:hover { border-color: var(--primary); }
        .mobile-menu-btn {
            display: none;
            font-size: 22px;
            color: var(--text-primary);
            padding: 8px;
            background: var(--bg);
            border-radius: 8px;
            transition: background var(--transition);
        }
        .mobile-menu-btn:hover { background: var(--primary-light); }
        .main-nav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 0 24px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .main-nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            gap: 4px;
            align-items: center;
            min-width: max-content;
        }
        .main-nav a {
            display: inline-block;
            padding: 12px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--primary);
        }
        .main-nav a.active::after,
        .main-nav a:hover::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }
        /* Sidebar */
        .sidebar {
            position: fixed;
            top: var(--header-height);
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: #fff;
            border-right: 1px solid var(--border);
            padding: 24px 16px;
            overflow-y: auto;
            z-index: 900;
            transition: transform 0.3s ease;
        }
        .sidebar-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            font-family: var(--font-serif);
        }
        .sidebar-group {
            margin-bottom: 20px;
        }
        .sidebar-group-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 8px;
        }
        .sidebar-link {
            display: block;
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-body);
            border-left: 3px solid transparent;
            transition: all var(--transition);
        }
        .sidebar-link:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .sidebar-link.active {
            background: var(--primary-light);
            color: var(--primary);
            border-left-color: var(--primary);
            font-weight: 600;
        }
        .main-wrapper {
            margin-left: var(--sidebar-width);
            padding-top: 32px;
            padding-bottom: 64px;
            min-height: calc(100vh - var(--header-height));
        }
        /* Sections */
        section {
            padding: 48px 0;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
            transform: translateY(-4px);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(201, 58, 58, 0.25);
            color: #fff;
        }
        .btn-outline {
            border: 1px solid var(--border);
            color: var(--text-body);
            background: #fff;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.5;
        }
        .badge-red {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-gold {
            background: var(--accent-light);
            color: #B9791B;
        }
        .badge-green {
            background: var(--trust-light);
            color: var(--trust);
        }
        .badge-gray {
            background: #F1EDE6;
            color: var(--text-muted);
        }
        .article-row {
            display: flex;
            gap: 20px;
            padding: 20px;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }
        .article-row:last-child {
            border-bottom: none;
        }
        .article-row:hover {
            background: #FDF9F5;
        }
        .article-image {
            width: 220px;
            height: 140px;
            flex-shrink: 0;
            border-radius: 12px;
            overflow: hidden;
            background: #F1EDE6;
        }
        .article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .article-content {
            flex: 1;
        }
        .article-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .article-content p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .article-meta i {
            font-size: 12px;
            margin-right: 4px;
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-list span {
            padding: 6px 14px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-body);
            cursor: default;
            transition: all var(--transition);
        }
        .tag-list span:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .hot-rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: 12px;
            background: #fff;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .hot-rank-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
        }
        .rank-number {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }
        .rank-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
        }
        .rank-content p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }
        .dark-panel {
            background: var(--bg-dark);
            border-radius: var(--radius-card);
            padding: 32px;
            color: #fff;
        }
        .dark-panel .section-title {
            color: #fff;
        }
        .dark-panel .section-subtitle {
            color: rgba(255,255,255,0.7);
        }
        .timeline-item {
            position: relative;
            padding-left: 28px;
            padding-bottom: 24px;
            border-left: 2px solid rgba(255,255,255,0.2);
            margin-left: 8px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
            border-left-color: transparent;
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -7px;
            top: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
        }
        .timeline-date {
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
        }
        .timeline-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin: 4px 0 2px;
        }
        .timeline-desc {
            font-size: 14px;
            color: rgba(255,255,255,0.75);
            line-height: 1.6;
        }
        .footer {
            background: var(--bg-dark);
            color: #fff;
            padding: 56px 24px 24px;
            margin-top: 64px;
        }
        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
        }
        .footer-grid h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .footer-grid p {
            font-size: 14px;
            color: rgba(255,255,255,0.6);
            line-height: 1.7;
        }
        .footer-grid a {
            display: block;
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            margin-bottom: 10px;
            transition: color var(--transition);
        }
        .footer-grid a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 32px auto 0;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255,255,255,0.5);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        /* Mobile */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: 4px 0 20px rgba(0,0,0,0.08);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-menu-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-search {
                max-width: 200px;
            }
            .header-selects select {
                max-width: 90px;
                font-size: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                padding: 0 16px;
                gap: 12px;
            }
            .logo {
                min-width: auto;
                font-size: 18px;
            }
            .logo i { font-size: 20px; }
            .header-search {
                max-width: 100px;
            }
            .header-search input {
                font-size: 12px;
                padding-left: 32px;
            }
            .main-nav {
                padding: 0 16px;
            }
            .main-nav a {
                padding: 10px 12px;
                font-size: 13px;
            }
            section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .article-row {
                flex-direction: column;
                padding: 16px;
            }
            .article-image {
                width: 100%;
                height: 180px;
            }
            .dark-panel {
                padding: 24px 20px;
            }
            .footer {
                padding: 40px 16px 20px;
                margin-top: 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
        }
        @media (max-width: 520px) {
            body {
                font-size: 14px;
            }
            .header-search {
                display: none;
            }
            .header-selects select {
                max-width: 80px;
                padding: 0.3rem 0.6rem;
                font-size: 11px;
            }
            .section-title {
                font-size: 20px;
            }
            .tag-list {
                gap: 6px;
            }
            .tag-list span {
                font-size: 12px;
                padding: 4px 10px;
            }
            .hot-rank-item {
                padding: 10px 12px;
            }
        }
        /* Page-specific additions */
        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb i {
            font-size: 10px;
        }
        .list-more {
            text-align: center;
            margin-top: 28px;
        }

/* roulang page: category6 */
:root {
            --primary: #C93A3A;
            --primary-dark: #A62E2E;
            --primary-light: #FBE9E7;
            --accent: #F5A623;
            --accent-light: #FEF7E9;
            --trust: #1F7A5C;
            --trust-light: #E4F2ED;
            --bg: #FAF7F2;
            --bg-dark: #232323;
            --bg-card: #FFFFFF;
            --text-primary: #1C1C1C;
            --text-body: #4A4A4A;
            --text-muted: #8A8A8A;
            --border: #E9E0D4;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --shadow-card: 0 2px 12px rgba(28, 28, 28, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(201, 58, 58, 0.12);
            --shadow-panel: 0 4px 16px rgba(35, 35, 35, 0.08);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Source Han Serif CN', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --sidebar-width: 280px;
            --header-height: 72px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            border: 1px solid var(--border);
            background: #fff;
            border-radius: var(--radius-input);
            padding: 0.65rem 1rem;
            width: 100%;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(201, 58, 58, 0.1);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: #fff;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 24px;
            gap: 16px;
            box-shadow: 0 1px 6px rgba(28, 28, 28, 0.04);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            white-space: nowrap;
            min-width: 180px;
        }
        .logo i {
            font-size: 26px;
            color: var(--primary);
        }
        .header-search {
            flex: 1;
            max-width: 280px;
            min-width: 120px;
            position: relative;
        }
        .header-search input {
            padding-left: 38px;
            height: 40px;
            border-radius: 12px;
            background: #faf7f2;
            border-color: var(--border);
            font-size: 14px;
        }
        .header-search i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
        }
        .header-selects {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-left: auto;
        }
        .header-selects select {
            width: auto;
            max-width: 110px;
            padding: 0.4rem 0.8rem;
            font-size: 13px;
            border-radius: 999px;
            border-color: var(--border);
            background: #fff;
            cursor: pointer;
        }
        .header-selects select:hover {
            border-color: var(--primary);
        }
        .mobile-menu-btn {
            display: none;
            font-size: 22px;
            color: var(--text-primary);
            padding: 8px;
            background: var(--bg);
            border-radius: 8px;
            transition: background var(--transition);
        }
        .mobile-menu-btn:hover {
            background: var(--primary-light);
        }

        /* Main Nav */
        .main-nav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 0 24px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            position: sticky;
            top: var(--header-height);
            z-index: 999;
        }
        .main-nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            gap: 4px;
            align-items: center;
            min-width: max-content;
        }
        .main-nav a {
            display: inline-block;
            padding: 12px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--primary);
        }
        .main-nav a.active::after,
        .main-nav a:hover::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        /* Layout with sidebar */
        .layout-wrapper {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            gap: 32px;
            padding: 32px 24px 64px;
        }
        .sidebar {
            width: var(--sidebar-width);
            flex-shrink: 0;
            position: sticky;
            top: calc(var(--header-height) + 48px);
            align-self: flex-start;
            max-height: calc(100vh - var(--header-height) - 48px);
            overflow-y: auto;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px 16px;
        }
        .sidebar-title {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 16px;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-title i {
            color: var(--primary);
            font-size: 16px;
        }
        .sidebar-group-label {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--text-muted);
            margin: 16px 0 8px;
            padding: 0 8px;
        }
        .sidebar a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 10px;
            font-size: 14px;
            color: var(--text-body);
            transition: all var(--transition);
            position: relative;
        }
        .sidebar a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .sidebar a.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .sidebar a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: var(--primary);
            border-radius: 0 3px 3px 0;
        }
        .sidebar a i {
            width: 18px;
            text-align: center;
            font-size: 14px;
            color: var(--text-muted);
        }
        .sidebar a.active i {
            color: var(--primary);
        }
        .main-content {
            flex: 1;
            min-width: 0;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--border);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* H1 Section */
        .page-hero {
            padding: 32px 0 24px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 32px;
        }
        .page-hero h1 {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 34px;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 8px;
        }
        .page-hero .subtitle {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            max-width: 680px;
        }

        /* Section base */
        .section-block {
            margin-bottom: 48px;
        }
        .section-block:last-child {
            margin-bottom: 0;
        }
        .section-title {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 24px;
            color: var(--text-primary);
            line-height: 1.35;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-title i {
            color: var(--primary);
            font-size: 22px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        /* Service status */
        .status-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .status-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .status-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
        }
        .status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .status-dot.online {
            background: var(--trust);
            box-shadow: 0 0 0 3px var(--trust-light);
        }
        .status-dot.maintenance {
            background: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-light);
        }
        .status-info {
            flex: 1;
        }
        .status-info .name {
            font-weight: 600;
            font-size: 14px;
            color: var(--text-primary);
            display: block;
        }
        .status-info .detail {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 32px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--border);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 24px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 16px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--primary);
            box-shadow: 0 0 0 3px rgba(201, 58, 58, 0.1);
            z-index: 1;
        }
        .timeline-item.important::before {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.15);
            background: var(--accent-light);
        }
        .timeline-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .timeline-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .timeline-card-header {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .timeline-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            background: var(--bg);
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }
        .notice-tag {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }
        .notice-tag.maintenance {
            background: var(--accent-light);
            color: #B57000;
        }
        .notice-tag.update {
            background: var(--trust-light);
            color: var(--trust);
        }
        .notice-tag.feature {
            background: var(--primary-light);
            color: var(--primary);
        }
        .notice-tag.reminder {
            background: #EDE9FE;
            color: #6B4FA0;
        }
        .notice-tag.service {
            background: #E8F0FE;
            color: #2A5CA8;
        }
        .timeline-card h3 {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 17px;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .timeline-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .timeline-card .notice-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }
        .timeline-card .notice-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* Maintenance schedule */
        .schedule-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }
        .schedule-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .schedule-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
        }
        .schedule-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .schedule-list .icon-circle {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 14px;
        }
        .schedule-list .info {
            flex: 1;
        }
        .schedule-list .info .schedule-name {
            font-weight: 600;
            font-size: 14px;
            color: var(--text-primary);
            display: block;
        }
        .schedule-list .info .schedule-detail {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Archive */
        .archive-banner {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--bg-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            padding: 24px;
            box-shadow: var(--shadow-panel);
        }
        .archive-banner img {
            width: 200px;
            height: 130px;
            object-fit: cover;
            border-radius: 12px;
            flex-shrink: 0;
        }
        .archive-banner .archive-info {
            flex: 1;
        }
        .archive-banner .archive-info h3 {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 19px;
            color: #fff;
            margin-bottom: 6px;
        }
        .archive-banner .archive-info p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 12px;
            line-height: 1.7;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: var(--radius-btn);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        /* Subscribe CTA */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            gap: 32px;
            box-shadow: var(--shadow-card-hover);
        }
        .cta-banner .cta-text {
            flex: 1;
        }
        .cta-banner .cta-text h3 {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 24px;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .cta-banner .cta-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .cta-banner .cta-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
            align-items: center;
        }
        .cta-banner .cta-form input {
            width: 220px;
            padding: 0.7rem 1.2rem;
            border-radius: var(--radius-btn);
            border: none;
            background: #fff;
            font-size: 14px;
        }
        .cta-banner .cta-form input:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.7rem 1.6rem;
            border-radius: var(--radius-btn);
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-gold:hover {
            background: #D98F18;
            color: #fff;
            box-shadow: 0 4px 12px rgba(245, 166, 35, 0.35);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 24px 24px;
            margin-top: 64px;
        }
        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-grid h4 {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 16px;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-grid p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 0;
        }
        .footer-grid a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-grid a:hover {
            color: #fff;
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* Sidebar drawer overlay */
        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(28, 28, 28, 0.5);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .sidebar-overlay.show {
            opacity: 1;
        }
        .sidebar-close {
            display: none;
            font-size: 20px;
            color: var(--text-primary);
            padding: 6px;
            background: var(--bg);
            border-radius: 8px;
            position: absolute;
            top: 12px;
            right: 12px;
            transition: background var(--transition);
        }
        .sidebar-close:hover {
            background: var(--primary-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .status-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .archive-banner {
                flex-direction: column;
                text-align: center;
            }
            .archive-banner img {
                width: 100%;
                height: 180px;
            }
            .cta-banner {
                flex-direction: column;
                text-align: center;
            }
            .cta-banner .cta-form {
                flex-direction: column;
                width: 100%;
            }
            .cta-banner .cta-form input {
                width: 100%;
            }
        }
        @media (max-width: 768px) {
            .layout-wrapper {
                flex-direction: column;
                padding: 20px 16px 40px;
            }
            .sidebar {
                position: fixed;
                top: 0;
                left: -100%;
                width: var(--sidebar-width);
                height: 100vh;
                max-height: 100vh;
                border-radius: 0;
                z-index: 1001;
                transition: left var(--transition);
                padding-top: 60px;
                overflow-y: auto;
            }
            .sidebar.show {
                left: 0;
            }
            .sidebar-overlay.show {
                display: block;
            }
            .sidebar-close {
                display: block;
            }
            .mobile-menu-btn {
                display: block;
            }
            .header-search {
                display: none;
            }
            .header-selects select:nth-child(2) {
                display: none;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 20px;
            }
            .status-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .status-card {
                padding: 12px 14px;
            }
            .timeline {
                padding-left: 24px;
            }
            .timeline::before {
                left: 6px;
            }
            .timeline-item::before {
                left: -22px;
                width: 10px;
                height: 10px;
            }
            .timeline-card {
                padding: 16px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .cta-banner {
                padding: 28px 20px;
            }
        }
        @media (max-width: 520px) {
            .status-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .main-nav a {
                padding: 10px 14px;
                font-size: 13px;
            }
            .site-header {
                padding: 0 12px;
                gap: 8px;
            }
            .logo {
                font-size: 18px;
                min-width: auto;
                gap: 6px;
            }
            .logo i {
                font-size: 20px;
            }
            .header-selects select {
                max-width: 90px;
                padding: 0.3rem 0.6rem;
                font-size: 11px;
            }
            .container {
                padding: 0 16px;
            }
            .timeline-card h3 {
                font-size: 15px;
            }
            .timeline-date {
                font-size: 11px;
                padding: 3px 8px;
            }
            .notice-tag {
                font-size: 11px;
                padding: 3px 8px;
            }
            .schedule-card {
                padding: 16px;
            }
            .btn-gold {
                width: 100%;
                justify-content: center;
            }
        }