/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #E53935;
            --primary-dark: #C62828;
            --primary-light: #FF6F6F;
            --secondary: #FFB300;
            --secondary-dark: #FF8F00;
            --secondary-light: #FFD54F;
            --accent: #FF6D00;
            --bg-dark: #0B0E1A;
            --bg-card: #151B2B;
            --bg-card-hover: #1E2640;
            --bg-section: #101420;
            --bg-section-alt: #0D1120;
            --text-primary: #FFFFFF;
            --text-secondary: #E0E0E0;
            --text-muted: #9CA3AF;
            --text-accent: #FFB300;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 180, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 16px 48px rgba(229, 57, 53, 0.2);
            --shadow-glow: 0 0 40px rgba(229, 57, 53, 0.15);
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --container-max: 1240px;
            --header-height: 72px;
            --spacing-section: 96px;
            --spacing-section-mobile: 60px;
        }

        /* ===== 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);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(11, 14, 26, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text-primary);
            flex-shrink: 0;
        }

        .header-logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            font-size: 20px;
            color: #fff;
            box-shadow: 0 4px 16px rgba(229, 57, 53, 0.4);
        }

        .header-logo .logo-text {
            background: linear-gradient(135deg, #fff 40%, var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .header-logo .logo-text-short {
            display: none;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }

        .nav-main a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-main a.active {
            color: var(--text-primary);
            background: rgba(229, 57, 53, 0.2);
        }

        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

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

        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: 40px;
            padding: 6px 16px 6px 18px;
            transition: var(--transition);
            width: 200px;
        }

        .header-search:focus-within {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 20px rgba(229, 57, 53, 0.1);
        }

        .header-search input {
            flex: 1;
            background: none;
            color: var(--text-primary);
            font-size: 14px;
            padding: 4px 0;
            min-width: 0;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-search button {
            color: var(--text-muted);
            font-size: 16px;
            padding: 4px;
            transition: var(--transition);
        }

        .header-search button:hover {
            color: var(--primary);
        }

        .header-cta {
            padding: 8px 24px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(229, 57, 53, 0.3);
            white-space: nowrap;
        }

        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(229, 57, 53, 0.45);
        }

        .mobile-toggle {
            display: none;
            font-size: 24px;
            color: var(--text-primary);
            padding: 8px;
            background: none;
            border: none;
        }

        /* ===== Hero Section ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            padding-top: var(--header-height);
            background: var(--bg-dark);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.3;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 14, 26, 0.92) 30%, rgba(11, 14, 26, 0.6) 70%, rgba(11, 14, 26, 0.3) 100%);
        }

        .hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .hero-content {
            max-width: 640px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: rgba(229, 57, 53, 0.15);
            border: 1px solid rgba(229, 57, 53, 0.3);
            border-radius: 40px;
            font-size: 13px;
            font-weight: 500;
            color: var(--secondary-light);
            margin-bottom: 28px;
            animation: fadeInUp 0.6s ease;
        }

        .hero-badge i {
            font-size: 14px;
            color: var(--primary-light);
        }

        .hero-title {
            font-size: 56px;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
            animation: fadeInUp 0.6s ease 0.1s both;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 36px;
            line-height: 1.8;
            animation: fadeInUp 0.6s ease 0.2s both;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            animation: fadeInUp 0.6s ease 0.3s both;
        }

        .btn-primary {
            padding: 14px 36px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition);
            box-shadow: 0 4px 24px rgba(229, 57, 53, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(229, 57, 53, 0.5);
        }

        .btn-secondary {
            padding: 14px 36px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--border-hover);
            transform: translateY(-3px);
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
            animation: fadeInRight 0.8s ease 0.3s both;
        }

        .hero-visual-inner {
            position: relative;
            width: 100%;
            max-width: 520px;
            aspect-ratio: 1/1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: url('/assets/images/coverpic/cover-1.png') center center / cover no-repeat;
            box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5), var(--shadow-glow);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .hero-visual-inner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(229, 57, 53, 0.15), transparent 60%);
        }

        .hero-float-stats {
            position: absolute;
            bottom: 24px;
            left: 24px;
            right: 24px;
            display: flex;
            gap: 16px;
            z-index: 2;
        }

        .hero-stat-item {
            flex: 1;
            background: rgba(11, 14, 26, 0.7);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .hero-stat-item .num {
            font-size: 24px;
            font-weight: 800;
            color: var(--secondary);
            display: block;
        }

        .hero-stat-item .label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ===== Section Base ===== */
        .section {
            padding: var(--spacing-section) 0;
        }

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

        .section-alt-2 {
            background: var(--bg-section-alt);
        }

        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(229, 57, 53, 0.12);
            border-radius: 40px;
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary-light);
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .section-title {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* ===== Features Section ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            text-align: center;
            transition: var(--transition);
        }

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

        .feature-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, rgba(229, 57, 53, 0.15), rgba(255, 107, 0, 0.1));
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 28px;
            color: var(--secondary);
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, rgba(229, 57, 53, 0.25), rgba(255, 107, 0, 0.2));
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        /* ===== Categories Section ===== */
        .categories-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-color);
            transition: var(--transition);
            aspect-ratio: 4/3;
            display: flex;
            align-items: flex-end;
        }

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

        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .category-card:hover img {
            transform: scale(1.06);
        }

        .category-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(11, 14, 26, 0.9) 0%, rgba(11, 14, 26, 0.3) 60%, transparent 100%);
            z-index: 1;
        }

        .category-card .info {
            position: relative;
            z-index: 2;
            padding: 28px 24px 24px;
            width: 100%;
        }

        .category-card .info .cat-tag {
            display: inline-block;
            padding: 3px 12px;
            background: rgba(229, 57, 53, 0.25);
            backdrop-filter: blur(8px);
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary-light);
            margin-bottom: 8px;
        }

        .category-card .info h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .category-card .info p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* ===== Live Status Bar ===== */
        .live-bar {
            background: linear-gradient(90deg, rgba(229, 57, 53, 0.08), rgba(255, 179, 0, 0.05));
            border: 1px solid rgba(229, 57, 53, 0.15);
            border-radius: var(--radius-md);
            padding: 16px 28px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 40px;
            animation: pulse-glow 3s ease-in-out infinite;
        }

        @keyframes pulse-glow {
            0%,
            100% {
                box-shadow: 0 0 20px rgba(229, 57, 53, 0.05);
            }
            50% {
                box-shadow: 0 0 40px rgba(229, 57, 53, 0.15);
            }
        }

        .live-bar .live-dot {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-light);
        }

        .live-bar .live-dot span {
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            animation: live-pulse 1.5s ease-in-out infinite;
        }

        @keyframes live-pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.3);
            }
        }

        .live-bar .live-items {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            flex: 1;
        }

        .live-bar .live-item {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .live-bar .live-item .vs {
            color: var(--text-muted);
            font-size: 12px;
        }

        .live-bar .live-item .team-name {
            font-weight: 600;
        }

        .live-bar .live-item .score {
            color: var(--secondary);
            font-weight: 700;
        }

        /* ===== News / CMS List ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .news-card {
            display: flex;
            flex-direction: column;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 28px 24px;
            transition: var(--transition);
        }

        .news-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .news-card .news-category {
            padding: 3px 14px;
            background: rgba(229, 57, 53, 0.12);
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary-light);
        }

        .news-card .news-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .news-card .news-footer {
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .news-card .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-card .read-more i {
            transition: var(--transition);
            font-size: 12px;
        }

        .news-card:hover .read-more i {
            transform: translateX(4px);
        }

        .empty-text {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }

        /* ===== Stats Section ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 36px 24px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .stat-card .stat-icon {
            font-size: 32px;
            color: var(--secondary);
            margin-bottom: 12px;
        }

        .stat-card .stat-number {
            font-size: 40px;
            font-weight: 900;
            background: linear-gradient(135deg, #fff, var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .stat-card .stat-label {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 6px;
        }

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

        .process-grid::before {
            content: '';
            position: absolute;
            top: 44px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary));
            opacity: 0.2;
        }

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

        .process-step .step-num {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 8px 24px rgba(229, 57, 53, 0.3);
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 240px;
            margin: 0 auto;
        }

        /* ===== FAQ Section ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-hover);
        }

        .faq-question {
            padding: 20px 28px;
            font-size: 17px;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            transition: var(--transition);
        }

        .faq-question i {
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 14px;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 28px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 28px 24px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(229, 57, 53, 0.06), rgba(255, 107, 0, 0.03));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .cta-box {
            text-align: center;
            padding: 20px 0;
        }

        .cta-box h2 {
            font-size: 38px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-box p {
            font-size: 17px;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-box .btn-primary {
            font-size: 18px;
            padding: 16px 44px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-section-alt);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }

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

        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand .footer-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a:hover {
            color: var(--secondary);
            transform: translateX(4px);
        }

        .footer-col ul li a i {
            font-size: 12px;
            color: var(--text-muted);
        }

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

        .footer-bottom a {
            color: var(--text-muted);
        }

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

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .footer-social a:hover {
            background: rgba(229, 57, 53, 0.2);
            color: var(--secondary);
            border-color: var(--border-hover);
            transform: translateY(-3px);
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeInRight {
            from {
                opacity: 0;
                transform: translateX(40px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 42px;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
            .hero-content {
                max-width: 100%;
            }
            .hero-desc {
                max-width: 100%;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-visual {
                max-width: 460px;
                margin: 0 auto;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .categories-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .header-search {
                width: 140px;
            }
            .section-title {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
                --spacing-section: 60px;
            }
            .nav-main {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(11, 14, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-color);
            }
            .nav-main.open {
                display: flex;
            }
            .nav-main a {
                padding: 14px 18px;
                font-size: 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-main a.active::after {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-search {
                display: none;
            }
            .header-cta {
                padding: 6px 18px;
                font-size: 13px;
            }
            .header-logo .logo-text {
                display: none;
            }
            .header-logo .logo-text-short {
                display: inline;
                font-size: 20px;
                font-weight: 800;
                background: linear-gradient(135deg, #fff 40%, var(--secondary-light));
                -webkit-background-clip: text;
                -webkit-text-fill-color: transparent;
                background-clip: text;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .hero .container {
                padding-top: 20px;
                padding-bottom: 20px;
                gap: 30px;
            }
            .hero-visual-inner {
                aspect-ratio: 4/3;
            }
            .hero-float-stats {
                flex-wrap: wrap;
            }
            .hero-stat-item .num {
                font-size: 20px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .categories-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .process-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 16px;
            }
            .process-step p {
                max-width: 100%;
            }
            .section-title {
                font-size: 26px;
            }
            .section-desc {
                font-size: 15px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-box h2 {
                font-size: 28px;
            }
            .cta-box .btn-primary {
                font-size: 16px;
                padding: 14px 32px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 20px;
            }
            .faq-answer {
                font-size: 14px;
                padding: 0 20px;
            }
            .faq-item.active .faq-answer {
                padding: 0 20px 18px;
            }
            .live-bar {
                padding: 12px 18px;
                gap: 12px;
                flex-direction: column;
                align-items: flex-start;
            }
            .live-bar .live-items {
                gap: 12px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 12px 24px;
                font-size: 15px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 24px 16px;
            }
            .stat-card .stat-number {
                font-size: 30px;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .news-card {
                padding: 20px;
            }
            .news-card h3 {
                font-size: 17px;
            }
            .category-card .info h3 {
                font-size: 17px;
            }
            .feature-card {
                padding: 28px 20px;
            }
            .header-logo .logo-text-short {
                font-size: 17px;
            }
            .header-cta {
                padding: 5px 14px;
                font-size: 12px;
            }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #f0b90b;
            --primary-dark: #d4a309;
            --primary-light: #fcd34d;
            --secondary: #1a1a2e;
            --secondary-light: #2d2d4a;
            --accent: #ff6b35;
            --accent-glow: rgba(255, 107, 53, 0.3);
            --bg-dark: #0b0b14;
            --bg-card: #13132a;
            --bg-card-hover: #1c1c3a;
            --bg-section: #0f0f20;
            --text-main: #f0f0f5;
            --text-secondary: #b0b0c8;
            --text-muted: #6e6e8a;
            --border-color: rgba(240, 185, 11, 0.15);
            --border-glow: rgba(240, 185, 11, 0.3);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(240, 185, 11, 0.05);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(240, 185, 11, 0.15);
            --shadow-glow: 0 0 40px rgba(240, 185, 11, 0.08);
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --header-h: 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-main);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-dark);
            overflow-x: hidden;
        }

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

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

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

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }

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

        ul {
            list-style: none;
        }

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

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(11, 11, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(11, 11, 20, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .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: 1.35rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            color: #0b0b14;
            font-size: 1.1rem;
            box-shadow: 0 0 20px rgba(240, 185, 11, 0.25);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-main a {
            padding: 8px 18px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: var(--transition);
        }

        .nav-main a:hover {
            color: var(--text-main);
            background: rgba(240, 185, 11, 0.08);
        }

        .nav-main a.active {
            color: var(--primary);
            background: rgba(240, 185, 11, 0.12);
            box-shadow: 0 0 20px rgba(240, 185, 11, 0.06);
        }

        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            box-shadow: 0 0 10px var(--primary);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 12px;
        }

        .nav-cta .btn-search {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .nav-cta .btn-search:hover {
            background: rgba(240, 185, 11, 0.1);
            color: var(--primary);
            border-color: var(--border-glow);
        }

        .nav-cta .btn-primary-sm {
            padding: 8px 20px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #0b0b14;
            font-weight: 700;
            font-size: 0.85rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
        }

        .nav-cta .btn-primary-sm:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(240, 185, 11, 0.3);
        }

        /* Mobile toggle */
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px;
            background: transparent;
            border: none;
        }

        .mobile-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: var(--transition);
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Page Hero / Banner ===== */
        .page-hero {
            padding: 120px 0 80px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--secondary) 50%, var(--bg-dark) 100%);
            position: relative;
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-dark), transparent);
            z-index: 1;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: rgba(240, 185, 11, 0.12);
            border: 1px solid rgba(240, 185, 11, 0.2);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--primary);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .hero-badge i {
            font-size: 0.75rem;
        }

        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -1px;
            color: var(--text-main);
            max-width: 720px;
            margin-bottom: 18px;
        }

        .page-hero h1 span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .hero-stat .label {
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        /* ===== Section General ===== */
        .section {
            padding: 80px 0;
            position: relative;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-header h2 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .section-header h2 i {
            color: var(--primary);
            margin-right: 8px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin: 14px auto 0;
        }

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

        .cat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
            position: relative;
        }

        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(240, 185, 11, 0.25);
        }

        .cat-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .cat-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .cat-card .card-img .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, var(--bg-card), transparent);
        }

        .cat-card .card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 4px 14px;
            background: rgba(240, 185, 11, 0.9);
            color: #0b0b14;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }

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

        .cat-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .cat-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .cat-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .cat-card .card-meta i {
            margin-right: 4px;
        }

        .cat-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 6px;
            transition: var(--transition);
        }

        .cat-card .card-link i {
            font-size: 0.75rem;
            transition: var(--transition);
        }

        .cat-card .card-link:hover i {
            transform: translateX(4px);
        }

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

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

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(240, 185, 11, 0.2);
        }

        .step-card .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #0b0b14;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 0 30px rgba(240, 185, 11, 0.2);
        }

        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

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

        /* ===== 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-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(240, 185, 11, 0.15);
        }

        .faq-item .faq-q {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-main);
            font-size: 0.98rem;
            transition: var(--transition);
            user-select: none;
        }

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

        .faq-item .faq-q i {
            color: var(--primary);
            font-size: 0.8rem;
            transition: var(--transition);
        }

        .faq-item.active .faq-q i {
            transform: rotate(180deg);
        }

        .faq-item .faq-a {
            padding: 0 24px 0;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-a {
            padding: 0 24px 20px;
            max-height: 300px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-dark) 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;
            z-index: 0;
        }

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

        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

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

        .btn-primary {
            padding: 14px 36px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #0b0b14;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(240, 185, 11, 0.3);
            color: #0b0b14;
        }

        .btn-secondary {
            padding: 14px 36px;
            border-radius: 12px;
            background: transparent;
            color: var(--text-main);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(240, 185, 11, 0.06);
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary);
            padding: 60px 0 0;
            border-top: 1px solid var(--border-color);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .footer-brand .footer-logo .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 1rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

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

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

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

        .footer-col ul li a i {
            font-size: 0.65rem;
            color: var(--primary);
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

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

        .footer-social {
            display: flex;
            gap: 14px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .footer-social a:hover {
            background: rgba(240, 185, 11, 0.12);
            color: var(--primary);
            border-color: var(--border-glow);
            transform: translateY(-2px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .page-hero h1 {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: flex;
            }

            .nav-main {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(11, 11, 20, 0.98);
                backdrop-filter: blur(16px);
                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);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
            }

            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }

            .nav-main a {
                width: 100%;
                padding: 12px 18px;
                font-size: 1rem;
            }

            .nav-cta {
                display: none;
            }

            .page-hero {
                padding: 100px 0 60px;
                min-height: 300px;
            }

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

            .page-hero p {
                font-size: 0.98rem;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat .num {
                font-size: 1.4rem;
            }

            .section {
                padding: 56px 0;
            }

            .section-header h2 {
                font-size: 1.8rem;
            }

            .cat-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .cta-section h2 {
                font-size: 1.8rem;
            }

            .cta-buttons .btn-primary,
            .cta-buttons .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }

            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }

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

            .section-header h2 {
                font-size: 1.5rem;
            }

            .container {
                padding: 0 16px;
            }

            .header-inner {
                padding: 0 16px;
            }

            .logo {
                font-size: 1.1rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }

            .cat-card .card-body {
                padding: 16px 18px 20px;
            }

            .faq-item .faq-q {
                padding: 14px 16px;
                font-size: 0.9rem;
            }

            .faq-item .faq-a {
                font-size: 0.85rem;
            }

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

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .anim-fade-up {
            animation: fadeInUp 0.7s ease forwards;
        }

        .anim-delay-1 {
            animation-delay: 0.1s;
        }
        .anim-delay-2 {
            animation-delay: 0.2s;
        }
        .anim-delay-3 {
            animation-delay: 0.3s;
        }
        .anim-delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #d97706;
            --primary-light: #f59e0b;
            --primary-dark: #b45309;
            --secondary: #ef4444;
            --accent: #f97316;
            --bg-dark: #0b0f1a;
            --bg-dark-2: #111827;
            --bg-card: #1a2236;
            --bg-card-hover: #1f2a40;
            --bg-body: #f8fafc;
            --bg-section: #ffffff;
            --text-light: #f1f5f9;
            --text-muted: #94a3b8;
            --text-dark: #1e293b;
            --text-body: #334155;
            --border-color: #e2e8f0;
            --border-glow: rgba(217, 119, 6, 0.25);
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.18);
            --shadow-glow: 0 0 30px rgba(217, 119, 6, 0.15);
            --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-body);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul {
            list-style: none;
        }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(11, 15, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(217, 119, 6, 0.15);
            height: var(--header-h);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(11, 15, 26, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .nav-main a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
            transition: transform var(--transition);
        }
        .nav-main a:hover {
            color: var(--text-light);
            background: rgba(217, 119, 6, 0.08);
        }
        .nav-main a:hover::after {
            transform: translateX(-50%) scaleX(1);
        }
        .nav-main a.active {
            color: var(--primary-light);
            background: rgba(217, 119, 6, 0.1);
        }
        .nav-main a.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 12px;
        }
        .nav-cta .search-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1rem;
            transition: all var(--transition);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .nav-cta .search-btn:hover {
            color: var(--primary-light);
            background: rgba(217, 119, 6, 0.12);
            border-color: rgba(217, 119, 6, 0.25);
        }
        .nav-cta .btn-glow {
            padding: 8px 22px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition);
            box-shadow: 0 4px 18px rgba(217, 119, 6, 0.3);
            border: none;
        }
        .nav-cta .btn-glow:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 30px rgba(217, 119, 6, 0.4);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            cursor: pointer;
            background: none;
            border: none;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-light);
            border-radius: 3px;
            transition: all var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            padding-top: var(--header-h);
            min-height: 420px;
            display: flex;
            align-items: center;
            position: relative;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .article-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            transform: scale(1.05);
            filter: saturate(0.7);
        }
        .article-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 26, 0.92) 0%, rgba(11, 15, 26, 0.65) 50%, rgba(217, 119, 6, 0.12) 100%);
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
            padding-top: 40px;
            padding-bottom: 60px;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .article-breadcrumb a:hover {
            color: var(--primary-light);
        }
        .article-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.2);
        }
        .article-breadcrumb .current {
            color: var(--primary-light);
        }
        .article-category-badge {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, rgba(217, 119, 6, 0.2), rgba(239, 68, 68, 0.15));
            color: var(--primary-light);
            border: 1px solid rgba(217, 119, 6, 0.2);
            margin-bottom: 16px;
        }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.2;
            max-width: 900px;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 20px;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i {
            color: var(--primary-light);
            font-size: 0.85rem;
        }
        .article-meta .meta-divider {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
        }

        /* ===== Article Main ===== */
        .article-main {
            padding: 60px 0 80px;
            background: var(--bg-body);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-content {
            background: var(--bg-section);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            padding: 48px 52px;
            border: 1px solid var(--border-color);
        }
        .article-content .featured-image {
            margin-bottom: 32px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .article-content .featured-image img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-body);
        }
        .article-body p {
            margin-bottom: 1.4em;
        }
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
        }
        .article-body h2 {
            font-size: 1.6rem;
        }
        .article-body h3 {
            font-size: 1.3rem;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.4em;
            padding-left: 1.6em;
        }
        .article-body li {
            margin-bottom: 0.4em;
        }
        .article-body ul li {
            list-style: disc;
        }
        .article-body ol li {
            list-style: decimal;
        }
        .article-body a {
            color: var(--primary-dark);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--primary);
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(217, 119, 6, 0.05);
            padding: 16px 24px;
            margin: 1.4em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-dark);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-sm);
            margin: 1.2em 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        .article-body .aligncenter {
            display: block;
            margin-left: auto;
            margin-right: auto;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags .tag {
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            background: rgba(217, 119, 6, 0.07);
            color: var(--primary-dark);
            border: 1px solid rgba(217, 119, 6, 0.12);
            transition: all var(--transition);
        }
        .article-tags .tag:hover {
            background: rgba(217, 119, 6, 0.15);
            border-color: rgba(217, 119, 6, 0.25);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .article-share span {
            font-size: 0.88rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .article-share .share-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            color: var(--text-muted);
            background: rgba(0, 0, 0, 0.03);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .article-share .share-btn:hover {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .article-share .share-btn.weibo:hover {
            background: #e6162d;
            border-color: #e6162d;
        }
        .article-share .share-btn.wechat:hover {
            background: #07c160;
            border-color: #07c160;
        }
        .article-share .share-btn.qq:hover {
            background: #12b7f5;
            border-color: #12b7f5;
        }
        .article-share .share-btn.copy:hover {
            background: var(--bg-dark-2);
            border-color: var(--bg-dark-2);
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-section);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
        }
        .sidebar-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card .card-title i {
            color: var(--primary);
            font-size: 1rem;
        }
        .sidebar-card .card-title::after {
            content: '';
            flex: 1;
            height: 1px;
            background: linear-gradient(90deg, var(--border-color), transparent);
        }
        .sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .sidebar-list li a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            color: var(--text-body);
        }
        .sidebar-list li a:hover {
            background: rgba(217, 119, 6, 0.04);
            color: var(--primary-dark);
            transform: translateX(4px);
        }
        .sidebar-list li a .num {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            background: rgba(217, 119, 6, 0.08);
            color: var(--primary);
        }
        .sidebar-list li a .num.top {
            background: var(--primary);
            color: #fff;
        }
        .sidebar-list li a .text {
            flex: 1;
            font-size: 0.9rem;
            line-height: 1.4;
        }
        .sidebar-list li a .text small {
            display: block;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--bg-dark), var(--bg-dark-2));
            border: 1px solid rgba(217, 119, 6, 0.15);
            padding: 32px 24px;
            text-align: center;
        }
        .sidebar-cta h4 {
            color: var(--text-light);
            font-size: 1.15rem;
            margin-bottom: 8px;
        }
        .sidebar-cta p {
            color: var(--text-muted);
            font-size: 0.88rem;
            margin-bottom: 18px;
        }
        .sidebar-cta .btn-sidebar {
            display: inline-block;
            padding: 10px 30px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            box-shadow: 0 4px 18px rgba(217, 119, 6, 0.25);
        }
        .sidebar-cta .btn-sidebar:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(217, 119, 6, 0.35);
            color: #fff;
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 60px 0 80px;
            background: var(--bg-dark);
            position: relative;
        }
        .related-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(217, 119, 6, 0.2), transparent);
        }
        .related-section .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .related-section .section-sub {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 36px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: all var(--transition);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(217, 119, 6, 0.12);
            background: var(--bg-card-hover);
        }
        .related-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .related-card:hover .card-img img {
            transform: scale(1.06);
        }
        .related-card .card-img .card-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 3px 12px;
            border-radius: 16px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(217, 119, 6, 0.85);
            color: #fff;
            backdrop-filter: blur(4px);
        }
        .related-card .card-body {
            padding: 20px 20px 24px;
        }
        .related-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-light);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body h3 a {
            color: var(--text-light);
            transition: color var(--transition);
        }
        .related-card .card-body h3 a:hover {
            color: var(--primary-light);
        }
        .related-card .card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card .card-body .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.3);
        }
        .related-card .card-body .meta i {
            margin-right: 4px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, var(--bg-dark-2), #0f172a);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(217, 119, 6, 0.08), transparent 70%);
            pointer-events: none;
        }
        .cta-section .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-section .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .btn-primary {
            padding: 14px 38px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(217, 119, 6, 0.3);
            border: none;
        }
        .cta-section .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(217, 119, 6, 0.4);
            color: #fff;
        }
        .cta-section .btn-outline {
            padding: 13px 36px;
            border-radius: 30px;
            background: transparent;
            color: var(--text-light);
            font-weight: 600;
            font-size: 1rem;
            border: 1.5px solid rgba(255, 255, 255, 0.15);
            transition: all var(--transition);
        }
        .cta-section .btn-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(217, 119, 6, 0.06);
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #070a12;
            color: var(--text-muted);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(217, 119, 6, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .footer-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 8px;
            font-size: 1rem;
            color: #fff;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.6;
            color: var(--text-muted);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a i {
            font-size: 0.65rem;
            color: rgba(255, 255, 255, 0.15);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer-col ul li a:hover i {
            color: var(--primary-light);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 0.82rem;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-section);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
        }
        .not-found-box .icon {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .not-found-box .back-home {
            display: inline-block;
            padding: 12px 32px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-weight: 600;
            transition: all var(--transition);
        }
        .not-found-box .back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(217, 119, 6, 0.3);
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            .nav-main {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(11, 15, 26, 0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.4s ease;
                border-bottom: 1px solid rgba(217, 119, 6, 0.1);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
                pointer-events: none;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-main a {
                padding: 12px 16px;
                font-size: 1rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-main a::after {
                display: none;
            }
            .nav-cta .btn-glow {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
            .nav-cta .search-btn {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
            .nav-toggle {
                display: flex;
            }
            .article-hero {
                min-height: 300px;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-hero .container {
                padding-top: 24px;
                padding-bottom: 36px;
            }
            .article-content {
                padding: 24px 20px;
            }
            .article-body {
                font-size: 0.98rem;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.82rem;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-section .section-title {
                font-size: 1.4rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-primary,
            .cta-section .btn-outline {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .article-share {
                flex-wrap: wrap;
            }
            .not-found-box {
                padding: 48px 20px;
            }
            .not-found-box h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-hero h1 {
                font-size: 1.3rem;
            }
            .article-content {
                padding: 16px 14px;
            }
            .article-body {
                font-size: 0.92rem;
            }
            .logo {
                font-size: 1.05rem;
            }
            .logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.95rem;
            }
            .nav-cta .btn-glow {
                display: none;
            }
            .related-card .card-img {
                height: 160px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .cta-section .cta-buttons {
                flex-direction: column;
                gap: 12px;
            }
            .cta-section .btn-primary,
            .cta-section .btn-outline {
                width: 100%;
                max-width: 240px;
            }
        }