/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --clr-primary: #0f1a3a;
            --clr-primary-light: #1a2d5a;
            --clr-accent: #f0b90b;
            --clr-accent-hover: #d4a308;
            --clr-accent-light: rgba(240, 185, 11, 0.12);
            --clr-bg: #f8fafc;
            --clr-bg-alt: #ffffff;
            --clr-bg-dark: #0b0e1a;
            --clr-text: #1e293b;
            --clr-text-secondary: #64748b;
            --clr-text-light: #94a3b8;
            --clr-text-inverse: #ffffff;
            --clr-border: #e2e8f0;
            --clr-border-light: #f1f5f9;
            --clr-success: #10b981;
            --clr-warning: #f59e0b;
            --clr-error: #ef4444;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-xl: 0 24px 60px rgba(0,0,0,0.16);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 72px;
        }

        /* ===== 基础重置 ===== */
        *, *::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: 1.6;
            color: var(--clr-text);
            background: var(--clr-bg);
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--clr-accent); outline-offset: 2px; }
        ul, ol { list-style: none; }
        button { font-family: inherit; cursor: pointer; border: none; background: none; font-size: inherit; }
        input, textarea { font-family: inherit; font-size: inherit; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--clr-text); }
        p { margin-bottom: 1em; }
        p:last-child { margin-bottom: 0; }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* ===== 通用板块 ===== */
        .section { padding: 80px 0; }
        .section-alt { background: var(--clr-bg-alt); }
        .section-dark { background: var(--clr-bg-dark); color: var(--clr-text-inverse); }
        .section-dark h2, .section-dark h3, .section-dark h4 { color: var(--clr-text-inverse); }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-header h2 {
            font-size: clamp(1.75rem, 4vw, 2.5rem);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--clr-text-secondary);
        }
        .section-dark .section-header p { color: rgba(255,255,255,0.7); }
        .section-tag {
            display: inline-block;
            background: var(--clr-accent-light);
            color: var(--clr-accent-hover);
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .section-dark .section-tag { background: rgba(240,185,11,0.2); color: var(--clr-accent); }

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

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 26, 58, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--clr-text-inverse);
            letter-spacing: -0.03em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .logo i { color: var(--clr-accent); font-size: 1.5rem; }
        .logo span { background: linear-gradient(135deg, #fff 40%, var(--clr-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-main { display: flex; align-items: center; gap: 32px; }
        .nav-main a {
            color: rgba(255,255,255,0.75);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            transition: var(--transition);
        }
        .nav-main a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--clr-accent);
            transition: var(--transition);
            border-radius: 2px;
        }
        .nav-main a:hover { color: #fff; }
        .nav-main a:hover::after { width: 100%; }
        .nav-main a.active { color: #fff; }
        .nav-main a.active::after { width: 100%; }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.1);
            border-radius: 100px;
            padding: 6px 16px;
            gap: 8px;
            border: 1px solid rgba(255,255,255,0.08);
            transition: var(--transition);
            min-width: 180px;
        }
        .nav-search i { color: rgba(255,255,255,0.4); font-size: 0.9rem; }
        .nav-search input {
            background: none;
            border: none;
            color: rgba(255,255,255,0.8);
            padding: 4px 0;
            width: 100%;
            font-size: 0.9rem;
        }
        .nav-search input::placeholder { color: rgba(255,255,255,0.35); }
        .nav-search:focus-within { border-color: var(--clr-accent); background: rgba(255,255,255,0.15); }
        .nav-search:focus-within i { color: var(--clr-accent); }
        .btn-cta-nav {
            background: var(--clr-accent);
            color: var(--clr-primary);
            padding: 8px 22px;
            border-radius: 100px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-cta-nav:hover { background: var(--clr-accent-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(240,185,11,0.3); }
        .nav-toggle { display: none; color: #fff; font-size: 1.5rem; cursor: pointer; padding: 4px; }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            width: 100%;
            background: rgba(15,26,58,0.98);
            backdrop-filter: blur(16px);
            padding: 24px 20px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            z-index: 999;
            flex-direction: column;
            gap: 16px;
            transform: translateY(-10px);
            opacity: 0;
            transition: var(--transition);
            pointer-events: none;
        }
        .mobile-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
        .mobile-menu a {
            color: rgba(255,255,255,0.8);
            font-size: 1.1rem;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .mobile-menu a:last-child { border-bottom: none; }
        .mobile-menu a.active { color: var(--clr-accent); }

        @media (max-width: 900px) {
            .nav-main, .nav-search { display: none; }
            .nav-actions .btn-cta-nav { display: none; }
            .nav-toggle { display: block; }
            .mobile-menu { display: flex; }
            .header-inner { padding: 0 16px; }
        }
        @media (min-width: 901px) { .mobile-menu { display: none !important; } }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            background: var(--clr-bg-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            transform: scale(1.05);
            animation: heroZoom 20s ease-in-out infinite alternate;
        }
        @keyframes heroZoom { 0% { transform: scale(1.05); } 100% { transform: scale(1.12); } }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,26,58,0.92) 0%, rgba(11,14,26,0.7) 50%, rgba(15,26,58,0.85) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 80px 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .hero-text { max-width: 600px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240,185,11,0.15);
            color: var(--clr-accent);
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(240,185,11,0.2);
        }
        .hero-badge i { font-size: 0.8rem; }
        .hero-title {
            font-size: clamp(2.2rem, 5.5vw, 3.8rem);
            font-weight: 800;
            color: var(--clr-text-inverse);
            line-height: 1.1;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
        }
        .hero-title em { color: var(--clr-accent); font-style: normal; }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--clr-accent);
            color: var(--clr-primary);
            padding: 14px 32px;
            border-radius: 100px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(240,185,11,0.3);
        }
        .btn-primary:hover { background: var(--clr-accent-hover); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(240,185,11,0.4); }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255,255,255,0.08);
            color: var(--clr-text-inverse);
            padding: 14px 32px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid rgba(255,255,255,0.15);
            transition: var(--transition);
        }
        .btn-secondary:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.3); transform: translateY(-2px); }
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        .hero-visual img {
            width: 100%;
            max-width: 480px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            transform: perspective(800px) rotateY(-4deg) rotateX(2deg);
            transition: var(--transition);
        }
        .hero-visual img:hover { transform: perspective(800px) rotateY(0deg) rotateX(0deg); }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .hero-stat { text-align: center; }
        .hero-stat-number { font-size: 1.6rem; font-weight: 800; color: var(--clr-accent); }
        .hero-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.5); margin-top: 2px; }

        @media (max-width: 1024px) {
            .hero-content { grid-template-columns: 1fr; gap: 40px; text-align: center; }
            .hero-text { max-width: 100%; }
            .hero-desc { max-width: 100%; }
            .hero-actions { justify-content: center; }
            .hero-visual { display: none; }
            .hero-stats { max-width: 400px; margin: 32px auto 0; }
        }
        @media (max-width: 768px) {
            .hero { min-height: 70vh; }
            .hero-content { padding: 60px 16px; }
            .hero-title { font-size: clamp(1.8rem, 8vw, 2.8rem); }
            .hero-actions { flex-direction: column; align-items: stretch; }
            .btn-primary, .btn-secondary { justify-content: center; }
            .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
            .hero-stat-number { font-size: 1.3rem; }
        }

        /* ===== 特色板块 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--clr-bg-alt);
            padding: 36px 28px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
            text-align: center;
        }
        .feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--clr-accent); }
        .feature-icon {
            width: 60px;
            height: 60px;
            background: var(--clr-accent-light);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            color: var(--clr-accent-hover);
        }
        .feature-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
        .feature-card p { font-size: 0.95rem; color: var(--clr-text-secondary); }

        @media (max-width: 900px) { .features-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 560px) { .features-grid { grid-template-columns: 1fr; } }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--clr-bg-alt);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 24px;
        }
        .category-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--clr-accent); }
        .category-card-img {
            width: 120px;
            height: 100px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--clr-bg);
        }
        .category-card-body { flex: 1; }
        .category-card-body h3 { font-size: 1.1rem; margin-bottom: 6px; }
        .category-card-body p { font-size: 0.9rem; color: var(--clr-text-secondary); margin-bottom: 12px; }
        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--clr-accent-hover);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .category-link i { transition: var(--transition); }
        .category-link:hover i { transform: translateX(4px); }
        .category-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--clr-accent);
            color: var(--clr-primary);
            padding: 2px 12px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        @media (max-width: 768px) {
            .category-grid { grid-template-columns: 1fr; }
            .category-card { flex-direction: column; align-items: flex-start; padding: 20px; }
            .category-card-img { width: 100%; height: 160px; }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 16px;
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
        }
        .stat-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-2px); }
        .stat-card i { font-size: 2rem; color: var(--clr-accent); margin-bottom: 12px; }
        .stat-number { font-size: 2.2rem; font-weight: 800; color: #fff; line-height: 1.2; }
        .stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

        @media (max-width: 900px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 520px) { .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; } .stat-number { font-size: 1.6rem; } }

        /* ===== 最新资讯列表 ===== */
        .news-list { display: flex; flex-direction: column; gap: 16px; }
        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 24px;
            background: var(--clr-bg-alt);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
        }
        .news-item:hover { box-shadow: var(--shadow-md); transform: translateX(4px); border-color: var(--clr-accent); }
        .news-thumb {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--clr-bg);
        }
        .news-body { flex: 1; min-width: 0; }
        .news-body h4 { font-size: 1rem; margin-bottom: 4px; font-weight: 600; }
        .news-body h4 a { color: var(--clr-text); }
        .news-body h4 a:hover { color: var(--clr-accent-hover); }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--clr-text-light);
        }
        .news-meta i { margin-right: 4px; }
        .news-cat {
            display: inline-block;
            background: var(--clr-accent-light);
            color: var(--clr-accent-hover);
            padding: 2px 12px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .news-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--clr-text-secondary);
            background: var(--clr-bg-alt);
            border-radius: var(--radius-md);
            border: 1px dashed var(--clr-border);
        }
        .news-empty i { font-size: 2rem; color: var(--clr-text-light); margin-bottom: 12px; }

        @media (max-width: 640px) {
            .news-item { flex-direction: column; align-items: flex-start; padding: 16px; }
            .news-thumb { width: 100%; height: 180px; }
            .news-meta { flex-wrap: wrap; gap: 8px; }
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(to right, var(--clr-accent), rgba(240,185,11,0.2));
            z-index: 0;
        }
        .step-card {
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--clr-bg-alt);
            padding: 32px 16px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
        }
        .step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .step-number {
            width: 48px;
            height: 48px;
            background: var(--clr-accent);
            color: var(--clr-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            margin: 0 auto 16px;
        }
        .step-card h4 { font-size: 1rem; margin-bottom: 6px; }
        .step-card p { font-size: 0.9rem; color: var(--clr-text-secondary); }

        @media (max-width: 900px) { .steps-grid { grid-template-columns: repeat(2, 1fr); } .steps-grid::before { display: none; } }
        @media (max-width: 520px) { .steps-grid { grid-template-columns: 1fr; } }

        /* ===== FAQ ===== */
        .faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--clr-bg-alt);
            border-radius: var(--radius-md);
            border: 1px solid var(--clr-border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--clr-accent); }
        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: var(--transition);
            background: none;
            width: 100%;
            text-align: left;
            color: var(--clr-text);
        }
        .faq-question i { color: var(--clr-accent); transition: var(--transition); font-size: 0.9rem; }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--clr-text-secondary);
            display: none;
            line-height: 1.7;
        }
        .faq-answer.open { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--clr-primary) 0%, #0b0e1a 100%);
            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') center center / cover no-repeat;
            opacity: 0.1;
        }
        .cta-content { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
        .cta-content h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); color: #fff; margin-bottom: 12px; }
        .cta-content p { color: rgba(255,255,255,0.7); font-size: 1.05rem; margin-bottom: 28px; }
        .cta-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
        .btn-cta-big {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--clr-accent);
            color: var(--clr-primary);
            padding: 16px 40px;
            border-radius: 100px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 4px 24px rgba(240,185,11,0.35);
        }
        .btn-cta-big:hover { background: var(--clr-accent-hover); transform: translateY(-2px); box-shadow: 0 8px 36px rgba(240,185,11,0.45); }
        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: #fff;
            padding: 16px 40px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1.05rem;
            border: 1px solid rgba(255,255,255,0.25);
            transition: var(--transition);
        }
        .btn-cta-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.4); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--clr-bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 56px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { font-size: 1.3rem; margin-bottom: 12px; }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.5); max-width: 300px; line-height: 1.7; }
        .footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; font-weight: 600; }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.55);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--clr-accent); padding-left: 4px; }
        .footer-social { display: flex; gap: 12px; margin-top: 16px; }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.6);
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--clr-accent); color: var(--clr-primary); transform: translateY(-2px); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--clr-accent); }

        @media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } .footer-bottom { flex-direction: column; text-align: center; } }

        /* ===== 通用工具 ===== */
        .text-center { text-align: center; }
        .mt-8 { margin-top: 32px; }
        .gap-8 { gap: 32px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

        /* ===== 滚动动画 ===== */
        .fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
        .fade-up.visible { opacity: 1; transform: translateY(0); }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #264653;
            --accent: #f4a261;
            --accent-light: #fae1b4;
            --bg-body: #f8f9fa;
            --bg-white: #ffffff;
            --bg-dark: #0d1b2a;
            --bg-card: #ffffff;
            --bg-section-alt: #f1f3f5;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #7a7a9a;
            --text-light: #f8f9fa;
            --border-color: #e8e8f0;
            --border-light: #f0f0f5;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 28px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
            --shadow-xl: 0 30px 60px rgba(0,0,0,0.16);
            --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-width: 1200px;
            --nav-height: 72px;
            --spacing-section: 90px;
            --spacing-element: 24px;
        }

        /* ===== 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-family);
            color: var(--text-primary);
            background: var(--bg-body);
            line-height: 1.7;
            font-size: 16px;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button, input, textarea, select { font-family: inherit; font-size: 1rem; outline: none; border: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }
        p { margin-bottom: 0.8rem; color: var(--text-secondary); }
        ::selection { background: var(--primary); color: #fff; }
        :focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 4px; }

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

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 12px 30px; border-radius: 50px;
            font-weight: 600; font-size: 0.95rem;
            cursor: pointer; transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary); color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(230,57,70,0.35);
        }
        .btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(230,57,70,0.25); }
        .btn-outline {
            background: transparent; color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary); color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(230,57,70,0.2);
        }
        .btn-outline:active { transform: translateY(0); }
        .btn-white {
            background: #fff; color: var(--primary);
            border-color: #fff;
        }
        .btn-white:hover {
            background: var(--primary-light); color: #fff;
            border-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255,255,255,0.3);
        }
        .btn-sm { padding: 8px 20px; font-size: 0.85rem; }
        .btn-lg { padding: 16px 38px; font-size: 1.05rem; }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-block; padding: 4px 14px; border-radius: 50px;
            font-size: 0.78rem; font-weight: 600;
            background: var(--accent-light); color: var(--secondary);
            letter-spacing: 0.3px;
        }
        .badge-primary { background: var(--primary); color: #fff; }
        .badge-hot { background: #ff6b35; color: #fff; }
        .badge-new { background: #06d6a0; color: #fff; }

        /* ===== Section ===== */
        .section { padding: var(--spacing-section) 0; }
        .section-alt { background: var(--bg-section-alt); }
        .section-dark { background: var(--bg-dark); color: var(--text-light); }
        .section-dark h2,
        .section-dark h3,
        .section-dark p { color: var(--text-light); }
        .section-header {
            text-align: center; max-width: 720px; margin: 0 auto 50px;
        }
        .section-header h2 { margin-bottom: 14px; }
        .section-header p { font-size: 1.1rem; color: var(--text-muted); }
        .section-header .badge { margin-bottom: 14px; }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--nav-height);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(18px) saturate(1.2);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-md); }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 24px;
        }
        .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.5rem; font-weight: 800;
            color: var(--text-primary); letter-spacing: -0.5px;
        }
        .logo i { color: var(--primary); font-size: 1.7rem; }
        .logo span { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-main { display: flex; align-items: center; gap: 6px; }
        .nav-main a {
            display: flex; align-items: center; gap: 6px;
            padding: 8px 18px; border-radius: 50px;
            font-weight: 500; font-size: 0.92rem;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav-main a:hover { color: var(--primary); background: rgba(230,57,70,0.06); }
        .nav-main a.active {
            color: #fff; background: var(--primary);
            box-shadow: 0 4px 15px rgba(230,57,70,0.3);
        }
        .nav-main a.active i { color: #fff; }
        .nav-right { display: flex; align-items: center; gap: 14px; }
        .nav-search {
            display: flex; align-items: center; gap: 8px;
            padding: 8px 18px; border-radius: 50px;
            background: var(--bg-section-alt); border: 1px solid var(--border-color);
            color: var(--text-muted); font-size: 0.88rem;
            cursor: pointer; transition: var(--transition); min-width: 160px;
        }
        .nav-search:hover { border-color: var(--primary); background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.04); }
        .nav-search i { color: var(--text-muted); font-size: 0.9rem; }
        .nav-search .kbd {
            margin-left: auto; padding: 2px 8px; border-radius: 4px;
            background: var(--border-color); font-size: 0.7rem; color: var(--text-muted);
            font-weight: 600;
        }
        .header-cta .btn { padding: 8px 22px; font-size: 0.88rem; }
        .mobile-toggle { display: none; background: none; font-size: 1.5rem; color: var(--text-primary); cursor: pointer; padding: 4px; }

        /* ===== Hero / Banner (分类页) ===== */
        .category-banner {
            padding: 140px 0 60px; margin-top: var(--nav-height);
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1a2a3a 50%, var(--secondary) 100%);
            position: relative; overflow: hidden;
        }
        .category-banner::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.18; mix-blend-mode: overlay;
        }
        .category-banner::after {
            content: ''; position: absolute; inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(230,57,70,0.15) 0%, transparent 70%);
        }
        .category-banner .container { position: relative; z-index: 2; }
        .banner-content { max-width: 760px; }
        .banner-content .badge { margin-bottom: 16px; background: var(--primary); color: #fff; }
        .banner-content h1 { font-size: 3.2rem; color: #fff; margin-bottom: 16px; letter-spacing: -0.5px; }
        .banner-content p { font-size: 1.15rem; color: rgba(255,255,255,0.8); margin-bottom: 28px; line-height: 1.8; }
        .banner-actions { display: flex; gap: 14px; flex-wrap: wrap; }
        .banner-stats {
            display: flex; gap: 40px; margin-top: 40px; padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.12);
        }
        .banner-stat-item { text-align: left; }
        .banner-stat-item .num { font-size: 2rem; font-weight: 800; color: #fff; }
        .banner-stat-item .label { font-size: 0.88rem; color: rgba(255,255,255,0.65); margin-top: 2px; }

        /* ===== Filter / Tab Bar ===== */
        .filter-bar {
            background: var(--bg-white); border-bottom: 1px solid var(--border-color);
            position: sticky; top: var(--nav-height); z-index: 100;
            box-shadow: var(--shadow-sm);
        }
        .filter-inner {
            display: flex; align-items: center; gap: 8px;
            padding: 12px 0; overflow-x: auto; white-space: nowrap;
            -webkit-overflow-scrolling: touch; scrollbar-width: none;
        }
        .filter-inner::-webkit-scrollbar { display: none; }
        .filter-tag {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 8px 20px; border-radius: 50px;
            font-size: 0.88rem; font-weight: 500;
            color: var(--text-secondary); background: var(--bg-section-alt);
            cursor: pointer; transition: var(--transition);
            border: 1px solid transparent; flex-shrink: 0;
        }
        .filter-tag:hover { color: var(--primary); background: rgba(230,57,70,0.06); border-color: var(--primary); }
        .filter-tag.active { color: #fff; background: var(--primary); border-color: var(--primary); box-shadow: 0 4px 15px rgba(230,57,70,0.25); }
        .filter-tag i { font-size: 0.8rem; }
        .filter-count { margin-left: auto; font-size: 0.85rem; color: var(--text-muted); flex-shrink: 0; }

        /* ===== 文章卡片网格 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            overflow: hidden; box-shadow: var(--shadow-sm);
            transition: var(--transition); border: 1px solid var(--border-light);
            display: flex; flex-direction: column;
        }
        .news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
        .news-card-img {
            position: relative; overflow: hidden; aspect-ratio: 16/9;
            background: var(--bg-section-alt);
        }
        .news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .news-card:hover .news-card-img img { transform: scale(1.06); }
        .news-card-img .badge { position: absolute; top: 12px; left: 12px; z-index: 2; }
        .news-card-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
        .news-card-meta { display: flex; align-items: center; gap: 16px; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 10px; }
        .news-card-meta i { margin-right: 4px; }
        .news-card-body h3 { font-size: 1.15rem; margin-bottom: 10px; line-height: 1.45; }
        .news-card-body h3 a { color: var(--text-primary); }
        .news-card-body h3 a:hover { color: var(--primary); }
        .news-card-body p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 14px; flex: 1; }
        .news-card-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--border-light); }
        .news-card-footer .tag { font-size: 0.8rem; color: var(--text-muted); background: var(--bg-section-alt); padding: 2px 12px; border-radius: 50px; }
        .news-card-footer .read-more { font-size: 0.85rem; font-weight: 600; color: var(--primary); }
        .news-card-footer .read-more:hover { gap: 6px; }
        .news-card-footer .read-more i { transition: var(--transition); }
        .news-card-footer .read-more:hover i { transform: translateX(4px); }

        /* ===== Featured / 特色大卡 ===== */
        .featured-card {
            display: grid; grid-template-columns: 1fr 1fr;
            gap: 40px; align-items: center;
            background: var(--bg-white); border-radius: var(--radius-lg);
            overflow: hidden; box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .featured-card.reverse { direction: rtl; }
        .featured-card.reverse > * { direction: ltr; }
        .featured-img { position: relative; overflow: hidden; aspect-ratio: 4/3; background: var(--bg-section-alt); }
        .featured-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .featured-card:hover .featured-img img { transform: scale(1.04); }
        .featured-img .play-btn {
            position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
            width: 70px; height: 70px; border-radius: 50%;
            background: rgba(230,57,70,0.9); color: #fff;
            display: flex; align-items: center; justify-content: center;
            font-size: 1.8rem; box-shadow: 0 8px 30px rgba(230,57,70,0.4);
            transition: var(--transition); backdrop-filter: blur(4px);
        }
        .featured-card:hover .play-btn { transform: translate(-50%,-50%) scale(1.05); background: var(--primary); }
        .featured-body { padding: 30px 40px 30px 0; }
        .featured-card.reverse .featured-body { padding: 30px 0 30px 40px; }
        .featured-body .badge { margin-bottom: 14px; }
        .featured-body h2 { font-size: 1.9rem; margin-bottom: 16px; }
        .featured-body p { font-size: 1rem; color: var(--text-muted); margin-bottom: 22px; line-height: 1.8; }
        .featured-meta { display: flex; gap: 24px; font-size: 0.88rem; color: var(--text-muted); }
        .featured-meta i { margin-right: 6px; color: var(--primary); }

        /* ===== Hot Topics / 热门专题 ===== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .topic-card {
            text-align: center; padding: 32px 20px 28px;
            background: var(--bg-white); border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
            transition: var(--transition); cursor: pointer;
        }
        .topic-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
        .topic-card .icon {
            width: 60px; height: 60px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 16px; font-size: 1.5rem;
            background: rgba(230,57,70,0.08); color: var(--primary);
            transition: var(--transition);
        }
        .topic-card:hover .icon { background: var(--primary); color: #fff; }
        .topic-card h4 { font-size: 1.05rem; margin-bottom: 6px; }
        .topic-card p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0; }

        /* ===== Data / Stats 数据板块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-item {
            text-align: center; padding: 36px 20px;
            background: rgba(255,255,255,0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.08);
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }
        .stat-item:hover { background: rgba(255,255,255,0.1); transform: translateY(-3px); }
        .stat-item .num { font-size: 2.8rem; font-weight: 800; color: #fff; line-height: 1.2; }
        .stat-item .num span { color: var(--accent); }
        .stat-item .label { font-size: 0.92rem; color: rgba(255,255,255,0.7); margin-top: 6px; }

        /* ===== News List / 资讯列表 ===== */
        .news-list { display: flex; flex-direction: column; gap: 6px; }
        .news-list-item {
            display: flex; align-items: center; gap: 18px;
            padding: 18px 22px; border-radius: var(--radius-sm);
            background: var(--bg-white); border: 1px solid var(--border-light);
            transition: var(--transition); cursor: pointer;
        }
        .news-list-item:hover { background: var(--bg-section-alt); border-color: var(--primary); transform: translateX(4px); }
        .news-list-item .rank { font-size: 1.3rem; font-weight: 800; color: var(--text-muted); min-width: 32px; }
        .news-list-item:nth-child(1) .rank { color: var(--primary); }
        .news-list-item:nth-child(2) .rank { color: var(--accent); }
        .news-list-item:nth-child(3) .rank { color: #06d6a0; }
        .news-list-item .info { flex: 1; }
        .news-list-item .info h4 { font-size: 1rem; margin-bottom: 4px; }
        .news-list-item .info p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }
        .news-list-item .meta { font-size: 0.82rem; color: var(--text-muted); white-space: nowrap; }

        /* ===== FAQ ===== */
        .faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-white); border-radius: var(--radius-md);
            border: 1px solid var(--border-light); overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
        .faq-question {
            display: flex; align-items: center; justify-content: space-between;
            padding: 18px 24px; cursor: pointer;
            font-weight: 600; font-size: 1rem;
            color: var(--text-primary); transition: var(--transition);
            background: none; width: 100%; text-align: left;
        }
        .faq-question i { color: var(--primary); transition: var(--transition); font-size: 1.1rem; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer { padding: 0 24px 18px; display: none; }
        .faq-item.active .faq-answer { display: block; }
        .faq-answer p { margin: 0; color: var(--text-muted); font-size: 0.95rem; line-height: 1.8; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 70px 0; text-align: center;
            position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08; mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: #fff; font-size: 2.4rem; margin-bottom: 14px; }
        .cta-section p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 30px; max-width: 600px; margin-left: auto; margin-right: auto; }
        .cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

        /* ===== Footer (复用) ===== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.8);
            padding: 60px 0 0;
        }
        .site-footer .container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo { color: #fff; margin-bottom: 16px; }
        .footer-brand .logo span { -webkit-text-fill-color: #fff; }
        .footer-brand p { font-size: 0.92rem; color: rgba(255,255,255,0.6); line-height: 1.8; margin-bottom: 20px; }
        .footer-social { display: flex; gap: 14px; }
        .footer-social a {
            width: 40px; height: 40px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7);
            font-size: 1.1rem; transition: var(--transition);
        }
        .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
        .footer-col h4 { color: #fff; font-size: 1.05rem; margin-bottom: 18px; }
        .footer-col a {
            display: block; padding: 6px 0;
            font-size: 0.92rem; color: rgba(255,255,255,0.6);
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-col a i { width: 20px; margin-right: 6px; }
        .footer-bottom {
            display: flex; align-items: center; justify-content: space-between;
            padding: 20px 0; font-size: 0.85rem; color: rgba(255,255,255,0.45);
            flex-wrap: wrap; gap: 10px;
        }
        .footer-bottom a { color: rgba(255,255,255,0.6); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== Pagination ===== */
        .pagination {
            display: flex; align-items: center; justify-content: center; gap: 8px;
            margin-top: 40px;
        }
        .pagination a {
            display: flex; align-items: center; justify-content: center;
            width: 42px; height: 42px; border-radius: 50%;
            font-weight: 600; font-size: 0.9rem;
            color: var(--text-secondary); background: var(--bg-white);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .pagination a:hover { border-color: var(--primary); color: var(--primary); }
        .pagination a.active { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 4px 15px rgba(230,57,70,0.25); }
        .pagination a.disabled { opacity: 0.4; pointer-events: none; }
        .pagination .page-text { padding: 0 8px; color: var(--text-muted); font-size: 0.9rem; }

        /* ===== Subscriber Form ===== */
        .subscribe-form { display: flex; gap: 10px; max-width: 460px; margin: 24px auto 0; }
        .subscribe-form input {
            flex: 1; padding: 14px 20px; border-radius: 50px;
            border: 1px solid var(--border-color); background: var(--bg-white);
            font-size: 0.95rem; transition: var(--transition);
        }
        .subscribe-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(230,57,70,0.1); }
        .subscribe-form .btn { flex-shrink: 0; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root { --spacing-section: 64px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .topics-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .featured-card { grid-template-columns: 1fr; gap: 0; }
            .featured-card.reverse { direction: ltr; }
            .featured-body { padding: 24px 28px 30px; }
            .featured-card.reverse .featured-body { padding: 24px 28px 30px; }
            .banner-content h1 { font-size: 2.6rem; }
            .banner-stats { gap: 24px; flex-wrap: wrap; }
            .banner-stat-item .num { font-size: 1.6rem; }
        }
        @media (max-width: 768px) {
            :root { --spacing-section: 48px; --nav-height: 64px; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
            .mobile-toggle { display: block; }
            .nav-main {
                position: fixed; top: var(--nav-height); left: 0; right: 0;
                background: rgba(255,255,255,0.98); backdrop-filter: blur(18px);
                flex-direction: column; padding: 16px 24px;
                box-shadow: var(--shadow-lg); border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%); opacity: 0;
                transition: var(--transition); pointer-events: none;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .nav-main.open { transform: translateY(0); opacity: 1; pointer-events: all; }
            .nav-main a { width: 100%; justify-content: center; padding: 12px 18px; }
            .nav-right { gap: 8px; }
            .nav-search { min-width: auto; padding: 8px 14px; }
            .nav-search .kbd { display: none; }
            .nav-search span { display: none; }
            .header-cta .btn { padding: 6px 16px; font-size: 0.82rem; }
            .category-banner { padding: 110px 0 40px; }
            .banner-content h1 { font-size: 2rem; }
            .banner-content p { font-size: 1rem; }
            .banner-stats { flex-direction: column; gap: 16px; }
            .news-grid { grid-template-columns: 1fr; gap: 20px; }
            .topics-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
            .stat-item .num { font-size: 2rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .filter-inner { padding: 10px 0; }
            .filter-tag { padding: 6px 14px; font-size: 0.82rem; }
            .news-list-item { padding: 14px 16px; flex-wrap: wrap; }
            .news-list-item .meta { width: 100%; text-align: right; }
            .subscribe-form { flex-direction: column; }
            .subscribe-form .btn { width: 100%; justify-content: center; }
            .cta-section h2 { font-size: 1.8rem; }
            .pagination a { width: 36px; height: 36px; font-size: 0.82rem; }
            .featured-body h2 { font-size: 1.4rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .banner-content h1 { font-size: 1.6rem; }
            .banner-actions { flex-direction: column; }
            .banner-actions .btn { width: 100%; justify-content: center; }
            .topics-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; }
            .featured-body { padding: 18px 20px 24px; }
            .featured-card.reverse .featured-body { padding: 18px 20px 24px; }
            .news-card-body { padding: 16px 18px 20px; }
            .news-card-body h3 { font-size: 1.05rem; }
            .cta-actions { flex-direction: column; align-items: center; }
            .cta-actions .btn { width: 100%; justify-content: center; }
            .filter-count { display: none; }
        }

/* roulang page: article */
:root {
    --primary: #e63946;
    --primary-dark: #c1121f;
    --primary-light: #ff6b6b;
    --secondary: #1d3557;
    --secondary-light: #457b9d;
    --accent: #f4a261;
    --bg: #ffffff;
    --bg-alt: #f8f9fa;
    --bg-dark: #1d3557;
    --text: #1a1a2e;
    --text-light: #6c757d;
    --text-white: #ffffff;
    --border: #e9ecef;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow: 0 4px 24px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.10);
    --shadow-hover: 0 8px 32px rgba(0,0,0,0.12);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
    --content-width: 780px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
ul, ol { list-style: none; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: var(--content-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--bg-dark); color: var(--text-white); }
.section-title { font-size: 2rem; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.02em; }
.section-subtitle { font-size: 1.1rem; color: var(--text-light); margin-bottom: 48px; max-width: 600px; }
.section-dark .section-subtitle { color: rgba(255,255,255,0.7); }
.text-center { text-align: center; }
.text-center .section-subtitle { margin-left: auto; margin-right: auto; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 0.95rem; cursor: pointer; transition: var(--transition); border: 2px solid transparent; justify-content: center; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230,57,70,0.35); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230,57,70,0.25); }
.btn-white { background: #fff; color: var(--primary); border-color: #fff; }
.btn-white:hover { background: var(--bg-alt); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.badge { display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 600; background: var(--primary); color: #fff; }
.badge-secondary { background: var(--secondary-light); color: #fff; }
.badge-outline { background: transparent; border: 1px solid var(--border); color: var(--text-light); }
.tag { display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 500; background: var(--bg-alt); color: var(--text-light); transition: var(--transition); cursor: pointer; }
.tag:hover { background: var(--primary); color: #fff; }
/* ===== HEADER / NAV ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.4rem; font-weight: 800; color: var(--secondary); letter-spacing: -0.03em; white-space: nowrap; }
.logo i { color: var(--primary); font-size: 1.6rem; }
.nav-main { display: flex; align-items: center; gap: 8px; }
.nav-main a { padding: 8px 18px; border-radius: 50px; font-weight: 500; font-size: 0.95rem; color: var(--text); transition: var(--transition); }
.nav-main a:hover { background: var(--bg-alt); color: var(--primary); }
.nav-main a.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(230,57,70,0.3); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-box { display: flex; align-items: center; background: var(--bg-alt); border-radius: 50px; padding: 0 16px; border: 1px solid var(--border); transition: var(--transition); }
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(230,57,70,0.12); }
.search-box input { background: none; border: none; padding: 8px 8px; font-size: 0.9rem; width: 180px; color: var(--text); }
.search-box input::placeholder { color: var(--text-light); }
.search-box i { color: var(--text-light); font-size: 0.9rem; }
.mobile-toggle { display: none; background: none; font-size: 1.5rem; color: var(--text); cursor: pointer; padding: 4px; }
@media (max-width: 900px) {
    .nav-main { display: none; position: absolute; top: 72px; left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(16px); flex-direction: column; padding: 16px 24px; gap: 4px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); }
    .nav-main.open { display: flex; }
    .nav-main a { width: 100%; padding: 12px 16px; }
    .search-box input { width: 120px; }
    .mobile-toggle { display: block; }
}
@media (max-width: 520px) {
    .header-inner { height: 64px; }
    .logo { font-size: 1.15rem; }
    .logo i { font-size: 1.3rem; }
    .search-box input { width: 80px; font-size: 0.8rem; }
    .btn-sm { padding: 8px 16px; font-size: 0.8rem; }
}
/* ===== ARTICLE HERO ===== */
.article-hero { position: relative; padding: 80px 0 60px; background: var(--bg-dark); color: var(--text-white); overflow: hidden; }
.article-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.30; }
.article-hero .container-narrow { position: relative; z-index: 2; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: rgba(255,255,255,0.7); margin-bottom: 24px; flex-wrap: wrap; }
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 0.7rem; color: rgba(255,255,255,0.4); }
.article-hero h1 { font-size: 2.6rem; font-weight: 800; line-height: 1.25; letter-spacing: -0.03em; margin-bottom: 20px; }
.article-meta-hero { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; font-size: 0.95rem; color: rgba(255,255,255,0.8); }
.article-meta-hero .badge { font-size: 0.8rem; }
.article-meta-hero i { margin-right: 6px; }
@media (max-width: 768px) {
    .article-hero { padding: 48px 0 40px; }
    .article-hero h1 { font-size: 1.8rem; }
    .breadcrumb { font-size: 0.8rem; }
}
@media (max-width: 520px) {
    .article-hero h1 { font-size: 1.5rem; }
}
/* ===== ARTICLE FEATURED IMAGE ===== */
.article-featured { margin-top: -40px; position: relative; z-index: 3; }
.article-featured img { width: 100%; max-width: var(--content-width); margin: 0 auto; border-radius: var(--radius); box-shadow: var(--shadow-lg); aspect-ratio: 16/9; object-fit: cover; }
@media (max-width: 768px) {
    .article-featured { margin-top: -24px; }
}
/* ===== ARTICLE CONTENT ===== */
.article-body { padding-top: 48px; padding-bottom: 48px; }
.article-content { font-size: 1.05rem; line-height: 1.85; color: var(--text); }
.article-content p { margin-bottom: 1.6em; }
.article-content h2, .article-content h3, .article-content h4 { margin-top: 2em; margin-bottom: 0.8em; font-weight: 700; letter-spacing: -0.02em; line-height: 1.4; }
.article-content h2 { font-size: 1.7rem; }
.article-content h3 { font-size: 1.35rem; }
.article-content h4 { font-size: 1.15rem; }
.article-content ul, .article-content ol { margin-bottom: 1.6em; padding-left: 1.6em; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 0.4em; }
.article-content blockquote { border-left: 4px solid var(--primary); padding: 16px 24px; margin: 1.6em 0; background: var(--bg-alt); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-style: italic; color: var(--text-light); }
.article-content a { color: var(--primary); text-decoration: underline; }
.article-content a:hover { color: var(--primary-dark); }
.article-content img { border-radius: var(--radius-sm); margin: 1.6em auto; box-shadow: var(--shadow); }
.article-content pre, .article-content code { font-family: 'SF Mono', 'Fira Code', monospace; background: var(--bg-alt); border-radius: var(--radius-xs); }
.article-content code { padding: 2px 8px; font-size: 0.9em; color: var(--primary); }
.article-content pre { padding: 20px; overflow-x: auto; margin-bottom: 1.6em; border: 1px solid var(--border); }
.article-content pre code { background: none; padding: 0; color: inherit; }
@media (max-width: 768px) {
    .article-content { font-size: 0.98rem; }
    .article-content h2 { font-size: 1.4rem; }
    .article-content h3 { font-size: 1.2rem; }
}
/* ===== ARTICLE FOOTER META ===== */
.article-footer-meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 32px 0; border-top: 1px solid var(--border); margin-top: 32px; }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.article-share { display: flex; align-items: center; gap: 10px; }
.article-share span { font-size: 0.9rem; color: var(--text-light); }
.article-share a { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: var(--bg-alt); color: var(--text); transition: var(--transition); font-size: 1rem; }
.article-share a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
@media (max-width: 520px) {
    .article-footer-meta { flex-direction: column; align-items: flex-start; }
}
/* ===== ARTICLE NAVIGATION ===== */
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 32px 0; border-top: 1px solid var(--border); margin-top: 0; }
.article-nav-item { display: flex; flex-direction: column; padding: 20px 24px; border-radius: var(--radius-sm); background: var(--bg-alt); transition: var(--transition); border: 1px solid var(--border); }
.article-nav-item:hover { background: var(--bg); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.article-nav-item.next { text-align: right; align-items: flex-end; }
.article-nav-label { font-size: 0.8rem; color: var(--text-light); margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.article-nav-item.next .article-nav-label { flex-direction: row-reverse; }
.article-nav-title { font-weight: 600; font-size: 1rem; color: var(--text); line-height: 1.4; }
.article-nav-item:hover .article-nav-title { color: var(--primary); }
@media (max-width: 600px) {
    .article-nav { grid-template-columns: 1fr; }
    .article-nav-item.next { text-align: left; align-items: flex-start; }
    .article-nav-item.next .article-nav-label { flex-direction: row; }
}
/* ===== RELATED POSTS ===== */
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: var(--bg); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: var(--transition); }
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.related-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.related-card-body { padding: 20px; }
.related-card-body .badge { margin-bottom: 10px; }
.related-card-body h3 { font-size: 1.05rem; font-weight: 700; line-height: 1.4; margin-bottom: 8px; transition: var(--transition); }
.related-card:hover .related-card-body h3 { color: var(--primary); }
.related-card-body p { font-size: 0.9rem; color: var(--text-light); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--text-light); margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
@media (max-width: 900px) {
    .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
    .related-grid { grid-template-columns: 1fr; }
}
/* ===== CTA ===== */
.cta-block { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border-radius: var(--radius); padding: 56px 48px; text-align: center; color: #fff; position: relative; overflow: hidden; }
.cta-block::before { content: ''; position: absolute; inset: 0; background: url('<?php echo $backImage; ?>') center/cover no-repeat; opacity: 0.10; }
.cta-block h2 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; position: relative; }
.cta-block p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 28px; max-width: 500px; margin-left: auto; margin-right: auto; position: relative; }
.cta-block .btn { position: relative; }
@media (max-width: 768px) {
    .cta-block { padding: 40px 24px; }
    .cta-block h2 { font-size: 1.5rem; }
    .cta-block p { font-size: 0.95rem; }
}
/* ===== ERROR STATE ===== */
.error-state { text-align: center; padding: 80px 24px; }
.error-state i { font-size: 4rem; color: var(--text-light); margin-bottom: 20px; }
.error-state h2 { font-size: 2rem; font-weight: 700; margin-bottom: 12px; }
.error-state p { color: var(--text-light); margin-bottom: 24px; font-size: 1.1rem; }
/* ===== FOOTER ===== */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.8); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; opacity: 0.7; max-width: 360px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7); transition: var(--transition); font-size: 1.1rem; }
.footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.footer-col h4 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col a { display: block; padding: 4px 0; font-size: 0.9rem; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-col a i { width: 20px; margin-right: 6px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; padding: 24px 0; font-size: 0.85rem; color: rgba(255,255,255,0.5); }
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: var(--primary-light); }
@media (max-width: 900px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
}
/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .section { padding: 48px 0; }
    .section-title { font-size: 1.6rem; }
    .section-subtitle { font-size: 1rem; margin-bottom: 32px; }
}
@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .container-narrow { padding: 0 16px; }
    .section-title { font-size: 1.35rem; }
}
/* ===== ANIMATIONS ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.animate-fade-up { animation: fadeInUp 0.6s ease-out forwards; }