/* roulang page: index */
:root {
            --primary: #1F6FEB;
            --primary-dark: #1A5FC7;
            --primary-light: #EBF2FD;
            --primary-gradient: linear-gradient(135deg, #1F6FEB 0%, #4A90E2 100%);
            --accent-green: #2E8B57;
            --accent-gold: #FFB800;
            --accent-gold-light: #FFF7E0;
            --text-dark: #1A1A2E;
            --text-body: #2D2D3F;
            --text-secondary: #5A5A6A;
            --text-muted: #8A8A9E;
            --bg-white: #FFFFFF;
            --bg-light: #F7F9FC;
            --bg-soft: #F5F7FA;
            --border-color: #E5E7EB;
            --border-light: #EEF0F4;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-white);
            overflow-x: hidden;
        }

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

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

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

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.25);
        }

        .brand-logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 1px;
            line-height: 1.2;
        }

        .brand-logo-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            display: block;
            font-weight: 400;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: center;
        }

        .main-nav li {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(31, 111, 235, 0.4);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.25);
        }
        .btn-primary:focus {
            outline: 3px solid rgba(31, 111, 235, 0.3);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-outline:focus {
            outline: 3px solid rgba(31, 111, 235, 0.2);
            outline-offset: 2px;
        }

        .btn-gold {
            background: var(--accent-gold);
            color: #1A1A2E;
            box-shadow: 0 2px 10px rgba(255, 184, 0, 0.4);
            font-weight: 600;
        }
        .btn-gold:hover {
            background: #E6A800;
            color: #1A1A2E;
            box-shadow: 0 4px 16px rgba(255, 184, 0, 0.5);
            transform: translateY(-1px);
        }
        .btn-gold:active {
            transform: translateY(0);
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
            border-radius: 6px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 10px;
        }

        .btn-block {
            width: 100%;
            justify-content: center;
        }

        /* Mobile menu */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-dark);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-menu-toggle:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-cta .btn-outline {
                display: none;
            }
            .header-inner {
                height: 64px;
            }
        }

        @media (max-width: 640px) {
            .brand-logo-text {
                font-size: 18px;
            }
            .brand-logo-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
            }
            .header-cta .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 280px;
            background: #fff;
            z-index: 1000;
            box-shadow: var(--shadow-xl);
            padding: 24px 20px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-drawer-overlay.active {
            opacity: 1;
        }
        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        .mobile-drawer-close {
            background: none;
            border: none;
            font-size: 20px;
            cursor: pointer;
            color: var(--text-secondary);
        }
        .mobile-drawer-nav {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-drawer-nav a {
            display: block;
            padding: 12px 14px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-drawer-nav a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-drawer-nav a.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-drawer .btn {
            margin-top: 16px;
            width: 100%;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 88vh;
            display: flex;
            align-items: center;
            padding: 48px 0 64px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.78) 40%, rgba(255,255,255,0.88) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .flash-sale-bar {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: var(--accent-gold-light);
            border: 1.5px solid var(--accent-gold);
            border-radius: 50px;
            padding: 8px 20px 8px 16px;
            font-size: 14px;
            font-weight: 600;
            color: #7A5A00;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .flash-sale-bar .badge-sale {
            background: var(--accent-gold);
            color: #1A1A2E;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .countdown-timer {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            color: #1A1A2E;
            font-variant-numeric: tabular-nums;
        }

        .countdown-timer .time-block {
            background: #1A1A2E;
            color: #fff;
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 14px;
            font-weight: 700;
            min-width: 30px;
            text-align: center;
        }

        .hero-title {
            font-size: 46px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-dark);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 580px;
            margin-bottom: 28px;
        }

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

        .hero-data-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hero-data-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(229, 231, 235, 0.6);
            border-radius: var(--radius-md);
            padding: 12px 20px;
        }

        .hero-data-item .data-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .hero-data-item .data-label {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* Hero product card */
        .hero-product-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            overflow: hidden;
            border: 1px solid var(--border-light);
            position: relative;
            z-index: 2;
        }

        .hero-product-card .product-badge {
            position: absolute;
            top: 16px;
            left: -4px;
            background: var(--accent-gold);
            color: #1A1A2E;
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 700;
            border-radius: 0 6px 6px 0;
            box-shadow: var(--shadow-sm);
            z-index: 2;
        }

        .hero-product-card .product-image {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .hero-product-card .product-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(255,255,255,1), rgba(255,255,255,0));
        }

        .hero-product-card .product-body {
            padding: 20px 24px 24px;
        }

        .hero-product-card .product-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .hero-product-card .product-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .hero-product-card .product-price {
            display: flex;
            align-items: baseline;
            gap: 10px;
            margin-bottom: 16px;
        }

        .hero-product-card .price-current {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent-gold);
            line-height: 1;
        }

        .hero-product-card .price-original {
            font-size: 16px;
            color: var(--text-muted);
            text-decoration: line-through;
        }

        .hero-product-card .price-discount {
            font-size: 13px;
            color: #fff;
            background: #E74C3C;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }

        @media (max-width: 1024px) {
            .hero-title {
                font-size: 36px;
            }
            .hero-section {
                min-height: auto;
                padding: 40px 0 56px;
            }
            .hero-product-card {
                margin-top: 32px;
            }
        }

        @media (max-width: 640px) {
            .hero-title {
                font-size: 28px;
                letter-spacing: 0;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-data-row {
                gap: 10px;
            }
            .hero-data-item {
                padding: 10px 14px;
                flex: 1;
                min-width: 120px;
            }
            .hero-data-item .data-num {
                font-size: 20px;
            }
            .flash-sale-bar {
                padding: 6px 12px;
                font-size: 12px;
            }
            .countdown-timer .time-block {
                font-size: 12px;
                padding: 2px 6px;
                min-width: 24px;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 72px 0;
        }

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

        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }

        @media (max-width: 640px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ========== ENTRY MATRIX ========== */
        .entry-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .entry-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .entry-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: var(--transition);
        }

        .entry-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(31, 111, 235, 0.25);
        }
        .entry-card:hover::before {
            opacity: 1;
        }

        .entry-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 22px;
            flex-shrink: 0;
        }

        .entry-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0;
        }

        .entry-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
            flex: 1;
        }

        .entry-card-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .entry-card-link:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

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

        @media (max-width: 640px) {
            .entry-matrix-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .entry-card {
                padding: 20px 18px;
            }
        }

        /* ========== MILESTONES ========== */
        .milestone-track {
            position: relative;
            padding: 8px 0;
        }

        .milestone-track::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--border-color);
            transform: translateY(-50%);
            z-index: 0;
        }

        .milestone-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 1;
        }

        .milestone-item {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .milestone-dot {
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--primary-light);
            flex-shrink: 0;
            margin-bottom: 4px;
        }

        .milestone-year {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        .milestone-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .milestone-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            max-width: 220px;
        }

        @media (max-width: 1024px) {
            .milestone-track::before {
                top: 30px;
            }
            .milestone-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 16px;
            }
            .milestone-item {
                flex-direction: row;
                text-align: left;
                gap: 12px;
                align-items: flex-start;
            }
            .milestone-dot {
                margin-top: 6px;
            }
            .milestone-desc {
                max-width: none;
            }
        }

        @media (max-width: 640px) {
            .milestone-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== NEWS / INFO ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .news-item:hover {
            padding-left: 8px;
        }
        .news-item:first-child {
            padding-top: 0;
        }
        .news-item:last-child {
            border-bottom: none;
        }

        .news-date {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            line-height: 1.2;
        }
        .news-date .date-day {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
        }
        .news-date .date-month {
            font-size: 12px;
            color: var(--text-muted);
        }

        .news-item-content {
            flex: 1;
            min-width: 0;
        }
        .news-item-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
            transition: var(--transition);
            line-height: 1.4;
        }
        .news-item-title:hover {
            color: var(--primary);
        }
        .news-item-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .news-item-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-item-link:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        .news-item-link i {
            font-size: 12px;
            transition: var(--transition);
        }
        .news-item-link:hover i {
            transform: translateX(3px);
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-sidebar-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .news-sidebar-card:hover {
            box-shadow: var(--shadow-md);
        }
        .news-sidebar-card .side-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-green);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            text-transform: uppercase;
        }
        .news-sidebar-card .side-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .news-sidebar-card .side-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .news-sidebar-card {
                flex: 1;
                min-width: 260px;
            }
        }

        @media (max-width: 640px) {
            .news-item {
                gap: 14px;
            }
            .news-date {
                width: 44px;
                height: 44px;
            }
            .news-date .date-day {
                font-size: 18px;
            }
            .news-item-title {
                font-size: 15px;
            }
            .news-sidebar {
                flex-direction: column;
            }
        }

        /* ========== COLLECTION DIRECTORY ========== */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .collection-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            cursor: pointer;
        }
        .collection-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .collection-card .collection-image {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .collection-card .collection-body {
            padding: 18px 20px 20px;
        }
        .collection-card .collection-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .collection-card .collection-count {
            font-size: 13px;
            color: var(--accent-green);
            font-weight: 500;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .collection-card .collection-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .collection-card .collection-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .collection-card .collection-link:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        @media (max-width: 1024px) {
            .collection-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .collection-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 44px;
            align-items: center;
        }

        .brand-intro-text {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
        }
        .brand-intro-text p {
            margin-bottom: 16px;
        }
        .brand-intro-text p:last-child {
            margin-bottom: 0;
        }

        .brand-intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .brand-intro-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        @media (max-width: 1024px) {
            .brand-intro-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .brand-intro-image img {
                height: 240px;
            }
        }

        /* ========== PLATFORM GUARANTEE ========== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .guarantee-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .guarantee-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(46, 139, 87, 0.3);
        }
        .guarantee-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(46, 139, 87, 0.1);
            color: var(--accent-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 12px;
        }
        .guarantee-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .guarantee-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        @media (max-width: 1024px) {
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .guarantee-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .guarantee-card {
                padding: 18px 16px;
            }
        }

        /* ========== FAQ ========== */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            margin-bottom: 10px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
            background: #fff;
        }
        .faq-item:hover {
            border-color: rgba(31, 111, 235, 0.25);
        }
        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-dark);
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question:hover {
            background: var(--bg-light);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
        }
        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        @media (max-width: 640px) {
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer p {
                font-size: 14px;
            }
        }

        /* ========== CONTACT & CTA ========== */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .contact-info-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            border: 1px solid var(--border-light);
        }
        .contact-info-item .ci-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: #fff;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
        }
        .contact-info-item .ci-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 2px;
        }
        .contact-info-item .ci-value {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dark);
        }

        .contact-form {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
        }

        .contact-form .form-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
            display: block;
        }
        .contact-form .form-input {
            width: 100%;
            padding: 10px 14px;
            font-size: 14px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            transition: var(--transition);
            font-family: var(--font-family);
            background: #fff;
            color: var(--text-body);
            margin-bottom: 16px;
        }
        .contact-form .form-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.12);
        }
        .contact-form select.form-input {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235A5A6A' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }
        .contact-form textarea.form-input {
            resize: vertical;
            min-height: 100px;
        }

        @media (max-width: 1024px) {
            .contact-layout {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 640px) {
            .contact-form {
                padding: 20px 16px;
            }
        }

        /* ========== APP / MULTI-DEVICE ========== */
        .app-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 44px;
            align-items: center;
        }
        .app-text .app-title {
            font-size: 28px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .app-text .app-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .app-text .app-features {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .app-text .app-features span {
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
        }
        .app-preview {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
        }
        .app-preview .app-icon-row {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 16px;
        }
        .app-preview .app-icon {
            width: 52px;
            height: 52px;
            background: #fff;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .app-preview .app-note {
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 1024px) {
            .app-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1A2E;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 14px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-logo-text {
            color: #fff;
            font-size: 20px;
        }
        .footer-brand .brand-logo-sub {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-brand-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 10px;
            line-height: 1.6;
            max-width: 260px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 1024px) {
            .footer-top {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== MISC ========== */
        .text-center {
            text-align: center;
        }
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .mb-32 { margin-bottom: 32px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }

        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }
        .link-arrow i {
            font-size: 12px;
            transition: var(--transition);
        }
        .link-arrow:hover i {
            transform: translateX(4px);
        }

        @media (max-width: 640px) {
            .hide-mobile {
                display: none !important;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1F6FEB;
            --primary-dark: #1A5FC7;
            --primary-light: #EBF2FD;
            --primary-gradient: linear-gradient(135deg, #1F6FEB 0%, #4A90E2 100%);
            --accent-green: #2E8B57;
            --accent-gold: #FFB800;
            --accent-gold-light: #FFF7E0;
            --text-dark: #1A1A2E;
            --text-body: #2D2D3F;
            --text-secondary: #5A5A6A;
            --text-muted: #8A8A9E;
            --bg-white: #FFFFFF;
            --bg-light: #F7F9FC;
            --bg-soft: #F5F7FA;
            --border-color: #E5E7EB;
            --border-light: #EEF0F4;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-white);
            overflow-x: hidden;
        }

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

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

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

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

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

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding: 0 24px;
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
            outline: none;
        }

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

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(31, 111, 235, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(31, 111, 235, 0.2);
        }

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

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
            border-radius: 6px;
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-weight: 500;
            font-size: 14px;
            padding: 0;
            background: none;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-text:hover {
            color: var(--accent-green);
            text-decoration: underline;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
            position: relative;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }

        .brand-logo:hover {
            text-decoration: none;
        }

        .brand-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.25);
        }

        .brand-logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 1px;
            line-height: 1.2;
        }

        .brand-logo-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            display: block;
            font-weight: 400;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            flex: 1;
            justify-content: center;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav li {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 42px;
            height: 42px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            cursor: pointer;
            gap: 5px;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .hamburger-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger-btn:hover {
            background: var(--primary-light);
            border-color: var(--primary);
        }

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

        @media (max-width: 1023px) {
            .hamburger-btn {
                display: flex;
            }

            .nav-wrapper {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-lg);
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                display: none;
                z-index: 998;
            }

            .nav-wrapper.open {
                display: flex;
            }

            .main-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                width: 100%;
            }

            .main-nav a {
                padding: 12px 16px;
                font-size: 16px;
            }

            .main-nav a.active::after {
                display: none;
            }

            .header-cta .btn {
                display: none;
            }

            .header-cta {
                gap: 8px;
            }
        }

        @media (max-width: 639px) {
            .header-inner {
                height: 64px;
                gap: 8px;
            }

            .brand-logo-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
            }

            .brand-logo-text {
                font-size: 19px;
            }

            .brand-logo-sub {
                font-size: 10px;
            }

            .hamburger-btn {
                width: 38px;
                height: 38px;
            }

            .nav-wrapper {
                top: 64px;
                padding: 12px;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }

        .breadcrumb-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            font-weight: 400;
        }

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

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

        .breadcrumb .current {
            color: var(--text-dark);
            font-weight: 600;
            background: var(--primary-light);
            padding: 2px 10px;
            border-radius: 4px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .breadcrumb .current i {
            font-size: 12px;
            color: var(--primary);
        }

        .breadcrumb-back {
            font-size: 13px;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 4px;
            transition: var(--transition);
            cursor: pointer;
            background: none;
            border: none;
        }

        .breadcrumb-back:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        @media (max-width: 639px) {
            .breadcrumb-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .breadcrumb {
                font-size: 13px;
            }
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            background: var(--bg-white);
            padding: 48px 0 32px;
            border-bottom: 1px solid var(--border-light);
        }

        .category-hero-inner {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            width: fit-content;
            letter-spacing: 0.5px;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin: 0;
        }

        .category-hero .cat-desc {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            max-width: 860px;
            margin: 0;
        }

        .cat-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 8px;
        }

        .cat-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-light);
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-secondary);
        }

        .cat-stat-item i {
            color: var(--primary);
            font-size: 16px;
        }

        .cat-stat-item strong {
            color: var(--text-dark);
            font-weight: 600;
            margin-left: 2px;
        }

        @media (max-width: 639px) {
            .category-hero {
                padding: 32px 0 24px;
            }

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

            .category-hero .cat-desc {
                font-size: 15px;
            }

            .cat-stats-row {
                gap: 8px;
            }

            .cat-stat-item {
                padding: 6px 12px;
                font-size: 12px;
            }
        }

        /* ========== CONTENT LIST ========== */
        .content-section {
            padding: 48px 0 56px;
            background: var(--bg-light);
        }

        .section-heading-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }

        .section-heading-row h2 {
            font-size: 24px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .section-heading-row h2 i {
            color: var(--primary);
            font-size: 20px;
        }

        .section-heading-row .update-info {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .content-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

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

        @media (min-width: 768px) {
            .content-card {
                flex-direction: row;
                align-items: stretch;
                min-height: 180px;
            }
        }

        .content-card-img {
            flex-shrink: 0;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
            background: var(--bg-soft);
        }

        @media (min-width: 768px) {
            .content-card-img {
                width: 280px;
                aspect-ratio: auto;
                min-height: 180px;
            }
        }

        .content-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .content-card-img .card-date-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--text-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
            backdrop-filter: blur(4px);
            box-shadow: var(--shadow-sm);
        }

        .content-card-img .card-date-badge i {
            color: var(--primary);
            font-size: 11px;
        }

        .content-card-body {
            flex: 1;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 10px;
        }

        @media (max-width: 767px) {
            .content-card-body {
                padding: 16px 18px;
            }
        }

        .content-card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin: 0;
            transition: var(--transition);
        }

        .content-card:hover .content-card-title {
            color: var(--primary);
        }

        .content-card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: 4px;
        }

        .content-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            color: var(--text-muted);
            background: var(--bg-light);
            padding: 2px 10px;
            border-radius: 4px;
            border: 1px solid var(--border-light);
        }

        .content-card-tag i {
            font-size: 10px;
            color: var(--accent-green);
        }

        /* ========== PAGINATION ========== */
        .pagination-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .pagination-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            background: var(--bg-white);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .pagination-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .pagination-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        .pagination-btn.disabled {
            opacity: 0.45;
            pointer-events: none;
            cursor: not-allowed;
        }

        .pagination-btn i {
            font-size: 12px;
        }

        @media (max-width: 639px) {
            .pagination-btn {
                min-width: 34px;
                height: 34px;
                font-size: 12px;
                padding: 0 8px;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 48px 0 56px;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
        }

        .cta-box {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 14px;
            border: 1px solid var(--border-light);
        }

        .cta-box h3 {
            font-size: 24px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0;
        }

        .cta-box p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0;
            line-height: 1.7;
        }

        .cta-box .btn {
            margin-top: 4px;
        }

        @media (max-width: 639px) {
            .cta-section {
                padding: 32px 0 40px;
            }

            .cta-box {
                padding: 24px 18px;
                border-radius: var(--radius-md);
            }

            .cta-box h3 {
                font-size: 20px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1A2E;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        @media (min-width: 768px) {
            .footer-top {
                grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
                gap: 40px;
            }
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 4px;
        }

        .footer-brand .brand-logo-text {
            color: #fff;
        }

        .footer-brand .brand-logo-sub {
            color: rgba(255, 255, 255, 0.5);
        }

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

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li {
            margin: 0;
            padding: 0;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .footer-col ul a:hover {
            color: #fff;
            text-decoration: none;
            transform: translateX(2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
            text-decoration: none;
        }

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

        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom .footer-links .sep {
            color: rgba(255, 255, 255, 0.3);
        }

        @media (max-width: 639px) {
            .site-footer {
                padding: 32px 0 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1F6FEB;
            --primary-dark: #1A5FC7;
            --primary-light: #EBF2FD;
            --primary-gradient: linear-gradient(135deg, #1F6FEB 0%, #4A90E2 100%);
            --accent-green: #2E8B57;
            --accent-gold: #FFB800;
            --accent-gold-light: #FFF7E0;
            --text-dark: #1A1A2E;
            --text-body: #2D2D3F;
            --text-secondary: #5A5A6A;
            --text-muted: #8A8A9E;
            --bg-white: #FFFFFF;
            --bg-light: #F7F9FC;
            --bg-soft: #F5F7FA;
            --border-color: #E5E7EB;
            --border-light: #EEF0F4;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-white);
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.25);
        }
        .brand-logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .brand-logo-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            display: block;
            font-weight: 400;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: center;
        }
        .main-nav li {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .main-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .header-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(31, 111, 235, 0.35);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            box-shadow: none;
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-gold {
            background: var(--accent-gold);
            color: #1A1A2E;
            box-shadow: 0 2px 8px rgba(255, 184, 0, 0.3);
        }
        .btn-gold:hover {
            background: #E6A600;
            color: #1A1A2E;
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
            border-radius: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-dark);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-light);
            color: var(--primary);
        }
        @media (max-width: 1024px) {
            .main-nav {
                gap: 0;
            }
            .main-nav a {
                padding: 8px 10px;
                font-size: 14px;
            }
            .header-cta .btn span {
                display: none;
            }
            .header-cta .btn {
                padding: 10px 14px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--border-light);
                display: none;
                z-index: 998;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 16px;
                border-radius: var(--radius-sm);
            }
            .main-nav a.active::after {
                display: none;
            }
            .header-cta .btn {
                padding: 8px 12px;
                font-size: 13px;
            }
            .header-inner {
                height: 64px;
            }
            .brand-logo-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
            }
            .brand-logo-text {
                font-size: 19px;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-light);
            padding: 10px 0;
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-trail {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .breadcrumb-trail li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-trail a {
            color: var(--text-secondary);
            font-weight: 400;
            transition: var(--transition);
        }
        .breadcrumb-trail a:hover {
            color: var(--primary);
        }
        .breadcrumb-trail .separator {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb-trail .current {
            color: var(--text-dark);
            font-weight: 600;
        }
        .breadcrumb-trail .folder-icon {
            color: var(--accent-gold);
            font-size: 13px;
        }
        .breadcrumb-back {
            font-size: 14px;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .breadcrumb-back:hover {
            color: var(--primary-dark);
            transform: translateX(-3px);
        }

        /* ========== PAGE HERO / BANNER ========== */
        .page-banner {
            background: var(--bg-white);
            padding: 56px 0 40px;
            border-bottom: 1px solid var(--border-light);
        }
        .page-banner-content {
            text-align: left;
        }
        .page-banner h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin: 0 0 14px;
            letter-spacing: 0.5px;
        }
        .page-banner h1 .highlight {
            color: var(--primary);
        }
        .page-banner-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 820px;
            margin: 0 0 20px;
        }
        .page-banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }
        .page-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary);
            transition: var(--transition);
        }
        .page-tag:hover {
            background: #D6E5FA;
            color: var(--primary-dark);
        }
        .page-tag.green {
            background: #E8F5EE;
            color: var(--accent-green);
        }
        .page-tag.gold {
            background: var(--accent-gold-light);
            color: #8B6D00;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 36px 0 28px;
            }
            .page-banner h1 {
                font-size: 28px;
            }
            .page-banner-desc {
                font-size: 15px;
            }
        }

        /* ========== CONTENT LIST ========== */
        .content-list-section {
            padding: 56px 0 64px;
            background: var(--bg-light);
        }
        .content-list-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 28px;
        }
        .content-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-light);
        }
        .content-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #D6E5FA;
        }
        .content-card-image {
            position: relative;
            height: 200px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-soft);
        }
        .content-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .content-card:hover .content-card-image img {
            transform: scale(1.05);
        }
        .content-card-date {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(4px);
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: var(--shadow-sm);
        }
        .content-card-date i {
            color: var(--primary);
            font-size: 11px;
        }
        .content-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .content-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 10px;
            line-height: 1.5;
            transition: var(--transition);
        }
        .content-card:hover .content-card-title {
            color: var(--primary);
        }
        .content-card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            align-self: flex-start;
        }
        .content-card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        .content-card-link .arrow {
            transition: transform 0.3s ease;
        }
        .content-card-link:hover .arrow {
            transform: translateX(4px);
        }
        @media (max-width: 768px) {
            .content-list-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .content-card-image {
                height: 170px;
            }
            .content-list-section {
                padding: 36px 0 44px;
            }
        }

        /* ========== PAGINATION ========== */
        .pagination-wrapper {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            cursor: pointer;
        }
        .page-link:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .page-link.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.25);
        }
        .page-link.disabled {
            opacity: 0.45;
            pointer-events: none;
            cursor: not-allowed;
        }

        /* ========== DATA HIGHLIGHT STRIP ========== */
        .data-strip-section {
            padding: 48px 0;
            background: var(--bg-white);
        }
        .data-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-strip-item {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .data-strip-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #D6E5FA;
        }
        .data-strip-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .data-strip-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        @media (max-width: 1024px) {
            .data-strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 640px) {
            .data-strip-grid {
                grid-template-columns: 1fr;
            }
            .data-strip-number {
                font-size: 26px;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 56px 0 64px;
            background: var(--bg-light);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 12px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin: 0 0 32px;
        }
        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: #D6E5FA;
        }
        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            transition: var(--transition);
            font-family: var(--font-family);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 20px 18px;
        }
        @media (max-width: 768px) {
            .faq-section {
                padding: 36px 0 44px;
            }
            .section-title {
                font-size: 24px;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 14px;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 56px 0;
            background: var(--bg-white);
        }
        .cta-box {
            background: var(--primary-gradient);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-xl);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: 20%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-box-content {
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 260px;
        }
        .cta-box-title {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
            line-height: 1.3;
        }
        .cta-box-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin: 0;
            max-width: 520px;
        }
        .cta-box-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .cta-box-actions .btn {
            font-weight: 600;
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
        }
        .btn-white:hover {
            background: #F0F4FA;
            color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-ghost-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }
        .btn-ghost-white:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
            transform: translateY(-1px);
        }
        @media (max-width: 768px) {
            .cta-box {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
                align-items: stretch;
            }
            .cta-box-title {
                font-size: 22px;
            }
            .cta-box-actions {
                justify-content: center;
            }
            .cta-section {
                padding: 36px 0 44px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1A2E;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin: 14px 0 0;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
        }
        @media (max-width: 1024px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 640px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .site-footer {
                padding: 36px 0 0;
            }
        }

        /* ========== MISC ========== */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .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;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

/* roulang page: category3 */
:root {
            --primary: #1F6FEB;
            --primary-dark: #1A5FC7;
            --primary-light: #EBF2FD;
            --primary-gradient: linear-gradient(135deg, #1F6FEB 0%, #4A90E2 100%);
            --accent-green: #2E8B57;
            --accent-gold: #FFB800;
            --accent-gold-light: #FFF7E0;
            --text-dark: #1A1A2E;
            --text-body: #2D2D3F;
            --text-secondary: #5A5A6A;
            --text-muted: #8A8A9E;
            --bg-white: #FFFFFF;
            --bg-light: #F7F9FC;
            --bg-soft: #F5F7FA;
            --border-color: #E5E7EB;
            --border-light: #EEF0F4;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-white);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.25);
        }

        .brand-logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 1px;
            line-height: 1.2;
        }

        .brand-logo-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            display: block;
            font-weight: 400;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: center;
        }

        .main-nav li {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(31, 111, 235, 0.35);
            transform: translateY(-1px);
        }

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

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

        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 30px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-dark);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: var(--bg-light);
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 8px 10px;
                font-size: 14px;
            }
            .header-cta .btn span {
                display: none;
            }
            .header-cta .btn {
                padding: 10px 14px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                gap: 0;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--border-light);
                align-items: stretch;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 15px;
                width: 100%;
                justify-content: flex-start;
            }
            .main-nav a.active::after {
                display: none;
            }
            .header-cta .btn span {
                display: inline;
            }
            .header-cta .btn {
                padding: 8px 12px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 60px;
                gap: 8px;
            }
            .brand-logo-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
            .brand-logo-text {
                font-size: 18px;
            }
            .brand-logo-sub {
                font-size: 10px;
            }
            .header-cta .btn {
                padding: 7px 10px;
                font-size: 12px;
            }
            .main-nav {
                top: 60px;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-light);
            padding: 0;
        }

        .breadcrumb-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding: 10px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: '›';
            color: var(--text-muted);
            font-size: 16px;
            margin-left: 2px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            font-weight: 400;
        }

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

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

        .breadcrumb-back {
            font-size: 13px;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .breadcrumb-back:hover {
            color: var(--primary);
            background: var(--primary-light);
            border-color: var(--primary-light);
        }

        @media (max-width: 640px) {
            .breadcrumb-inner {
                padding: 8px 0;
            }
            .breadcrumb {
                font-size: 13px;
            }
            .breadcrumb-back {
                font-size: 12px;
            }
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            position: relative;
            background: var(--primary-gradient);
            padding: 56px 0 48px;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .category-hero-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .category-hero-text {
            flex: 1.2;
        }

        .category-hero-text h1 {
            font-size: 38px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            line-height: 1.3;
            letter-spacing: 0.5px;
        }

        .category-hero-text .hero-sub {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.8;
            margin-bottom: 20px;
            max-width: 640px;
        }

        .category-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .category-hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

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

        .hero-stat-number {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 2px;
        }

        .category-hero-image {
            flex: 0.8;
            min-height: 220px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            background: #ddd;
        }

        .category-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 220px;
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 36px 0 32px;
            }
            .category-hero-inner {
                flex-direction: column;
                gap: 24px;
            }
            .category-hero-text h1 {
                font-size: 28px;
            }
            .category-hero-text .hero-sub {
                font-size: 15px;
            }
            .category-hero-image {
                width: 100%;
                min-height: 180px;
            }
            .category-hero-image img {
                min-height: 180px;
            }
            .category-hero-stats {
                gap: 16px;
            }
            .hero-stat-number {
                font-size: 22px;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 56px 0;
        }

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

        .section-heading {
            margin-bottom: 32px;
        }

        .section-heading h2 {
            font-size: 28px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 8px;
            line-height: 1.3;
        }

        .section-heading .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

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

        .section-heading.center .section-desc {
            max-width: 560px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 36px 0;
            }
            .section-sm {
                padding: 24px 0;
            }
            .section-heading h2 {
                font-size: 22px;
            }
        }

        /* ========== FEATURE GRID ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .feature-card-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }

        .feature-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 8px;
            line-height: 1.4;
        }

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

        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .feature-card {
                padding: 18px;
            }
        }

        /* ========== CONTENT LIST ========== */
        .content-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

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

        .content-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }

        .content-card-image {
            height: 200px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }

        .content-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .content-card-image .card-date-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--text-dark);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 4px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            backdrop-filter: blur(4px);
        }

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

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

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

        .content-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 10px;
            line-height: 1.45;
            transition: var(--transition);
        }

        .content-card:hover .content-card-body h3 {
            color: var(--primary);
        }

        .content-card-body .card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 16px;
            flex: 1;
        }

        .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            transition: var(--transition);
            align-self: flex-start;
        }

        .read-more-link::after {
            content: '→';
            transition: var(--transition);
        }

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

        @media (max-width: 768px) {
            .content-list-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .content-card-image {
                height: 170px;
            }
        }

        @media (max-width: 520px) {
            .content-card-image {
                height: 150px;
            }
            .content-card-body {
                padding: 16px;
            }
            .content-card-body h3 {
                font-size: 15px;
            }
        }

        /* ========== PAGINATION ========== */
        .pagination-wrapper {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .pagination-wrapper .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            background: var(--bg-white);
            transition: var(--transition);
            cursor: pointer;
        }

        .pagination-wrapper .page-link:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .pagination-wrapper .page-link.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.3);
        }

        .pagination-wrapper .page-link.disabled {
            opacity: 0.5;
            pointer-events: none;
            cursor: not-allowed;
        }

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

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

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:last-child {
            margin-bottom: 0;
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 500;
            color: var(--text-dark);
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        @media (max-width: 520px) {
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer p {
                font-size: 14px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--primary-gradient);
            padding: 48px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -5%;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

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

        .cta-inner h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 24px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

        .btn-white:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
            transform: translateY(-1px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 36px 0;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
            .cta-inner p {
                font-size: 15px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1A2E;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .brand-logo {
            margin-bottom: 14px;
        }

        .footer-brand .brand-logo-text {
            color: #fff;
        }

        .footer-brand .brand-logo-sub {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-brand-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin: 0;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-col ul li:last-child {
            margin-bottom: 0;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-col ul a:hover {
            color: #fff;
            padding-left: 4px;
        }

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

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }

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

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        @media (max-width: 1024px) {
            .footer-top {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 640px) {
            .site-footer {
                padding: 32px 0 20px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
                padding-bottom: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* ========== MISC ========== */
        .text-center {
            text-align: center;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

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

/* roulang page: category4 */
:root {
            --primary: #1F6FEB;
            --primary-dark: #1A5FC7;
            --primary-light: #EBF2FD;
            --primary-gradient: linear-gradient(135deg, #1F6FEB 0%, #4A90E2 100%);
            --accent-green: #2E8B57;
            --accent-gold: #FFB800;
            --accent-gold-light: #FFF7E0;
            --text-dark: #1A1A2E;
            --text-body: #2D2D3F;
            --text-secondary: #5A5A6A;
            --text-muted: #8A8A9E;
            --bg-white: #FFFFFF;
            --bg-light: #F7F9FC;
            --bg-soft: #F5F7FA;
            --border-color: #E5E7EB;
            --border-light: #EEF0F4;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1200px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-white);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.25);
        }
        .brand-logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .brand-logo-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            display: block;
            font-weight: 400;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: center;
        }
        .main-nav li {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .main-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .header-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
            font-family: var(--font-family);
        }
        .btn:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(31, 111, 235, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.2);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
        }
        .btn-light:hover {
            background: var(--bg-light);
            color: var(--primary-dark);
            box-shadow: var(--shadow-md);
        }
        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
            border-radius: 6px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 17px;
            border-radius: var(--radius-md);
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-dark);
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 0;
            }
            .main-nav a {
                padding: 8px 10px;
                font-size: 14px;
            }
            .header-cta .btn {
                padding: 8px 16px;
                font-size: 14px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--bg-white);
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                padding: 24px;
                gap: 8px;
                transform: translateX(-100%);
                transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
                z-index: 998;
                box-shadow: var(--shadow-xl);
                overflow-y: auto;
            }
            .main-nav.open {
                transform: translateX(0);
            }
            .main-nav a {
                font-size: 17px;
                padding: 14px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                background: var(--primary);
                color: #fff;
            }
            .header-cta .btn-outline {
                display: none;
            }
            .header-cta .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
            .header-inner {
                height: 60px;
            }
            .main-nav {
                top: 60px;
            }
        }
        @media (max-width: 480px) {
            .brand-logo-text {
                font-size: 18px;
            }
            .brand-logo-sub {
                display: none;
            }
            .brand-logo-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
            }
            .header-cta .btn-primary {
                font-size: 12px;
                padding: 7px 12px;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
        }
        .breadcrumb-nav .separator {
            color: var(--text-muted);
            font-size: 13px;
            user-select: none;
        }
        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 20px;
        }
        .breadcrumb-back {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            background: var(--bg-white);
            transition: var(--transition);
            cursor: pointer;
        }
        .breadcrumb-back:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            background: var(--bg-white);
            padding: 64px 0 56px;
            border-bottom: 1px solid var(--border-light);
        }
        .category-hero-inner {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 48px;
            align-items: center;
        }
        .category-hero-content h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 16px;
            line-height: 1.3;
            letter-spacing: -0.5px;
        }
        .category-hero-content h1 .highlight {
            color: var(--primary);
        }
        .category-hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .category-hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }
        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
        }
        .tag-badge.green {
            background: #E8F5EE;
            color: var(--accent-green);
        }
        .tag-badge.gold {
            background: var(--accent-gold-light);
            color: #8B6508;
        }
        .category-hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .category-hero-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .category-hero-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        .category-hero-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(26, 26, 46, 0.6), transparent);
            pointer-events: none;
        }
        .category-hero-image-badge {
            position: absolute;
            bottom: 12px;
            left: 16px;
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        @media (max-width: 900px) {
            .category-hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .category-hero-content h1 {
                font-size: 30px;
            }
            .category-hero-image img {
                height: 220px;
            }
        }
        @media (max-width: 640px) {
            .category-hero {
                padding: 40px 0 36px;
            }
            .category-hero-content h1 {
                font-size: 26px;
            }
            .category-hero-desc {
                font-size: 15px;
            }
            .category-hero-image {
                display: none;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section-block {
            padding: 72px 0;
        }
        .section-block.alt-bg {
            background: var(--bg-light);
        }
        .section-block.soft-bg {
            background: var(--bg-soft);
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 12px;
            line-height: 1.3;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
            max-width: 700px;
        }
        .section-header .section-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--primary-light);
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 16px;
        }
        @media (max-width: 640px) {
            .section-block {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ========== INTEL FEATURES ========== */
        .intel-features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .intel-feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .intel-feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .intel-feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .intel-feature-card:nth-child(2) .intel-feature-icon {
            background: #E8F5EE;
            color: var(--accent-green);
        }
        .intel-feature-card:nth-child(3) .intel-feature-icon {
            background: var(--accent-gold-light);
            color: #8B6508;
        }
        .intel-feature-card:nth-child(4) .intel-feature-icon {
            background: #F0EBFF;
            color: #6B4FA0;
        }
        .intel-feature-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 10px;
        }
        .intel-feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 1024px) {
            .intel-features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 560px) {
            .intel-features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== LIST SECTION ========== */
        .intel-list-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .intel-list-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
        }
        .intel-list-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .intel-list-card-image {
            flex-shrink: 0;
            width: 180px;
            overflow: hidden;
            position: relative;
        }
        .intel-list-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .intel-list-card:hover .intel-list-card-image img {
            transform: scale(1.05);
        }
        .intel-list-card-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .intel-list-card-date {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .intel-list-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 10px;
            line-height: 1.4;
            transition: var(--transition);
        }
        .intel-list-card:hover .intel-list-card-title {
            color: var(--primary);
        }
        .intel-list-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            transition: var(--transition);
        }
        .read-more-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        .read-more-link i {
            font-size: 13px;
            transition: var(--transition);
        }
        .read-more-link:hover i {
            transform: translateX(4px);
        }
        .intel-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 8px;
            align-self: flex-start;
        }
        .intel-badge.injury {
            background: #FDECEA;
            color: #C0392B;
        }
        .intel-badge.lineup {
            background: #E8F5EE;
            color: #2E8B57;
        }
        .intel-badge.training {
            background: var(--primary-light);
            color: var(--primary);
        }
        .intel-badge.tactics {
            background: #F0EBFF;
            color: #6B4FA0;
        }
        .intel-badge.locker {
            background: var(--accent-gold-light);
            color: #8B6508;
        }
        @media (max-width: 768px) {
            .intel-list-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .intel-list-card {
                flex-direction: column;
            }
            .intel-list-card-image {
                width: 100%;
                height: 180px;
            }
        }

        /* ========== PAGINATION ========== */
        .pagination-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .pagination-wrap .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            background: var(--bg-white);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            cursor: pointer;
            user-select: none;
        }
        .pagination-wrap .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .pagination-wrap .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(31, 111, 235, 0.3);
        }
        .pagination-wrap .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }
        .pagination-wrap .page-btn.prev-next {
            padding: 0 16px;
        }

        /* ========== DATA DASHBOARD ========== */
        .data-dashboard {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-dash-item {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius-md);
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .data-dash-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .data-dash-number {
            font-size: 40px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 8px;
            letter-spacing: -1px;
        }
        .data-dash-number.green {
            color: var(--accent-green);
        }
        .data-dash-number.gold {
            color: #D48806;
        }
        .data-dash-number.dark {
            color: var(--text-dark);
        }
        .data-dash-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .data-dash-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        @media (max-width: 900px) {
            .data-dashboard {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .data-dash-number {
                font-size: 32px;
            }
        }
        @media (max-width: 480px) {
            .data-dashboard {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            margin-bottom: 10px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(31, 111, 235, 0.1);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            background: none;
            border: none;
            cursor: pointer;
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 500;
            color: var(--text-dark);
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question:focus {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: var(--transition);
        }
        .faq-item.active .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 0 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }
        @media (max-width: 640px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-answer-inner {
                padding: 0 0 16px;
                padding-top: 12px;
                font-size: 14px;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-box {
            background: var(--primary-gradient);
            border-radius: var(--radius-xl);
            padding: 48px 56px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
            box-shadow: 0 8px 32px rgba(31, 111, 235, 0.3);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            pointer-events: none;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 30%;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }
        .cta-box-content {
            position: relative;
            z-index: 1;
        }
        .cta-box-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.3;
        }
        .cta-box-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            line-height: 1.7;
            max-width: 600px;
        }
        .cta-box-actions {
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-box-actions .btn-white {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .cta-box-actions .btn-white:hover {
            background: var(--bg-light);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }
        .cta-box-actions .btn-ghost {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
            font-weight: 500;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .cta-box-actions .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-box {
                grid-template-columns: 1fr;
                padding: 36px 28px;
                gap: 24px;
                text-align: center;
            }
            .cta-box-content h2 {
                font-size: 22px;
            }
            .cta-box-actions {
                flex-direction: row;
                justify-content: center;
                flex-wrap: wrap;
            }
        }
        @media (max-width: 480px) {
            .cta-box {
                padding: 28px 20px;
            }
            .cta-box-actions {
                flex-direction: column;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1A2E;
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
            margin-top: 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            margin-top: 14px;
            color: rgba(255, 255, 255, 0.55);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 900px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand-desc {
                max-width: 100%;
            }
        }
        @media (max-width: 560px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== MISC ========== */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .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;
        }

/* roulang page: category5 */
:root {
        --primary: #1F6FEB;
        --primary-dark: #1A5FC7;
        --primary-light: #EBF2FD;
        --primary-gradient: linear-gradient(135deg, #1F6FEB 0%, #4A90E2 100%);
        --accent-green: #2E8B57;
        --accent-gold: #FFB800;
        --accent-gold-light: #FFF7E0;
        --text-dark: #1A1A2E;
        --text-body: #2D2D3F;
        --text-secondary: #5A5A6A;
        --text-muted: #8A8A9E;
        --bg-white: #FFFFFF;
        --bg-light: #F7F9FC;
        --bg-soft: #F5F7FA;
        --border-color: #E5E7EB;
        --border-light: #EEF0F4;
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --radius-xl: 20px;
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
        --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
        --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        --container-max: 1200px;
    }

    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    body {
        font-family: var(--font-family);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-body);
        background: var(--bg-white);
        overflow-x: hidden;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover {
        color: var(--primary-dark);
        text-decoration: none;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    .container-custom {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 24px;
    }
    @media (max-width: 640px) {
        .container-custom {
            padding: 0 16px;
        }
    }

    /* ========== HEADER & NAV ========== */
    .site-header {
        background: var(--bg-white);
        border-bottom: 1px solid var(--border-light);
        position: sticky;
        top: 0;
        z-index: 999;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
    }
    .site-header.scrolled {
        box-shadow: var(--shadow-md);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        gap: 24px;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .brand-logo-icon {
        width: 42px;
        height: 42px;
        border-radius: var(--radius-sm);
        background: var(--primary-gradient);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 20px;
        font-weight: 700;
        letter-spacing: 0;
        flex-shrink: 0;
        box-shadow: 0 2px 8px rgba(31, 111, 235, 0.25);
    }
    .brand-logo-text {
        font-size: 22px;
        font-weight: 700;
        color: var(--text-dark);
        letter-spacing: 1px;
        line-height: 1.2;
    }
    .brand-logo-sub {
        font-size: 11px;
        color: var(--text-muted);
        letter-spacing: 0.5px;
        display: block;
        font-weight: 400;
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 4px;
        list-style: none;
        margin: 0;
        padding: 0;
        flex: 1;
        justify-content: center;
    }
    .main-nav li {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .main-nav a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 14px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-secondary);
        border-radius: var(--radius-sm);
        transition: var(--transition);
        white-space: nowrap;
        position: relative;
    }
    .main-nav a:hover {
        color: var(--primary);
        background: var(--primary-light);
    }
    .main-nav a.active {
        color: var(--primary);
        background: var(--primary-light);
        font-weight: 600;
    }
    .main-nav a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 14px;
        right: 14px;
        height: 2px;
        background: var(--primary);
        border-radius: 2px;
    }
    .header-cta {
        flex-shrink: 0;
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 10px 22px;
        font-size: 15px;
        font-weight: 500;
        border-radius: var(--radius-sm);
        border: none;
        cursor: pointer;
        transition: var(--transition);
        line-height: 1.4;
        text-align: center;
        white-space: nowrap;
    }
    .btn-primary {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 2px 8px rgba(31, 111, 235, 0.25);
    }
    .btn-primary:hover {
        background: var(--primary-dark);
        color: #fff;
        box-shadow: 0 4px 16px rgba(31, 111, 235, 0.35);
        transform: translateY(-1px);
    }
    .btn-secondary {
        background: transparent;
        color: var(--primary);
        border: 1px solid var(--primary);
    }
    .btn-secondary:hover {
        background: var(--primary-light);
        color: var(--primary-dark);
        border-color: var(--primary-dark);
        transform: translateY(-1px);
    }
    .btn-gold {
        background: var(--accent-gold);
        color: var(--text-dark);
        box-shadow: 0 2px 8px rgba(255, 184, 0, 0.3);
    }
    .btn-gold:hover {
        background: #E6A600;
        color: var(--text-dark);
        box-shadow: 0 4px 16px rgba(255, 184, 0, 0.4);
        transform: translateY(-1px);
    }
    .nav-toggle {
        display: none;
        background: none;
        border: none;
        color: var(--text-dark);
        font-size: 24px;
        cursor: pointer;
        padding: 4px 8px;
        border-radius: var(--radius-sm);
    }
    .nav-toggle:hover {
        background: var(--bg-soft);
    }
    @media (max-width: 1024px) {
        .main-nav {
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: var(--bg-white);
            flex-direction: column;
            align-items: stretch;
            padding: 16px 24px;
            gap: 8px;
            box-shadow: var(--shadow-lg);
            border-bottom: 1px solid var(--border-light);
            transform: translateY(-120%);
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
            z-index: 990;
        }
        .main-nav.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }
        .main-nav a {
            padding: 12px 16px;
            font-size: 16px;
            justify-content: flex-start;
        }
        .main-nav a.active::after {
            display: none;
        }
        .nav-toggle {
            display: block;
        }
        .header-cta .btn {
            padding: 8px 14px;
            font-size: 14px;
        }
    }
    @media (max-width: 640px) {
        .header-inner {
            height: 64px;
            gap: 12px;
        }
        .main-nav {
            top: 64px;
        }
        .brand-logo-icon {
            width: 36px;
            height: 36px;
            font-size: 17px;
        }
        .brand-logo-text {
            font-size: 18px;
        }
        .brand-logo-sub {
            font-size: 10px;
        }
        .header-cta .btn {
            padding: 7px 12px;
            font-size: 13px;
        }
    }

    /* ========== BREADCRUMB ========== */
    .breadcrumb-bar {
        background: var(--bg-light);
        border-bottom: 1px solid var(--border-light);
        padding: 12px 0;
    }
    .breadcrumb-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
    }
    .breadcrumb-nav {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        color: var(--text-secondary);
        flex-wrap: wrap;
    }
    .breadcrumb-nav a {
        color: var(--text-secondary);
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: var(--transition);
    }
    .breadcrumb-nav a:hover {
        color: var(--primary);
    }
    .breadcrumb-nav .sep {
        color: var(--text-muted);
        font-size: 12px;
    }
    .breadcrumb-nav .current {
        font-weight: 600;
        color: var(--text-dark);
    }
    .breadcrumb-back {
        font-size: 14px;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        white-space: nowrap;
    }
    .breadcrumb-back:hover {
        color: var(--primary-dark);
    }
    @media (max-width: 640px) {
        .breadcrumb-inner {
            flex-direction: column;
            align-items: flex-start;
        }
        .breadcrumb-bar {
            padding: 10px 0;
        }
    }

    /* ========== HERO ========== */
    .category-hero {
        background: var(--bg-light);
        border-bottom: 1px solid var(--border-light);
        padding: 64px 0 80px;
        position: relative;
        overflow: hidden;
    }
    .category-hero::before {
        content: '';
        position: absolute;
        top: -120px;
        right: -120px;
        width: 420px;
        height: 420px;
        border-radius: 50%;
        background: var(--primary-light);
        opacity: 0.6;
        z-index: 0;
    }
    .category-hero::after {
        content: '';
        position: absolute;
        bottom: -80px;
        left: -60px;
        width: 280px;
        height: 280px;
        border-radius: 50%;
        background: var(--accent-gold-light);
        opacity: 0.4;
        z-index: 0;
    }
    .category-hero .container-custom {
        position: relative;
        z-index: 1;
    }
    .category-hero-inner {
        display: flex;
        align-items: center;
        gap: 48px;
    }
    .category-hero-text {
        flex: 1;
        min-width: 0;
    }
    .category-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--primary-light);
        color: var(--primary);
        font-size: 13px;
        font-weight: 600;
        padding: 6px 14px;
        border-radius: 50px;
        margin-bottom: 16px;
        letter-spacing: 0.5px;
    }
    .category-hero h1 {
        font-size: 42px;
        font-weight: 700;
        color: var(--text-dark);
        line-height: 1.25;
        margin: 0 0 16px;
        letter-spacing: 0.5px;
    }
    .category-hero .hero-desc {
        font-size: 17px;
        color: var(--text-secondary);
        line-height: 1.8;
        margin: 0 0 28px;
        max-width: 640px;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }
    .category-hero-visual {
        flex-shrink: 0;
        width: 400px;
        max-width: 100%;
        position: relative;
    }
    .category-hero-visual img {
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
        width: 100%;
        height: auto;
    }
    .hero-stat-chip {
        position: absolute;
        bottom: -16px;
        left: 24px;
        right: 24px;
        background: var(--bg-white);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lg);
        padding: 16px 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        flex-wrap: wrap;
    }
    .hero-stat-chip .stat-item {
        text-align: center;
        flex: 1;
        min-width: 80px;
    }
    .hero-stat-chip .stat-num {
        font-size: 22px;
        font-weight: 700;
        color: var(--primary);
        display: block;
        line-height: 1.2;
    }
    .hero-stat-chip .stat-label {
        font-size: 12px;
        color: var(--text-muted);
        white-space: nowrap;
    }
    @media (max-width: 1024px) {
        .category-hero-inner {
            flex-direction: column;
            align-items: flex-start;
            gap: 32px;
        }
        .category-hero-visual {
            width: 100%;
        }
        .category-hero h1 {
            font-size: 34px;
        }
    }
    @media (max-width: 640px) {
        .category-hero {
            padding: 40px 0 56px;
        }
        .category-hero h1 {
            font-size: 28px;
        }
        .category-hero .hero-desc {
            font-size: 15px;
        }
        .hero-actions .btn {
            width: 100%;
            justify-content: center;
        }
        .hero-stat-chip {
            position: relative;
            bottom: auto;
            left: auto;
            right: auto;
            margin-top: 16px;
            padding: 12px 16px;
        }
        .hero-stat-chip .stat-num {
            font-size: 18px;
        }
        .hero-stat-chip .stat-label {
            font-size: 11px;
        }
    }

    /* ========== SECTION COMMON ========== */
    .section {
        padding: 72px 0;
    }
    .section-alt {
        background: var(--bg-light);
    }
    .section-header {
        margin-bottom: 44px;
    }
    .section-header h2 {
        font-size: 30px;
        font-weight: 600;
        color: var(--text-dark);
        margin: 0 0 12px;
        letter-spacing: 0.5px;
    }
    .section-header p {
        font-size: 16px;
        color: var(--text-secondary);
        margin: 0;
        max-width: 720px;
        line-height: 1.8;
    }
    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        background: var(--primary-light);
        padding: 4px 12px;
        border-radius: 50px;
        margin-bottom: 12px;
        letter-spacing: 0.5px;
    }
    @media (max-width: 640px) {
        .section {
            padding: 48px 0;
        }
        .section-header h2 {
            font-size: 24px;
        }
        .section-header p {
            font-size: 15px;
        }
    }

    /* ========== DIMENSION CARDS ========== */
    .dimension-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .dimension-card {
        background: var(--bg-white);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-lg);
        padding: 28px;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        position: relative;
        overflow: hidden;
    }
    .dimension-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: var(--primary-gradient);
        opacity: 0;
        transition: var(--transition);
    }
    .dimension-card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-3px);
        border-color: var(--primary-light);
    }
    .dimension-card:hover::before {
        opacity: 1;
    }
    .dimension-icon {
        width: 52px;
        height: 52px;
        border-radius: var(--radius-md);
        background: var(--primary-light);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        margin-bottom: 16px;
    }
    .dimension-card h3 {
        font-size: 19px;
        font-weight: 600;
        color: var(--text-dark);
        margin: 0 0 12px;
    }
    .dimension-card p {
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.8;
        margin: 0 0 16px;
    }
    .dimension-card .dimension-meta {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
    }
    .dimension-card .meta-tag {
        font-size: 12px;
        color: var(--primary);
        background: var(--primary-light);
        padding: 3px 10px;
        border-radius: 50px;
        font-weight: 500;
    }
    .dimension-card .meta-tag.green {
        color: var(--accent-green);
        background: #E8F5EE;
    }
    .dimension-card .meta-tag.gold {
        color: #B28300;
        background: var(--accent-gold-light);
    }
    @media (max-width: 1024px) {
        .dimension-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 640px) {
        .dimension-grid {
            grid-template-columns: 1fr;
        }
        .dimension-card {
            padding: 20px;
        }
        .dimension-card h3 {
            font-size: 17px;
        }
    }

    /* ========== REVIEW PROCESS ========== */
    .process-timeline {
        position: relative;
        padding-left: 32px;
    }
    .process-timeline::before {
        content: '';
        position: absolute;
        left: 12px;
        top: 0;
        bottom: 0;
        width: 2px;
        background: var(--border-color);
    }
    .process-step {
        position: relative;
        padding-bottom: 32px;
        padding-left: 28px;
    }
    .process-step:last-child {
        padding-bottom: 0;
    }
    .process-step::before {
        content: '';
        position: absolute;
        left: -24px;
        top: 4px;
        width: 18px;
        height: 18px;
        border-radius: 50%;
        background: var(--bg-white);
        border: 3px solid var(--primary);
        z-index: 1;
    }
    .process-step.active::before {
        background: var(--primary);
        border-color: var(--primary);
        box-shadow: 0 0 0 4px var(--primary-light);
    }
    .process-step .step-num {
        font-size: 13px;
        font-weight: 700;
        color: var(--primary);
        letter-spacing: 1px;
        margin-bottom: 6px;
        display: block;
    }
    .process-step h3 {
        font-size: 18px;
        font-weight: 600;
        color: var(--text-dark);
        margin: 0 0 8px;
    }
    .process-step p {
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.8;
        margin: 0;
    }
    .process-step .step-output {
        margin-top: 10px;
        background: var(--bg-light);
        border-radius: var(--radius-sm);
        padding: 12px 16px;
        font-size: 14px;
        color: var(--text-body);
        border-left: 3px solid var(--accent-green);
    }
    @media (max-width: 640px) {
        .process-timeline {
            padding-left: 20px;
        }
        .process-step {
            padding-left: 16px;
        }
        .process-step::before {
            left: -14px;
            width: 14px;
            height: 14px;
            border-width: 2px;
        }
    }

    /* ========== SCENARIO ========== */
    .scenario-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .scenario-card {
        background: var(--bg-white);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-lg);
        padding: 28px;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        display: flex;
        gap: 16px;
        align-items: flex-start;
    }
    .scenario-card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-2px);
    }
    .scenario-card .scenario-icon {
        flex-shrink: 0;
        width: 48px;
        height: 48px;
        border-radius: var(--radius-md);
        background: var(--accent-gold-light);
        color: #B28300;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
    }
    .scenario-card h3 {
        font-size: 17px;
        font-weight: 600;
        color: var(--text-dark);
        margin: 0 0 8px;
    }
    .scenario-card p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
        margin: 0;
    }
    @media (max-width: 640px) {
        .scenario-grid {
            grid-template-columns: 1fr;
        }
        .scenario-card {
            padding: 20px;
            flex-direction: column;
        }
    }

    /* ========== CASE CARDS ========== */
    .case-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .case-card {
        background: var(--bg-white);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
    }
    .case-card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-3px);
    }
    .case-card img {
        width: 100%;
        height: 220px;
        object-fit: cover;
        border-bottom: 1px solid var(--border-light);
    }
    .case-card-body {
        padding: 24px;
    }
    .case-card-body .case-date {
        font-size: 13px;
        color: var(--text-muted);
        display: flex;
        align-items: center;
        gap: 6px;
        margin-bottom: 8px;
    }
    .case-card-body h3 {
        font-size: 18px;
        font-weight: 600;
        color: var(--text-dark);
        margin: 0 0 10px;
        line-height: 1.4;
    }
    .case-card-body p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
        margin: 0 0 16px;
    }
    .case-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        transition: var(--transition);
    }
    .case-link:hover {
        color: var(--primary-dark);
        gap: 10px;
    }
    @media (max-width: 640px) {
        .case-grid {
            grid-template-columns: 1fr;
        }
        .case-card img {
            height: 180px;
        }
        .case-card-body {
            padding: 16px;
        }
    }

    /* ========== FAQ ========== */
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }
    .faq-item {
        background: var(--bg-white);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        overflow: hidden;
        transition: var(--transition);
    }
    .faq-item:hover {
        border-color: var(--primary-light);
    }
    .faq-item.open {
        border-color: var(--primary);
        box-shadow: var(--shadow-sm);
    }
    .faq-question {
        padding: 18px 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        cursor: pointer;
        font-size: 16px;
        font-weight: 600;
        color: var(--text-dark);
        gap: 12px;
        user-select: none;
        background: none;
        border: none;
        width: 100%;
        text-align: left;
        font-family: var(--font-family);
    }
    .faq-question .faq-icon {
        flex-shrink: 0;
        width: 24px;
        height: 24px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        transition: var(--transition);
        font-size: 14px;
    }
    .faq-item.open .faq-question .faq-icon {
        transform: rotate(45deg);
        color: var(--primary-dark);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
    }
    .faq-item.open .faq-answer {
        max-height: 500px;
    }
    .faq-answer-inner {
        padding: 0 24px 20px;
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.8;
    }
    @media (max-width: 640px) {
        .faq-question {
            padding: 14px 16px;
            font-size: 14px;
        }
        .faq-answer-inner {
            padding: 0 16px 14px;
            font-size: 14px;
        }
    }

    /* ========== CTA BAND ========== */
    .cta-band {
        background: var(--primary-gradient);
        border-radius: var(--radius-xl);
        padding: 48px 56px;
        text-align: center;
        position: relative;
        overflow: hidden;
        box-shadow: var(--shadow-lg);
    }
    .cta-band::before {
        content: '';
        position: absolute;
        top: -60px;
        left: -60px;
        width: 200px;
        height: 200px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.08);
    }
    .cta-band::after {
        content: '';
        position: absolute;
        bottom: -40px;
        right: -40px;
        width: 160px;
        height: 160px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.06);
    }
    .cta-band h2 {
        font-size: 28px;
        font-weight: 700;
        color: #fff;
        margin: 0 0 12px;
        position: relative;
        z-index: 1;
    }
    .cta-band p {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.85);
        margin: 0 0 28px;
        max-width: 560px;
        margin-left: auto;
        margin-right: auto;
        line-height: 1.8;
        position: relative;
        z-index: 1;
    }
    .cta-band .btn {
        position: relative;
        z-index: 1;
    }
    .btn-white {
        background: #fff;
        color: var(--primary);
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    }
    .btn-white:hover {
        background: var(--bg-light);
        color: var(--primary-dark);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
        transform: translateY(-2px);
    }
    @media (max-width: 640px) {
        .cta-band {
            padding: 32px 24px;
            border-radius: var(--radius-lg);
        }
        .cta-band h2 {
            font-size: 22px;
        }
        .cta-band p {
            font-size: 14px;
        }
    }

    /* ========== FOOTER ========== */
    .site-footer {
        background: #1A1A2E;
        color: rgba(255, 255, 255, 0.8);
        padding: 56px 0 24px;
        margin-top: 0;
    }
    .footer-top {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 32px;
        padding-bottom: 32px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .footer-brand .brand-logo {
        margin-bottom: 12px;
    }
    .footer-brand-desc {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.55);
        line-height: 1.8;
        margin: 0;
        max-width: 320px;
    }
    .footer-col h4 {
        font-size: 15px;
        font-weight: 600;
        color: #fff;
        margin: 0 0 16px;
    }
    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-col ul li {
        margin-bottom: 10px;
    }
    .footer-col ul li a {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.65);
        transition: var(--transition);
    }
    .footer-col ul li a:hover {
        color: #fff;
    }
    .footer-bottom {
        padding-top: 20px;
        display: flex;
        flex-wrap: wrap;
        gap: 12px 24px;
        justify-content: space-between;
        align-items: center;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.5);
    }
    .footer-bottom a {
        color: rgba(255, 255, 255, 0.6);
        transition: var(--transition);
    }
    .footer-bottom a:hover {
        color: #fff;
    }
    @media (max-width: 1024px) {
        .footer-top {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 640px) {
        .site-footer {
            padding: 40px 0 20px;
        }
        .footer-top {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
    }

    /* ========== FOCUS STATES ========== */
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }

    /* ========== REVIEW METRICS ========== */
    .metrics-row {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
        padding: 24px 0;
    }
    .metric-box {
        background: var(--bg-white);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-md);
        padding: 20px;
        text-align: center;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
    }
    .metric-box:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }
    .metric-box .metric-num {
        font-size: 28px;
        font-weight: 700;
        color: var(--primary);
        display: block;
        line-height: 1.2;
    }
    .metric-box .metric-label {
        font-size: 13px;
        color: var(--text-secondary);
        margin-top: 6px;
        display: block;
    }
    .metric-box .metric-desc {
        font-size: 12px;
        color: var(--text-muted);
        margin-top: 4px;
        line-height: 1.5;
    }
    @media (max-width: 640px) {
        .metrics-row {
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }
        .metric-box {
            padding: 14px 10px;
        }
        .metric-box .metric-num {
            font-size: 22px;
        }
        .metric-box .metric-label {
            font-size: 11px;
        }
        .metric-box .metric-desc {
            font-size: 10px;
        }
    }

    /* ========== OTHERS ========== */
    .img-cover {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: var(--radius-md);
    }
    .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;
    }