/* roulang page: index */
:root {
            --color-brand: #1D4ED8;
            --color-brand-dark: #1E3A8A;
            --color-accent: #F97316;
            --color-accent-dark: #EA580C;
            --color-surface: #F8FAFC;
            --color-card: #FFFFFF;
            --color-muted: #F1F5F9;
            --color-text-primary: #1E293B;
            --color-text-secondary: #64748B;
            --color-text-inverse: #FFFFFF;
            --color-border: #CBD5E1;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.06);
            --transition-base: 0.25s ease;
        }

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

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-surface);
            min-height: 100vh;
        }

        a {
            color: var(--color-brand);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--color-brand-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            box-shadow: var(--shadow-nav);
            height: 60px;
            display: flex;
            align-items: center;
        }
        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            height: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--color-brand);
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            text-decoration: none;
            color: var(--color-brand-dark);
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-brand);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: none;
            gap: 0.25rem;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: block;
            padding: 0.5rem 0.85rem;
            border-radius: 0.4rem;
            color: #475569;
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: color var(--transition-base), background var(--transition-base);
            text-decoration: none;
        }
        .nav-links a:hover {
            color: var(--color-brand);
            background: #f1f5f9;
            text-decoration: none;
        }
        .nav-links a.active {
            color: var(--color-brand);
            font-weight: 700;
            background: #EBF0FF;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
            .nav-links-left {
                display: flex;
                gap: 0.25rem;
                align-items: center;
                list-style: none;
                margin: 0;
                padding: 0;
            }
            .nav-links-right {
                display: flex;
                gap: 0.25rem;
                align-items: center;
                list-style: none;
                margin: 0;
                padding: 0;
            }
            .nav-links-left a,
            .nav-links-right a {
                display: block;
                padding: 0.5rem 0.85rem;
                border-radius: 0.4rem;
                color: #475569;
                font-size: 0.9rem;
                font-weight: 500;
                white-space: nowrap;
                transition: color var(--transition-base), background var(--transition-base);
                text-decoration: none;
            }
            .nav-links-left a:hover,
            .nav-links-right a:hover {
                color: var(--color-brand);
                background: #f1f5f9;
                text-decoration: none;
            }
            .nav-links-left a.active,
            .nav-links-right a.active {
                color: var(--color-brand);
                font-weight: 700;
                background: #EBF0FF;
            }
        }
        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: none;
            color: #475569;
            font-size: 1.5rem;
            padding: 0;
            flex-shrink: 0;
        }
        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 99;
            flex-direction: column;
            padding: 1rem;
            overflow-y: auto;
            animation: fadeInDown 0.25s ease;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 0.85rem 1rem;
            border-radius: 0.5rem;
            color: #475569;
            font-size: 1rem;
            font-weight: 500;
            text-decoration: none;
            border-bottom: 1px solid #f1f5f9;
            transition: background var(--transition-base), color var(--transition-base);
        }
        .mobile-menu a:hover {
            background: #f8fafc;
            color: var(--color-brand);
            text-decoration: none;
        }
        .mobile-menu a.active {
            color: var(--color-brand);
            font-weight: 700;
            background: #EBF0FF;
        }
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Sections */
        .section {
            padding: 4rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 5rem 0;
            }
        }
        .section-alt {
            background: var(--color-muted);
        }
        .section-dark {
            background: #0F172A;
            color: #CBD5E1;
        }

        /* Cards */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .card-no-hover {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }

        /* Buttons */
        .btn {
            display: inline-block;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            transition: all var(--transition-base);
            border: 2px solid transparent;
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-brand);
            color: #fff;
            border-color: var(--color-brand);
        }
        .btn-primary:hover {
            background: var(--color-brand-dark);
            border-color: var(--color-brand-dark);
            text-decoration: none;
            color: #fff;
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }
        .btn-accent:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            text-decoration: none;
            color: #fff;
            transform: scale(1.04);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-brand);
            border-color: var(--color-brand);
        }
        .btn-outline:hover {
            background: var(--color-brand);
            color: #fff;
            text-decoration: none;
        }
        .btn-lg {
            padding: 1rem 2rem;
            font-size: 1.05rem;
        }
        .btn-sm {
            padding: 0.45rem 1rem;
            font-size: 0.85rem;
        }

        /* Badge / Tag */
        .badge {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            background: #FFF7ED;
            color: var(--color-accent);
        }
        .badge-blue {
            background: #EBF0FF;
            color: var(--color-brand);
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 0.5rem;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-primary);
            text-align: left;
            cursor: pointer;
            transition: background var(--transition-base);
            gap: 1rem;
        }
        .faq-question:hover {
            background: #f8fafc;
        }
        .faq-item.open .faq-question {
            background: #F0F4FF;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            transition: transform var(--transition-base), background var(--transition-base);
            color: #475569;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-brand);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 0.5rem 1.1rem 0.5rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* Form */
        .form-input {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid #CBD5E1;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
            background: #fff;
            outline: none;
        }
        .form-input:focus {
            border-color: var(--color-brand);
            box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
        }
        .form-select {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid #CBD5E1;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            background: #fff;
            outline: none;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%2364748B'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 1rem center;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .form-select:focus {
            border-color: var(--color-brand);
            box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 3rem 0 2rem;
        }
        .site-footer a {
            color: #94A3B8;
            transition: color var(--transition-base);
            text-decoration: none;
        }
        .site-footer a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-divider {
            border-top: 1px solid #1E293B;
            margin: 1.5rem 0;
        }

        /* Responsive helpers */
        @media (max-width: 767px) {
            .hide-mobile {
                display: none !important;
            }
            h1 {
                font-size: 2rem !important;
            }
            h2 {
                font-size: 1.6rem !important;
            }
            h3 {
                font-size: 1.25rem !important;
            }
            .section {
                padding: 2.5rem 0;
            }
            .card:hover {
                transform: none;
            }
        }
        @media (min-width: 768px) {
            .show-mobile-only {
                display: none !important;
            }
        }
        @media (max-width: 1023px) {
            .nav-desktop-only {
                display: none !important;
            }
        }
        @media (min-width: 1024px) {
            .nav-desktop-only {
                display: flex;
            }
        }

        /* Countdown */
        .countdown-digit {
            display: inline-block;
            background: #fff;
            color: var(--color-accent);
            font-weight: 800;
            font-size: 1.5rem;
            padding: 0.3rem 0.6rem;
            border-radius: 0.4rem;
            min-width: 2.5rem;
            text-align: center;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
        }
        @media (min-width: 768px) {
            .countdown-digit {
                font-size: 2rem;
                padding: 0.4rem 0.8rem;
                min-width: 3rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-brand: #1D4ED8;
            --color-brand-dark: #1E3A8A;
            --color-accent: #F97316;
            --color-accent-dark: #EA580C;
            --color-surface: #F8FAFC;
            --color-card: #FFFFFF;
            --color-muted: #F1F5F9;
            --color-text-primary: #1E293B;
            --color-text-secondary: #64748B;
            --color-text-inverse: #FFFFFF;
            --color-border: #CBD5E1;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.06);
            --transition-base: 0.25s ease;
        }

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-surface);
            min-height: 100vh;
        }

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

        a:hover {
            color: var(--color-brand-dark);
            text-decoration: underline;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            box-shadow: var(--shadow-nav);
            height: 60px;
            display: flex;
            align-items: center;
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            height: 100%;
            position: relative;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--color-brand);
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            z-index: 101;
        }

        .nav-logo:hover {
            text-decoration: none;
            color: var(--color-brand-dark);
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-brand);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-desktop-only {
            display: none;
            gap: 0.25rem;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .nav-desktop-only {
                display: flex;
            }
        }

        .nav-desktop-only a {
            display: block;
            padding: 0.5rem 0.85rem;
            border-radius: 0.4rem;
            color: #475569;
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: color var(--transition-base), background var(--transition-base);
            text-decoration: none;
        }

        .nav-desktop-only a:hover {
            color: var(--color-brand);
            background: #f1f5f9;
            text-decoration: none;
        }

        .nav-desktop-only a.active {
            color: var(--color-brand);
            font-weight: 700;
            background: #EBF0FF;
        }

        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: none;
            color: #475569;
            padding: 0;
            flex-shrink: 0;
            z-index: 102;
        }

        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

        .show-mobile-only {
            display: block;
        }

        @media (min-width: 1024px) {
            .show-mobile-only {
                display: none;
            }
        }

        /* Mobile menu overlay */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 99;
            flex-direction: column;
            padding: 1.5rem;
            gap: 0.5rem;
            overflow-y: auto;
        }

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

        .mobile-menu-overlay a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: 0.5rem;
            color: #475569;
            font-size: 1rem;
            font-weight: 500;
            text-decoration: none;
            transition: background var(--transition-base);
        }

        .mobile-menu-overlay a:hover,
        .mobile-menu-overlay a.active {
            background: #EBF0FF;
            color: var(--color-brand);
            font-weight: 700;
            text-decoration: none;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.25rem;
            align-items: center;
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            padding: 1rem 0;
        }

        .breadcrumb a {
            color: var(--color-text-secondary);
            text-decoration: none;
        }

        .breadcrumb a:hover {
            color: var(--color-brand);
            text-decoration: underline;
        }

        .breadcrumb .separator {
            margin: 0 0.25rem;
            color: #94A3B8;
        }

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

        /* Hero Banner */
        .hero-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 380px;
            display: flex;
            align-items: center;
            z-index: 1;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(29, 78, 216, 0.88) 0%, rgba(30, 58, 138, 0.82) 100%);
            z-index: 2;
        }

        .hero-banner .hero-content {
            position: relative;
            z-index: 3;
            width: 100%;
            padding: 3rem 0;
        }

        .hero-banner .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1rem;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .hero-banner h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .hero-banner .hero-subtitle {
            font-size: 1.125rem;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.6;
            max-width: 600px;
        }

        @media (min-width: 768px) {
            .hero-banner h1 {
                font-size: 3rem;
            }
            .hero-banner .hero-subtitle {
                font-size: 1.25rem;
            }
            .hero-banner {
                min-height: 420px;
            }
        }

        /* Section */
        .section {
            padding: 3rem 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 4rem 0;
            }
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 0.5rem;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 2rem;
            max-width: 650px;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }

        /* Cards */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            overflow: hidden;
        }

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

        .card-body {
            padding: 1.5rem;
        }

        /* Stat cards */
        .stat-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 1.5rem;
            text-align: center;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        .stat-card .stat-number {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--color-brand);
            line-height: 1.2;
        }

        .stat-card .stat-label {
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            margin-top: 0.25rem;
        }

        /* Buttons */
        .btn {
            display: inline-block;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            transition: all var(--transition-base);
            border: 2px solid transparent;
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--color-brand-dark);
            border-color: var(--color-brand-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            padding: 0.85rem 2rem;
            font-size: 1rem;
        }

        .btn-accent:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #fff;
            text-decoration: none;
            transform: scale(1.03);
        }

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

        .btn-outline:hover {
            background: var(--color-brand);
            color: #fff;
            text-decoration: none;
        }

        /* Tags */
        .tag {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 500;
            background: #EBF0FF;
            color: var(--color-brand);
            white-space: nowrap;
        }

        .tag-accent {
            background: #FFF7ED;
            color: var(--color-accent);
        }

        /* Compare table */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.9rem;
        }

        .compare-table thead th {
            background: var(--color-brand);
            color: #fff;
            padding: 0.85rem 1rem;
            text-align: left;
            font-weight: 600;
            white-space: nowrap;
        }

        .compare-table tbody td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid #E2E8F0;
            color: var(--color-text-primary);
        }

        .compare-table tbody tr:nth-child(even) {
            background: #F8FAFC;
        }

        .compare-table tbody tr:hover {
            background: #EBF0FF;
        }

        .compare-table .highlight-cell {
            font-weight: 700;
            color: var(--color-brand);
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid #E2E8F0;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 1rem 0;
            background: none;
            border: none;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-primary);
            cursor: pointer;
            transition: color var(--transition-base);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            transition: transform var(--transition-base);
            color: var(--color-text-secondary);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-brand);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 1rem;
        }

        .faq-item.open .faq-question {
            color: var(--color-brand);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #1D4ED8 0%, #1E3A8A 100%);
            border-radius: 1rem;
            padding: 2.5rem 1.5rem;
            color: #fff;
            text-align: center;
        }

        @media (min-width: 768px) {
            .cta-section {
                padding: 3.5rem 2.5rem;
            }
        }

        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.5rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
            max-width: 520px;
            margin: 0 auto;
        }

        .cta-section input,
        .cta-section select {
            flex: 1 1 200px;
            padding: 0.75rem 1rem;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            font-size: 0.95rem;
            background: #fff;
            color: var(--color-text-primary);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .cta-section input:focus,
        .cta-section select:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.25);
        }

        .cta-section .btn-accent {
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 2.5rem 0 2rem;
            margin-top: 3rem;
        }

        .site-footer a {
            color: #94A3B8;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .site-footer a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-divider {
            border-top: 1px solid #1E293B;
            margin: 1.5rem 0;
        }

        /* Image rounded */
        .img-rounded {
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }

        /* Responsive adjustments */
        @media (max-width: 767px) {
            .hero-banner h1 {
                font-size: 2rem;
            }
            .hero-banner {
                min-height: 300px;
            }
            .stat-card .stat-number {
                font-size: 1.75rem;
            }
            .section {
                padding: 2rem 0;
            }
            .cta-section {
                padding: 2rem 1rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-brand: #1D4ED8;
            --color-brand-dark: #1E3A8A;
            --color-accent: #F97316;
            --color-accent-dark: #EA580C;
            --color-surface: #F8FAFC;
            --color-card: #FFFFFF;
            --color-muted: #F1F5F9;
            --color-text-primary: #1E293B;
            --color-text-secondary: #64748B;
            --color-text-inverse: #FFFFFF;
            --color-border: #CBD5E1;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.06);
            --transition-base: 0.25s ease;
        }

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-surface);
            min-height: 100vh;
        }

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

        a:hover {
            color: var(--color-brand-dark);
            text-decoration: underline;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            box-shadow: var(--shadow-nav);
            height: 60px;
            display: flex;
            align-items: center;
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            height: 100%;
            position: relative;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--color-brand);
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            z-index: 101;
        }

        .nav-logo:hover {
            text-decoration: none;
            color: var(--color-brand-dark);
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-brand);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-desktop-only {
            display: none;
            gap: 0.25rem;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .nav-desktop-only {
                display: flex;
            }
        }

        .nav-links-left {
            display: none;
            gap: 0.25rem;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .nav-links-left {
                display: flex;
            }
        }

        .nav-links-right {
            display: none;
            gap: 0.25rem;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .nav-links-right {
                display: flex;
            }
        }

        .nav-links-left a,
        .nav-links-right a {
            display: block;
            padding: 0.5rem 0.85rem;
            border-radius: 0.4rem;
            color: #475569;
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: color var(--transition-base), background var(--transition-base);
            text-decoration: none;
        }

        .nav-links-left a:hover,
        .nav-links-right a:hover {
            color: var(--color-brand);
            background: #f1f5f9;
            text-decoration: none;
        }

        .nav-links-left a.active,
        .nav-links-right a.active {
            color: var(--color-brand);
            font-weight: 700;
            background: #EBF0FF;
        }

        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: none;
            color: #475569;
            font-size: 1.5rem;
            padding: 0;
            flex-shrink: 0;
            z-index: 102;
            position: relative;
        }

        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

        .show-mobile-only {
            display: block;
        }

        @media (min-width: 1024px) {
            .show-mobile-only {
                display: none;
            }
        }

        /* Mobile menu panel */
        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 99;
            padding: 1.5rem;
            overflow-y: auto;
            flex-direction: column;
            gap: 0.25rem;
            animation: fadeInDown 0.3s ease;
        }

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

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .mobile-menu-panel a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: 0.5rem;
            color: #475569;
            font-size: 1rem;
            font-weight: 500;
            text-decoration: none;
            transition: background var(--transition-base), color var(--transition-base);
        }

        .mobile-menu-panel a:hover {
            background: #f1f5f9;
            color: var(--color-brand);
            text-decoration: none;
        }

        .mobile-menu-panel a.active {
            color: var(--color-brand);
            font-weight: 700;
            background: #EBF0FF;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            padding: 0.75rem 0;
        }

        .breadcrumb a {
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--color-brand);
            text-decoration: none;
        }

        .breadcrumb .separator {
            color: #94A3B8;
            font-size: 0.8rem;
        }

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

        /* Hero section */
        .hero-fullwidth {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 55vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
        }

        .hero-fullwidth .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.75) 0%, rgba(15, 23, 42, 0.55) 40%, rgba(30, 58, 138, 0.7) 100%);
            z-index: 1;
        }

        .hero-fullwidth .hero-content {
            position: relative;
            z-index: 2;
            padding: 2rem 1.5rem;
            max-width: 800px;
        }

        .hero-fullwidth .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }

        /* Cards */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 1.5rem;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        .stat-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 1.5rem;
            text-align: center;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        .stat-card .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-brand);
            line-height: 1.1;
            margin-bottom: 0.35rem;
        }

        .stat-card .stat-label {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* Buttons */
        .btn {
            display: inline-block;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            border: none;
            text-decoration: none;
            line-height: 1.4;
        }

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

        .btn-primary:hover {
            background: var(--color-brand-dark);
            text-decoration: none;
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            font-size: 1rem;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-btn);
        }

        .btn-accent:hover {
            background: var(--color-accent-dark);
            text-decoration: none;
            color: #fff;
            transform: scale(1.03);
            box-shadow: 0 8px 20px rgba(249, 115, 22, 0.35);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-brand);
            color: var(--color-brand);
        }

        .btn-outline:hover {
            background: var(--color-brand);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }

        /* Blockquote */
        .blockquote-custom {
            background: #EBF0FF;
            border-left: 5px solid var(--color-brand);
            padding: 1.5rem 2rem;
            border-radius: 0 0.75rem 0.75rem 0;
            margin: 2rem 0;
            font-style: italic;
            color: var(--color-text-primary);
            font-size: 1.05rem;
            line-height: 1.8;
            position: relative;
        }

        .blockquote-custom::before {
            content: '"';
            position: absolute;
            left: 1rem;
            top: 0.25rem;
            font-size: 4rem;
            color: var(--color-brand);
            opacity: 0.2;
            font-weight: 900;
            line-height: 1;
            pointer-events: none;
        }

        .blockquote-custom .blockquote-author {
            margin-top: 0.75rem;
            font-style: normal;
            font-weight: 600;
            color: var(--color-brand);
            font-size: 0.9rem;
        }

        /* Highlight box */
        .highlight-box {
            background: linear-gradient(135deg, #EBF0FF 0%, #F0F4FF 100%);
            border: 1px solid #C7D2FE;
            border-radius: var(--radius-card);
            padding: 1.5rem 2rem;
            margin: 2rem 0;
        }

        .highlight-box .highlight-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-brand);
            line-height: 1;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid #E2E8F0;
            overflow: hidden;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 1rem 0.5rem;
            background: none;
            border: none;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-primary);
            cursor: pointer;
            transition: background var(--transition-base);
            gap: 1rem;
        }

        .faq-question:hover {
            background: #f8fafc;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-brand);
            transition: transform var(--transition-base);
        }

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

        .faq-item.open .faq-question {
            background: #F0F4FF;
            color: var(--color-brand);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 0.5rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0.5rem 1rem;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, #1D4ED8 0%, #1E3A8A 100%);
            border-radius: 1rem;
            padding: 3rem 2rem;
            text-align: center;
            color: #fff;
            margin: 3rem 0;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.5rem;
            font-size: 1rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 2.5rem 0;
            font-size: 0.9rem;
        }

        .site-footer a {
            color: #94A3B8;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .site-footer a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-divider {
            border-top: 1px solid #1E293B;
            margin: 1.25rem 0;
        }

        /* Section spacing */
        .section-py {
            padding-top: 3rem;
            padding-bottom: 3rem;
        }

        @media (min-width: 768px) {
            .section-py {
                padding-top: 4rem;
                padding-bottom: 4rem;
            }
        }

        /* Responsive adjustments */
        @media (max-width: 767px) {
            .hero-fullwidth {
                min-height: 40vh;
            }
            .hero-fullwidth .hero-content h1 {
                font-size: 1.75rem;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .blockquote-custom {
                padding: 1.25rem 1.5rem;
                font-size: 0.95rem;
            }
            .cta-section {
                padding: 2rem 1.25rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .hero-fullwidth .hero-content {
                padding: 1.5rem 1rem;
            }
            .stat-card {
                padding: 1rem;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .highlight-box {
                padding: 1rem 1.25rem;
            }
            .highlight-box .highlight-number {
                font-size: 1.6rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-brand: #1D4ED8;
            --color-brand-dark: #1E3A8A;
            --color-accent: #F97316;
            --color-accent-dark: #EA580C;
            --color-surface: #F8FAFC;
            --color-card: #FFFFFF;
            --color-muted: #F1F5F9;
            --color-text-primary: #1E293B;
            --color-text-secondary: #64748B;
            --color-text-inverse: #FFFFFF;
            --color-border: #CBD5E1;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.06);
            --transition-base: 0.25s ease;
        }

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-surface);
            min-height: 100vh;
        }

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

        a:hover {
            color: var(--color-brand-dark);
            text-decoration: underline;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            box-shadow: var(--shadow-nav);
            height: 60px;
            display: flex;
            align-items: center;
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            height: 100%;
            position: relative;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--color-brand);
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            z-index: 10;
        }

        .nav-logo:hover {
            text-decoration: none;
            color: var(--color-brand-dark);
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-brand);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-desktop-only {
            display: none;
        }

        @media (min-width: 1024px) {
            .nav-desktop-only {
                display: flex;
            }
        }

        .nav-links-left,
        .nav-links-right {
            display: none;
            gap: 0.25rem;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .nav-links-left,
            .nav-links-right {
                display: flex;
            }
        }

        .nav-links-left a,
        .nav-links-right a {
            display: block;
            padding: 0.5rem 0.85rem;
            border-radius: 0.4rem;
            color: #475569;
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: color var(--transition-base), background var(--transition-base);
            text-decoration: none;
        }

        .nav-links-left a:hover,
        .nav-links-right a:hover {
            color: var(--color-brand);
            background: #f1f5f9;
            text-decoration: none;
        }

        .nav-links-left a.active,
        .nav-links-right a.active {
            color: var(--color-brand);
            font-weight: 700;
            background: #EBF0FF;
        }

        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: none;
            color: #475569;
            font-size: 1.5rem;
            padding: 0;
            flex-shrink: 0;
            z-index: 20;
        }

        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

        .show-mobile-only {
            display: block;
        }

        @media (min-width: 1024px) {
            .show-mobile-only {
                display: none;
            }
        }

        /* Mobile Menu */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 99;
            flex-direction: column;
            padding: 2rem 1.5rem;
            gap: 0.5rem;
            overflow-y: auto;
        }

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

        .mobile-menu-overlay a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: 0.5rem;
            color: #1E293B;
            font-size: 1.05rem;
            font-weight: 600;
            text-decoration: none;
            transition: background var(--transition-base);
        }

        .mobile-menu-overlay a:hover {
            background: #f1f5f9;
            text-decoration: none;
        }

        .mobile-menu-overlay a.active {
            color: var(--color-brand);
            background: #EBF0FF;
            font-weight: 700;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            padding: 1rem 0;
            font-size: 0.875rem;
            color: var(--color-text-secondary);
        }

        .breadcrumb a {
            color: var(--color-text-secondary);
            text-decoration: none;
        }

        .breadcrumb a:hover {
            color: var(--color-brand);
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: #94A3B8;
            user-select: none;
        }

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

        /* Hero */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 40%, #1D4ED8 100%);
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            gap: 2rem;
            width: 100%;
        }

        @media (min-width: 1024px) {
            .hero-content {
                flex-direction: row;
                align-items: center;
                gap: 3rem;
            }
        }

        .hero-left {
            flex: 1;
            color: #fff;
        }

        .hero-left h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 1rem 0;
            color: #fff;
        }

        @media (max-width: 767px) {
            .hero-left h1 {
                font-size: 1.9rem;
            }
        }

        .hero-left .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 1.5rem 0;
            line-height: 1.7;
            max-width: 540px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        .btn-primary {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 0.8rem 1.8rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: all var(--transition-base);
            border: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-accent-dark);
            transform: scale(1.03);
            text-decoration: none;
            color: #fff;
        }

        .btn-secondary {
            display: inline-block;
            background: transparent;
            color: #fff;
            padding: 0.8rem 1.8rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: all var(--transition-base);
            border: 2px solid rgba(255, 255, 255, 0.5);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            text-decoration: none;
            color: #fff;
        }

        .hero-right {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .faux-rank-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 1rem 1.25rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            transition: all var(--transition-base);
        }

        .faux-rank-card:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.3);
        }

        .faux-rank-badge {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .faux-rank-badge.gold {
            background: #F59E0B;
            color: #1E293B;
        }
        .faux-rank-badge.silver {
            background: #94A3B8;
            color: #1E293B;
        }
        .faux-rank-badge.bronze {
            background: #D97706;
            color: #fff;
        }
        .faux-rank-badge.blue {
            background: #3B82F6;
            color: #fff;
        }

        .faux-rank-info {
            flex: 1;
            color: #fff;
        }

        .faux-rank-info .rank-name {
            font-weight: 700;
            font-size: 0.95rem;
            margin: 0;
        }

        .faux-rank-info .rank-stat {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
        }

        .faux-rank-value {
            font-weight: 800;
            font-size: 1.3rem;
            color: #F97316;
            flex-shrink: 0;
        }

        /* Section titles */
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin: 0 0 0.5rem 0;
        }

        @media (max-width: 767px) {
            .section-title {
                font-size: 1.6rem;
            }
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin: 0 0 2rem 0;
            max-width: 600px;
        }

        /* Cards */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 1.5rem;
            transition: all var(--transition-base);
        }

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

        /* Metric cards */
        .metric-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 1.5rem;
            text-align: center;
            transition: all var(--transition-base);
        }

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

        .metric-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-brand);
            line-height: 1;
            margin: 0 0 0.5rem 0;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
        }

        /* Service cards */
        .service-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

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

        .service-card .service-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card .service-title {
            font-weight: 700;
            font-size: 1.15rem;
            margin: 0 0 0.5rem 0;
            color: var(--color-text-primary);
        }

        .service-card .service-desc {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0 0 1rem 0;
            flex: 1;
            line-height: 1.6;
        }

        .service-card .service-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-brand);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            transition: color var(--transition-base);
        }

        .service-card .service-link:hover {
            color: var(--color-brand-dark);
            text-decoration: underline;
        }

        /* Data table */
        .data-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            background: #fff;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.9rem;
        }

        .data-table thead th {
            background: var(--color-brand);
            color: #fff;
            padding: 0.85rem 1rem;
            text-align: left;
            font-weight: 700;
            font-size: 0.85rem;
            white-space: nowrap;
        }

        .data-table tbody td {
            padding: 0.8rem 1rem;
            border-bottom: 1px solid #E2E8F0;
            color: var(--color-text-primary);
        }

        .data-table tbody tr:nth-child(even) {
            background: #F8FAFC;
        }

        .data-table tbody tr:hover {
            background: #EBF0FF;
        }

        .data-table .badge-check {
            display: inline-block;
            background: #DCFCE7;
            color: #166534;
            padding: 0.2rem 0.6rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .data-table .badge-partial {
            display: inline-block;
            background: #FEF3C7;
            color: #92400E;
            padding: 0.2rem 0.6rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* Scenario cards */
        .scenario-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 1.5rem;
            border-left: 4px solid var(--color-brand);
            transition: all var(--transition-base);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-left-color: var(--color-accent);
        }

        .scenario-card .scenario-icon {
            width: 44px;
            height: 44px;
            background: #EBF0FF;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 0.75rem;
            font-size: 1.4rem;
            color: var(--color-brand);
        }

        .scenario-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin: 0 0 0.4rem 0;
            color: var(--color-text-primary);
        }

        .scenario-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid #E2E8F0;
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 1rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-primary);
            text-align: left;
            cursor: pointer;
            transition: color var(--transition-base);
        }

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

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: #E2E8F0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            transition: all var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 0;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0 1rem 0;
        }

        .faq-item.open {
            background: #F8FAFE;
        }

        /* CTA Form */
        .cta-form-section {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 2.5rem;
            max-width: 600px;
            margin: 0 auto;
        }

        @media (max-width: 767px) {
            .cta-form-section {
                padding: 1.5rem;
            }
        }

        .form-input {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-btn);
            font-size: 1rem;
            transition: all var(--transition-base);
            background: #fff;
            box-sizing: border-box;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--color-brand);
            box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
        }

        .form-select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-btn);
            font-size: 1rem;
            transition: all var(--transition-base);
            background: #fff;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2364748B' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 1rem center;
            background-size: 16px 12px;
            box-sizing: border-box;
        }

        .form-select:focus {
            outline: none;
            border-color: var(--color-brand);
            box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
        }

        .btn-submit {
            width: 100%;
            padding: 0.9rem 1.5rem;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .btn-submit:hover {
            background: var(--color-accent-dark);
            transform: scale(1.03);
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 2.5rem 0;
            margin-top: 3rem;
        }

        .site-footer a {
            color: #94A3B8;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .site-footer a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-divider {
            height: 1px;
            background: #1E293B;
            margin: 1.5rem 0;
        }

        /* Utility */
        .text-accent {
            color: var(--color-accent);
        }

        .bg-muted {
            background: var(--color-muted);
        }

        .section-padding {
            padding: 4rem 0;
        }

        @media (max-width: 767px) {
            .section-padding {
                padding: 2.5rem 0;
            }
        }

        .tag {
            display: inline-block;
            background: #EBF0FF;
            color: var(--color-brand);
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .highlight-box {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 2rem;
            border: 1px solid #E2E8F0;
        }

        @media (max-width: 767px) {
            .highlight-box {
                padding: 1.25rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-brand: #1D4ED8;
            --color-brand-dark: #1E3A8A;
            --color-accent: #F97316;
            --color-accent-dark: #EA580C;
            --color-surface: #F8FAFC;
            --color-card: #FFFFFF;
            --color-muted: #F1F5F9;
            --color-text-primary: #1E293B;
            --color-text-secondary: #64748B;
            --color-text-inverse: #FFFFFF;
            --color-border: #CBD5E1;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.06);
            --transition-base: 0.25s ease;
        }

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-surface);
            min-height: 100vh;
        }

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

        a:hover {
            color: var(--color-brand-dark);
            text-decoration: underline;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            box-shadow: var(--shadow-nav);
            height: 60px;
            display: flex;
            align-items: center;
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--color-brand);
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            text-decoration: none;
            color: var(--color-brand-dark);
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-brand);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-desktop-only {
            display: none;
            gap: 0.25rem;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .nav-desktop-only {
                display: flex;
            }
        }

        .nav-desktop-only a {
            display: block;
            padding: 0.5rem 0.85rem;
            border-radius: 0.4rem;
            color: #475569;
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: color var(--transition-base), background var(--transition-base);
            text-decoration: none;
        }

        .nav-desktop-only a:hover {
            color: var(--color-brand);
            background: #f1f5f9;
            text-decoration: none;
        }

        .nav-desktop-only a.active {
            color: var(--color-brand);
            font-weight: 700;
            background: #EBF0FF;
        }

        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: none;
            color: #475569;
            font-size: 1.5rem;
            padding: 0;
            flex-shrink: 0;
            z-index: 110;
        }

        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

        .show-mobile-only {
            display: flex;
        }

        @media (min-width: 1024px) {
            .show-mobile-only {
                display: none;
            }
        }

        /* Mobile Menu Overlay */
        .mobile-menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 23, 42, 0.6);
            z-index: 105;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .mobile-menu-overlay.active {
            opacity: 1;
            pointer-events: all;
        }

        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100%;
            background: #fff;
            z-index: 106;
            padding: 1.5rem;
            overflow-y: auto;
            transition: right 0.3s ease;
            box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
        }

        .mobile-menu-panel.active {
            right: 0;
        }

        .mobile-menu-panel ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .mobile-menu-panel a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: 0.5rem;
            color: #1E293B;
            font-weight: 500;
            font-size: 1rem;
            text-decoration: none;
            transition: background var(--transition-base);
        }

        .mobile-menu-panel a:hover {
            background: #f1f5f9;
            text-decoration: none;
        }

        .mobile-menu-panel a.active {
            color: var(--color-brand);
            font-weight: 700;
            background: #EBF0FF;
        }

        .mobile-menu-panel .mobile-close-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: none;
            color: #475569;
            font-size: 1.5rem;
            margin-bottom: 0.75rem;
            padding: 0;
            cursor: pointer;
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 55vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 4rem 1.5rem;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(29, 78, 216, 0.85) 0%, rgba(30, 58, 138, 0.9) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-content h1 {
            color: #fff;
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        .hero-content p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.15rem;
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 1.85rem;
            }
            .hero-content p {
                font-size: 1rem;
            }
            .hero-section {
                min-height: 45vh;
                padding: 3rem 1rem;
            }
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            padding: 1rem 0;
            margin-bottom: 0;
        }

        .breadcrumb a {
            color: var(--color-brand);
            font-weight: 500;
        }

        .breadcrumb span {
            color: #94A3B8;
        }

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

        /* Section */
        .section {
            padding: 4rem 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 2.5rem 0;
            }
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: 2.5rem;
            max-width: 700px;
        }

        /* Data Cards */
        .data-stat-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        .data-stat-card .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-brand);
            line-height: 1.1;
        }

        .data-stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-top: 0.5rem;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 2rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--color-brand), var(--color-brand-dark));
            border-radius: 3px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 2.5rem;
            padding-left: 2rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2rem;
            top: 0.5rem;
            width: 14px;
            height: 14px;
            background: var(--color-brand);
            border-radius: 50%;
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--color-brand);
            z-index: 2;
        }

        .timeline-item .timeline-year {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 0.35rem;
            letter-spacing: 0.03em;
        }

        .timeline-item .timeline-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 0.5rem;
        }

        .timeline-item .timeline-desc {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .timeline {
                padding-left: 1.5rem;
            }
            .timeline-item {
                padding-left: 1.5rem;
                margin-bottom: 2rem;
            }
            .timeline-item::before {
                left: -1.5rem;
                width: 12px;
                height: 12px;
            }
        }

        /* Feature Block */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            margin-bottom: 3rem;
        }

        .feature-block.reverse {
            direction: rtl;
        }

        .feature-block.reverse>* {
            direction: ltr;
        }

        .feature-block .feature-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .feature-block .feature-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .feature-block .feature-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 0.75rem;
        }

        .feature-block .feature-text p {
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 0.75rem;
        }

        @media (max-width: 768px) {
            .feature-block {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .feature-block.reverse {
                direction: ltr;
            }
        }

        /* Search Block */
        .search-block {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 2rem;
            box-shadow: var(--shadow-card);
            margin-bottom: 2rem;
        }

        .search-block .search-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: flex-end;
        }

        .search-block input,
        .search-block select {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            flex: 1;
            min-width: 160px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
            background: #fff;
        }

        .search-block input:focus,
        .search-block select:focus {
            outline: none;
            border-color: var(--color-brand);
            box-shadow: 0 0 0 2px rgba(29, 78, 216, 0.15);
        }

        /* CTA Button */
        .btn-accent {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            text-decoration: none;
            font-size: 1rem;
            transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: var(--color-accent-dark);
            transform: scale(1.04);
            box-shadow: 0 6px 18px rgba(249, 115, 22, 0.35);
            text-decoration: none;
            color: #fff;
        }

        .btn-brand {
            display: inline-block;
            background: var(--color-brand);
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            text-decoration: none;
            font-size: 0.95rem;
            transition: background var(--transition-base), transform var(--transition-base);
        }

        .btn-brand:hover {
            background: var(--color-brand-dark);
            transform: translateY(-1px);
            text-decoration: none;
            color: #fff;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid #E2E8F0;
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 1.1rem 0;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: color var(--transition-base);
            gap: 1rem;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: #F1F5F9;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-brand);
            transition: transform var(--transition-base), background var(--transition-base);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: #EBF0FF;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding-bottom: 1.1rem;
        }

        .faq-item.active {
            background: #FAFBFF;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 2.5rem 0;
            margin-top: 2rem;
        }

        .site-footer a {
            color: #94A3B8;
            transition: color var(--transition-base);
        }

        .site-footer a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-divider {
            border-top: 1px solid #1E293B;
            margin: 1.5rem 0;
        }

        /* CTA Form Section */
        .cta-form-section {
            background: linear-gradient(135deg, #F0F4FF 0%, #E8EEFF 100%);
            border-radius: var(--radius-card);
            padding: 3rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .cta-form-section input,
        .cta-form-section select {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 0.8rem 1rem;
            font-size: 0.95rem;
            width: 100%;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
            background: #fff;
        }

        .cta-form-section input:focus,
        .cta-form-section select:focus {
            outline: none;
            border-color: var(--color-brand);
            box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .data-stat-card .stat-number {
                font-size: 1.75rem;
            }
        }

        /* Tag */
        .tag {
            display: inline-block;
            background: #EBF0FF;
            color: var(--color-brand);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 0.7rem;
            border-radius: 20px;
            letter-spacing: 0.02em;
        }

        .tag-accent {
            background: #FFF7ED;
            color: var(--color-accent);
        }

/* roulang page: category5 */
:root {
            --color-brand: #1D4ED8;
            --color-brand-dark: #1E3A8A;
            --color-accent: #F97316;
            --color-accent-dark: #EA580C;
            --color-surface: #F8FAFC;
            --color-card: #FFFFFF;
            --color-muted: #F1F5F9;
            --color-text-primary: #1E293B;
            --color-text-secondary: #64748B;
            --color-text-inverse: #FFFFFF;
            --color-border: #CBD5E1;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.06);
            --transition-base: 0.25s ease;
        }

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-surface);
            min-height: 100vh;
        }

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

        a:hover {
            color: var(--color-brand-dark);
            text-decoration: underline;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            box-shadow: var(--shadow-nav);
            height: 60px;
            display: flex;
            align-items: center;
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            height: 100%;
            position: relative;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--color-brand);
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            z-index: 101;
        }

        .nav-logo:hover {
            text-decoration: none;
            color: var(--color-brand-dark);
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-brand);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links-left,
        .nav-links-right {
            display: none;
            gap: 0.25rem;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .nav-links-left,
            .nav-links-right {
                display: flex;
            }
            .nav-logo {
                position: absolute;
            }
        }

        .nav-links-left a,
        .nav-links-right a {
            display: block;
            padding: 0.5rem 0.85rem;
            border-radius: 0.4rem;
            color: #475569;
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: color var(--transition-base), background var(--transition-base);
            text-decoration: none;
        }

        .nav-links-left a:hover,
        .nav-links-right a:hover {
            color: var(--color-brand);
            background: #f1f5f9;
            text-decoration: none;
        }

        .nav-links-left a.active,
        .nav-links-right a.active {
            color: var(--color-brand);
            font-weight: 700;
            background: #EBF0FF;
        }

        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: none;
            color: #475569;
            font-size: 1.5rem;
            padding: 0;
            flex-shrink: 0;
            z-index: 102;
        }

        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 99;
            padding: 1.5rem;
            flex-direction: column;
            gap: 0.5rem;
            overflow-y: auto;
        }

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

        .mobile-menu-panel a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: 0.5rem;
            color: #475569;
            font-size: 1rem;
            font-weight: 500;
            text-decoration: none;
            transition: background var(--transition-base);
        }

        .mobile-menu-panel a:hover {
            background: #f1f5f9;
            color: var(--color-brand);
        }

        .mobile-menu-panel a.active {
            color: var(--color-brand);
            font-weight: 700;
            background: #EBF0FF;
        }

        .show-mobile-only {
            display: flex;
        }

        @media (min-width: 1024px) {
            .show-mobile-only {
                display: none;
            }
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.25rem;
            align-items: center;
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            padding: 1rem 0 0.5rem;
        }

        .breadcrumb a {
            color: var(--color-text-secondary);
            text-decoration: none;
        }

        .breadcrumb a:hover {
            color: var(--color-brand);
            text-decoration: underline;
        }

        .breadcrumb .separator {
            margin: 0 0.25rem;
            color: #94a3b8;
        }

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

        /* Hero */
        .hero-report {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 40%, #1D4ED8 100%);
            border-radius: 1rem;
            padding: 3rem 2rem;
            margin: 1.5rem 0 2.5rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        @media (min-width: 768px) {
            .hero-report {
                grid-template-columns: 1fr 1fr;
                padding: 3.5rem 3rem;
            }
        }

        .hero-report::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-report::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 30%;
            width: 300px;
            height: 300px;
            background: rgba(249, 115, 22, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-report>* {
            position: relative;
            z-index: 1;
        }

        .hero-report h1 {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 1rem;
            color: #fff;
        }

        @media (min-width: 768px) {
            .hero-report h1 {
                font-size: 2.75rem;
            }
        }

        .hero-report .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }

        .hero-report .hero-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--color-accent);
            color: #fff;
            padding: 0.85rem 1.75rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: all var(--transition-base);
            border: none;
        }

        .hero-report .hero-cta:hover {
            background: var(--color-accent-dark);
            transform: scale(1.03);
            text-decoration: none;
            color: #fff;
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
        }

        /* Faux data panel */
        .faux-data-panel {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
        }

        .faux-data-panel .data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
        }

        .faux-data-panel .data-row:last-child {
            border-bottom: none;
        }

        .faux-data-panel .data-label {
            color: rgba(255, 255, 255, 0.7);
        }

        .faux-data-panel .data-value {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
        }

        .faux-data-panel .data-value.up {
            color: #34d399;
        }

        .faux-data-panel .data-value.highlight {
            color: #fbbf24;
            font-size: 1.1rem;
        }

        /* Section titles */
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }

        .section-subtitle {
            color: var(--color-text-secondary);
            font-size: 1rem;
            margin-bottom: 2rem;
            max-width: 700px;
        }

        /* Metric cards */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin-bottom: 2.5rem;
        }

        @media (min-width: 640px) {
            .metrics-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.25rem;
            }
        }

        .metric-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 1.5rem 1.25rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #e2e8f0;
        }

        .metric-card .metric-number {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--color-brand);
            line-height: 1.1;
            margin-bottom: 0.35rem;
        }

        @media (min-width: 768px) {
            .metric-card .metric-number {
                font-size: 2.75rem;
            }
        }

        .metric-card .metric-label {
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* Report cards */
        .report-cards-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin-bottom: 2.5rem;
        }

        @media (min-width: 640px) {
            .report-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .report-cards-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

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

        .report-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #e2e8f0;
        }

        .report-card .card-image {
            height: 180px;
            background: #e2e8f0;
            overflow: hidden;
            position: relative;
        }

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

        .report-card:hover .card-image img {
            transform: scale(1.04);
        }

        .report-card .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .report-card .card-tag {
            display: inline-block;
            background: #EBF0FF;
            color: var(--color-brand);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.65rem;
            border-radius: 999px;
            margin-bottom: 0.75rem;
            align-self: flex-start;
        }

        .report-card .card-tag.accent {
            background: #FFF7ED;
            color: var(--color-accent);
        }

        .report-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
            color: var(--color-text-primary);
            line-height: 1.4;
        }

        .report-card .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 1rem;
        }

        .report-card .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-brand);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: color var(--transition-base);
        }

        .report-card .card-link:hover {
            color: var(--color-brand-dark);
            text-decoration: underline;
        }

        /* Comparison block */
        .comparison-block {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin-bottom: 2.5rem;
        }

        @media (min-width: 768px) {
            .comparison-block {
                grid-template-columns: 1fr 1fr;
            }
        }

        .comparison-card {
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-card);
        }

        .comparison-card.before {
            background: #f8fafc;
            border: 1px solid #e2e8f0;
        }

        .comparison-card.after {
            background: #fff;
            border: 2px solid var(--color-brand);
            position: relative;
        }

        .comparison-card.after::before {
            content: '✓';
            position: absolute;
            top: -14px;
            right: -14px;
            width: 36px;
            height: 36px;
            background: var(--color-brand);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 2px 8px rgba(29, 78, 216, 0.3);
        }

        .comparison-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 1rem;
        }

        .comparison-card.before h3 {
            color: #94a3b8;
        }

        .comparison-card.after h3 {
            color: var(--color-brand);
        }

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

        .comparison-card li {
            padding: 0.6rem 0;
            border-bottom: 1px solid #f1f5f9;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
        }

        .comparison-card li:last-child {
            border-bottom: none;
        }

        .comparison-card li .icon-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0;
            margin-top: 0.45rem;
        }

        .comparison-card.before li .icon-dot {
            background: #cbd5e1;
        }

        .comparison-card.after li .icon-dot {
            background: var(--color-brand);
        }

        /* Deep dive section */
        .deep-dive {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 2.5rem 2rem;
            box-shadow: var(--shadow-card);
            margin-bottom: 2.5rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
        }

        @media (min-width: 768px) {
            .deep-dive {
                grid-template-columns: 1fr 1fr;
                padding: 3rem;
            }
        }

        .deep-dive .deep-image {
            border-radius: 0.5rem;
            overflow: hidden;
            height: 260px;
            background: #e2e8f0;
        }

        .deep-dive .deep-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .deep-dive h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin: 0 0 0.75rem;
            color: var(--color-text-primary);
        }

        .deep-dive p {
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 0.75rem;
            font-size: 0.95rem;
        }

        .deep-dive .highlight-stat {
            display: inline-block;
            background: #EBF0FF;
            color: var(--color-brand);
            font-weight: 700;
            padding: 0.35rem 0.85rem;
            border-radius: 0.4rem;
            font-size: 1rem;
            margin: 0.5rem 0;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            margin-bottom: 2.5rem;
        }

        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            overflow: hidden;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.1rem 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-primary);
            user-select: none;
            transition: color var(--transition-base);
            gap: 1rem;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-secondary);
            transition: all var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            padding: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 0 1.2rem;
        }

        .faq-item.open .faq-question {
            color: var(--color-brand);
        }

        /* CTA form */
        .cta-form-block {
            background: linear-gradient(135deg, #1D4ED8 0%, #1E3A8A 100%);
            border-radius: 1rem;
            padding: 2.5rem 2rem;
            text-align: center;
            color: #fff;
            margin-bottom: 2.5rem;
        }

        @media (min-width: 768px) {
            .cta-form-block {
                padding: 3rem;
            }
        }

        .cta-form-block h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
            color: #fff;
        }

        .cta-form-block .cta-sub {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.75rem;
            font-size: 1rem;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 480px;
            margin: 0 auto;
        }

        @media (min-width: 640px) {
            .cta-form {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .cta-form .form-field {
                flex: 1;
                min-width: 140px;
            }
            .cta-form .form-field-full {
                flex: 1 1 100%;
            }
        }

        .cta-form input,
        .cta-form select {
            padding: 0.8rem 1rem;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            font-size: 0.95rem;
            width: 100%;
            background: #fff;
            color: var(--color-text-primary);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
            box-sizing: border-box;
        }

        .cta-form input:focus,
        .cta-form select:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.25);
        }

        .cta-form .btn-submit {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            font-family: inherit;
        }

        .cta-form .btn-submit:hover {
            background: var(--color-accent-dark);
            transform: scale(1.04);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.45);
        }

        .cta-form .secondary-link {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.85rem;
            text-decoration: underline;
            margin-top: 0.5rem;
            display: inline-block;
            cursor: pointer;
        }

        .cta-form .secondary-link:hover {
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 2.5rem 0 2rem;
            margin-top: 1rem;
        }

        .site-footer a {
            color: #94A3B8;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .site-footer a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .site-footer .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 1.25rem 0;
        }

        .site-footer .footer-brand {
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
        }

        /* Section spacing */
        .section-spacing {
            padding: 2.5rem 0;
        }

        @media (min-width: 768px) {
            .section-spacing {
                padding: 3.5rem 0;
            }
        }

/* roulang page: category6 */
:root {
            --color-brand: #1D4ED8;
            --color-brand-dark: #1E3A8A;
            --color-accent: #F97316;
            --color-accent-dark: #EA580C;
            --color-surface: #F8FAFC;
            --color-card: #FFFFFF;
            --color-muted: #F1F5F9;
            --color-text-primary: #1E293B;
            --color-text-secondary: #64748B;
            --color-text-inverse: #FFFFFF;
            --color-border: #CBD5E1;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.06);
            --transition-base: 0.25s ease;
        }

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-surface);
            min-height: 100vh;
        }

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

        a:hover {
            color: var(--color-brand-dark);
            text-decoration: underline;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            box-shadow: var(--shadow-nav);
            height: 60px;
            display: flex;
            align-items: center;
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            height: 100%;
            position: relative;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--color-brand);
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
        }

        .nav-logo:hover {
            text-decoration: none;
            color: var(--color-brand-dark);
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-brand);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links-left,
        .nav-links-right {
            display: none;
            gap: 0.25rem;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links-left a,
        .nav-links-right a {
            display: block;
            padding: 0.5rem 0.85rem;
            border-radius: 0.4rem;
            color: #475569;
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: color var(--transition-base), background var(--transition-base);
            text-decoration: none;
        }

        .nav-links-left a:hover,
        .nav-links-right a:hover {
            color: var(--color-brand);
            background: #f1f5f9;
            text-decoration: none;
        }

        .nav-links-left a.active,
        .nav-links-right a.active {
            color: var(--color-brand);
            font-weight: 700;
            background: #EBF0FF;
        }

        @media (min-width: 1024px) {
            .nav-links-left,
            .nav-links-right {
                display: flex;
            }
            .nav-desktop-only {
                display: flex;
            }
        }

        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: none;
            color: #475569;
            font-size: 1.5rem;
            padding: 0;
            flex-shrink: 0;
            z-index: 101;
        }

        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

        .show-mobile-only {
            display: block;
        }

        @media (min-width: 1024px) {
            .show-mobile-only {
                display: none;
            }
        }

        /* Mobile menu panel */
        .mobile-menu-panel {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #fff;
            z-index: 99;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            transform: translateY(-100%);
            transition: transform 0.35s ease;
            list-style: none;
            margin: 0;
            padding: 2rem;
        }

        .mobile-menu-panel.open {
            transform: translateY(0);
        }

        .mobile-menu-panel a {
            display: block;
            font-size: 1.2rem;
            font-weight: 600;
            padding: 0.75rem 1.5rem;
            color: #1E293B;
            border-radius: 0.5rem;
            transition: background var(--transition-base);
            text-decoration: none;
        }

        .mobile-menu-panel a:hover {
            background: #f1f5f9;
            text-decoration: none;
        }

        .mobile-menu-panel a.active {
            color: var(--color-brand);
            background: #EBF0FF;
            font-weight: 700;
        }

        /* Breadcrumb */
        .breadcrumb-nav {
            padding: 1rem 0;
            font-size: 0.875rem;
            color: var(--color-text-secondary);
        }

        .breadcrumb-nav a {
            color: var(--color-text-secondary);
            text-decoration: none;
        }

        .breadcrumb-nav a:hover {
            color: var(--color-brand);
            text-decoration: underline;
        }

        .breadcrumb-nav .separator {
            margin: 0 0.5rem;
            color: #94A3B8;
        }

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

        /* Hero - full width feature */
        .hero-fullwidth {
            position: relative;
            width: 100%;
            min-height: 55vh;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .hero-fullwidth .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.75) 0%, rgba(15, 23, 42, 0.55) 100%);
            z-index: 1;
        }

        .hero-fullwidth .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 2rem;
            max-width: 800px;
        }

        .hero-fullwidth .hero-content h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 1rem;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        .hero-fullwidth .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }

        .hero-fullwidth .hero-content .hero-cta {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            text-decoration: none;
            border: none;
            cursor: pointer;
        }

        .hero-fullwidth .hero-content .hero-cta:hover {
            background: var(--color-accent-dark);
            transform: scale(1.04);
            text-decoration: none;
            color: #fff;
            box-shadow: 0 8px 20px rgba(249, 115, 22, 0.35);
        }

        @media (max-width: 768px) {
            .hero-fullwidth {
                min-height: 45vh;
            }
            .hero-fullwidth .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-fullwidth .hero-content .hero-subtitle {
                font-size: 1rem;
            }
        }

        /* Section spacing */
        .section {
            padding: 3rem 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 4rem 0;
            }
        }

        /* Data highlight cards */
        .highlight-cards-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }

        @media (min-width: 640px) {
            .highlight-cards-row {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .highlight-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 1.5rem 1rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }

        .highlight-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-brand);
        }

        .highlight-card .hl-number {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--color-brand);
            line-height: 1.1;
            margin-bottom: 0.35rem;
        }

        .highlight-card .hl-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        @media (min-width: 768px) {
            .highlight-card .hl-number {
                font-size: 2.8rem;
            }
        }

        /* Rich content area */
        .rich-content-block {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 2rem;
            margin-bottom: 2rem;
        }

        @media (min-width: 768px) {
            .rich-content-block {
                padding: 3rem;
            }
        }

        .rich-content-block h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 1rem;
            padding-bottom: 0.75rem;
            border-bottom: 3px solid var(--color-brand);
            display: inline-block;
        }

        .rich-content-block h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-top: 1.75rem;
            margin-bottom: 0.75rem;
        }

        .rich-content-block p {
            margin-bottom: 1rem;
            color: var(--color-text-primary);
            line-height: 1.8;
        }

        .rich-content-block .pullquote {
            background: #F0F4FF;
            border-left: 4px solid var(--color-brand);
            padding: 1.25rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 0.5rem 0.5rem 0;
            font-style: italic;
            color: #1E3A8A;
            font-size: 1.05rem;
            line-height: 1.7;
        }

        .rich-content-block .pullquote .quote-author {
            display: block;
            margin-top: 0.5rem;
            font-style: normal;
            font-weight: 600;
            color: var(--color-text-secondary);
            font-size: 0.9rem;
        }

        /* Image with caption */
        .content-image-wrap {
            margin: 1.5rem 0;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .content-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .content-image-wrap .img-caption {
            padding: 0.75rem 1rem;
            background: #f8fafc;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            text-align: center;
        }

        /* Scenario cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 640px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .scenario-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .scenario-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border-top: 4px solid var(--color-brand);
        }

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

        .scenario-card .sc-icon {
            width: 48px;
            height: 48px;
            background: #EBF0FF;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: 1.5rem;
            color: var(--color-brand);
        }

        .scenario-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            color: var(--color-text-primary);
        }

        .scenario-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-section {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 2rem;
        }

        @media (min-width: 768px) {
            .faq-section {
                padding: 3rem;
            }
        }

        .faq-item {
            border-bottom: 1px solid #E2E8F0;
            transition: background var(--transition-base);
        }

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

        .faq-question {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            width: 100%;
            padding: 1.1rem 0;
            background: none;
            border: none;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-primary);
            cursor: pointer;
            transition: color var(--transition-base);
            gap: 1rem;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-brand);
            transition: transform var(--transition-base);
            font-weight: 700;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 0;
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 0 1.1rem 0;
        }

        .faq-item.open {
            background: #F8FAFD;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, #1D4ED8 0%, #1E3A8A 100%);
            border-radius: var(--radius-card);
            padding: 2.5rem 1.5rem;
            text-align: center;
            color: #fff;
            box-shadow: 0 8px 24px rgba(29, 78, 216, 0.25);
        }

        @media (min-width: 768px) {
            .cta-section {
                padding: 3.5rem 2rem;
            }
        }

        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: #fff;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 1.5rem;
            font-size: 1rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .cta-btn-large {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 0.9rem 2.5rem;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            text-decoration: none;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.4);
        }

        .cta-section .cta-btn-large:hover {
            background: #fff;
            color: var(--color-accent);
            transform: scale(1.05);
            text-decoration: none;
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.3);
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }

        .site-footer a {
            color: #94A3B8;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .site-footer a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-divider {
            border-top: 1px solid #1E293B;
            margin: 1.25rem 0;
        }

        .site-footer .text-white {
            color: #fff;
        }

        .site-footer .text-slate-400 {
            color: #94A3B8;
        }

        .site-footer .text-slate-500 {
            color: #64748B;
        }

        /* Section title */
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 0.5rem;
            text-align: center;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            text-align: center;
            margin-bottom: 2rem;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }

        /* Two column layout */
        .two-col {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
        }

        @media (min-width: 768px) {
            .two-col {
                grid-template-columns: 1fr 1fr;
            }
        }

        .two-col.reverse {
            direction: ltr;
        }

        @media (min-width: 768px) {
            .two-col.reverse {
                direction: rtl;
            }
            .two-col.reverse>* {
                direction: ltr;
            }
        }

        /* Process steps */
        .process-steps {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 640px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .process-steps {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .process-step {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            text-align: center;
            position: relative;
            transition: all var(--transition-base);
        }

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

        .process-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--color-brand);
            color: #fff;
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 0.75rem;
        }

        .process-step h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 0.4rem;
            color: var(--color-text-primary);
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* Responsive adjustments */
        @media (max-width: 520px) {
            .hero-fullwidth .hero-content h1 {
                font-size: 1.5rem;
}
            .hero-fullwidth .hero-content .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-fullwidth .hero-content {
                padding: 1.5rem;
            }
        }