/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #a5b4fc;
            --accent: #f97316;
            --accent-dark: #ea580c;
            --bg-body: #f8fafc;
            --bg-white: #ffffff;
            --bg-dark: #0f172a;
            --bg-card: #ffffff;
            --text-primary: #1e293b;
            --text-secondary: #64748b;
            --text-light: #94a3b8;
            --text-white: #ffffff;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow: 0 4px 24px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 48px rgba(0,0,0,0.10);
            --shadow-glow: 0 0 40px rgba(99,102,241,0.15);
            --spacing: 24px;
            --spacing-lg: 48px;
            --spacing-xl: 80px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --glass-bg: rgba(255,255,255,0.72);
            --glass-border: rgba(255,255,255,0.25);
            --glass-shadow: 0 8px 32px rgba(0,0,0,0.06);
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
        }
        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; }
        button { cursor: pointer; border: none; background: none; }
        ul, ol { list-style: none; }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== 玻璃导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 12px 0;
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid var(--glass-border);
            box-shadow: var(--glass-shadow);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255,255,255,0.95);
            box-shadow: 0 4px 24px rgba(0,0,0,0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav-list a:hover,
        .nav-list a:focus-visible {
            color: var(--primary);
            background: rgba(99,102,241,0.08);
        }
        .nav-list a.active {
            color: var(--primary);
            background: rgba(99,102,241,0.12);
            font-weight: 600;
        }
        .nav-cta {
            padding: 8px 24px !important;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
            color: var(--text-white) !important;
            border-radius: 40px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 16px rgba(99,102,241,0.30);
        }
        .nav-cta:hover {
            transform: translateY(-2px) !important;
            box-shadow: 0 8px 28px rgba(99,102,241,0.40) !important;
            background: linear-gradient(135deg, var(--primary-dark), #4338ca) !important;
        }
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 4px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .mobile-toggle span {
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: var(--transition);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            padding-top: 80px;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,42,0.75) 0%, rgba(30,27,75,0.60) 50%, rgba(99,102,241,0.30) 100%);
            z-index: 1;
        }
        .hero-overlay-glow {
            position: absolute;
            top: -30%;
            right: -20%;
            width: 80%;
            height: 80%;
            background: radial-gradient(circle, rgba(99,102,241,0.20) 0%, transparent 70%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            padding: 40px 20px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.20);
            border-radius: 40px;
            color: var(--text-white);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: clamp(40px, 7vw, 76px);
            font-weight: 900;
            line-height: 1.1;
            color: var(--text-white);
            margin-bottom: 20px;
            letter-spacing: -1px;
            text-shadow: 0 2px 30px rgba(0,0,0,0.20);
        }
        .hero h1 span {
            background: linear-gradient(135deg, var(--primary-light), #fbbf24);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: clamp(18px, 2vw, 24px);
            color: rgba(255,255,255,0.85);
            line-height: 1.6;
            max-width: 640px;
            margin: 0 auto 36px;
            text-shadow: 0 1px 12px rgba(0,0,0,0.15);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 17px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            text-align: center;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--text-white);
            box-shadow: 0 6px 28px rgba(99,102,241,0.35);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(99,102,241,0.45);
        }
        .btn-secondary {
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.25);
            color: var(--text-white);
        }
        .btn-secondary:hover {
            background: rgba(255,255,255,0.22);
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: center;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.12);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 14px;
            color: rgba(255,255,255,0.65);
            margin-top: 2px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto var(--spacing-lg);
        }
        .section-header h2 {
            font-size: clamp(30px, 4vw, 42px);
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-header p {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .section-header .subtitle-tag {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(99,102,241,0.08);
            border-radius: 40px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .section-bg-alt {
            background: var(--bg-white);
        }
        .section-bg-gradient {
            background: linear-gradient(180deg, var(--bg-body) 0%, #eef2ff 100%);
        }

        /* ===== 核心优势 ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .advantage-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            text-align: center;
        }
        .advantage-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .advantage-icon {
            width: 64px;
            height: 64px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 30px;
            background: rgba(99,102,241,0.08);
            color: var(--primary);
        }
        .advantage-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .advantage-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }
        .category-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .category-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-card:hover img {
            transform: scale(1.04);
        }
        .category-body {
            padding: 20px 24px 24px;
        }
        .category-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .category-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .category-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(99,102,241,0.08);
            border-radius: 40px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
        }

        /* ===== 平台特色 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            align-items: center;
        }
        .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .feature-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }
        .feature-text h2 {
            font-size: clamp(28px, 3.5vw, 38px);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .feature-text p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feature-list-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--text-primary);
        }
        .feature-list-item .check {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(99,102,241,0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
        }

        /* ===== 最新资讯（CMS列表） ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 28px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .news-body {
            padding: 18px 22px 22px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-category {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(99,102,241,0.08);
            padding: 2px 12px;
            border-radius: 40px;
            display: inline-block;
            align-self: flex-start;
        }
        .news-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-light);
            margin-top: 6px;
        }
        .news-empty {
            text-align: center;
            padding: 48px 24px;
            color: var(--text-secondary);
            font-size: 16px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .stat-number {
            font-size: 40px;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 8px;
            font-weight: 500;
        }

        /* ===== 操作流程 ===== */
        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--text-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            margin: 0 auto 16px;
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            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);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            width: 100%;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            gap: 16px;
        }
        .faq-question::after {
            content: '+';
            font-size: 22px;
            font-weight: 300;
            color: var(--text-light);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question::after {
            content: '−';
            transform: rotate(0deg);
            color: var(--primary);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1e1b4b 100%);
            padding: var(--spacing-xl) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 70%;
            height: 200%;
            background: radial-gradient(circle, rgba(99,102,241,0.15) 0%, transparent 70%);
        }
        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(30px, 4vw, 42px);
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 18px;
            color: rgba(255,255,255,0.70);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-content .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            box-shadow: 0 6px 28px rgba(249,115,22,0.35);
        }
        .cta-content .btn-primary:hover {
            box-shadow: 0 12px 40px rgba(249,115,22,0.45);
            transform: translateY(-3px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            padding: 48px 0 32px;
            color: rgba(255,255,255,0.70);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            font-size: 24px;
            margin-bottom: 12px;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
            color: rgba(255,255,255,0.55);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255,255,255,0.55);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--text-white);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(255,255,255,0.40);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.40);
        }
        .footer-bottom a:hover {
            color: var(--text-white);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .grid-4, .stats-grid, .steps { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .feature-grid { grid-template-columns: 1fr; }
            .feature-image img { height: 280px; }
        }
        @media (max-width: 768px) {
            .mobile-toggle { display: flex; }
            .nav-list {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 16px;
            }
            .nav-cta {
                margin-top: 8px;
                text-align: center;
            }
            .hero h1 { font-size: clamp(32px, 8vw, 48px); }
            .hero p { font-size: 16px; }
            .hero-stats { gap: 20px; }
            .hero-stat-number { font-size: 26px; }
            .grid-3 { grid-template-columns: 1fr; }
            .grid-2 { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .steps { grid-template-columns: 1fr 1fr; }
            .section { padding: 48px 0; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .news-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .steps { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .hero-actions { flex-direction: column; width: 100%; }
            .hero-actions .btn { width: 100%; }
            .hero h1 { font-size: 28px; }
            .section-header h2 { font-size: 26px; }
            .logo { font-size: 18px; }
        }

        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mt-2 { margin-top: 8px; }
        .mt-4 { margin-top: 16px; }
        .mb-4 { margin-bottom: 16px; }
        .gap-2 { gap: 8px; }
        .gap-4 { gap: 16px; }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: var(--bg-body); }
        ::-webkit-scrollbar-thumb { background: var(--text-light); border-radius: 10px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

        /* ===== 焦点 ===== */
        :focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }

        /* ===== 选择文本 ===== */
        ::selection { background: var(--primary); color: var(--text-white); }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c3aff;
            --primary-dark: #5428cc;
            --primary-light: #8f66ff;
            --secondary: #ff6b35;
            --secondary-light: #ff9466;
            --accent: #00d4aa;
            --bg-light: #f8f7fc;
            --bg-white: #ffffff;
            --bg-dark: #1a0e2e;
            --text-dark: #1a0e2e;
            --text-main: #2d2b3a;
            --text-muted: #6e6a7e;
            --text-light: #ffffff;
            --border: #e8e5f0;
            --radius: 16px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(108, 58, 255, 0.08);
            --shadow: 0 8px 32px rgba(108, 58, 255, 0.12);
            --shadow-lg: 0 20px 60px rgba(108, 58, 255, 0.18);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: var(--font);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-light);
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Glass Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px) saturate(1.4);
            -webkit-backdrop-filter: blur(18px) saturate(1.4);
            border-bottom: 1px solid rgba(108, 58, 255, 0.10);
            box-shadow: 0 4px 24px rgba(108, 58, 255, 0.06);
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .logo i {
            font-size: 1.1rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo:hover {
            opacity: 0.85;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-list a {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-list a:hover {
            color: var(--primary);
            background: rgba(108, 58, 255, 0.08);
        }

        .nav-list a.active {
            color: var(--text-light);
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(108, 58, 255, 0.30);
        }

        .nav-list a.active:hover {
            background: var(--primary-dark);
            color: var(--text-light);
        }

        .nav-cta {
            background: linear-gradient(135deg, var(--secondary), #e85a2a) !important;
            color: var(--text-light) !important;
            padding: 8px 24px !important;
            border-radius: 50px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
            transition: var(--transition);
        }

        .nav-cta:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 28px rgba(255, 107, 53, 0.45) !important;
            background: linear-gradient(135deg, #e85a2a, #d94d1a) !important;
            color: var(--text-light) !important;
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: none;
        }

        .hamburger span {
            width: 28px;
            height: 3px;
            background: var(--text-dark);
            border-radius: 6px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            margin-top: var(--nav-height);
            padding: 80px 0 72px;
            background: linear-gradient(135deg, rgba(108, 58, 255, 0.06), rgba(255, 107, 53, 0.06));
            position: relative;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
            opacity: 0.20;
            z-index: 0;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-dark);
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .page-hero h1 span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero p {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 28px;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px 20px;
        }

        .hero-badges .badge {
            background: var(--bg-white);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-badges .badge i {
            color: var(--primary);
        }

        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--text-dark);
            text-align: center;
            margin-bottom: 12px;
        }

        .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            text-align: center;
            max-width: 600px;
            margin: 0 auto 48px;
        }

        .section-title-left {
            text-align: left;
        }

        .section-sub-left {
            text-align: left;
            margin: 0 0 36px;
        }

        /* ===== Guide Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 36px 24px 32px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }

        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: var(--primary-light);
        }

        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--text-light);
            font-size: 1.4rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 6px 20px rgba(108, 58, 255, 0.25);
        }

        .step-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Content Cards ===== */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .content-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }

        .content-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }

        .content-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card .card-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(108, 58, 255, 0.10);
            color: var(--primary);
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .content-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .content-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .content-card .card-link {
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
        }
        .content-card .card-link i {
            font-size: 0.75rem;
            transition: var(--transition);
        }
        .content-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

        .faq-question i {
            color: var(--primary);
            transition: var(--transition);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }

        .faq-answer.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark), #2d1a4e);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            background: transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--secondary), #e85a2a);
            color: var(--text-light);
            box-shadow: 0 6px 24px rgba(255, 107, 53, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(255, 107, 53, 0.50);
            color: var(--text-light);
        }

        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.30);
            color: var(--text-light);
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(255, 255, 255, 0.60);
            color: var(--text-light);
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.65);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            font-size: 1.5rem;
            margin-bottom: 12px;
            display: inline-block;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--text-light);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.40);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--text-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .page-hero h1 {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }

            .nav-list {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                transform: translateY(-110%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
                border-radius: 0 0 var(--radius) var(--radius);
            }

            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }

            .nav-list a {
                width: 100%;
                padding: 12px 18px;
                border-radius: var(--radius-sm);
            }

            .nav-list a.active {
                background: var(--primary);
                color: var(--text-light);
            }

            .nav-cta {
                margin-top: 8px;
                text-align: center;
                justify-content: center;
            }

            .page-hero {
                padding: 60px 0 56px;
                min-height: auto;
            }
            .page-hero h1 {
                font-size: 1.9rem;
            }
            .page-hero p {
                font-size: 1rem;
            }

            .section {
                padding: 52px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-sub {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .content-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .hero-badges .badge {
                font-size: 0.8rem;
                padding: 6px 14px;
            }
            .step-card {
                padding: 28px 18px 24px;
            }
            .content-card .card-body {
                padding: 18px 18px 20px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
  --primary: #2D2D8A;
  --primary-light: #4A4AB8;
  --primary-dark: #1E1E6A;
  --accent: #F5A623;
  --accent-light: #FFC64A;
  --accent-dark: #D4891A;
  --bg: #F8F9FA;
  --bg-alt: #EEF0F5;
  --text: #1A1A2E;
  --text-light: #6B7280;
  --text-white: #FFFFFF;
  --border: #E2E5ED;
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(45, 45, 138, 0.08);
  --shadow-lg: 0 12px 48px rgba(45, 45, 138, 0.14);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.06);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.3);
  --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --container: 1200px;
  --nav-height: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .container { padding: 0 16px; } }

/* ========== HEADER / NAV ========== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height);
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-glass);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(255,255,255,0.96);
  box-shadow: 0 4px 24px rgba(0,0,0,0.05);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-height); max-width: var(--container); margin: 0 auto; padding: 0 24px;
}
.logo { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; display: flex; align-items: center; gap: 8px; }
.logo:hover { color: var(--primary-dark); }
.logo i { font-size: 20px; color: var(--accent); }
.nav-list { display: flex; align-items: center; gap: 8px; }
.nav-list a {
  padding: 8px 18px; border-radius: 40px; font-size: 15px; font-weight: 500;
  color: var(--text); transition: var(--transition); position: relative;
}
.nav-list a:hover { background: rgba(45,45,138,0.06); color: var(--primary); }
.nav-list a.active { background: var(--primary); color: var(--text-white); box-shadow: 0 4px 16px rgba(45,45,138,0.25); }
.nav-list a.nav-cta {
  background: var(--accent); color: var(--text-white); font-weight: 600;
  padding: 10px 24px; box-shadow: 0 4px 20px rgba(245,166,35,0.35);
}
.nav-list a.nav-cta:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(245,166,35,0.45); }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; color: var(--primary); cursor: pointer; padding: 8px; border-radius: 8px; }
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-list { position: fixed; top: var(--nav-height); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 16px 24px 24px; gap: 6px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); transform: translateY(-120%); opacity: 0; pointer-events: none; transition: var(--transition); border-radius: 0 0 var(--radius) var(--radius); }
  .nav-list.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-list a { width: 100%; text-align: center; padding: 12px 18px; }
  .nav-list a.nav-cta { margin-top: 4px; }
}

/* ========== ARTICLE BANNER ========== */
.article-banner {
  margin-top: var(--nav-height);
  position: relative;
  min-height: 320px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(45,45,138,0.92) 0%, rgba(30,30,106,0.88) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: var(--text-white);
  text-align: center;
  padding: 60px 24px;
}
.article-banner .container { position: relative; z-index: 2; max-width: 800px; }
.article-banner .article-category {
  display: inline-block; background: var(--accent); color: var(--text-white);
  padding: 6px 20px; border-radius: 40px; font-size: 14px; font-weight: 600;
  margin-bottom: 20px; letter-spacing: 0.5px;
}
.article-banner h1 {
  font-size: 38px; font-weight: 800; line-height: 1.3; margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.article-banner .article-meta {
  display: flex; align-items: center; justify-content: center; gap: 24px;
  font-size: 15px; opacity: 0.9; flex-wrap: wrap;
}
.article-banner .article-meta i { margin-right: 6px; }
@media (max-width: 768px) {
  .article-banner { min-height: 240px; padding: 40px 16px; }
  .article-banner h1 { font-size: 26px; }
  .article-banner .article-meta { gap: 14px; font-size: 13px; }
}
@media (max-width: 520px) {
  .article-banner { min-height: 200px; padding: 30px 12px; }
  .article-banner h1 { font-size: 22px; }
}

/* ========== ARTICLE CONTENT ========== */
.article-section { padding: 60px 0; }
.article-content-wrap { max-width: 800px; margin: 0 auto; }
.article-body {
  background: var(--text-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 48px 56px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--text);
}
.article-body h2 { font-size: 26px; font-weight: 700; margin: 36px 0 16px; color: var(--primary); }
.article-body h3 { font-size: 22px; font-weight: 600; margin: 28px 0 12px; color: var(--primary-dark); }
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 16px 0 20px 24px; }
.article-body li { margin-bottom: 8px; }
.article-body a { color: var(--primary); border-bottom: 1px solid transparent; }
.article-body a:hover { border-bottom-color: var(--primary); }
.article-body img { border-radius: var(--radius-sm); margin: 24px 0; box-shadow: var(--shadow); width: 100%; }
.article-body blockquote {
  border-left: 4px solid var(--accent); background: var(--bg); padding: 16px 24px;
  margin: 24px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-light);
}
.article-body pre { background: #1A1A2E; color: #E8E8F0; padding: 24px; border-radius: var(--radius-sm); overflow-x: auto; margin: 24px 0; font-size: 14px; }
.article-body code { background: var(--bg-alt); padding: 3px 10px; border-radius: 4px; font-size: 14px; color: var(--primary); }
.article-body pre code { background: transparent; padding: 0; color: inherit; }
.article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.article-body th, .article-body td { padding: 12px 16px; border: 1px solid var(--border); text-align: left; }
.article-body th { background: var(--primary); color: var(--text-white); font-weight: 600; }
.article-body tr:nth-child(even) { background: var(--bg); }
@media (max-width: 768px) {
  .article-body { padding: 28px 20px; font-size: 16px; }
  .article-body h2 { font-size: 22px; }
  .article-body h3 { font-size: 19px; }
}
@media (max-width: 520px) {
  .article-body { padding: 20px 16px; font-size: 15px; }
  .article-body h2 { font-size: 20px; }
}

/* ========== ARTICLE FOOTER INFO ========== */
.article-footer-info {
  max-width: 800px; margin: 32px auto 0;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: 16px; padding: 20px 24px; background: var(--text-white); border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.article-tags { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.article-tags span { font-size: 14px; color: var(--text-light); }
.article-tags a {
  display: inline-block; background: var(--bg); color: var(--text-light);
  padding: 4px 16px; border-radius: 40px; font-size: 13px; font-weight: 500;
  border: 1px solid var(--border); transition: var(--transition);
}
.article-tags a:hover { background: var(--primary); color: var(--text-white); border-color: var(--primary); }
.article-share { display: flex; align-items: center; gap: 10px; }
.article-share span { font-size: 14px; color: var(--text-light); }
.article-share a {
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--bg); color: var(--text-light); border: 1px solid var(--border);
  transition: var(--transition); font-size: 16px;
}
.article-share a:hover { background: var(--primary); color: var(--text-white); border-color: var(--primary); transform: translateY(-2px); }
@media (max-width: 520px) {
  .article-footer-info { flex-direction: column; align-items: flex-start; padding: 16px 18px; }
}

/* ========== NOT FOUND ========== */
.not-found-wrap {
  text-align: center; padding: 80px 24px;
}
.not-found-wrap .icon { font-size: 64px; color: var(--text-light); margin-bottom: 20px; }
.not-found-wrap h2 { font-size: 28px; color: var(--primary); margin-bottom: 12px; }
.not-found-wrap p { font-size: 16px; color: var(--text-light); margin-bottom: 24px; }
.not-found-wrap .btn-back {
  display: inline-block; padding: 12px 36px; background: var(--primary); color: var(--text-white);
  border-radius: 40px; font-weight: 600; font-size: 16px; box-shadow: 0 4px 20px rgba(45,45,138,0.25);
  transition: var(--transition);
}
.not-found-wrap .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(45,45,138,0.35); }

/* ========== RELATED SECTION ========== */
.related-section { padding: 60px 0; background: var(--bg-alt); }
.related-section .section-title { text-align: center; margin-bottom: 40px; }
.related-section .section-title h2 { font-size: 28px; font-weight: 700; color: var(--primary); }
.related-section .section-title p { color: var(--text-light); font-size: 16px; margin-top: 8px; }
.related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.related-card {
  background: var(--text-white); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); transition: var(--transition);
  display: flex; flex-direction: column;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.related-card .card-img {
  width: 100%; aspect-ratio: 16/9; object-fit: cover;
  background: var(--bg-alt);
}
.related-card .card-body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.related-card .card-body .cat {
  font-size: 12px; font-weight: 600; color: var(--accent); text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 8px;
}
.related-card .card-body h3 { font-size: 18px; font-weight: 600; line-height: 1.4; margin-bottom: 10px; }
.related-card .card-body h3 a { color: var(--text); }
.related-card .card-body h3 a:hover { color: var(--primary); }
.related-card .card-body p { font-size: 14px; color: var(--text-light); line-height: 1.6; flex: 1; margin-bottom: 14px; }
.related-card .card-body .date { font-size: 13px; color: var(--text-light); display: flex; align-items: center; gap: 6px; }
@media (max-width: 900px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .related-grid { grid-template-columns: 1fr; }
}

/* ========== CTA SECTION ========== */
.cta-section {
  padding: 60px 24px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  text-align: center; color: var(--text-white);
}
.cta-section h2 { font-size: 32px; font-weight: 700; margin-bottom: 14px; }
.cta-section p { font-size: 18px; opacity: 0.9; margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-section .cta-btn {
  display: inline-block; padding: 16px 48px; background: var(--accent); color: var(--text-white);
  border-radius: 40px; font-size: 18px; font-weight: 700; box-shadow: 0 8px 32px rgba(245,166,35,0.4);
  transition: var(--transition);
}
.cta-section .cta-btn:hover { background: var(--accent-light); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(245,166,35,0.55); color: var(--text-white); }
.cta-section .cta-btn i { margin-right: 8px; }
@media (max-width: 640px) {
  .cta-section h2 { font-size: 24px; }
  .cta-section p { font-size: 16px; }
  .cta-section .cta-btn { padding: 14px 32px; font-size: 16px; }
}

/* ========== FOOTER ========== */
.site-footer {
  background: #1A1A2E; color: rgba(255,255,255,0.8); padding: 60px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo { color: var(--text-white); font-size: 20px; margin-bottom: 16px; display: inline-block; }
.footer-brand .logo i { color: var(--accent); }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); max-width: 320px; }
.footer-col h4 { color: var(--text-white); font-size: 16px; font-weight: 600; margin-bottom: 18px; }
.footer-col a { display: block; color: rgba(255,255,255,0.55); font-size: 14px; margin-bottom: 10px; transition: var(--transition); }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 13px; color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: var(--accent); }
.footer-bottom a:hover { text-decoration: underline; }
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ========== BREADCRUMB ========== */
.breadcrumb-wrap {
  max-width: 800px; margin: 0 auto 24px; padding: 0 24px;
}
.breadcrumb {
  display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-light); flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }

/* ========== RESPONSIVE FIXES ========== */
@media (max-width: 640px) {
  .header-inner { padding: 0 16px; }
  .article-section { padding: 40px 0; }
  .related-section { padding: 40px 0; }
  .cta-section { padding: 40px 16px; }
  .site-footer { padding: 40px 0 0; }
}
