/* roulang page: index */
:root {
            --primary: #c8102e;
            --primary-dark: #a00d24;
            --primary-light: #e8344e;
            --secondary: #1a1a2e;
            --accent: #f5c518;
            --bg-light: #f8f9fa;
            --bg-dark: #0d0d1a;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #7a7a9a;
            --text-white: #ffffff;
            --border-light: #e8e8f0;
            --border-color: #d0d0e0;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1280px;
            --header-height: 72px;
            --mobile-tab-height: 64px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-light);
            padding-top: var(--header-height);
            padding-bottom: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        @media (max-width: 768px) {
            body {
                padding-bottom: var(--mobile-tab-height);
            }
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

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

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

        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header & Desktop Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            z-index: 1050;
            transition: var(--transition);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            transition: var(--transition);
            text-decoration: none;
        }

        .logo:hover {
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .logo span {
            color: var(--secondary);
            font-weight: 400;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-desktop .nav-link {
            padding: 8px 18px;
            font-weight: 500;
            font-size: 15px;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            text-decoration: none;
        }

        .nav-desktop .nav-link:hover {
            color: var(--primary);
            background: rgba(200, 16, 46, 0.06);
        }

        .nav-desktop .nav-link.active {
            color: var(--primary);
            background: rgba(200, 16, 46, 0.1);
            font-weight: 600;
        }

        .nav-desktop .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 22px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            text-decoration: none;
            margin-left: 12px;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 15px rgba(200, 16, 46, 0.35);
        }

        .nav-cta:active {
            transform: translateY(0);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--text-primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-desktop.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.99);
                backdrop-filter: blur(12px);
                border-bottom: 1px solid var(--border-light);
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                z-index: 1040;
            }
            .nav-desktop.open .nav-link {
                padding: 12px 16px;
                font-size: 16px;
                width: 100%;
            }
            .nav-desktop.open .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
                width: 100%;
            }
        }

        /* ===== Mobile Bottom Tab ===== */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: var(--mobile-tab-height);
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-light);
            z-index: 1060;
            padding: 0 8px;
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
        }

        .mobile-tab-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            max-width: 600px;
            margin: 0 auto;
        }

        .mobile-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            padding: 4px 12px;
            color: var(--text-light);
            font-size: 10px;
            font-weight: 500;
            text-decoration: none;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            min-width: 56px;
            position: relative;
        }

        .mobile-tab-item i {
            font-size: 20px;
            transition: var(--transition);
        }

        .mobile-tab-item span {
            line-height: 1.2;
        }

        .mobile-tab-item:hover {
            color: var(--primary);
            background: rgba(200, 16, 46, 0.06);
        }

        .mobile-tab-item.active {
            color: var(--primary);
        }

        .mobile-tab-item.active i {
            transform: scale(1.05);
        }

        .mobile-tab-item.active::after {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 0 0 3px 3px;
        }

        @media (max-width: 768px) {
            .mobile-bottom-tab {
                display: block;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: var(--bg-dark);
            overflow: hidden;
            padding: 80px 0 60px;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.5;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 13, 26, 0.92) 40%, rgba(200, 16, 46, 0.5) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 1;
            color: var(--text-white);
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            color: var(--accent);
            margin-bottom: 24px;
        }

        .hero-badge i {
            font-size: 14px;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

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

        .hero-desc {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 16px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-hero-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(200, 16, 46, 0.4);
        }

        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            background: transparent;
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 16px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-stat-item {
            text-align: left;
        }

        .hero-stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
        }

        .hero-stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 400px;
                padding: 60px 0 40px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero-stat-number {
                font-size: 26px;
            }
        }

        @media (max-width: 576px) {
            .hero-title {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-item {
                flex: 1;
                min-width: 80px;
            }
        }

        /* ===== Section Common ===== */
        .section-wrap {
            padding: 72px 0;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            background: rgba(200, 16, 46, 0.08);
            color: var(--primary);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }

        .section-sub {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-wrap {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== Features / Core ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 18px;
            background: rgba(200, 16, 46, 0.08);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--primary);
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 992px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .feature-card {
                padding: 24px 18px;
            }
        }

        /* ===== Category Cards ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            color: inherit;
        }

        .category-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }

        .category-card .card-body {
            padding: 20px 22px 24px;
        }

        .category-card .cat-badge {
            display: inline-block;
            padding: 3px 12px;
            background: rgba(200, 16, 46, 0.08);
            color: var(--primary);
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .category-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        .category-card .card-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 12px;
            transition: var(--transition);
        }

        .category-card:hover .card-arrow {
            gap: 10px;
        }

        @media (max-width: 992px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .category-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .category-card .card-img {
                height: 160px;
            }
        }

        /* ===== CMS List / News ===== */
        .cms-list-section {
            background: var(--bg-card);
        }

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

        .cms-item {
            display: flex;
            gap: 18px;
            padding: 20px;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .cms-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .cms-item .cms-thumb {
            width: 120px;
            height: 80px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            background: #e8e8f0;
        }

        .cms-item .cms-info {
            flex: 1;
            min-width: 0;
        }

        .cms-item .cms-cat {
            display: inline-block;
            padding: 2px 10px;
            background: rgba(200, 16, 46, 0.08);
            color: var(--primary);
            border-radius: 50px;
            font-size: 11px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .cms-item .cms-title {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-item .cms-title a {
            color: var(--text-primary);
            text-decoration: none;
        }

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

        .cms-item .cms-excerpt {
            font-size: 13px;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
        }

        .cms-item .cms-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .cms-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            color: var(--text-light);
            font-size: 16px;
            background: var(--bg-light);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }

        @media (max-width: 768px) {
            .cms-grid {
                grid-template-columns: 1fr;
            }
            .cms-item {
                flex-direction: column;
            }
            .cms-item .cms-thumb {
                width: 100%;
                height: 160px;
            }
        }

        /* ===== Data / Stats ===== */
        .data-section {
            background: var(--bg-dark);
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }

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

        .data-section .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }

        .data-item {
            padding: 32px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }

        .data-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .data-item .data-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .data-item .data-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        .data-item .data-icon {
            font-size: 32px;
            color: rgba(255, 255, 255, 0.15);
            margin-bottom: 12px;
        }

        @media (max-width: 992px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .data-item .data-number {
                font-size: 30px;
            }
            .data-item {
                padding: 24px 12px;
            }
        }

        /* ===== Process / Steps ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(to right, var(--primary), var(--accent), var(--primary));
            opacity: 0.2;
            z-index: 0;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 8px;
        }

        .process-step .step-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.3);
        }

        .process-step h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 16px;
            }
            .process-grid::before {
                display: none;
            }
        }

        @media (max-width: 576px) {
            .process-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px 12px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-question .faq-toggle {
            font-size: 18px;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #2a1a3a 100%);
            padding: 72px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

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

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 38px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 17px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-cta-primary:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 10px 35px rgba(200, 16, 46, 0.45);
        }

        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 34px;
            background: transparent;
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 16px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-cta-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-3px);
        }

        @media (max-width: 576px) {
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-cta-primary,
            .btn-cta-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

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

        .footer-brand .logo span {
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 300px;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: var(--transition);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

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

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

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Scroll to top ===== */
        .scroll-top {
            position: fixed;
            bottom: 80px;
            right: 24px;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50%;
            font-size: 18px;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            z-index: 1020;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .scroll-top:hover {
            background: var(--primary-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        @media (max-width: 768px) {
            .scroll-top {
                bottom: 80px;
                right: 16px;
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
        }

        /* ===== Utility ===== */
        .text-primary-custom {
            color: var(--primary);
        }
        .bg-primary-soft {
            background: rgba(200, 16, 46, 0.06);
        }
        .rounded-custom {
            border-radius: var(--radius-md);
        }
        .shadow-custom {
            box-shadow: var(--shadow-md);
        }

        .divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin: 0 auto 16px;
        }

        .divider-left {
            margin: 0 0 16px 0;
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #c8102e;
            --primary-dark: #a00d24;
            --primary-light: #e81a3a;
            --secondary: #f5c518;
            --secondary-dark: #d4a815;
            --accent: #004d99;
            --accent-light: #0066cc;
            --bg-body: #f8f9fa;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --bg-section-alt: #f0f2f5;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8a8aaa;
            --text-light: #ffffff;
            --border-color: #e0e3e8;
            --border-light: #f0f2f5;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.15);
            --shadow-hover: 0 12px 40px rgba(200,16,46,0.15);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        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; border-radius: var(--radius-md); }
        ul, ol { list-style: none; padding: 0; margin: 0; }
        .container { max-width: var(--container-max); padding: 0 20px; margin: 0 auto; width: 100%; }
        .container-fluid { width: 100%; padding: 0 20px; }

        /* ===== Header & Navigation ===== */
        .site-header {
            background: var(--bg-dark);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 20px rgba(0,0,0,0.3);
            border-bottom: 3px solid var(--primary);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-light);
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            text-decoration: none;
            transition: var(--transition);
        }
        .logo:hover { color: var(--secondary); transform: scale(1.02); }
        .logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 900;
            color: #fff;
            box-shadow: 0 4px 12px rgba(200,16,46,0.4);
        }
        .logo span { color: var(--secondary); font-weight: 700; }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-desktop .nav-link {
            color: rgba(255,255,255,0.75);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            text-decoration: none;
        }
        .nav-desktop .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--secondary);
            transition: var(--transition);
            border-radius: 2px;
        }
        .nav-desktop .nav-link:hover { color: #fff; background: rgba(255,255,255,0.08); }
        .nav-desktop .nav-link:hover::after { width: 60%; }
        .nav-desktop .nav-link.active { color: #fff; background: rgba(200,16,46,0.25); }
        .nav-desktop .nav-link.active::after { width: 60%; }
        .nav-desktop .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            padding: 8px 24px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(200,16,46,0.35);
            margin-left: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-desktop .nav-cta:hover { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(200,16,46,0.5); color: #fff; }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-toggle:hover { background: rgba(255,255,255,0.1); }

        /* ===== Mobile Bottom Tab Nav ===== */
        .mobile-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-dark);
            border-top: 2px solid var(--primary);
            z-index: 1060;
            padding: 6px 0 env(safe-area-inset-bottom, 6px);
            box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
        }
        .mobile-tab-nav .tab-items {
            display: flex;
            justify-content: space-around;
            align-items: center;
        }
        .mobile-tab-nav .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            padding: 6px 12px;
            color: rgba(255,255,255,0.55);
            font-size: 0.65rem;
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
            border-radius: var(--radius-sm);
        }
        .mobile-tab-nav .tab-item i { font-size: 1.2rem; transition: var(--transition); }
        .mobile-tab-nav .tab-item:hover { color: var(--secondary); background: rgba(255,255,255,0.05); }
        .mobile-tab-nav .tab-item.active { color: var(--secondary); }
        .mobile-tab-nav .tab-item.active i { transform: scale(1.1); }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #2a2a4a 100%);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg-body), transparent);
            z-index: 1;
        }
        .article-hero .container { position: relative; z-index: 2; }
        .article-hero .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
            color: rgba(255,255,255,0.6);
            font-size: 0.85rem;
        }
        .article-hero .article-breadcrumb a { color: rgba(255,255,255,0.7); text-decoration: none; }
        .article-hero .article-breadcrumb a:hover { color: var(--secondary); }
        .article-hero .article-breadcrumb i { font-size: 0.7rem; }
        .article-hero .hero-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .article-hero h1 {
            color: var(--text-light);
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.3;
            max-width: 900px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .article-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 20px;
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
        }
        .article-hero .hero-meta span { display: flex; align-items: center; gap: 6px; }
        .article-hero .hero-meta i { color: var(--secondary); }

        /* ===== Article Content ===== */
        .article-main { padding: 50px 0 70px; }
        .article-content-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .article-body .featured-image {
            margin-bottom: 30px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .article-body .featured-image img { width: 100%; height: auto; object-fit: cover; border-radius: var(--radius-md); }
        .article-body .article-content-text {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-primary);
        }
        .article-body .article-content-text p { margin-bottom: 1.5rem; }
        .article-body .article-content-text h2, 
        .article-body .article-content-text h3 { margin-top: 2rem; margin-bottom: 1rem; font-weight: 700; color: var(--bg-dark); }
        .article-body .article-content-text h2 { font-size: 1.6rem; border-left: 4px solid var(--primary); padding-left: 16px; }
        .article-body .article-content-text h3 { font-size: 1.25rem; }
        .article-body .article-content-text ul, 
        .article-body .article-content-text ol { margin-bottom: 1.5rem; padding-left: 1.5rem; list-style: disc; }
        .article-body .article-content-text li { margin-bottom: 0.5rem; }
        .article-body .article-content-text blockquote {
            background: var(--bg-section-alt);
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-secondary);
        }
        .article-body .article-content-text img { margin: 1.5rem 0; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
        .article-body .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 35px;
            padding-top: 25px;
            border-top: 1px solid var(--border-color);
        }
        .article-body .article-tags .tag {
            background: var(--bg-section-alt);
            padding: 5px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            transition: var(--transition);
            text-decoration: none;
        }
        .article-body .article-tags .tag:hover { background: var(--primary); color: #fff; }
        .article-body .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 25px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .article-body .article-share span { font-size: 0.9rem; font-weight: 600; color: var(--text-secondary); }
        .article-body .article-share a {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg-section-alt);
            color: var(--text-secondary);
            transition: var(--transition);
            text-decoration: none;
        }
        .article-body .article-share a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

        /* ===== Article Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .sidebar-card h5 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary);
            color: var(--bg-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h5 i { color: var(--primary); }
        .sidebar-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list li a {
            color: var(--text-primary);
            font-size: 0.92rem;
            font-weight: 500;
            transition: var(--transition);
            display: block;
            text-decoration: none;
        }
        .sidebar-list li a:hover { color: var(--primary); padding-left: 6px; }
        .sidebar-list li .list-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--bg-dark), #2a2a4a);
            color: var(--text-light);
            text-align: center;
            padding: 32px 24px;
        }
        .sidebar-cta h5 { color: var(--secondary); border-bottom-color: var(--secondary); }
        .sidebar-cta p { color: rgba(255,255,255,0.7); font-size: 0.9rem; margin-bottom: 18px; }
        .sidebar-cta .btn-cta {
            background: var(--primary);
            color: #fff;
            padding: 10px 30px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
            text-decoration: none;
        }
        .sidebar-cta .btn-cta:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(200,16,46,0.4); }

        /* ===== Related Articles ===== */
        .related-section {
            background: var(--bg-section-alt);
            padding: 60px 0;
        }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .related-section .section-title h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--bg-dark);
        }
        .related-section .section-title p {
            color: var(--text-muted);
            font-size: 1rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            text-decoration: none;
            color: inherit;
            display: block;
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .related-card .card-img {
            height: 180px;
            overflow: hidden;
        }
        .related-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .related-card:hover .card-img img { transform: scale(1.05); }
        .related-card .card-body { padding: 20px; }
        .related-card .card-body .card-category {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .related-card .card-body h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
        .related-card .card-body p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 12px; }
        .related-card .card-body .card-meta { font-size: 0.75rem; color: var(--text-muted); display: flex; gap: 14px; }

        /* ===== FAQ Section ===== */
        .faq-section { padding: 60px 0; background: var(--bg-card); }
        .faq-section .section-title { text-align: center; margin-bottom: 40px; }
        .faq-section .section-title h2 { font-size: 1.8rem; font-weight: 800; color: var(--bg-dark); }
        .faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.98rem;
            background: var(--bg-body);
            transition: var(--transition);
        }
        .faq-question:hover { background: var(--bg-section-alt); }
        .faq-question i { color: var(--primary); transition: var(--transition); font-size: 0.85rem; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.35s ease;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer { padding: 18px 24px; max-height: 300px; }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, var(--bg-dark), #2a2a4a);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 { color: var(--text-light); font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.7); font-size: 1.05rem; max-width: 600px; margin: 0 auto 28px; }
        .cta-section .cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .cta-section .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            padding: 14px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .btn-primary-custom:hover { background: var(--primary-light); transform: translateY(-3px); box-shadow: 0 12px 35px rgba(200,16,46,0.5); color: #fff; }
        .cta-section .btn-outline-custom {
            background: transparent;
            color: var(--text-light);
            border: 2px solid rgba(255,255,255,0.3);
            padding: 12px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .cta-section .btn-outline-custom:hover { border-color: var(--secondary); color: var(--secondary); transform: translateY(-3px); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 30px;
            border-top: 3px solid var(--primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { font-size: 1.3rem; margin-bottom: 16px; }
        .footer-brand p { font-size: 0.88rem; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 340px; }
        .footer-col h5 {
            color: var(--text-light);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            color: rgba(255,255,255,0.55);
            font-size: 0.88rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-col ul li a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); text-decoration: none; }
        .footer-bottom a:hover { color: var(--secondary); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-content-wrapper { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .mobile-toggle { display: block; }
            .mobile-tab-nav { display: block; }
            .header-inner { height: 62px; }
            .article-hero { padding: 50px 0 40px; min-height: 220px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-body { padding: 24px; }
            .article-body .article-content-text { font-size: 0.98rem; }
            .article-sidebar { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section h2 { font-size: 1.5rem; }
            .article-hero .hero-meta { gap: 12px; font-size: 0.8rem; }
            .article-hero h1 { font-size: 1.4rem; }
            .site-footer { padding: 40px 0 80px; }
        }
        @media (max-width: 520px) {
            .article-hero { padding: 40px 0 30px; min-height: 180px; }
            .article-hero h1 { font-size: 1.2rem; }
            .article-body { padding: 16px; }
            .article-body .article-content-text { font-size: 0.92rem; }
            .related-card .card-img { height: 140px; }
            .cta-section .btn-primary-custom, 
            .cta-section .btn-outline-custom { width: 100%; justify-content: center; }
            .footer-grid { gap: 20px; }
        }

        /* ===== Mobile Nav Slide Panel ===== */
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: var(--bg-dark);
            z-index: 1070;
            padding: 80px 24px 30px;
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            box-shadow: -10px 0 40px rgba(0,0,0,0.5);
            overflow-y: auto;
        }
        .mobile-nav-panel.open { right: 0; }
        .mobile-nav-panel .close-btn {
            position: absolute;
            top: 18px;
            right: 18px;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
        }
        .mobile-nav-panel .mobile-nav-link {
            display: block;
            padding: 14px 16px;
            color: rgba(255,255,255,0.75);
            font-size: 1rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            text-decoration: none;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .mobile-nav-panel .mobile-nav-link:hover { background: rgba(255,255,255,0.08); color: #fff; }
        .mobile-nav-panel .mobile-nav-link.active { color: var(--secondary); background: rgba(200,16,46,0.15); }
        .mobile-nav-panel .mobile-nav-cta {
            display: block;
            margin-top: 20px;
            background: var(--primary);
            color: #fff;
            text-align: center;
            padding: 14px;
            border-radius: 50px;
            font-weight: 700;
            text-decoration: none;
        }
        .mobile-nav-panel .mobile-nav-cta:hover { background: var(--primary-light); }
        .overlay {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 1065;
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
        }
        .overlay.show { opacity: 1; pointer-events: auto; }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 60px 24px;
        }
        .not-found-box i { font-size: 3rem; color: var(--text-muted); margin-bottom: 20px; }
        .not-found-box h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 12px; }
        .not-found-box p { color: var(--text-muted); margin-bottom: 24px; }
        .not-found-box .btn-back {
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: var(--transition);
        }
        .not-found-box .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); }

        /* ===== Utility ===== */
        .text-primary-custom { color: var(--primary); }
        .bg-primary-custom { background: var(--primary); }
        .text-secondary-custom { color: var(--secondary); }
        .mb-0 { margin-bottom: 0; }
        .mt-2 { margin-top: 20px; }
        .mt-3 { margin-top: 30px; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #c8102e;
            --primary-dark: #a00d24;
            --primary-light: #e8143a;
            --secondary: #1a1a2e;
            --accent: #f5c518;
            --bg-body: #f8f9fa;
            --bg-white: #ffffff;
            --bg-dark: #0f0f1a;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8888a0;
            --text-light: #f0f0f5;
            --border-color: #e8e8f0;
            --border-light: #f0f0f5;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 16px 48px rgba(200, 16, 46, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --container-w: 1200px;
            --nav-height: 70px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }
        h1 {
            font-size: 2.6rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            margin-bottom: 0.8rem;
            color: var(--text-secondary);
        }
        .container {
            width: 100%;
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-weight: 900;
            font-size: 1.2rem;
        }
        .logo span {
            color: var(--primary);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-desktop .nav-link {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav-desktop .nav-link:hover {
            color: var(--primary);
            background: rgba(200, 16, 46, 0.06);
        }
        .nav-desktop .nav-link.active {
            color: var(--primary);
            background: rgba(200, 16, 46, 0.1);
            font-weight: 600;
        }
        .nav-desktop .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-desktop .nav-cta {
            padding: 8px 24px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 10px;
        }
        .nav-desktop .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 16, 46, 0.3);
            color: #fff;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            background: none;
            border: none;
        }
        .mobile-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* ===== Mobile Bottom Tab ===== */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1060;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid var(--border-light);
            padding: 6px 0 env(safe-area-inset-bottom, 6px) 0;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
        }
        .mobile-bottom-tab .tab-inner {
            display: flex;
            justify-content: space-around;
            align-items: center;
            max-width: 500px;
            margin: 0 auto;
        }
        .mobile-bottom-tab .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            padding: 4px 10px;
            font-size: 0.65rem;
            color: var(--text-muted);
            transition: var(--transition);
            border-radius: var(--radius-sm);
            min-width: 60px;
        }
        .mobile-bottom-tab .tab-item i {
            font-size: 1.2rem;
            margin-bottom: 1px;
        }
        .mobile-bottom-tab .tab-item.active {
            color: var(--primary);
        }
        .mobile-bottom-tab .tab-item.active i {
            transform: scale(1.1);
        }
        .mobile-bottom-tab .tab-item:hover {
            color: var(--primary);
        }

        /* ===== Mobile Drawer ===== */
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 1090;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(4px);
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        .mobile-drawer.open {
            opacity: 1;
            pointer-events: all;
        }
        .mobile-drawer .drawer-panel {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 300px;
            max-width: 80vw;
            background: var(--bg-white);
            padding: 24px 20px;
            box-shadow: var(--shadow-lg);
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }
        .mobile-drawer.open .drawer-panel {
            transform: translateX(0);
        }
        .mobile-drawer .drawer-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
        }
        .mobile-drawer .drawer-close {
            font-size: 1.5rem;
            color: var(--text-primary);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .mobile-drawer .drawer-close:hover {
            background: rgba(0, 0, 0, 0.05);
        }
        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-drawer .drawer-nav a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .mobile-drawer .drawer-nav a:hover {
            background: rgba(200, 16, 46, 0.06);
            color: var(--primary);
        }
        .mobile-drawer .drawer-nav a.active {
            background: rgba(200, 16, 46, 0.1);
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-drawer .drawer-cta {
            margin-top: 20px;
            display: block;
            padding: 14px 24px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            text-align: center;
            font-size: 1rem;
        }
        .mobile-drawer .drawer-cta:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 60px 0 50px;
            background: linear-gradient(135deg, var(--secondary) 0%, #2a2a4a 100%);
            min-height: 280px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(200, 16, 46, 0.15) 0%, transparent 60%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero .breadcrumb-custom {
            display: flex;
            justify-content: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
        }
        .page-hero .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.7);
        }
        .page-hero .breadcrumb-custom a:hover {
            color: #fff;
        }
        .page-hero .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.3);
        }
        .page-hero h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .page-hero .hero-sub {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(200, 16, 46, 0.85);
            color: #fff;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 14px;
            backdrop-filter: blur(4px);
        }

        /* ===== Section Common ===== */
        section {
            padding: 70px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-title h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .section-title p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
        }
        .section-title .title-tag {
            display: inline-block;
            background: rgba(200, 16, 46, 0.08);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .section-title.text-start {
            text-align: left;
        }
        .section-title.text-start p {
            margin: 0;
        }
        .bg-light-custom {
            background: var(--bg-body);
        }
        .bg-white-custom {
            background: var(--bg-white);
        }
        .bg-dark-custom {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .bg-dark-custom .section-title h2 {
            color: #fff;
        }
        .bg-dark-custom .section-title p {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== News Cards ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(200, 16, 46, 0.15);
        }
        .news-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }
        .news-card .card-body {
            padding: 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .news-card .card-meta .tag {
            background: rgba(200, 16, 46, 0.08);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.7rem;
        }
        .news-card .card-meta .tag.tag-blue {
            background: rgba(26, 26, 46, 0.08);
            color: var(--secondary);
        }
        .news-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .news-card .card-body h3 a {
            color: var(--text-primary);
        }
        .news-card .card-body h3 a:hover {
            color: var(--primary);
        }
        .news-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            flex: 1;
            margin-bottom: 14px;
        }
        .news-card .card-footer-link {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: auto;
        }
        .news-card .card-footer-link i {
            transition: transform 0.2s;
        }
        .news-card .card-footer-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Featured Article ===== */
        .featured-article {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .featured-article .fa-img {
            height: 100%;
            min-height: 360px;
            object-fit: cover;
            width: 100%;
            border-radius: 0;
        }
        .featured-article .fa-body {
            padding: 40px 40px 40px 0;
        }
        .featured-article .fa-body .fa-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .featured-article .fa-body h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .featured-article .fa-body p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .featured-article .fa-body .fa-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 18px;
        }
        .featured-article .fa-body .fa-meta i {
            margin-right: 4px;
        }

        /* ===== Hot Topics / Tags ===== */
        .topic-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .topic-cloud .topic-item {
            padding: 8px 22px;
            border-radius: 24px;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .topic-cloud .topic-item:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 16, 46, 0.25);
        }
        .topic-cloud .topic-item.hot {
            background: rgba(200, 16, 46, 0.06);
            border-color: rgba(200, 16, 46, 0.2);
            color: var(--primary);
        }

        /* ===== Stats / Data ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stats-grid .stat-item {
            text-align: center;
            padding: 30px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .stats-grid .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stats-grid .stat-item .stat-num {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stats-grid .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ===== Schedule / Timeline ===== */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            padding: 18px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .schedule-item:hover {
            border-color: rgba(200, 16, 46, 0.2);
            box-shadow: var(--shadow-sm);
        }
        .schedule-item .s-date {
            min-width: 70px;
            text-align: center;
            font-weight: 700;
            color: var(--primary);
        }
        .schedule-item .s-date .day {
            font-size: 1.5rem;
            display: block;
            line-height: 1.2;
        }
        .schedule-item .s-date .month {
            font-size: 0.75rem;
            text-transform: uppercase;
            color: var(--text-muted);
        }
        .schedule-item .s-info {
            flex: 1;
        }
        .schedule-item .s-info .s-title {
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 2px;
        }
        .schedule-item .s-info .s-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .schedule-item .s-badge {
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(200, 16, 46, 0.08);
            color: var(--primary);
        }
        .schedule-item .s-badge.live {
            background: var(--primary);
            color: #fff;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(200, 16, 46, 0.15);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
            transition: var(--transition);
            user-select: none;
        }
        .faq-item .faq-q:hover {
            color: var(--primary);
        }
        .faq-item .faq-q i {
            color: var(--text-muted);
            transition: transform 0.3s;
            font-size: 0.85rem;
        }
        .faq-item.active .faq-q i {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            padding: 0 24px 18px 24px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-a {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .cta-section .cta-btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .cta-btn {
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .cta-btn-primary {
            background: #fff;
            color: var(--primary);
        }
        .cta-section .cta-btn-primary:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
        }
        .cta-section .cta-btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }
        .cta-section .cta-btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
            border-top: 4px solid var(--primary);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .logo .logo-icon {
            background: var(--primary);
        }
        .site-footer .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            max-width: 320px;
        }
        .site-footer .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .site-footer .footer-col h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .site-footer .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .featured-article {
                grid-template-columns: 1fr;
            }
            .featured-article .fa-body {
                padding: 24px 28px;
            }
            .featured-article .fa-img {
                min-height: 240px;
                max-height: 300px;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 60px;
                padding-bottom: 64px;
            }
            :root {
                --nav-height: 60px;
            }
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-bottom-tab {
                display: block;
            }
            .page-hero {
                padding: 40px 0 36px;
                min-height: 220px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero .hero-sub {
                font-size: 0.95rem;
            }
            section {
                padding: 50px 0;
            }
            .section-title {
                margin-bottom: 36px;
            }
            .section-title h2 {
                font-size: 1.5rem;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stats-grid .stat-item .stat-num {
                font-size: 1.8rem;
            }
            .schedule-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 18px;
            }
            .schedule-item .s-date {
                min-width: 50px;
            }
            .schedule-item .s-date .day {
                font-size: 1.2rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .featured-article .fa-body h2 {
                font-size: 1.3rem;
            }
            .topic-cloud .topic-item {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero .hero-sub {
                font-size: 0.85rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stats-grid .stat-item {
                padding: 20px 12px;
            }
            .stats-grid .stat-item .stat-num {
                font-size: 1.5rem;
            }
            .news-card .card-body {
                padding: 16px 18px;
            }
            .news-card .card-img {
                height: 160px;
            }
            .cta-section .cta-btn {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .cta-section .cta-btn-group {
                flex-direction: column;
                align-items: stretch;
            }
            .mobile-bottom-tab .tab-item {
                font-size: 0.6rem;
                min-width: 50px;
                padding: 2px 6px;
            }
            .mobile-bottom-tab .tab-item i {
                font-size: 1rem;
            }
        }

        /* ===== Utility ===== */
        .gap-8 {
            gap: 8px;
        }
        .gap-12 {
            gap: 12px;
        }
        .gap-16 {
            gap: 16px;
        }
        .gap-24 {
            gap: 24px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .text-center {
            text-align: center;
        }
        .d-flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .align-center {
            align-items: center;
        }
        .justify-center {
            justify-content: center;
        }
        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: none;
        }
        .btn-more:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 16, 46, 0.3);
            color: #fff;
        }
        .btn-more i {
            transition: transform 0.2s;
        }
        .btn-more:hover i {
            transform: translateX(4px);
        }
        .btn-outline-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .btn-outline-more:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .text-primary {
            color: var(--primary);
        }
        .text-muted {
            color: var(--text-muted);
        }

/* roulang page: category2 */
:root {
            --primary: #cc0000;
            --primary-dark: #990000;
            --primary-light: #ff1a1a;
            --secondary: #1a1a2e;
            --accent: #ffd700;
            --bg-dark: #0d0d1a;
            --bg-card: #ffffff;
            --bg-light: #f8f9fa;
            --bg-section: #f0f2f5;
            --text-dark: #1a1a2e;
            --text-body: #2d3436;
            --text-muted: #636e72;
            --text-white: #ffffff;
            --border-color: #e8e8e8;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.15);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
        }

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

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

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            padding-top: var(--header-h);
            overflow-x: hidden;
        }

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

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

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            z-index: 1050;
            box-shadow: 0 1px 12px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }

        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
        }
        .logo .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 20px;
            font-weight: 700;
        }
        .logo span {
            color: var(--primary);
            font-weight: 700;
        }
        .logo:hover {
            color: var(--text-dark);
            opacity: 0.9;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-desktop .nav-link {
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .nav-desktop .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-desktop .nav-link:hover {
            color: var(--primary);
            background: rgba(204, 0, 0, 0.04);
        }
        .nav-desktop .nav-link:hover::after {
            width: 60%;
        }
        .nav-desktop .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-desktop .nav-link.active::after {
            width: 70%;
        }

        .nav-cta {
            padding: 10px 24px;
            background: var(--primary);
            color: #fff !important;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            margin-left: 12px;
            border: none;
        }
        .nav-cta i {
            font-size: 13px;
            transition: var(--transition);
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(204, 0, 0, 0.3);
        }
        .nav-cta:hover i {
            transform: translateX(4px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--text-dark);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        /* Mobile Bottom Tab */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 68px;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid rgba(0, 0, 0, 0.06);
            z-index: 1060;
            box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.06);
            padding: 0 8px;
        }
        .mobile-bottom-tab .tab-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            max-width: 480px;
            margin: 0 auto;
        }
        .mobile-bottom-tab .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            padding: 4px 12px;
            color: var(--text-muted);
            font-size: 11px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            text-decoration: none;
            min-width: 60px;
        }
        .mobile-bottom-tab .tab-item i {
            font-size: 20px;
            transition: var(--transition);
        }
        .mobile-bottom-tab .tab-item span {
            font-size: 11px;
            line-height: 1.2;
        }
        .mobile-bottom-tab .tab-item:hover {
            color: var(--primary);
            background: rgba(204, 0, 0, 0.04);
        }
        .mobile-bottom-tab .tab-item.active {
            color: var(--primary);
        }
        .mobile-bottom-tab .tab-item.active i {
            transform: scale(1.05);
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--secondary) 0%, #16213e 60%, #0f3460 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.2;
            mix-blend-mode: overlay;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 120px;
            background: linear-gradient(to top, var(--bg-light), transparent);
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner .banner-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.2);
            color: var(--accent);
            padding: 6px 20px;
            border-radius: var(--radius-xl);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
            border: 1px solid rgba(255, 215, 0, 0.25);
        }
        .page-banner h1 {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -1px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }
        .page-banner p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 8px;
            line-height: 1.7;
        }
        .page-banner .banner-meta {
            display: flex;
            justify-content: center;
            gap: 32px;
            margin-top: 24px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
        }
        .page-banner .banner-meta i {
            margin-right: 6px;
            color: var(--accent);
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section);
        }
        .section-white {
            background: #fff;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }
        .section-title p {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-title .title-accent {
            display: inline-block;
            width: 50px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin-top: 12px;
        }

        /* ===== Cards ===== */
        .card-modern {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-modern:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .card-modern .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-color);
        }
        .card-modern .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-modern .card-tag {
            display: inline-block;
            background: rgba(204, 0, 0, 0.08);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: var(--radius-xl);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .card-modern .card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-modern .card-title a {
            color: var(--text-dark);
        }
        .card-modern .card-title a:hover {
            color: var(--primary);
        }
        .card-modern .card-text {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .card-modern .card-footer {
            padding: 16px 24px;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            background: rgba(0, 0, 0, 0.01);
        }
        .card-modern .card-footer .author {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .card-modern .card-footer .author img {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            object-fit: cover;
        }

        /* ===== Topic Grid ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        /* ===== Featured Topic (large card) ===== */
        .topic-featured {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            margin-bottom: 40px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .topic-featured:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .topic-featured .featured-img {
            height: 100%;
            min-height: 320px;
            object-fit: cover;
            width: 100%;
        }
        .topic-featured .featured-content {
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .topic-featured .featured-content .tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: var(--radius-xl);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            align-self: flex-start;
        }
        .topic-featured .featured-content h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .topic-featured .featured-content p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .topic-featured .featured-content .btn-milan {
            align-self: flex-start;
        }

        /* ===== Stats / Data ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-item {
            text-align: center;
            background: #fff;
            padding: 36px 20px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-item .stat-number {
            font-size: 44px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .stat-item .stat-label {
            font-size: 16px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .stat-item .stat-icon {
            font-size: 28px;
            color: var(--primary-light);
            margin-bottom: 12px;
            opacity: 0.7;
        }

        /* ===== Activity Timeline ===== */
        .timeline {
            position: relative;
            padding-left: 40px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            border-radius: 4px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 36px;
            padding-left: 20px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 6px;
            width: 16px;
            height: 16px;
            background: var(--primary);
            border-radius: 50%;
            border: 4px solid #fff;
            box-shadow: 0 0 0 3px var(--primary);
        }
        .timeline-item .tl-date {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .timeline-item .tl-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .timeline-item .tl-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .timeline-item .tl-tag {
            display: inline-block;
            background: rgba(204, 0, 0, 0.06);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: var(--radius-xl);
            font-size: 12px;
            font-weight: 500;
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 18px 24px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-item .faq-question:hover {
            color: var(--primary);
        }
        .faq-item .faq-question i {
            transition: var(--transition);
            color: var(--text-muted);
            font-size: 14px;
        }
        .faq-item .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            display: none;
        }
        .faq-item .faq-answer.show {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #16213e 60%, #0f3460 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 44px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-xl);
            font-size: 18px;
            font-weight: 700;
            border: none;
            transition: var(--transition);
        }
        .cta-section .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(204, 0, 0, 0.35);
            color: #fff;
        }
        .cta-section .btn-cta i {
            transition: var(--transition);
        }
        .cta-section .btn-cta:hover i {
            transform: translateX(6px);
        }

        /* ===== Buttons ===== */
        .btn-milan {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            background: var(--primary);
            color: #fff !important;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 15px;
            border: none;
            transition: var(--transition);
        }
        .btn-milan:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(204, 0, 0, 0.25);
        }
        .btn-outline-milan {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 26px;
            background: transparent;
            color: var(--primary) !important;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 15px;
            border: 2px solid var(--primary);
            transition: var(--transition);
        }
        .btn-outline-milan:hover {
            background: var(--primary);
            color: #fff !important;
            transform: translateY(-2px);
        }

        /* ===== Tags / Badges ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }
        .tag-list .tag-item {
            display: inline-block;
            padding: 6px 18px;
            background: #fff;
            border-radius: var(--radius-xl);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .tag-list .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(204, 0, 0, 0.03);
        }
        .tag-list .tag-item.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
        }
        .site-footer .logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .logo .logo-icon {
            background: var(--primary);
        }
        .site-footer .logo span {
            color: var(--primary-light);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .page-banner h1 {
                font-size: 38px;
            }
            .topic-featured {
                grid-template-columns: 1fr;
            }
            .topic-featured .featured-img {
                min-height: 240px;
            }
            .topic-featured .featured-content {
                padding: 32px 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-bottom-tab {
                display: block;
            }
            body {
                padding-bottom: 68px;
            }

            .page-banner {
                padding: 80px 0 60px;
                min-height: 240px;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .page-banner p {
                font-size: 16px;
            }
            .page-banner .banner-meta {
                flex-wrap: wrap;
                gap: 16px;
                font-size: 14px;
            }

            .section {
                padding: 56px 0;
            }
            .section-title h2 {
                font-size: 28px;
            }

            .topic-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item {
                padding: 24px 16px;
            }
            .stat-item .stat-number {
                font-size: 34px;
            }

            .topic-featured .featured-content h3 {
                font-size: 22px;
            }

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

            .cta-section h2 {
                font-size: 28px;
            }
            .cta-section .btn-cta {
                padding: 14px 32px;
                font-size: 16px;
            }

            .faq-item .faq-question {
                font-size: 15px;
                padding: 14px 18px;
            }
            .faq-item .faq-answer {
                padding: 0 18px 16px;
                font-size: 14px;
            }

            .timeline {
                padding-left: 28px;
            }
            .timeline-item::before {
                left: -24px;
                width: 12px;
                height: 12px;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 24px;
            }
            .page-banner p {
                font-size: 14px;
            }
            .page-banner .banner-meta {
                font-size: 13px;
                gap: 12px;
                flex-direction: column;
                align-items: center;
            }
            .section-title h2 {
                font-size: 24px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 28px;
            }
            .stat-item .stat-label {
                font-size: 14px;
            }
            .topic-featured .featured-content {
                padding: 24px 20px;
            }
            .topic-featured .featured-content h3 {
                font-size: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .logo {
                font-size: 20px;
            }
            .logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
        }

        /* Mobile nav overlay */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            z-index: 1040;
            border-bottom: 1px solid var(--border-color);
        }
        .mobile-nav-overlay.open {
            display: block;
        }
        .mobile-nav-overlay a {
            display: block;
            padding: 12px 16px;
            font-size: 17px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-nav-overlay a:hover {
            background: rgba(204, 0, 0, 0.04);
            color: var(--primary);
        }
        .mobile-nav-overlay a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(204, 0, 0, 0.04);
        }
        .mobile-nav-overlay .nav-cta {
            margin-left: 0;
            margin-top: 12px;
            justify-content: center;
        }

        .back-to-top {
            position: fixed;
            bottom: 80px;
            right: 24px;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50%;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(204, 0, 0, 0.3);
            transition: var(--transition);
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
        }
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-to-top:hover {
            background: var(--primary-dark);
            transform: translateY(-4px);
            box-shadow: 0 6px 24px rgba(204, 0, 0, 0.4);
        }

/* roulang page: category3 */
/* ===== Design Variables ===== */
        :root {
            --color-primary: #c8102e;
            --color-primary-dark: #a00d24;
            --color-primary-light: #e83a4a;
            --color-secondary: #1a1a2e;
            --color-secondary-light: #2d2d44;
            --color-accent: #f5c518;
            --color-bg: #f8f9fa;
            --color-bg-alt: #ffffff;
            --color-bg-dark: #0f0f1a;
            --color-text: #1e1e2a;
            --color-text-light: #6b6b80;
            --color-text-inverse: #ffffff;
            --color-border: #e2e5ea;
            --color-border-light: #f0f1f4;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 32px 64px rgba(0, 0, 0, 0.16);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1280px;
            --header-height: 72px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            overflow-x: hidden;
            padding-top: var(--header-height);
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text);
            text-decoration: none;
            letter-spacing: -0.5px;
        }
        .logo:hover {
            color: var(--color-text);
        }
        .logo .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 20px;
            font-weight: 800;
        }
        .logo span {
            color: var(--color-primary);
            font-weight: 700;
        }

        /* Desktop Nav */
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-desktop .nav-link {
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-light);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .nav-desktop .nav-link:hover {
            color: var(--color-primary);
            background: rgba(200, 16, 46, 0.06);
        }
        .nav-desktop .nav-link.active {
            color: var(--color-primary);
            background: rgba(200, 16, 46, 0.10);
            font-weight: 600;
        }
        .nav-desktop .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 2px;
        }
        .nav-desktop .nav-cta {
            padding: 10px 24px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            margin-left: 12px;
            border: none;
        }
        .nav-desktop .nav-cta:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.30);
        }

        /* Mobile Toggle */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--color-text);
            padding: 8px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        /* Mobile Bottom Tab */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1060;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--color-border-light);
            padding: 6px 0 env(safe-area-inset-bottom, 6px) 0;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
        }
        .mobile-bottom-tab .tab-inner {
            display: flex;
            justify-content: space-around;
            align-items: center;
            max-width: 600px;
            margin: 0 auto;
        }
        .mobile-bottom-tab .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            padding: 6px 12px;
            font-size: 11px;
            font-weight: 500;
            color: var(--color-text-light);
            text-decoration: none;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .mobile-bottom-tab .tab-item i {
            font-size: 20px;
            transition: var(--transition);
        }
        .mobile-bottom-tab .tab-item:hover {
            color: var(--color-primary);
        }
        .mobile-bottom-tab .tab-item.active {
            color: var(--color-primary);
        }
        .mobile-bottom-tab .tab-item.active::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 0 0 3px 3px;
        }
        .mobile-bottom-tab .tab-item.active i {
            transform: scale(1.05);
        }

        /* Mobile Drawer */
        .mobile-drawer {
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 24px 32px;
            display: none;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
            opacity: 0;
            transform: translateY(-12px);
            transition: opacity 0.3s ease, transform 0.3s ease;
        }
        .mobile-drawer.open {
            display: flex;
            opacity: 1;
            transform: translateY(0);
        }
        .mobile-drawer .drawer-link {
            padding: 14px 20px;
            font-size: 17px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .mobile-drawer .drawer-link i {
            width: 24px;
            color: var(--color-text-light);
            font-size: 18px;
        }
        .mobile-drawer .drawer-link:hover {
            background: rgba(200, 16, 46, 0.06);
            color: var(--color-primary);
        }
        .mobile-drawer .drawer-link.active {
            background: rgba(200, 16, 46, 0.10);
            color: var(--color-primary);
            font-weight: 600;
        }
        .mobile-drawer .drawer-cta {
            margin-top: 16px;
            padding: 16px 24px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            border: none;
            transition: var(--transition);
        }
        .mobile-drawer .drawer-cta:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            background: linear-gradient(135deg, var(--color-secondary) 0%, #0f0f1a 100%);
            padding: 80px 0 64px;
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--color-bg), transparent);
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .page-banner .banner-badge i {
            color: var(--color-accent);
        }
        .page-banner h1 {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-banner h1 span {
            color: var(--color-primary-light);
        }
        .page-banner p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.70);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .page-banner .banner-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        .page-banner .banner-stats .stat-item {
            text-align: center;
        }
        .page-banner .banner-stats .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            display: block;
            line-height: 1.2;
        }
        .page-banner .banner-stats .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            font-weight: 400;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 60px 0 48px;
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 32px;
            }
            .page-banner p {
                font-size: 16px;
            }
            .page-banner .banner-stats {
                gap: 28px;
            }
            .page-banner .banner-stats .stat-num {
                font-size: 26px;
            }
        }

        /* ===== Section Spacing ===== */
        section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--color-text-light);
            max-width: 560px;
            line-height: 1.7;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--color-primary);
            border-radius: 4px;
            margin: 16px 0 24px;
        }
        .text-center .section-divider {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .section-subtitle {
                font-size: 15px;
            }
        }

        /* ===== Category Filter Tabs ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .filter-tabs .filter-btn {
            padding: 10px 24px;
            border-radius: 50px;
            border: 1.5px solid var(--color-border);
            background: var(--color-bg-alt);
            color: var(--color-text-light);
            font-weight: 500;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-tabs .filter-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(200, 16, 46, 0.04);
        }
        .filter-tabs .filter-btn.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.25);
        }

        /* ===== Product Card ===== */
        .product-card {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--color-border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .product-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(200, 16, 46, 0.15);
        }
        .product-card .card-img {
            position: relative;
            aspect-ratio: 1/1;
            overflow: hidden;
            background: #f0f1f4;
        }
        .product-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .product-card:hover .card-img img {
            transform: scale(1.05);
        }
        .product-card .card-img .badge-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(200, 16, 46, 0.25);
        }
        .product-card .card-img .badge-tag.hot {
            background: var(--color-warning);
            color: #1e1e2a;
        }
        .product-card .card-img .badge-tag.new {
            background: var(--color-success);
        }
        .product-card .card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .product-card .card-body .product-cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .product-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .product-card .card-body h3 a {
            color: var(--color-text);
        }
        .product-card .card-body h3 a:hover {
            color: var(--color-primary);
        }
        .product-card .card-body .product-desc {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
        }
        .product-card .card-body .product-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }
        .product-card .card-body .product-price {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
        }
        .product-card .card-body .product-price .original {
            font-size: 15px;
            font-weight: 400;
            color: var(--color-text-light);
            text-decoration: line-through;
            margin-left: 8px;
        }
        .product-card .card-body .product-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            color: var(--color-accent);
        }
        .product-card .card-body .product-rating span {
            color: var(--color-text-light);
            margin-left: 4px;
        }
        .product-card .card-body .btn-add-cart {
            padding: 12px 20px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            transition: var(--transition);
            width: 100%;
            cursor: pointer;
        }
        .product-card .card-body .btn-add-cart:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.25);
        }

        /* ===== Feature Grid (Info Cards) ===== */
        .info-card {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
            height: 100%;
            text-align: center;
        }
        .info-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .info-card .icon-box {
            width: 64px;
            height: 64px;
            background: rgba(200, 16, 46, 0.08);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 28px;
            color: var(--color-primary);
            transition: var(--transition);
        }
        .info-card:hover .icon-box {
            background: var(--color-primary);
            color: #fff;
        }
        .info-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .info-card p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Featured / Category Row ===== */
        .category-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: var(--color-bg-alt);
            border-radius: 50px;
            border: 1.5px solid var(--color-border-light);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-light);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-pill:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(200, 16, 46, 0.04);
        }
        .category-pill.active {
            border-color: var(--color-primary);
            background: var(--color-primary);
            color: #fff;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            margin-bottom: 12px;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-item .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 17px;
            font-weight: 600;
            cursor: pointer;
            color: var(--color-text);
            gap: 16px;
        }
        .faq-item .faq-q i {
            font-size: 18px;
            color: var(--color-text-light);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-q i {
            transform: rotate(45deg);
            color: var(--color-primary);
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding-top: 0;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .faq-item.open .faq-a {
            max-height: 400px;
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-secondary) 0%, #0f0f1a 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.65);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 17px;
            border: none;
            transition: var(--transition);
            cursor: pointer;
        }
        .cta-section .btn-cta:hover {
            background: var(--color-primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(200, 16, 46, 0.35);
        }
        .cta-section .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: transparent;
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 17px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition);
            cursor: pointer;
            margin-left: 12px;
        }
        .cta-section .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        @media (max-width: 576px) {
            .cta-section h2 {
                font-size: 28px;
            }
            .cta-section .btn-cta,
            .cta-section .btn-cta-outline {
                width: 100%;
                justify-content: center;
                margin-left: 0;
                margin-bottom: 12px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.70);
            padding: 60px 0 32px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }
        .site-footer .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.40);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.50);
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 576px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Responsive Nav ===== */
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-bottom-tab {
                display: block;
            }
            body {
                padding-bottom: 72px;
            }
        }

        /* ===== Utility ===== */
        .bg-alt {
            background: var(--color-bg-alt);
        }
        .bg-light {
            background: var(--color-bg);
        }
        .gap-y-40 {
            row-gap: 40px;
        }
        .gap-y-24 {
            row-gap: 24px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-32 {
            margin-top: 32px;
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--color-text-light);
        }

        /* ===== Focus ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Product Grid ===== */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        @media (max-width: 576px) {
            .product-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }
        @media (max-width: 400px) {
            .product-grid {
                grid-template-columns: 1fr;
            }
        }