/* roulang page: index */
:root {
            --primary: #1F3D35;
            --primary-dark: #162E27;
            --accent: #C9A96E;
            --bg: #FAF8F4;
            --white: #FFFFFF;
            --text-main: #2D2D2D;
            --text-sub: #6B6B6B;
            --text-light: #9E9E9E;
            --border: #E5E0D8;
            --success: #2E8B6E;
            --warning: #C45C3A;
            --info: #4A6FA5;
            --radius-card: 12px;
            --radius-block: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 1px 3px rgba(31, 61, 53, 0.06), 0 4px 12px rgba(31, 61, 53, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(31, 61, 53, 0.10);
            --transition: 150ms ease;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            background-color: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        main {
            flex: 1;
        }

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

        .logo-text {
            font-weight: 700;
            color: var(--primary);
            font-size: 22px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--accent);
        }

        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 12px;
            border-radius: 6px;
            transition: color var(--transition), background-color var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary);
            background-color: rgba(31, 61, 53, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .card-base {
            background: var(--white);
            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-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--primary);
        }

        .card-base:focus-within {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--bg);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: none;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease, transform 100ms ease;
        }

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

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: 1px solid var(--primary);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease, border-color 150ms ease;
        }

        .btn-secondary:hover {
            background-color: rgba(31, 61, 53, 0.1);
            border-color: var(--primary-dark);
        }

        .btn-secondary:active {
            border-color: var(--primary-dark);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-ghost {
            background-color: transparent;
            color: var(--accent);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: 1px solid var(--accent);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease;
        }

        .btn-ghost:hover {
            background-color: rgba(201, 169, 110, 0.2);
        }

        .section-padding {
            padding: 72px 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-sub);
            max-width: 780px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background-color: var(--accent);
            color: var(--primary);
        }

        .badge-green {
            background-color: var(--success);
            color: #fff;
        }

        .badge-warning {
            background-color: var(--warning);
            color: #fff;
        }

        .badge-info {
            background-color: var(--info);
            color: #fff;
        }

        .number-display {
            font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
            font-weight: 700;
            font-size: 28px;
            color: var(--primary);
            letter-spacing: -0.5px;
        }

        .stat-number {
            font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
            font-weight: 700;
            font-size: 36px;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-sub);
        }

        .footer-text {
            color: var(--bg);
        }

        .footer-link {
            color: var(--bg);
            text-decoration: none;
            transition: color var(--transition);
            font-size: 14px;
        }

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

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .faq-item.open {
            border-color: var(--primary);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 16px 20px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition);
        }

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

        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }

        .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            transition: transform 150ms ease;
            font-size: 18px;
        }

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .data-table thead th {
            background-color: var(--primary);
            color: var(--bg);
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }

        .data-table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
            text-align: right;
        }

        .data-table tbody tr:nth-child(even) {
            background-color: var(--bg);
        }

        .data-table tbody tr:hover {
            background-color: rgba(201, 169, 110, 0.1);
        }

        .timeline-item {
            position: relative;
            padding-left: 32px;
            padding-bottom: 32px;
            border-left: 2px solid var(--accent);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 0;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: var(--primary);
            border: 2px solid var(--accent);
        }

        .chart-bar {
            display: inline-block;
            width: 24px;
            background-color: var(--primary);
            border-radius: 4px 4px 0 0;
            transition: background-color var(--transition);
            cursor: pointer;
        }

        .chart-bar:hover {
            background-color: var(--accent);
        }

        .chart-bar.accent {
            background-color: var(--accent);
        }

        .chart-bar.accent:hover {
            background-color: var(--primary);
        }

        .nav-cta {
            background-color: var(--accent);
            color: var(--primary);
            padding: 8px 16px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 13px;
            text-decoration: none;
            transition: background-color var(--transition);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: #B8975D;
        }

        /* Mobile bottom tab */
        .bottom-tab {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: var(--bg);
            border-top: 1px solid var(--border);
            display: none;
            z-index: 100;
            height: 56px;
            padding-bottom: env(safe-area-inset-bottom, 0);
        }

        .bottom-tab nav {
            display: flex;
            justify-content: space-around;
            align-items: center;
            height: 56px;
        }

        .bottom-tab-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 10px;
            color: var(--text-light);
            text-decoration: none;
            transition: color var(--transition);
            padding: 4px 6px;
            border-radius: 6px;
        }

        .bottom-tab-link.active {
            color: var(--primary);
            font-weight: 700;
        }

        .bottom-tab-link:hover {
            color: var(--primary);
        }

        .bottom-tab-link svg {
            width: 22px;
            height: 22px;
            fill: currentColor;
        }

        @media (max-width: 640px) {
            .bottom-tab {
                display: block;
            }
            body {
                padding-bottom: 56px;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .stat-number {
                font-size: 28px;
            }
            .number-display {
                font-size: 22px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-top-nav {
                display: flex;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-sub {
                font-size: 16px;
            }
        }

        @media (min-width: 641px) {
            .mobile-top-nav {
                display: none;
            }
            .desktop-nav {
                display: flex;
            }
        }

        @media (max-width: 1024px) {
            .container-custom {
                max-width: 100%;
            }
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .card-grid-3,
            .card-grid-4,
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .hero-icon-matrix {
                grid-template-columns: repeat(3, 1fr);
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (min-width: 1025px) {
            .card-grid-3 {
                grid-template-columns: repeat(3, 1fr);
            }
            .card-grid-4 {
                grid-template-columns: repeat(4, 1fr);
            }
            .grid-2 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .hero-icon-matrix {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        .icon-tile {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 16px 8px;
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
            cursor: default;
        }

        .icon-tile:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .icon-tile svg {
            width: 32px;
            height: 32px;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .icon-tile span {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-main);
            text-align: center;
        }

        .status-bar {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 16px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--success);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .pricing-card {
            background: var(--white);
            border-radius: var(--radius-block);
            border: 1px solid var(--border);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            position: relative;
        }

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

        .pricing-card.featured {
            border-color: var(--accent);
            border-width: 2px;
        }

        .pricing-card .price {
            font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
            font-weight: 700;
            font-size: 40px;
            color: var(--primary);
        }

        .pricing-card .price-unit {
            font-size: 14px;
            color: var(--text-sub);
            font-weight: 400;
        }

        .news-item {
            display: flex;
            gap: 20px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            align-items: flex-start;
        }

        .news-date {
            flex-shrink: 0;
            background: var(--primary);
            color: var(--bg);
            border-radius: 8px;
            padding: 8px 10px;
            text-align: center;
            min-width: 52px;
        }

        .news-date .month {
            font-size: 12px;
            font-weight: 500;
            display: block;
        }

        .news-date .day {
            font-size: 20px;
            font-weight: 700;
            display: block;
            font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
        }

        .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            text-decoration: none;
            transition: color var(--transition);
        }

        .news-title:hover {
            color: var(--primary);
        }

        .news-summary {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-top: 4px;
        }

        .read-more {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            margin-top: 6px;
            transition: text-decoration var(--transition);
        }

        .read-more:hover {
            text-decoration: underline;
        }

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

        .step-card {
            text-align: center;
            padding: 28px 16px;
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
        }

        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            margin: 0 auto 12px;
            font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
        }

        .vertical-card {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .vertical-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .vertical-card img {
            width: 100%;
            height: auto;
            display: block;
            aspect-ratio: 3/4;
            object-fit: cover;
        }

        .vertical-card .vc-body {
            padding: 16px;
        }

        .screenshot-stage {
            background: var(--primary);
            border-radius: var(--radius-block);
            padding: 40px;
            color: var(--bg);
            position: relative;
            overflow: hidden;
        }

        .screenshot-mock {
            background: var(--white);
            border-radius: 12px;
            padding: 24px;
            color: var(--text-main);
            max-width: 720px;
            margin: 0 auto;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        .link-plain {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        .link-plain:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .grid-2 {
            display: grid;
            gap: 24px;
        }

        .card-grid-3 {
            display: grid;
            gap: 20px;
        }

        .card-grid-4 {
            display: grid;
            gap: 20px;
        }

        .pricing-grid {
            display: grid;
            gap: 20px;
        }

        @media (min-width: 1025px) {
            .pricing-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (min-width: 641px) and (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .pricing-grid {
                grid-template-columns: 1fr;
            }
        }

        .section-divider {
            border: none;
            border-top: 1px solid var(--border);
            margin: 0;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--text-sub);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }

        .skip-link {
            position: absolute;
            left: -999px;
            top: 0;
            background: var(--primary);
            color: var(--bg);
            padding: 8px 16px;
            border-radius: 0 0 8px 0;
            text-decoration: none;
            z-index: 999;
        }
        .skip-link:focus {
            left: 0;
        }

/* roulang page: category1 */
:root {
            --primary: #1F3D35;
            --primary-dark: #162E27;
            --accent: #C9A96E;
            --bg: #FAF8F4;
            --white: #FFFFFF;
            --text-main: #2D2D2D;
            --text-sub: #6B6B6B;
            --text-light: #9E9E9E;
            --border: #E5E0D8;
            --success: #2E8B6E;
            --warning: #C45C3A;
            --info: #4A6FA5;
            --radius-card: 12px;
            --radius-block: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 1px 3px rgba(31, 61, 53, 0.06), 0 4px 12px rgba(31, 61, 53, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(31, 61, 53, 0.10);
            --transition: 150ms ease;
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            background-color: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

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

        main {
            flex: 1;
            padding-top: 64px;
        }

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

        .logo-text {
            font-weight: 700;
            color: var(--primary);
            font-size: 22px;
            letter-spacing: 0.5px;
            white-space: nowrap;
            text-decoration: none;
        }
        .logo-text span {
            color: var(--accent);
        }

        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 12px;
            border-radius: 6px;
            transition: color var(--transition), background-color var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background-color: rgba(31, 61, 53, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .nav-cta {
            background-color: var(--primary);
            color: var(--bg);
            padding: 8px 16px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 13px;
            text-decoration: none;
            transition: background-color var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background-color: var(--primary-dark);
        }

        .card-base {
            background: var(--white);
            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-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--primary);
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--bg);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: none;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease, transform 100ms ease;
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: 1px solid var(--primary);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease, border-color 150ms ease;
        }
        .btn-secondary:hover {
            background-color: rgba(31, 61, 53, 0.1);
            border-color: var(--primary-dark);
        }

        .btn-ghost {
            background-color: transparent;
            color: var(--accent);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: 1px solid var(--accent);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease;
        }
        .btn-ghost:hover {
            background-color: rgba(201, 169, 110, 0.2);
        }

        .section-padding {
            padding: 56px 0;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-sub);
            max-width: 780px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background-color: var(--accent);
            color: var(--primary);
        }
        .badge-green {
            background-color: var(--success);
            color: #fff;
        }
        .badge-warning {
            background-color: var(--warning);
            color: #fff;
        }
        .badge-info {
            background-color: var(--info);
            color: #fff;
        }

        .footer-link {
            color: var(--bg);
            text-decoration: none;
            transition: color var(--transition);
            font-size: 14px;
        }
        .footer-link:hover {
            color: var(--accent);
        }

        .desktop-nav {
            display: flex;
        }
        .mobile-top-nav {
            display: none;
        }
        .mobile-bottom-tab {
            display: none;
        }

        /* 号码方块 */
        .number-chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 48px;
            border-radius: 6px;
            background-color: var(--primary);
            color: var(--bg);
            font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
            font-size: 20px;
            font-weight: 700;
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: default;
            position: relative;
        }
        .number-chip:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 16px rgba(31, 61, 53, 0.25);
        }
        .number-chip.special {
            background-color: var(--accent);
            color: var(--primary);
        }
        .number-chip.lg {
            width: 52px;
            height: 60px;
            font-size: 26px;
            border-radius: 8px;
        }

        /* 表格 */
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .data-table th {
            background-color: var(--primary);
            color: var(--bg);
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
            white-space: nowrap;
        }
        .data-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            text-align: left;
            white-space: nowrap;
        }
        .data-table tr:nth-child(even) td {
            background-color: var(--bg);
        }
        .data-table tr:nth-child(odd) td {
            background-color: var(--white);
        }
        .data-table tr:hover td {
            background-color: rgba(201, 169, 110, 0.1);
        }
        .data-table td.num-cell {
            font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
            font-weight: 600;
            text-align: right;
        }

        /* 筛选器 */
        .filter-select,
        .filter-input {
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background-color: var(--white);
            padding: 0 14px;
            font-size: 14px;
            color: var(--text-main);
            font-family: inherit;
            transition: border-color var(--transition);
            outline: none;
        }
        .filter-select:focus,
        .filter-input:focus {
            border-color: var(--primary);
            outline: 2px solid rgba(31, 61, 53, 0.1);
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-sub);
            font-weight: 500;
            margin-bottom: 4px;
            display: block;
        }

        /* 翻页 */
        .pagination {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .page-btn {
            min-width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            border: 1px solid var(--border);
            background-color: var(--white);
            color: var(--text-main);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition);
            padding: 0 10px;
        }
        .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .page-btn.active {
            background-color: var(--primary);
            color: var(--bg);
            border-color: var(--primary);
        }
        .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* FAQ */
        .faq-item {
            background: var(--white);
            border-radius: 8px;
            border: 1px solid var(--border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item.open {
            border-color: var(--primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            user-select: none;
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-toggle {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: rgba(31, 61, 53, 0.08);
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 250ms ease;
            padding: 0 20px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 20px 16px;
        }

        /* Hero */
        .hero-section {
            background: linear-gradient(135deg, var(--bg) 30%, rgba(201, 169, 110, 0.1) 100%);
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        /* 移动端底部Tab */
        .mobile-bottom-tab {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--bg);
            border-top: 1px solid var(--border);
            z-index: 60;
            display: none;
            align-items: center;
            justify-content: space-around;
            padding-bottom: env(safe-area-inset-bottom, 0);
        }
        .mobile-tab-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 10px;
            color: var(--text-light);
            text-decoration: none;
            transition: color var(--transition);
            font-weight: 500;
            padding: 4px 8px;
        }
        .mobile-tab-link.active {
            color: var(--primary);
            font-weight: 700;
        }
        .mobile-tab-link .tab-icon {
            font-size: 18px;
            line-height: 1;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .desktop-nav {
                display: none;
            }
            .mobile-top-nav {
                display: flex;
            }
            .mobile-bottom-tab {
                display: flex;
            }
            main {
                padding-bottom: 72px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .number-chip.lg {
                width: 42px;
                height: 52px;
                font-size: 22px;
            }
            .number-chip {
                width: 34px;
                height: 42px;
                font-size: 17px;
            }
            .data-table {
                font-size: 12px;
            }
            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
        }

        @media (max-width: 640px) {
            .container-custom {
                padding: 0 16px;
            }
            main {
                padding-top: 56px;
            }
            .hero-section {
                padding: 32px 0 28px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-padding {
                padding: 28px 0;
            }
            .number-chip.lg {
                width: 34px;
                height: 44px;
                font-size: 18px;
                border-radius: 6px;
            }
            .number-chip {
                width: 28px;
                height: 36px;
                font-size: 14px;
            }
            .data-table {
                font-size: 11px;
            }
            .data-table th,
            .data-table td {
                padding: 6px 8px;
            }
            .pagination {
                gap: 4px;
            }
            .page-btn {
                min-width: 30px;
                height: 32px;
                font-size: 12px;
                padding: 0 6px;
            }
            .logo-text {
                font-size: 18px;
            }
        }

        @media (max-width: 375px) {
            .number-chip.lg {
                width: 28px;
                height: 38px;
                font-size: 16px;
            }
            .number-chip {
                width: 24px;
                height: 32px;
                font-size: 12px;
            }
            .data-table {
                font-size: 10px;
            }
            .data-table th,
            .data-table td {
                padding: 4px 6px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1F3D35;
            --primary-dark: #162E27;
            --accent: #C9A96E;
            --bg: #FAF8F4;
            --white: #FFFFFF;
            --text-main: #2D2D2D;
            --text-sub: #6B6B6B;
            --text-light: #9E9E9E;
            --border: #E5E0D8;
            --success: #2E8B6E;
            --warning: #C45C3A;
            --info: #4A6FA5;
            --radius-card: 12px;
            --radius-block: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 1px 3px rgba(31, 61, 53, 0.06), 0 4px 12px rgba(31, 61, 53, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(31, 61, 53, 0.10);
            --transition: 150ms ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            background-color: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-bottom: 0;
        }
        main {
            flex: 1;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-text {
            font-weight: 700;
            color: var(--primary);
            font-size: 22px;
            letter-spacing: 0.5px;
            white-space: nowrap;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
        }
        .logo-text span {
            color: var(--accent);
        }
        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 10px;
            border-radius: 6px;
            transition: color var(--transition), background-color var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background-color: rgba(31, 61, 53, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            background-color: var(--primary);
            color: var(--bg);
            padding: 8px 16px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 13px;
            text-decoration: none;
            transition: background-color var(--transition);
            white-space: nowrap;
            display: inline-block;
        }
        .nav-cta:hover {
            background-color: var(--primary-dark);
        }
        .desktop-nav {
            display: flex;
        }
        .mobile-top-nav {
            display: none;
        }
        .card-base {
            background: var(--white);
            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-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .btn-primary {
            background-color: var(--primary);
            color: var(--bg);
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: none;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease, transform 100ms ease;
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: 1px solid var(--primary);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease, border-color 150ms ease;
        }
        .btn-secondary:hover {
            background-color: rgba(31, 61, 53, 0.1);
            border-color: var(--primary-dark);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .section-padding {
            padding: 60px 0;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-sub);
            max-width: 780px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background-color: var(--accent);
            color: var(--primary);
        }
        .badge-green {
            background-color: var(--success);
            color: #fff;
        }
        .badge-warning {
            background-color: var(--warning);
            color: #fff;
        }
        .badge-info {
            background-color: var(--info);
            color: #fff;
        }
        .footer-link {
            color: rgba(250, 248, 244, 0.8);
            text-decoration: none;
            transition: color var(--transition);
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-link:hover {
            color: var(--accent);
        }
        .data-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            background: var(--white);
            box-shadow: var(--shadow-card);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 860px;
        }
        .data-table th {
            background-color: var(--primary);
            color: var(--bg);
            padding: 12px 14px;
            text-align: center;
            font-weight: 600;
            font-size: 13px;
            white-space: nowrap;
        }
        .data-table td {
            padding: 11px 14px;
            text-align: center;
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
        }
        .data-table tbody tr:nth-child(even) {
            background-color: var(--bg);
        }
        .data-table tbody tr:hover {
            background-color: rgba(201, 169, 110, 0.12);
            cursor: pointer;
        }
        .num-box {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 38px;
            border-radius: 6px;
            background-color: var(--primary);
            color: var(--bg);
            font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
            font-weight: 700;
            font-size: 15px;
            margin: 0 2px;
        }
        .num-box.highlight {
            background-color: var(--accent);
            color: var(--primary);
        }
        .filter-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .filter-select,
        .filter-input {
            height: 40px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            padding: 0 14px;
            font-size: 14px;
            color: var(--text-main);
            background: var(--white);
            transition: border-color var(--transition);
            font-family: inherit;
            min-width: 140px;
        }
        .filter-select:focus,
        .filter-input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-sub);
            font-weight: 500;
        }
        .stat-value {
            font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
            font-weight: 700;
            color: var(--primary);
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item.active {
            border-color: var(--primary);
        }
        .faq-question {
            padding: 16px 18px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            background: transparent;
            border: none;
            text-align: left;
            width: 100%;
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: var(--bg);
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
            transition: transform var(--transition);
        }
        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
            background-color: var(--primary);
            color: var(--bg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 250ms ease, padding 250ms ease;
            padding: 0 18px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 18px 16px;
        }
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--bg);
            border-top: 1px solid var(--border);
            z-index: 60;
            padding-bottom: env(safe-area-inset-bottom);
        }
        .bottom-tab-list {
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            height: 100%;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .bottom-tab-list li {
            flex: 1;
        }
        .bottom-tab-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            text-decoration: none;
            font-size: 10px;
            color: var(--text-light);
            height: 100%;
            transition: color var(--transition);
        }
        .bottom-tab-link svg {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }
        .bottom-tab-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .bottom-tab-link:not(.active):hover {
            color: var(--text-sub);
        }
        .hero-backdrop {
            background: linear-gradient(160deg, var(--bg) 55%, rgba(201, 169, 110, 0.16) 100%);
            min-height: 420px;
            display: flex;
            align-items: center;
            padding-top: 80px;
            padding-bottom: 48px;
            border-bottom: 1px solid var(--border);
        }
        .hero-img-frame {
            border-radius: var(--radius-block);
            border: 2px solid var(--accent);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
        }
        .hero-img-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .stat-summary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .stat-summary-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .stat-summary-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .stat-summary-card .stat-label {
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 8px;
        }
        .stat-summary-card .stat-number {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
        }
        .stat-summary-card .stat-meta {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 6px;
        }
        .content-article {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-main);
        }
        .content-article p {
            margin-bottom: 1.2em;
        }
        .timeline-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
            margin-top: 6px;
        }
        @media (max-width: 1024px) {
            .stat-summary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-padding {
                padding: 48px 0;
            }
            .hero-backdrop {
                min-height: auto;
                padding-top: 72px;
                padding-bottom: 36px;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-top-nav {
                display: flex;
            }
            .bottom-tab-nav {
                display: block;
            }
            body {
                padding-bottom: 64px;
            }
            .stat-summary-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .section-title {
                font-size: 22px;
            }
            .hero-backdrop {
                flex-direction: column;
            }
            .hero-img-frame {
                max-height: 240px;
                margin-top: 24px;
            }
            .filter-group {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-select,
            .filter-input {
                width: 100%;
                min-width: auto;
            }
            .container-custom {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .stat-summary-grid {
                grid-template-columns: 1fr;
            }
            .section-padding {
                padding: 40px 0;
            }
            .logo-text {
                font-size: 18px;
            }
            .hero-backdrop {
                padding-top: 64px;
            }
        }
        @media (min-width: 769px) {
            .bottom-tab-nav {
                display: none;
            }
        }
        .table-pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            padding: 16px 0;
            flex-wrap: wrap;
        }
        .page-btn {
            padding: 7px 14px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: var(--white);
            color: var(--text-main);
            font-size: 13px;
            cursor: pointer;
            transition: all var(--transition);
            font-family: inherit;
        }
        .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .page-btn.active {
            background: var(--primary);
            color: var(--bg);
            border-color: var(--primary);
        }
        .page-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

/* roulang page: category2 */
:root {
            --primary: #1F3D35;
            --primary-dark: #162E27;
            --accent: #C9A96E;
            --bg: #FAF8F4;
            --white: #FFFFFF;
            --text-main: #2D2D2D;
            --text-sub: #6B6B6B;
            --text-light: #9E9E9E;
            --border: #E5E0D8;
            --success: #2E8B6E;
            --warning: #C45C3A;
            --info: #4A6FA5;
            --radius-card: 12px;
            --radius-block: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 1px 3px rgba(31, 61, 53, 0.06), 0 4px 12px rgba(31, 61, 53, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(31, 61, 53, 0.10);
            --transition: 150ms ease;
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            background-color: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-bottom: 72px;
        }

        main {
            flex: 1;
        }

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

        .logo-text {
            font-weight: 700;
            color: var(--primary);
            font-size: 22px;
            letter-spacing: 0.5px;
            white-space: nowrap;
            text-decoration: none;
        }

        .logo-text span {
            color: var(--accent);
        }

        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 12px;
            border-radius: 6px;
            transition: color var(--transition), background-color var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary);
            background-color: rgba(31, 61, 53, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .card-base {
            background: var(--white);
            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-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--primary);
        }

        .card-base:focus-within {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--bg);
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: none;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease, transform 100ms ease;
        }

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

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: 1px solid var(--primary);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease, border-color 150ms ease;
        }

        .btn-secondary:hover {
            background-color: rgba(31, 61, 53, 0.1);
            border-color: var(--primary-dark);
        }

        .btn-secondary:active {
            border-color: var(--primary-dark);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-ghost {
            background-color: transparent;
            color: var(--accent);
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: 1px solid var(--accent);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease;
        }

        .btn-ghost:hover {
            background-color: rgba(201, 169, 110, 0.2);
        }

        .section-padding {
            padding: 56px 0;
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-sub);
            max-width: 780px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background-color: var(--accent);
            color: var(--primary);
        }

        .badge-green {
            background-color: var(--success);
            color: #fff;
        }

        .badge-warning {
            background-color: var(--warning);
            color: #fff;
        }

        .badge-info {
            background-color: var(--info);
            color: #fff;
        }

        .footer-link {
            color: var(--bg);
            text-decoration: none;
            transition: color var(--transition);
            font-size: 14px;
        }

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

        .nav-cta {
            background-color: var(--primary);
            color: var(--bg);
            padding: 8px 16px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 13px;
            text-decoration: none;
            transition: background-color 150ms ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: var(--primary-dark);
        }

        .desktop-nav {
            display: flex;
        }

        .mobile-top-nav {
            display: none;
        }

        @media (max-width: 1023px) {
            .desktop-nav {
                display: none;
            }
            .mobile-top-nav {
                display: flex;
            }
        }

        .trend-bar {
            transition: height 200ms ease;
            border-radius: 4px 4px 0 0;
            cursor: pointer;
            position: relative;
            min-height: 4px;
        }

        .trend-bar:hover {
            opacity: 0.85;
        }

        .trend-bar:hover::after {
            content: attr(data-value);
            position: absolute;
            top: -28px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 11px;
            font-family: var(--mono);
            white-space: nowrap;
            z-index: 10;
        }

        .data-table th {
            background-color: var(--primary);
            color: var(--bg);
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
            font-size: 13px;
            letter-spacing: 0.5px;
        }

        .data-table td {
            padding: 10px 16px;
            font-size: 14px;
            border-bottom: 1px solid var(--border);
            color: var(--text-main);
        }

        .data-table tr:nth-child(even) td {
            background-color: var(--bg);
        }

        .data-table tr:hover td {
            background-color: rgba(201, 169, 110, 0.1);
        }

        .data-table .mono-cell {
            font-family: 'ui-monospace', 'SF Mono', 'Menlo', 'Consolas', monospace;
            text-align: right;
        }

        .filter-input {
            height: 40px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 0 12px;
            font-size: 14px;
            background-color: var(--white);
            color: var(--text-main);
            transition: border-color 150ms ease;
            font-family: inherit;
        }

        .filter-input:focus {
            border-color: var(--primary);
            outline: none;
        }

        .filter-input::placeholder {
            color: var(--text-light);
        }

        select.filter-input {
            appearance: auto;
            cursor: pointer;
        }

        .mobile-bottom-tab {
            display: none;
        }

        @media (max-width: 1023px) {
            .mobile-bottom-tab {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                height: 56px;
                background: var(--bg);
                border-top: 1px solid var(--border);
                z-index: 50;
                align-items: stretch;
                justify-content: space-around;
                padding-bottom: env(safe-area-inset-bottom);
            }
            .mobile-bottom-tab a {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 2px;
                font-size: 10px;
                color: var(--text-light);
                text-decoration: none;
                transition: color 150ms ease;
                font-weight: 500;
            }
            .mobile-bottom-tab a.active {
                color: var(--primary);
                font-weight: 700;
            }
            .mobile-bottom-tab a svg {
                width: 20px;
                height: 20px;
                flex-shrink: 0;
            }
            body {
                padding-bottom: 72px;
            }
        }

        .trend-chart-area {
            background: var(--white);
            border-radius: var(--radius-block);
            border: 1px solid var(--border);
            padding: 24px;
            overflow-x: auto;
        }

        .trend-chart-inner {
            min-width: 640px;
        }

        .trend-bar-grid {
            display: grid;
            grid-template-columns: 80px repeat(14, 1fr);
            gap: 6px;
            align-items: end;
        }

        .chart-label {
            font-size: 12px;
            color: var(--text-sub);
            text-align: right;
            padding-right: 8px;
            font-family: 'ui-monospace', 'SF Mono', 'Menlo', 'Consolas', monospace;
        }

        .chart-period-label {
            font-size: 11px;
            color: var(--text-sub);
            text-align: center;
            font-family: 'ui-monospace', 'SF Mono', 'Menlo', 'Consolas', monospace;
        }

        .hero-section {
            background: linear-gradient(135deg, var(--bg) 0%, rgba(201, 169, 110, 0.12) 100%);
            padding: 48px 0 36px;
            border-bottom: 1px solid var(--border);
        }

        .draw-ball {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 42px;
            border-radius: 6px;
            background: var(--primary);
            color: var(--bg);
            font-weight: 700;
            font-family: 'ui-monospace', 'SF Mono', 'Menlo', 'Consolas', monospace;
            font-size: 16px;
            transition: background-color 150ms ease;
        }

        .draw-ball:hover {
            background: var(--primary-dark);
        }

        @media (max-width: 640px) {
            .draw-ball {
                width: 30px;
                height: 36px;
                font-size: 14px;
                border-radius: 5px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-title {
                font-size: 20px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .data-table th,
            .data-table td {
                padding: 8px 10px;
                font-size: 12px;
            }
            .trend-chart-area {
                padding: 12px;
            }
        }

        @media (max-width: 375px) {
            .draw-ball {
                width: 26px;
                height: 32px;
                font-size: 12px;
            }
        }

        .timeline-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
        }

/* roulang page: category5 */
:root {
            --primary: #1F3D35;
            --primary-dark: #162E27;
            --accent: #C9A96E;
            --bg: #FAF8F4;
            --white: #FFFFFF;
            --text-main: #2D2D2D;
            --text-sub: #6B6B6B;
            --text-light: #9E9E9E;
            --border: #E5E0D8;
            --success: #2E8B6E;
            --warning: #C45C3A;
            --info: #4A6FA5;
            --radius-card: 12px;
            --radius-block: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 1px 3px rgba(31, 61, 53, 0.06), 0 4px 12px rgba(31, 61, 53, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(31, 61, 53, 0.10);
            --transition: 150ms ease;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            background-color: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-bottom: 70px;
        }

        @media (min-width: 1024px) {
            body {
                padding-bottom: 0;
            }
        }

        main {
            flex: 1;
        }

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

        .logo-text {
            font-weight: 700;
            color: var(--primary);
            font-size: 22px;
            letter-spacing: 0.5px;
            white-space: nowrap;
            text-decoration: none;
        }
        .logo-text span {
            color: var(--accent);
        }

        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 10px;
            border-radius: 6px;
            transition: color var(--transition), background-color var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background-color: rgba(31, 61, 53, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .nav-cta {
            background-color: var(--accent);
            color: var(--primary);
            padding: 8px 16px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 13px;
            text-decoration: none;
            transition: background-color 150ms ease;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background-color: #d4b57e;
        }

        .card-base {
            background: var(--white);
            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-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .card-base:focus-within {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--bg);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: none;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease, transform 100ms ease;
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: 1px solid var(--primary);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease, border-color 150ms ease;
        }
        .btn-secondary:hover {
            background-color: rgba(31, 61, 53, 0.1);
            border-color: var(--primary-dark);
        }
        .btn-secondary:active {
            border-color: var(--primary-dark);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-ghost {
            background-color: transparent;
            color: var(--accent);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: 1px solid var(--accent);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease;
        }
        .btn-ghost:hover {
            background-color: rgba(201, 169, 110, 0.2);
        }

        .section-padding {
            padding: 60px 0;
        }

        @media (min-width: 1024px) {
            .section-padding {
                padding: 80px 0;
            }
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 28px;
            }
        }

        .section-desc {
            font-size: 14px;
            color: var(--text-sub);
            max-width: 780px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        @media (min-width: 768px) {
            .section-desc {
                font-size: 15px;
            }
        }

        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background-color: var(--accent);
            color: var(--primary);
        }
        .badge-green {
            background-color: var(--success);
            color: #fff;
        }
        .badge-warning {
            background-color: var(--warning);
            color: #fff;
        }
        .badge-info {
            background-color: var(--info);
            color: #fff;
        }

        .footer-link {
            color: var(--bg);
            text-decoration: none;
            transition: color var(--transition);
            font-size: 14px;
        }
        .footer-link:hover {
            color: var(--accent);
        }

        .bottom-tab-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 10px;
            color: var(--text-light);
            text-decoration: none;
            padding: 6px 4px;
            border-radius: 8px;
            transition: color 150ms ease, background-color 150ms ease;
            flex: 1;
            min-width: 0;
        }
        .bottom-tab-link .tab-icon {
            font-size: 18px;
            line-height: 1;
        }
        .bottom-tab-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .bottom-tab-link.active .tab-icon {
            color: var(--primary);
        }
        .bottom-tab-link:hover {
            color: var(--primary);
            background-color: rgba(31, 61, 53, 0.05);
        }

        .time-cell {
            min-height: 70px;
            border-radius: 8px;
            padding: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            font-size: 12px;
            color: var(--text-sub);
            transition: all 150ms ease;
            position: relative;
        }
        .time-cell.has-draw {
            background: var(--primary);
            color: var(--bg);
            border-color: var(--primary);
            font-weight: 600;
            cursor: pointer;
        }
        .time-cell.has-draw:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-card);
        }
        .time-cell.today-ring {
            outline: 2px solid var(--accent);
            outline-offset: 1px;
        }
        .time-cell .draw-time-mini {
            display: block;
            font-size: 11px;
            font-weight: 400;
            margin-top: 2px;
            opacity: 0.85;
        }

        .timeline-dot {
            flex-shrink: 0;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid var(--accent);
            margin-top: 4px;
        }
        .timeline-line {
            position: absolute;
            left: 6px;
            top: 22px;
            bottom: 0;
            width: 2px;
            background: var(--border);
        }

        .schedule-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            background: var(--white);
            margin-bottom: 10px;
            transition: all var(--transition);
            flex-wrap: wrap;
        }
        .schedule-row:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }
        .status-dot.online {
            background: var(--success);
        }
        .status-dot.upcoming {
            background: var(--accent);
        }
        .status-dot.ended {
            background: var(--text-light);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            white-space: nowrap;
            border: 0;
        }

        section[id] {
            scroll-margin-top: 80px;
        }

        .tag-chip {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-sub);
            border: 1px solid var(--border);
            text-decoration: none;
            transition: all var(--transition);
        }
        .tag-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

/* roulang page: category4 */
:root {
            --primary: #1F3D35;
            --primary-dark: #162E27;
            --accent: #C9A96E;
            --bg: #FAF8F4;
            --white: #FFFFFF;
            --text-main: #2D2D2D;
            --text-sub: #6B6B6B;
            --text-light: #9E9E9E;
            --border: #E5E0D8;
            --success: #2E8B6E;
            --warning: #C45C3A;
            --info: #4A6FA5;
            --radius-card: 12px;
            --radius-block: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 1px 3px rgba(31, 61, 53, 0.06), 0 4px 12px rgba(31, 61, 53, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(31, 61, 53, 0.10);
            --transition: 150ms ease;
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            background-color: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-bottom: 72px;
        }

        main {
            flex: 1;
        }

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

        .logo-text {
            font-weight: 700;
            color: var(--primary);
            font-size: 22px;
            letter-spacing: 0.5px;
            white-space: nowrap;
            text-decoration: none;
        }
        .logo-text span {
            color: var(--accent);
        }

        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 12px;
            border-radius: 6px;
            transition: color var(--transition), background-color var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background-color: rgba(31, 61, 53, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .nav-cta {
            background-color: var(--primary);
            color: var(--bg);
            padding: 8px 16px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 13px;
            text-decoration: none;
            display: inline-block;
            transition: background-color var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background-color: var(--primary-dark);
        }

        .card-base {
            background: var(--white);
            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-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .card-base:focus-within {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--bg);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: none;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease, transform 100ms ease;
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: 1px solid var(--primary);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease, border-color 150ms ease;
        }
        .btn-secondary:hover {
            background-color: rgba(31, 61, 53, 0.1);
            border-color: var(--primary-dark);
        }
        .btn-secondary:active {
            border-color: var(--primary-dark);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-ghost {
            background-color: transparent;
            color: var(--accent);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: 1px solid var(--accent);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease;
        }
        .btn-ghost:hover {
            background-color: rgba(201, 169, 110, 0.2);
        }

        .section-padding {
            padding: 72px 0;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-sub);
            max-width: 780px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background-color: var(--accent);
            color: var(--primary);
        }
        .badge-green {
            background-color: var(--success);
            color: #fff;
        }
        .badge-warning {
            background-color: var(--warning);
            color: #fff;
        }
        .badge-info {
            background-color: var(--info);
            color: #fff;
        }

        .footer-link {
            color: var(--bg);
            text-decoration: none;
            transition: color var(--transition);
            font-size: 14px;
        }
        .footer-link:hover {
            color: var(--accent);
        }

        .article-content h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin: 32px 0 16px;
            padding-left: 12px;
            border-left: 3px solid var(--accent);
        }
        .article-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary-dark);
            margin: 24px 0 12px;
        }
        .article-content p {
            margin-bottom: 16px;
            color: var(--text-main);
            line-height: 1.9;
        }
        .article-content ul {
            margin-bottom: 16px;
            padding-left: 20px;
        }
        .article-content ul li {
            margin-bottom: 8px;
            color: var(--text-main);
            list-style-type: disc;
        }

        .data-table th {
            background-color: var(--primary);
            color: var(--bg);
            font-weight: 600;
            padding: 12px 16px;
            text-align: right;
            font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
            white-space: nowrap;
        }
        .data-table th:first-child {
            text-align: left;
        }
        .data-table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border);
            text-align: right;
            font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
            white-space: nowrap;
        }
        .data-table td:first-child {
            text-align: left;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
        }
        .data-table tr:nth-child(even) {
            background-color: rgba(250, 248, 244, 0.6);
        }
        .data-table tbody tr:hover {
            background-color: rgba(201, 169, 110, 0.1);
        }

        .chart-bar {
            background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: 4px 4px 0 0;
            min-width: 18px;
            transition: all 200ms ease;
        }
        .chart-bar:hover {
            background: linear-gradient(180deg, var(--accent) 0%, #b8934e 100%);
        }
        .chart-bar.accent-bar {
            background: linear-gradient(180deg, var(--accent) 0%, #b8934e 100%);
        }

        .desktop-nav {
            display: flex;
        }
        .mobile-top-nav {
            display: none;
        }
        .mobile-bottom-tab {
            display: none;
        }

        @media (max-width: 1024px) {
            .desktop-nav {
                display: none !important;
            }
            .mobile-top-nav {
                display: flex;
            }
            .mobile-bottom-tab {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                height: 56px;
                background: var(--bg);
                border-top: 1px solid var(--border);
                z-index: 60;
                align-items: center;
                justify-content: space-around;
                padding-bottom: env(safe-area-inset-bottom, 0);
            }
            .mobile-tab-link {
                display: flex;
                flex-direction: column;
                align-items: center;
                gap: 2px;
                font-size: 10px;
                color: var(--text-light);
                text-decoration: none;
                font-weight: 500;
                transition: color var(--transition);
                padding: 4px 8px;
            }
            .mobile-tab-link.active {
                color: var(--primary);
                font-weight: 700;
            }
            .mobile-tab-link:hover {
                color: var(--primary);
            }
            .mobile-tab-link span:first-child {
                font-size: 18px;
                line-height: 1;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .container-custom {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 22px;
            }
            .mobile-top-nav .logo-text {
                font-size: 18px;
            }
        }

/* FAQ details/summary custom icon rotation */
            details[open] .faq-icon {
                transform: rotate(45deg);
            }
            .faq-icon {
                transition: transform var(--transition);
                display: inline-block;
            }
            details summary::-webkit-details-marker {
                display: none;
            }
            .faq-item {
                border-radius: 8px;
                transition: border-color var(--transition);
            }
            .faq-item[open] > summary {
                border-bottom-left-radius: 0;
                border-bottom-right-radius: 0;
                border-color: var(--primary);
            }

            /* Mobile bottom tab visibility */
            @media (max-width: 1024px) {
                .mobile-bottom-tab { display: flex !important; }
                /* Hide desktop nav if needed, but keep top as per design */
                body { padding-bottom: 56px; }
            }
            @media (min-width: 1025px) {
                .mobile-bottom-tab { display: none !important; }
                body { padding-bottom: 0; }
            }
            /* Active states for mobile tab */
            .mobile-tab-item.active {
                color: var(--primary) !important;
            }
            .mobile-tab-item.active span {
                color: var(--primary) !important;
            }
            /* Chart bar base */
            .chart-bar {
                background-color: var(--primary);
                border-radius: 4px 4px 0 0;
                transition: background-color var(--transition), height var(--transition);
                min-height: 4px;
            }
            .chart-bar:hover {
                background-color: var(--primary-dark);
            }
            .accent-bar {
                background-color: var(--accent);
            }
            .accent-bar:hover {
                background-color: #B0905A;
            }
            /* Data table styling */
            .data-table th {
                background-color: var(--primary);
                color: var(--bg);
                font-weight: 600;
                font-size: 13px;
                white-space: nowrap;
            }
            .data-table td {
                font-size: 14px;
                padding: 10px 16px;
                border-bottom: 1px solid var(--border);
                font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
                text-align: right;
                white-space: nowrap;
            }
            .data-table tr:nth-child(even) {
                background-color: #FAF8F4;
            }
            .data-table tr:hover {
                background-color: rgba(201, 169, 110, 0.1);
            }
            /* Responsive adjustments for charts */
            @media (max-width: 640px) {
                .chart-bar { max-width: 24px !important; }
            }

/* roulang page: category6 */
:root {
            --primary: #1F3D35;
            --primary-dark: #162E27;
            --accent: #C9A96E;
            --bg: #FAF8F4;
            --white: #FFFFFF;
            --text-main: #2D2D2D;
            --text-sub: #6B6B6B;
            --text-light: #9E9E9E;
            --border: #E5E0D8;
            --success: #2E8B6E;
            --warning: #C45C3A;
            --info: #4A6FA5;
            --radius-card: 12px;
            --radius-block: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 1px 3px rgba(31, 61, 53, 0.06), 0 4px 12px rgba(31, 61, 53, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(31, 61, 53, 0.10);
            --transition: 150ms ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            background-color: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-top: 64px;
        }
        main {
            flex: 1;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-text {
            font-weight: 700;
            color: var(--primary);
            font-size: 22px;
            letter-spacing: 0.5px;
            white-space: nowrap;
            text-decoration: none;
        }
        .logo-text span {
            color: var(--accent);
        }
        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 12px;
            border-radius: 6px;
            transition: color var(--transition), background-color var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background-color: rgba(31, 61, 53, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }
        .section-padding {
            padding: 72px 0;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-sub);
            max-width: 780px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .btn-primary {
            background-color: var(--primary);
            color: var(--bg);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: none;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease, transform 100ms ease;
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            border: 1px solid var(--primary);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 150ms ease, border-color 150ms ease;
        }
        .btn-secondary:hover {
            background-color: rgba(31, 61, 53, 0.1);
            border-color: var(--primary-dark);
        }
        .btn-secondary:active {
            border-color: var(--primary-dark);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .card-base {
            background: var(--white);
            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-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .card-base:focus-within {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background-color: var(--accent);
            color: var(--primary);
        }
        .badge-green {
            background-color: var(--success);
            color: #fff;
        }
        .badge-warning {
            background-color: var(--warning);
            color: #fff;
        }
        .badge-info {
            background-color: var(--info);
            color: #fff;
        }
        .footer-link {
            color: var(--bg);
            text-decoration: none;
            transition: color var(--transition);
            font-size: 14px;
        }
        .footer-link:hover {
            color: var(--accent);
        }
        .mobile-bottom-tab {
            display: none;
        }
        .desktop-nav {
            display: flex;
        }
        .mobile-top-nav {
            display: none;
        }
        @media (max-width: 1024px) {
            .desktop-nav {
                display: none;
            }
            .mobile-top-nav {
                display: flex;
                align-items: center;
                gap: 8px;
            }
            .mobile-top-nav .logo-text {
                display: block !important;
            }
            .mobile-bottom-tab {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                height: 56px;
                background: var(--bg);
                border-top: 1px solid var(--border);
                z-index: 60;
                align-items: center;
                justify-content: space-around;
                padding-bottom: env(safe-area-inset-bottom, 0);
            }
            .mobile-bottom-tab a {
                display: flex;
                flex-direction: column;
                align-items: center;
                gap: 2px;
                font-size: 10px;
                color: var(--text-light);
                text-decoration: none;
                transition: color var(--transition);
            }
            .mobile-bottom-tab a i {
                font-size: 18px;
            }
            .mobile-bottom-tab a.active-tab {
                color: var(--primary);
                font-weight: 600;
            }
            body {
                padding-bottom: 80px;
            }
            .section-padding {
                padding: 48px 0;
            }
        }
        @media (max-width: 640px) {
            .section-title {
                font-size: 24px;
            }
            .container-custom {
                padding: 0 16px;
            }
        }
        .hero-section {
            background: linear-gradient(135deg, var(--bg) 0%, rgba(201, 169, 110, 0.1) 100%);
            border-bottom: 1px solid var(--border);
            padding: 56px 0 64px;
        }
        .hero-image-wrapper {
            border: 1px solid var(--accent);
            border-radius: var(--radius-block);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .news-card-date {
            background: var(--primary);
            color: var(--bg);
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 60px;
            padding: 8px 4px;
        }
        .news-card-date .month {
            font-size: 12px;
            opacity: 0.85;
        }
        .news-card-date .day {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.2;
        }
        .tag-link {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            background: var(--white);
            border: 1px solid var(--border);
            color: var(--text-sub);
            font-size: 13px;
            text-decoration: none;
            transition: all var(--transition);
        }
        .tag-link:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(31, 61, 53, 0.06);
        }
        .pagination-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: var(--white);
            color: var(--text-main);
            font-size: 14px;
            text-decoration: none;
            transition: all var(--transition);
        }
        .pagination-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(31, 61, 53, 0.06);
        }
        .pagination-btn.active-page {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--bg);
            font-weight: 600;
        }
        .faq-item {
            background: var(--white);
            border-radius: 8px;
            border: 1px solid var(--border);
            padding: 16px 20px;
            margin-bottom: 12px;
            transition: border-color var(--transition);
        }
        .faq-item:focus-within {
            border-color: var(--primary);
        }
        .faq-question {
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            text-align: left;
            width: 100%;
            background: none;
            border: none;
            padding: 0;
        }
        .faq-answer {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-top: 10px;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-icon {
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .section-divider {
            border: none;
            border-top: 1px solid var(--border);
            margin: 0;
        }