/* roulang page: index */
:root {
            --primary: #0F3D3E;
            --primary-dark: #0B2D2E;
            --secondary: #F2A104;
            --accent: #E63946;
            --bg: #F5F7FA;
            --card-bg: #FFFFFF;
            --border: #E9ECEF;
            --text-dark: #1A1A1A;
            --text-body: #2C3E50;
            --text-muted: #6B7280;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
            --transition: 0.2s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.35;
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 800;
        }

        h2 {
            font-size: 1.75rem;
            font-weight: 700;
        }

        h3 {
            font-size: 1.25rem;
            font-weight: 700;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 56px 0;
        }

        .section-alt {
            background-color: var(--card-bg);
        }

        .section-dark {
            background-color: var(--primary-dark);
            color: #E5E7EB;
        }

        .section-dark h2,
        .section-dark h3 {
            color: #FFFFFF;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--secondary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
            max-width: 680px;
        }

        /* Header / Navigation */
        .site-header {
            background-color: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 1px 10px rgba(0,0,0,0.05);
        }

        .navbar-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            padding: 0 20px;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
        }

        .navbar-left,
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
        }

        .navbar-left {
            justify-content: flex-end;
        }

        .navbar-right {
            justify-content: flex-start;
        }

        .navbar-brand-text {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition);
            padding: 0 20px;
        }

        .navbar-brand-text:hover {
            color: var(--secondary);
        }

        .nav-link-site {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 8px 0;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .nav-link-site::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary);
            transition: width var(--transition);
        }

        .nav-link-site:hover {
            color: var(--primary);
        }

        .nav-link-site:hover::after {
            width: 100%;
        }

        .nav-link-site.active {
            color: var(--secondary);
        }

        .nav-link-site.active::after {
            width: 100%;
            background-color: var(--secondary);
        }

        .navbar-toggler-site {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .navbar-toggler-site span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .navbar-collapse-site {
            display: flex;
            align-items: center;
            gap: 0;
        }

        /* Hero - Video style with full-width background */
        .hero-video {
            position: relative;
            min-height: 72vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/303b0d9ad657a4c6.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
            padding: 80px 0;
        }

        .hero-video::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,61,62,0.82) 0%, rgba(11,45,46,0.65) 50%, rgba(0,0,0,0.45) 100%);
        }

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

        .hero-content {
            max-width: 720px;
            color: #FFFFFF;
        }

        .hero-content h1 {
            color: #FFFFFF;
            font-size: 2.75rem;
            font-weight: 800;
            margin-bottom: 16px;
            text-shadow: 0 2px 12px rgba(0,0,0,0.3);
        }

        .hero-content .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.8;
            color: rgba(255,255,255,0.9);
            margin-bottom: 28px;
            text-shadow: 0 1px 6px rgba(0,0,0,0.2);
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255,255,255,0.18);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.25);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary-site {
            background-color: var(--secondary);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-site:hover {
            background-color: #D88C00;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(242,161,4,0.35);
        }

        .btn-outline-site {
            background-color: transparent;
            color: #FFFFFF;
            border: 1px solid rgba(255,255,255,0.5);
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-site:hover {
            background-color: rgba(255,255,255,0.12);
            color: #FFFFFF;
            border-color: rgba(255,255,255,0.8);
            transform: translateY(-2px);
        }

        .btn-play-hero {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background-color: rgba(255,255,255,0.2);
            border: 2px solid rgba(255,255,255,0.7);
            color: #FFFFFF;
            font-size: 1.3rem;
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-play-hero:hover {
            background-color: rgba(255,255,255,0.35);
            transform: scale(1.08);
        }

        .hero-data-strip {
            display: flex;
            gap: 24px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .hero-data-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255,255,255,0.9);
            font-size: 0.9rem;
        }

        .hero-data-item .hero-data-num {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--secondary);
        }

        /* Cards */
        .card-site {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
            height: 100%;
        }

        .card-site:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(15,61,62,0.15);
        }

        .card-site .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .card-site .card-body {
            padding: 20px;
        }

        .card-site .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .card-site .card-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 14px;
            background: rgba(15,61,62,0.08);
            color: var(--primary);
        }

        .card-icon.orange {
            background: rgba(242,161,4,0.12);
            color: #D88C00;
        }

        .card-icon.red {
            background: rgba(230,57,70,0.1);
            color: var(--accent);
        }

        /* Badge/Tag */
        .badge-site {
            display: inline-block;
            background: rgba(242,161,4,0.12);
            color: #C48400;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .badge-red {
            background: rgba(230,57,70,0.1);
            color: var(--accent);
        }

        .badge-green {
            background: rgba(15,61,62,0.1);
            color: var(--primary);
        }

        /* List items */
        .list-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }

        .list-link:hover {
            gap: 8px;
            color: var(--secondary);
        }

        /* News items */
        .news-item {
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

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

        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
            padding-top: 2px;
            min-width: 72px;
        }

        .news-content {
            flex: 1;
        }

        .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .news-summary {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 6px;
        }

        /* Testimonials */
        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            height: 100%;
        }

        .testimonial-text {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .testimonial-user {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-dark);
        }

        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Stat cards */
        .stat-card {
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            color: #FFFFFF;
            backdrop-filter: blur(6px);
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.8);
            margin-top: 6px;
        }

        /* Steps */
        .step-item {
            position: relative;
            padding-left: 60px;
            padding-bottom: 32px;
        }

        .step-item:last-child {
            padding-bottom: 0;
        }

        .step-number {
            position: absolute;
            left: 0;
            top: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.05rem;
        }

        .step-item::before {
            content: '';
            position: absolute;
            left: 19px;
            top: 44px;
            bottom: 4px;
            width: 2px;
            background: var(--border);
        }

        .step-item:last-child::before {
            display: none;
        }

        .step-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .step-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* FAQ */
        .accordion-site .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--card-bg);
        }

        .accordion-site .accordion-header {
            margin: 0;
        }

        .accordion-site .accordion-button {
            background: #F7F8FA;
            color: var(--text-dark);
            font-weight: 700;
            font-size: 1rem;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            border-radius: 0;
        }

        .accordion-site .accordion-button:not(.collapsed) {
            background: var(--card-bg);
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-site .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(242,161,4,0.25);
        }

        .accordion-site .accordion-button::after {
            content: '+';
            background-image: none;
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--primary);
            line-height: 1;
            transform: none;
        }

        .accordion-site .accordion-button:not(.collapsed)::after {
            content: '−';
            transform: none;
            color: var(--secondary);
        }

        .accordion-site .accordion-body {
            padding: 16px 20px;
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.7;
            background: var(--card-bg);
        }

        /* Tools grid */
        .tool-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all var(--transition);
            height: 100%;
        }

        .tool-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(15,61,62,0.2);
            transform: translateY(-1px);
        }

        .tool-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(15,61,62,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        .tool-title {
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .tool-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Lottery ball */
        .lottery-ball {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 0.9rem;
            margin: 0 3px;
        }

        .lottery-ball.blue {
            background: #1E6FA0;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: #B0BEC5;
            padding: 48px 0 20px;
        }

        .site-footer h5 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .site-footer a {
            color: #B0BEC5;
            text-decoration: none;
            transition: color var(--transition);
            font-size: 0.9rem;
        }

        .site-footer a:hover {
            color: var(--secondary);
        }

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 16px;
            margin-top: 32px;
            font-size: 0.85rem;
            color: #78909C;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom a {
            color: #B0BEC5;
            font-size: 0.85rem;
        }

        /* Subscription form */
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .subscribe-form input[type="email"],
        .subscribe-form input[type="text"] {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            border: 1px solid #D1D5DB;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            outline: none;
            transition: border-color var(--transition);
            background: #FFFFFF;
            color: var(--text-dark);
        }

        .subscribe-form input:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(242,161,4,0.15);
        }

        .subscribe-form .btn-primary-site {
            padding: 12px 24px;
            white-space: nowrap;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .navbar-left,
            .navbar-right {
                gap: 16px;
            }
            .nav-link-site {
                font-size: 0.82rem;
            }
            .navbar-brand-text {
                font-size: 1.2rem;
                padding: 0 12px;
            }
            h1 {
                font-size: 2rem;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .section {
                padding: 40px 0;
            }
        }

        @media (max-width: 768px) {
            .navbar-site {
                flex-wrap: wrap;
                min-height: 56px;
                padding: 0 16px;
            }
            .navbar-toggler-site {
                display: block;
                order: 3;
            }
            .navbar-brand-text {
                order: 1;
                padding: 0;
                font-size: 1.15rem;
            }
            .navbar-collapse-site {
                display: none;
                width: 100%;
                order: 4;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding: 12px 0;
                border-top: 1px solid var(--border);
                margin-top: 8px;
            }
            .navbar-collapse-site.show {
                display: flex;
            }
            .navbar-left,
            .navbar-right {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                width: 100%;
            }
            .nav-link-site {
                padding: 10px 0;
                width: 100%;
                font-size: 0.95rem;
            }
            .hero-video {
                min-height: 60vh;
                padding: 60px 0;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-content .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-data-strip {
                gap: 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .card-site .card-img {
                height: 160px;
            }
            .news-item {
                flex-direction: column;
                gap: 4px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input[type="email"],
            .subscribe-form input[type="text"] {
                min-width: 100%;
            }
        }

        @media (max-width: 576px) {
            .section {
                padding: 32px 0;
            }
            h1 {
                font-size: 1.7rem;
            }
            .hero-video {
                min-height: 65vh;
                padding: 48px 0;
            }
            .hero-content h1 {
                font-size: 1.45rem;
            }
            .hero-data-strip {
                flex-direction: column;
                gap: 8px;
            }
            .btn-primary-site,
            .btn-outline-site {
                padding: 10px 20px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .card-site .card-body {
                padding: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .stat-card {
                padding: 16px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0F3D3E;
            --primary-dark: #0B2D2E;
            --secondary: #F2A104;
            --accent: #E63946;
            --bg: #F5F7FA;
            --card-bg: #FFFFFF;
            --border: #E9ECEF;
            --text-dark: #1A1A1A;
            --text-body: #2C3E50;
            --text-muted: #6B7280;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
            --transition: 0.2s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }

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

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        .section {
            padding: 48px 0;
        }

        .section-alt {
            background-color: var(--card-bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--secondary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .section-title {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-dark);
            font-family: var(--font-heading);
            line-height: 1.35;
        }

        .section-desc {
            font-size: 0.98rem;
            color: var(--text-muted);
            margin-bottom: 28px;
            line-height: 1.85;
        }

        .btn {
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 0.92rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            display: inline-block;
            line-height: 1.6;
            text-align: center;
        }

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

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

        .btn-primary:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(15, 61, 62, 0.25);
        }

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

        .btn-outline:hover {
            background-color: rgba(15, 61, 62, 0.08);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-secondary {
            background-color: var(--secondary);
            color: #fff;
            border: 1px solid var(--secondary);
        }

        .btn-secondary:hover {
            background-color: #e08f00;
            border-color: #e08f00;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(242, 161, 4, 0.3);
        }

        /* Header / Navigation */
        .site-header {
            background-color: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 1px 10px rgba(0,0,0,0.05);
        }

        .navbar-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            padding: 0 20px;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
        }

        .navbar-left,
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
        }

        .navbar-left {
            justify-content: flex-end;
        }

        .navbar-right {
            justify-content: flex-start;
        }

        .navbar-brand-text {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition);
            padding: 0 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-brand-text i {
            font-size: 1.4rem;
            color: var(--secondary);
        }

        .navbar-brand-text:hover {
            color: var(--secondary);
        }

        .nav-link-site {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 8px 0;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .nav-link-site::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary);
            transition: width var(--transition);
        }

        .nav-link-site:hover {
            color: var(--primary);
        }

        .nav-link-site:hover::after {
            width: 100%;
        }

        .nav-link-site.active {
            color: var(--secondary);
        }

        .nav-link-site.active::after {
            width: 100%;
            background-color: var(--secondary);
        }

        .navbar-toggler-site {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .navbar-toggler-site span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .navbar-collapse-site {
            display: flex;
            align-items: center;
            gap: 0;
        }

        /* Page Banner */
        .page-banner {
            background-image: url('/assets/images/303b0d9ad657a4c6.webp');
            background-size: cover;
            background-position: center;
            padding: 50px 0 46px;
            position: relative;
            border-bottom: 3px solid var(--secondary);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,61,62,0.85) 0%, rgba(11,45,46,0.7) 100%);
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.75);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: rgba(255,255,255,0.75);
            transition: color var(--transition);
        }

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

        .breadcrumb-custom .separator {
            color: rgba(255,255,255,0.4);
        }

        .breadcrumb-custom .current {
            color: var(--secondary);
            font-weight: 600;
            pointer-events: none;
        }

        .page-banner h1 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-heading);
            margin-bottom: 8px;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }

        .page-banner .banner-sub {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.85);
            max-width: 680px;
            line-height: 1.7;
        }

        /* Category Description */
        .category-description-box {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 26px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: flex-start;
            gap: 18px;
            flex-wrap: wrap;
        }

        .category-description-box .desc-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background-color: rgba(15, 61, 62, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .category-description-box .desc-icon i {
            font-size: 1.3rem;
            color: var(--primary);
        }

        .category-description-box .desc-text {
            flex: 1;
            font-size: 0.94rem;
            color: var(--text-body);
            line-height: 1.85;
        }

        .category-description-box .desc-text strong {
            color: var(--primary);
        }

        /* Horizontal Card List */
        .card-list-horizontal {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .card-hz {
            display: flex;
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            flex-direction: row;
        }

        .card-hz:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(15, 61, 62, 0.2);
        }

        .card-hz-img {
            width: 30%;
            min-width: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
            flex-shrink: 0;
            min-height: 180px;
        }

        .card-hz-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            position: absolute;
            inset: 0;
        }

        .card-hz-body {
            flex: 1;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .card-hz-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .badge-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            background-color: rgba(242, 161, 4, 0.12);
            color: #b27600;
            line-height: 1.5;
        }

        .badge-tag.tag-green {
            background-color: rgba(15, 61, 62, 0.08);
            color: var(--primary);
        }

        .badge-tag.tag-red {
            background-color: rgba(230, 57, 70, 0.1);
            color: var(--accent);
        }

        .card-hz-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-hz-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        .card-hz-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .card-hz-meta .date {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition);
            margin-top: 8px;
            align-self: flex-start;
        }

        .btn-read-more i {
            font-size: 0.75rem;
            transition: transform var(--transition);
        }

        .btn-read-more:hover {
            color: var(--secondary);
        }

        .btn-read-more:hover i {
            transform: translateX(3px);
        }

        /* Load More */
        .load-more-wrapper {
            text-align: center;
            margin-top: 28px;
        }

        /* Support Cards */
        .support-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-align: center;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .support-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(15, 61, 62, 0.2);
        }

        .support-card .support-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            font-size: 1.3rem;
        }

        .support-icon.icon-green {
            background-color: rgba(15, 61, 62, 0.1);
            color: var(--primary);
        }

        .support-icon.icon-orange {
            background-color: rgba(242, 161, 4, 0.12);
            color: #b27600;
        }

        .support-icon.icon-red {
            background-color: rgba(230, 57, 70, 0.1);
            color: var(--accent);
        }

        .support-card .support-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .support-card .support-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Hot List */
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 20px;
            border-bottom: 1px solid var(--border);
            transition: background-color var(--transition);
        }

        .hot-list-item:last-child {
            border-bottom: none;
        }

        .hot-list-item:hover {
            background-color: #f9fafb;
        }

        .hot-list-index {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background-color: rgba(15, 61, 62, 0.08);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .hot-list-index.top {
            background-color: var(--secondary);
            color: #fff;
        }

        .hot-list-content {
            flex: 1;
            min-width: 0;
        }

        .hot-list-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-list-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .hot-list-arrow {
            color: var(--text-muted);
            font-size: 0.8rem;
            flex-shrink: 0;
            transition: color var(--transition);
        }

        .hot-list-item:hover .hot-list-arrow {
            color: var(--secondary);
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background-color: var(--card-bg);
            transition: box-shadow var(--transition);
        }

        .accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .accordion-custom .accordion-button {
            padding: 16px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            background-color: #f9fafb;
            transition: all var(--transition);
            box-shadow: none !important;
            border-radius: 0 !important;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background-color: var(--card-bg);
            color: var(--primary);
            border-bottom: 1px solid var(--border);
        }

        .accordion-custom .accordion-button::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background: none;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--secondary);
        }

        .accordion-custom .accordion-body {
            padding: 16px 20px;
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.75;
            background-color: var(--card-bg);
        }

        /* CTA */
        .cta-section {
            background-color: var(--primary-dark);
            padding: 42px 0;
            border-radius: var(--radius-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(242, 161, 4, 0.1);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.08);
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }

        .cta-section .cta-desc {
            font-size: 0.92rem;
            color: rgba(255,255,255,0.75);
            margin-bottom: 22px;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background-color: var(--primary-dark);
            color: #90A4AE;
            padding: 44px 0 0;
            margin-top: 0;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            font-family: var(--font-heading);
        }

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

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

        .footer-links a {
            color: #90A4AE;
            font-size: 0.88rem;
            transition: color var(--transition);
            line-height: 1.6;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 16px 0;
            margin-top: 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.82rem;
            color: rgba(144,164,174,0.7);
        }

        .footer-bottom a {
            color: rgba(144,164,174,0.7);
            transition: color var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 992px) {
            .navbar-left,
            .navbar-right {
                gap: 18px;
            }
            .nav-link-site {
                font-size: 0.82rem;
            }
            .navbar-brand-text {
                font-size: 1.15rem;
                padding: 0 12px;
            }
            .card-hz-img {
                width: 35%;
                min-width: 160px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-toggler-site {
                display: block;
            }

            .navbar-collapse-site {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                flex-direction: column;
                background-color: var(--card-bg);
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-md);
                padding: 16px 20px;
                gap: 4px;
                z-index: 1000;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }

            .navbar-collapse-site.show {
                display: flex;
            }

            .navbar-left,
            .navbar-right {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                flex: none;
                width: 100%;
                justify-content: flex-start;
            }

            .navbar-left {
                order: 1;
            }

            .navbar-brand-text {
                order: 0;
                padding: 8px 0 12px;
                font-size: 1.3rem;
                text-align: center;
                justify-content: center;
            }

            .navbar-right {
                order: 2;
            }

            .nav-link-site {
                padding: 10px 4px;
                font-size: 0.95rem;
                border-bottom: 1px solid var(--border);
            }

            .nav-link-site:last-child {
                border-bottom: none;
            }

            .nav-link-site::after {
                display: none;
            }

            .nav-link-site.active {
                background-color: rgba(242, 161, 4, 0.08);
                padding-left: 12px;
            }

            .navbar-site {
                padding: 0 16px;
                min-height: 64px;
                justify-content: flex-start;
                gap: 12px;
            }

            .navbar-brand-text {
                margin: 0 auto;
            }

            .card-hz {
                flex-direction: column;
            }

            .card-hz-img {
                width: 100%;
                min-width: unset;
                height: 180px;
                min-height: unset;
            }

            .card-hz-img img {
                position: static;
                height: 180px;
                width: 100%;
                object-fit: cover;
            }

            .card-hz-body {
                padding: 16px 18px;
            }

            .section {
                padding: 36px 0;
            }

            .section-title {
                font-size: 1.35rem;
            }

            .page-banner {
                padding: 36px 0 32px;
            }

            .page-banner h1 {
                font-size: 1.45rem;
            }

            .page-banner .banner-sub {
                font-size: 0.85rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }

            .cta-section {
                padding: 30px 20px;
                border-radius: var(--radius-md);
            }

            .cta-section .cta-title {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .card-hz-body {
                padding: 14px 14px;
            }

            .card-hz-title {
                font-size: 0.98rem;
            }

            .card-hz-desc {
                font-size: 0.82rem;
            }

            .badge-tag {
                font-size: 0.7rem;
                padding: 2px 8px;
            }

            .section-title {
                font-size: 1.2rem;
            }

            .category-description-box {
                padding: 16px 18px;
                gap: 12px;
            }

            .category-description-box .desc-text {
                font-size: 0.85rem;
            }

            .hot-list-item {
                padding: 12px 14px;
                gap: 10px;
            }

            .hot-list-title {
                font-size: 0.82rem;
            }

            .page-banner h1 {
                font-size: 1.25rem;
            }

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

/* roulang page: category2 */
:root {
            --primary: #0F3D3E;
            --primary-dark: #0B2D2E;
            --secondary: #F2A104;
            --accent: #E63946;
            --bg: #F5F7FA;
            --card-bg: #FFFFFF;
            --border: #E9ECEF;
            --text-dark: #1A1A1A;
            --text-body: #2C3E50;
            --text-muted: #6B7280;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
            --transition: 0.2s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        .section {
            padding: 56px 0;
        }

        .section-alt {
            background-color: var(--card-bg);
        }

        .section-dark {
            background-color: var(--primary-dark);
            color: #E5E7EB;
        }

        .section-dark h2,
        .section-dark h3 {
            color: #FFFFFF;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--secondary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
            font-family: var(--font-heading);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
            max-width: 680px;
        }

        /* Header / Navigation */
        .site-header {
            background-color: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
        }

        .navbar-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            padding: 0 20px;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
        }

        .navbar-left,
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
        }

        .navbar-left {
            justify-content: flex-end;
        }

        .navbar-right {
            justify-content: flex-start;
        }

        .navbar-brand-text {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition);
            padding: 0 20px;
        }

        .navbar-brand-text:hover {
            color: var(--secondary);
        }

        .nav-link-site {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 8px 0;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .nav-link-site::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary);
            transition: width var(--transition);
        }

        .nav-link-site:hover {
            color: var(--primary);
        }

        .nav-link-site:hover::after {
            width: 100%;
        }

        .nav-link-site.active {
            color: var(--secondary);
        }

        .nav-link-site.active::after {
            width: 100%;
            background-color: var(--secondary);
        }

        .navbar-toggler-site {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .navbar-toggler-site span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .navbar-collapse-site {
            display: flex;
            align-items: center;
            gap: 0;
        }

        /* Category H1 Banner */
        .category-hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 48px 0 40px;
            color: #fff;
            border-bottom: 3px solid var(--secondary);
        }

        .category-hero .breadcrumb-site {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
        }

        .category-hero .breadcrumb-site a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }

        .category-hero .breadcrumb-site a:hover {
            color: var(--secondary);
        }

        .category-hero .breadcrumb-sep {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .category-hero h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-family: var(--font-heading);
        }

        .category-hero p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
            max-width: 720px;
            line-height: 1.7;
        }

        /* Card Styles */
        .card {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            overflow: hidden;
            background-color: var(--card-bg);
        }

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

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 100%;
            min-height: 160px;
        }

        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.3s ease;
        }

        .card:hover .card-img-wrap img {
            transform: scale(1.03);
        }

        .card-body {
            padding: 18px 20px;
        }

        .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: #fff;
            background-color: var(--secondary);
            padding: 2px 10px;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }

        .card-tag.accent-tag {
            background-color: var(--accent);
        }

        .btn {
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            display: inline-block;
            line-height: 1.5;
        }

        .btn-primary-site {
            background-color: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }

        .btn-primary-site:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary-site:focus {
            outline: 3px solid rgba(15, 61, 62, 0.35);
            outline-offset: 2px;
        }

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

        .btn-outline-site:hover {
            background-color: rgba(15, 61, 62, 0.08);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-outline-site:focus {
            outline: 3px solid rgba(15, 61, 62, 0.25);
            outline-offset: 2px;
        }

        .btn-secondary-site {
            background-color: var(--secondary);
            color: #fff;
            border: 1px solid var(--secondary);
        }

        .btn-secondary-site:hover {
            background-color: #d48f03;
            border-color: #d48f03;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .btn-link-site {
            background: none;
            border: none;
            padding: 0;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
            transition: color var(--transition);
        }

        .btn-link-site:hover {
            color: var(--secondary);
        }

        .btn-link-site .arrow-icon {
            display: inline-block;
            transition: transform var(--transition);
        }

        .btn-link-site:hover .arrow-icon {
            transform: translateX(4px);
        }

        /* Horizontal card list */
        .card-horizontal {
            display: flex;
            flex-direction: row;
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            margin-bottom: 20px;
        }

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

        .card-horizontal .card-img-wrap {
            flex: 0 0 30%;
            min-height: 180px;
            position: relative;
            overflow: hidden;
        }

        .card-horizontal .card-img-wrap img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.3s ease;
        }

        .card-horizontal:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .card-horizontal .card-content-wrap {
            flex: 1;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .card-horizontal .card-content-wrap .card-title {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .card-horizontal .card-content-wrap .card-text {
            margin-bottom: 10px;
        }

        /* Data mini cards */
        .data-mini-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            height: 100%;
        }

        .data-mini-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .data-mini-card .data-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .data-mini-card .data-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .data-mini-card .data-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Hot article list */
        .hot-article-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }

        .hot-article-item:last-child {
            border-bottom: none;
        }

        .hot-article-num {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--secondary);
            min-width: 36px;
            text-align: center;
        }

        .hot-article-info {
            flex: 1;
        }

        .hot-article-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
            display: block;
        }

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

        .hot-article-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* FAQ Accordion */
        .accordion-site .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            background-color: var(--card-bg);
        }

        .accordion-site .accordion-header {
            margin: 0;
        }

        .accordion-site .accordion-button {
            background-color: #F8F9FA;
            border: none;
            padding: 16px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            text-align: left;
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
            transition: background-color var(--transition);
            gap: 12px;
        }

        .accordion-site .accordion-button:hover {
            background-color: #E9ECEF;
        }

        .accordion-site .accordion-button .faq-icon {
            font-size: 0.85rem;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .accordion-site .accordion-button.collapsed .faq-icon {
            transform: rotate(0deg);
        }

        .accordion-site .accordion-button:not(.collapsed) .faq-icon {
            transform: rotate(180deg);
        }

        .accordion-site .accordion-body {
            padding: 16px 20px;
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.7;
            background-color: var(--card-bg);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 56px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            font-family: var(--font-heading);
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn {
            margin: 0 8px 12px;
        }

        .cta-section .btn-secondary-site {
            background-color: var(--secondary);
            border-color: var(--secondary);
            color: #fff;
        }

        .cta-section .btn-secondary-site:hover {
            background-color: #d48f03;
            border-color: #d48f03;
            color: #fff;
        }

        .cta-section .btn-outline-light-site {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.7);
        }

        .cta-section .btn-outline-light-site:hover {
            background-color: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background-color: var(--primary-dark);
            color: #B0BEC5;
            padding: 48px 0 24px;
        }

        .site-footer h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            font-family: var(--font-heading);
        }

        .site-footer p {
            color: #90A4AE;
            line-height: 1.8;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #90A4AE;
            font-size: 0.9rem;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 32px;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: #78909C;
        }

        .footer-bottom a {
            color: #90A4AE;
            transition: color var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 992px) {
            .navbar-site {
                padding: 0 16px;
            }

            .navbar-left,
            .navbar-right {
                gap: 18px;
            }

            .navbar-brand-text {
                font-size: 1.2rem;
                padding: 0 14px;
            }

            .nav-link-site {
                font-size: 0.82rem;
            }

            .category-hero h1 {
                font-size: 1.8rem;
            }

            .card-horizontal .card-img-wrap {
                flex: 0 0 35%;
            }

            .card-horizontal .card-content-wrap {
                padding: 16px 18px;
            }
        }

        @media (max-width: 768px) {
            .navbar-site {
                flex-wrap: wrap;
                min-height: 56px;
            }

            .navbar-toggler-site {
                display: block;
                order: 0;
            }

            .navbar-brand-text {
                order: 1;
                flex: 1;
                text-align: center;
                font-size: 1.1rem;
                padding: 0 8px;
            }

            .navbar-collapse-site {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 0 0 16px;
                order: 2;
                gap: 4px;
            }

            .navbar-collapse-site.show {
                display: flex;
            }

            .navbar-left,
            .navbar-right {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                flex: unset;
                justify-content: flex-start;
            }

            .nav-link-site {
                padding: 10px 8px;
                font-size: 0.95rem;
                text-align: center;
                border-bottom: 1px solid var(--border);
            }

            .nav-link-site::after {
                display: none;
            }

            .nav-link-site:hover {
                background-color: #F0F2F5;
                color: var(--primary);
            }

            .nav-link-site.active {
                background-color: rgba(242, 161, 4, 0.1);
                color: var(--secondary);
            }

            .section {
                padding: 36px 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .category-hero {
                padding: 32px 0 28px;
            }

            .category-hero h1 {
                font-size: 1.5rem;
            }

            .category-hero p {
                font-size: 0.9rem;
            }

            .card-horizontal {
                flex-direction: column;
            }

            .card-horizontal .card-img-wrap {
                flex: 0 0 auto;
                min-height: 160px;
                position: relative;
            }

            .card-horizontal .card-img-wrap img {
                position: absolute;
                inset: 0;
                width: 100%;
                height: 100%;
                object-fit: cover;
            }

            .card-horizontal .card-content-wrap {
                padding: 16px 18px;
            }

            .card-horizontal .card-content-wrap .card-title {
                font-size: 1rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }

            .data-mini-card .data-value {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 576px) {
            .navbar-site {
                padding: 0 12px;
            }

            .navbar-brand-text {
                font-size: 1rem;
            }

            .nav-link-site {
                font-size: 0.9rem;
                padding: 8px 6px;
            }

            .section {
                padding: 28px 0;
            }

            .section-title {
                font-size: 1.25rem;
            }

            .category-hero h1 {
                font-size: 1.3rem;
            }

            .card-horizontal .card-img-wrap {
                min-height: 130px;
            }

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

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

/* roulang page: category1 */
:root {
            --primary: #0F3D3E;
            --primary-dark: #0B2D2E;
            --primary-darker: #082324;
            --secondary: #F2A104;
            --secondary-hover: #d98f00;
            --accent: #E63946;
            --accent-bg: #fdecec;
            --bg: #F5F7FA;
            --card-bg: #FFFFFF;
            --border: #E9ECEF;
            --text-dark: #1A1A1A;
            --text-body: #2C3E50;
            --text-muted: #6B7280;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
            --transition: 0.2s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: 48px 0;
        }
        .section-sm {
            padding: 32px 0;
        }
        .section-alt {
            background-color: var(--card-bg);
        }
        .section-dark {
            background-color: var(--primary-dark);
            color: #E5E7EB;
        }
        .section-dark h2,
        .section-dark h3 {
            color: #FFFFFF;
        }

        /* Header / Navigation */
        .site-header {
            background-color: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 1px 10px rgba(0,0,0,0.05);
        }
        .navbar-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            padding: 0 20px;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
        }
        .navbar-left,
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
        }
        .navbar-left {
            justify-content: flex-end;
        }
        .navbar-right {
            justify-content: flex-start;
        }
        .navbar-brand-text {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition);
            padding: 0 20px;
        }
        .navbar-brand-text:hover {
            color: var(--secondary);
        }
        .nav-link-site {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 8px 0;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .nav-link-site::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary);
            transition: width var(--transition);
        }
        .nav-link-site:hover {
            color: var(--primary);
        }
        .nav-link-site:hover::after {
            width: 100%;
        }
        .nav-link-site.active {
            color: var(--secondary);
        }
        .nav-link-site.active::after {
            width: 100%;
            background-color: var(--secondary);
        }
        .navbar-toggler-site {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .navbar-toggler-site span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .navbar-collapse-site {
            display: flex;
            align-items: center;
            gap: 0;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            padding: 48px 0;
            background-image: url('/assets/images/303b0d9ad657a4c6.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
            min-height: 220px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,61,62,0.88) 0%, rgba(11,45,46,0.75) 50%, rgba(0,0,0,0.55) 100%);
        }
        .page-banner .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb-page {
            background: transparent;
            padding: 0;
            margin-bottom: 10px;
            font-size: 0.85rem;
        }
        .breadcrumb-page .breadcrumb-item {
            color: rgba(255,255,255,0.7);
        }
        .breadcrumb-page .breadcrumb-item a {
            color: rgba(255,255,255,0.7);
            transition: color var(--transition);
        }
        .breadcrumb-page .breadcrumb-item a:hover {
            color: var(--secondary);
        }
        .breadcrumb-page .breadcrumb-item.active {
            color: var(--secondary);
        }
        .breadcrumb-page .breadcrumb-item + .breadcrumb-item::before {
            content: '›';
            color: rgba(255,255,255,0.5);
        }
        .page-banner h1 {
            font-size: 2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
        }
        .page-banner .banner-sub {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 0;
            max-width: 560px;
            line-height: 1.7;
        }

        /* Section Titles */
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--secondary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-dark);
            font-family: var(--font-heading);
            line-height: 1.4;
        }
        .section-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
            max-width: 680px;
        }

        /* Category Description */
        .desc-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            font-size: 0.95rem;
            line-height: 1.9;
            color: var(--text-body);
        }
        .desc-card .desc-highlight {
            color: var(--primary);
            font-weight: 600;
        }

        /* Data Overview Cards */
        .data-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .data-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(15,61,62,0.2);
        }
        .data-card .data-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(15,61,62,0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: 10px;
        }
        .data-card .data-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-dark);
            font-family: var(--font-heading);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .data-card .data-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .data-card .data-tag {
            font-size: 0.75rem;
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 6px;
            display: inline-block;
        }

        /* Horizontal List Card */
        .h-card {
            display: flex;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            margin-bottom: 16px;
        }
        .h-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(15,61,62,0.15);
        }
        .h-card-thumb {
            width: 35%;
            min-height: 160px;
            object-fit: cover;
            flex-shrink: 0;
            background-color: #E9ECEF;
        }
        .h-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 160px;
        }
        .h-card-body {
            padding: 18px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .h-card-tags {
            margin-bottom: 8px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .badge-tag {
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }
        .badge-tag.orange {
            background-color: rgba(242,161,4,0.12);
            color: #b87900;
        }
        .badge-tag.red {
            background-color: var(--accent-bg);
            color: var(--accent);
        }
        .badge-tag.teal {
            background-color: rgba(15,61,62,0.08);
            color: var(--primary);
        }
        .h-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
            font-family: var(--font-heading);
            line-height: 1.4;
        }
        .h-card-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .h-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .read-more-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .read-more-link i {
            font-size: 0.75rem;
            transition: transform var(--transition);
        }
        .read-more-link:hover {
            color: var(--secondary);
        }
        .read-more-link:hover i {
            transform: translateX(3px);
        }

        /* View More */
        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-more:hover {
            background: rgba(15,61,62,0.06);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-more:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        /* Hot Articles */
        .hot-list-item {
            display: flex;
            align-items: center;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            gap: 14px;
            transition: background var(--transition);
        }
        .hot-list-item:last-child {
            border-bottom: none;
        }
        .hot-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            background: var(--bg);
            padding: 4px 10px;
            border-radius: 6px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .hot-info {
            flex: 1;
        }
        .hot-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 3px;
            line-height: 1.4;
        }
        .hot-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-link {
            color: var(--primary);
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .hot-link:hover {
            color: var(--secondary);
        }

        /* Lottery Quick Grid */
        .lottery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .lottery-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition);
        }
        .lottery-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .lottery-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            margin: 0 auto 10px;
            background: rgba(15,61,62,0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
        }
        .lottery-name {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .lottery-time {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--card-bg);
            box-shadow: var(--shadow-sm);
        }
        .accordion-custom .accordion-button {
            background: #F7F8F9;
            color: var(--text-dark);
            font-weight: 600;
            font-size: 0.92rem;
            padding: 16px 20px;
            border: none;
            border-radius: 0 !important;
            box-shadow: none;
            transition: all var(--transition);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--card-bg);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: var(--secondary);
            outline: 2px solid rgba(242,161,4,0.4);
            outline-offset: -2px;
        }
        .accordion-custom .accordion-button::after {
            background-image: none;
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            width: auto;
            height: auto;
            color: var(--text-muted);
            transition: transform var(--transition);
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--secondary);
        }
        .accordion-custom .accordion-body {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.7;
            padding: 14px 20px;
            background: var(--card-bg);
        }

        /* CTA */
        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, var(--primary-darker) 100%);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(242,161,4,0.08);
            pointer-events: none;
        }
        .cta-box h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
            font-family: var(--font-heading);
        }
        .cta-box p {
            font-size: 0.92rem;
            color: rgba(255,255,255,0.75);
            margin-bottom: 22px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            background: var(--secondary);
            color: #1A1A1A;
            font-weight: 700;
            font-size: 0.92rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
        }
        .cta-btn:hover {
            background: var(--secondary-hover);
            color: #1A1A1A;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0,0,0,0.2);
        }
        .cta-btn:focus-visible {
            outline: 2px solid #FFFFFF;
            outline-offset: 3px;
        }

        /* Form */
        .form-subscribe {
            display: flex;
            gap: 10px;
            max-width: 420px;
            margin: 0 auto;
        }
        .form-subscribe input[type="email"],
        .form-subscribe input[type="text"] {
            flex: 1;
            padding: 10px 16px;
            border: 1px solid #D1D5DB;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            background: #FFFFFF;
            color: var(--text-body);
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .form-subscribe input:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(242,161,4,0.15);
        }
        .form-subscribe .btn-sub {
            padding: 10px 24px;
            background: var(--secondary);
            color: #1A1A1A;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .form-subscribe .btn-sub:hover {
            background: var(--secondary-hover);
            transform: translateY(-1px);
        }
        .form-subscribe .btn-sub:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--primary-dark);
            color: #E5E7EB;
            padding-top: 40px;
        }
        .site-footer h5 {
            color: #FFFFFF;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            font-family: var(--font-heading);
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 8px;
        }
        .site-footer .footer-links a {
            color: #90A4AE;
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--secondary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 14px 0;
            margin-top: 28px;
            font-size: 0.78rem;
            color: #90A4AE;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom a {
            color: #90A4AE;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--secondary);
        }

        /* Buttons general */
        .btn-primary-site {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
        }
        .btn-primary-site:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .btn-primary-site:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .navbar-left,
            .navbar-right {
                gap: 18px;
            }
            .navbar-brand-text {
                padding: 0 12px;
                font-size: 1.2rem;
            }
            .h-card-thumb {
                width: 32%;
            }
            .lottery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .navbar-site {
                padding: 0 14px;
                min-height: 56px;
            }
            .navbar-toggler-site {
                display: block;
                position: absolute;
                left: 14px;
                top: 50%;
                transform: translateY(-50%);
                z-index: 1060;
            }
            .navbar-brand-text {
                margin: 0 auto;
                padding: 0;
                font-size: 1.15rem;
            }
            .navbar-collapse-site {
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--card-bg);
                flex-direction: column;
                padding: 20px 16px 24px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--border);
                display: none;
                max-height: calc(100vh - 56px);
                overflow-y: auto;
                z-index: 1055;
            }
            .navbar-collapse-site.open {
                display: flex;
            }
            .navbar-left,
            .navbar-right {
                flex-direction: column;
                gap: 0;
                width: 100%;
                margin-bottom: 4px;
            }
            .navbar-left {
                justify-content: flex-start;
            }
            .navbar-right {
                justify-content: flex-start;
            }
            .nav-link-site {
                display: block;
                padding: 12px 0;
                font-size: 0.95rem;
                border-bottom: 1px solid var(--border);
                width: 100%;
            }
            .nav-link-site::after {
                display: none;
            }
            .nav-link-site:hover {
                background: rgba(15,61,62,0.04);
            }
            .nav-link-site.active {
                background: rgba(242,161,4,0.08);
                border-left: 3px solid var(--secondary);
                padding-left: 10px;
            }
            .page-banner {
                min-height: 180px;
                padding: 32px 0;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-sub {
                font-size: 0.85rem;
            }
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .h-card {
                flex-direction: column;
            }
            .h-card-thumb {
                width: 100%;
                min-height: 140px;
                max-height: 200px;
            }
            .h-card-thumb img {
                min-height: 140px;
                max-height: 200px;
            }
            .h-card-body {
                padding: 16px 18px;
            }
            .h-card-title {
                font-size: 0.95rem;
            }
            .lottery-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .data-card {
                padding: 16px 18px;
            }
            .data-card .data-number {
                font-size: 1.5rem;
            }
            .cta-box {
                padding: 24px 18px;
            }
            .cta-box h2 {
                font-size: 1.25rem;
            }
            .form-subscribe {
                flex-direction: column;
                gap: 8px;
            }
            .form-subscribe input[type="email"],
            .form-subscribe input[type="text"] {
                width: 100%;
            }
            .form-subscribe .btn-sub {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .desc-card {
                padding: 18px 16px;
                font-size: 0.88rem;
            }
            .hot-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .hot-date {
                font-size: 0.72rem;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .section {
                padding: 24px 0;
            }
            .lottery-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .lottery-card {
                padding: 14px 10px;
            }
            .lottery-icon {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
            .lottery-name {
                font-size: 0.8rem;
            }
            .badge-tag {
                font-size: 0.68rem;
                padding: 2px 8px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #0F3D3E;
            --primary-dark: #0B2D2E;
            --primary-light: #1A5B5C;
            --secondary: #F2A104;
            --accent: #E63946;
            --bg: #F5F7FA;
            --card-bg: #FFFFFF;
            --border: #E9ECEF;
            --text-dark: #1A1A1A;
            --text-body: #2C3E50;
            --text-muted: #6B7280;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
            --transition: 0.2s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        .section {
            padding: 56px 0;
        }

        .section-alt {
            background-color: var(--card-bg);
        }

        .section-dark {
            background-color: var(--primary-dark);
            color: #E5E7EB;
        }

        .section-dark h2,
        .section-dark h3 {
            color: #FFFFFF;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--secondary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
            font-family: var(--font-heading);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
            max-width: 680px;
        }

        /* Header / Navigation */
        .site-header {
            background-color: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 1px 10px rgba(0,0,0,0.05);
        }

        .navbar-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            padding: 0 20px;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
        }

        .navbar-left,
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
        }

        .navbar-left {
            justify-content: flex-end;
        }

        .navbar-right {
            justify-content: flex-start;
        }

        .navbar-brand-text {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition);
            padding: 0 20px;
        }

        .navbar-brand-text:hover {
            color: var(--secondary);
        }

        .nav-link-site {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 8px 0;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .nav-link-site::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary);
            transition: width var(--transition);
        }

        .nav-link-site:hover {
            color: var(--primary);
        }

        .nav-link-site:hover::after {
            width: 100%;
        }

        .nav-link-site.active {
            color: var(--secondary);
        }

        .nav-link-site.active::after {
            width: 100%;
            background-color: var(--secondary);
        }

        .navbar-toggler-site {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .navbar-toggler-site span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .navbar-collapse-site {
            display: flex;
            align-items: center;
            gap: 0;
        }

        /* Breadcrumb */
        .breadcrumb-custom {
            background: none;
            padding: 0;
            margin-bottom: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-custom .sep {
            color: #ADB5BD;
            font-size: 0.8rem;
        }

        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Category Banner */
        .category-banner {
            position: relative;
            padding: 48px 0;
            background-image: url('/assets/images/6c3a0a6ff885c72d.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,61,62,0.85) 0%, rgba(11,45,46,0.7) 60%, rgba(0,0,0,0.5) 100%);
        }

        .category-banner .container {
            position: relative;
            z-index: 1;
        }

        .category-banner .breadcrumb-custom,
        .category-banner .breadcrumb-custom a,
        .category-banner .breadcrumb-custom .sep,
        .category-banner .breadcrumb-custom .current {
            color: rgba(255,255,255,0.8);
        }

        .category-banner .breadcrumb-custom a:hover {
            color: var(--secondary);
        }

        .category-banner .breadcrumb-custom .current {
            color: #FFFFFF;
            font-weight: 600;
        }

        .category-banner h1 {
            color: #FFFFFF;
            font-size: 2.2rem;
            font-weight: 800;
            font-family: var(--font-heading);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .category-banner .banner-subtitle {
            color: rgba(255,255,255,0.85);
            font-size: 1.05rem;
            max-width: 600px;
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* Category Intro */
        .category-intro {
            padding: 32px 0;
            background-color: var(--card-bg);
            border-bottom: 1px solid var(--border);
        }

        .category-intro .intro-text {
            color: var(--text-body);
            font-size: 1rem;
            line-height: 1.9;
            max-width: 900px;
            margin-bottom: 0;
        }

        .category-intro .intro-text strong {
            color: var(--primary);
            font-weight: 600;
        }

        /* News List */
        .news-list {
            padding: 56px 0;
        }

        .news-card {
            display: flex;
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 24px;
            transition: box-shadow var(--transition), transform var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .news-card .news-thumb {
            width: 32%;
            min-width: 250px;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-card .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
            min-height: 180px;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.03);
        }

        .news-card .news-body {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .news-card .news-meta .badge-custom {
            background-color: rgba(242,161,4,0.1);
            color: #B7791F;
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.75rem;
        }

        .news-card .news-meta .date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-card .news-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            font-family: var(--font-heading);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .news-card .news-excerpt {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }

        .news-card .btn-read-more {
            align-self: flex-start;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }

        .news-card .btn-read-more i {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }

        .news-card .btn-read-more:hover {
            color: var(--secondary);
        }

        .news-card .btn-read-more:hover i {
            transform: translateX(3px);
        }

        .btn-load-more {
            display: inline-block;
            background-color: var(--primary);
            color: #FFFFFF;
            font-weight: 600;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition);
            font-size: 0.95rem;
        }

        .btn-load-more:hover {
            background-color: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* Data Support Cards */
        .data-support {
            padding: 56px 0;
            background-color: var(--card-bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .data-support-card {
            background-color: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            height: 100%;
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .data-support-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .data-support-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background-color: rgba(15,61,62,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .data-support-card .icon-wrap i {
            font-size: 1.3rem;
            color: var(--primary);
        }

        .data-support-card .support-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            font-family: var(--font-heading);
            margin-bottom: 8px;
        }

        .data-support-card .support-desc {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .data-support-card .support-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            margin-top: 12px;
            transition: color var(--transition);
        }

        .data-support-card .support-link:hover {
            color: var(--secondary);
        }

        /* Hot Articles */
        .hot-articles {
            padding: 56px 0;
        }

        .hot-article-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            transition: background-color var(--transition);
        }

        .hot-article-item:last-child {
            border-bottom: none;
        }

        .hot-article-item .hot-rank {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--secondary);
            font-family: var(--font-heading);
            min-width: 50px;
            line-height: 1.3;
        }

        .hot-article-item .hot-content {
            flex: 1;
        }

        .hot-article-item .hot-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.5;
            margin-bottom: 4px;
            display: block;
            transition: color var(--transition);
        }

        .hot-article-item .hot-title:hover {
            color: var(--secondary);
        }

        .hot-article-item .hot-date {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* CTA Section */
        .cta-section {
            padding: 56px 0;
            background-color: var(--primary-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(242,161,4,0.12) 0%, transparent 60%);
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-section h2 {
            color: #FFFFFF;
            font-size: 1.8rem;
            font-weight: 700;
            font-family: var(--font-heading);
            margin-bottom: 12px;
        }

        .cta-section .cta-desc {
            color: rgba(255,255,255,0.75);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .btn-cta-primary {
            display: inline-block;
            background-color: var(--secondary);
            color: #1A1A1A;
            font-weight: 700;
            padding: 14px 40px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color var(--transition), transform var(--transition);
        }

        .btn-cta-primary:hover {
            background-color: #F5B830;
            color: #1A1A1A;
            transform: translateY(-2px);
        }

        .btn-cta-secondary-link {
            display: inline-block;
            color: rgba(255,255,255,0.85);
            font-weight: 600;
            padding: 14px 24px;
            margin-left: 12px;
            font-size: 0.95rem;
            transition: color var(--transition);
        }

        .btn-cta-secondary-link:hover {
            color: var(--secondary);
        }

        /* Footer */
        .site-footer {
            background-color: var(--primary-dark);
            color: #90A4AE;
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

        .site-footer h5 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 700;
            font-family: var(--font-heading);
            margin-bottom: 16px;
        }

        .site-footer p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: #90A4AE;
            margin-bottom: 0;
        }

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

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

        .footer-links a {
            color: #90A4AE;
            font-size: 0.9rem;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            margin-top: 32px;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.8rem;
            color: #6B8299;
        }

        .footer-bottom a {
            color: #90A4AE;
            transition: color var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 992px) {
            .navbar-left,
            .navbar-right {
                gap: 16px;
            }

            .navbar-brand-text {
                padding: 0 12px;
                font-size: 1.2rem;
            }

            .nav-link-site {
                font-size: 0.82rem;
            }

            .news-card .news-thumb {
                width: 40%;
                min-width: 180px;
            }

            .category-banner h1 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                position: sticky;
                top: 0;
            }

            .navbar-site {
                flex-wrap: nowrap;
                min-height: 56px;
                padding: 0 16px;
                justify-content: space-between;
            }

            .navbar-toggler-site {
                display: block;
                order: 1;
                z-index: 1060;
            }

            .navbar-brand-text {
                order: 2;
                padding: 0;
                font-size: 1.2rem;
            }

            .navbar-collapse-site {
                display: none;
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                background-color: var(--card-bg);
                padding: 16px 20px 24px;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                box-shadow: 0 8px 16px rgba(0,0,0,0.1);
                z-index: 1055;
            }

            .navbar-collapse-site.show {
                display: flex;
            }

            .navbar-left,
            .navbar-right {
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                width: 100%;
            }

            .navbar-left {
                justify-content: flex-start;
            }

            .navbar-right {
                justify-content: flex-start;
            }

            .nav-link-site {
                display: block;
                padding: 12px 0;
                width: 100%;
                font-size: 0.95rem;
                border-bottom: 1px solid var(--border);
            }

            .nav-link-site::after {
                display: none;
            }

            .nav-link-site.active {
                color: var(--secondary);
                padding-left: 12px;
            }

            .section {
                padding: 40px 0;
            }

            .category-banner {
                padding: 36px 0;
            }

            .category-banner h1 {
                font-size: 1.5rem;
            }

            .category-banner .banner-subtitle {
                font-size: 0.9rem;
            }

            .news-card {
                flex-direction: column;
            }

            .news-card .news-thumb {
                width: 100%;
                min-width: auto;
                height: 180px;
            }

            .news-card .news-thumb img {
                min-height: 180px;
                height: 180px;
            }

            .news-card .news-body {
                padding: 16px 18px;
            }

            .news-card .news-title {
                font-size: 1rem;
            }

            .data-support-card {
                margin-bottom: 16px;
            }

            .hot-article-item .hot-rank {
                font-size: 1.2rem;
                min-width: 36px;
            }

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

            .btn-cta-primary {
                padding: 12px 28px;
                font-size: 0.9rem;
                display: block;
                max-width: 280px;
                margin: 0 auto 12px;
            }

            .btn-cta-secondary-link {
                display: block;
                margin-left: 0;
                font-size: 0.9rem;
            }

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

            .section-title {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 32px 0;
            }

            .category-banner h1 {
                font-size: 1.3rem;
            }

            .news-card .news-body {
                padding: 14px 16px;
            }

            .news-card .news-title {
                font-size: 0.95rem;
            }

            .news-card .news-meta {
                font-size: 0.7rem;
                gap: 8px;
            }

            .news-card .news-excerpt {
                font-size: 0.82rem;
            }

            .btn-load-more {
                padding: 10px 24px;
                font-size: 0.85rem;
            }

            .hot-article-item .hot-title {
                font-size: 0.85rem;
            }

            .section-title {
                font-size: 1.3rem;
            }

            .cta-section h2 {
                font-size: 1.2rem;
            }

            .cta-section .cta-desc {
                font-size: 0.88rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0F3D3E;
            --primary-dark: #0B2D2E;
            --secondary: #F2A104;
            --accent: #E63946;
            --bg: #F5F7FA;
            --card-bg: #FFFFFF;
            --border: #E9ECEF;
            --text-dark: #1A1A1A;
            --text-body: #2C3E50;
            --text-muted: #6B7280;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
            --transition: 0.2s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background-color: var(--card-bg);
        }
        .section-dark {
            background-color: var(--primary-dark);
            color: #E5E7EB;
        }
        .section-dark h2,
        .section-dark h3 {
            color: #FFFFFF;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--secondary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
            max-width: 680px;
        }
        /* Header / Navigation */
        .site-header {
            background-color: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 1px 10px rgba(0,0,0,0.05);
        }
        .navbar-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            padding: 0 20px;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
        }
        .navbar-left,
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
        }
        .navbar-left {
            justify-content: flex-end;
        }
        .navbar-right {
            justify-content: flex-start;
        }
        .navbar-brand-text {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition);
            padding: 0 20px;
        }
        .navbar-brand-text:hover {
            color: var(--secondary);
        }
        .nav-link-site {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 8px 0;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .nav-link-site::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary);
            transition: width var(--transition);
        }
        .nav-link-site:hover {
            color: var(--primary);
        }
        .nav-link-site:hover::after {
            width: 100%;
        }
        .nav-link-site.active {
            color: var(--secondary);
        }
        .nav-link-site.active::after {
            width: 100%;
            background-color: var(--secondary);
        }
        .navbar-toggler-site {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .navbar-toggler-site span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .navbar-collapse-site {
            display: flex;
            align-items: center;
            gap: 0;
        }
        /* Breadcrumb */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--secondary);
        }
        .breadcrumb-custom .separator {
            color: #B0BEC5;
            font-size: 0.7rem;
        }
        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 600;
        }
        /* Category Banner */
        .category-banner {
            background-image: url('/assets/images/6c3a0a6ff885c72d.webp');
            background-size: cover;
            background-position: center;
            padding: 48px 0;
            position: relative;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,61,62,0.88) 0%, rgba(11,45,46,0.72) 60%, rgba(0,0,0,0.5) 100%);
        }
        .category-banner .container {
            position: relative;
            z-index: 1;
        }
        .category-banner h1 {
            font-size: 2.25rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }
        .category-banner .lead {
            color: rgba(255,255,255,0.85);
            font-size: 1rem;
            max-width: 640px;
            margin-bottom: 0;
            line-height: 1.7;
        }
        /* Horizontal Article Card */
        .article-card-horizontal {
            display: flex;
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .article-card-horizontal:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #D1D5DB;
        }
        .article-card-horizontal .card-img-wrap {
            flex: 0 0 32%;
            max-width: 32%;
            overflow: hidden;
            position: relative;
            min-height: 200px;
        }
        .article-card-horizontal .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }
        .article-card-horizontal .card-content {
            flex: 1;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .article-card-horizontal .card-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(15,61,62,0.08);
            padding: 4px 10px;
            border-radius: 999px;
            display: inline-block;
            margin-bottom: 8px;
        }
        .article-card-horizontal .card-tag.hot {
            background-color: rgba(230,57,70,0.08);
            color: var(--accent);
        }
        .article-card-horizontal h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
            line-height: 1.5;
        }
        .article-card-horizontal .card-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card-horizontal .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .article-card-horizontal .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .btn-read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
            background: none;
            border: none;
            padding: 0;
        }
        .btn-read-more i {
            transition: transform var(--transition);
        }
        .btn-read-more:hover {
            color: var(--secondary);
        }
        .btn-read-more:hover i {
            transform: translateX(4px);
        }
        /* Support Cards */
        .support-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            height: 100%;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .support-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #D1D5DB;
        }
        .support-card .icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background-color: rgba(15,61,62,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--primary);
            transition: all var(--transition);
        }
        .support-card:hover .icon-circle {
            background-color: var(--primary);
            color: #FFFFFF;
        }
        .support-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .support-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            line-height: 1.7;
        }
        .support-card a {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
        }
        .support-card a:hover {
            color: var(--secondary);
        }
        /* Hot Article Mini List */
        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }
        .hot-list-item:last-child {
            border-bottom: none;
        }
        .hot-list-item:hover {
            padding-left: 8px;
        }
        .hot-list-number {
            font-size: 1.4rem;
            font-weight: 800;
            color: #D1D5DB;
            flex-shrink: 0;
            width: 36px;
            text-align: center;
        }
        .hot-list-item:nth-child(1) .hot-list-number {
            color: var(--accent);
        }
        .hot-list-item:nth-child(2) .hot-list-number {
            color: var(--secondary);
        }
        .hot-list-item:nth-child(3) .hot-list-number {
            color: var(--primary);
        }
        .hot-list-content {
            flex: 1;
        }
        .hot-list-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .hot-list-content .meta {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        /* Data Metrics */
        .metric-card {
            background-color: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .metric-card .metric-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .metric-card .metric-value.highlight {
            color: var(--accent);
        }
        .metric-card .metric-value.warm {
            color: var(--secondary);
        }
        .metric-card .metric-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        /* FAQ */
        .faq-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background-color: var(--card-bg);
        }
        .faq-item .accordion-button {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            background-color: #F8F9FA;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            transition: all var(--transition);
        }
        .faq-item .accordion-button:not(.collapsed) {
            background-color: var(--card-bg);
            color: var(--primary);
            box-shadow: none;
        }
        .faq-item .accordion-button:focus {
            box-shadow: none;
            border-color: var(--secondary);
        }
        .faq-item .accordion-body {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.7;
            padding: 16px 20px;
            background-color: var(--card-bg);
        }
        /* CTA */
        .cta-panel {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background-color: rgba(242,161,4,0.15);
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background-color: rgba(230,57,70,0.1);
        }
        .cta-panel .container {
            position: relative;
            z-index: 1;
        }
        .cta-panel h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 10px;
        }
        .cta-panel p {
            color: rgba(255,255,255,0.85);
            margin-bottom: 24px;
            font-size: 1rem;
            max-width: 560px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .cta-form input[type="text"],
        .cta-form input[type="email"] {
            flex: 1;
            min-width: 240px;
            padding: 12px 16px;
            border: 1px solid rgba(255,255,255,0.3);
            border-radius: var(--radius-sm);
            background-color: rgba(255,255,255,0.1);
            color: #FFFFFF;
            font-size: 0.9rem;
            outline: none;
            transition: all var(--transition);
        }
        .cta-form input::placeholder {
            color: rgba(255,255,255,0.6);
        }
        .cta-form input:focus {
            border-color: var(--secondary);
            background-color: rgba(255,255,255,0.15);
        }
        .btn-primary-custom {
            background-color: var(--secondary);
            color: #FFFFFF;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-custom:hover {
            background-color: #E09000;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(242,161,4,0.4);
        }
        .btn-primary-custom:focus {
            outline: 3px solid rgba(242,161,4,0.4);
            outline-offset: 2px;
        }
        .btn-secondary-custom {
            background-color: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-secondary-custom:hover {
            background-color: rgba(15,61,62,0.08);
            transform: translateY(-2px);
        }
        .btn-secondary-custom:focus {
            outline: 3px solid rgba(15,61,62,0.25);
            outline-offset: 2px;
        }
        .btn-view-more {
            background-color: var(--primary);
            color: #FFFFFF;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-view-more:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(15,61,62,0.3);
        }
        .btn-view-more:focus {
            outline: 3px solid rgba(15,61,62,0.3);
            outline-offset: 2px;
        }
        /* Footer */
        .site-footer {
            background-color: var(--primary-dark);
            color: #B0BEC5;
            padding: 48px 0 0;
            margin-top: 0;
        }
        .site-footer h5 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            font-family: var(--font-heading);
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 8px;
        }
        .site-footer .footer-links a {
            color: #90A4AE;
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--secondary);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 16px 0;
            margin-top: 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.8rem;
            color: #90A4AE;
        }
        .site-footer .footer-bottom a {
            color: #90A4AE;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--secondary);
        }
        /* Responsive */
        @media (max-width: 1200px) {
            .navbar-left, .navbar-right {
                gap: 18px;
            }
            .navbar-brand-text {
                padding: 0 12px;
                font-size: 1.25rem;
            }
            .nav-link-site {
                font-size: 0.82rem;
            }
        }
        @media (max-width: 992px) {
            .navbar-left, .navbar-right {
                gap: 12px;
            }
            .navbar-brand-text {
                padding: 0 8px;
                font-size: 1.15rem;
            }
            .nav-link-site {
                font-size: 0.75rem;
            }
            .article-card-horizontal .card-img-wrap {
                flex: 0 0 40%;
                max-width: 40%;
            }
            .section {
                padding: 40px 0;
            }
            .category-banner h1 {
                font-size: 1.75rem;
            }
        }
        @media (max-width: 768px) {
            .navbar-toggler-site {
                display: block;
                z-index: 1060;
            }
            .navbar-site {
                flex-wrap: wrap;
                justify-content: space-between;
                padding: 12px 16px;
                min-height: 56px;
            }
            .navbar-brand-text {
                font-size: 1.1rem;
                padding: 0;
                order: 0;
            }
            .navbar-toggler-site {
                order: 1;
            }
            .navbar-collapse-site {
                display: none;
                flex-direction: column;
                width: 100%;
                order: 2;
                padding: 16px 0 8px;
                gap: 0;
                background-color: var(--card-bg);
                border-top: 1px solid var(--border);
                margin-top: 12px;
            }
            .navbar-collapse-site.show {
                display: flex;
            }
            .navbar-left,
            .navbar-right {
                flex-direction: column;
                align-items: center;
                gap: 0;
                width: 100%;
            }
            .nav-link-site {
                padding: 12px 0;
                font-size: 0.95rem;
                width: 100%;
                text-align: center;
                border-bottom: 1px solid var(--border);
            }
            .nav-link-site:last-child {
                border-bottom: none;
            }
            .nav-link-site::after {
                display: none;
            }
            .nav-link-site.active {
                background-color: rgba(242,161,4,0.08);
                color: var(--secondary);
            }
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .category-banner {
                padding: 32px 0;
            }
            .category-banner h1 {
                font-size: 1.5rem;
            }
            .category-banner .lead {
                font-size: 0.9rem;
            }
            .article-card-horizontal {
                flex-direction: column;
            }
            .article-card-horizontal .card-img-wrap {
                flex: 0 0 auto;
                max-width: 100%;
                min-height: 180px;
                position: relative;
            }
            .article-card-horizontal .card-img-wrap img {
                position: static;
                height: 180px;
                object-fit: cover;
            }
            .article-card-horizontal .card-content {
                padding: 16px 18px;
            }
            .article-card-horizontal h3 {
                font-size: 1rem;
            }
            .cta-panel {
                padding: 28px 20px;
            }
            .cta-panel h2 {
                font-size: 1.4rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input {
                min-width: 0;
                width: 100%;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
            .metric-card .metric-value {
                font-size: 1.5rem;
            }
            .support-card {
                margin-bottom: 16px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .navbar-brand-text {
                font-size: 1rem;
            }
            .navbar-toggler-site span {
                width: 20px;
                height: 2px;
                margin: 4px 0;
            }
            .section {
                padding: 24px 0;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .breadcrumb-custom {
                font-size: 0.75rem;
                gap: 4px;
            }
            .category-banner h1 {
                font-size: 1.3rem;
            }
            .article-card-horizontal .card-img-wrap {
                min-height: 140px;
            }
            .article-card-horizontal .card-img-wrap img {
                height: 140px;
            }
            .article-card-horizontal .card-content {
                padding: 12px 14px;
            }
            .article-card-horizontal .card-excerpt {
                font-size: 0.82rem;
                -webkit-line-clamp: 2;
            }
            .article-card-horizontal h3 {
                font-size: 0.95rem;
            }
            .hot-list-item {
                padding: 10px 0;
                gap: 10px;
            }
            .hot-list-number {
                font-size: 1.1rem;
                width: 28px;
            }
            .hot-list-content h4 {
                font-size: 0.85rem;
            }
            .cta-panel {
                padding: 20px 16px;
                border-radius: var(--radius-md);
            }
            .cta-panel h2 {
                font-size: 1.2rem;
            }
            .cta-panel p {
                font-size: 0.85rem;
            }
            .btn-primary-custom,
            .btn-view-more {
                padding: 10px 18px;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            .btn-secondary-custom {
                padding: 8px 14px;
                font-size: 0.8rem;
                width: 100%;
                justify-content: center;
            }
            .site-footer {
                padding: 32px 0 0;
            }
            .site-footer h5 {
                font-size: 0.95rem;
                margin-bottom: 10px;
            }
            .site-footer .footer-links a {
                font-size: 0.8rem;
            }
            .site-footer .footer-bottom {
                font-size: 0.75rem;
                padding: 12px 0;
                margin-top: 20px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0F3D3E;
            --primary-dark: #0B2D2E;
            --secondary: #F2A104;
            --accent: #E63946;
            --bg: #F5F7FA;
            --card-bg: #FFFFFF;
            --border: #E9ECEF;
            --text-dark: #1A1A1A;
            --text-body: #2C3E50;
            --text-muted: #6B7280;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
            --transition: 0.2s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }

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

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 48px 0;
        }
        .section-alt {
            background-color: var(--card-bg);
        }
        .section-dark {
            background-color: var(--primary-dark);
            color: #E5E7EB;
        }
        .section-dark h2,
        .section-dark h3 {
            color: #FFFFFF;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--secondary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
            font-family: var(--font-heading);
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
            max-width: 680px;
        }

        /* Header / Navigation */
        .site-header {
            background-color: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 1px 10px rgba(0,0,0,0.05);
        }
        .navbar-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            padding: 0 20px;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
        }
        .navbar-left,
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
        }
        .navbar-left {
            justify-content: flex-end;
        }
        .navbar-right {
            justify-content: flex-start;
        }
        .navbar-brand-text {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition);
            padding: 0 20px;
        }
        .navbar-brand-text:hover {
            color: var(--secondary);
        }
        .nav-link-site {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 8px 0;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .nav-link-site::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary);
            transition: width var(--transition);
        }
        .nav-link-site:hover {
            color: var(--primary);
        }
        .nav-link-site:hover::after {
            width: 100%;
        }
        .nav-link-site.active {
            color: var(--secondary);
        }
        .nav-link-site.active::after {
            width: 100%;
            background-color: var(--secondary);
        }
        .navbar-toggler-site {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .navbar-toggler-site span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .navbar-collapse-site {
            display: flex;
            align-items: center;
            gap: 0;
            flex: 1;
        }

        /* Breadcrumb */
        .breadcrumb-wrapper {
            background-color: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb-inner a {
            color: var(--text-muted);
        }
        .breadcrumb-inner a:hover {
            color: var(--secondary);
        }
        .breadcrumb-sep {
            color: var(--border);
            font-size: 0.75rem;
        }
        .breadcrumb-current {
            color: var(--primary);
            font-weight: 600;
        }

        /* H1 Banner */
        .h1-banner {
            background-image: url('/assets/images/303b0d9ad657a4c6.webp');
            background-size: cover;
            background-position: center;
            padding: 36px 0;
            position: relative;
        }
        .h1-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,61,62,0.88) 0%, rgba(11,45,46,0.7) 100%);
        }
        .h1-banner .container {
            position: relative;
            z-index: 1;
        }
        .h1-banner h1 {
            font-size: 2rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }
        .h1-banner p {
            color: rgba(255,255,255,0.85);
            margin-bottom: 0;
            font-size: 1rem;
        }

        /* Category Intro */
        .category-intro {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            box-shadow: var(--shadow-sm);
        }
        .category-intro p {
            margin-bottom: 0;
            color: var(--text-body);
            line-height: 1.9;
            font-size: 0.95rem;
        }

        /* Tool Cards - Horizontal Layout */
        .tool-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: row;
            height: 100%;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .tool-card-img {
            width: 30%;
            min-width: 160px;
            max-width: 220px;
            flex-shrink: 0;
            overflow: hidden;
        }
        .tool-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .tool-card-body {
            flex: 1;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .tool-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--secondary);
            background-color: rgba(242,161,4,0.1);
            border-radius: 4px;
            padding: 3px 10px;
            margin-bottom: 10px;
            letter-spacing: 0.05em;
        }
        .tool-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
            font-family: var(--font-heading);
        }
        .tool-card-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            line-height: 1.7;
        }
        .tool-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .tool-card-meta .date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .tool-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
            margin-top: 4px;
        }
        .tool-card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }
        .tool-card-link:hover {
            color: var(--secondary);
        }
        .tool-card-link:hover i {
            transform: translateX(3px);
        }

        /* View More Button */
        .view-more-wrapper {
            text-align: center;
            margin-top: 32px;
        }
        .btn-view-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--primary);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 36px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .btn-view-more:hover {
            background-color: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-view-more:focus {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        /* Support Cards */
        .support-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            height: 100%;
            text-align: center;
        }
        .support-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .support-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background-color: rgba(15,61,62,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: var(--primary);
        }
        .support-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }
        .support-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* Hot Articles List */
        .hot-article-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            transition: background-color var(--transition);
        }
        .hot-article-item:last-child {
            border-bottom: none;
        }
        .hot-article-item:hover {
            background-color: rgba(15,61,62,0.02);
        }
        .hot-article-date {
            flex-shrink: 0;
            width: 70px;
            text-align: center;
            background-color: var(--bg);
            border-radius: var(--radius-sm);
            padding: 8px 6px;
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.3;
        }
        .hot-article-date .day {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            display: block;
        }
        .hot-article-info {
            flex: 1;
        }
        .hot-article-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
            transition: color var(--transition);
        }
        .hot-article-title:hover {
            color: var(--secondary);
        }
        .hot-article-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Data Metrics */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background-color: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: background-color var(--transition);
        }
        .metric-card:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .metric-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary);
            font-family: var(--font-heading);
            margin-bottom: 4px;
            display: block;
        }
        .metric-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 0;
        }

        /* CTA */
        .cta-section {
            background-color: var(--primary);
            border-radius: var(--radius-md);
            padding: 40px 48px;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }
        .cta-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }
        .cta-section p {
            color: rgba(255,255,255,0.8);
            margin-bottom: 24px;
            font-size: 0.95rem;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--secondary);
            color: var(--text-dark);
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 36px;
            font-size: 0.95rem;
            font-weight: 700;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .btn-cta:hover {
            background-color: #FF8C00;
            color: var(--text-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-cta:focus {
            outline: 2px solid #FFFFFF;
            outline-offset: 2px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--primary-dark);
            color: #E5E7EB;
            padding: 48px 0 0;
            margin-top: 48px;
        }
        .site-footer h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            font-family: var(--font-heading);
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: #90A4AE;
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 32px;
            padding: 16px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.82rem;
            color: #90A4AE;
        }
        .footer-bottom a {
            color: #90A4AE;
        }
        .footer-bottom a:hover {
            color: var(--secondary);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .navbar-left,
            .navbar-right {
                gap: 16px;
            }
            .navbar-brand-text {
                padding: 0 12px;
                font-size: 1.2rem;
            }
            .nav-link-site {
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                position: relative;
            }
            .navbar-site {
                flex-wrap: wrap;
                padding: 12px 20px;
                min-height: auto;
                gap: 8px;
            }
            .navbar-toggler-site {
                display: block;
                order: 2;
            }
            .navbar-brand-text {
                order: 1;
                font-size: 1.15rem;
                padding: 0;
                margin-right: auto;
            }
            .navbar-collapse-site {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: flex-start;
                background-color: var(--card-bg);
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                padding: 16px 20px;
                gap: 12px;
                display: none;
                width: 100%;
            }
            .navbar-collapse-site.show {
                display: flex;
            }
            .navbar-left,
            .navbar-right {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                width: 100%;
                flex: none;
            }
            .navbar-left {
                justify-content: flex-start;
            }
            .navbar-right {
                justify-content: flex-start;
            }
            .nav-link-site {
                display: block;
                width: 100%;
                padding: 10px 0;
                font-size: 0.95rem;
                border-bottom: 1px solid var(--border);
            }
            .nav-link-site:last-child {
                border-bottom: none;
            }
            .nav-link-site::after {
                display: none;
            }
            .section {
                padding: 36px 0;
            }
            .h1-banner {
                padding: 24px 0;
            }
            .h1-banner h1 {
                font-size: 1.5rem;
            }
            .tool-card {
                flex-direction: column;
            }
            .tool-card-img {
                width: 100%;
                min-width: 0;
                max-width: none;
                height: 180px;
            }
            .tool-card-img img {
                height: 100%;
                object-position: center 30%;
            }
            .tool-card-body {
                padding: 16px 18px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-number {
                font-size: 1.6rem;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
            .category-intro {
                padding: 18px 20px;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .tool-card-img {
                height: 150px;
            }
            .tool-card-title {
                font-size: 1rem;
            }
            .h1-banner h1 {
                font-size: 1.25rem;
            }
            .h1-banner p {
                font-size: 0.85rem;
            }
            .breadcrumb-inner {
                font-size: 0.75rem;
                flex-wrap: wrap;
            }
            .hot-article-item {
                flex-direction: column;
                gap: 8px;
            }
            .hot-article-date {
                width: auto;
                text-align: left;
                display: inline-flex;
                align-items: center;
                gap: 6px;
                background: none;
                padding: 0;
            }
            .hot-article-date .day {
                font-size: 0.95rem;
                display: inline;
            }
        }

/* roulang page: category7 */
:root {
  --primary: #0F3D3E;
  --primary-dark: #0B2D2E;
  --secondary: #F2A104;
  --accent: #E63946;
  --bg: #F5F7FA;
  --card-bg: #FFFFFF;
  --border: #E9ECEF;
  --text-dark: #1A1A1A;
  --text-body: #2C3E50;
  --text-muted: #6B7280;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
  --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a {
  text-decoration: none;
  color: var(--primary);
  transition: color var(--transition);
}
a:hover {
  color: var(--secondary);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
}
.section {
  padding: 56px 0;
}
.section-alt {
  background-color: var(--card-bg);
}
.section-dark {
  background-color: var(--primary-dark);
  color: #E5E7EB;
}
.section-dark h2,
.section-dark h3 {
  color: #FFFFFF;
}
.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-dark);
}
.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.8;
}
.text-center .section-desc {
  margin-left: auto;
  margin-right: auto;
  max-width: 680px;
}
/* Header / Navigation */
.site-header {
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1050;
  box-shadow: 0 1px 10px rgba(0,0,0,0.05);
}
.navbar-site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 20px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}
.navbar-left,
.navbar-right {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
}
.navbar-left {
  justify-content: flex-end;
}
.navbar-right {
  justify-content: flex-start;
}
.navbar-brand-text {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-heading);
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: color var(--transition);
  padding: 0 20px;
}
.navbar-brand-text:hover {
  color: var(--secondary);
}
.nav-link-site {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-body);
  padding: 8px 0;
  position: relative;
  transition: color var(--transition);
  white-space: nowrap;
}
.nav-link-site::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary);
  transition: width var(--transition);
}
.nav-link-site:hover {
  color: var(--primary);
}
.nav-link-site:hover::after {
  width: 100%;
}
.nav-link-site.active {
  color: var(--secondary);
}
.nav-link-site.active::after {
  width: 100%;
  background-color: var(--secondary);
}
.navbar-toggler-site {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.navbar-toggler-site span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--primary);
  margin: 5px 0;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.navbar-collapse-site {
  display: flex;
  align-items: center;
  gap: 0;
}
/* Breadcrumb */
.breadcrumb-bar {
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.breadcrumb-bar a {
  color: var(--text-muted);
}
.breadcrumb-bar a:hover {
  color: var(--secondary);
}
.breadcrumb-sep {
  margin: 0 6px;
  color: #C0C7D0;
}
/* Category Hero Banner */
.category-hero {
  background: linear-gradient(135deg, rgba(15,61,62,0.9) 0%, rgba(11,45,46,0.85) 100%), url('/assets/images/303b0d9ad657a4c6.webp');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 40px 0 32px;
  position: relative;
}
.category-hero .section-label {
  color: var(--secondary);
}
.category-hero h1 {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}
.category-hero p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.8);
  max-width: 720px;
  margin-bottom: 0;
}
/* Card styles */
.card-custom {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  height: 100%;
}
.card-custom:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card-cover {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.card-cover img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.card-custom:hover .card-cover img {
  transform: scale(1.03);
}
.card-body-custom {
  padding: 18px 18px 16px;
}
.card-tag {
  display: inline-block;
  background-color: rgba(242,161,4,0.12);
  color: #B86E00;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}
.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
  line-height: 1.5;
}
.card-summary {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}
.card-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 12px;
}
.card-meta i {
  color: var(--secondary);
  margin-right: 3px;
}
.btn-link-arrow {
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.85rem;
  transition: color var(--transition);
  border: none;
  background: none;
  padding: 0;
}
.btn-link-arrow i {
  margin-left: 4px;
  font-size: 0.75rem;
  transition: margin-left var(--transition);
}
.btn-link-arrow:hover {
  color: var(--primary);
}
.btn-link-arrow:hover i {
  margin-left: 8px;
}
/* Horizontal list card */
.horizontal-card {
  display: flex;
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  margin-bottom: 16px;
}
.horizontal-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.horizontal-card .card-cover-h {
  flex: 0 0 32%;
  min-height: 160px;
  overflow: hidden;
}
.horizontal-card .card-cover-h img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.horizontal-card:hover .card-cover-h img {
  transform: scale(1.05);
}
.horizontal-card .card-body-custom {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 18px 20px;
}
/* Data badge cards */
.data-badge-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  color: #fff;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
}
.data-badge-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.data-badge-card .number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--secondary);
  display: block;
  margin-bottom: 4px;
}
.data-badge-card .label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.85);
}
/* Hot list */
.hot-list-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition);
}
.hot-list-item:hover {
  background-color: #F8F9FA;
}
.hot-list-item:last-child {
  border-bottom: none;
}
.hot-rank {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background-color: rgba(242,161,4,0.12);
  color: #B86E00;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}
.hot-content {
  flex: 1;
}
.hot-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 2px;
  line-height: 1.5;
}
.hot-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}
/* FAQ Custom */
.accordion-custom .accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md) !important;
  margin-bottom: 12px;
  overflow: hidden;
  background-color: var(--card-bg);
  box-shadow: var(--shadow-sm);
}
.accordion-custom .accordion-button {
  background-color: #F5F7FA;
  color: var(--text-dark);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 20px;
  border: none;
  box-shadow: none;
  border-radius: var(--radius-md) !important;
  transition: background-color var(--transition);
}
.accordion-custom .accordion-button:not(.collapsed) {
  background-color: var(--card-bg);
  color: var(--primary);
  box-shadow: none;
}
.accordion-custom .accordion-button:focus {
  box-shadow: none;
  outline: none;
}
.accordion-custom .accordion-button::after {
  display: none;
}
.accordion-custom .accordion-button i {
  margin-left: auto;
  color: var(--secondary);
  transition: transform 0.3s ease;
}
.accordion-custom .accordion-button:not(.collapsed) i {
  transform: rotate(180deg);
}
.accordion-custom .accordion-body {
  padding: 16px 20px;
  background-color: var(--card-bg);
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.7;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}
/* CTA Section */
.cta-band {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: rgba(242,161,4,0.15);
  border-radius: 50%;
}
.cta-band::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: -30px;
  width: 160px;
  height: 160px;
  background: rgba(230,57,70,0.12);
  border-radius: 50%;
}
.cta-band h2 {
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}
.cta-band p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.btn-custom-primary {
  background-color: var(--secondary);
  color: #1A1A1A;
  border: 2px solid var(--secondary);
  border-radius: var(--radius-sm);
  padding: 10px 24px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--transition);
  position: relative;
  z-index: 1;
  display: inline-block;
}
.btn-custom-primary:hover {
  background-color: transparent;
  color: var(--secondary);
  border-color: var(--secondary);
  transform: translateY(-2px);
}
.btn-custom-primary:focus {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
}
.btn-custom-secondary {
  background-color: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 10px 24px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  display: inline-block;
}
.btn-custom-secondary:hover {
  background-color: rgba(15,61,62,0.1);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-custom-secondary:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
/* Footer */
.site-footer {
  background-color: var(--primary-dark);
  color: #E5E7EB;
  padding: 48px 0 0;
  margin-top: 56px;
}
.site-footer h5 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 8px;
}
.footer-links a {
  color: #90A4AE;
  font-size: 0.85rem;
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--secondary);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 32px;
  padding: 16px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: #90A4AE;
}
.footer-bottom a {
  color: #90A4AE;
}
.footer-bottom a:hover {
  color: var(--secondary);
}
/* Buttons in cards */
.btn-read-more {
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.85rem;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  transition: color var(--transition);
}
.btn-read-more i {
  margin-left: 4px;
  font-size: 0.75rem;
  transition: margin-left var(--transition);
}
.btn-read-more:hover {
  color: var(--primary);
}
.btn-read-more:hover i {
  margin-left: 8px;
}
/* View more */
.view-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-weight: 600;
  color: var(--primary);
  transition: all var(--transition);
  font-size: 0.9rem;
}
.view-more-btn:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  box-shadow: var(--shadow-sm);
}
.view-more-btn i {
  font-size: 0.8rem;
}
/* Responsive */
@media (max-width: 992px) {
  .navbar-site {
    flex-wrap: wrap;
    padding: 8px 16px;
    min-height: auto;
  }
  .navbar-collapse-site {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    padding: 12px 0;
    gap: 8px;
  }
  .navbar-collapse-site.show {
    display: flex;
  }
  .navbar-toggler-site {
    display: block;
    order: -1;
  }
  .navbar-brand-text {
    order: 0;
    padding: 0 12px;
    font-size: 1.2rem;
  }
  .navbar-left,
  .navbar-right {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    width: 100%;
    justify-content: flex-start;
  }
  .navbar-left {
    order: 1;
  }
  .navbar-right {
    order: 2;
  }
  .nav-link-site {
    padding: 8px 0;
    display: block;
    width: 100%;
  }
  .nav-link-site::after {
    display: none;
  }
  .nav-link-site.active {
    color: var(--secondary);
    font-weight: 700;
  }
  .category-hero h1 {
    font-size: 1.5rem;
  }
  .section-title {
    font-size: 1.4rem;
  }
  .horizontal-card {
    flex-direction: column;
  }
  .horizontal-card .card-cover-h {
    flex: 0 0 auto;
    height: 180px;
    width: 100%;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 768px) {
  .section {
    padding: 36px 0;
  }
  .category-hero {
    padding: 28px 0 24px;
  }
  .cta-band {
    padding: 24px 16px;
  }
  .data-badge-card .number {
    font-size: 1.4rem;
  }
}
@media (max-width: 520px) {
  .container {
    padding-left: 14px;
    padding-right: 14px;
  }
  .category-hero h1 {
    font-size: 1.3rem;
  }
  .card-title {
    font-size: 0.95rem;
  }
  .section-desc {
    font-size: 0.9rem;
  }
}

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