/* roulang page: index */
:root {
            --primary: #1F6FC4;
            --primary-dark: #16599F;
            --primary-darker: #0F467D;
            --primary-light: #EAF3FB;
            --primary-lighter: #F5F9FE;
            --accent: #F2A33C;
            --accent-dark: #D88F2A;
            --accent-light: #FFF4E4;
            --bg: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-soft: #F1F5F9;
            --text: #1A2A3A;
            --text-secondary: #5B6B7B;
            --text-muted: #8A99A8;
            --text-light: #B6C2CF;
            --border: #E4EAF2;
            --border-light: #EDF2F7;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow: 0 6px 20px rgba(26, 42, 58, 0.08);
            --shadow-hover: 0 14px 36px rgba(26, 42, 58, 0.14);
            --shadow-sm: 0 2px 8px rgba(26, 42, 58, 0.06);
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --font-body: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-padding-mobile: 48px 0;
        }

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

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

        h1 {
            font-size: 36px;
            font-weight: 700;
        }

        h2 {
            font-size: 26px;
            font-weight: 700;
        }

        h3 {
            font-size: 19px;
            font-weight: 600;
        }

        h4 {
            font-size: 16px;
            font-weight: 600;
        }

        p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        section {
            position: relative;
        }

        .section-padding {
            padding: var(--section-padding);
        }

        .section-padding-sm {
            padding: 48px 0;
        }

        .section-padding-lg {
            padding: 88px 0;
        }

        .bg-white-section {
            background: var(--bg-white);
        }

        .bg-light-section {
            background: var(--bg);
        }

        .bg-primary-light-section {
            background: var(--primary-lighter);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border: 1px solid rgba(31, 111, 196, 0.18);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-label i {
            font-size: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .section-header-center {
            text-align: center;
        }

        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* Buttons */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            border: 2px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
            font-family: var(--font-body);
        }

        .btn-custom:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }

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

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(31, 111, 196, 0.28);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
            background: var(--primary-darker);
            border-color: var(--primary-darker);
        }

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

        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline-custom:active {
            transform: translateY(0);
            background: var(--primary-light);
        }

        .btn-accent-custom {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-accent-custom:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(242, 163, 60, 0.32);
        }

        .btn-accent-custom:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-sm-custom {
            padding: 9px 20px;
            font-size: 13px;
            border-radius: var(--radius-pill);
        }

        .btn-lg-custom {
            padding: 16px 36px;
            font-size: 16px;
        }

        .btn-link-custom {
            background: none;
            border: none;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0;
            transition: var(--transition);
            font-family: var(--font-body);
        }

        .btn-link-custom:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* Badge / Tag */
        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.3px;
            line-height: 1.5;
        }

        .badge-primary {
            background: var(--primary-light);
            color: var(--primary);
        }

        .badge-accent {
            background: var(--accent-light);
            color: var(--accent-dark);
        }

        .badge-gray {
            background: var(--bg-soft);
            color: var(--text-secondary);
        }

        .badge-green {
            background: #E6F7EF;
            color: #0D9668;
        }

        /* Card */
        .card-custom {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(31, 111, 196, 0.35);
            transform: translateY(-3px);
        }

        .card-custom .card-img-top {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            transition: var(--transition);
        }

        .card-custom:hover .card-img-top {
            transform: scale(1.04);
        }

        .card-body-custom {
            padding: 24px 28px;
        }

        .card-title-custom {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
            line-height: 1.5;
        }

        .card-text-custom {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .card-meta i {
            font-size: 12px;
        }

        /* Navbar */
        .navbar-custom {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 12px rgba(26, 42, 58, 0.05);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }

        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: nowrap;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            white-space: nowrap;
            letter-spacing: 0.5px;
            text-decoration: none;
        }

        .navbar-brand-custom:hover {
            color: var(--primary);
        }

        .navbar-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .navbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .navbar-links li a {
            display: block;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .navbar-links li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .navbar-links li a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            cursor: pointer;
            font-size: 20px;
            color: var(--text);
            transition: var(--transition);
        }

        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        .mobile-menu {
            display: none;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 999;
            box-shadow: var(--shadow-hover);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

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

        .mobile-menu a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .mobile-menu .mobile-actions {
            display: flex;
            gap: 10px;
            padding-top: 12px;
            margin-top: 8px;
            border-top: 1px solid var(--border-light);
        }

        .mobile-menu .mobile-actions .btn-custom {
            flex: 1;
            justify-content: center;
            padding: 11px 16px;
            font-size: 14px;
        }

        /* Hero */
        .hero-section {
            background: linear-gradient(180deg, #EAF3FB 0%, #F8FAFC 100%);
            padding: 56px 0 64px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(31, 111, 196, 0.12) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(242, 163, 60, 0.1) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-left .hero-title {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 18px;
            color: var(--text);
            letter-spacing: 0.3px;
        }

        .hero-left .hero-subtitle {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 580px;
        }

        .hero-form-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 28px 30px;
        }

        .hero-form-card .form-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .hero-form-card .form-hint {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .hero-form-card .form-group-custom {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .hero-form-card input[type="email"],
        .hero-form-card input[type="text"],
        .hero-form-card select {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text);
            transition: var(--transition);
        }

        .hero-form-card input:focus,
        .hero-form-card select:focus {
            border-color: var(--primary);
            outline: none;
            background: var(--bg-white);
            box-shadow: 0 0 0 3px rgba(31, 111, 196, 0.12);
        }

        .hero-form-card input::placeholder {
            color: var(--text-muted);
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-image-wrapper {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            position: relative;
        }

        .hero-image-wrapper img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .hero-image-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-sm);
            padding: 10px 18px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: var(--shadow-sm);
        }

        .hero-image-badge i {
            color: var(--accent);
        }

        .hero-data-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }

        .hero-data-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 16px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .hero-data-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(31, 111, 196, 0.3);
        }

        .hero-data-item .data-number {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
        }

        .hero-data-item .data-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Section styles */
        .solution-section {
            background: var(--bg-white);
        }

        .solution-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .solution-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .solution-image img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }

        .solution-points {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin-top: 24px;
        }

        .solution-point {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .solution-point-icon {
            width: 40px;
            height: 40px;
            min-width: 40px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

        .solution-point-text h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 2px;
            color: var(--text);
        }

        .solution-point-text p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* Steps */
        .steps-section {
            background: var(--primary-lighter);
        }

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

        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            counter-increment: step-counter;
        }

        .step-card:hover {
            box-shadow: var(--shadow);
            border-color: rgba(31, 111, 196, 0.3);
            transform: translateY(-3px);
        }

        .step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 16px;
        }

        .step-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Data dashboard */
        .dashboard-section {
            background: var(--bg-white);
        }

        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .dash-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 24px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .dash-card:hover {
            box-shadow: var(--shadow);
            border-color: rgba(31, 111, 196, 0.3);
        }

        .dash-card .dash-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .dash-card .dash-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .dash-card .dash-trend {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }

        .dash-card .dash-trend.up {
            color: #0D9668;
        }

        .dash-card .dash-trend.hot {
            color: var(--accent-dark);
        }

        /* Testimonial */
        .testimonial-section {
            background: var(--bg);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px 26px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow);
            border-color: rgba(31, 111, 196, 0.25);
        }

        .testimonial-quote {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 18px;
            position: relative;
            padding-left: 16px;
            border-left: 3px solid var(--primary-light);
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            min-width: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
        }

        .testimonial-info h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 1px;
        }

        .testimonial-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Audience */
        .audience-section {
            background: var(--bg-white);
        }

        .audience-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .audience-card {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 26px 22px;
            text-align: center;
            transition: var(--transition);
        }

        .audience-card:hover {
            background: var(--bg-white);
            box-shadow: var(--shadow);
            border-color: rgba(31, 111, 196, 0.25);
            transform: translateY(-3px);
        }

        .audience-card .audience-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        .audience-card h3 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }

        .audience-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* News */
        .news-section {
            background: var(--bg);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(31, 111, 196, 0.3);
            transform: translateY(-3px);
        }

        .news-card .news-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            transition: var(--transition);
        }

        .news-card:hover .news-img {
            transform: scale(1.05);
        }

        .news-card-body {
            padding: 20px 24px 22px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .news-card-body .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-card-body .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.55;
            margin-bottom: 8px;
        }

        .news-card-body .news-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex-grow: 1;
        }

        /* Data metrics */
        .metrics-section {
            background: var(--primary-darker);
            color: #fff;
            padding: 56px 0 60px;
        }

        .metrics-section .section-title {
            color: #fff;
        }

        .metrics-section .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

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

        .metric-item {
            text-align: center;
            padding: 20px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: var(--transition);
        }

        .metric-item:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.3);
        }

        .metric-item .metric-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .metric-item .metric-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }

        /* Brand intro */
        .brand-section {
            background: var(--bg-white);
        }

        .brand-content {
            background: var(--primary-lighter);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 40px 44px;
            box-shadow: var(--shadow-sm);
        }

        .brand-content p {
            font-size: 15px;
            line-height: 2;
            color: var(--text-secondary);
            margin-bottom: 14px;
        }

        .brand-content p:last-child {
            margin-bottom: 0;
        }

        /* Match calendar */
        .calendar-section {
            background: var(--bg);
        }

        .calendar-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .calendar-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            gap: 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            flex-wrap: wrap;
        }

        .calendar-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(31, 111, 196, 0.25);
        }

        .calendar-date {
            min-width: 80px;
            text-align: center;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-weight: 700;
            font-size: 14px;
            line-height: 1.4;
        }

        .calendar-match {
            flex: 1;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }

        .calendar-tag {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
        }

        /* Success path */
        .path-section {
            background: var(--bg-white);
        }

        .path-track {
            display: flex;
            gap: 0;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        .path-node {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            min-width: 160px;
            padding: 0 12px;
            position: relative;
        }

        .path-node-dot {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(31, 111, 196, 0.25);
            cursor: pointer;
            transition: var(--transition);
        }

        .path-node-dot:hover {
            background: var(--accent);
            transform: scale(1.08);
            box-shadow: 0 6px 18px rgba(242, 163, 60, 0.35);
        }

        .path-node h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0;
        }

        .path-node p {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            max-width: 140px;
            line-height: 1.5;
        }

        .path-arrow {
            font-size: 22px;
            color: var(--text-muted);
            margin: 0 4px;
            position: relative;
            top: -16px;
        }

        /* Platform guarantee */
        .guarantee-section {
            background: var(--primary-lighter);
        }

        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 20px 22px;
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .guarantee-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(31, 111, 196, 0.25);
        }

        .guarantee-icon {
            width: 36px;
            height: 36px;
            min-width: 36px;
            border-radius: 8px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .guarantee-text h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 3px;
        }

        .guarantee-text p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-white);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(31, 111, 196, 0.25);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-body);
            transition: var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: var(--transition);
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }

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

        .faq-item.open .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        /* Subscribe CTA */
        .subscribe-section {
            background: var(--primary-darker);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .subscribe-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -40px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(242, 163, 60, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }

        .subscribe-wrapper {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .subscribe-wrapper h2 {
            color: #fff;
            font-size: 28px;
            margin-bottom: 12px;
        }

        .subscribe-wrapper p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

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

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 240px;
            max-width: 400px;
            padding: 14px 20px;
            border-radius: var(--radius-pill);
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 14px;
            font-family: var(--font-body);
            transition: var(--transition);
        }

        .subscribe-form input[type="email"]::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.18);
            outline: none;
            box-shadow: 0 0 0 4px rgba(242, 163, 60, 0.2);
        }

        .subscribe-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 14px;
        }

        /* Footer */
        .footer-custom {
            background: #102A43;
            color: #c0cdd8;
            padding: 48px 0 28px;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-brand .footer-logo i {
            background: var(--primary);
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

        .footer-brand p {
            font-size: 13px;
            color: #8da0af;
            line-height: 1.8;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 9px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: #8da0af;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a:hover {
            color: #fff;
            gap: 10px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 12px;
        }

        .footer-bottom .copyright {
            color: #7b8fa0;
        }

        .footer-bottom .footer-links-static {
            display: flex;
            align-items: center;
            gap: 6px;
            color: #7b8fa0;
        }

        .footer-bottom .footer-links-static a {
            color: #7b8fa0;
            font-size: 12px;
            transition: var(--transition);
        }

        .footer-bottom .footer-links-static a:hover {
            color: #fff;
        }

        .footer-bottom .footer-links-static .separator {
            color: #4b5f70;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-left .hero-title {
                font-size: 32px;
            }

            .solution-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .dashboard-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .audience-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .navbar-links {
                gap: 2px;
            }

            .navbar-links li a {
                padding: 8px 10px;
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            .navbar-custom .container {
                flex-wrap: wrap;
                gap: 10px;
            }

            .navbar-links {
                display: none;
            }

            .navbar-actions .btn-sm-custom {
                padding: 8px 14px;
                font-size: 12px;
            }

            .navbar-toggler-custom {
                display: block;
            }

            .mobile-menu {
                display: none;
            }

            .mobile-menu.open {
                display: flex;
            }

            h1 {
                font-size: 28px;
            }

            h2 {
                font-size: 22px;
            }

            .section-title {
                font-size: 22px;
            }

            .section-padding {
                padding: var(--section-padding-mobile);
            }

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

            .section-padding-sm {
                padding: 36px 0;
            }

            .hero-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .hero-left .hero-title {
                font-size: 26px;
            }

            .hero-form-card {
                padding: 22px 20px;
            }

            .hero-data-row {
                grid-template-columns: 1fr 1fr;
            }

            .solution-grid {
                grid-template-columns: 1fr;
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }

            .dashboard-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
            }

            .audience-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .guarantee-grid {
                grid-template-columns: 1fr;
            }

            .brand-content {
                padding: 28px 22px;
            }

            .calendar-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 16px 18px;
            }

            .calendar-date {
                min-width: auto;
                text-align: left;
            }

            .path-track {
                flex-direction: column;
                gap: 18px;
            }

            .path-arrow {
                transform: rotate(90deg);
                top: 0;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }

            .subscribe-wrapper h2 {
                font-size: 22px;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form input[type="email"] {
                max-width: 100%;
                min-width: auto;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-left .hero-title {
                font-size: 22px;
            }

            .hero-left .hero-subtitle {
                font-size: 14px;
            }

            .navbar-brand-custom {
                font-size: 18px;
                gap: 8px;
            }

            .navbar-brand-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 8px;
            }

            .navbar-actions .btn-custom {
                padding: 8px 12px;
                font-size: 12px;
            }

            .hero-data-row {
                grid-template-columns: 1fr;
            }

            .dashboard-grid {
                grid-template-columns: 1fr;
            }

            .audience-grid {
                grid-template-columns: 1fr;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
            }

            .dash-card .dash-number {
                font-size: 28px;
            }

            .metric-item .metric-number {
                font-size: 26px;
            }

            .steps-grid {
                gap: 14px;
            }

            .step-card {
                padding: 22px 18px;
            }

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

            .btn-lg-custom {
                padding: 14px 24px;
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1F6FC4;
            --primary-dark: #16599F;
            --primary-darker: #0F467D;
            --primary-light: #EAF3FB;
            --primary-lighter: #F5F9FE;
            --accent: #F2A33C;
            --accent-dark: #D88F2A;
            --accent-light: #FFF4E4;
            --bg: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-soft: #F1F5F9;
            --text: #1A2A3A;
            --text-secondary: #5B6B7B;
            --text-muted: #8A99A8;
            --text-light: #B6C2CF;
            --border: #E4EAF2;
            --border-light: #EDF2F7;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow: 0 6px 20px rgba(26, 42, 58, 0.08);
            --shadow-hover: 0 14px 36px rgba(26, 42, 58, 0.14);
            --shadow-sm: 0 2px 8px rgba(26, 42, 58, 0.06);
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --font-body: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-padding-mobile: 48px 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            color: var(--text);
            background: var(--bg);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }
        section {
            position: relative;
        }
        .section-padding {
            padding: var(--section-padding);
        }
        .section-padding-sm {
            padding: 48px 0;
        }
        .section-padding-lg {
            padding: 88px 0;
        }
        .bg-white-section {
            background: var(--bg-white);
        }
        .bg-light-section {
            background: var(--bg);
        }
        .bg-primary-light-section {
            background: var(--primary-lighter);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border: 1px solid rgba(31, 111, 196, 0.18);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-label i {
            font-size: 12px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .section-header-center {
            text-align: center;
        }
        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            border: 2px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
            font-family: var(--font-body);
        }
        .btn-custom:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(31, 111, 196, 0.28);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
            background: var(--primary-darker);
            border-color: var(--primary-darker);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline-custom:active {
            transform: translateY(0);
            background: var(--primary-light);
        }
        .btn-accent-custom {
            background: var(--accent);
            color: var(--text);
            border-color: var(--accent);
        }
        .btn-accent-custom:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: var(--text);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(242, 163, 60, 0.3);
        }
        .btn-sm-custom {
            padding: 9px 20px;
            font-size: 13px;
        }
        .btn-lg-custom {
            padding: 16px 36px;
            font-size: 17px;
        }

        /* Header / Navigation */
        .navbar-custom {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
        }
        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-brand-custom:hover {
            color: var(--primary);
        }
        .navbar-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 18px;
        }
        .navbar-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
        }
        .navbar-links li a {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: var(--transition);
            position: relative;
        }
        .navbar-links li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-links li a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .navbar-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            width: 42px;
            height: 42px;
            font-size: 18px;
            color: var(--text);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 16px 24px 24px;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            gap: 4px;
        }
        .mobile-menu a {
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-menu a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-menu a.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-actions {
            display: flex;
            gap: 10px;
            margin-top: 12px;
            flex-wrap: wrap;
        }

        /* Breadcrumb */
        .breadcrumb-custom {
            padding: 0;
            margin: 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li a {
            color: var(--text-secondary);
        }
        .breadcrumb-custom li a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom li .separator {
            color: var(--text-light);
        }
        .breadcrumb-custom li.current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Category Hero / H1 area */
        .category-hero {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 48px 0 40px;
        }
        .category-hero .breadcrumb-wrap {
            margin-bottom: 20px;
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
            letter-spacing: 0.3px;
        }
        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .category-hero .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Filter / Search bar */
        .filter-bar {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .filter-bar .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-bar .filter-label i {
            color: var(--primary);
        }
        .filter-bar .form-select-custom,
        .filter-bar .form-input-custom {
            padding: 10px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text);
            background: var(--bg-white);
            transition: var(--transition);
            font-family: var(--font-body);
            min-width: 140px;
        }
        .filter-bar .form-select-custom:focus,
        .filter-bar .form-input-custom:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31, 111, 196, 0.15);
        }
        .filter-bar .filter-search {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            min-width: 200px;
        }
        .filter-bar .filter-search .form-input-custom {
            flex: 1;
        }
        .filter-bar .filter-search .btn-icon {
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            font-size: 14px;
        }
        .filter-bar .filter-search .btn-icon:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-sm);
        }

        /* Data list cards - compact horizontal cards */
        .data-list-grid {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .data-card-horizontal {
            display: flex;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .data-card-horizontal:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .data-card-horizontal .card-image {
            flex: 0 0 280px;
            overflow: hidden;
            position: relative;
        }
        .data-card-horizontal .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .data-card-horizontal:hover .card-image img {
            transform: scale(1.04);
        }
        .data-card-horizontal .card-body-content {
            flex: 1;
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 12px;
        }
        .data-card-horizontal .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .data-card-horizontal .tag {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: var(--primary-light);
            color: var(--primary);
            letter-spacing: 0.3px;
        }
        .data-card-horizontal .tag-accent {
            background: var(--accent-light);
            color: var(--accent-dark);
        }
        .data-card-horizontal .card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
            line-height: 1.4;
        }
        .data-card-horizontal .card-title a {
            color: var(--text);
        }
        .data-card-horizontal .card-title a:hover {
            color: var(--primary);
        }
        .data-card-horizontal .card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .data-card-horizontal .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .data-card-horizontal .card-meta i {
            margin-right: 4px;
            color: var(--primary);
        }
        .data-card-horizontal .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }
        .data-card-horizontal .card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* Stats overview */
        .stats-overview {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-box {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .stat-box:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .stat-box .stat-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .stat-box .stat-icon.accent {
            color: var(--accent);
        }
        .stat-box .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .stat-box .stat-number span {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-muted);
        }
        .stat-box .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* Hot topics cards */
        .hot-topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .hot-topic-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .hot-topic-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .hot-topic-card .topic-image {
            height: 160px;
            overflow: hidden;
            position: relative;
        }
        .hot-topic-card .topic-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .hot-topic-card:hover .topic-image img {
            transform: scale(1.05);
        }
        .hot-topic-card .topic-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .hot-topic-card .topic-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
            line-height: 1.5;
        }
        .hot-topic-card .topic-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .hot-topic-card .topic-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hot-topic-card .topic-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 16px;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            user-select: none;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }

        /* CTA */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: 120px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(242, 163, 60, 0.25);
        }
        .cta-banner .cta-content {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .cta-title {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .cta-banner .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
        }
        .cta-banner .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }
        .cta-banner .btn-white:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
        }
        .cta-banner .btn-outline-white {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }
        .cta-banner .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* Footer */
        .footer-custom {
            background: #102A43;
            color: rgba(255, 255, 255, 0.78);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand .footer-logo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            gap: 12px;
        }
        .footer-col ul li a i {
            font-size: 10px;
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom .copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-links-static {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
        }
        .footer-links-static a {
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-links-static a:hover {
            color: var(--accent);
        }
        .footer-links-static .separator {
            color: rgba(255, 255, 255, 0.3);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .navbar-links li a {
                padding: 10px 10px;
                font-size: 13px;
            }
            .navbar-actions .btn-custom {
                padding: 9px 16px;
                font-size: 12px;
            }
            .stats-overview {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-card-horizontal .card-image {
                flex: 0 0 220px;
            }
        }
        @media (max-width: 768px) {
            .navbar-custom .container {
                height: 64px;
            }
            .navbar-links {
                display: none;
            }
            .navbar-actions {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .mobile-menu.show {
                display: flex;
            }
            .section-padding {
                padding: var(--section-padding-mobile);
            }
            .section-title {
                font-size: 22px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .data-card-horizontal {
                flex-direction: column;
            }
            .data-card-horizontal .card-image {
                flex: 0 0 200px;
                width: 100%;
            }
            .data-card-horizontal .card-body-content {
                padding: 20px;
            }
            .stats-overview {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-box {
                padding: 20px 16px;
            }
            .stat-box .stat-number {
                font-size: 24px;
            }
            .hot-topics-grid {
                grid-template-columns: 1fr;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
            }
            .filter-bar .filter-search {
                min-width: auto;
                width: 100%;
            }
            .filter-bar .form-select-custom,
            .filter-bar .form-input-custom {
                min-width: auto;
                width: 100%;
            }
            .cta-banner {
                padding: 32px 28px;
                flex-direction: column;
                text-align: center;
            }
            .cta-banner .cta-title {
                font-size: 22px;
            }
            .cta-banner .cta-actions {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .stats-overview {
                grid-template-columns: 1fr;
            }
            .stat-box .stat-number {
                font-size: 28px;
            }
            .btn-custom {
                padding: 11px 22px;
                font-size: 14px;
            }
            .data-card-horizontal .card-image {
                flex: 0 0 160px;
            }
            .data-card-horizontal .card-body-content {
                padding: 16px;
            }
            .data-card-horizontal .card-title {
                font-size: 17px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1F6FC4;
            --primary-dark: #16599F;
            --primary-darker: #0F467D;
            --primary-light: #EAF3FB;
            --primary-lighter: #F5F9FE;
            --accent: #F2A33C;
            --accent-dark: #D88F2A;
            --accent-light: #FFF4E4;
            --bg: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-soft: #F1F5F9;
            --text: #1A2A3A;
            --text-secondary: #5B6B7B;
            --text-muted: #8A99A8;
            --text-light: #B6C2CF;
            --border: #E4EAF2;
            --border-light: #EDF2F7;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow: 0 6px 20px rgba(26, 42, 58, 0.08);
            --shadow-hover: 0 14px 36px rgba(26, 42, 58, 0.14);
            --shadow-sm: 0 2px 8px rgba(26, 42, 58, 0.06);
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --font-body: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-padding-mobile: 48px 0;
        }

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

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

        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        section {
            position: relative;
        }

        .section-padding {
            padding: var(--section-padding);
        }
        .section-padding-sm {
            padding: 48px 0;
        }
        .section-padding-lg {
            padding: 88px 0;
        }

        .bg-white-section {
            background: var(--bg-white);
        }
        .bg-light-section {
            background: var(--bg);
        }
        .bg-primary-light-section {
            background: var(--primary-lighter);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border: 1px solid rgba(31, 111, 196, 0.18);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-label i {
            font-size: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .section-header-center {
            text-align: center;
        }
        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            border: 2px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
            font-family: var(--font-body);
        }
        .btn-custom:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(31, 111, 196, 0.28);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
            background: var(--primary-darker);
            border-color: var(--primary-darker);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline-custom:active {
            transform: translateY(0);
            background: var(--primary-light);
        }
        .btn-accent-custom {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-accent-custom:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(242, 163, 60, 0.3);
        }
        .btn-accent-custom:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-sm-custom {
            padding: 10px 20px;
            font-size: 14px;
        }
        .btn-lg-custom {
            padding: 16px 38px;
            font-size: 16px;
        }

        .navbar-custom {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(26, 42, 58, 0.04);
        }
        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: nowrap;
        }
        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-brand-custom:hover {
            color: var(--primary);
        }
        .navbar-brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }
        .navbar-links li {
            margin: 0;
        }
        .navbar-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .navbar-links a:hover {
            color: var(--primary);
            background: var(--primary-lighter);
        }
        .navbar-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text);
            font-size: 20px;
            padding: 8px 14px;
            cursor: pointer;
            transition: var(--transition);
            align-items: center;
            justify-content: center;
            line-height: 1;
        }
        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 4px;
            box-shadow: 0 12px 28px rgba(26, 42, 58, 0.08);
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-menu a:hover {
            color: var(--primary);
            background: var(--primary-lighter);
        }
        .mobile-menu a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .mobile-menu .mobile-actions {
            display: flex;
            gap: 10px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom {
            background: transparent;
            padding: 16px 0 0;
            margin: 0;
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom .separator {
            color: var(--text-light);
            font-size: 12px;
        }
        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 600;
        }

        .page-header-category {
            padding: 40px 0 24px;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
        }
        .page-header-category .h1-category {
            font-size: 34px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .page-header-category .category-lead {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 860px;
            line-height: 1.8;
            margin-bottom: 8px;
        }

        .event-list-section {
            padding: 48px 0 56px;
            background: var(--bg);
        }
        .event-list-card {
            display: flex;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 20px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .event-list-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .event-list-card .event-image {
            flex: 0 0 280px;
            min-height: 200px;
            overflow: hidden;
            position: relative;
            background: var(--bg-soft);
        }
        .event-list-card .event-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .event-list-card:hover .event-image img {
            transform: scale(1.04);
        }
        .event-list-card .event-content {
            flex: 1;
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .event-list-card .event-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 4px;
        }
        .event-list-card .event-tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.3px;
        }
        .event-tag-primary {
            background: var(--primary-light);
            color: var(--primary);
            border: 1px solid rgba(31, 111, 196, 0.18);
        }
        .event-tag-accent {
            background: var(--accent-light);
            color: var(--accent-dark);
            border: 1px solid rgba(242, 163, 60, 0.25);
        }
        .event-tag-gray {
            background: var(--bg-soft);
            color: var(--text-secondary);
            border: 1px solid var(--border);
        }
        .event-list-card .event-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
            line-height: 1.4;
            letter-spacing: 0.3px;
        }
        .event-list-card .event-title a {
            color: var(--text);
            transition: var(--transition);
        }
        .event-list-card .event-title a:hover {
            color: var(--primary);
        }
        .event-list-card .event-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }
        .event-list-card .event-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }
        .event-list-card .event-meta i {
            margin-right: 5px;
            color: var(--primary);
            font-size: 13px;
        }
        .event-list-card .event-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 8px;
            transition: var(--transition);
        }
        .event-list-card .event-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        .event-list-card .event-link i {
            font-size: 12px;
        }

        .topic-entry-section {
            padding: 56px 0;
            background: var(--bg-white);
        }
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: var(--bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .topic-card .topic-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 4px;
        }
        .topic-card .topic-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
            line-height: 1.4;
        }
        .topic-card .topic-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }
        .topic-card .topic-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .topic-card .topic-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        .data-summary-section {
            padding: 56px 0;
            background: var(--primary-lighter);
        }
        .data-summary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .data-summary-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .data-summary-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .data-summary-item .data-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }
        .data-summary-item .data-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .faq-section {
            padding: 56px 0;
            background: var(--bg-white);
        }
        .faq-accordion .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--bg-white);
            transition: var(--transition);
        }
        .faq-accordion .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-accordion .faq-question {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-body);
            letter-spacing: 0.2px;
        }
        .faq-accordion .faq-question:hover {
            color: var(--primary);
        }
        .faq-accordion .faq-question i {
            color: var(--primary);
            font-size: 14px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-accordion .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-accordion .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 24px;
        }
        .faq-accordion .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }
        .faq-accordion .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        .cta-section {
            padding: 56px 0;
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -8%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-title {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .cta-actions .btn-custom {
            border-width: 2px;
        }
        .cta-actions .btn-white-custom {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }
        .cta-actions .btn-white-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.15);
        }
        .cta-actions .btn-outline-white-custom {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }
        .cta-actions .btn-outline-white-custom:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.15);
        }

        .footer-custom {
            background: #102A43;
            color: #D9E2EC;
            padding: 48px 0 24px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-logo i {
            color: var(--accent);
            font-size: 20px;
        }
        .footer-brand p {
            font-size: 13px;
            color: #B6C2CF;
            line-height: 1.8;
            max-width: 300px;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #B6C2CF;
            font-size: 13px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-col ul li a i {
            font-size: 10px;
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom .copyright {
            font-size: 13px;
            color: #8A99A8;
        }
        .footer-links-static {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #8A99A8;
        }
        .footer-links-static a {
            color: #B6C2CF;
            font-size: 13px;
            transition: var(--transition);
        }
        .footer-links-static a:hover {
            color: #fff;
        }
        .footer-links-static .separator {
            color: #5B6B7B;
        }

        @media (max-width: 1024px) {
            .navbar-links {
                gap: 2px;
            }
            .navbar-links a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .event-list-card .event-image {
                flex: 0 0 220px;
                min-height: 180px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-summary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .navbar-custom .container {
                flex-wrap: wrap;
                gap: 12px;
            }
            .navbar-links {
                display: none;
            }
            .navbar-actions {
                display: none;
            }
            .navbar-toggler-custom {
                display: inline-flex;
            }
            .mobile-menu.show {
                display: flex;
            }
            .section-padding {
                padding: var(--section-padding-mobile);
            }
            .section-title {
                font-size: 24px;
            }
            .page-header-category .h1-category {
                font-size: 28px;
            }
            .event-list-card {
                flex-direction: column;
            }
            .event-list-card .event-image {
                flex: 0 0 auto;
                min-height: 180px;
                width: 100%;
            }
            .event-list-card .event-content {
                padding: 20px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .data-summary-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .cta-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .navbar-brand-custom {
                font-size: 17px;
            }
            .navbar-brand-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .page-header-category .h1-category {
                font-size: 24px;
            }
            .event-list-card .event-title {
                font-size: 17px;
            }
            .event-list-card .event-content {
                padding: 16px;
            }
            .data-summary-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 21px;
            }
            .btn-custom {
                padding: 11px 22px;
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-title {
                font-size: 21px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1F6FC4;
            --primary-dark: #16599F;
            --primary-darker: #0F467D;
            --primary-light: #EAF3FB;
            --primary-lighter: #F5F9FE;
            --accent: #F2A33C;
            --accent-dark: #D88F2A;
            --accent-light: #FFF4E4;
            --bg: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-soft: #F1F5F9;
            --text: #1A2A3A;
            --text-secondary: #5B6B7B;
            --text-muted: #8A99A8;
            --text-light: #B6C2CF;
            --border: #E4EAF2;
            --border-light: #EDF2F7;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow: 0 6px 20px rgba(26, 42, 58, 0.08);
            --shadow-hover: 0 14px 36px rgba(26, 42, 58, 0.14);
            --shadow-sm: 0 2px 8px rgba(26, 42, 58, 0.06);
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --font-body: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-padding-mobile: 48px 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-body);
            color: var(--text);
            background: var(--bg);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }
        section {
            position: relative;
        }
        .section-padding {
            padding: var(--section-padding);
        }
        .section-padding-sm {
            padding: 48px 0;
        }
        .section-padding-lg {
            padding: 88px 0;
        }
        .bg-white-section {
            background: var(--bg-white);
        }
        .bg-light-section {
            background: var(--bg);
        }
        .bg-primary-light-section {
            background: var(--primary-lighter);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border: 1px solid rgba(31, 111, 196, 0.18);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-label i {
            font-size: 12px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: 0.3px;
            line-height: 1.4;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .section-header-center {
            text-align: center;
        }
        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            border: 2px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
            font-family: var(--font-body);
        }
        .btn-custom:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(31, 111, 196, 0.28);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
            background: var(--primary-darker);
            border-color: var(--primary-darker);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline-custom:active {
            transform: translateY(0);
            background: var(--primary-light);
        }
        .btn-accent-custom {
            background: var(--accent);
            color: var(--text);
            border-color: var(--accent);
        }
        .btn-accent-custom:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: var(--text);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(242, 163, 60, 0.35);
        }
        .btn-accent-custom:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-sm-custom {
            padding: 9px 20px;
            font-size: 14px;
        }
        .btn-lg-custom {
            padding: 16px 36px;
            font-size: 16px;
        }
        /* Header Navigation */
        .navbar-custom {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
            box-shadow: 0 2px 12px rgba(26, 42, 58, 0.04);
        }
        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: nowrap;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 20px;
            color: var(--text);
            flex-shrink: 0;
        }
        .navbar-brand-custom:hover {
            color: var(--primary);
        }
        .navbar-brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(31, 111, 196, 0.3);
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: nowrap;
        }
        .navbar-links li a {
            display: block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-pill);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .navbar-links li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-links li a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .navbar-links li a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            width: 42px;
            height: 42px;
            font-size: 20px;
            color: var(--text);
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
            align-items: center;
            justify-content: center;
        }
        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }
        .mobile-menu {
            display: none;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
            box-shadow: var(--shadow);
        }
        .mobile-menu a {
            display: block;
            padding: 10px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-menu a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-menu a.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-menu .mobile-actions {
            display: flex;
            gap: 10px;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        /* Breadcrumb */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--text-secondary);
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom .separator {
            color: var(--text-light);
            font-size: 12px;
        }
        .breadcrumb-custom .current {
            color: var(--text);
            font-weight: 500;
        }
        /* Page Header */
        .page-header-custom {
            padding: 48px 0 28px;
            background: var(--primary-lighter);
            border-bottom: 1px solid var(--border);
        }
        .page-header-custom h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            line-height: 1.35;
        }
        .page-header-custom .page-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 820px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .page-header-custom .page-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .page-header-custom .page-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        /* Category Cards Grid */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 8px;
        }
        .category-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .category-card:hover {
            box-shadow: var(--shadow);
            border-color: rgba(31, 111, 196, 0.35);
            transform: translateY(-2px);
        }
        .category-card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--bg-soft);
        }
        .category-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .category-card:hover .category-card-image img {
            transform: scale(1.05);
        }
        .category-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: var(--text);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.3px;
            z-index: 2;
        }
        .category-card-badge.blue {
            background: var(--primary);
            color: #fff;
        }
        .category-card-badge.green {
            background: #22A06B;
            color: #fff;
        }
        .category-card-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .category-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .category-card-title a {
            color: var(--text);
        }
        .category-card-title a:hover {
            color: var(--primary);
        }
        .category-card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .category-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .category-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .category-card-meta i {
            font-size: 11px;
            color: var(--text-light);
        }
        .category-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }
        .btn-read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .btn-read-more:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        .btn-read-more i {
            font-size: 12px;
        }
        /* Trending Section */
        .trending-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .trending-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .trending-card:hover {
            box-shadow: var(--shadow);
            border-color: rgba(31, 111, 196, 0.3);
            transform: translateY(-2px);
        }
        .trending-card .trending-icon {
            width: 46px;
            height: 46px;
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
        }
        .trending-card .trending-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
        }
        .trending-card .trending-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .trending-card .trending-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
        }
        /* Stats Bar */
        .stats-bar-custom {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-darker));
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            box-shadow: var(--shadow);
        }
        .stat-item {
            text-align: center;
            color: #fff;
            padding: 8px 0;
        }
        .stat-item .stat-value {
            font-size: 42px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--accent);
            display: block;
            margin-bottom: 4px;
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            letter-spacing: 0.5px;
        }
        /* Brand Info */
        .brand-info-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-sm);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .brand-info-card .brand-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
        }
        .brand-info-card .brand-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .brand-info-card .brand-image {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: var(--bg-soft);
        }
        .brand-info-card .brand-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        /* FAQ */
        .faq-container {
            max-width: 820px;
            margin: 0 auto;
        }
        .accordion-custom {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .accordion-custom:hover {
            border-color: rgba(31, 111, 196, 0.3);
        }
        .accordion-custom .accordion-header {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-body);
        }
        .accordion-custom .accordion-header:hover {
            background: var(--primary-lighter);
            color: var(--primary);
        }
        .accordion-custom .accordion-header i {
            transition: transform 0.3s ease;
            color: var(--text-muted);
            font-size: 14px;
            flex-shrink: 0;
        }
        .accordion-custom .accordion-header.active {
            color: var(--primary);
        }
        .accordion-custom .accordion-header.active i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .accordion-custom .accordion-body {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }
        .accordion-custom .accordion-body.open {
            display: block;
        }
        /* CTA */
        .cta-section-custom {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            position: relative;
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: stretch;
            min-height: 320px;
        }
        .cta-content {
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .cta-content .cta-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .cta-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .cta-image {
            position: relative;
            overflow: hidden;
            min-height: 320px;
        }
        .cta-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }
        .cta-image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(15, 70, 125, 0.75), rgba(31, 111, 196, 0.45));
            z-index: 1;
        }
        .cta-image .cta-img-text {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            height: 100%;
            min-height: 320px;
        }
        .cta-image .cta-img-text h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .cta-image .cta-img-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 0;
        }
        /* Footer */
        .footer-custom {
            background: #102A43;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .footer-custom .container {
            max-width: var(--container-max);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .footer-logo {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .footer-brand .footer-logo i {
            color: var(--accent);
            font-size: 22px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-col ul li a i {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom .copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-links-static {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
        }
        .footer-links-static a {
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-links-static a:hover {
            color: var(--accent);
        }
        .footer-links-static .separator {
            color: rgba(255, 255, 255, 0.3);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-padding: 56px 0;
            }
            .navbar-links li a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .trending-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stats-bar-custom {
                grid-template-columns: repeat(2, 1fr);
                padding: 30px 24px;
            }
            .brand-info-card {
                grid-template-columns: 1fr;
                padding: 28px;
            }
            .cta-section-custom {
                grid-template-columns: 1fr;
            }
            .cta-image {
                min-height: 240px;
            }
            .cta-image .cta-img-text {
                min-height: 240px;
            }
            .page-header-custom h1 {
                font-size: 30px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-padding: 44px 0;
                --section-padding-mobile: 36px 0;
            }
            .navbar-links {
                display: none;
            }
            .navbar-actions {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            .section-title {
                font-size: 22px;
            }
            .page-header-custom {
                padding: 32px 0 20px;
            }
            .page-header-custom h1 {
                font-size: 26px;
            }
            .page-header-custom .page-subtitle {
                font-size: 15px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .trending-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-bar-custom {
                grid-template-columns: repeat(2, 1fr);
                padding: 24px 18px;
                gap: 12px;
            }
            .stat-item .stat-value {
                font-size: 30px;
            }
            .brand-info-card {
                padding: 22px;
                gap: 20px;
            }
            .cta-content {
                padding: 28px 22px;
            }
            .cta-content h2 {
                font-size: 22px;
            }
            .cta-image {
                min-height: 200px;
            }
            .cta-image .cta-img-text {
                min-height: 200px;
                padding: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .btn-custom {
                padding: 11px 20px;
                font-size: 14px;
            }
            .btn-lg-custom {
                padding: 13px 26px;
                font-size: 15px;
            }
            .category-card-body {
                padding: 16px 18px 20px;
            }
            .accordion-custom .accordion-header {
                padding: 14px 18px;
                font-size: 15px;
            }
            .accordion-custom .accordion-body {
                padding: 0 18px 16px;
                font-size: 14px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --section-padding: 32px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .navbar-brand-custom {
                font-size: 17px;
                gap: 7px;
            }
            .navbar-brand-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 8px;
            }
            .page-header-custom h1 {
                font-size: 22px;
            }
            .stats-bar-custom {
                grid-template-columns: 1fr 1fr;
                padding: 18px 14px;
                border-radius: var(--radius);
            }
            .stat-item .stat-value {
                font-size: 26px;
            }
            .stat-item .stat-label {
                font-size: 12px;
            }
            .cta-buttons {
                flex-direction: column;
            }
            .cta-buttons .btn-custom {
                width: 100%;
                justify-content: center;
            }
            .brand-info-card {
                padding: 18px;
            }
            .category-card-title {
                font-size: 16px;
            }
            .category-card-excerpt {
                font-size: 13px;
            }
            .footer-custom {
                padding: 40px 0 18px;
            }
            .footer-brand p {
                font-size: 13px;
            }
            .footer-col h4 {
                font-size: 14px;
            }
            .footer-col ul li a {
                font-size: 13px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1F6FC4;
            --primary-dark: #16599F;
            --primary-darker: #0F467D;
            --primary-light: #EAF3FB;
            --primary-lighter: #F5F9FE;
            --accent: #F2A33C;
            --accent-dark: #D88F2A;
            --accent-light: #FFF4E4;
            --bg: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-soft: #F1F5F9;
            --text: #1A2A3A;
            --text-secondary: #5B6B7B;
            --text-muted: #8A99A8;
            --text-light: #B6C2CF;
            --border: #E4EAF2;
            --border-light: #EDF2F7;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow: 0 6px 20px rgba(26, 42, 58, 0.08);
            --shadow-hover: 0 14px 36px rgba(26, 42, 58, 0.14);
            --shadow-sm: 0 2px 8px rgba(26, 42, 58, 0.06);
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --font-body: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --section-padding: 68px 0;
            --section-padding-mobile: 44px 0;
        }

        * {
            box-sizing: border-box;
        }

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

        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        section {
            position: relative;
        }

        .section-padding {
            padding: var(--section-padding);
        }
        .section-padding-sm {
            padding: 44px 0;
        }
        .section-padding-lg {
            padding: 80px 0;
        }

        .bg-white-section {
            background: var(--bg-white);
        }
        .bg-light-section {
            background: var(--bg);
        }
        .bg-primary-light-section {
            background: var(--primary-lighter);
        }
        .bg-soft-section {
            background: var(--bg-soft);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border: 1px solid rgba(31, 111, 196, 0.18);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-label i {
            font-size: 12px;
        }

        .section-title {
            font-size: 27px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text);
            letter-spacing: 0.3px;
            line-height: 1.4;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .section-header-center {
            text-align: center;
        }
        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* Buttons */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            border: 2px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
            font-family: var(--font-body);
            line-height: 1.5;
        }
        .btn-custom:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(31, 111, 196, 0.28);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
            background: var(--primary-darker);
            border-color: var(--primary-darker);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline-custom:active {
            transform: translateY(0);
            background: var(--primary-light);
        }
        .btn-accent-custom {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-accent-custom:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(242, 163, 60, 0.3);
        }
        .btn-sm-custom {
            padding: 9px 18px;
            font-size: 14px;
        }

        /* Navigation */
        .navbar-custom {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 3px rgba(26, 42, 58, 0.04);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 14px 0;
        }
        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-brand-custom:hover {
            color: var(--primary-dark);
        }
        .navbar-brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 18px;
            transition: var(--transition);
        }
        .navbar-brand-custom:hover .navbar-brand-icon {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }
        .navbar-custom nav {
            display: flex;
            align-items: center;
        }
        .navbar-links {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
        }
        .navbar-links li a {
            display: block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }
        .navbar-links li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-links li a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 18px;
            color: var(--text);
            cursor: pointer;
            transition: var(--transition);
        }
        .navbar-toggler-custom:hover {
            background: var(--bg-soft);
            color: var(--primary);
        }
        .mobile-menu {
            display: none;
            width: 100%;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            padding: 16px 0 20px;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu a {
            display: block;
            padding: 10px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--primary);
        }
        .mobile-menu .mobile-actions {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 14px;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 28px 0 0;
            background: var(--bg-white);
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li:not(:last-child)::after {
            content: "/";
            color: var(--text-light);
            font-size: 12px;
            margin-left: 4px;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom li.active {
            color: var(--primary);
            font-weight: 500;
        }

        /* Page Header */
        .page-header-custom {
            background: var(--bg-white);
            padding: 32px 0 40px;
            border-bottom: 1px solid var(--border-light);
        }
        .page-header-custom h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px;
            letter-spacing: 0.3px;
            line-height: 1.35;
        }
        .page-header-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .page-header-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            font-size: 14px;
            color: var(--text-muted);
        }
        .page-header-meta .badge-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-weight: 500;
            font-size: 13px;
        }

        /* News list */
        .news-list-section {
            padding: 48px 0 60px;
            background: var(--bg);
        }
        .news-list-grid {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-card-horizontal {
            display: flex;
            align-items: stretch;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            gap: 0;
        }
        .news-card-horizontal:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .news-card-image {
            flex: 0 0 260px;
            min-height: 180px;
            overflow: hidden;
            position: relative;
        }
        .news-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card-horizontal:hover .news-card-image img {
            transform: scale(1.04);
        }
        .news-card-image .news-date-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(26, 42, 58, 0.78);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            backdrop-filter: blur(4px);
        }
        .news-card-body {
            flex: 1;
            padding: 22px 26px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .news-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
            width: fit-content;
        }
        .news-card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.45;
            transition: var(--transition);
        }
        .news-card-horizontal:hover .news-card-title {
            color: var(--primary);
        }
        .news-card-excerpt {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .news-card-date {
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .btn-readmore {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
            padding: 4px 0;
            border-bottom: 2px solid transparent;
        }
        .btn-readmore:hover {
            color: var(--primary-dark);
            border-bottom-color: var(--primary-dark);
            gap: 10px;
        }

        /* Section divider */
        .divider-light {
            border-top: 1px solid var(--border-light);
            margin: 0;
        }

        /* Topic cards */
        .topic-section {
            padding: 56px 0;
            background: var(--bg-white);
        }
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 8px;
        }
        .topic-card-custom {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .topic-card-custom:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .topic-card-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius);
            font-size: 20px;
            margin-bottom: 14px;
        }
        .topic-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .topic-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Data summary */
        .data-summary-section {
            padding: 56px 0;
            background: var(--primary-lighter);
        }
        .data-summary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .data-summary-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .data-summary-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .data-number {
            font-size: 34px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .data-number .unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-muted);
        }
        .data-label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* CTA */
        .cta-section {
            padding: 60px 0;
            background: var(--bg);
        }
        .cta-card-custom {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
            box-shadow: var(--shadow);
        }
        .cta-text {
            flex: 1;
            min-width: 260px;
        }
        .cta-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .cta-text p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-section {
            padding: 56px 0;
            background: var(--bg-white);
        }
        .faq-accordion-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--bg-white);
        }
        .faq-accordion-custom .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            padding: 18px 22px;
            background: var(--bg-white);
            border: none;
            box-shadow: none !important;
            transition: var(--transition);
        }
        .faq-accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
        }
        .faq-accordion-custom .accordion-button:focus {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: var(--radius);
        }
        .faq-accordion-custom .accordion-body {
            font-size: 15px;
            color: var(--text-secondary);
            padding: 18px 22px;
            line-height: 1.8;
        }

        /* Footer */
        .footer-custom {
            background: #102A43;
            color: #B6C2CF;
            padding: 56px 0 0;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
        }
        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand .footer-logo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 300px;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: #B6C2CF;
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a i {
            font-size: 10px;
            color: var(--accent);
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom .copyright {
            color: #8A99A8;
            font-size: 13px;
        }
        .footer-links-static {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links-static a {
            color: #B6C2CF;
            font-size: 13px;
            transition: var(--transition);
        }
        .footer-links-static a:hover {
            color: #fff;
        }
        .footer-links-static .separator {
            color: #5B6B7B;
            font-size: 12px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-padding: 56px 0;
                --section-padding-mobile: 36px 0;
            }
            .navbar-custom .container {
                gap: 10px;
            }
            .navbar-links li a {
                padding: 6px 10px;
                font-size: 14px;
            }
            .navbar-brand-custom {
                font-size: 18px;
            }
            .page-header-custom h1 {
                font-size: 30px;
            }
            .footer-grid {
                grid-template-columns: 1.2fr 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-summary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .navbar-custom {
                padding: 10px 0;
            }
            .navbar-custom nav {
                display: none;
            }
            .navbar-toggler-custom {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .navbar-actions {
                display: none;
            }
            .mobile-menu {
                display: flex;
            }
            .mobile-menu.is-open {
                display: flex;
            }
            .page-header-custom {
                padding: 24px 0 32px;
            }
            .page-header-custom h1 {
                font-size: 26px;
            }
            .news-card-horizontal {
                flex-direction: column;
            }
            .news-card-image {
                flex: 0 0 auto;
                width: 100%;
                min-height: 180px;
                aspect-ratio: 16 / 9;
            }
            .news-card-body {
                padding: 18px 20px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .data-summary-grid {
                gap: 14px;
            }
            .data-number {
                font-size: 28px;
            }
            .cta-card-custom {
                padding: 30px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .section-title {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding-bottom: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .breadcrumb-section {
                padding: 18px 0 0;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-header-custom h1 {
                font-size: 23px;
            }
            .news-card-title {
                font-size: 17px;
            }
            .news-card-excerpt {
                font-size: 14px;
                -webkit-line-clamp: 2;
            }
            .data-summary-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .data-summary-card {
                padding: 18px 16px;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn-custom {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1F6FC4;
            --primary-dark: #16599F;
            --primary-darker: #0F467D;
            --primary-light: #EAF3FB;
            --primary-lighter: #F5F9FE;
            --accent: #F2A33C;
            --accent-dark: #D88F2A;
            --accent-light: #FFF4E4;
            --bg: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-soft: #F1F5F9;
            --text: #1A2A3A;
            --text-secondary: #5B6B7B;
            --text-muted: #8A99A8;
            --text-light: #B6C2CF;
            --border: #E4EAF2;
            --border-light: #EDF2F7;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow: 0 6px 20px rgba(26, 42, 58, 0.08);
            --shadow-hover: 0 14px 36px rgba(26, 42, 58, 0.14);
            --shadow-sm: 0 2px 8px rgba(26, 42, 58, 0.06);
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --font-body: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-padding-mobile: 48px 0;
        }

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

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

        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        section {
            position: relative;
        }

        .section-padding {
            padding: var(--section-padding);
        }
        .section-padding-sm {
            padding: 48px 0;
        }
        .section-padding-lg {
            padding: 88px 0;
        }

        .bg-white-section {
            background: var(--bg-white);
        }
        .bg-light-section {
            background: var(--bg);
        }
        .bg-primary-light-section {
            background: var(--primary-lighter);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border: 1px solid rgba(31, 111, 196, 0.18);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .section-label i {
            font-size: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .section-header-center {
            text-align: center;
        }
        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* Buttons */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            border: 2px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
            font-family: var(--font-body);
        }
        .btn-custom:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(31, 111, 196, 0.28);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
            background: var(--primary-darker);
            border-color: var(--primary-darker);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline-custom:active {
            transform: translateY(0);
            background: var(--primary-light);
        }
        .btn-accent-custom {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-accent-custom:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(242, 163, 60, 0.3);
        }
        .btn-sm-custom {
            font-size: 14px;
            padding: 9px 20px;
        }

        /* Navigation */
        .navbar-custom {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 16px rgba(26, 42, 58, 0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0;
            height: 72px;
            display: flex;
            align-items: center;
        }
        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
            flex-wrap: nowrap;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .navbar-brand-custom:hover {
            color: var(--primary);
        }
        .navbar-brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }
        .navbar-links li a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }
        .navbar-links li a:hover,
        .navbar-links li a.active {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-links li a.active {
            font-weight: 600;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: none;
            font-size: 22px;
            color: var(--text);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 16px 24px 24px;
            box-shadow: var(--shadow);
            z-index: 999;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu a {
            padding: 12px 16px;
            font-size: 15px;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--primary);
            background: var(--primary-light);
        }
        .mobile-actions {
            display: flex;
            gap: 10px;
            padding: 16px 0 4px;
            border-top: 1px solid var(--border-light);
            margin-top: 8px;
            flex-wrap: wrap;
        }
        .mobile-menu.show {
            display: flex;
        }

        /* Breadcrumb */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            padding: 20px 0 0;
            margin: 0;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li a {
            color: var(--primary);
        }
        .breadcrumb-custom li::after {
            content: "/";
            color: var(--text-light);
            margin-left: 4px;
        }
        .breadcrumb-custom li:last-child::after {
            display: none;
        }
        .breadcrumb-custom li:last-child {
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Hero - recruitment style adapted for equipment */
        .equipment-hero {
            background: linear-gradient(135deg, var(--primary-lighter) 0%, #fff 62%);
            padding: 56px 0 48px;
            border-bottom: 1px solid var(--border-light);
            overflow: hidden;
            position: relative;
        }
        .equipment-hero::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(31, 111, 196, 0.06);
            pointer-events: none;
        }
        .equipment-hero::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(242, 163, 60, 0.07);
            pointer-events: none;
        }
        .equipment-hero .container {
            position: relative;
            z-index: 1;
        }
        .equipment-hero-content {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .equipment-hero-text .section-label {
            margin-bottom: 20px;
        }
        .equipment-hero-text h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 18px;
            color: var(--text);
            letter-spacing: 0.4px;
        }
        .equipment-hero-text .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 28px;
            max-width: 540px;
        }
        .equipment-hero-text .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .equipment-hero-badges {
            display: flex;
            gap: 20px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .equipment-hero-badges .badge-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg-white);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .equipment-hero-badges .badge-item i {
            color: var(--accent);
        }
        .equipment-hero-panel {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .equipment-hero-panel .panel-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-light);
        }
        .equipment-hero-panel .panel-heading h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0;
            color: var(--text);
        }
        .equipment-hero-panel .panel-heading span {
            font-size: 13px;
            color: var(--text-muted);
        }
        .panel-equipment-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .panel-equipment-list .panel-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            background: var(--primary-lighter);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .panel-equipment-list .panel-item:hover {
            background: var(--primary-light);
            border-color: rgba(31, 111, 196, 0.25);
            transform: translateX(4px);
        }
        .panel-equipment-list .panel-item .item-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
        }
        .panel-equipment-list .panel-item .item-info {
            flex: 1;
            min-width: 0;
        }
        .panel-equipment-list .panel-item .item-info strong {
            display: block;
            font-size: 14px;
            color: var(--text);
            font-weight: 600;
        }
        .panel-equipment-list .panel-item .item-info span {
            font-size: 12px;
            color: var(--text-muted);
        }
        .panel-equipment-list .panel-item .item-link {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
        }

        /* Equipment cards */
        .equipment-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .equipment-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .equipment-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(31, 111, 196, 0.25);
            transform: translateY(-4px);
        }
        .equipment-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            overflow: hidden;
            position: relative;
        }
        .equipment-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .equipment-card:hover .equipment-card-img img {
            transform: scale(1.05);
        }
        .equipment-card-body {
            padding: 20px 20px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .equipment-card-body .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .equipment-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.5;
        }
        .equipment-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .equipment-card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .equipment-card-body .card-meta .read-more {
            color: var(--primary);
            font-weight: 500;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .equipment-card-body .card-meta .read-more:hover {
            color: var(--primary-dark);
        }

        /* Filter bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 32px;
        }
        .filter-bar .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-right: 4px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-white);
            border: 1px solid var(--border);
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .filter-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        /* Ranking side panel */
        .equipment-rank-panel {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .equipment-rank-panel h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            background: var(--bg);
            transition: var(--transition);
        }
        .rank-item:hover {
            background: var(--primary-light);
        }
        .rank-badge {
            width: 28px;
            height: 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .rank-badge.top {
            background: var(--accent);
        }
        .rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-item .rank-info strong {
            display: block;
            font-size: 14px;
            color: var(--text);
            font-weight: 600;
        }
        .rank-item .rank-info span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Stats section */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-item {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .stat-item .stat-num {
            font-size: 34px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
            letter-spacing: 0.5px;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-darker) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #fff;
            margin-top: 8px;
        }
        .cta-section h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 24px;
            max-width: 560px;
            line-height: 1.8;
        }
        .cta-section .btn-primary-custom {
            background: #fff;
            color: var(--primary-darker);
            border-color: #fff;
            font-weight: 700;
        }
        .cta-section .btn-primary-custom:hover {
            background: var(--accent-light);
            color: var(--primary-darker);
            border-color: var(--accent-light);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(31, 111, 196, 0.2);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            color: var(--text);
            background: var(--bg-white);
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            font-family: var(--font-body);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .fa-chevron-down {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* Footer */
        .footer-custom {
            background: #102A43;
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .footer-custom a {
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
        }
        .footer-custom a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-logo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 16px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-col ul li a:hover {
            color: #fff;
            transform: translateX(3px);
        }
        .footer-col ul li a i {
            font-size: 10px;
            color: var(--text-light);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-links-static {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links-static a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-links-static a:hover {
            color: #fff;
        }
        .footer-links-static .separator {
            color: rgba(255, 255, 255, 0.4);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .equipment-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .equipment-hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .equipment-hero-text h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 991px) {
            .navbar-links {
                display: none;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 22px;
            }
            .equipment-hero-text h1 {
                font-size: 26px;
            }
            .equipment-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stats-row .stat-item .stat-num {
                font-size: 26px;
            }
            .cta-section {
                padding: 32px 24px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .navbar-custom {
                height: 64px;
            }
            .mobile-menu {
                top: 64px;
            }
            .equipment-hero {
                padding: 32px 0 32px;
            }
        }

        @media (max-width: 520px) {
            .navbar-actions {
                display: none;
            }
            .mobile-actions {
                display: flex;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .equipment-hero-content {
                gap: 20px;
            }
            .equipment-hero-badges {
                gap: 8px;
            }
            .equipment-hero-badges .badge-item {
                font-size: 12px;
                padding: 6px 12px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-chip {
                font-size: 12px;
                padding: 6px 12px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1F6FC4;
            --primary-dark: #16599F;
            --primary-darker: #0F467D;
            --primary-light: #EAF3FB;
            --primary-lighter: #F5F9FE;
            --accent: #F2A33C;
            --accent-dark: #D88F2A;
            --accent-light: #FFF4E4;
            --gold: #D4AF37;
            --gold-light: #F0D98C;
            --gold-dark: #B8942A;
            --bg: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-soft: #F1F5F9;
            --bg-dark: #0D1F2D;
            --bg-dark-gold: #1A2A1A;
            --text: #1A2A3A;
            --text-secondary: #5B6B7B;
            --text-muted: #8A99A8;
            --text-light: #B6C2CF;
            --border: #E4EAF2;
            --border-light: #EDF2F7;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow: 0 6px 20px rgba(26, 42, 58, 0.08);
            --shadow-hover: 0 14px 36px rgba(26, 42, 58, 0.14);
            --shadow-sm: 0 2px 8px rgba(26, 42, 58, 0.06);
            --shadow-gold: 0 6px 24px rgba(212, 175, 55, 0.35);
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --font-body: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-padding-mobile: 48px 0;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            color: var(--text);
            background: var(--bg);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }
        section {
            position: relative;
        }
        .section-padding {
            padding: var(--section-padding);
        }
        .section-padding-sm {
            padding: 48px 0;
        }
        .section-padding-lg {
            padding: 88px 0;
        }
        .bg-white-section {
            background: var(--bg-white);
        }
        .bg-light-section {
            background: var(--bg);
        }
        .bg-primary-light-section {
            background: var(--primary-lighter);
        }
        .bg-dark-section {
            background: var(--bg-dark);
            color: #fff;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border: 1px solid rgba(31, 111, 196, 0.18);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-label i {
            font-size: 12px;
        }
        .section-label-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold);
            background: rgba(212, 175, 55, 0.12);
            border: 1px solid rgba(212, 175, 55, 0.35);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-label-gold i {
            font-size: 12px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: 0.3px;
        }
        .section-title.text-white {
            color: #fff;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .section-subtitle.text-white-70 {
            color: rgba(255, 255, 255, 0.75);
        }
        .section-header-center {
            text-align: center;
        }
        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        /* Buttons */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            border: 2px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
            font-family: var(--font-body);
            line-height: 1.4;
        }
        .btn-custom:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(31, 111, 196, 0.28);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
            background: var(--primary-darker);
            border-color: var(--primary-darker);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline-custom:active {
            transform: translateY(0);
            background: var(--primary-light);
        }
        .btn-accent-custom {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-accent-custom:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(242, 163, 60, 0.35);
        }
        .btn-accent-custom:active {
            transform: translateY(0);
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            box-shadow: var(--shadow-sm);
        }
        .btn-gold-custom {
            background: linear-gradient(135deg, #E8C874 0%, #D4AF37 45%, #B8942A 100%);
            color: #1A1A1A;
            border: 2px solid var(--gold);
            font-weight: 700;
            text-shadow: 0 1px 0 rgba(255, 255, 255, 0.3);
        }
        .btn-gold-custom:hover {
            background: linear-gradient(135deg, #F0D98C 0%, #D4AF37 55%, #C8A328 100%);
            color: #0D1F2D;
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
            border-color: var(--gold-light);
        }
        .btn-gold-custom:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
        }
        .btn-outline-gold-custom {
            background: transparent;
            color: var(--gold);
            border-color: var(--gold);
        }
        .btn-outline-gold-custom:hover {
            background: rgba(212, 175, 55, 0.12);
            color: var(--gold-light);
            border-color: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(212, 175, 55, 0.2);
        }
        .btn-sm-custom {
            padding: 9px 18px;
            font-size: 13px;
            border-radius: var(--radius-pill);
        }
        .btn-lg-custom {
            padding: 16px 36px;
            font-size: 16px;
            border-radius: var(--radius-pill);
        }
        /* Navigation - dark gold club style */
        .navbar-custom {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-dark);
            border-bottom: 1px solid rgba(212, 175, 55, 0.25);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.18);
            transition: var(--transition);
        }
        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            flex-wrap: nowrap;
            gap: 16px;
        }
        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            font-family: var(--font-heading);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .navbar-brand-custom:hover {
            color: var(--gold-light);
        }
        .navbar-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #E8C874 0%, #D4AF37 50%, #B8942A 100%);
            border-radius: 10px;
            color: #0D1F2D;
            font-size: 18px;
            box-shadow: 0 2px 10px rgba(212, 175, 55, 0.4);
            flex-shrink: 0;
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }
        .navbar-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.78);
            border-radius: var(--radius-pill);
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .navbar-links li a:hover {
            color: var(--gold-light);
            background: rgba(212, 175, 55, 0.08);
        }
        .navbar-links li a.active {
            color: var(--gold-light);
            background: rgba(212, 175, 55, 0.15);
            font-weight: 600;
        }
        .navbar-links li a:focus-visible {
            outline: 3px solid var(--gold);
            outline-offset: 2px;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .navbar-actions .btn-custom {
            padding: 9px 20px;
            font-size: 13px;
            white-space: nowrap;
        }
        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: 1px solid rgba(212, 175, 55, 0.4);
            color: var(--gold-light);
            font-size: 20px;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .navbar-toggler-custom:hover {
            background: rgba(212, 175, 55, 0.12);
            border-color: var(--gold);
        }
        .mobile-menu {
            display: none;
            background: var(--bg-dark);
            border-top: 1px solid rgba(212, 175, 55, 0.2);
            padding: 12px 24px 20px;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu a {
            display: block;
            padding: 10px 16px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-menu a:hover {
            color: var(--gold-light);
            background: rgba(212, 175, 55, 0.08);
        }
        .mobile-menu a.active {
            color: var(--gold-light);
            background: rgba(212, 175, 55, 0.15);
            font-weight: 600;
        }
        .mobile-actions {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding-top: 12px;
            border-top: 1px solid rgba(212, 175, 55, 0.15);
            margin-top: 8px;
        }
        .mobile-actions .btn-custom {
            width: 100%;
            justify-content: center;
        }
        /* Breadcrumb */
        .breadcrumb-custom {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }
        .breadcrumb-custom .breadcrumb {
            margin: 0;
            padding: 0;
            background: transparent;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb-custom .breadcrumb-item a {
            color: var(--text-secondary);
            font-weight: 500;
        }
        .breadcrumb-custom .breadcrumb-item a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom .breadcrumb-item.active {
            color: var(--text);
            font-weight: 600;
        }
        .breadcrumb-custom .breadcrumb-item + .breadcrumb-item::before {
            content: "\f105";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--text-muted);
            padding: 0 6px;
            font-size: 12px;
        }
        /* Hero - Member Club Black Gold */
        .hero-club {
            background: linear-gradient(160deg, #0D1F2D 0%, #132A3D 30%, #1A3A2A 55%, #0F2A1F 75%, #0D1F2D 100%);
            color: #fff;
            padding: 72px 0 64px;
            position: relative;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-club::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-club::after {
            content: "";
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(31, 111, 196, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-club .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-club-content {
            max-width: 560px;
        }
        .hero-club-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold-light);
            background: rgba(212, 175, 55, 0.12);
            border: 1px solid rgba(212, 175, 55, 0.4);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }
        .hero-club-label i {
            font-size: 12px;
        }
        .hero-club-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 18px;
            color: #fff;
            letter-spacing: 0.3px;
        }
        .hero-club-title .gold-highlight {
            background: linear-gradient(135deg, #F0D98C 0%, #D4AF37 40%, #F0D98C 70%, #D4AF37 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-club-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-club-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .hero-badge-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-badge-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 2px solid;
            transition: var(--transition);
            cursor: default;
            white-space: nowrap;
        }
        .hero-badge-bronze {
            background: rgba(205, 127, 50, 0.15);
            border-color: #CD7F32;
            color: #E8B06A;
        }
        .hero-badge-silver {
            background: rgba(192, 192, 192, 0.1);
            border-color: #C0C0C0;
            color: #E0E0E0;
        }
        .hero-badge-gold {
            background: rgba(212, 175, 55, 0.15);
            border-color: var(--gold);
            color: var(--gold-light);
            box-shadow: 0 0 16px rgba(212, 175, 55, 0.25);
        }
        .hero-badge-diamond {
            background: rgba(0, 255, 255, 0.08);
            border-color: #00E5FF;
            color: #7DF9FF;
        }
        .hero-club-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .club-card-preview {
            background: linear-gradient(145deg, #1A2A3A 0%, #0F1F2E 60%, #132A3D 100%);
            border: 2px solid rgba(212, 175, 55, 0.4);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            max-width: 400px;
            width: 100%;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35), 0 0 40px rgba(212, 175, 55, 0.12);
            position: relative;
            overflow: hidden;
        }
        .club-card-preview::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 160px;
            height: 160px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .club-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        .club-card-level {
            font-size: 14px;
            font-weight: 700;
            color: var(--gold-light);
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .club-card-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, #E8C874 0%, #D4AF37 50%, #B8942A 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0D1F2D;
            font-size: 22px;
            box-shadow: 0 4px 14px rgba(212, 175, 55, 0.45);
        }
        .club-card-name {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .club-card-points {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 18px;
        }
        .club-card-benefits {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 20px;
        }
        .club-card-benefit {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }
        .club-card-benefit i {
            color: var(--gold);
            font-size: 14px;
            flex-shrink: 0;
        }
        .club-card-cta {
            width: 100%;
            justify-content: center;
        }
        /* Topic Cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }
        .topic-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(31, 111, 196, 0.35);
            transform: translateY(-3px);
        }
        .topic-card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-soft);
        }
        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .topic-card:hover .topic-card-img img {
            transform: scale(1.06);
        }
        .topic-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            background: rgba(13, 31, 45, 0.85);
            color: var(--gold-light);
            border: 1px solid rgba(212, 175, 55, 0.5);
            letter-spacing: 0.5px;
        }
        .topic-card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .topic-card-meta i {
            color: var(--primary);
            font-size: 12px;
        }
        .topic-card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
            line-height: 1.5;
            transition: var(--transition);
        }
        .topic-card:hover .topic-card-title {
            color: var(--primary);
        }
        .topic-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .topic-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }
        .topic-card-stats {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .topic-card-stats span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .topic-card-stats i {
            font-size: 12px;
        }
        .topic-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .topic-card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        /* Tier Table */
        .tier-table-wrapper {
            overflow-x: auto;
            margin-top: 16px;
        }
        .tier-table {
            width: 100%;
            min-width: 640px;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .tier-table thead {
            background: var(--bg-dark);
            color: #fff;
        }
        .tier-table thead th {
            padding: 16px 20px;
            font-size: 14px;
            font-weight: 700;
            text-align: left;
            letter-spacing: 0.5px;
            border-bottom: 2px solid var(--gold);
        }
        .tier-table tbody td {
            padding: 14px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-light);
            vertical-align: middle;
        }
        .tier-table tbody tr:last-child td {
            border-bottom: none;
        }
        .tier-table tbody tr:hover {
            background: var(--primary-lighter);
        }
        .tier-badge-table {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 14px;
            color: var(--text);
        }
        .tier-badge-table .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .dot-bronze {
            background: #CD7F32;
        }
        .dot-silver {
            background: #C0C0C0;
        }
        .dot-gold {
            background: #D4AF37;
        }
        .dot-diamond {
            background: #00E5FF;
        }
        /* Stats Strip */
        .stats-strip-club {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-club-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .stat-club-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(212, 175, 55, 0.4);
        }
        .stat-club-number {
            font-size: 38px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .stat-club-number.gold-number {
            background: linear-gradient(135deg, #E8C874 0%, #D4AF37 50%, #B8942A 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-club-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        /* User Showcase */
        .user-showcase-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
        }
        .user-showcase-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .user-showcase-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(212, 175, 55, 0.4);
        }
        .user-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 28px;
            color: #fff;
            box-shadow: 0 4px 16px rgba(31, 111, 196, 0.3);
            overflow: hidden;
        }
        .user-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }
        .user-avatar.gold-avatar {
            background: linear-gradient(135deg, #E8C874 0%, #D4AF37 50%, #B8942A 100%);
            box-shadow: 0 4px 16px rgba(212, 175, 55, 0.4);
        }
        .user-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .user-level-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .user-level-bronze {
            background: #FDF0E0;
            color: #CD7F32;
        }
        .user-level-silver {
            background: #F0F0F0;
            color: #666;
        }
        .user-level-gold {
            background: var(--accent-light);
            color: var(--gold-dark);
            border: 1px solid rgba(212, 175, 55, 0.4);
        }
        .user-level-diamond {
            background: #E0F7FA;
            color: #00838F;
        }
        .user-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        /* Community Rules */
        .rules-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 16px;
        }
        .rule-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            transition: var(--transition);
        }
        .rule-item:hover {
            border-color: rgba(212, 175, 55, 0.4);
            box-shadow: var(--shadow-sm);
        }
        .rule-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .rule-content h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .rule-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        /* FAQ */
        .faq-club .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            transition: var(--transition);
        }
        .faq-club .accordion-item:hover {
            border-color: rgba(212, 175, 55, 0.4);
            box-shadow: var(--shadow-sm);
        }
        .faq-club .accordion-button {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            padding: 18px 24px;
            background: var(--bg-white);
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }
        .faq-club .accordion-button:not(.collapsed) {
            background: var(--primary-lighter);
            color: var(--primary);
            box-shadow: none;
        }
        .faq-club .accordion-button:focus {
            outline: 3px solid var(--accent);
            outline-offset: -2px;
            box-shadow: none;
            border: none;
        }
        .faq-club .accordion-button::after {
            background-size: 14px;
            transition: var(--transition);
        }
        .faq-club .accordion-body {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 6px 24px 20px;
        }
        /* CTA Section */
        .cta-club {
            background: linear-gradient(145deg, #0D1F2D 0%, #132A3D 30%, #1A3A2A 55%, #0F2A1F 80%, #0D1F2D 100%);
            color: #fff;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-club::before {
            content: "";
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-club .container {
            position: relative;
            z-index: 2;
        }
        .cta-club-title {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .cta-club-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .cta-club-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        /* Footer */
        .footer-custom {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(212, 175, 55, 0.25);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.3px;
        }
        .footer-brand .footer-logo i {
            color: var(--gold);
            font-size: 20px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a i {
            font-size: 10px;
            color: var(--gold);
        }
        .footer-col ul li a:hover {
            color: var(--gold-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 20px;
            border-top: 1px solid rgba(212, 175, 55, 0.2);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom .copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-links-static {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
        }
        .footer-links-static a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .footer-links-static a:hover {
            color: var(--gold-light);
        }
        .footer-links-static .separator {
            color: rgba(255, 255, 255, 0.3);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-club .container {
                grid-template-columns: 1fr;
                gap: 36px;
                text-align: center;
            }
            .hero-club-content {
                max-width: 100%;
            }
            .hero-club-desc {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-club-actions {
                justify-content: center;
            }
            .hero-badge-row {
                justify-content: center;
            }
            .hero-club-visual {
                justify-content: center;
            }
            .club-card-preview {
                max-width: 380px;
            }
            .stats-strip-club {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .navbar-custom .container {
                height: 60px;
                gap: 8px;
            }
            .navbar-links {
                display: none;
            }
            .navbar-actions {
                display: none;
            }
            .navbar-toggler-custom {
                display: inline-flex;
            }
            .mobile-menu {
                display: flex;
            }
            .mobile-menu.show {
                display: flex;
            }
            .hero-club {
                padding: 48px 0 40px;
                min-height: auto;
            }
            .hero-club-title {
                font-size: 28px;
            }
            .hero-club-desc {
                font-size: 15px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip-club {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-club-number {
                font-size: 28px;
            }
            .tier-table thead th,
            .tier-table tbody td {
                padding: 10px 14px;
                font-size: 13px;
            }
            .user-showcase-grid {
                grid-template-columns: 1fr 1fr;
            }
            .rules-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .section-padding {
                padding: var(--section-padding-mobile);
            }
            .section-title {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-club-title {
                font-size: 24px;
            }
            .hero-club-actions {
                flex-direction: column;
                gap: 10px;
                align-items: stretch;
            }
            .hero-badge-row {
                gap: 8px;
                justify-content: center;
            }
            .hero-badge-item {
                font-size: 12px;
                padding: 6px 12px;
            }
            .stats-strip-club {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stat-club-item {
                padding: 20px 16px;
            }
            .user-showcase-grid {
                grid-template-columns: 1fr;
            }
            .topic-card-body {
                padding: 16px 18px 20px;
            }
            .topic-card-title {
                font-size: 16px;
            }
            .cta-club-title {
                font-size: 24px;
            }
            .cta-club-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-custom {
                justify-content: center;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #1F6FC4;
            --primary-dark: #16599F;
            --primary-darker: #0F467D;
            --primary-light: #EAF3FB;
            --primary-lighter: #F5F9FE;
            --accent: #F2A33C;
            --accent-dark: #D88F2A;
            --accent-light: #FFF4E4;
            --bg: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-soft: #F1F5F9;
            --text: #1A2A3A;
            --text-secondary: #5B6B7B;
            --text-muted: #8A99A8;
            --text-light: #B6C2CF;
            --border: #E4EAF2;
            --border-light: #EDF2F7;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow: 0 6px 20px rgba(26, 42, 58, 0.08);
            --shadow-hover: 0 14px 36px rgba(26, 42, 58, 0.14);
            --shadow-sm: 0 2px 8px rgba(26, 42, 58, 0.06);
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --font-body: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-padding-mobile: 48px 0;
        }

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

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        section {
            position: relative;
        }

        .section-padding {
            padding: var(--section-padding);
        }

        .section-padding-sm {
            padding: 48px 0;
        }

        .section-padding-lg {
            padding: 88px 0;
        }

        .bg-white-section {
            background: var(--bg-white);
        }

        .bg-light-section {
            background: var(--bg);
        }

        .bg-primary-light-section {
            background: var(--primary-lighter);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border: 1px solid rgba(31, 111, 196, 0.18);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-label i {
            font-size: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: 0.3px;
            line-height: 1.4;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .section-header-center {
            text-align: center;
        }

        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* Buttons */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            border: 2px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
            font-family: var(--font-body);
        }

        .btn-custom:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }

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

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(31, 111, 196, 0.28);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
            background: var(--primary-darker);
            border-color: var(--primary-darker);
        }

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

        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline-custom:active {
            transform: translateY(0);
            background: var(--primary-light);
        }

        .btn-accent-custom {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-accent-custom:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(242, 163, 60, 0.28);
        }

        .btn-accent-custom:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-sm-custom {
            padding: 9px 20px;
            font-size: 14px;
        }

        /* Header / Nav */
        .navbar-custom {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 8px rgba(26, 42, 58, 0.04);
            padding: 16px 0;
        }

        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .navbar-brand-custom:hover {
            color: var(--primary);
        }

        .navbar-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 18px;
        }

        .navbar-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .navbar-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 0;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

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

        .navbar-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .navbar-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
            border-radius: var(--radius-pill);
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 20px;
            color: var(--text);
            transition: var(--transition);
        }

        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        .mobile-menu {
            display: none;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: var(--primary-light);
            color: var(--primary);
        }

        .mobile-actions {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 16px 0 8px;
            border-top: 1px solid var(--border);
            margin-top: 8px;
        }

        /* Hero */
        .hero-custom {
            background: var(--bg-white);
            padding: 72px 0 64px;
            position: relative;
            overflow: hidden;
        }

        .hero-custom::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(31, 111, 196, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-custom::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(242, 163, 60, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-content h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 18px;
            line-height: 1.35;
            letter-spacing: 0.5px;
        }

        .hero-content h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-content h1 .accent-text {
            color: var(--accent-dark);
        }

        .hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-group-info {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: var(--accent-light);
            border: 1px solid rgba(242, 163, 60, 0.25);
            border-radius: var(--radius);
            padding: 14px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }

        .hero-group-info .group-count {
            color: var(--accent-dark);
            font-weight: 700;
            font-size: 18px;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            min-height: 320px;
            background: var(--primary-lighter);
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(31, 111, 196, 0.18) 0%, rgba(15, 70, 125, 0.35) 100%);
            border-radius: var(--radius-lg);
            pointer-events: none;
        }

        .hero-visual .hero-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            z-index: 5;
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 12px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            box-shadow: var(--shadow);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        /* Breadcrumb */
        .breadcrumb-custom {
            background: var(--bg-white);
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .breadcrumb-custom .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .breadcrumb-custom .breadcrumb-nav li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-custom .breadcrumb-nav li a {
            color: var(--text-secondary);
            font-weight: 500;
        }

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

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

        .breadcrumb-custom .separator {
            color: var(--text-light);
            font-size: 12px;
        }

        /* Page Header */
        .page-header-custom {
            background: var(--bg-white);
            padding: 40px 0 32px;
        }

        .page-header-custom h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }

        .page-header-custom .page-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* Ranking Cards */
        .ranking-card-custom {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            margin-bottom: 16px;
        }

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

        .ranking-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .ranking-number.top1 {
            background: var(--accent-light);
            color: var(--accent-dark);
        }

        .ranking-number.top2 {
            background: #F1F5F9;
            color: #64748B;
        }

        .ranking-number.top3 {
            background: #FDF2E0;
            color: #C77A1E;
        }

        .ranking-number.normal {
            background: var(--bg-soft);
            color: var(--text-secondary);
        }

        .ranking-card-body {
            flex: 1;
            min-width: 0;
        }

        .ranking-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .ranking-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .ranking-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .ranking-card-tag {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: var(--primary-light);
            color: var(--primary);
            flex-shrink: 0;
        }

        .ranking-card-tag.hot {
            background: #FFF0E5;
            color: #E86A17;
        }

        /* Data Stats */
        .stat-card-custom {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }

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

        .stat-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 14px;
        }

        .stat-icon.blue {
            background: var(--primary-light);
            color: var(--primary);
        }

        .stat-icon.orange {
            background: var(--accent-light);
            color: var(--accent-dark);
        }

        .stat-icon.green {
            background: #EAF7EB;
            color: #3D9C5A;
        }

        .stat-icon.purple {
            background: #F0EBFA;
            color: #6B4EAF;
        }

        .stat-number {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Hot Topic Card */
        .topic-card-custom {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .topic-card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--bg-soft);
        }

        .topic-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .topic-card-custom:hover .topic-card-image img {
            transform: scale(1.05);
        }

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

        .topic-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .topic-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .topic-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        .topic-card-link {
            font-weight: 600;
            font-size: 14px;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        /* FAQ */
        .faq-section-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--bg-white);
        }

        .faq-section-custom .accordion-button {
            background: var(--bg-white);
            border: none;
            border-radius: var(--radius) !important;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            font-family: var(--font-body);
            box-shadow: none;
        }

        .faq-section-custom .accordion-button:not(.collapsed) {
            background: var(--primary-lighter);
            color: var(--primary);
            box-shadow: none;
            border-bottom: 1px solid var(--border-light);
            border-radius: var(--radius) var(--radius) 0 0 !important;
        }

        .faq-section-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(242, 163, 60, 0.4);
            border-color: var(--accent);
        }

        .faq-section-custom .accordion-button::after {
            filter: none;
            background-size: 16px;
        }

        .faq-section-custom .accordion-body {
            padding: 20px 24px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            background: var(--bg-white);
            border-radius: 0 0 var(--radius) var(--radius);
        }

        /* CTA Section */
        .cta-section-custom {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-darker) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section-custom::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section-custom::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 280px;
            height: 280px;
            background: rgba(242, 163, 60, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .cta-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
            max-width: 520px;
            line-height: 1.7;
        }

        .cta-btn-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

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

        .btn-white-custom:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255, 255, 255, 0.25);
        }

        .btn-transparent-custom {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn-transparent-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* Footer */
        .footer-custom {
            background: #102A43;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            margin-top: 16px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-logo i {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.4px;
        }

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

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

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-col ul li a i {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-links-static {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
        }

        .footer-links-static a {
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
        }

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

        .footer-links-static .separator {
            color: rgba(255, 255, 255, 0.3);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                min-height: 280px;
                max-height: 360px;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .navbar-links {
                display: none;
            }
            .navbar-actions {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .mobile-menu.show {
                display: flex;
            }
            .hero-custom {
                padding: 48px 0 40px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .section-title {
                font-size: 24px;
            }
            .cta-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-btn-group {
                width: 100%;
            }
            .cta-btn-group .btn-custom {
                flex: 1;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .page-header-custom h1 {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-content h1 {
                font-size: 24px;
            }
            .hero-group-info {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .ranking-card-custom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 16px 18px;
            }
            .ranking-number {
                width: 40px;
                height: 40px;
                font-size: 17px;
            }
            .cta-section-custom {
                padding: 36px 24px;
            }
            .cta-text h2 {
                font-size: 22px;
            }
            .btn-custom {
                padding: 11px 22px;
                font-size: 14px;
            }
            .footer-custom {
                padding: 40px 0 20px;
            }
            .stat-number {
                font-size: 26px;
            }
        }

/* 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}