/* roulang page: index */
:root {
            --primary: #1A1A2E;
            --accent: #E6B422;
            --accent-hover: #D4A017;
            --bg-warm: #F8F6F0;
            --bg-dark: #0F0F1A;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A2E;
            --text-secondary: #555555;
            --text-inverse: #F8F6F0;
            --border: #E0DDD5;
            --tag-bg: #F0EDE6;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(26, 26, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(26, 26, 46, 0.12);
            --shadow-nav: 0 1px 8px rgba(26, 26, 46, 0.06);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --font-en: 'Inter', 'SF Pro Display', sans-serif;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --container-max: 1200px;
            --gutter: 24px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-cn);
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition-fast), border-bottom var(--transition-fast);
            border-bottom: 1px solid transparent;
        }
        a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(248, 246, 240, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            padding: 0;
            transition: background var(--transition-fast);
        }
        .navbar-custom .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
            gap: 20px;
        }
        .navbar-custom .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            border-bottom: none;
            font-family: var(--font-cn);
            flex-shrink: 0;
        }
        .navbar-custom .logo-text:hover {
            color: var(--accent);
            border-bottom: none;
        }
        .navbar-custom .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }
        .navbar-custom .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-primary);
            border-bottom: 2px solid transparent;
            padding: 4px 0;
            transition: border-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-custom .nav-links a:hover,
        .navbar-custom .nav-links a.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .navbar-custom .nav-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            border-bottom: none;
            text-decoration: none;
        }
        .navbar-custom .nav-cta:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }
        .navbar-custom .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }
        .navbar-custom .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .navbar-custom .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .navbar-custom .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .navbar-custom .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 991px) {
            .navbar-custom .nav-links {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(248, 246, 240, 0.98);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 40px;
                gap: 24px;
                z-index: 1039;
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
            }
            .navbar-custom .nav-links.show {
                display: flex;
            }
            .navbar-custom .nav-links a {
                font-size: 1.1rem;
            }
            .navbar-custom .hamburger {
                display: block;
            }
            .navbar-custom .nav-cta.desktop-only {
                display: none;
            }
            .navbar-custom .nav-cta.mobile-cta {
                display: block;
                margin-top: 20px;
                font-size: 1rem;
                padding: 12px 30px;
            }
        }
        @media (min-width: 992px) {
            .navbar-custom .nav-cta.mobile-cta {
                display: none;
            }
            .navbar-custom .nav-cta.desktop-only {
                display: inline-block;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: var(--bg-dark);
            overflow: hidden;
            padding-top: 64px;
            margin-top: 0;
        }
        .hero-section .hero-bg-img {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .hero-section .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.85) 0%, rgba(26, 26, 46, 0.7) 50%, rgba(15, 15, 26, 0.9) 100%);
            z-index: 1;
        }
        .hero-section .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 60px 20px;
        }
        .hero-section .hero-left h1 {
            font-size: clamp(2.2rem, 4vw, 3.5rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-inverse);
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .hero-section .hero-left h1 .highlight {
            color: var(--accent);
            display: inline;
        }
        .hero-section .hero-left .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(248, 246, 240, 0.8);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 520px;
        }
        .hero-section .hero-left .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-section .btn-primary-custom {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            display: inline-block;
            border-bottom: none;
        }
        .hero-section .btn-primary-custom:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }
        .hero-section .btn-outline-custom {
            background: transparent;
            color: var(--text-inverse);
            font-weight: 600;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--text-inverse);
            cursor: pointer;
            font-size: 1rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            display: inline-block;
        }
        .hero-section .btn-outline-custom:hover {
            background: var(--text-inverse);
            color: var(--primary);
            border-bottom: 2px solid var(--text-inverse);
        }
        .hero-section .hero-right {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid rgba(224, 221, 213, 0.2);
            backdrop-filter: blur(4px);
        }
        .hero-section .hero-right .data-rank-title {
            font-size: 0.9rem;
            color: rgba(248, 246, 240, 0.7);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
            font-weight: 500;
        }
        .hero-section .hero-right .rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .hero-section .hero-right .rank-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(224, 221, 213, 0.15);
            color: rgba(248, 246, 240, 0.9);
            font-size: 0.95rem;
        }
        .hero-section .hero-right .rank-list li:last-child {
            border-bottom: none;
        }
        .hero-section .hero-right .rank-num {
            color: var(--accent);
            font-weight: 700;
            font-size: 1.3rem;
            font-family: var(--font-en);
            min-width: 36px;
        }
        .hero-section .hero-right .rank-trend {
            font-size: 0.85rem;
            color: #4CAF50;
            font-weight: 600;
        }

        @media (max-width: 767px) {
            .hero-section .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 16px;
            }
            .hero-section {
                min-height: auto;
                padding-top: 64px;
            }
            .hero-section .hero-right {
                padding: 20px;
            }
            .hero-section .hero-left h1 {
                font-size: 1.9rem;
            }
        }

        /* ========== SECTION COMMONS ========== */
        section {
            padding: 64px 0;
        }
        @media (max-width: 767px) {
            section {
                padding: 40px 0;
            }
        }
        .section-tag {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 32px;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-section {
            background: #fff;
            padding: 40px 0;
            border-bottom: 1px solid var(--border);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .metric-card {
            text-align: center;
            padding: 20px 16px;
            border-radius: var(--radius-md);
            background: var(--bg-warm);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            border: 1px solid var(--border);
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .metric-card .metric-number {
            font-size: clamp(2.2rem, 4vw, 3.5rem);
            font-weight: 800;
            color: var(--accent);
            font-family: var(--font-en);
            line-height: 1;
        }
        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 8px;
            font-weight: 500;
        }
        @media (max-width: 991px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }

        /* ========== TIER SECTION ========== */
        .tier-section {
            background: var(--bg-warm);
        }
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .tier-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            position: relative;
            text-align: center;
        }
        .tier-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .tier-card.featured {
            border-color: var(--accent);
            box-shadow: 0 4px 20px rgba(230, 180, 34, 0.15);
        }
        .tier-card .tier-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            white-space: nowrap;
        }
        .tier-card .tier-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            margin-top: 8px;
        }
        .tier-card .tier-price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            font-family: var(--font-en);
            margin-bottom: 16px;
        }
        .tier-card .tier-price span {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-secondary);
        }
        .tier-card .tier-features {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            text-align: left;
        }
        .tier-card .tier-features li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tier-card .tier-features li i {
            color: #4CAF50;
            font-size: 0.8rem;
        }
        .tier-card .btn-tier {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            border-bottom: none;
            font-size: 0.95rem;
        }
        .tier-card .btn-tier:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }
        @media (max-width: 991px) {
            .tier-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 767px) {
            .tier-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix-section {
            background: #fff;
        }
        .service-matrix {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .service-matrix .service-card-large {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .service-matrix .service-card-large:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .service-matrix .service-card-large .card-img-wrap {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        .service-matrix .service-card-large .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .service-matrix .service-card-large:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .service-matrix .service-card-large .card-body {
            padding: 24px;
            flex: 1;
        }
        .service-matrix .service-card-large .card-body h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--primary);
        }
        .service-matrix .service-card-large .card-body p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .service-matrix .service-card-small {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .service-matrix .service-card-small:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .service-matrix .service-card-small .icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bg-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.2rem;
            color: var(--accent);
        }
        .service-matrix .service-card-small h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .service-matrix .service-card-small p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }
        .service-matrix .service-right-col {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        @media (max-width: 991px) {
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .service-matrix .service-right-col {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .service-matrix .service-card-small {
                flex: 1 1 200px;
                min-width: 200px;
            }
        }
        @media (max-width: 767px) {
            .service-matrix .service-right-col {
                flex-direction: column;
            }
            .service-matrix .service-card-large .card-img-wrap {
                height: 160px;
            }
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-section {
            background: var(--bg-warm);
        }
        .comparison-table-wrap {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            overflow-x: auto;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
        }
        .comparison-table thead th {
            background: var(--primary);
            color: var(--text-inverse);
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            white-space: nowrap;
        }
        .comparison-table thead th:first-child {
            text-align: left;
            background: #151529;
        }
        .comparison-table tbody td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--border);
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--primary);
        }
        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }
        .comparison-table .check-icon {
            color: #4CAF50;
            font-weight: 700;
        }
        .comparison-table .dash-icon {
            color: #ccc;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-section {
            background: #fff;
            padding: 56px 0;
        }
        .brand-intro-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
            text-align: center;
        }
        .brand-intro-content p {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-secondary);
            text-align: justify;
        }

        /* ========== GUARANTEE BAR ========== */
        .guarantee-section {
            background: var(--bg-dark);
            padding: 40px 0;
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .guarantee-item {
            text-align: center;
            color: var(--text-inverse);
            padding: 20px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(224, 221, 213, 0.2);
            transition: transform var(--transition-smooth);
        }
        .guarantee-item:hover {
            transform: translateY(-3px);
        }
        .guarantee-item .guarantee-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .guarantee-item h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .guarantee-item p {
            font-size: 0.85rem;
            color: rgba(248, 246, 240, 0.7);
            margin: 0;
        }
        @media (max-width: 991px) {
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .guarantee-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-section {
            background: var(--bg-warm);
        }
        .deep-content-full {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .deep-content-full .dc-text h2 {
            font-size: 1.6rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .deep-content-full .dc-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
            text-align: justify;
        }
        .deep-content-full .dc-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .deep-content-full .dc-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .deep-content-full .dc-img:hover img {
            transform: scale(1.03);
        }
        @media (max-width: 767px) {
            .deep-content-full {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .deep-content-alt {
            background: #fff;
        }
        .deep-content-alt .dc-alt-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 40px;
            align-items: center;
        }
        .deep-content-alt .dc-alt-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .deep-content-alt .dc-alt-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .deep-content-alt .dc-alt-img:hover img {
            transform: scale(1.03);
        }
        .deep-content-alt .dc-alt-text h2 {
            font-size: 1.6rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .deep-content-alt .dc-alt-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
            text-align: justify;
        }
        @media (max-width: 767px) {
            .deep-content-alt .dc-alt-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ========== NEWS ========== */
        .news-section {
            background: var(--bg-warm);
        }
        .news-list {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            align-items: flex-start;
            transition: background var(--transition-fast);
            border-radius: 4px;
            padding-left: 12px;
            padding-right: 12px;
            cursor: pointer;
        }
        .news-item:hover {
            background: rgba(255, 255, 255, 0.6);
        }
        .news-item .news-date {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            text-align: center;
            flex-shrink: 0;
            min-width: 56px;
            font-family: var(--font-en);
            font-size: 0.85rem;
            line-height: 1.3;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .news-item .news-date .month {
            font-size: 1.1rem;
        }
        .news-item .news-info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-item .news-info p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        .news-item .news-info .read-more {
            display: inline-block;
            margin-top: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent);
            border-bottom: 1px solid var(--accent);
            cursor: pointer;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .news-item .news-info .read-more:hover {
            color: var(--accent-hover);
            border-bottom-color: var(--accent-hover);
        }
        @media (max-width: 520px) {
            .news-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-item .news-date {
                flex-direction: row;
                gap: 4px;
                min-width: auto;
                padding: 6px 14px;
                font-size: 0.8rem;
            }
        }

        /* ========== LIMITED OFFER ========== */
        .limited-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .limited-section .limited-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .limited-inner {
            position: relative;
            z-index: 1;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            text-align: center;
        }
        .limited-inner h2 {
            color: var(--text-inverse);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .limited-inner p {
            color: rgba(248, 246, 240, 0.8);
            font-size: 1rem;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .limited-inner .btn-limited {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 16px 40px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            border-bottom: none;
        }
        .limited-inner .btn-limited:hover {
            background: var(--accent-hover);
            transform: scale(1.04);
            border-bottom: none;
            color: var(--primary);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
        }
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 0;
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary);
            user-select: none;
            transition: color var(--transition-fast);
            gap: 12px;
        }
        .faq-item .faq-question:hover {
            color: var(--accent);
        }
        .faq-item .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent);
            transition: transform var(--transition-smooth);
            font-weight: 700;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 0 20px;
        }

        /* ========== FORM SECTION ========== */
        .form-section {
            background: var(--bg-dark);
            padding: 56px 0;
        }
        .form-inner {
            max-width: 600px;
            margin: 0 auto;
            padding: 0 20px;
            text-align: center;
        }
        .form-inner h2 {
            color: var(--text-inverse);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .form-inner p {
            color: rgba(248, 246, 240, 0.75);
            margin-bottom: 28px;
            font-size: 0.95rem;
        }
        .form-inner .custom-input {
            width: 100%;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(224, 221, 213, 0.4);
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-inverse);
            font-size: 1rem;
            margin-bottom: 16px;
            transition: border-color var(--transition-fast);
            outline: none;
        }
        .form-inner .custom-input::placeholder {
            color: #999;
        }
        .form-inner .custom-input:focus {
            border-color: var(--accent);
        }
        .form-inner .btn-submit {
            width: 100%;
            padding: 14px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }
        .form-inner .btn-submit:hover {
            background: var(--accent-hover);
            transform: scale(1.02);
        }

        /* ========== ENTRY MATRIX ========== */
        .entry-matrix-section {
            background: var(--bg-warm);
            padding: 48px 0;
        }
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .entry-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            cursor: pointer;
            text-decoration: none;
            color: var(--primary);
            display: block;
            border-bottom: 1px solid var(--border);
        }
        .entry-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-bottom: 1px solid var(--border);
            color: var(--primary);
        }
        .entry-card .entry-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .entry-card h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .entry-card p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin: 0;
        }
        @media (max-width: 991px) {
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .entry-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ========== PLATFORM GUARANTEE ========== */
        .platform-section {
            background: #fff;
            padding: 40px 0;
        }
        .platform-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .platform-badge {
            background: var(--tag-bg);
            color: var(--primary);
            padding: 10px 20px;
            border-radius: 20px;
            font-weight: 500;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--border);
            transition: transform var(--transition-fast);
        }
        .platform-badge:hover {
            transform: translateY(-2px);
        }
        .platform-badge i {
            color: var(--accent);
        }

        /* ========== KPI STRIP ========== */
        .kpi-section {
            background: var(--bg-warm);
            padding: 32px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .kpi-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            justify-content: space-between;
            align-items: center;
        }
        .kpi-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 8px 16px;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
        }
        .kpi-item .kpi-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #4CAF50;
            flex-shrink: 0;
        }
        .kpi-item .kpi-dot.warning {
            background: #FF9800;
        }
        .kpi-item .kpi-dot.accent {
            background: var(--accent);
        }
        .kpi-item strong {
            color: var(--primary);
        }

        /* ========== FLOATING CTA ========== */
        .floating-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(15, 15, 26, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1030;
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(224, 221, 213, 0.2);
        }
        .floating-cta-bar span {
            color: var(--text-inverse);
            font-weight: 500;
            font-size: 0.95rem;
            text-align: center;
        }
        .floating-cta-bar .btn-float {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            border-bottom: none;
            white-space: nowrap;
        }
        .floating-cta-bar .btn-float:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }
        @media (max-width: 520px) {
            .floating-cta-bar {
                flex-direction: column;
                gap: 8px;
                padding: 10px 16px;
            }
            .floating-cta-bar span {
                font-size: 0.85rem;
            }
        }

        /* ========== FOOTER ========== */
        .footer-section {
            background: var(--primary);
            color: rgba(248, 246, 240, 0.8);
            padding: 48px 0 100px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-grid h4 {
            color: var(--text-inverse);
            font-weight: 600;
            margin-bottom: 16px;
            font-size: 1rem;
        }
        .footer-grid p,
        .footer-grid a {
            font-size: 0.85rem;
            color: rgba(248, 246, 240, 0.7);
            line-height: 1.7;
            border-bottom: none;
        }
        .footer-grid a:hover {
            color: var(--accent);
            border-bottom: 1px solid var(--accent);
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-grid ul li {
            margin-bottom: 8px;
        }
        .footer-bottom {
            max-width: var(--container-max);
            margin: 24px auto 0;
            padding: 20px 20px 0;
            border-top: 1px solid rgba(224, 221, 213, 0.2);
            text-align: center;
            font-size: 0.8rem;
            color: rgba(248, 246, 240, 0.5);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            align-items: center;
        }
        .footer-bottom a {
            color: rgba(248, 246, 240, 0.5);
            border-bottom: none;
            font-size: 0.8rem;
        }
        .footer-bottom a:hover {
            color: var(--accent);
            border-bottom: 1px solid var(--accent);
        }
        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-section {
                padding-bottom: 120px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1A1A2E;
            --accent: #E6B422;
            --accent-hover: #D4A017;
            --bg-warm: #F8F6F0;
            --bg-dark: #0F0F1A;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A2E;
            --text-secondary: #555555;
            --text-inverse: #F8F6F0;
            --border: #E0DDD5;
            --tag-bg: #F0EDE6;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(26, 26, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(26, 26, 46, 0.12);
            --shadow-nav: 0 1px 8px rgba(26, 26, 46, 0.06);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --font-en: 'Inter', 'SF Pro Display', sans-serif;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --container-max: 1200px;
            --gutter: 24px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-cn);
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: 64px;
            margin: 0;
        }

        a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition-fast), border-bottom var(--transition-fast);
            border-bottom: 1px solid transparent;
        }

        a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        h2 {
            font-size: 1.75rem;
            font-weight: 600;
            line-height: 1.3;
        }

        h3 {
            font-size: 1.25rem;
            font-weight: 500;
            line-height: 1.4;
        }

        p {
            font-size: 1rem;
            line-height: 1.8;
            font-weight: 400;
            margin-bottom: 1.5rem;
            color: var(--text-secondary);
        }

        /* ========== NAVIGATION ========== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(248, 246, 240, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            padding: 0;
            transition: background var(--transition-fast);
        }

        .navbar-custom .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
            gap: 20px;
        }

        .navbar-custom .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            border-bottom: none;
            font-family: var(--font-cn);
            flex-shrink: 0;
        }

        .navbar-custom .logo-text:hover {
            color: var(--accent);
            border-bottom: none;
        }

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

        .navbar-custom .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-primary);
            border-bottom: 2px solid transparent;
            padding: 4px 0;
            transition: border-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-custom .nav-links a:hover,
        .navbar-custom .nav-links a.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        .navbar-custom .nav-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            border-bottom: none;
            text-decoration: none;
            display: inline-block;
        }

        .navbar-custom .nav-cta:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }

        .navbar-custom .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

        .navbar-custom .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .navbar-custom .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .navbar-custom .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .navbar-custom .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .desktop-only {
            display: inline-block;
        }

        .mobile-cta {
            display: none;
        }

        @media (max-width: 991px) {
            .navbar-custom .nav-links {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(248, 246, 240, 0.98);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding: 40px 20px;
                gap: 24px;
                overflow-y: auto;
                z-index: 1039;
            }

            .navbar-custom .nav-links.show {
                display: flex;
            }

            .navbar-custom .nav-links a {
                font-size: 1.1rem;
                padding: 8px 0;
            }

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

            .desktop-only {
                display: none;
            }

            .mobile-cta {
                display: inline-block;
                margin-top: 16px;
                font-size: 1.05rem;
                padding: 12px 28px;
                border-bottom: none;
                text-align: center;
            }

            .mobile-cta:hover {
                border-bottom: none;
            }
        }

        @media (min-width: 992px) {
            .navbar-custom .nav-links {
                display: flex !important;
                position: static;
                flex-direction: row;
                background: transparent;
                padding: 0;
                gap: 28px;
                overflow: visible;
            }

            .navbar-custom .hamburger {
                display: none;
            }
        }

        /* ========== HERO ========== */
        .hero-category {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.82) 0%, rgba(26, 26, 46, 0.55) 100%);
            z-index: 1;
        }

        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            width: 100%;
        }

        .hero-category .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 18px;
            letter-spacing: 0.04em;
        }

        .hero-category h1 {
            color: #FFFFFF;
            font-size: 2.8rem;
            margin-bottom: 16px;
            max-width: 700px;
            line-height: 1.2;
        }

        .hero-category .hero-subtitle {
            color: rgba(248, 246, 240, 0.9);
            font-size: 1.15rem;
            max-width: 560px;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .hero-category .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-custom {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            display: inline-block;
            text-decoration: none;
            border-bottom: none;
        }

        .btn-primary-custom:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }

        .btn-outline-custom {
            background: transparent;
            color: #FFFFFF;
            font-weight: 600;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            border: 2px solid #FFFFFF;
            cursor: pointer;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
            text-decoration: none;
        }

        .btn-outline-custom:hover {
            background: #FFFFFF;
            color: var(--primary);
            border-bottom: 2px solid #FFFFFF;
        }

        /* ========== SECTION ========== */
        .section-spacing {
            padding: 64px 0;
        }

        .section-spacing-lg {
            padding: 80px 0;
        }

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

        .section-title {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 12px;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: var(--accent);
            margin-top: 10px;
            border-radius: 2px;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 600px;
            margin-bottom: 36px;
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .card-custom .card-img-wrap {
            overflow: hidden;
            position: relative;
            aspect-ratio: 16 / 10;
            flex-shrink: 0;
        }

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

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

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

        .card-custom .card-tag {
            display: inline-block;
            background: var(--tag-bg);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
            width: fit-content;
        }

        .card-custom .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-custom .card-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 12px;
        }

        .card-custom .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: #888;
            border-top: 1px solid var(--border);
            padding-top: 12px;
            margin-top: auto;
        }

        .card-custom .card-meta .read-more {
            color: var(--accent);
            font-weight: 500;
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition-fast);
            cursor: pointer;
            font-size: 0.85rem;
        }

        .card-custom .card-meta .read-more:hover {
            border-bottom-color: var(--accent);
            color: var(--accent-hover);
        }

        /* ========== PAGINATION ========== */
        .pagination-custom {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .pagination-custom .page-link-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text-primary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
        }

        .pagination-custom .page-link-custom:hover {
            background: var(--tag-bg);
            border-color: var(--accent);
            color: var(--accent);
        }

        .pagination-custom .page-link-custom.active {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary);
            font-weight: 700;
            pointer-events: none;
        }

        .pagination-custom .page-link-custom.disabled {
            opacity: 0.4;
            pointer-events: none;
            cursor: default;
        }

        /* ========== FAQ ========== */
        .faq-accordion .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 0;
        }

        .faq-accordion .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 0;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
        }

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

        .faq-accordion .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            color: var(--primary);
        }

        .faq-accordion .faq-item.open .faq-icon {
            border-color: var(--accent);
            color: var(--accent);
            transform: rotate(45deg);
        }

        .faq-accordion .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.75;
            padding: 0 0;
        }

        .faq-accordion .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 0 18px 0;
        }

        /* ========== CTA FORM ========== */
        .cta-form-section {
            background: var(--bg-dark);
            padding: 64px 0;
        }

        .cta-form-section .cta-form-title {
            color: var(--text-inverse);
            font-size: 1.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .cta-form-section .cta-form-subtitle {
            color: rgba(248, 246, 240, 0.75);
            font-size: 1rem;
            margin-bottom: 32px;
        }

        .form-control-custom {
            width: 100%;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: #FFFFFF;
            font-size: 1rem;
            color: var(--primary);
            transition: border-color var(--transition-fast);
            outline: none;
            font-family: var(--font-cn);
        }

        .form-control-custom:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(230, 180, 34, 0.12);
        }

        .form-control-custom::placeholder {
            color: #999999;
        }

        .btn-submit-custom {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            width: 100%;
        }

        .btn-submit-custom:hover {
            background: var(--accent-hover);
            transform: scale(1.02);
        }

        /* ========== FOOTER ========== */
        .footer-section {
            background: #0F0F1A;
            color: rgba(248, 246, 240, 0.8);
            padding: 56px 20px 28px;
        }

        .footer-section .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .footer-section h4 {
            color: #FFFFFF;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-section p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(248, 246, 240, 0.65);
            margin-bottom: 0;
        }

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

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

        .footer-section ul li a {
            color: rgba(248, 246, 240, 0.65);
            font-size: 0.9rem;
            border-bottom: none;
            transition: color var(--transition-fast);
        }

        .footer-section ul li a:hover {
            color: var(--accent);
            border-bottom: 1px solid var(--accent);
        }

        .footer-section .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: center;
            max-width: var(--container-max);
            margin: 32px auto 0;
            padding-top: 20px;
            border-top: 1px solid rgba(224, 221, 213, 0.2);
            font-size: 0.82rem;
            color: rgba(248, 246, 240, 0.5);
        }

        .footer-section .footer-bottom a {
            color: rgba(248, 246, 240, 0.5);
            border-bottom: none;
            font-size: 0.82rem;
        }

        .footer-section .footer-bottom a:hover {
            color: var(--accent);
            border-bottom: 1px solid var(--accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 991px) {
            .footer-section .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .hero-category h1 {
                font-size: 2rem;
            }

            .hero-category {
                min-height: 340px;
            }
        }

        @media (max-width: 767px) {
            .footer-section .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .hero-category h1 {
                font-size: 1.6rem;
            }

            .hero-category .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-category {
                min-height: 300px;
            }

            .section-spacing {
                padding: 40px 0;
            }

            .section-spacing-lg {
                padding: 48px 0;
            }

            .card-custom .card-body-custom {
                padding: 16px;
            }

            .btn-primary-custom,
            .btn-outline-custom {
                padding: 12px 24px;
                font-size: 0.9rem;
            }

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

        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 1.4rem;
            }

            .hero-category {
                min-height: 260px;
            }

            .hero-category .hero-btns {
                flex-direction: column;
                gap: 10px;
            }

            .hero-category .hero-btns .btn-primary-custom,
            .hero-category .hero-btns .btn-outline-custom {
                width: 100%;
                text-align: center;
            }
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-block {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
        }

        .deep-content-block h3 {
            color: var(--primary);
            margin-bottom: 16px;
            font-weight: 600;
        }

        .deep-content-block p {
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .highlight-stat {
            display: inline-flex;
            align-items: baseline;
            gap: 6px;
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            font-family: var(--font-en);
            line-height: 1;
        }

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

        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            justify-content: flex-start;
            margin: 28px 0;
        }

        .stat-item {
            text-align: center;
            min-width: 100px;
            flex: 1;
        }

/* roulang page: category1 */
:root {
            --primary: #1A1A2E;
            --accent: #E6B422;
            --accent-hover: #D4A017;
            --bg-warm: #F8F6F0;
            --bg-dark: #0F0F1A;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A2E;
            --text-secondary: #555555;
            --text-inverse: #F8F6F0;
            --border: #E0DDD5;
            --tag-bg: #F0EDE6;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(26, 26, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(26, 26, 46, 0.12);
            --shadow-nav: 0 1px 8px rgba(26, 26, 46, 0.06);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --font-en: 'Inter', 'SF Pro Display', sans-serif;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --container-max: 1200px;
            --gutter: 24px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-cn);
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: 64px;
        }

        a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition-fast), border-bottom var(--transition-fast);
            border-bottom: 1px solid transparent;
        }

        a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(248, 246, 240, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            padding: 0;
            transition: background var(--transition-fast);
        }

        .navbar-custom .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
            gap: 20px;
        }

        .navbar-custom .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            border-bottom: none;
            font-family: var(--font-cn);
            flex-shrink: 0;
        }

        .navbar-custom .logo-text:hover {
            color: var(--accent);
            border-bottom: none;
        }

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

        .navbar-custom .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-primary);
            border-bottom: 2px solid transparent;
            padding: 4px 0;
            transition: border-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-custom .nav-links a:hover,
        .navbar-custom .nav-links a.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        .navbar-custom .nav-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            border-bottom: none;
            text-decoration: none;
            display: inline-block;
        }

        .navbar-custom .nav-cta:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }

        .navbar-custom .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

        .navbar-custom .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .navbar-custom .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .navbar-custom .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .navbar-custom .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .desktop-only {
            display: inline-block;
        }

        .mobile-cta {
            display: none;
        }

        @media (max-width: 991px) {
            .navbar-custom .nav-links {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(248, 246, 240, 0.98);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding: 40px 20px;
                gap: 24px;
                z-index: 1039;
                overflow-y: auto;
            }

            .navbar-custom .nav-links.open {
                display: flex;
            }

            .navbar-custom .nav-links a {
                font-size: 1.2rem;
                font-weight: 600;
            }

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

            .desktop-only {
                display: none;
            }

            .mobile-cta {
                display: inline-block;
                margin-top: 12px;
                font-size: 1.1rem;
                padding: 14px 32px;
            }
        }

        @media (min-width: 992px) {
            .navbar-custom .nav-links {
                display: flex;
                position: static;
                background: transparent;
                flex-direction: row;
                padding: 0;
                gap: 28px;
            }

            .navbar-custom .hamburger {
                display: none;
            }

            .mobile-cta {
                display: none;
            }

            .desktop-only {
                display: inline-block;
            }
        }

        /* ========== BUTTONS ========== */
        .btn-primary-custom {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            display: inline-block;
            text-align: center;
            border-bottom: none;
            text-decoration: none;
        }

        .btn-primary-custom:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }

        .btn-secondary-custom {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            cursor: pointer;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
            text-decoration: none;
        }

        .btn-secondary-custom:hover {
            background: var(--primary);
            color: var(--text-inverse);
            border-bottom: 2px solid var(--primary);
        }

        /* ========== HERO ========== */
        .hero-category {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.82) 0%, rgba(15, 15, 26, 0.7) 100%);
            z-index: 1;
        }

        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            width: 100%;
        }

        .hero-category .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .hero-category h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--text-inverse);
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
            font-family: var(--font-cn);
        }

        .hero-category .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(248, 246, 240, 0.88);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .hero-category .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-category .btn-hero-outline {
            background: transparent;
            color: var(--text-inverse);
            font-weight: 600;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--text-inverse);
            cursor: pointer;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
            text-decoration: none;
        }

        .hero-category .btn-hero-outline:hover {
            background: var(--text-inverse);
            color: var(--primary);
            border-bottom: 2px solid var(--text-inverse);
        }

        @media (max-width: 767px) {
            .hero-category {
                min-height: 340px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category .hero-subtitle {
                font-size: 1rem;
            }
            .hero-category .hero-cta-group {
                flex-direction: column;
                gap: 12px;
            }
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-dashboard {
            padding: 48px 0;
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
        }

        .metrics-dashboard .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gutter);
        }

        .metrics-dashboard .metric-item {
            text-align: center;
            padding: 24px 16px;
            border-radius: var(--radius-md);
            background: var(--bg-warm);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .metrics-dashboard .metric-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .metrics-dashboard .metric-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent);
            font-family: var(--font-en);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .metrics-dashboard .metric-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-top: 8px;
            font-weight: 500;
        }

        @media (max-width: 991px) {
            .metrics-dashboard .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575px) {
            .metrics-dashboard .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metrics-dashboard .metric-number {
                font-size: 2.2rem;
            }
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            padding: 64px 0;
            background: var(--bg-warm);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            font-family: var(--font-cn);
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 650px;
        }

        .service-matrix .matrix-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--gutter);
        }

        .service-matrix .matrix-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .service-matrix .matrix-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .service-matrix .matrix-card-img {
            height: 200px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .service-matrix .matrix-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .service-matrix .matrix-card:hover .matrix-card-img img {
            transform: scale(1.04);
        }

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

        .service-matrix .matrix-card-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .service-matrix .matrix-card-body p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            flex: 1;
        }

        .service-matrix .matrix-card-body .card-link {
            font-weight: 600;
            color: var(--accent);
            margin-top: 12px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border-bottom: none;
        }

        .service-matrix .matrix-card-body .card-link:hover {
            color: var(--accent-hover);
            border-bottom: none;
        }

        .service-matrix .matrix-grid-secondary {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: var(--gutter);
            margin-top: var(--gutter);
        }

        @media (max-width: 991px) {
            .service-matrix .matrix-grid {
                grid-template-columns: 1fr;
            }
            .service-matrix .matrix-grid-secondary {
                grid-template-columns: 1fr;
            }
        }

        /* ========== SCENARIO CARDS ========== */
        .scenario-section {
            padding: 64px 0;
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gutter);
        }

        .scenario-card {
            background: var(--bg-warm);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            text-align: center;
        }

        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .scenario-card .scenario-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            font-weight: 700;
        }

        .scenario-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .scenario-card p {
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
        }

        @media (max-width: 991px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== COMPARISON SECTION ========== */
        .comparison-section {
            padding: 64px 0;
            background: var(--bg-warm);
        }

        .comparison-table-wrap {
            overflow-x: auto;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 8px;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .comparison-table th,
        .comparison-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border);
            font-size: 0.95rem;
        }

        .comparison-table th {
            background: var(--primary);
            color: var(--text-inverse);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
        }

        .comparison-table th:first-child {
            border-radius: var(--radius-sm) 0 0 0;
        }

        .comparison-table th:last-child {
            border-radius: 0 var(--radius-sm) 0 0;
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table .highlight-row td {
            background: rgba(230, 180, 34, 0.06);
            font-weight: 600;
        }

        .comparison-table .check-icon {
            color: #2E8B57;
            font-weight: 700;
        }

        .comparison-table .cross-icon {
            color: #C0392B;
            font-weight: 700;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content {
            padding: 64px 0;
            background: var(--bg-warm);
            border-top: 1px solid var(--border);
        }

        .deep-content .content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .deep-content .content-text h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .deep-content .content-text p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .deep-content .content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

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

        @media (max-width: 991px) {
            .deep-content .content-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ========== CONTENT CARDS ========== */
        .content-cards-section {
            padding: 64px 0;
            background: var(--card-bg);
            border-top: 1px solid var(--border);
        }

        .content-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gutter);
        }

        .content-card {
            background: var(--bg-warm);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .content-card .card-img-wrap {
            height: 180px;
            overflow: hidden;
            flex-shrink: 0;
            position: relative;
        }

        .content-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

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

        .content-card .card-date-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 10px;
            border-radius: 4px;
            line-height: 1.2;
            text-align: center;
            z-index: 2;
        }

        .content-card .card-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .content-card .card-body .card-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 12px;
        }

        .content-card .card-body .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .content-card .card-body .tag-badge {
            background: var(--tag-bg);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 4px;
            white-space: nowrap;
        }

        .content-card .card-body .read-more {
            font-weight: 600;
            color: var(--accent);
            font-size: 0.9rem;
            border-bottom: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
        }

        .content-card .card-body .read-more:hover {
            color: var(--accent-hover);
            border-bottom: none;
        }

        @media (max-width: 1199px) {
            .content-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .content-cards-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== PAGINATION ========== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            padding: 32px 0 16px;
        }

        .pagination-custom {
            display: flex;
            gap: 6px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .pagination-custom .page-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text-primary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }

        .pagination-custom .page-link:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            border-bottom: 1px solid var(--accent);
        }

        .pagination-custom .page-link.active {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            font-weight: 700;
        }

        .pagination-custom .page-link.disabled {
            opacity: 0.5;
            pointer-events: none;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 64px 0;
            background: var(--bg-warm);
            border-top: 1px solid var(--border);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 0;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 0;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--primary);
            transition: color var(--transition-fast);
            gap: 12px;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--tag-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            transition: transform var(--transition-fast), background var(--transition-fast);
            color: var(--primary);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.75;
            padding: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 0 18px 0;
        }

        @media (max-width: 767px) {
            .faq-question {
                font-size: 0.95rem;
                padding: 14px 0;
            }
        }

        /* ========== CTA FORM ========== */
        .cta-form-section {
            padding: 64px 0;
            background: var(--bg-dark);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .cta-form-section .cta-form-inner {
            max-width: 600px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-form-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-inverse);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .cta-form-section .cta-form-desc {
            color: rgba(248, 246, 240, 0.8);
            font-size: 1rem;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-form-section .form-group {
            margin-bottom: 16px;
            text-align: left;
        }

        .cta-form-section .form-control-custom {
            width: 100%;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-inverse);
            font-size: 1rem;
            transition: border-color var(--transition-fast);
            outline: none;
            box-sizing: border-box;
        }

        .cta-form-section .form-control-custom::placeholder {
            color: rgba(248, 246, 240, 0.5);
        }

        .cta-form-section .form-control-custom:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(230, 180, 34, 0.15);
        }

        .cta-form-section .btn-submit {
            width: 100%;
            padding: 14px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast);
            margin-top: 8px;
        }

        .cta-form-section .btn-submit:hover {
            background: var(--accent-hover);
            transform: scale(1.02);
        }

        @media (max-width: 767px) {
            .cta-form-section h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== FOOTER ========== */
        .footer-section {
            background: var(--primary);
            color: var(--text-inverse);
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .footer-grid h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-inverse);
        }

        .footer-grid p {
            font-size: 0.9rem;
            color: rgba(248, 246, 240, 0.7);
            line-height: 1.7;
        }

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

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

        .footer-grid ul li a {
            color: rgba(248, 246, 240, 0.7);
            font-size: 0.9rem;
            border-bottom: none;
            transition: color var(--transition-fast);
        }

        .footer-grid ul li a:hover {
            color: var(--accent);
            border-bottom: none;
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 32px auto 0;
            padding: 20px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 0.82rem;
            color: rgba(248, 246, 240, 0.5);
            align-items: center;
        }

        .footer-bottom a {
            color: rgba(248, 246, 240, 0.5);
            border-bottom: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--accent);
            border-bottom: none;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1A1A2E;
            --accent: #E6B422;
            --accent-hover: #D4A017;
            --bg-warm: #F8F6F0;
            --bg-dark: #0F0F1A;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A2E;
            --text-secondary: #555555;
            --text-inverse: #F8F6F0;
            --border: #E0DDD5;
            --tag-bg: #F0EDE6;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(26, 26, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(26, 26, 46, 0.12);
            --shadow-nav: 0 1px 8px rgba(26, 26, 46, 0.06);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --font-en: 'Inter', 'SF Pro Display', sans-serif;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --container-max: 1200px;
            --gutter: 24px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-cn);
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: 64px;
            margin: 0;
        }

        a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition-fast), border-bottom var(--transition-fast);
            border-bottom: 1px solid transparent;
        }

        a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-primary);
            margin-top: 0;
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        h2 {
            font-size: 1.85rem;
            font-weight: 600;
            line-height: 1.3;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 500;
            line-height: 1.4;
        }
        p {
            margin-bottom: 1.25rem;
            color: var(--text-secondary);
        }

        /* ========== NAVIGATION ========== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(248, 246, 240, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            padding: 0;
            transition: background var(--transition-fast);
        }

        .navbar-custom .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
            gap: 20px;
        }

        .navbar-custom .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            border-bottom: none;
            font-family: var(--font-cn);
            flex-shrink: 0;
        }

        .navbar-custom .logo-text:hover {
            color: var(--accent);
            border-bottom: none;
        }

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

        .navbar-custom .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-primary);
            border-bottom: 2px solid transparent;
            padding: 4px 0;
            transition: border-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-custom .nav-links a:hover,
        .navbar-custom .nav-links a.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        .navbar-custom .nav-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            border-bottom: none;
            text-decoration: none;
            display: inline-block;
        }

        .navbar-custom .nav-cta:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }

        .navbar-custom .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

        .navbar-custom .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .navbar-custom .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .navbar-custom .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .navbar-custom .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .desktop-only {
            display: inline-block;
        }
        .mobile-cta {
            display: none;
        }

        @media (max-width: 991px) {
            .navbar-custom .nav-links {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(248, 246, 240, 0.98);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding: 40px 20px;
                gap: 24px;
                z-index: 1039;
                overflow-y: auto;
            }
            .navbar-custom .nav-links.open {
                display: flex;
            }
            .navbar-custom .nav-links a {
                font-size: 1.15rem;
                padding: 8px 0;
            }
            .navbar-custom .hamburger {
                display: block;
            }
            .desktop-only {
                display: none;
            }
            .mobile-cta {
                display: inline-block;
                margin-top: 12px;
                padding: 12px 28px;
                font-size: 1.05rem;
            }
            .navbar-custom .nav-inner {
                padding: 0 16px;
                height: 60px;
            }
            body {
                padding-top: 60px;
            }
        }

        @media (max-width: 767px) {
            .navbar-custom .nav-links {
                top: 60px;
                padding: 30px 16px;
                gap: 18px;
            }
            .navbar-custom .nav-links a {
                font-size: 1.05rem;
            }
            .navbar-custom .logo-text {
                font-size: 1.3rem;
            }
        }

        /* ========== BUTTONS ========== */
        .btn-primary-custom {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            display: inline-block;
            text-align: center;
            border-bottom: none;
            text-decoration: none;
        }
        .btn-primary-custom:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }
        .btn-secondary-custom {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            cursor: pointer;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
            text-decoration: none;
        }
        .btn-secondary-custom:hover {
            background: var(--primary);
            color: var(--text-inverse);
            border-bottom: 2px solid var(--primary);
        }
        .btn-sm-custom {
            padding: 8px 18px;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
            border: none;
            text-decoration: none;
        }
        .btn-accent-sm {
            background: var(--accent);
            color: var(--primary);
            border-bottom: none;
        }
        .btn-accent-sm:hover {
            background: var(--accent-hover);
            color: var(--primary);
            border-bottom: none;
            transform: scale(1.03);
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .card-custom .card-img-wrap {
            overflow: hidden;
            position: relative;
            aspect-ratio: 16 / 10;
            background: #f0ede6;
        }
        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card-custom:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-custom .card-body-custom {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-custom .card-date {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 8px;
            font-family: var(--font-en);
        }
        .card-custom .card-title-link {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
            border-bottom: none;
            display: block;
        }
        .card-custom .card-title-link:hover {
            color: var(--accent);
            border-bottom: none;
        }
        .card-custom .card-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .card-custom .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: auto;
        }
        .tag-badge {
            display: inline-block;
            background: var(--tag-bg);
            color: var(--text-primary);
            font-size: 0.78rem;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 4px;
            white-space: nowrap;
            border-bottom: none;
        }
        .tag-badge:hover {
            background: var(--accent);
            color: var(--primary);
            border-bottom: none;
        }

        /* ========== HERO FLASH SALE ========== */
        .hero-flash {
            background: var(--bg-dark);
            color: var(--text-inverse);
            padding: 50px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .hero-flash::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(230, 180, 34, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-flash .flash-banner {
            background: linear-gradient(135deg, #E6B422 0%, #D4A017 100%);
            color: #1A1A2E;
            text-align: center;
            padding: 12px 20px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.04em;
            margin-bottom: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .flash-banner .flash-icon {
            font-size: 1.3rem;
            animation: pulse-icon 1.5s ease-in-out infinite;
        }
        @keyframes pulse-icon {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.25);
            }
        }
        .flash-countdown {
            display: flex;
            align-items: center;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .countdown-item {
            background: #1A1A2E;
            color: #E6B422;
            font-family: var(--font-en);
            font-size: 2rem;
            font-weight: 800;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            min-width: 52px;
            text-align: center;
            line-height: 1;
            letter-spacing: 0.02em;
        }
        .countdown-label {
            font-size: 0.8rem;
            color: #1A1A2E;
            font-weight: 600;
            display: block;
            margin-top: 2px;
        }
        .countdown-sep {
            font-size: 1.5rem;
            font-weight: 700;
            color: #1A1A2E;
        }
        .hero-flash .hero-main-row {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-flash .hero-text h1 {
            color: var(--text-inverse);
            font-size: 2.8rem;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .hero-flash .hero-text h1 span {
            color: var(--accent);
        }
        .hero-flash .hero-text .hero-subtitle {
            color: #cccccc;
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .hero-flash .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-flash .featured-report-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px;
            color: var(--text-primary);
            border: 2px solid var(--accent);
            box-shadow: 0 4px 28px rgba(230, 180, 34, 0.2);
            position: relative;
        }
        .featured-report-card .report-badge {
            position: absolute;
            top: -14px;
            right: 20px;
            background: #E6B422;
            color: #1A1A2E;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }
        .featured-report-card .report-img {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background: #f0ede6;
        }
        .featured-report-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--primary);
        }
        .featured-report-card .report-highlights {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }
        .featured-report-card .report-highlights li {
            padding: 3px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 6px;
        }
        .featured-report-card .report-highlights li::before {
            content: '✓';
            color: #E6B422;
            font-weight: 700;
            flex-shrink: 0;
        }
        .featured-report-card .price-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .price-row .original-price {
            text-decoration: line-through;
            color: #999;
            font-size: 0.95rem;
        }
        .price-row .current-price {
            font-size: 1.6rem;
            font-weight: 800;
            color: #E6B422;
            font-family: var(--font-en);
        }
        .price-row .free-tag {
            background: #E6B422;
            color: #1A1A2E;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 4px;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
        }

        @media (max-width: 991px) {
            .hero-flash .hero-main-row {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-flash .hero-text h1 {
                font-size: 2.2rem;
            }
            .countdown-item {
                font-size: 1.5rem;
                min-width: 42px;
                padding: 6px 10px;
            }
            .flash-banner {
                font-size: 0.9rem;
                padding: 10px 14px;
            }
        }
        @media (max-width: 767px) {
            .hero-flash {
                padding: 30px 0 40px;
            }
            .hero-flash .hero-text h1 {
                font-size: 1.75rem;
            }
            .hero-flash .hero-text .hero-subtitle {
                font-size: 0.95rem;
            }
            .countdown-item {
                font-size: 1.25rem;
                min-width: 36px;
                padding: 5px 8px;
            }
            .countdown-sep {
                font-size: 1.1rem;
            }
            .featured-report-card {
                padding: 20px;
            }
            .hero-flash .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .hero-flash .hero-cta-group .btn-primary-custom,
            .hero-flash .hero-cta-group .btn-secondary-custom {
                width: 100%;
                text-align: center;
            }
        }

        /* ========== SECTION SPACING ========== */
        .section-padding {
            padding: 60px 0;
        }
        .section-padding-sm {
            padding: 40px 0;
        }
        .section-padding-lg {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }
        .section-dark h2,
        .section-dark h3 {
            color: var(--text-inverse);
        }
        .section-dark p {
            color: #cccccc;
        }

        /* ========== PAGINATION ========== */
        .pagination-custom {
            display: flex;
            justify-content: center;
            gap: 6px;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .pagination-custom .page-item .page-link {
            display: block;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text-primary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            border-bottom: 1px solid var(--border);
        }
        .pagination-custom .page-item .page-link:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }
        .pagination-custom .page-item.active .page-link {
            background: var(--primary);
            color: var(--text-inverse);
            border-color: var(--primary);
            font-weight: 700;
        }
        .pagination-custom .page-item.disabled .page-link {
            opacity: 0.4;
            pointer-events: none;
            cursor: default;
        }

        /* ========== SIDEBAR ========== */
        .sidebar-widget {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-card);
        }
        .sidebar-widget h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }
        .sidebar-widget .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-widget .rss-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--accent);
            font-size: 0.95rem;
            border-bottom: none;
            padding: 8px 0;
        }
        .sidebar-widget .rss-link:hover {
            color: var(--accent-hover);
            border-bottom: none;
        }
        .sidebar-widget .rss-link i {
            font-size: 1.2rem;
        }

        /* ========== FOOTER ========== */
        .footer-section {
            background: var(--bg-dark);
            color: #cccccc;
            padding: 50px 0 20px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-grid h4 {
            color: var(--text-inverse);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-grid p {
            color: #aaaaaa;
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-grid ul li {
            margin-bottom: 8px;
        }
        .footer-grid ul li a {
            color: #aaaaaa;
            font-size: 0.9rem;
            border-bottom: none;
            transition: color var(--transition-fast);
        }
        .footer-grid ul li a:hover {
            color: var(--accent);
            border-bottom: none;
        }
        .footer-bottom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 16px 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: #888888;
            align-items: center;
        }
        .footer-bottom a {
            color: #888888;
            border-bottom: none;
            font-size: 0.82rem;
        }
        .footer-bottom a:hover {
            color: var(--accent);
            border-bottom: none;
        }
        .footer-bottom span {
            white-space: nowrap;
        }

        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        /* ========== OVERVIEW SECTION ========== */
        .overview-section {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 36px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
        }
        .overview-section p {
            font-size: 1rem;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }

        /* ========== DEEP REPORT SECTION ========== */
        .deep-report-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .deep-report-grid .report-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: #f0ede6;
        }
        .deep-report-grid .report-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .deep-report-grid .report-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .deep-report-grid .report-content p {
            line-height: 1.9;
            color: var(--text-secondary);
        }

        @media (max-width: 767px) {
            .deep-report-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .overview-section {
                padding: 20px;
            }
        }

        /* ========== DATA HIGHLIGHTS ========== */
        .data-highlights-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-highlight-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-smooth);
        }
        .data-highlight-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .data-highlight-item .hl-number {
            font-family: var(--font-en);
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 8px;
        }
        .data-highlight-item .hl-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        @media (max-width: 991px) {
            .data-highlights-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .data-highlights-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-highlight-item {
                padding: 18px 10px;
            }
            .data-highlight-item .hl-number {
                font-size: 2rem;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section-custom {
            background: linear-gradient(135deg, #1A1A2E 0%, #0F0F1A 100%);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            color: var(--text-inverse);
            position: relative;
            overflow: hidden;
        }
        .cta-section-custom::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(230, 180, 34, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section-custom h2 {
            color: var(--text-inverse);
            position: relative;
            z-index: 1;
            margin-bottom: 12px;
        }
        .cta-section-custom p {
            color: #cccccc;
            position: relative;
            z-index: 1;
            margin-bottom: 24px;
            font-size: 1.05rem;
        }
        .cta-section-custom .btn-primary-custom {
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
            padding: 16px 40px;
        }

        @media (max-width: 767px) {
            .cta-section-custom {
                padding: 36px 20px;
            }
            .cta-section-custom h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== RELATED SERVICES ========== */
        .related-services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-service-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            text-align: center;
        }
        .related-service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .related-service-card .service-icon {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .related-service-card h4 {
            font-weight: 700;
            margin-bottom: 8px;
            font-size: 1.05rem;
        }
        .related-service-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.6;
        }

        @media (max-width: 991px) {
            .related-services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .related-services-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== MISC ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .text-accent {
            color: var(--accent);
        }
        .fw-700 {
            font-weight: 700;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-auto {
            margin-top: auto;
        }

/* roulang page: category4 */
:root {
            --primary: #1A1A2E;
            --accent: #E6B422;
            --accent-hover: #D4A017;
            --bg-warm: #F8F6F0;
            --bg-dark: #0F0F1A;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A2E;
            --text-secondary: #555555;
            --text-inverse: #F8F6F0;
            --border: #E0DDD5;
            --tag-bg: #F0EDE6;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(26, 26, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(26, 26, 46, 0.12);
            --shadow-nav: 0 1px 8px rgba(26, 26, 46, 0.06);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --font-en: 'Inter', 'SF Pro Display', sans-serif;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --container-max: 1200px;
            --gutter: 24px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-cn);
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: 64px;
        }

        a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition-fast), border-bottom var(--transition-fast);
            border-bottom: 1px solid transparent;
        }

        a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(248, 246, 240, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            padding: 0;
            transition: background var(--transition-fast);
        }

        .navbar-custom .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
            gap: 20px;
        }

        .navbar-custom .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            border-bottom: none;
            font-family: var(--font-cn);
            flex-shrink: 0;
        }

        .navbar-custom .logo-text:hover {
            color: var(--accent);
            border-bottom: none;
        }

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

        .navbar-custom .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-primary);
            border-bottom: 2px solid transparent;
            padding: 4px 0;
            transition: border-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-custom .nav-links a:hover,
        .navbar-custom .nav-links a.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        .navbar-custom .nav-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            border-bottom: none;
            text-decoration: none;
            display: inline-block;
        }

        .navbar-custom .nav-cta:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }

        .navbar-custom .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
            z-index: 1050;
        }

        .navbar-custom .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .navbar-custom .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .navbar-custom .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .navbar-custom .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .nav-links .mobile-cta {
            display: none;
        }

        @media (max-width: 991px) {
            .navbar-custom .nav-links {
                display: flex;
                flex-direction: column;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(248, 246, 240, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                padding: 32px 24px;
                gap: 20px;
                align-items: flex-start;
                transform: translateX(100%);
                transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                overflow-y: auto;
                z-index: 1035;
                box-shadow: -4px 0 24px rgba(26, 26, 46, 0.08);
            }
            .navbar-custom .nav-links.open {
                transform: translateX(0);
            }
            .navbar-custom .nav-links a {
                font-size: 1.1rem;
                padding: 8px 0;
                width: 100%;
                border-bottom: 1px solid var(--border);
            }
            .navbar-custom .nav-links a.active {
                border-bottom-color: var(--accent);
            }
            .navbar-custom .hamburger {
                display: block;
            }
            .navbar-custom .desktop-only {
                display: none;
            }
            .nav-links .mobile-cta {
                display: inline-block;
                margin-top: 12px;
                width: 100%;
                text-align: center;
                padding: 14px 28px;
                font-size: 1.05rem;
                border-bottom: none;
                border-radius: var(--radius-sm);
                background: var(--accent);
                color: var(--primary);
                font-weight: 600;
            }
            .nav-links .mobile-cta:hover {
                background: var(--accent-hover);
                color: var(--primary);
                border-bottom: none;
            }
        }

        @media (min-width: 992px) {
            .navbar-custom .nav-links {
                display: flex;
                flex-direction: row;
                position: static;
                background: transparent;
                backdrop-filter: none;
                padding: 0;
                gap: 28px;
                transform: none;
                overflow: visible;
                box-shadow: none;
            }
            .navbar-custom .hamburger {
                display: none;
            }
            .navbar-custom .desktop-only {
                display: inline-block;
            }
            .nav-links .mobile-cta {
                display: none;
            }
        }

        /* ========== HERO ========== */
        .hero-category {
            position: relative;
            background: var(--bg-dark);
            padding: 80px 0 70px;
            overflow: hidden;
        }

        .hero-category .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-category .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.82) 0%, rgba(26, 26, 46, 0.7) 100%);
            z-index: 1;
        }

        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            text-align: center;
        }

        .hero-category .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .hero-category h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--text-inverse);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            font-family: var(--font-cn);
            line-height: 1.3;
        }

        .hero-category .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(248, 246, 240, 0.85);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .hero-category .hero-cta-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 13px 32px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            display: inline-block;
            border-bottom: none;
            text-decoration: none;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }

        .btn-outline-light-custom {
            background: transparent;
            color: var(--text-inverse);
            font-weight: 600;
            padding: 13px 32px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--text-inverse);
            cursor: pointer;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
            border-bottom: none;
            text-decoration: none;
        }

        .btn-outline-light-custom:hover {
            background: var(--text-inverse);
            color: var(--primary);
            border-bottom: none;
            transform: scale(1.03);
        }

        /* ========== METRICS BAR ========== */
        .metrics-bar {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 28px 0;
        }
        .metrics-bar .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            text-align: center;
        }
        .metrics-bar .metric-item .metric-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            font-family: var(--font-en);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .metrics-bar .metric-item .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 4px;
            font-weight: 500;
        }

        /* ========== SECTION COMMON ========== */
        .section-block {
            padding: 60px 0;
        }
        .section-block.bg-white {
            background: var(--card-bg);
        }
        .section-block.bg-dark-custom {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin-bottom: 10px;
            text-align: center;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .bg-dark-custom .section-title {
            color: var(--text-inverse);
        }
        .bg-dark-custom .section-subtitle {
            color: rgba(248, 246, 240, 0.75);
        }

        /* ========== HIGHLIGHT CARDS ========== */
        .highlight-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .highlight-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            text-align: center;
        }
        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .highlight-card .card-icon {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 14px;
        }
        .highlight-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .highlight-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== SCENARIO CARDS ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .scenario-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .scenario-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .scenario-card .scenario-body {
            padding: 20px 22px;
            flex: 1;
        }
        .scenario-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .scenario-card p {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CONTENT CARDS MATRIX ========== */
        .content-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .content-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .content-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .content-card:hover img {
            transform: scale(1.04);
        }
        .content-card .card-body-content {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .content-card .card-tag {
            display: inline-block;
            background: var(--tag-bg);
            color: var(--text-primary);
            font-size: 0.78rem;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
            width: fit-content;
        }
        .content-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .content-card .card-summary {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 10px;
        }
        .content-card .card-date {
            font-size: 0.8rem;
            color: #999;
            margin-top: auto;
        }
        .content-card .card-link {
            font-weight: 600;
            color: var(--accent);
            border-bottom: 1px solid transparent;
            font-size: 0.9rem;
            display: inline-block;
            margin-top: 8px;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .content-card .card-link:hover {
            border-bottom-color: var(--accent);
            color: var(--accent-hover);
        }

        /* ========== PAGINATION ========== */
        .pagination-wrapper {
            display: flex;
            justify-content: center;
            padding: 20px 0 10px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .pagination-custom {
            display: flex;
            gap: 6px;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
            justify-content: center;
        }
        .pagination-custom .page-item .page-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text-primary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }
        .pagination-custom .page-item .page-link:hover {
            background: var(--tag-bg);
            border-color: var(--accent);
            color: var(--accent);
        }
        .pagination-custom .page-item.active .page-link {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary);
            font-weight: 700;
            pointer-events: none;
        }
        .pagination-custom .page-item.disabled .page-link {
            color: #bbb;
            pointer-events: none;
            background: #fafaf8;
            border-color: var(--border);
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
        }
        .process-step .step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 1.2rem;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
            font-family: var(--font-en);
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        .process-steps::before {
            content: '';
            position: absolute;
            top: 25px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: var(--border);
            z-index: 1;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 0;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 0;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            font-family: var(--font-cn);
            transition: color var(--transition-fast);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--accent);
            transition: transform var(--transition-fast);
            font-family: var(--font-en);
            line-height: 1;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2), padding 0.4s ease;
            padding: 0;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 0 18px 0;
        }
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--bg-dark);
            padding: 60px 0;
            text-align: center;
        }
        .cta-section .cta-inner {
            max-width: 650px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-inverse);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(248, 246, 240, 0.8);
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 13px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: #fff;
            font-size: 0.95rem;
            color: var(--text-primary);
            transition: border-color var(--transition-fast);
            font-family: var(--font-cn);
        }
        .cta-form input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(230, 180, 34, 0.15);
        }
        .cta-form input::placeholder {
            color: #999;
        }
        .cta-form .btn-accent {
            padding: 13px 28px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ========== FOOTER ========== */
        .footer-section {
            background: #111122;
            color: rgba(248, 246, 240, 0.8);
            padding: 50px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px 30px;
            border-bottom: 1px solid rgba(224, 221, 213, 0.2);
        }
        .footer-grid h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-inverse);
            margin-bottom: 14px;
        }
        .footer-grid p {
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0;
            color: rgba(248, 246, 240, 0.7);
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-grid ul li {
            margin-bottom: 8px;
        }
        .footer-grid ul li a {
            font-size: 0.9rem;
            color: rgba(248, 246, 240, 0.7);
            border-bottom: 1px solid transparent;
            transition: all var(--transition-fast);
        }
        .footer-grid ul li a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            align-items: center;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 18px 20px 0;
            font-size: 0.82rem;
            color: rgba(248, 246, 240, 0.55);
            text-align: center;
        }
        .footer-bottom a {
            color: rgba(248, 246, 240, 0.55);
            border-bottom: 1px solid transparent;
            transition: all var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .footer-bottom span {
            white-space: nowrap;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 991px) {
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category .hero-subtitle {
                font-size: 1rem;
            }
            .metrics-bar .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .metrics-bar .metric-item .metric-number {
                font-size: 2.2rem;
            }
            .highlight-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .content-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .process-steps::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .hero-category {
                padding: 50px 0 45px;
            }
            .hero-category h1 {
                font-size: 1.55rem;
            }
            .hero-category .hero-subtitle {
                font-size: 0.9rem;
            }
            .btn-accent,
            .btn-outline-light-custom {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
            .metrics-bar .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .metrics-bar .metric-item .metric-number {
                font-size: 1.8rem;
            }
            .highlight-cards-grid {
                grid-template-columns: 1fr;
            }
            .content-cards-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .process-steps::before {
                display: none;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
                min-width: auto;
            }
            .pagination-custom .page-item .page-link {
                width: 34px;
                height: 34px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 1.35rem;
            }
            .hero-category .hero-badge {
                font-size: 0.75rem;
                padding: 4px 12px;
            }
            .metrics-bar .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metrics-bar .metric-item .metric-number {
                font-size: 1.5rem;
            }
            .metrics-bar .metric-item .metric-label {
                font-size: 0.78rem;
            }
            .highlight-cards-grid {
                grid-template-columns: 1fr;
            }
            .content-cards-grid {
                grid-template-columns: 1fr;
            }
            .scenario-card img {
                height: 150px;
            }
            .content-card img {
                height: 160px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1A1A2E;
            --accent: #E6B422;
            --accent-hover: #D4A017;
            --bg-warm: #F8F6F0;
            --bg-dark: #0F0F1A;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A2E;
            --text-secondary: #555555;
            --text-inverse: #F8F6F0;
            --border: #E0DDD5;
            --tag-bg: #F0EDE6;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(26, 26, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(26, 26, 46, 0.12);
            --shadow-nav: 0 1px 8px rgba(26, 26, 46, 0.06);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --font-en: 'Inter', 'SF Pro Display', sans-serif;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --container-max: 1200px;
            --gutter: 24px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-cn);
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: 64px;
        }

        a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition-fast), border-bottom var(--transition-fast);
            border-bottom: 1px solid transparent;
        }

        a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(248, 246, 240, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            padding: 0;
            transition: background var(--transition-fast);
        }

        .navbar-custom .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
            gap: 20px;
        }

        .navbar-custom .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            border-bottom: none;
            font-family: var(--font-cn);
            flex-shrink: 0;
        }

        .navbar-custom .logo-text:hover {
            color: var(--accent);
            border-bottom: none;
        }

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

        .navbar-custom .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-primary);
            border-bottom: 2px solid transparent;
            padding: 4px 0;
            transition: border-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-custom .nav-links a:hover,
        .navbar-custom .nav-links a.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        .navbar-custom .nav-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            border-bottom: none;
            text-decoration: none;
            display: inline-block;
        }

        .navbar-custom .nav-cta:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }

        .navbar-custom .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

        .navbar-custom .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .navbar-custom .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .navbar-custom .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .navbar-custom .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .desktop-only {
            display: inline-block;
        }

        .mobile-cta {
            display: none !important;
        }

        @media (max-width: 991px) {
            .navbar-custom .nav-links {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(248, 246, 240, 0.98);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                gap: 18px;
                padding: 40px 20px 20px;
                overflow-y: auto;
                z-index: 1039;
            }

            .navbar-custom .nav-links.show {
                display: flex;
            }

            .navbar-custom .nav-links a {
                font-size: 1.1rem;
                padding: 8px 0;
            }

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

            .desktop-only {
                display: none !important;
            }

            .mobile-cta {
                display: inline-block !important;
                margin-top: 12px;
                width: 100%;
                text-align: center;
                padding: 14px 22px;
            }
        }

        @media (max-width: 767px) {
            .navbar-custom .nav-inner {
                padding: 0 16px;
            }
            .navbar-custom .logo-text {
                font-size: 1.3rem;
            }
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.82) 0%, rgba(15, 15, 26, 0.7) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            color: var(--text-inverse);
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            line-height: 1.25;
            font-family: var(--font-cn);
            color: #FFFFFF;
        }

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

        .hero-content .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(248, 246, 240, 0.9);
            margin-bottom: 28px;
            max-width: 640px;
            line-height: 1.7;
        }

        .hero-content .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            border-bottom: none;
            display: inline-block;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }

        .btn-outline-light-custom {
            background: transparent;
            color: #F8F6F0;
            font-weight: 600;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            border: 2px solid #F8F6F0;
            cursor: pointer;
            font-size: 1rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            border-bottom: none;
            display: inline-block;
        }

        .btn-outline-light-custom:hover {
            background: #F8F6F0;
            color: var(--primary);
            border-bottom: none;
            transform: scale(1.03);
        }

        @media (max-width: 767px) {
            .hero-section {
                min-height: 340px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .hero-content .hero-btns {
                flex-direction: column;
                gap: 10px;
            }
            .btn-accent,
            .btn-outline-light-custom {
                padding: 12px 28px;
                font-size: 0.95rem;
                text-align: center;
                width: 100%;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section-padding {
            padding: 70px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: -0.02em;
            font-family: var(--font-cn);
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.7;
            max-width: 700px;
        }

        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin-bottom: 20px;
        }

        @media (max-width: 767px) {
            .section-padding {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        /* ========== HIGHLIGHTS SECTION ========== */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .highlight-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            text-align: center;
        }

        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .highlight-card .highlight-icon {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 16px;
            display: block;
        }

        .highlight-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--primary);
        }

        .highlight-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        @media (max-width: 991px) {
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .highlight-card {
                padding: 24px 20px;
            }
        }

        /* ========== CONTENT CARDS SECTION ========== */
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 32px;
            align-items: start;
        }

        .cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .content-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .content-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f0ece4;
        }

        .content-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

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

        .content-card .card-body-custom {
            padding: 20px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .content-card .card-tag {
            display: inline-block;
            background: var(--tag-bg);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
            width: fit-content;
        }

        .content-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--primary);
            line-height: 1.45;
        }

        .content-card .card-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 12px;
            flex: 1;
        }

        .content-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: #999;
            padding-top: 10px;
            border-top: 1px solid var(--border);
        }

        .content-card .read-more-link {
            font-weight: 600;
            color: var(--accent);
            border-bottom: none;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .content-card .read-more-link:hover {
            color: var(--accent-hover);
            border-bottom: 1px solid var(--accent-hover);
        }

        @media (max-width: 991px) {
            .content-layout {
                grid-template-columns: 1fr;
            }
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .cards-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            position: sticky;
            top: 84px;
        }

        .sidebar-block {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-block h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--primary);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }

        .sidebar-block .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-block .tag-list .tag-item {
            background: var(--tag-bg);
            color: var(--primary);
            font-size: 0.82rem;
            padding: 5px 12px;
            border-radius: 4px;
            font-weight: 500;
            border-bottom: none;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .sidebar-block .tag-list .tag-item:hover {
            background: var(--accent);
            color: var(--primary);
            border-bottom: none;
        }

        .sidebar-block .rss-link {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.95rem;
            border-bottom: none;
            transition: color var(--transition-fast);
        }

        .sidebar-block .rss-link:hover {
            color: var(--accent-hover);
            border-bottom: none;
        }

        .sidebar-block .rss-link i {
            font-size: 1.1rem;
        }

        @media (max-width: 991px) {
            .sidebar {
                position: static;
                top: auto;
                margin-top: 20px;
            }
        }

        /* ========== PAGINATION ========== */
        .pagination-custom {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .pagination-custom .page-link-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text-primary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            border-bottom: none;
        }

        .pagination-custom .page-link-custom:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            border-bottom: none;
        }

        .pagination-custom .page-link-custom.active {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            font-weight: 700;
            pointer-events: none;
            border-bottom: none;
        }

        .pagination-custom .page-link-custom.disabled {
            opacity: 0.4;
            pointer-events: none;
            border-bottom: none;
        }

        /* ========== DEEP CONTENT SECTION ========== */
        .deep-content-section {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

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

        .deep-content-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--primary);
        }

        .deep-content-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .deep-content-text .deep-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .deep-content-text .deep-list li {
            padding: 8px 0 8px 24px;
            position: relative;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .deep-content-text .deep-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }

        .deep-content-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
        }

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

        @media (max-width: 991px) {
            .deep-content-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .deep-content-img {
                order: -1;
            }
        }

        /* ========== SCENARIOS SECTION ========== */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }

        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .scenario-card .scenario-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .scenario-card h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--primary);
        }

        .scenario-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 991px) {
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .scenarios-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== PROCESS SECTION ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
        }

        .process-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 14px;
            font-family: var(--font-en);
            position: relative;
            z-index: 2;
        }

        .process-step .step-connector {
            position: absolute;
            top: 26px;
            left: 60%;
            width: 80%;
            height: 2px;
            background: var(--border);
            z-index: 1;
        }

        .process-step:last-child .step-connector {
            display: none;
        }

        .process-step h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--primary);
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin: 0;
        }

        @media (max-width: 991px) {
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
            }
            .process-step .step-connector {
                display: none;
            }
        }

        @media (max-width: 767px) {
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        /* ========== COMPARISON SECTION ========== */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            background: var(--card-bg);
            box-shadow: var(--shadow-card);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .comparison-table th {
            background: var(--primary);
            color: var(--text-inverse);
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            border: none;
        }

        .comparison-table th:first-child {
            text-align: left;
            border-radius: var(--radius-md) 0 0 0;
        }

        .comparison-table th:last-child {
            border-radius: 0 var(--radius-md) 0 0;
            background: var(--accent);
            color: var(--primary);
        }

        .comparison-table td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
            color: var(--text-secondary);
            text-align: center;
            vertical-align: middle;
        }

        .comparison-table td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--primary);
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table .check-icon {
            color: #22c55e;
            font-size: 1.1rem;
        }

        .comparison-table .cross-icon {
            color: #ef4444;
            font-size: 1.1rem;
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .accordion-custom .accordion-item-custom {
            border-bottom: 1px solid var(--border);
            padding: 0;
        }

        .accordion-custom .accordion-header-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--primary);
            transition: color var(--transition-fast);
            user-select: none;
            gap: 12px;
        }

        .accordion-custom .accordion-header-custom:hover {
            color: var(--accent);
        }

        .accordion-custom .accordion-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--tag-bg);
            font-size: 1.1rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            color: var(--primary);
        }

        .accordion-custom .accordion-item-custom.open .accordion-icon {
            background: var(--accent);
            transform: rotate(45deg);
        }

        .accordion-custom .accordion-body-custom {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        .accordion-custom .accordion-item-custom.open .accordion-body-custom {
            max-height: 400px;
            padding: 0 0 18px 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--bg-dark);
            padding: 70px 0;
            text-align: center;
        }

        .cta-section h2 {
            color: #FFFFFF;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            color: rgba(248, 246, 240, 0.8);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form .form-control-custom {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(248, 246, 240, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
            font-size: 1rem;
            outline: none;
            transition: border-color var(--transition-fast);
        }

        .cta-form .form-control-custom::placeholder {
            color: rgba(248, 246, 240, 0.5);
        }

        .cta-form .form-control-custom:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(230, 180, 34, 0.2);
        }

        .cta-form .btn-submit {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

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

        @media (max-width: 767px) {
            .cta-section {
                padding: 44px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form .form-control-custom {
                min-width: auto;
                width: 100%;
            }
            .cta-form .btn-submit {
                width: 100%;
            }
        }

        /* ========== FOOTER ========== */
        .footer-section {
            background: var(--primary);
            color: rgba(248, 246, 240, 0.8);
            padding: 50px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px 30px;
            border-bottom: 1px solid rgba(248, 246, 240, 0.15);
        }

        .footer-grid h4 {
            color: #FFFFFF;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-grid p {
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0;
            color: rgba(248, 246, 240, 0.7);
        }

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

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

        .footer-grid ul li a {
            color: rgba(248, 246, 240, 0.7);
            font-size: 0.9rem;
            border-bottom: none;
            transition: color var(--transition-fast);
        }

        .footer-grid ul li a:hover {
            color: var(--accent);
            border-bottom: none;
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 20px 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
            font-size: 0.82rem;
            color: rgba(248, 246, 240, 0.55);
            align-items: center;
            justify-content: center;
        }

        .footer-bottom a {
            color: rgba(248, 246, 240, 0.55);
            border-bottom: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--accent);
            border-bottom: none;
        }

        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1A1A2E;
            --accent: #E6B422;
            --accent-hover: #D4A017;
            --bg-warm: #F8F6F0;
            --bg-dark: #0F0F1A;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A2E;
            --text-secondary: #555555;
            --text-inverse: #F8F6F0;
            --border: #E0DDD5;
            --tag-bg: #F0EDE6;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(26, 26, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(26, 26, 46, 0.12);
            --shadow-nav: 0 1px 8px rgba(26, 26, 46, 0.06);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --font-en: 'Inter', 'SF Pro Display', sans-serif;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --container-max: 1200px;
            --gutter: 24px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-cn);
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: 64px;
        }

        a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition-fast), border-bottom var(--transition-fast);
            border-bottom: 1px solid transparent;
        }

        a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-cn);
            color: var(--text-primary);
            line-height: 1.3;
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: 1.75rem;
            font-weight: 600;
        }

        h3 {
            font-size: 1.25rem;
            font-weight: 500;
        }

        p {
            font-size: 1rem;
            line-height: 1.8;
            font-weight: 400;
            margin-bottom: 1.5rem;
            color: var(--text-secondary);
        }

        /* ========== NAVIGATION ========== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(248, 246, 240, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            padding: 0;
            transition: background var(--transition-fast);
        }

        .navbar-custom .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
            gap: 20px;
        }

        .navbar-custom .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            border-bottom: none;
            font-family: var(--font-cn);
            flex-shrink: 0;
        }

        .navbar-custom .logo-text:hover {
            color: var(--accent);
            border-bottom: none;
        }

        .navbar-custom .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .navbar-custom .nav-links a {
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-primary);
            border-bottom: 2px solid transparent;
            padding: 4px 0;
            transition: border-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-custom .nav-links a:hover,
        .navbar-custom .nav-links a.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        .navbar-custom .nav-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            border-bottom: none;
            text-decoration: none;
            display: inline-block;
        }

        .navbar-custom .nav-cta:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }

        .navbar-custom .desktop-only {
            display: inline-block;
        }

        .navbar-custom .mobile-cta {
            display: none;
        }

        .navbar-custom .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
            z-index: 1050;
        }

        .navbar-custom .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .navbar-custom .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .navbar-custom .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .navbar-custom .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 991px) {
            .navbar-custom .nav-links {
                display: none;
            }

            .navbar-custom .nav-links.show {
                display: flex;
                flex-direction: column;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(248, 246, 240, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                padding: 32px 24px;
                gap: 20px;
                align-items: flex-start;
                overflow-y: auto;
                z-index: 1035;
            }

            .navbar-custom .nav-links.show a {
                font-size: 1.1rem;
                padding: 8px 0;
                width: 100%;
                border-bottom: 1px solid var(--border);
            }

            .navbar-custom .nav-links.show a.nav-cta {
                text-align: center;
                margin-top: 16px;
                border-bottom: none;
                width: 100%;
                padding: 14px 0;
                font-size: 1.05rem;
            }

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

            .navbar-custom .desktop-only {
                display: none;
            }

            .navbar-custom .mobile-cta {
                display: block;
            }
        }

        @media (min-width: 992px) {
            .navbar-custom .nav-links {
                display: flex !important;
                position: static;
                background: transparent;
                padding: 0;
                flex-direction: row;
                gap: 24px;
                overflow: visible;
            }

            .navbar-custom .nav-links a {
                border-bottom: 2px solid transparent;
                width: auto;
            }

            .navbar-custom .hamburger {
                display: none;
            }

            .navbar-custom .mobile-cta {
                display: none;
            }

            .navbar-custom .desktop-only {
                display: inline-block;
            }
        }

        /* ========== HERO ========== */
        .hero-category {
            position: relative;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(15, 15, 26, 0.92) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 80px 0 70px;
            color: var(--text-inverse);
            text-align: left;
            overflow: hidden;
        }

        .hero-category .hero-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .hero-category .hero-text {
            flex: 1 1 480px;
        }

        .hero-category .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .hero-category h1 {
            color: var(--text-inverse);
            font-size: 2.8rem;
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .hero-category .hero-subtitle {
            color: rgba(248, 246, 240, 0.85);
            font-size: 1.15rem;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-category .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-custom {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            display: inline-block;
            text-decoration: none;
            border-bottom: none;
        }

        .btn-primary-custom:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            border-bottom: none;
            color: var(--primary);
        }

        .btn-outline-custom {
            background: transparent;
            color: var(--text-inverse);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--text-inverse);
            cursor: pointer;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
            text-decoration: none;
        }

        .btn-outline-custom:hover {
            background: var(--text-inverse);
            color: var(--primary);
            border-bottom: 2px solid var(--text-inverse);
        }

        .hero-category .hero-stats-mini {
            flex: 0 0 240px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-category .stat-mini-card {
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-category .stat-mini-card .stat-number {
            font-family: var(--font-en);
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .hero-category .stat-mini-card .stat-label {
            font-size: 0.85rem;
            color: rgba(248, 246, 240, 0.75);
            margin-top: 4px;
        }

        @media (max-width: 767px) {
            .hero-category {
                padding: 50px 0 44px;
            }

            .hero-category h1 {
                font-size: 2rem;
            }

            .hero-category .hero-inner {
                flex-direction: column;
                gap: 28px;
            }

            .hero-category .hero-stats-mini {
                flex-direction: row;
                flex-wrap: wrap;
                flex: 1 1 auto;
                width: 100%;
                gap: 10px;
            }

            .hero-category .stat-mini-card {
                flex: 1 1 44%;
                min-width: 120px;
            }
        }

        /* ========== SECTION ========== */
        .section-padding {
            padding: 64px 0;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 36px;
            max-width: 640px;
        }

        .section-header {
            margin-bottom: 36px;
        }

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

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

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }

        .card-custom {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f0ede6;
        }

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

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

        .card-custom .card-body-custom {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-custom .card-tag {
            display: inline-block;
            background: var(--tag-bg);
            color: var(--text-primary);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
            width: fit-content;
        }

        .card-custom .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .card-custom .card-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }

        .card-custom .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: #999;
            border-top: 1px solid var(--border);
            padding-top: 12px;
            margin-top: auto;
        }

        .card-custom .card-link {
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            border-bottom: none;
            transition: color var(--transition-fast);
        }

        .card-custom .card-link:hover {
            color: var(--accent-hover);
            border-bottom: 1px solid var(--accent-hover);
        }

        /* ========== PAGINATION ========== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            margin-top: 40px;
        }

        .pagination-custom {
            display: flex;
            gap: 6px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .pagination-custom .page-item .page-link {
            display: block;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text-primary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            border-bottom: 1px solid var(--border);
        }

        .pagination-custom .page-item .page-link:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            border-bottom: 1px solid var(--accent);
        }

        .pagination-custom .page-item.active .page-link {
            background: var(--primary);
            color: var(--text-inverse);
            border-color: var(--primary);
            font-weight: 600;
        }

        .pagination-custom .page-item.disabled .page-link {
            color: #bbb;
            pointer-events: none;
            background: #f9f9f9;
            border-color: var(--border);
        }

        /* ========== SIDEBAR ========== */
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-badge {
            display: inline-block;
            background: var(--tag-bg);
            color: var(--text-primary);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            border-bottom: none;
            cursor: pointer;
        }

        .tag-badge:hover {
            background: var(--accent);
            color: var(--primary);
            border-bottom: none;
        }

        .sidebar-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-link-list li {
            padding: 8px 0;
            border-bottom: 1px solid #f5f3ed;
        }

        .sidebar-link-list li:last-child {
            border-bottom: none;
        }

        .sidebar-link-list a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: none;
            transition: color var(--transition-fast);
        }

        .sidebar-link-list a:hover {
            color: var(--accent);
            border-bottom: none;
        }

        .sidebar-link-list a i {
            margin-right: 8px;
            color: var(--accent);
            font-size: 0.75rem;
        }

        /* ========== TIMELINE / PROCESS ========== */
        .process-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            position: relative;
            counter-reset: step;
        }

        .process-step {
            flex: 1 1 200px;
            min-width: 180px;
            text-align: center;
            padding: 24px 16px;
            position: relative;
        }

        .process-step::after {
            content: '';
            position: absolute;
            top: 60px;
            left: 60%;
            width: 80%;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }

        .process-step:last-child::after {
            display: none;
        }

        .process-step .step-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.3rem;
            font-weight: 700;
            position: relative;
            z-index: 1;
            font-family: var(--font-en);
        }

        .process-step .step-title {
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

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

        @media (max-width: 767px) {
            .process-step::after {
                display: none;
            }

            .process-step {
                flex: 1 1 100%;
                text-align: left;
                display: flex;
                align-items: flex-start;
                gap: 16px;
                padding: 14px 0;
            }

            .process-step .step-icon {
                margin: 0;
                flex-shrink: 0;
            }
        }

        /* ========== SCENARIO CARDS ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }

        .scenario-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            text-align: center;
        }

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

        .scenario-card .scenario-icon {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 14px;
        }

        .scenario-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 0;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: color var(--transition-fast);
            font-family: var(--font-cn);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--tag-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: transform 0.35s ease, background var(--transition-fast);
            margin-left: 12px;
            font-weight: 700;
            color: var(--primary);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 0 18px 0;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--bg-dark);
            padding: 64px 0;
            color: var(--text-inverse);
        }

        .cta-section .cta-inner {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
            padding: 0 20px;
        }

        .cta-section h2 {
            color: var(--text-inverse);
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(248, 246, 240, 0.8);
            margin-bottom: 28px;
        }

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

        .cta-form input {
            flex: 1 1 280px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-primary);
            font-size: 1rem;
            transition: border-color var(--transition-fast);
            min-width: 200px;
        }

        .cta-form input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(230, 180, 34, 0.15);
        }

        .cta-form input::placeholder {
            color: #999;
        }

        .cta-form .btn-primary-custom {
            flex-shrink: 0;
            padding: 14px 36px;
            font-size: 1rem;
        }

        /* ========== FOOTER ========== */
        .footer-section {
            background: #16161f;
            color: rgba(248, 246, 240, 0.75);
            padding: 52px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-grid h4 {
            color: var(--text-inverse);
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-grid p {
            font-size: 0.88rem;
            color: rgba(248, 246, 240, 0.6);
            line-height: 1.7;
            margin-bottom: 0;
        }

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

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

        .footer-grid ul li a {
            font-size: 0.88rem;
            color: rgba(248, 246, 240, 0.6);
            border-bottom: none;
            transition: color var(--transition-fast);
        }

        .footer-grid ul li a:hover {
            color: var(--accent);
            border-bottom: none;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: center;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 20px 20px 0;
            font-size: 0.8rem;
            color: rgba(248, 246, 240, 0.45);
        }

        .footer-bottom a {
            color: rgba(248, 246, 240, 0.5);
            border-bottom: none;
            font-size: 0.8rem;
        }

        .footer-bottom a:hover {
            color: var(--accent);
            border-bottom: none;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

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

        /* ========== RESPONSIVE GENERAL ========== */
        @media (max-width: 767px) {
            h1 {
                font-size: 2rem;
            }

            h2 {
                font-size: 1.5rem;
            }

            .section-padding {
                padding: 40px 0;
            }

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

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

            .process-steps {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }

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

            .cta-form input {
                flex: 1 1 auto;
                width: 100%;
            }

            .cta-form .btn-primary-custom {
                width: 100%;
                text-align: center;
            }
        }

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

        .bg-warm-light {
            background: #faf9f5;
        }

        .bg-white-block {
            background: #fff;
        }