/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #E85D2C;
            --primary-dark: #D04A1E;
            --primary-light: #F07840;
            --primary-bg: #FFF0EB;
            --secondary: #1A1A2E;
            --secondary-light: #2D2D4A;
            --accent: #F5A623;
            --bg: #F8F9FA;
            --bg-alt: #FFFFFF;
            --text: #1A1A2E;
            --text-light: #6C757D;
            --text-white: #FFFFFF;
            --border: #E8E8EE;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-btn: 0 4px 14px rgba(232,93,44,0.35);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container: 1200px;
            --gap: 24px;
            --gap-lg: 48px;
        }

        /* ===== 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);
            color: var(--text);
            background: var(--bg);
            line-height: 1.6;
            font-size: 16px;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button { cursor: pointer; font-family: inherit; border: none; background: none; }
        input, textarea { font-family: inherit; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text); }
        h1 { font-size: 2.75rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.125rem; }
        p { margin-bottom: 1rem; color: var(--text-light); }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 var(--gap);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: var(--shadow-btn);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232,93,44,0.45);
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-primary:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
        }
        .btn-white {
            background: var(--text-white);
            color: var(--primary);
        }
        .btn-white:hover {
            background: var(--primary-bg);
            transform: translateY(-2px);
        }
        .btn-lg { padding: 16px 40px; font-size: 1.1rem; border-radius: var(--radius); }
        .btn-sm { padding: 8px 18px; font-size: 0.85rem; }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--primary-bg);
            color: var(--primary);
        }
        .badge-white { background: rgba(255,255,255,0.2); color: var(--text-white); }
        .tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .tag:hover { background: var(--primary-bg); color: var(--primary); border-color: var(--primary); }

        /* ===== Card ===== */
        .card {
            background: var(--bg-alt);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .card-body { padding: 20px; }
        .card-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
        .card-text { font-size: 0.9rem; color: var(--text-light); margin-bottom: 0; }

        /* ===== Section ===== */
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-alt); }
        .section-dark { background: var(--secondary); color: var(--text-white); }
        .section-title { text-align: center; margin-bottom: 12px; }
        .section-subtitle { text-align: center; color: var(--text-light); max-width: 600px; margin: 0 auto 48px; font-size: 1.05rem; }
        .section-dark .section-subtitle { color: rgba(255,255,255,0.7); }

        /* ===== Header / Nav ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.1rem;
        }
        .logo span { color: var(--primary); }
        .nav { display: flex; align-items: center; gap: 32px; }
        .nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            padding: 4px 0;
            position: relative;
            transition: var(--transition);
        }
        .nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
            border-radius: 2px;
        }
        .nav a:hover { color: var(--text); }
        .nav a:hover::after { width: 100%; }
        .nav a.active { color: var(--primary); font-weight: 600; }
        .nav a.active::after { width: 100%; }
        .header-actions { display: flex; align-items: center; gap: 16px; }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            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(232,93,44,0.1); }
        .search-box input {
            border: none;
            background: transparent;
            padding: 8px 0;
            font-size: 0.9rem;
            width: 140px;
            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; font-size: 1.4rem; color: var(--text); padding: 4px; }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(26,26,46,0.45) 100%);
        }
        .hero .container { position: relative; z-index: 1; padding: 80px 0; }
        .hero-content { max-width: 680px; }
        .hero-badge { margin-bottom: 16px; }
        .hero h1 { color: var(--text-white); font-size: 3.2rem; margin-bottom: 20px; font-weight: 900; line-height: 1.15; }
        .hero h1 span { color: var(--primary); }
        .hero p { color: rgba(255,255,255,0.8); font-size: 1.15rem; max-width: 520px; margin-bottom: 32px; line-height: 1.7; }
        .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero-stats {
            display: flex;
            gap: 48px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.15);
        }
        .hero-stat h3 { color: var(--text-white); font-size: 1.8rem; font-weight: 800; }
        .hero-stat p { color: rgba(255,255,255,0.6); font-size: 0.85rem; margin-bottom: 0; }

        /* ===== Features / 核心说明 ===== */
        .features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
        .feature-card {
            background: var(--bg-alt);
            padding: 32px 24px;
            border-radius: var(--radius);
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .feature-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .feature-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: var(--primary-bg);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.4rem;
        }
        .feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
        .feature-card p { font-size: 0.9rem; margin-bottom: 0; }

        /* ===== Category / 分类入口 ===== */
        .category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 16/9;
            display: flex;
            align-items: flex-end;
            background: var(--secondary);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .category-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.6; transition: var(--transition); }
        .category-card:hover img { opacity: 0.4; transform: scale(1.05); }
        .category-overlay {
            position: relative;
            z-index: 1;
            padding: 28px 24px;
            width: 100%;
            background: linear-gradient(transparent, rgba(0,0,0,0.7));
        }
        .category-overlay h3 { color: var(--text-white); font-size: 1.2rem; margin-bottom: 4px; }
        .category-overlay p { color: rgba(255,255,255,0.7); font-size: 0.85rem; margin-bottom: 0; }
        .category-overlay .tag { background: rgba(255,255,255,0.15); color: var(--text-white); border-color: rgba(255,255,255,0.2); }

        /* ===== CMS List / 最新资讯 ===== */
        .cms-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
        .cms-card .card-body { padding: 18px 20px; }
        .cms-card .badge { margin-bottom: 8px; }
        .cms-card .card-title { font-size: 1rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .cms-card .card-text { font-size: 0.85rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .cms-meta { display: flex; align-items: center; gap: 12px; margin-top: 12px; font-size: 0.8rem; color: var(--text-light); }
        .cms-meta i { margin-right: 4px; }
        .cms-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            background: var(--bg-alt);
            border-radius: var(--radius);
            color: var(--text-light);
        }
        .cms-empty i { font-size: 2.4rem; margin-bottom: 12px; color: var(--border); }

        /* ===== Data / 数据板块 ===== */
        .data-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
        .data-card {
            background: var(--bg-alt);
            padding: 32px 20px;
            border-radius: var(--radius);
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .data-number { font-size: 2.4rem; font-weight: 900; color: var(--primary); line-height: 1.1; margin-bottom: 4px; }
        .data-label { font-size: 0.9rem; color: var(--text-light); }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-question i { color: var(--primary); transition: var(--transition); font-size: 0.9rem; }
        .faq-question.active i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-light);
            display: none;
        }
        .faq-answer p { margin-bottom: 0; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 80px 0;
            text-align: center;
        }
        .cta-section h2 { color: var(--text-white); font-size: 2.2rem; margin-bottom: 12px; }
        .cta-section p { color: rgba(255,255,255,0.85); max-width: 540px; margin: 0 auto 32px; font-size: 1.05rem; }
        .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        /* ===== Footer ===== */
        .footer {
            background: var(--secondary);
            color: rgba(255,255,255,0.7);
            padding: 48px 0 24px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--gap-lg); margin-bottom: 32px; }
        .footer-brand .logo { color: var(--text-white); margin-bottom: 12px; }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.5); margin-bottom: 20px; max-width: 300px; }
        .footer-socials { display: flex; gap: 12px; }
        .footer-socials a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.6);
            transition: var(--transition);
        }
        .footer-socials a:hover { background: var(--primary); color: var(--text-white); }
        .footer h4 { color: var(--text-white); font-size: 1rem; margin-bottom: 16px; }
        .footer ul li { margin-bottom: 10px; }
        .footer ul a { font-size: 0.9rem; color: rgba(255,255,255,0.5); }
        .footer ul a:hover { color: var(--primary); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.35);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .cms-grid { grid-template-columns: repeat(2, 1fr); }
            .data-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
            .hero h1 { font-size: 2.6rem; }
        }

        @media (max-width: 768px) {
            .nav { display: none; }
            .mobile-toggle { display: block; }
            .header-actions .btn { display: none; }
            .search-box { display: none; }
            .hero { min-height: 70vh; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .hero-stats { gap: 24px; flex-wrap: wrap; }
            .hero-stat h3 { font-size: 1.4rem; }
            .section { padding: 48px 0; }
            .section-title { font-size: 1.6rem; }
            .features-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .cms-grid { grid-template-columns: 1fr; }
            .data-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .cta-section h2 { font-size: 1.6rem; }
            .hero-actions .btn { flex: 1; text-align: center; }
            .mobile-menu-open .nav {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--bg-alt);
                padding: 20px var(--gap);
                box-shadow: var(--shadow-hover);
                border-bottom: 2px solid var(--border);
                gap: 16px;
                align-items: flex-start;
            }
            .mobile-menu-open .search-box { display: flex; width: 100%; }
            .mobile-menu-open .search-box input { width: 100%; }
            .mobile-menu-open .header-actions .btn { display: flex; }
        }

        @media (max-width: 520px) {
            .hero h1 { font-size: 1.6rem; }
            .hero-stats { flex-direction: column; gap: 16px; }
            .hero-stat { text-align: center; }
            .btn-lg { padding: 14px 28px; font-size: 1rem; }
        }

        /* ===== Mobile nav toggle JS (inline) ===== */
        .mobile-menu-open .nav { display: flex; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #E85D04;
            --primary-light: #F48C2A;
            --primary-dark: #C24F00;
            --primary-bg: #FFF3E9;
            --secondary: #1A3A5C;
            --secondary-light: #2D5A8A;
            --accent: #FFB703;
            --success: #2D9F4A;
            --bg: #FFFFFF;
            --bg-alt: #F7F8FA;
            --bg-card: #FFFFFF;
            --text: #1D1D1F;
            --text-weak: #6E6E73;
            --text-light: #A1A1A6;
            --border: #E5E5EA;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-btn: 0 4px 14px rgba(232, 93, 4, 0.35);
            --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            padding-top: var(--header-height);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }

        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;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: box-shadow var(--transition);
        }
        .header.scrolled {
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.08);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
        }
        .logo span {
            color: var(--primary);
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav a {
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-weak);
            transition: all var(--transition);
            position: relative;
        }
        .nav a:hover {
            color: var(--text);
            background: var(--bg-alt);
        }
        .nav a.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }
        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border-radius: 24px;
            padding: 0 16px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary-light);
            background: var(--bg);
            box-shadow: 0 0 0 4px rgba(232, 93, 4, 0.08);
        }
        .search-box input {
            border: none;
            background: transparent;
            padding: 8px 10px;
            font-size: 14px;
            color: var(--text);
            width: 140px;
            outline: none;
        }
        .search-box input::placeholder {
            color: var(--text-light);
        }
        .search-box button {
            color: var(--text-weak);
            font-size: 14px;
            padding: 6px 4px;
            transition: color var(--transition);
        }
        .search-box button:hover {
            color: var(--primary);
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 10px 24px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            box-shadow: var(--shadow-btn);
            white-space: nowrap;
        }
        .btn-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 93, 4, 0.40);
        }
        .btn-cta:active {
            transform: translateY(0);
        }

        .menu-toggle {
            display: none;
            font-size: 22px;
            color: var(--text);
            padding: 8px;
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .menu-toggle:hover {
            background: var(--border);
        }

        /* ===== Hero / Banner ===== */
        .banner {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--secondary) 0%, #0F2A44 100%);
            overflow: hidden;
            padding: 60px 0;
        }
        .banner-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 58, 92, 0.92) 0%, rgba(15, 42, 68, 0.88) 100%);
        }
        .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
        }
        .banner-content .tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 6px 20px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .banner-content h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }
        .banner-content p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.80);
            line-height: 1.7;
            max-width: 640px;
            margin: 0 auto 24px;
        }
        .banner-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .banner-stats .stat {
            text-align: center;
            color: #fff;
        }
        .banner-stats .stat .num {
            font-size: 32px;
            font-weight: 800;
            display: block;
            line-height: 1.2;
        }
        .banner-stats .stat .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 400;
        }

        /* ===== Section通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }
        .section-title p {
            font-size: 16px;
            color: var(--text-weak);
            max-width: 560px;
            margin: 0 auto;
        }
        .section-title .subtitle {
            display: inline-block;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 2px;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        /* ===== 分类卡片网格 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .cat-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .cat-card .card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .cat-card .card-img .cat-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 16px;
        }
        .cat-card .card-body {
            padding: 20px 20px 24px;
        }
        .cat-card .card-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        .cat-card .card-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .cat-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-light);
        }
        .cat-card .card-meta i {
            margin-right: 4px;
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 20px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .news-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .news-item .ni-img {
            width: 120px;
            min-height: 90px;
            border-radius: var(--radius-sm);
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }
        .news-item .ni-content {
            flex: 1;
        }
        .news-item .ni-content .ni-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-bg);
            padding: 2px 12px;
            border-radius: 12px;
            margin-bottom: 6px;
        }
        .news-item .ni-content h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-item .ni-content p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .ni-content .ni-date {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== 数据/统计区块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .stat-card .stat-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: var(--primary-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
        }
        .stat-card .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .stat-card .stat-label {
            font-size: 15px;
            color: var(--text-weak);
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            transition: background var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            background: var(--bg-alt);
        }
        .faq-question i {
            color: var(--primary);
            font-size: 14px;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #0F2A44 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .btn-primary {
            background: var(--primary);
            color: #fff;
            padding: 14px 36px;
            border-radius: 28px;
            font-size: 16px;
            font-weight: 600;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition);
        }
        .cta-section .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 93, 4, 0.45);
        }
        .cta-section .btn-secondary {
            background: rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 14px 36px;
            border-radius: 28px;
            font-size: 16px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.20);
            transition: all var(--transition);
        }
        .cta-section .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.20);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.80);
            padding: 60px 0 0;
        }
        .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 {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 340px;
        }
        .footer-socials {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }
        .footer-socials a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.60);
            font-size: 18px;
            transition: all var(--transition);
        }
        .footer-socials a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: rgba(255, 255, 255, 0.50);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.30);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.30);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .banner-content h1 {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            .nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
            }
            .nav.open {
                display: flex;
            }
            .nav a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav a.active::after {
                display: none;
            }
            .nav a.active {
                background: var(--primary-bg);
            }

            .menu-toggle {
                display: block;
            }

            .search-box {
                display: none;
            }
            .header-actions .btn-cta {
                padding: 8px 16px;
                font-size: 13px;
            }

            .banner {
                min-height: 260px;
                padding: 48px 0;
            }
            .banner-content h1 {
                font-size: 28px;
            }
            .banner-content p {
                font-size: 16px;
            }
            .banner-stats {
                gap: 24px;
            }
            .banner-stats .stat .num {
                font-size: 26px;
            }

            .section {
                padding: 56px 0;
            }
            .section-title h2 {
                font-size: 26px;
            }

            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .news-list {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
                padding: 16px;
            }
            .news-item .ni-img {
                width: 100%;
                height: 160px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-card {
                padding: 24px 16px;
            }
            .stat-card .stat-num {
                font-size: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand p {
                max-width: 100%;
            }

            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section .btn-group {
                flex-direction: column;
                align-items: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .banner-content h1 {
                font-size: 24px;
            }
            .banner-stats .stat .num {
                font-size: 22px;
            }
            .section-title h2 {
                font-size: 22px;
            }
            .header-actions .btn-cta {
                padding: 6px 14px;
                font-size: 12px;
                gap: 4px;
            }
            .header-actions .btn-cta i {
                display: none;
            }
            .logo {
                font-size: 18px;
            }
            .logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #D43A2A;
            --primary-dark: #B32E1F;
            --primary-light: #FDE8E5;
            --secondary: #1E293B;
            --secondary-light: #334155;
            --accent: #F59E0B;
            --accent-light: #FEF3C7;
            --bg: #F8FAFC;
            --bg-card: #FFFFFF;
            --bg-dark: #0F172A;
            --text: #1E293B;
            --text-light: #64748B;
            --text-white: #F1F5F9;
            --border: #E2E8F0;
            --border-light: #F1F5F9;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 40px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        button { cursor: pointer; font-family: inherit; border: none; background: none; }
        input, textarea { font-family: inherit; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header & Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 8px rgba(0,0,0,0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            white-space: nowrap;
        }
        .logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
        }
        .logo span { color: var(--primary); }
        .nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 15px;
            color: var(--text-light);
            transition: all var(--transition);
            position: relative;
        }
        .nav a:hover { color: var(--primary); background: var(--primary-light); }
        .nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 0 16px;
            transition: all var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(212,58,42,0.12);
        }
        .search-box input {
            border: none;
            background: transparent;
            padding: 8px 0;
            font-size: 14px;
            width: 140px;
            color: var(--text);
        }
        .search-box input::placeholder { color: var(--text-light); }
        .search-box button { color: var(--text-light); padding: 8px; font-size: 15px; }
        .search-box button:hover { color: var(--primary); }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff !important;
            box-shadow: 0 4px 14px rgba(212,58,42,0.30);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212,58,42,0.40);
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: #1E293B !important;
            box-shadow: 0 4px 14px rgba(245,158,11,0.30);
        }
        .btn-accent:hover {
            background: #E68906;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245,158,11,0.40);
        }
        .btn-sm { padding: 7px 18px; font-size: 13px; border-radius: 20px; }
        .menu-toggle {
            display: none;
            font-size: 24px;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        .menu-toggle:hover { background: var(--bg); }

        /* ===== 移动端导航 ===== */
        @media (max-width: 920px) {
            .nav { display: none; }
            .header-actions .search-box { display: none; }
            .menu-toggle { display: block; }
            .nav.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--border);
                padding: 12px 24px 20px;
                box-shadow: var(--shadow-md);
                gap: 2px;
            }
            .nav.open a { padding: 12px 16px; font-size: 16px; border-radius: var(--radius-sm); }
            .nav.open a.active::after { display: none; }
            .header-actions .btn { display: none; }
            .header-actions .search-box.mobile-show {
                display: flex;
                position: absolute;
                top: calc(var(--header-h) + 160px);
                left: 24px;
                right: 24px;
                width: auto;
            }
        }
        @media (max-width: 520px) {
            .logo { font-size: 18px; }
            .logo .logo-icon { width: 30px; height: 30px; font-size: 14px; }
            .container { padding: 0 16px; }
        }

        /* ===== 文章 Hero ===== */
        .article-hero {
            margin-top: var(--header-h);
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(15,23,42,0.60) 60%, rgba(212,58,42,0.25) 100%);
            z-index: 1;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255,255,255,0.6);
            font-size: 14px;
            margin-bottom: 20px;
        }
        .article-hero .breadcrumb a { color: rgba(255,255,255,0.7); }
        .article-hero .breadcrumb a:hover { color: #fff; }
        .article-hero .breadcrumb .sep { color: rgba(255,255,255,0.3); }
        .article-hero .cat-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .article-hero h1 {
            font-size: clamp(26px, 4.2vw, 52px);
            color: #fff;
            max-width: 860px;
            line-height: 1.25;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .article-hero .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: rgba(255,255,255,0.75);
            font-size: 14px;
        }
        .article-hero .meta span { display: flex; align-items: center; gap: 6px; }
        .article-hero .meta i { opacity: 0.7; }
        @media (max-width: 768px) {
            .article-hero { min-height: 280px; }
            .article-hero .container { padding-top: 32px; padding-bottom: 32px; }
            .article-hero .meta { gap: 12px; font-size: 13px; }
        }

        /* ===== 文章正文 ===== */
        .article-section {
            padding: 48px 0 60px;
            background: #fff;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
        }
        .article-main .content {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text);
        }
        .article-main .content p { margin-bottom: 1.4em; }
        .article-main .content h2, 
        .article-main .content h3 { margin-top: 1.8em; margin-bottom: 0.8em; }
        .article-main .content h2 { font-size: 26px; }
        .article-main .content h3 { font-size: 20px; }
        .article-main .content img {
            border-radius: var(--radius);
            margin: 1.6em 0;
            box-shadow: var(--shadow);
            width: 100%;
        }
        .article-main .content blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            background: var(--primary-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.6em 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-main .content ul, 
        .article-main .content ol {
            padding-left: 24px;
            margin: 1.2em 0;
        }
        .article-main .content li { margin-bottom: 0.5em; }
        .article-main .content ul li { list-style: disc; }
        .article-main .content ol li { list-style: decimal; }
        .article-main .content a { color: var(--primary); border-bottom: 1px solid transparent; }
        .article-main .content a:hover { border-bottom-color: var(--primary); }
        .article-main .content code {
            background: var(--bg);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
        }
        .article-main .content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6em 0;
        }
        .article-main .content th, 
        .article-main .content td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }
        .article-main .content th { background: var(--bg); font-weight: 600; }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags .tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 20px;
            background: var(--bg);
            color: var(--text-light);
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid var(--border);
        }
        .article-tags .tag:hover { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }
        .article-share span { font-size: 14px; color: var(--text-light); }
        .article-share a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg);
            color: var(--text-light);
            font-size: 16px;
            transition: all var(--transition);
            border: 1px solid var(--border);
        }
        .article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 18px;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i { color: var(--primary); }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 14px;
            color: var(--text);
            transition: all var(--transition);
        }
        .sidebar-list a:hover { color: var(--primary); }
        .sidebar-list a span { color: var(--text-light); font-size: 13px; }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
            border: none;
        }
        .sidebar-cta h4 { color: #fff; font-size: 20px; margin-bottom: 8px; }
        .sidebar-cta p { font-size: 14px; opacity: 0.9; margin-bottom: 20px; }
        .sidebar-cta .btn { background: #fff; color: var(--primary) !important; }
        .sidebar-cta .btn:hover { background: var(--accent); color: var(--text) !important; }

        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; gap: 40px; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        }
        @media (max-width: 640px) {
            .article-sidebar { grid-template-columns: 1fr; }
            .article-section { padding: 32px 0; }
        }

        /* ===== NotFound ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
        }
        .not-found-box .icon {
            font-size: 64px;
            color: var(--text-light);
            margin-bottom: 24px;
            opacity: 0.4;
        }
        .not-found-box h2 { font-size: 28px; margin-bottom: 12px; }
        .not-found-box p { color: var(--text-light); margin-bottom: 28px; }
        .not-found-box .btn { display: inline-flex; }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 60px 0;
            background: var(--bg);
        }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .related-section .section-title h2 {
            font-size: 28px;
            position: relative;
            display: inline-block;
        }
        .related-section .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .card-body {
            padding: 16px 18px 20px;
        }
        .related-card .card-body .cat {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .related-card .card-body h4 {
            font-size: 16px;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body p {
            font-size: 13px;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body .time {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 10px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .related-grid { grid-template-columns: 1fr; }
            .related-section { padding: 40px 0; }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0;
            background: #fff;
        }
        .faq-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .faq-section .section-title h2 {
            font-size: 28px;
        }
        .faq-section .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--primary); }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            background: var(--bg);
            transition: background var(--transition);
            gap: 12px;
        }
        .faq-question:hover { background: var(--primary-light); }
        .faq-question i { color: var(--primary); transition: transform var(--transition); font-size: 14px; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition);
            color: var(--text-light);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            padding: 0 24px 20px;
            max-height: 300px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 60px 0;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(212,58,42,0.30) 100%);
        }
        .cta-section .container { position: relative; z-index: 2; text-align: center; }
        .cta-section h2 {
            color: #fff;
            font-size: clamp(24px, 3.6vw, 40px);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255,255,255,0.8);
            font-size: 17px;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            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;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo { color: #fff; margin-bottom: 16px; }
        .footer-brand .logo span { color: var(--primary); }
        .footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); margin-bottom: 20px; max-width: 360px; }
        .footer-socials { display: flex; gap: 12px; }
        .footer-socials a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.6);
            font-size: 16px;
            transition: all var(--transition);
        }
        .footer-socials a:hover { background: var(--primary); color: #fff; }
        .footer h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 18px;
        }
        .footer ul li { margin-bottom: 10px; }
        .footer ul a {
            font-size: 14px;
            color: rgba(255,255,255,0.55);
            transition: all var(--transition);
        }
        .footer ul a:hover { color: var(--primary); padding-left: 4px; }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.3);
        }
        @media (max-width: 920px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
        }
