/* roulang page: index */
:root {
            --primary: #274C77;
            --primary-deep: #1F4E79;
            --primary-light: #3A6A9E;
            --primary-bg: #F4F7FA;
            --primary-bg-deep: #E8EDF3;
            --accent: #C9A227;
            --accent-deep: #B08A15;
            --accent-light: #F5EBD0;
            --text-main: #1C2B3A;
            --text-secondary: #5A6C7E;
            --text-light: #7D8FA3;
            --border-color: #DCE4EE;
            --border-light: #E6EBF2;
            --border-focus: #A8C4E0;
            --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --card-shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.08);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
            --font-family-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

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

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

        body {
            font-family: var(--font-family-base);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: #FFFFFF;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        /* ========== Container ========== */
        .site-container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 22px;
            padding-right: 22px;
        }

        /* ========== Section Base ========== */
        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }

        .section-padding-lg {
            padding-top: var(--spacing-xxl);
            padding-bottom: var(--spacing-xxl);
        }

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

        .section-bg-white {
            background-color: #FFFFFF;
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(31, 78, 121, 0.08);
            border: 1px solid rgba(31, 78, 121, 0.15);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        /* ========== Header / Navbar ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            z-index: 1050;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
        }

        .site-header .navbar {
            height: var(--nav-height);
            padding: 0;
            background-color: transparent;
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 18px;
            flex-shrink: 0;
        }

        .site-header .navbar-nav {
            gap: 4px;
        }

        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 14px !important;
            border-radius: 6px;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .site-header .nav-link::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -2px;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
            transition: width var(--transition-base);
        }

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

        .site-header .nav-link:hover::after,
        .site-header .nav-link.active::after {
            width: 60%;
        }

        .site-header .nav-link.active {
            font-weight: 600;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn {
            font-family: var(--font-family-base);
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-md);
            padding: 10px 20px;
            line-height: 1.5;
            transition: all var(--transition-base);
            border: none;
            letter-spacing: 0.3px;
        }

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

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

        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--primary-deep);
            border-color: var(--primary-deep);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(31, 78, 121, 0.25);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

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

        .btn-accent:hover,
        .btn-accent:focus {
            background-color: var(--accent-deep);
            border-color: var(--accent-deep);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(201, 162, 39, 0.3);
        }

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

        .btn-outline-primary:hover,
        .btn-outline-primary:focus {
            background-color: var(--primary-bg);
            border-color: var(--primary-deep);
            color: var(--primary-deep);
            transform: translateY(-1px);
        }

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

        .btn-light-outline:hover,
        .btn-light-outline:focus {
            background-color: var(--primary-bg);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-lg {
            padding: 12px 28px;
            font-size: 16px;
            border-radius: var(--radius-md);
            min-height: 48px;
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .navbar-toggler {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 8px 10px;
            background-color: #FFFFFF;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 0.2rem rgba(31, 78, 121, 0.15);
            border-color: var(--primary);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23274C77' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== Hero Section ========== */
        .hero-section {
            min-height: 82vh;
            padding-top: calc(var(--nav-height) + 40px);
            padding-bottom: var(--spacing-xl);
            background-color: #FFFFFF;
            position: relative;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: linear-gradient(135deg, rgba(244, 247, 250, 0.9) 0%, rgba(232, 237, 243, 0.7) 100%);
            clip-path: polygon(18% 0%, 100% 0%, 100% 100%, 0% 100%);
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-text-area {
            padding-right: 20px;
        }

        .hero-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-deep);
            background-color: var(--accent-light);
            border: 1px solid rgba(201, 162, 39, 0.3);
            border-radius: 20px;
            padding: 5px 16px;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .hero-title {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-title .highlight {
            color: var(--primary-deep);
            position: relative;
        }

        .hero-description {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

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

        .hero-stat-label {
            font-size: 13px;
            color: var(--text-light);
            font-weight: 500;
        }

        .hero-demo-area {
            position: relative;
            z-index: 2;
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: 0 4px 16px rgba(31, 78, 121, 0.06);
        }

        .hero-demo-card {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-demo-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            background-color: var(--primary-bg);
            font-size: 14px;
            color: var(--text-secondary);
        }

        .hero-demo-row .badge-live {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 11px;
            font-weight: 700;
            color: #FFFFFF;
            background-color: #D94B4B;
            border-radius: 4px;
            padding: 3px 8px;
            letter-spacing: 0.5px;
        }

        .hero-demo-row .badge-live::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: #FFFFFF;
            animation: pulse-dot 1.2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.4);
            }
        }

        .hero-demo-row .score {
            font-weight: 700;
            color: var(--text-main);
            font-size: 16px;
        }

        /* ========== Section: Group Play ========== */
        .group-play-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 28px;
            align-items: stretch;
        }

        .group-play-main-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
        }

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

        .group-play-main-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background-color: rgba(31, 78, 121, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-deep);
            font-size: 24px;
            margin-bottom: 16px;
        }

        .group-play-main-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .group-play-main-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .group-play-side-cards {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .group-play-side-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            display: flex;
            align-items: flex-start;
            gap: 16px;
            flex: 1;
        }

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

        .group-play-side-card .side-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background-color: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }

        .group-play-side-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .group-play-side-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== Section: Hot Matches ========== */
        .hot-match-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 28px;
            align-items: stretch;
        }

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

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

        .hot-match-large .match-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: var(--primary-bg);
        }

        .hot-match-large .match-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .hot-match-large:hover .match-img-wrap img {
            transform: scale(1.04);
        }

        .hot-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 11px;
            font-weight: 700;
            color: #FFFFFF;
            background-color: #D94B4B;
            border-radius: 4px;
            padding: 4px 10px;
            letter-spacing: 0.5px;
        }

        .hot-match-large .match-content {
            padding: 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .hot-match-large .match-content h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .hot-match-large .match-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }

        .hot-match-small-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hot-match-small-item {
            display: flex;
            gap: 14px;
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            align-items: center;
        }

        .hot-match-small-item:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-1px);
            border-color: var(--border-focus);
        }

        .hot-match-small-item .small-img {
            width: 72px;
            height: 52px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background-color: var(--primary-bg);
        }

        .hot-match-small-item .small-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hot-match-small-item .small-info {
            flex: 1;
            min-width: 0;
        }

        .hot-match-small-item .small-info h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 3px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-match-small-item .small-info p {
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ========== Section: Features Asymmetric ========== */
        .features-asymmetric {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .features-top-row {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 24px;
        }

        .feature-card-wide {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

        .feature-card-wide .feature-img-wrap {
            aspect-ratio: 16 / 8;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background-color: var(--primary-bg);
            margin-bottom: 4px;
        }

        .feature-card-wide .feature-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-card-wide h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
        }

        .feature-card-wide p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .feature-card-compact {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
            height: 100%;
        }

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

        .feature-card-compact .compact-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background-color: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
        }

        .feature-card-compact h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
        }

        .feature-card-compact p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .feature-card-compact .feature-img-wrap {
            aspect-ratio: 16 / 9;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background-color: var(--primary-bg);
            margin-top: 6px;
        }

        .feature-card-compact .feature-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .features-bottom-row {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .feature-list-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
        }

        .feature-list-item:hover {
            box-shadow: var(--card-shadow-hover);
            border-color: var(--border-focus);
            transform: translateY(-1px);
        }

        .feature-list-index {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-deep);
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }

        .feature-list-divider {
            width: 1px;
            height: 28px;
            background-color: var(--border-light);
            flex-shrink: 0;
        }

        .feature-list-content {
            flex: 1;
        }

        .feature-list-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 2px;
        }

        .feature-list-content p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ========== Section: Stats ========== */
        .stats-strip {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 28px 32px;
            background-color: var(--primary-bg-deep);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }

        .stats-strip-item {
            text-align: center;
            flex: 1;
            min-width: 120px;
        }

        .stats-strip-number {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary-deep);
            line-height: 1.3;
        }

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

        .stats-strip-divider {
            width: 1px;
            height: 40px;
            background-color: var(--border-color);
        }

        /* ========== Section: Testimonials ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }

        .testimonial-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            position: relative;
        }

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

        .testimonial-card::before {
            content: '';
            position: absolute;
            top: 18px;
            left: 0;
            width: 3px;
            height: 50px;
            background-color: var(--accent);
            border-radius: 0 3px 3px 0;
        }

        .testimonial-card .quote-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
            padding-left: 12px;
        }

        .testimonial-card .quote-author {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-left: 12px;
        }

        .testimonial-card .author-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--primary-bg-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
        }

        .testimonial-card .author-role {
            font-size: 12px;
            color: var(--text-light);
        }

        .testimonial-card .quote-data {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-deep);
            background-color: var(--accent-light);
            border-radius: 4px;
            padding: 2px 8px;
            margin-left: 12px;
            margin-bottom: 8px;
        }

        /* ========== Section: Pricing ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            align-items: stretch;
        }

        .pricing-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(31, 78, 121, 0.1);
            position: relative;
        }

        .pricing-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 14px;
            right: 14px;
            font-size: 11px;
            font-weight: 700;
            color: #FFFFFF;
            background-color: var(--primary);
            border-radius: 4px;
            padding: 3px 10px;
        }

        .pricing-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .pricing-card .price-amount {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 4px;
        }

        .pricing-card.featured .price-amount {
            color: var(--primary-deep);
        }

        .pricing-card .price-note {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 18px;
        }

        .pricing-card .price-features {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 20px;
            padding: 0;
        }

        .pricing-card .price-features li {
            font-size: 14px;
            color: var(--text-secondary);
            padding-left: 20px;
            position: relative;
            line-height: 1.6;
        }

        .pricing-card .price-features li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 1px;
            font-size: 13px;
            color: var(--primary);
        }

        /* ========== Section: News ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 28px;
        }

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

        .news-list-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px 18px;
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
        }

        .news-list-item:hover {
            box-shadow: var(--card-shadow-hover);
            border-color: var(--border-focus);
            transform: translateY(-1px);
        }

        .news-list-item .news-date {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-light);
            white-space: nowrap;
            padding-top: 2px;
            min-width: 58px;
        }

        .news-list-item .news-text h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 4px;
        }

        .news-list-item .news-text p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .news-featured-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .news-featured-card .news-featured-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: var(--primary-bg);
        }

        .news-featured-card .news-featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-featured-card .news-featured-content {
            padding: 18px 20px;
        }

        .news-featured-card .news-featured-content h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .news-featured-card .news-featured-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== Section: FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: var(--border-focus);
        }

        .faq-item.active {
            border-left: 3px solid var(--primary);
            background-color: #F7FAFD;
            box-shadow: var(--card-shadow-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            user-select: none;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-index {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-deep);
            width: 28px;
            text-align: center;
            flex-shrink: 0;
        }

        .faq-question .faq-icon {
            margin-left: auto;
            font-size: 16px;
            color: var(--text-light);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }

        .faq-answer-inner {
            padding: 0 20px 18px 62px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        /* ========== Section: Brand & Partners ========== */
        .brand-intro {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            box-shadow: var(--card-shadow);
            margin-bottom: 28px;
        }

        .brand-intro h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .brand-intro p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 10px;
        }

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

        .partners-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .partner-tag-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            text-align: center;
        }

        .partner-tag-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-focus);
        }

        .partner-tag-card .partner-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background-color: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            margin: 0 auto 10px;
        }

        .partner-tag-card h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .partner-tag-card p {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== Section: CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 50%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 60%;
            height: 200%;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            transform: rotate(35deg);
        }

        .cta-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            max-width: 560px;
            margin: 0 auto 22px;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

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

        .btn-white:hover,
        .btn-white:focus {
            background-color: var(--primary-bg);
            border-color: var(--primary-bg);
            color: var(--primary-deep);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }

        .btn-outline-white {
            background-color: transparent;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-white:hover,
        .btn-outline-white:focus {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .countdown-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
        }

        .countdown-bar .countdown-item {
            background-color: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            min-width: 52px;
            text-align: center;
        }

        .countdown-bar .countdown-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        /* ========== Footer ========== */
        .site-footer {
            background-color: #1C2B3A;
            color: rgba(255, 255, 255, 0.75);
            padding-top: 48px;
            margin-top: 0;
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 50%, var(--primary) 100%);
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand .brand-icon {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
        }

        .site-footer p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 8px;
        }

        .site-footer .footer-heading {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .site-footer .footer-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }

        .site-footer .footer-links a:hover {
            color: #FFFFFF;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            margin-top: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            justify-content: space-between;
        }

        .site-footer .footer-bottom p {
            font-size: 12px;
            margin-bottom: 0;
            color: rgba(255, 255, 255, 0.5);
        }

        .site-footer .footer-bottom a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .site-footer .footer-bottom a:hover {
            color: #FFFFFF;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1200px) {
            .hero-title {
                font-size: 32px;
            }
            .pricing-grid {
                gap: 16px;
            }
        }

        @media (max-width: 992px) {
            .hero-section {
                min-height: auto;
                padding-top: calc(var(--nav-height) + 28px);
                padding-bottom: 48px;
            }
            .hero-section::before {
                width: 100%;
                clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
                opacity: 0.5;
            }
            .hero-demo-area {
                margin-top: 28px;
            }
            .group-play-grid {
                grid-template-columns: 1fr;
            }
            .hot-match-grid {
                grid-template-columns: 1fr;
            }
            .features-top-row {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }
            .pricing-card.featured {
                order: -1;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip {
                gap: 16px;
                padding: 20px;
            }
            .stats-strip-divider {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .section-padding-lg {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-description {
                font-size: 14px;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-number {
                font-size: 20px;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .feature-list-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .feature-list-divider {
                display: none;
            }
            .partners-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

        @media (max-width: 576px) {
            .site-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-title {
                font-size: 22px;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-cta-group .btn {
                width: 100%;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 10px;
            }
            .group-play-main-card,
            .group-play-side-card {
                padding: 18px;
            }
            .cta-section .cta-buttons {
                flex-direction: column;
            }
            .cta-section .cta-buttons .btn {
                width: 100%;
            }
            .countdown-bar {
                gap: 8px;
                flex-wrap: wrap;
            }
            .countdown-bar .countdown-item {
                font-size: 18px;
                min-width: 40px;
                padding: 6px 10px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 14px 50px;
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #274C77;
            --primary-deep: #1F4E79;
            --primary-light: #3A6A9E;
            --primary-bg: #F4F7FA;
            --primary-bg-deep: #E8EDF3;
            --accent: #C9A227;
            --accent-deep: #B08A15;
            --accent-light: #F5EBD0;
            --text-main: #1C2B3A;
            --text-secondary: #5A6C7E;
            --text-light: #7D8FA3;
            --border-color: #DCE4EE;
            --border-light: #E6EBF2;
            --border-focus: #A8C4E0;
            --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --card-shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.08);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
            --font-family-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

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

        body {
            font-family: var(--font-family-base);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: #FFFFFF;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

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

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

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

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

        /* Container */
        .site-container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 22px;
            padding-right: 22px;
        }

        /* Section Base */
        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }
        .section-padding-lg {
            padding-top: var(--spacing-xxl);
            padding-bottom: var(--spacing-xxl);
        }
        .section-padding-sm {
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }
        .section-bg-light {
            background-color: var(--primary-bg);
        }
        .section-bg-white {
            background-color: #FFFFFF;
        }
        .section-header {
            margin-bottom: var(--spacing-lg);
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(31, 78, 121, 0.08);
            border: 1px solid rgba(31, 78, 121, 0.15);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        /* Header / Navbar */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            z-index: 1050;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
        }
        .site-header .navbar {
            height: var(--nav-height);
            padding: 0;
            background-color: transparent;
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .site-header .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 18px;
            flex-shrink: 0;
        }
        .site-header .navbar-nav {
            gap: 4px;
        }
        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 14px !important;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .site-header .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 100%;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
            transition: right var(--transition-base);
        }
        .site-header .nav-link:hover {
            color: var(--primary);
        }
        .site-header .nav-link:hover::after {
            right: 14px;
        }
        .site-header .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .site-header .nav-link.active::after {
            right: 14px;
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .navbar-toggler {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 0.2rem rgba(31, 78, 121, 0.15);
            border-color: var(--primary);
        }

        /* Buttons */
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 15px;
            padding: 10px 22px;
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--primary-deep);
            border-color: var(--primary-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(31, 78, 121, 0.25);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(31, 78, 121, 0.2);
        }
        .btn-outline-primary {
            background-color: #FFFFFF;
            border: 1px solid var(--primary);
            color: var(--primary);
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 15px;
            padding: 10px 22px;
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }
        .btn-outline-primary:hover,
        .btn-outline-primary:focus {
            background-color: var(--primary-bg);
            border-color: var(--primary-deep);
            color: var(--primary-deep);
            transform: translateY(-2px);
        }
        .btn-accent {
            background-color: var(--accent);
            border: 1px solid var(--accent);
            color: #FFFFFF;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            padding: 10px 22px;
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }
        .btn-accent:hover,
        .btn-accent:focus {
            background-color: var(--accent-deep);
            border-color: var(--accent-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(176, 138, 21, 0.25);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: var(--radius-md);
            letter-spacing: 0.5px;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-wrap a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-wrap a:hover {
            color: var(--primary);
        }
        .breadcrumb-wrap .separator {
            color: var(--text-light);
            font-size: 12px;
        }
        .breadcrumb-wrap .current {
            color: var(--primary);
            font-weight: 500;
        }

        /* Hero - Category Page */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-image: linear-gradient(135deg, rgba(31, 78, 121, 0.82) 0%, rgba(39, 76, 119, 0.7) 50%, rgba(58, 106, 158, 0.55) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: #FFFFFF;
            padding: var(--spacing-xl) 0;
            margin-top: 0;
        }
        .category-hero .breadcrumb-wrap a {
            color: rgba(255, 255, 255, 0.75);
        }
        .category-hero .breadcrumb-wrap a:hover {
            color: #FFFFFF;
        }
        .category-hero .breadcrumb-wrap .current {
            color: var(--accent-light);
        }
        .category-hero .breadcrumb-wrap .separator {
            color: rgba(255, 255, 255, 0.5);
        }
        .category-hero h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            color: #FFFFFF;
        }
        .category-hero .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: 22px;
        }
        .hero-demo-panel {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 22px 26px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            max-width: 520px;
        }
        .demo-stat {
            text-align: center;
            min-width: 80px;
        }
        .demo-stat .number {
            font-size: 28px;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.2;
        }
        .demo-stat .label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.75);
            letter-spacing: 0.5px;
            margin-top: 4px;
        }
        .demo-divider {
            width: 1px;
            height: 42px;
            background: rgba(255, 255, 255, 0.3);
            flex-shrink: 0;
        }

        /* Data Stats Bar */
        .data-stats-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }
        .stat-item {
            flex: 1 1 auto;
            min-width: 140px;
            padding: 22px 24px;
            text-align: center;
            border-right: 1px solid var(--border-light);
            transition: background var(--transition-fast);
        }
        .stat-item:last-child {
            border-right: none;
        }
        .stat-item:hover {
            background: var(--primary-bg);
        }
        .stat-item .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-deep);
            line-height: 1.2;
        }
        .stat-item .stat-number.accent {
            color: var(--accent-deep);
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
            letter-spacing: 0.3px;
        }

        /* Feature Grid - Asymmetric */
        .asymmetric-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 24px;
            margin-bottom: 24px;
        }
        .feature-card-large {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            padding: 32px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .feature-card-large:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }
        .feature-card-large .feature-image {
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            object-fit: cover;
            opacity: 0.2;
            pointer-events: none;
        }
        .feature-card-large .feature-content {
            position: relative;
            z-index: 2;
        }
        .feature-card-large h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .feature-card-large p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 400px;
        }
        .feature-card-small {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            padding: 24px 28px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-card-small:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }
        .feature-card-small h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .feature-card-small p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .feature-card-small + .feature-card-small {
            margin-top: 16px;
        }
        .numbered-card-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            overflow: hidden;
        }
        .numbered-card {
            flex: 1 1 auto;
            min-width: 220px;
            padding: 24px 28px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            border-right: 1px solid var(--border-light);
            transition: background var(--transition-fast);
        }
        .numbered-card:last-child {
            border-right: none;
        }
        .numbered-card:hover {
            background: var(--primary-bg);
        }
        .numbered-card .number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary-bg-deep);
            line-height: 1;
            flex-shrink: 0;
            min-width: 40px;
        }
        .numbered-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .numbered-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Scenario Alternating */
        .scenario-row {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 48px;
        }
        .scenario-row:last-child {
            margin-bottom: 0;
        }
        .scenario-row.reverse {
            flex-direction: row-reverse;
        }
        .scenario-text {
            flex: 1;
        }
        .scenario-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .scenario-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .scenario-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .scenario-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            background: rgba(31, 78, 121, 0.06);
            border: 1px solid rgba(31, 78, 121, 0.15);
            border-radius: 16px;
            padding: 4px 12px;
            letter-spacing: 0.3px;
        }
        .scenario-image {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            min-height: 240px;
            position: relative;
        }
        .scenario-image:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }
        .scenario-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 240px;
        }

        /* Process Steps */
        .process-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            position: relative;
        }
        .process-step {
            flex: 1 1 auto;
            min-width: 180px;
            padding: 20px 20px;
            text-align: center;
            position: relative;
        }
        .process-step:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 50%;
            right: 0;
            width: 30px;
            height: 1px;
            background: var(--border-color);
        }
        .process-step .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 12px;
            font-weight: 600;
        }
        .process-step .step-number {
            font-size: 11px;
            font-weight: 600;
            color: var(--accent-deep);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 6px;
        }
        .process-step h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* Data Showcase Cards */
        .data-showcase-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .data-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .data-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }
        .data-card .card-image {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .data-card .card-body {
            padding: 20px 22px;
        }
        .data-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            background: rgba(31, 78, 121, 0.06);
            border: 1px solid rgba(31, 78, 121, 0.12);
            border-radius: 14px;
            padding: 3px 10px;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .data-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .data-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Brand Intro */
        .brand-intro-box {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            padding: 32px 36px;
            display: flex;
            gap: 28px;
            align-items: flex-start;
            flex-wrap: wrap;
        }
        .brand-intro-box .intro-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 24px;
            flex-shrink: 0;
        }
        .brand-intro-box .intro-text {
            flex: 1;
            min-width: 260px;
        }
        .brand-intro-box h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .brand-intro-box p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* User Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .review-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            padding: 24px 26px;
            transition: all var(--transition-base);
        }
        .review-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }
        .review-card .review-quote {
            font-size: 15px;
            color: var(--text-main);
            line-height: 1.8;
            margin-bottom: 16px;
            padding-left: 16px;
            border-left: 3px solid var(--primary);
        }
        .review-card .review-meta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .review-card .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-bg-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 600;
            font-size: 16px;
            flex-shrink: 0;
        }
        .review-card .review-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }
        .review-card .review-scene {
            font-size: 12px;
            color: var(--text-light);
        }

        /* Ability Tags */
        .ability-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .ability-tag {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: default;
        }
        .ability-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-bg);
        }
        .ability-tag i {
            font-size: 14px;
            color: var(--accent-deep);
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-focus);
        }
        .faq-item.active {
            border-left: 3px solid var(--primary);
            background: #F7FAFD;
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--primary-bg);
        }
        .faq-question .faq-number {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            min-width: 28px;
            text-align: center;
            flex-shrink: 0;
        }
        .faq-question .faq-text {
            flex: 1;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            line-height: 1.5;
        }
        .faq-question .faq-icon {
            font-size: 16px;
            color: var(--text-light);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 50%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            color: #FFFFFF;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            max-width: 560px;
            margin: 0 auto 24px;
        }
        .cta-section .btn-group {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-white-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #FFFFFF;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 15px;
            padding: 10px 24px;
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }
        .btn-white-outline:hover,
        .btn-white-outline:focus {
            background: rgba(255, 255, 255, 0.15);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: #1C2B3A;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
            border-top: 3px solid var(--primary);
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-brand .brand-icon {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, var(--primary-light) 100%);
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer .footer-heading {
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .site-footer .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: #FFFFFF;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .site-footer .footer-bottom a:hover {
            color: #FFFFFF;
        }
        .site-footer .footer-bottom div {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* Pagination */
        .page-pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            margin-top: 40px;
        }
        .page-pagination .page-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: #FFFFFF;
            color: var(--text-main);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .page-pagination .page-btn:hover {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }
        .page-pagination .page-btn.active {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
            font-weight: 600;
        }
        .page-pagination .page-btn.disabled {
            background: var(--primary-bg);
            color: var(--text-light);
            cursor: not-allowed;
            border-color: var(--border-light);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .site-header .navbar-collapse {
                background: #FFFFFF;
                border-radius: var(--radius-md);
                border: 1px solid var(--border-light);
                padding: 16px 20px;
                margin-top: 4px;
                box-shadow: var(--card-shadow-hover);
            }
            .site-header .nav-link {
                padding: 10px 14px !important;
            }
            .nav-cta-group {
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid var(--border-light);
                flex-wrap: wrap;
            }
            .nav-cta-group .btn {
                flex: 1;
                min-width: 120px;
            }
            .asymmetric-grid {
                grid-template-columns: 1fr;
            }
            .data-showcase-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-row,
            .scenario-row.reverse {
                flex-direction: column;
                gap: 24px;
            }
            .scenario-image,
            .scenario-image img {
                min-height: 200px;
            }
            .process-step:not(:last-child)::after {
                display: none;
            }
            .process-step {
                min-width: 140px;
                flex: 1 1 40%;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-xl: 48px;
                --spacing-xxl: 64px;
            }
            body {
                font-size: 15px;
            }
            .category-hero {
                min-height: 360px;
                padding: 48px 0;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .hero-demo-panel {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 16px 20px;
            }
            .demo-divider {
                width: 100%;
                height: 1px;
            }
            .data-stats-bar .stat-item {
                flex: 1 1 50%;
                border-bottom: 1px solid var(--border-light);
                border-right: none;
            }
            .data-stats-bar .stat-item:nth-child(odd) {
                border-right: 1px solid var(--border-light);
            }
            .data-stats-bar .stat-item:nth-last-child(-n+2) {
                border-bottom: none;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .data-showcase-grid {
                grid-template-columns: 1fr;
            }
            .feature-card-large {
                min-height: auto;
                padding: 24px;
            }
            .numbered-card {
                min-width: 100%;
                border-right: none;
                border-bottom: 1px solid var(--border-light);
            }
            .numbered-card:last-child {
                border-bottom: none;
            }
            .cta-section {
                padding: 32px 24px;
            }
            .brand-intro-box {
                flex-direction: column;
                gap: 16px;
                padding: 24px;
            }
            .section-header h2 {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --spacing-xl: 40px;
                --spacing-xxl: 56px;
                --nav-height: 64px;
            }
            body {
                font-size: 14px;
                line-height: 1.7;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .site-header .navbar-brand {
                font-size: 17px;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .data-stats-bar .stat-item {
                flex: 1 1 100%;
                border-right: none !important;
                border-bottom: 1px solid var(--border-light);
            }
            .data-stats-bar .stat-item:last-child {
                border-bottom: none;
            }
            .process-step {
                flex: 1 1 100%;
                border-bottom: 1px solid var(--border-light);
                padding: 16px;
            }
            .process-step:last-child {
                border-bottom: none;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .page-pagination .page-btn {
                width: 34px;
                height: 34px;
                font-size: 13px;
            }
            .brand-intro-box h3 {
                font-size: 16px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #274C77;
            --primary-deep: #1F4E79;
            --primary-light: #3A6A9E;
            --primary-bg: #F4F7FA;
            --primary-bg-deep: #E8EDF3;
            --accent: #C9A227;
            --accent-deep: #B08A15;
            --accent-light: #F5EBD0;
            --text-main: #1C2B3A;
            --text-secondary: #5A6C7E;
            --text-light: #7D8FA3;
            --border-color: #DCE4EE;
            --border-light: #E6EBF2;
            --border-focus: #A8C4E0;
            --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --card-shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.08);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
            --font-family-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family-base);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: #FFFFFF;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-deep);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 22px;
            padding-right: 22px;
        }
        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }
        .section-padding-lg {
            padding-top: var(--spacing-xxl);
            padding-bottom: var(--spacing-xxl);
        }
        .section-bg-light {
            background-color: var(--primary-bg);
        }
        .section-bg-white {
            background-color: #FFFFFF;
        }
        .section-header {
            margin-bottom: var(--spacing-lg);
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(31, 78, 121, 0.08);
            border: 1px solid rgba(31, 78, 121, 0.15);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            z-index: 1050;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
        }
        .site-header .navbar {
            height: var(--nav-height);
            padding: 0;
            background-color: transparent;
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .site-header .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 18px;
            flex-shrink: 0;
        }
        .site-header .navbar-nav {
            gap: 4px;
        }
        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 14px !important;
            border-radius: 6px;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .site-header .nav-link::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background-color: var(--primary);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform var(--transition-base);
            border-radius: 1px;
        }
        .site-header .nav-link:hover {
            color: var(--primary);
        }
        .site-header .nav-link:hover::after {
            transform: scaleX(1);
        }
        .site-header .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .site-header .nav-link.active::after {
            transform: scaleX(1);
        }
        .nav-cta-group {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-left: 16px;
        }
        .navbar-toggler {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            background-color: #FFFFFF;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 0.2rem rgba(31, 78, 121, 0.15);
            border-color: var(--primary);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23274C77' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            padding: 10px 20px;
            transition: all var(--transition-base);
            font-size: 15px;
            letter-spacing: 0.3px;
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: none;
        }
        .btn-primary {
            background-color: var(--primary);
            border: 1px solid var(--primary);
            color: #FFFFFF;
        }
        .btn-primary:hover,
        .btn-primary:focus,
        .btn-primary:active {
            background-color: var(--primary-deep);
            border-color: var(--primary-deep);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(31, 78, 121, 0.25);
        }
        .btn-accent {
            background-color: var(--accent);
            border: 1px solid var(--accent);
            color: #FFFFFF;
        }
        .btn-accent:hover,
        .btn-accent:focus,
        .btn-accent:active {
            background-color: var(--accent-deep);
            border-color: var(--accent-deep);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(176, 138, 21, 0.3);
        }
        .btn-outline-primary {
            background-color: #FFFFFF;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover,
        .btn-outline-primary:focus,
        .btn-outline-primary:active {
            background-color: var(--primary-bg);
            border-color: var(--primary-deep);
            color: var(--primary-deep);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            border-radius: var(--radius-sm);
        }
        .btn-lg {
            padding: 12px 28px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }
        .breadcrumb-wrap {
            background-color: var(--primary-bg);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .breadcrumb {
            margin-bottom: 0;
            font-size: 14px;
            --bs-breadcrumb-divider-color: var(--text-light);
        }
        .breadcrumb-item a {
            color: var(--text-secondary);
        }
        .breadcrumb-item a:hover {
            color: var(--primary);
        }
        .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 500;
        }
        .category-hero {
            position: relative;
            padding: var(--spacing-lg) 0 var(--spacing-xl);
            background-color: #FFFFFF;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 1;
            max-width: 720px;
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--spacing-md);
        }
        .hero-form-box {
            position: relative;
            z-index: 1;
            background-color: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--card-shadow);
            max-width: 720px;
        }
        .hero-form-box .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .form-control {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 10px 14px;
            font-size: 15px;
            color: var(--text-main);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(31, 78, 121, 0.15);
        }
        .form-control::placeholder {
            color: var(--text-light);
            font-size: 14px;
        }
        .feature-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            height: 100%;
        }
        .feature-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-focus);
        }
        .feature-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background-color: rgba(31, 78, 121, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 14px;
            flex-shrink: 0;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .horizontal-card {
            display: flex;
            flex-direction: column;
            background-color: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
        }
        .horizontal-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }
        .horizontal-card .card-img {
            height: 220px;
            overflow: hidden;
        }
        .horizontal-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .horizontal-card:hover .card-img img {
            transform: scale(1.03);
        }
        .horizontal-card .card-body {
            padding: var(--spacing-md);
        }
        .horizontal-card .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .horizontal-card .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .sports-grid-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            height: 100%;
        }
        .sports-grid-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-focus);
        }
        .sports-grid-card .card-img {
            height: 160px;
            overflow: hidden;
        }
        .sports-grid-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .sports-grid-card:hover .card-img img {
            transform: scale(1.04);
        }
        .sports-grid-card .card-body {
            padding: 16px;
        }
        .sports-grid-card .card-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .sports-grid-card .card-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 10px;
        }
        .badge-soft {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(31, 78, 121, 0.08);
            border-radius: 4px;
            padding: 3px 10px;
        }
        .badge-accent {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-deep);
            background-color: var(--accent-light);
            border-radius: 4px;
            padding: 3px 10px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-light);
        }
        .card-meta i {
            margin-right: 4px;
        }
        .card-more-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card-more-link:hover {
            color: var(--primary-deep);
            gap: 6px;
        }
        .pagination-wrap {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            padding-top: var(--spacing-md);
        }
        .pagination-wrap .page-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            background-color: #FFFFFF;
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .pagination-wrap .page-btn:hover {
            background-color: var(--primary-bg);
            color: var(--primary);
            border-color: var(--primary);
        }
        .pagination-wrap .page-btn.active {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }
        .pagination-wrap .page-btn.disabled {
            opacity: 0.5;
            pointer-events: none;
        }
        .sidebar-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--card-shadow);
            margin-bottom: var(--spacing-md);
        }
        .sidebar-card .sidebar-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-light);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            font-size: 13px;
            color: var(--text-secondary);
            background-color: var(--primary-bg);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 5px 14px;
            transition: all var(--transition-fast);
        }
        .tag-cloud a:hover {
            color: #FFFFFF;
            background-color: var(--primary);
            border-color: var(--primary);
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-size: 14px;
            transition: color var(--transition-fast);
        }
        .sidebar-links a:last-child {
            border-bottom: none;
        }
        .sidebar-links a:hover {
            color: var(--primary);
        }
        .sidebar-links a i {
            font-size: 12px;
            color: var(--text-light);
            transition: transform var(--transition-fast);
        }
        .sidebar-links a:hover i {
            transform: translateX(3px);
            color: var(--primary);
        }
        .stat-bar {
            display: flex;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            background-color: var(--primary-bg);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md) var(--spacing-lg);
            margin-top: var(--spacing-md);
        }
        .stat-bar .stat-item {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 2px;
            min-width: 120px;
        }
        .stat-bar .stat-number {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-deep);
            line-height: 1.2;
        }
        .stat-bar .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .faq-section .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background-color: #FFFFFF;
            box-shadow: var(--card-shadow);
        }
        .faq-section .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            background-color: #FFFFFF;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all var(--transition-fast);
            border-radius: var(--radius-md);
        }
        .faq-section .accordion-button:not(.collapsed) {
            color: var(--primary);
            background-color: #F7FAFD;
            box-shadow: none;
            border-bottom: 1px solid var(--border-light);
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 0.2rem rgba(31, 78, 121, 0.1);
            border-color: var(--border-focus);
        }
        .faq-section .accordion-button .faq-number {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            background-color: rgba(31, 78, 121, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
        }
        .faq-section .accordion-button:not(.collapsed) .faq-number {
            background-color: var(--primary);
            color: #FFFFFF;
        }
        .faq-section .accordion-button::after {
            margin-left: auto;
            font-size: 18px;
            color: var(--text-secondary);
        }
        .faq-section .accordion-body {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 16px 20px;
            background-color: #F7FAFD;
        }
        .cta-panel {
            background-color: var(--primary-deep);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .cta-panel h2 {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-panel p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            margin: 0 auto var(--spacing-md);
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }
        .cta-panel .btn {
            position: relative;
            z-index: 1;
        }
        .site-footer {
            background-color: #1C2B3A;
            color: rgba(255, 255, 255, 0.75);
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-md);
            border-top: 3px solid var(--primary);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-brand .brand-icon {
            width: 34px;
            height: 34px;
            font-size: 16px;
            border-radius: 6px;
        }
        .site-footer p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            align-items: center;
            justify-content: space-between;
        }
        .footer-bottom p {
            margin-bottom: 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #FFFFFF;
        }
        .footer-bottom .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
            align-items: center;
        }
        @media (min-width: 992px) {
            .horizontal-card {
                flex-direction: row;
                align-items: stretch;
            }
            .horizontal-card .card-img {
                width: 45%;
                height: auto;
                min-height: 240px;
            }
            .horizontal-card .card-body {
                flex: 1;
                display: flex;
                flex-direction: column;
                justify-content: center;
            }
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background-color: #FFFFFF;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }
            .nav-cta-group {
                margin-left: 0;
                margin-top: var(--spacing-sm);
                flex-direction: column;
                width: 100%;
            }
            .nav-cta-group .btn {
                width: 100%;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .stat-bar {
                gap: var(--spacing-sm);
                padding: var(--spacing-sm) var(--spacing-md);
            }
        }
        @media (max-width: 767.98px) {
            .section-padding {
                padding-top: var(--spacing-lg);
                padding-bottom: var(--spacing-lg);
            }
            .section-padding-lg {
                padding-top: var(--spacing-xl);
                padding-bottom: var(--spacing-xl);
            }
            .category-hero {
                padding: var(--spacing-md) 0 var(--spacing-lg);
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .hero-form-box {
                padding: var(--spacing-sm);
            }
            .horizontal-card .card-img {
                height: 180px;
            }
            .sports-grid-card .card-img {
                height: 140px;
            }
            .cta-panel {
                padding: var(--spacing-lg) var(--spacing-md);
            }
            .cta-panel h2 {
                font-size: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }
        @media (max-width: 575.98px) {
            .site-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-hero h1 {
                font-size: 20px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .stat-bar {
                flex-direction: column;
                gap: 8px;
            }
            .pagination-wrap .page-btn {
                width: 36px;
                height: 36px;
                font-size: 13px;
            }
        }
        .sports-badge-list {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .data-highlight {
            font-weight: 700;
            color: var(--primary-deep);
        }
        .process-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .process-step:last-child {
            border-bottom: none;
        }
        .process-step .step-number {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: var(--primary);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 14px;
        }
        .process-step .step-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .process-step .step-content p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }

/* roulang page: category3 */
:root {
            --primary: #274C77;
            --primary-deep: #1F4E79;
            --primary-light: #3A6A9E;
            --primary-bg: #F4F7FA;
            --primary-bg-deep: #E8EDF3;
            --accent: #C9A227;
            --accent-deep: #B08A15;
            --accent-light: #F5EBD0;
            --text-main: #1C2B3A;
            --text-secondary: #5A6C7E;
            --text-light: #7D8FA3;
            --border-color: #DCE4EE;
            --border-light: #E6EBF2;
            --border-focus: #A8C4E0;
            --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --card-shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.08);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
            --font-family-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family-base);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: #FFFFFF;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-deep);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 22px;
            padding-right: 22px;
        }
        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }
        .section-padding-lg {
            padding-top: var(--spacing-xxl);
            padding-bottom: var(--spacing-xxl);
        }
        .section-bg-light {
            background-color: var(--primary-bg);
        }
        .section-bg-white {
            background-color: #FFFFFF;
        }
        .section-header {
            margin-bottom: var(--spacing-lg);
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(31, 78, 121, 0.08);
            border: 1px solid rgba(31, 78, 121, 0.15);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            z-index: 1050;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
        }
        .site-header .navbar {
            height: var(--nav-height);
            padding: 0;
            background-color: transparent;
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .site-header .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 18px;
            flex-shrink: 0;
        }
        .site-header .navbar-nav {
            gap: 4px;
        }
        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 14px !important;
            border-radius: 6px;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .site-header .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
            opacity: 0;
            transform: scaleX(0);
            transform-origin: center;
            transition: opacity var(--transition-fast), transform var(--transition-fast);
        }
        .site-header .nav-link:hover {
            color: var(--primary);
        }
        .site-header .nav-link:hover::after {
            opacity: 1;
            transform: scaleX(1);
        }
        .site-header .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .site-header .nav-link.active::after {
            opacity: 1;
            transform: scaleX(1);
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 16px;
        }
        .nav-cta-group .btn {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-md);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            white-space: nowrap;
            transition: all var(--transition-base);
        }
        .btn-accent {
            background-color: var(--accent);
            border: 1px solid var(--accent);
            color: #FFFFFF;
        }
        .btn-accent:hover {
            background-color: var(--accent-deep);
            border-color: var(--accent-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(201, 162, 39, 0.3);
        }
        .btn-outline-primary {
            background-color: #FFFFFF;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-bg);
            border-color: var(--primary-deep);
            color: var(--primary-deep);
            transform: translateY(-2px);
        }
        .navbar-toggler {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            font-size: 16px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(31, 78, 121, 0.15);
            outline: none;
        }
        .btn {
            transition: all var(--transition-base);
            border-radius: var(--radius-md);
            font-weight: 600;
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--primary);
            border: 1px solid var(--primary);
            color: #FFFFFF;
        }
        .btn-primary:hover {
            background-color: var(--primary-deep);
            border-color: var(--primary-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(31, 78, 121, 0.25);
        }
        .btn-light-outline {
            background-color: transparent;
            border: 1px solid #FFFFFF;
            color: #FFFFFF;
        }
        .btn-light-outline:hover {
            background-color: rgba(255, 255, 255, 0.15);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        .page-hero {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(28, 43, 58, 0.88) 0%, rgba(39, 76, 119, 0.82) 55%, rgba(39, 76, 119, 0.65) 100%);
            z-index: 1;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 48px 0;
        }
        .page-hero .hero-content h1 {
            font-size: 32px;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.35;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .page-hero .hero-content .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 580px;
            margin-bottom: 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 16px;
        }
        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition-fast);
        }
        .breadcrumb-nav a:hover {
            color: #FFFFFF;
        }
        .breadcrumb-nav .separator {
            color: rgba(255, 255, 255, 0.4);
        }
        .breadcrumb-nav .current {
            color: var(--accent);
            font-weight: 600;
        }
        .card {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            overflow: hidden;
            background-color: #FFFFFF;
        }
        .card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-color);
        }
        .card-img-wrapper {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background-color: var(--primary-bg);
        }
        .card-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-img-wrapper img {
            transform: scale(1.03);
        }
        .card-body {
            padding: 20px;
        }
        .card-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(31, 78, 121, 0.08);
            border-radius: 4px;
            padding: 3px 10px;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .card-date {
            font-size: 12px;
            color: var(--text-light);
            margin-left: 8px;
        }
        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .card-title a {
            color: var(--text-main);
        }
        .card-title a:hover {
            color: var(--primary);
        }
        .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }
        .card-link:hover {
            color: var(--primary-deep);
            gap: 10px;
        }
        .card-link i {
            font-size: 12px;
        }
        .feature-card-horizontal {
            display: flex;
            flex-direction: row;
            align-items: stretch;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            background-color: #FFFFFF;
        }
        .feature-card-horizontal:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-color);
        }
        .feature-card-horizontal .img-side {
            flex: 0 0 40%;
            max-width: 40%;
            position: relative;
            overflow: hidden;
            min-height: 280px;
        }
        .feature-card-horizontal .img-side img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
            transition: transform var(--transition-slow);
        }
        .feature-card-horizontal:hover .img-side img {
            transform: scale(1.04);
        }
        .feature-card-horizontal .content-side {
            flex: 1;
            padding: 28px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-card-horizontal .content-side .card-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .feature-card-horizontal .content-side .card-text {
            font-size: 15px;
            line-height: 1.8;
            -webkit-line-clamp: 4;
            margin-bottom: 16px;
        }
        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--primary-bg);
            border: 1px solid var(--primary);
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-number.accent {
            background-color: var(--accent-light);
            border-color: var(--accent);
            color: var(--accent-deep);
        }
        .step-content h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .step-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .stat-block {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: space-between;
            background-color: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: var(--card-shadow);
        }
        .stat-item {
            text-align: center;
            flex: 1;
            min-width: 140px;
        }
        .stat-item .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary-deep);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
        }
        .stat-item .stat-number.accent {
            color: var(--accent);
        }
        .pagination-wrapper {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 32px;
        }
        .pagination-wrapper .page-btn {
            min-width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            background-color: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            transition: all var(--transition-fast);
        }
        .pagination-wrapper .page-btn:hover {
            background-color: var(--primary-bg);
            border-color: var(--primary);
            color: var(--primary);
        }
        .pagination-wrapper .page-btn.active {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }
        .pagination-wrapper .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }
        .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background-color: #FFFFFF;
            transition: all var(--transition-base);
        }
        .accordion-item:hover {
            border-color: var(--border-focus);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            padding: 18px 20px;
            background-color: #FFFFFF;
            border: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-base);
        }
        .accordion-button:not(.collapsed) {
            background-color: #F7FAFD;
            color: var(--primary);
            box-shadow: none;
            border-left: 3px solid var(--primary);
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 0.2rem rgba(31, 78, 121, 0.1);
            outline: none;
            border-color: var(--primary);
        }
        .accordion-button::after {
            filter: brightness(0) saturate(100%) invert(24%) sepia(76%) saturate(648%) hue-rotate(187deg) brightness(94%) contrast(90%);
        }
        .accordion-body {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 16px 20px 20px;
            background-color: #F7FAFD;
            border-left: 3px solid var(--primary);
        }
        .faq-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background-color: var(--primary-bg);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            margin-right: 10px;
            flex-shrink: 0;
        }
        .cta-section {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }
        .cta-section .cta-text h2 {
            font-size: 24px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .cta-section .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 0;
            line-height: 1.7;
            max-width: 520px;
        }
        .cta-section .cta-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .cta-section .btn {
            height: 44px;
            padding: 0 24px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: var(--radius-md);
        }
        .site-footer {
            background-color: #1C2B3A;
            color: #FFFFFF;
            padding-top: 56px;
            padding-bottom: 24px;
            border-top: 3px solid var(--primary);
            margin-top: 0;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            font-size: 16px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
        }
        .site-footer p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .site-footer .footer-heading {
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .site-footer .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.3);
        }
        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background-color: #FFFFFF;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                padding: 16px 22px 20px;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
                z-index: 1051;
            }
            .site-header .navbar-nav {
                gap: 2px;
                margin-bottom: 16px;
            }
            .site-header .nav-link {
                padding: 10px 12px !important;
                font-size: 16px;
            }
            .site-header .nav-link::after {
                display: none;
            }
            .nav-cta-group {
                margin-left: 0;
                flex-wrap: wrap;
                padding-top: 12px;
                border-top: 1px solid var(--border-light);
            }
            .nav-cta-group .btn {
                flex: 1;
                min-width: 120px;
            }
            .feature-card-horizontal {
                flex-direction: column;
            }
            .feature-card-horizontal .img-side {
                flex: 0 0 auto;
                max-width: 100%;
                min-height: 200px;
                aspect-ratio: 16/9;
                position: relative;
            }
            .feature-card-horizontal .img-side img {
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                object-fit: cover;
            }
            .stat-block {
                gap: 16px;
                padding: 20px;
            }
            .stat-item .stat-number {
                font-size: 24px;
            }
            .cta-section {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 24px;
            }
            .page-hero {
                min-height: 280px;
            }
            .page-hero .hero-content h1 {
                font-size: 26px;
            }
        }
        @media (max-width: 767.98px) {
            .section-padding {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .section-padding-lg {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .page-hero {
                min-height: 240px;
            }
            .page-hero .hero-content {
                padding: 32px 0;
            }
            .page-hero .hero-content h1 {
                font-size: 22px;
            }
            .page-hero .hero-content .hero-desc {
                font-size: 14px;
            }
            .breadcrumb-nav {
                font-size: 12px;
                flex-wrap: wrap;
            }
            .stat-block {
                flex-direction: column;
                gap: 12px;
            }
            .stat-item {
                min-width: auto;
                text-align: left;
                display: flex;
                align-items: baseline;
                gap: 12px;
            }
            .feature-card-horizontal .content-side {
                padding: 18px;
            }
            .feature-card-horizontal .content-side .card-title {
                font-size: 18px;
            }
            .cta-section .cta-text h2 {
                font-size: 20px;
            }
            .cta-section .btn {
                width: 100%;
                justify-content: center;
            }
            .pagination-wrapper {
                flex-wrap: wrap;
            }
            .pagination-wrapper .page-btn {
                min-width: 36px;
                height: 36px;
                font-size: 13px;
                padding: 0 8px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
        }
        @media (max-width: 575.98px) {
            .site-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-header .navbar-brand {
                font-size: 17px;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .page-hero .hero-content h1 {
                font-size: 20px;
            }
            .card-title {
                font-size: 16px;
            }
            .accordion-button {
                font-size: 14px;
                padding: 14px 16px;
            }
            .accordion-body {
                font-size: 13px;
                padding: 12px 16px 16px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #274C77;
            --primary-deep: #1F4E79;
            --primary-light: #3A6A9E;
            --primary-bg: #F4F7FA;
            --primary-bg-deep: #E8EDF3;
            --accent: #C9A227;
            --accent-deep: #B08A15;
            --accent-light: #F5EBD0;
            --text-main: #1C2B3A;
            --text-secondary: #5A6C7E;
            --text-light: #7D8FA3;
            --border-color: #DCE4EE;
            --border-light: #E6EBF2;
            --border-focus: #A8C4E0;
            --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --card-shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.08);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
            --font-family-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family-base);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: #FFFFFF;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-deep);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 22px;
            padding-right: 22px;
        }
        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }
        .section-padding-lg {
            padding-top: var(--spacing-xxl);
            padding-bottom: var(--spacing-xxl);
        }
        .section-bg-light {
            background-color: var(--primary-bg);
        }
        .section-bg-white {
            background-color: #FFFFFF;
        }
        .section-header {
            margin-bottom: var(--spacing-lg);
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(31, 78, 121, 0.08);
            border: 1px solid rgba(31, 78, 121, 0.15);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            z-index: 1050;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
        }
        .site-header .navbar {
            height: var(--nav-height);
            padding: 0;
            background-color: transparent;
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .site-header .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 18px;
            flex-shrink: 0;
        }
        .site-header .navbar-nav {
            gap: 4px;
        }
        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 14px !important;
            border-radius: 6px;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .site-header .nav-link::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 1px;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform var(--transition-base);
        }
        .site-header .nav-link:hover {
            color: var(--primary);
        }
        .site-header .nav-link:hover::after,
        .site-header .nav-link.active::after {
            transform: scaleX(1);
        }
        .site-header .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-cta-group .btn {
            font-weight: 600;
            font-size: 14px;
            padding: 8px 18px;
            border-radius: var(--radius-md);
            min-height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-accent {
            background-color: var(--accent);
            color: #FFFFFF;
            border: 1px solid var(--accent);
        }
        .btn-accent:hover {
            background-color: var(--accent-deep);
            border-color: var(--accent-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(201, 162, 39, 0.3);
        }
        .btn-outline-primary {
            background-color: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-bg);
            border-color: var(--primary-deep);
            color: var(--primary-deep);
            transform: translateY(-2px);
        }
        .navbar-toggler {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(31, 78, 121, 0.15);
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: #FFFFFF;
                border-radius: var(--radius-md);
                border: 1px solid var(--border-light);
                padding: 16px;
                margin-top: 8px;
                box-shadow: var(--card-shadow-hover);
            }
            .nav-cta-group {
                flex-direction: column;
                width: 100%;
                margin-top: 12px;
            }
            .nav-cta-group .btn {
                width: 100%;
            }
            .site-header .nav-link::after {
                display: none;
            }
            .site-header .nav-link.active {
                background-color: var(--primary-bg);
                border-radius: var(--radius-sm);
            }
        }
        .btn {
            font-weight: 600;
            transition: all var(--transition-base);
            border-radius: var(--radius-md);
        }
        .btn:hover {
            transform: translateY(-2px);
        }
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }
        .btn-primary:hover {
            background-color: var(--primary-deep);
            border-color: var(--primary-deep);
            color: #FFFFFF;
            box-shadow: 0 4px 12px rgba(31, 78, 121, 0.3);
        }
        .btn-lg {
            padding: 12px 28px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }
        .hero-category {
            padding: 48px 0 56px;
            background-color: var(--primary-bg);
            position: relative;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }
        .hero-category .breadcrumb {
            margin-bottom: 20px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .hero-category .breadcrumb a {
            color: var(--text-secondary);
        }
        .hero-category .breadcrumb a:hover {
            color: var(--primary);
        }
        .hero-category .breadcrumb .active {
            color: var(--primary);
            font-weight: 600;
        }
        .hero-category h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .hero-category .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
        }
        @media (max-width: 767.98px) {
            .hero-category h1 {
                font-size: 28px;
            }
            .hero-category {
                padding: 32px 0 40px;
            }
            .hero-category::before {
                width: 100%;
                opacity: 0.06;
            }
        }
        .feature-grid-asym {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 24px;
            margin-bottom: 24px;
        }
        .feature-card-wide {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .feature-card-wide:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-focus);
        }
        .feature-card-wide img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 16px;
        }
        .feature-card-wide h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .feature-card-wide p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .feature-card-small {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .feature-card-small:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-focus);
        }
        .feature-card-small h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .feature-card-small p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .feature-card-small .icon-circle {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
            margin-bottom: 8px;
            flex-shrink: 0;
        }
        .two-col-stack {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        @media (max-width: 767.98px) {
            .feature-grid-asym {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .two-col-stack {
                grid-template-columns: 1fr;
            }
            .feature-card-wide img {
                height: 160px;
            }
        }
        .content-list-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 32px;
            align-items: start;
        }
        .content-card-horizontal {
            display: flex;
            gap: 24px;
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            margin-bottom: 20px;
        }
        .content-card-horizontal:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-focus);
        }
        .content-card-horizontal img {
            width: 280px;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md);
            flex-shrink: 0;
        }
        .content-card-horizontal .card-body-content {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            flex: 1;
        }
        .content-card-horizontal .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(31, 78, 121, 0.08);
            border-radius: 12px;
            padding: 2px 10px;
            margin-bottom: 8px;
            align-self: flex-start;
        }
        .content-card-horizontal h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .content-card-horizontal p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .content-card-horizontal .card-meta {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .content-card-horizontal .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            align-self: flex-start;
        }
        .content-card-horizontal .read-more:hover {
            color: var(--primary-deep);
        }
        .content-grid-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .content-card-vertical {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 16px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .content-card-vertical:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-focus);
        }
        .content-card-vertical img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius-md);
        }
        .content-card-vertical .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(31, 78, 121, 0.08);
            border-radius: 12px;
            padding: 2px 10px;
            align-self: flex-start;
        }
        .content-card-vertical h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 2px;
        }
        .content-card-vertical p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
            flex: 1;
        }
        .content-card-vertical .card-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .sidebar-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--card-shadow);
            margin-bottom: 20px;
        }
        .sidebar-card h5 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags a {
            display: inline-block;
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--primary-bg);
            border: 1px solid var(--border-light);
            border-radius: 16px;
            padding: 4px 12px;
            transition: all var(--transition-fast);
        }
        .sidebar-tags a:hover {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }
        .sidebar-links a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 0;
            border-bottom: 1px dashed var(--border-light);
            transition: color var(--transition-fast);
        }
        .sidebar-links a:last-child {
            border-bottom: none;
        }
        .sidebar-links a:hover {
            color: var(--primary);
        }
        @media (max-width: 991.98px) {
            .content-list-area {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .content-card-horizontal {
                flex-direction: column;
                gap: 16px;
            }
            .content-card-horizontal img {
                width: 100%;
                height: 180px;
            }
        }
        @media (max-width: 767.98px) {
            .content-grid-cards {
                grid-template-columns: 1fr;
            }
        }
        .pagination-area {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            margin-top: 20px;
        }
        .pagination-area .page-link {
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            background: #FFFFFF;
            border-radius: var(--radius-sm);
            font-size: 14px;
            padding: 6px 14px;
            transition: all var(--transition-fast);
        }
        .pagination-area .page-link:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }
        .pagination-area .page-link.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
            font-weight: 600;
        }
        .pricing-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
            text-align: center;
        }
        .pricing-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .pricing-card.featured {
            border: 2px solid var(--accent);
            box-shadow: 0 4px 16px rgba(201, 162, 39, 0.15);
            transform: scale(1.02);
            position: relative;
        }
        .pricing-card.featured:hover {
            transform: scale(1.02) translateY(-4px);
        }
        .pricing-card .price-tag {
            font-size: 40px;
            font-weight: 700;
            color: var(--primary-deep);
            line-height: 1;
            margin: 12px 0;
        }
        .pricing-card.featured .price-tag {
            color: var(--accent);
        }
        .pricing-card .price-unit {
            font-size: 16px;
            color: var(--text-secondary);
            font-weight: 400;
        }
        .pricing-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .pricing-card .plan-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .pricing-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 20px 0;
            text-align: left;
            flex: 1;
        }
        .pricing-card ul li {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 0;
            border-bottom: 1px dashed var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-card ul li:last-child {
            border-bottom: none;
        }
        .pricing-card ul li i {
            color: var(--primary);
            font-size: 14px;
            flex-shrink: 0;
        }
        .pricing-card .btn {
            width: 100%;
        }
        @media (max-width: 767.98px) {
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: translateY(-4px);
            }
        }
        .scenario-row {
            display: flex;
            align-items: center;
            gap: 40px;
            margin-bottom: 48px;
        }
        .scenario-row:last-child {
            margin-bottom: 0;
        }
        .scenario-row.reversed {
            flex-direction: row-reverse;
        }
        .scenario-text {
            flex: 1;
        }
        .scenario-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .scenario-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .scenario-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .scenario-tags span {
            font-size: 13px;
            color: var(--primary);
            background: rgba(31, 78, 121, 0.08);
            border: 1px solid rgba(31, 78, 121, 0.15);
            border-radius: 16px;
            padding: 4px 12px;
            font-weight: 500;
        }
        .scenario-image {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }
        .scenario-image img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        @media (max-width: 767.98px) {
            .scenario-row,
            .scenario-row.reversed {
                flex-direction: column;
                gap: 16px;
            }
            .scenario-image img {
                height: 160px;
            }
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
        }
        .faq-accordion .accordion-item:hover {
            border-color: var(--border-focus);
        }
        .faq-accordion .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: #FFFFFF;
            padding: 18px 20px;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-base);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: #F7FAFD;
            color: var(--primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(31, 78, 121, 0.12);
            border-color: var(--primary);
        }
        .faq-accordion .accordion-button::after {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .faq-accordion .accordion-body {
            background: #FBFDFF;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 16px 20px;
        }
        .faq-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-bg);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            margin-right: 10px;
            flex-shrink: 0;
        }
        .cta-section {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 50%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            color: #FFFFFF;
        }
        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #FFFFFF;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .cta-section .btn {
            margin: 0 6px;
            min-width: 140px;
        }
        .cta-section .btn-accent {
            background-color: var(--accent);
            border-color: var(--accent);
        }
        .cta-section .btn-accent:hover {
            background-color: var(--accent-deep);
            border-color: var(--accent-deep);
        }
        .cta-section .btn-outline-light-custom {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #FFFFFF;
        }
        .cta-section .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }
        @media (max-width: 767.98px) {
            .cta-section {
                padding: 36px 20px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .cta-section .btn {
                width: 100%;
                margin: 4px 0;
            }
        }
        .site-footer {
            background-color: #1C2B3A;
            color: rgba(255, 255, 255, 0.8);
            padding-top: 56px;
            margin-top: 0;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 34px;
            height: 34px;
            font-size: 15px;
        }
        .site-footer p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-links a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 40px;
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-bottom a:hover {
            color: #FFFFFF;
        }
        .footer-bottom div {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        @media (max-width: 767.98px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom div {
                justify-content: center;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #274C77;
            --primary-deep: #1F4E79;
            --primary-light: #3A6A9E;
            --primary-bg: #F4F7FA;
            --primary-bg-deep: #E8EDF3;
            --accent: #C9A227;
            --accent-deep: #B08A15;
            --accent-light: #F5EBD0;
            --text-main: #1C2B3A;
            --text-secondary: #5A6C7E;
            --text-light: #7D8FA3;
            --border-color: #DCE4EE;
            --border-light: #E6EBF2;
            --border-focus: #A8C4E0;
            --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --card-shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.08);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
            --font-family-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

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

        body {
            font-family: var(--font-family-base);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: #FFFFFF;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

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

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

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

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

        .site-container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 22px;
            padding-right: 22px;
        }

        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }

        .section-padding-sm {
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }

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

        .section-bg-white {
            background-color: #FFFFFF;
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(31, 78, 121, 0.08);
            border: 1px solid rgba(31, 78, 121, 0.15);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        /* Header/Navbar */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            z-index: 1050;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
        }

        .site-header .navbar {
            height: var(--nav-height);
            padding: 0;
            background-color: transparent;
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 18px;
            flex-shrink: 0;
        }

        .site-header .navbar-nav {
            gap: 4px;
        }

        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 14px !important;
            border-radius: 6px;
            position: relative;
            transition: color var(--transition-fast), background-color var(--transition-fast);
            white-space: nowrap;
        }

        .site-header .nav-link::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: center;
            transition: transform var(--transition-fast);
        }

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

        .site-header .nav-link:hover::after,
        .site-header .nav-link.active::after {
            transform: scaleX(1);
        }

        .site-header .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            padding: 10px 20px;
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }

        .btn-accent {
            background-color: var(--accent);
            color: #FFFFFF;
            border: none;
        }

        .btn-accent:hover {
            background-color: var(--accent-deep);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(201, 162, 39, 0.35);
        }

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

        .btn-outline-primary:hover {
            background-color: var(--primary-bg);
            border-color: var(--primary-deep);
            color: var(--primary-deep);
            transform: translateY(-1px);
        }

        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            border: none;
        }

        .btn-primary:hover {
            background-color: var(--primary-deep);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(31, 78, 121, 0.3);
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .navbar-toggler {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(31, 78, 121, 0.15);
            outline: none;
        }

        /* Breadcrumb */
        .breadcrumb-wrapper {
            padding: 18px 0 0;
        }

        .breadcrumb {
            margin: 0;
            padding: 0;
            background: transparent;
            font-size: 14px;
            color: var(--text-light);
        }

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

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

        .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 500;
        }

        .breadcrumb-item+.breadcrumb-item::before {
            content: '›';
            color: var(--text-light);
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            padding: 56px 0 48px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 78, 121, 0.92) 0%, rgba(31, 78, 121, 0.78) 50%, rgba(58, 106, 158, 0.65) 100%);
            z-index: 1;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            color: #FFFFFF;
        }

        .category-hero h1 {
            font-size: 34px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            color: #FFFFFF;
        }

        .category-hero .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .category-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 13px;
            color: #FFFFFF;
            backdrop-filter: blur(4px);
        }

        /* Security Feature List */
        .feature-wide-card {
            display: flex;
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            margin-bottom: 24px;
            min-height: 280px;
        }

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

        .feature-wide-img {
            flex: 0 0 42%;
            max-width: 42%;
            position: relative;
            overflow: hidden;
            min-height: 100%;
        }

        .feature-wide-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }

        .feature-wide-body {
            flex: 1;
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .feature-wide-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .feature-wide-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 0;
        }

        .feature-tag {
            display: inline-block;
            background: rgba(31, 78, 121, 0.08);
            color: var(--primary);
            border-radius: 20px;
            padding: 3px 12px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .feature-grid-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .feature-grid-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-focus);
        }

        .feature-grid-card .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--primary-bg-deep) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .feature-grid-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .feature-grid-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* Security Process Timeline */
        .process-step {
            display: flex;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border-light);
            position: relative;
        }

        .process-step:last-child {
            border-bottom: none;
        }

        .process-step-number {
            flex: 0 0 48px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 100%);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(31, 78, 121, 0.25);
        }

        .process-step-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .process-step-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* Scenario Alternating */
        .scenario-row {
            margin-bottom: 48px;
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .scenario-row:last-child {
            margin-bottom: 0;
        }

        .scenario-row.image-right {
            flex-direction: row-reverse;
        }

        .scenario-img {
            flex: 0 0 48%;
            max-width: 48%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-light);
        }

        .scenario-img img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .scenario-text {
            flex: 1;
        }

        .scenario-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .scenario-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .scenario-text .scenario-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .scenario-text .scenario-tag {
            background: var(--primary-bg);
            color: var(--primary);
            border-radius: 16px;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 500;
            border: 1px solid rgba(31, 78, 121, 0.15);
        }

        /* Stats Bar */
        .stats-bar {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 50%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            color: #FFFFFF;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            justify-content: space-around;
            box-shadow: 0 8px 24px rgba(31, 78, 121, 0.25);
        }

        .stats-item {
            text-align: center;
            flex: 1;
            min-width: 140px;
        }

        .stats-item .stats-value {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #FFFFFF;
            line-height: 1.2;
        }

        .stats-item .stats-value.accent {
            color: var(--accent-light);
        }

        .stats-item .stats-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 4px;
        }

        /* FAQ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: box-shadow var(--transition-base);
        }

        .faq-accordion .accordion-item:hover {
            box-shadow: var(--card-shadow-hover);
        }

        .faq-accordion .accordion-button {
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            background-color: #FFFFFF;
            border: none;
            border-radius: var(--radius-md) !important;
            position: relative;
            padding-left: 56px;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background-color: #F7FAFD;
            color: var(--primary);
            box-shadow: none;
        }

        .faq-accordion .accordion-button::before {
            content: attr(data-number);
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(31, 78, 121, 0.08);
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-accordion .accordion-button::after {
            width: 18px;
            height: 18px;
            background-size: 18px;
            transition: transform 0.3s ease;
        }

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

        .faq-accordion .accordion-body {
            padding: 16px 20px 18px 56px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            background-color: #F7FAFD;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(31, 78, 121, 0.12);
            outline: none;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #FFFFFF;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-accent {
            background-color: var(--accent);
            color: #FFFFFF;
            border: none;
        }

        .cta-section .btn-accent:hover {
            background-color: var(--accent-deep);
        }

        .cta-section .btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .cta-section .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background-color: #1C2B3A;
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
            margin-top: 0;
            border-top: 3px solid var(--primary);
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .site-footer .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            font-size: 16px;
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-heading {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
        }

        .footer-bottom a:hover {
            color: #FFFFFF;
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: #FFFFFF;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                padding: 16px 20px;
                box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
                border: 1px solid var(--border-light);
                border-top: none;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }

            .navbar-nav {
                gap: 2px !important;
                margin-bottom: 12px;
            }

            .nav-cta-group {
                flex-direction: column;
                width: 100%;
                gap: 8px;
                padding-top: 12px;
                border-top: 1px solid var(--border-light);
            }

            .nav-cta-group .btn {
                width: 100%;
                text-align: center;
            }

            .category-hero {
                min-height: 260px;
                padding: 40px 0 36px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .feature-wide-card {
                flex-direction: column;
            }

            .feature-wide-img {
                flex: 0 0 auto;
                max-width: 100%;
                height: 200px;
                min-height: auto;
                position: relative;
            }

            .feature-wide-img img {
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
            }

            .feature-wide-body {
                padding: 24px;
            }

            .scenario-row,
            .scenario-row.image-right {
                flex-direction: column;
                gap: 20px;
            }

            .scenario-img,
            .scenario-row.image-right .scenario-img {
                flex: 0 0 auto;
                max-width: 100%;
            }

            .scenario-img img {
                height: 200px;
            }

            .stats-bar {
                padding: 28px 20px;
                gap: 16px;
            }

            .stats-item .stats-value {
                font-size: 24px;
            }

            .cta-section {
                padding: 36px 24px;
            }
        }

        @media (max-width: 767.98px) {
            .section-padding {
                padding-top: 48px;
                padding-bottom: 48px;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .feature-grid-card {
                padding: 20px;
            }

            .process-step {
                flex-direction: column;
                gap: 12px;
                padding: 18px 0;
            }

            .process-step-number {
                flex: 0 0 40px;
                width: 40px;
                height: 40px;
                font-size: 16px;
            }

            .feature-wide-body {
                padding: 18px;
            }

            .feature-wide-body h3 {
                font-size: 18px;
            }

            .category-hero {
                min-height: 220px;
                padding: 32px 0 28px;
            }

            .category-hero h1 {
                font-size: 22px;
            }

            .category-hero .hero-desc {
                font-size: 14px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .stats-bar {
                flex-direction: column;
                text-align: center;
            }

            .stats-item {
                min-width: auto;
            }
        }

        @media (max-width: 575.98px) {
            .site-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-header .navbar-brand {
                font-size: 17px;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .category-hero .hero-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .cta-section h2 {
                font-size: 20px;
            }

            .faq-accordion .accordion-button {
                font-size: 14px;
                padding: 14px 14px 14px 50px;
            }

            .faq-accordion .accordion-body {
                padding: 12px 14px 14px 50px;
            }

            .faq-accordion .accordion-button::before {
                left: 14px;
                width: 24px;
                height: 24px;
                font-size: 12px;
            }
        }