/* roulang page: index */
:root {
            --primary: #DC2626;
            --primary-dark: #B91C1C;
            --primary-light: #FEE2E2;
            --secondary: #1F2937;
            --secondary-light: #374151;
            --accent: #F59E0B;
            --accent-light: #FCD34D;
            --bg-body: #F8FAFC;
            --bg-card: #FFFFFF;
            --text-primary: #111827;
            --text-secondary: #4B5563;
            --text-muted: #9CA3AF;
            --border: #E5E7EB;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }
        *,
        *::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);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
        }

        /* ========== Header & Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--secondary);
            letter-spacing: -0.5px;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .logo span {
            color: var(--primary);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: background var(--transition), color var(--transition);
            position: relative;
        }
        .nav-list a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-list a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-cta {
            background: var(--primary) !important;
            color: #fff !important;
            padding: 8px 22px !important;
            border-radius: var(--radius-sm) !important;
            font-weight: 600 !important;
            transition: background var(--transition), transform var(--transition) !important;
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            transform: translateY(-1px);
            color: #fff !important;
        }
        .nav-cta::after {
            display: none !important;
        }
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: var(--bg-body);
            border: 1px solid var(--border);
            font-size: 1.3rem;
            color: var(--text-primary);
            cursor: pointer;
            transition: background var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: flex;
            }
            .nav-list {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: transform 0.35s ease, opacity 0.35s ease;
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .nav-list a.active::after {
                display: none;
            }
            .nav-list a.active {
                background: var(--primary-light);
                color: var(--primary);
            }
            .nav-cta {
                text-align: center;
                margin-top: 8px;
            }
        }

        /* ========== Hero ========== */
        .hero {
            padding: 140px 0 80px;
            background: var(--secondary);
            position: relative;
            overflow: hidden;
            min-height: 100vh;
            display: flex;
            align-items: center;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            filter: saturate(0.7);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 41, 55, 0.92) 0%, rgba(17, 24, 39, 0.80) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(220, 38, 38, 0.20);
            border: 1px solid rgba(220, 38, 38, 0.30);
            padding: 6px 16px;
            border-radius: 100px;
            color: var(--accent-light);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.15;
            color: #fff;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .hero h1 span {
            color: var(--accent);
        }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 14px rgba(220, 38, 38, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(220, 38, 38, 0.40);
            color: #fff;
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.20);
            transition: background var(--transition), transform var(--transition), border-color var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.20);
            transform: translateY(-2px);
            border-color: rgba(255, 255, 255, 0.35);
            color: #fff;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 48px;
            padding-top: 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .hero {
                padding: 120px 0 60px;
                min-height: auto;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
            .hero p {
                font-size: 1.05rem;
            }
            .hero-stats {
                gap: 20px;
                padding-top: 24px;
                margin-top: 32px;
            }
            .hero-stat-number {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
        }

        /* ========== Section ========== */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 48px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }
        @media (max-width: 520px) {
            .section-header h2 {
                font-size: 1.4rem;
            }
        }

        /* ========== Services ========== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 28px;
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
            border-radius: 0 0 4px 4px;
        }
        .service-icon {
            width: 56px;
            height: 56px;
            background: var(--primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 20px;
            transition: background var(--transition), transform var(--transition);
        }
        .service-card:hover .service-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }
        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .service-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .service-card .cover-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-top: 18px;
            border: 1px solid var(--border);
        }
        @media (max-width: 1024px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .services-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== Latest News ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .news-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
        }
        .news-card-body {
            padding: 20px 24px 24px;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .news-card-meta .cat-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.75rem;
        }
        .news-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .news-card .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            transition: gap var(--transition);
        }
        .news-card .read-more:hover {
            gap: 10px;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            color: var(--text-muted);
            font-size: 1rem;
        }
        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== Advantages ========== */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .advantage-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--bg-card);
            padding: 28px 24px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .advantage-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .advantage-icon {
            width: 48px;
            height: 48px;
            min-width: 48px;
            background: var(--primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
        }
        .advantage-text h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .advantage-text p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .advantages-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            cursor: pointer;
            transition: background var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            background: var(--bg-body);
        }
        .faq-question i {
            font-size: 1.1rem;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        @media (max-width: 520px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--secondary);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 620px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--secondary);
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }
        .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.40);
            color: var(--secondary);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: #fff;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: background var(--transition), border-color var(--transition);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(255, 255, 255, 0.40);
            color: #fff;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-inner h2 {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 520px) {
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-actions .btn-cta,
            .cta-actions .btn-ghost {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--secondary);
            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: var(--accent);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 1rem;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== Scroll Animations ========== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.show {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== Back to Top ========== */
        .back-top {
            position: fixed;
            bottom: 28px;
            right: 28px;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 16px rgba(220, 38, 38, 0.35);
            z-index: 999;
            opacity: 0;
            pointer-events: none;
            transform: translateY(20px);
            transition: opacity var(--transition), transform var(--transition), background var(--transition);
        }
        .back-top.show {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }
        .back-top:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
        }

        /* ========== Utility ========== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 0 auto 16px;
        }
        .gap-section {
            margin-top: 16px;
        }
        .cover-img-rounded {
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
        }
        .focus-ring:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        @media (max-width: 520px) {
            .back-top {
                bottom: 16px;
                right: 16px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #c8102e;
            --primary-dark: #a00d25;
            --primary-light: #e81e3e;
            --secondary: #1a1a2e;
            --accent-gold: #f5c518;
            --bg-dark: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #222240;
            --text-white: #f8f9fa;
            --text-muted: #a0a4b8;
            --border-color: #2a2a4a;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: #fff;
        }
        .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: 800;
            color: #fff;
            box-shadow: 0 4px 12px rgba(200, 16, 46, 0.35);
        }
        .logo span {
            color: var(--primary-light);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
        }
        .nav-list a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-list a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.3);
        }
        .nav-list a.nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: 8px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.3);
        }
        .nav-list a.nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 16, 46, 0.4);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 6px;
        }
        .nav-toggle span {
            display: block;
            width: 28px;
            height: 2.5px;
            background: #fff;
            border-radius: 4px;
            transition: var(--transition);
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-list {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-radius: 0 0 20px 20px;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 18px;
                font-size: 1.05rem;
            }
            .nav-list a.nav-cta {
                text-align: center;
                margin-top: 6px;
            }
        }

        /* ===== Hero Banner ===== */
        .category-hero {
            margin-top: 72px;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, #0f0f1a 0%, #1a0a14 50%, #0f0f1a 100%);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(200, 16, 46, 0.15) 0%, transparent 70%);
            z-index: 0;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 16, 46, 0.2);
            border: 1px solid rgba(200, 16, 46, 0.3);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #f5a0a8;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .category-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 20px;
            background: linear-gradient(to right, #fff, #f0c0c8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .category-hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 32px;
        }
        .category-hero .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 40px;
        }
        .category-hero .hero-stats .stat-item {
            text-align: center;
        }
        .category-hero .hero-stats .stat-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        .category-hero .hero-stats .stat-item .label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 80px 0 60px;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .category-hero .hero-stats {
                gap: 24px;
            }
            .category-hero .hero-stats .stat-item .num {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-stats {
                gap: 16px;
            }
            .category-hero .hero-stats .stat-item .num {
                font-size: 1.4rem;
            }
        }

        /* ===== Section ===== */
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 560px;
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        /* ===== Cards Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .card-grid,
            .card-grid.cols-2,
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Event Card ===== */
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-6px);
            border-color: rgba(200, 16, 46, 0.3);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
            background: var(--bg-card-hover);
        }
        .event-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }
        .event-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }
        .event-card .card-tags .tag {
            font-size: 0.75rem;
            padding: 3px 12px;
            border-radius: 20px;
            background: rgba(200, 16, 46, 0.15);
            color: #f0a0a8;
            border: 1px solid rgba(200, 16, 46, 0.2);
        }
        .event-card .card-tags .tag.tag-gold {
            background: rgba(245, 197, 24, 0.15);
            color: #f5c518;
            border-color: rgba(245, 197, 24, 0.25);
        }
        .event-card .card-tags .tag.tag-blue {
            background: rgba(59, 130, 246, 0.15);
            color: #93b4f5;
            border-color: rgba(59, 130, 246, 0.2);
        }
        .event-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .event-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .event-card .card-meta i {
            margin-right: 4px;
            opacity: 0.7;
        }
        .event-card .card-excerpt {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            flex: 1;
        }
        .event-card .card-footer-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 16px;
        }
        .event-card .card-footer-link:hover {
            gap: 12px;
            color: #fff;
        }

        /* ===== Featured Article (large) ===== */
        .featured-article {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .featured-article:hover {
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
            border-color: rgba(200, 16, 46, 0.2);
        }
        .featured-article .fa-img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
        }
        .featured-article .fa-body {
            padding: 40px 40px 40px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-article .fa-body .fa-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 0.8rem;
            padding: 4px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            width: fit-content;
        }
        .featured-article .fa-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .featured-article .fa-body p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .featured-article .fa-body .fa-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            gap: 20px;
        }
        @media (max-width: 768px) {
            .featured-article {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .featured-article .fa-img {
                min-height: 220px;
            }
            .featured-article .fa-body {
                padding: 28px 24px;
            }
            .featured-article .fa-body h2 {
                font-size: 1.4rem;
            }
        }

        /* ===== Filter / Search Bar ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            padding: 16px 0 32px;
        }
        .filter-bar .filter-btn {
            padding: 8px 20px;
            border-radius: 30px;
            border: 1px solid var(--border-color);
            background: transparent;
            color: var(--text-muted);
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-bar .filter-btn:hover {
            border-color: var(--primary);
            color: #fff;
            background: rgba(200, 16, 46, 0.08);
        }
        .filter-bar .filter-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.25);
        }
        .filter-bar .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 30px;
            padding: 0 6px 0 18px;
            margin-left: auto;
            transition: var(--transition);
        }
        .filter-bar .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.15);
        }
        .filter-bar .search-box input {
            background: none;
            border: none;
            outline: none;
            padding: 10px 0;
            font-size: 0.9rem;
            color: #fff;
            min-width: 180px;
        }
        .filter-bar .search-box input::placeholder {
            color: var(--text-muted);
        }
        .filter-bar .search-box button {
            background: var(--primary);
            border: none;
            color: #fff;
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
        }
        .filter-bar .search-box button:hover {
            background: var(--primary-dark);
        }
        @media (max-width: 640px) {
            .filter-bar .search-box {
                width: 100%;
                margin-left: 0;
            }
            .filter-bar .search-box input {
                flex: 1;
                min-width: 0;
            }
        }

        /* ===== Schedule / Timeline ===== */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .schedule-item:hover {
            border-color: rgba(200, 16, 46, 0.25);
            background: var(--bg-card-hover);
        }
        .schedule-item .s-time {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            min-width: 80px;
        }
        .schedule-item .s-teams {
            flex: 1;
            font-weight: 600;
            font-size: 1rem;
        }
        .schedule-item .s-league {
            font-size: 0.85rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.05);
            padding: 4px 14px;
            border-radius: 20px;
        }
        .schedule-item .s-status {
            font-size: 0.85rem;
            padding: 4px 16px;
            border-radius: 20px;
            background: rgba(200, 16, 46, 0.15);
            color: #f0a0a8;
        }
        .schedule-item .s-status.live {
            background: rgba(245, 197, 24, 0.15);
            color: #f5c518;
        }
        @media (max-width: 640px) {
            .schedule-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }
            .schedule-item .s-time {
                min-width: 60px;
                font-size: 0.95rem;
            }
            .schedule-item .s-teams {
                width: 100%;
                order: 3;
            }
            .schedule-item .s-league {
                font-size: 0.75rem;
                padding: 2px 10px;
            }
            .schedule-item .s-status {
                font-size: 0.75rem;
                padding: 2px 12px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a0a14 0%, #0f0f1a 50%, #0a0a1a 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 80px 20px;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .cta-btn {
            padding: 14px 36px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .cta-btn.primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(200, 16, 46, 0.3);
        }
        .cta-section .cta-btn.primary:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(200, 16, 46, 0.4);
        }
        .cta-section .cta-btn.outline {
            background: transparent;
            color: #fff;
            border: 2px solid var(--border-color);
        }
        .cta-section .cta-btn.outline:hover {
            border-color: var(--primary);
            background: rgba(200, 16, 46, 0.08);
            transform: translateY(-3px);
        }
        @media (max-width: 640px) {
            .cta-section .container {
                padding: 56px 16px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .cta-btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a0a14;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: #fff;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Pagination ===== */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            background: transparent;
        }
        .pagination a:hover {
            border-color: var(--primary);
            color: #fff;
            background: rgba(200, 16, 46, 0.08);
        }
        .pagination .current {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.25);
        }
        .pagination .dots {
            border: none;
            background: none;
            color: var(--text-muted);
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #3a3a5a;
        }

/* roulang page: article */
:root {
            --primary: #b71c1c;
            --primary-dark: #8e0000;
            --primary-light: #e53935;
            --accent: #c99700;
            --accent-light: #f5d742;
            --dark: #1a1a2e;
            --dark-soft: #2d2d44;
            --bg: #f5f5f7;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-soft: #4a4a6a;
            --text-light: #8a8aaa;
            --border: #e8e8ef;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 8px 32px rgba(0,0,0,0.06);
            --shadow-hover: 0 16px 48px rgba(0,0,0,0.12);
            --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        .site-header {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            position: sticky; top: 0; z-index: 100;
            box-shadow: 0 2px 20px rgba(0,0,0,0.04);
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 72px; padding: 0 24px; max-width: 1200px; margin: 0 auto;
        }
        .logo {
            display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800;
            color: var(--dark); letter-spacing: -0.3px;
        }
        .logo .logo-icon {
            width: 40px; height: 40px; background: var(--primary);
            color: #fff; border-radius: var(--radius-xs);
            display: flex; align-items: center; justify-content: center;
            font-weight: 900; font-size: 20px; box-shadow: 0 2px 8px rgba(183,28,28,0.3);
        }
        .logo span { color: var(--primary); font-weight: 900; }
        .nav-list { display: flex; align-items: center; gap: 6px; list-style: none; }
        .nav-list a {
            padding: 8px 18px; border-radius: var(--radius-xs);
            font-size: 15px; font-weight: 500; color: var(--text-soft);
            transition: var(--transition); position: relative;
        }
        .nav-list a:hover { color: var(--primary); background: rgba(183,28,28,0.06); }
        .nav-list a.active { color: #fff; background: var(--primary); box-shadow: 0 4px 14px rgba(183,28,28,0.3); }
        .nav-list a.active:hover { background: var(--primary-dark); color: #fff; }
        .nav-list a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important; padding: 8px 22px; border-radius: 30px;
            box-shadow: 0 4px 16px rgba(183,28,28,0.25); font-weight: 600;
        }
        .nav-list a.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(183,28,28,0.35); }
        .nav-list a.nav-cta i { margin-right: 6px; }
        .nav-toggle { display: none; background: none; border: none; font-size: 26px; color: var(--dark); cursor: pointer; padding: 4px; }
        .mobile-menu { display: none; }
        @media (max-width: 768px) {
            .nav-list { display: none; }
            .nav-toggle { display: block; }
            .mobile-menu {
                display: none; position: absolute; top: 72px; left: 0; right: 0;
                background: rgba(255,255,255,0.98); backdrop-filter: blur(18px);
                border-bottom: 1px solid var(--border); padding: 16px 24px;
                box-shadow: 0 12px 32px rgba(0,0,0,0.08); z-index: 99;
            }
            .mobile-menu.open { display: block; }
            .mobile-menu a {
                display: block; padding: 14px 16px; font-size: 16px; font-weight: 500;
                color: var(--text-soft); border-radius: var(--radius-xs); transition: var(--transition);
            }
            .mobile-menu a:hover { background: rgba(183,28,28,0.06); color: var(--primary); }
            .mobile-menu a.active { background: var(--primary); color: #fff; }
            .mobile-menu a.nav-cta { margin-top: 10px; text-align: center; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; border-radius: 30px; }
        }
        @media (max-width: 520px) {
            .header-inner { height: 64px; padding: 0 16px; }
            .logo { font-size: 18px; }
            .logo .logo-icon { width: 34px; height: 34px; font-size: 16px; }
            .container { padding: 0 16px; }
        }

        /* Article Banner */
        .article-banner {
            position: relative; background: var(--dark); overflow: hidden;
            min-height: 360px; display: flex; align-items: center;
        }
        .article-banner-bg {
            position: absolute; inset: 0; z-index: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.5; transform: scale(1.05);
        }
        .article-banner-overlay {
            position: absolute; inset: 0; z-index: 1;
            background: linear-gradient(135deg, rgba(26,26,46,0.92) 0%, rgba(183,28,28,0.55) 100%);
        }
        .article-banner-content {
            position: relative; z-index: 2; padding: 60px 0; width: 100%;
        }
        .article-banner-content .breadcrumb {
            display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
            color: rgba(255,255,255,0.6); font-size: 14px; margin-bottom: 20px;
        }
        .article-banner-content .breadcrumb a { color: rgba(255,255,255,0.7); }
        .article-banner-content .breadcrumb a:hover { color: #fff; }
        .article-banner-content .breadcrumb .sep { opacity: 0.4; }
        .article-banner-content .category-tag {
            display: inline-block; background: var(--accent); color: var(--dark);
            padding: 4px 16px; border-radius: 30px; font-size: 13px; font-weight: 700;
            letter-spacing: 0.5px; margin-bottom: 16px;
        }
        .article-banner-content h1 {
            font-size: 38px; font-weight: 900; color: #fff; line-height: 1.25;
            max-width: 900px; text-shadow: 0 2px 20px rgba(0,0,0,0.3);
            margin-bottom: 16px;
        }
        .article-banner-content .meta {
            display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
            color: rgba(255,255,255,0.7); font-size: 14px;
        }
        .article-banner-content .meta i { margin-right: 6px; }
        @media (max-width: 768px) {
            .article-banner { min-height: 280px; }
            .article-banner-content h1 { font-size: 26px; }
            .article-banner-content { padding: 40px 0; }
        }
        @media (max-width: 520px) {
            .article-banner { min-height: 220px; }
            .article-banner-content h1 { font-size: 22px; }
            .article-banner-content .meta { gap: 12px; font-size: 13px; }
        }

        /* Article Body */
        .article-body-wrap {
            margin-top: -40px; position: relative; z-index: 3;
            padding-bottom: 60px;
        }
        .article-card {
            background: var(--bg-card); border-radius: var(--radius);
            box-shadow: var(--shadow); padding: 48px;
            max-width: 900px; margin: 0 auto;
        }
        .article-card .content {
            font-size: 17px; line-height: 1.9; color: var(--text);
        }
        .article-card .content p { margin-bottom: 1.5em; }
        .article-card .content h2, .article-card .content h3 {
            margin-top: 2em; margin-bottom: 0.8em; font-weight: 800; color: var(--dark);
        }
        .article-card .content h2 { font-size: 26px; }
        .article-card .content h3 { font-size: 20px; }
        .article-card .content ul, .article-card .content ol { margin-bottom: 1.5em; padding-left: 1.5em; }
        .article-card .content li { margin-bottom: 0.4em; }
        .article-card .content blockquote {
            border-left: 4px solid var(--primary); background: rgba(183,28,28,0.04);
            padding: 16px 24px; margin: 1.5em 0; border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
            font-style: italic; color: var(--text-soft);
        }
        .article-card .content img { margin: 1.5em auto; border-radius: var(--radius-sm); box-shadow: var(--shadow); }
        .article-card .content a { color: var(--primary); font-weight: 600; border-bottom: 1px solid transparent; }
        .article-card .content a:hover { border-bottom-color: var(--primary); }
        .article-card .tags {
            display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; padding-top: 28px;
            border-top: 1px solid var(--border);
        }
        .article-card .tags .tag {
            padding: 5px 16px; background: var(--bg); border-radius: 30px;
            font-size: 13px; color: var(--text-soft); border: 1px solid var(--border);
            transition: var(--transition);
        }
        .article-card .tags .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        .article-card .share-bar {
            display: flex; align-items: center; gap: 12px; margin-top: 28px;
            padding-top: 24px; border-top: 1px solid var(--border);
        }
        .article-card .share-bar span { font-size: 14px; color: var(--text-light); font-weight: 500; }
        .article-card .share-bar a {
            width: 40px; height: 40px; border-radius: 50%; background: var(--bg);
            display: flex; align-items: center; justify-content: center;
            color: var(--text-soft); font-size: 16px; transition: var(--transition);
            border: 1px solid var(--border);
        }
        .article-card .share-bar a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }
        @media (max-width: 768px) {
            .article-card { padding: 28px 20px; }
            .article-card .content { font-size: 16px; }
        }
        @media (max-width: 520px) {
            .article-body-wrap { margin-top: -24px; }
            .article-card { padding: 20px 16px; }
            .article-card .content { font-size: 15px; }
        }

        /* Not Found */
        .not-found-wrap { text-align: center; padding: 80px 20px; }
        .not-found-wrap .icon { font-size: 64px; color: var(--text-light); margin-bottom: 24px; }
        .not-found-wrap h2 { font-size: 28px; color: var(--dark); margin-bottom: 12px; }
        .not-found-wrap p { color: var(--text-soft); margin-bottom: 24px; }
        .not-found-wrap .btn-back {
            display: inline-block; padding: 12px 36px; background: var(--primary);
            color: #fff; border-radius: 30px; font-weight: 600; transition: var(--transition);
            box-shadow: 0 4px 16px rgba(183,28,28,0.25);
        }
        .not-found-wrap .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(183,28,28,0.35); }

        /* Related Section */
        .related-section { padding: 60px 0; }
        .related-section .section-title {
            font-size: 28px; font-weight: 800; color: var(--dark); margin-bottom: 8px;
        }
        .related-section .section-sub { color: var(--text-light); margin-bottom: 36px; }
        .related-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
        }
        .related-card {
            background: var(--bg-card); border-radius: var(--radius);
            overflow: hidden; box-shadow: var(--shadow); transition: var(--transition);
            border: 1px solid var(--border);
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .related-card .card-img {
            height: 180px; background: var(--dark-soft); 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(1.06); }
        .related-card .card-body { padding: 18px 16px 20px; }
        .related-card .card-body .card-cat {
            font-size: 12px; color: var(--primary); font-weight: 700; text-transform: uppercase;
            letter-spacing: 0.5px; margin-bottom: 6px;
        }
        .related-card .card-body h4 { font-size: 16px; font-weight: 700; color: var(--dark); line-height: 1.4; margin-bottom: 8px; }
        .related-card .card-body h4 a { color: var(--dark); }
        .related-card .card-body h4 a:hover { color: var(--primary); }
        .related-card .card-body .card-meta { font-size: 13px; color: var(--text-light); }
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .related-grid { grid-template-columns: 1fr; }
            .related-section .section-title { font-size: 22px; }
        }

        /* Footer */
        .site-footer {
            background: var(--dark); color: rgba(255,255,255,0.75); padding: 60px 0 0;
        }
        .footer-grid {
            display: grid; grid-template-columns: 1.8fr 1fr 1fr 1.2fr; gap: 40px;
            padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo { color: #fff; margin-bottom: 16px; }
        .footer-brand .logo .logo-icon { background: var(--primary); }
        .footer-brand .logo span { color: var(--accent); }
        .footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.55); max-width: 360px; }
        .footer-col h5 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 18px; }
        .footer-col ul { list-style: none; }
        .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); }
        .footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            display: flex; align-items: center; justify-content: space-between;
            padding: 24px 0; flex-wrap: wrap; gap: 16px;
            font-size: 13px; color: rgba(255,255,255,0.4);
        }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.06);
            display: flex; align-items: center; justify-content: center;
            color: rgba(255,255,255,0.5); font-size: 16px; transition: var(--transition);
        }
        .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* Scroll to top */
        .scroll-top {
            position: fixed; bottom: 30px; right: 30px; z-index: 50;
            width: 48px; height: 48px; border-radius: 50%; background: var(--primary);
            color: #fff; border: none; font-size: 20px; cursor: pointer;
            box-shadow: 0 4px 16px rgba(183,28,28,0.3);
            transition: var(--transition); opacity: 0; visibility: hidden;
            display: flex; align-items: center; justify-content: center;
        }
        .scroll-top.visible { opacity: 1; visibility: visible; }
        .scroll-top:hover { background: var(--primary-dark); transform: translateY(-4px); box-shadow: 0 8px 24px rgba(183,28,28,0.4); }