/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #1E3A5F;
            --primary-light: #2C5A8C;
            --primary-dark: #12263A;
            --accent: #C9A84C;
            --accent-light: #E0C86A;
            --accent-dark: #A8882E;
            --bg-warm: #F9F8F6;
            --bg-white: #FFFFFF;
            --bg-card: #FFFFFF;
            --bg-dark: #1A2332;
            --text-primary: #1A2332;
            --text-body: #2C3E50;
            --text-muted: #7A8A9E;
            --text-light: #F0F2F5;
            --border-light: #E8ECF0;
            --border-card: #EFF1F4;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.06);
            --shadow-lg: 0 20px 48px rgba(0,0,0,0.08);
            --shadow-xl: 0 32px 64px rgba(0,0,0,0.10);
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
            --topbar-height: 40px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background: var(--bg-warm);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
        button, .button { cursor: pointer; font-family: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 {
            color: var(--text-primary);
            font-weight: 600;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }
        h1 { font-size: 2.75rem; }
        h2 { font-size: 2.125rem; margin-bottom: 0.5rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.25rem; }
        p { margin-bottom: 0.75rem; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .section-pad { padding: 5rem 0; }
        .section-title { text-align: center; margin-bottom: 3rem; }
        .section-title h2 { position: relative; display: inline-block; }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: var(--accent);
            margin: 12px auto 0;
            border-radius: 4px;
        }
        .section-title p { color: var(--text-muted); font-size: 1.1rem; max-width: 640px; margin: 0.75rem auto 0; }
        .text-accent { color: var(--accent); }
        .text-primary { color: var(--primary); }
        .text-muted { color: var(--text-muted); }
        .bg-accent { background: var(--accent); }
        .bg-primary { background: var(--primary); }
        .bg-warm { background: var(--bg-warm); }
        .bg-white { background: var(--bg-white); }
        .bg-dark { background: var(--bg-dark); }

        /* ===== Top Bar ===== */
        .topbar {
            background: var(--primary-dark);
            color: var(--text-light);
            font-size: 0.8125rem;
            height: var(--topbar-height);
            display: flex;
            align-items: center;
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }
        .topbar a { color: var(--accent-light); font-weight: 500; }
        .topbar a:hover { color: #fff; }
        .topbar-left span { opacity: 0.8; }
        .topbar-right { display: flex; gap: 1.25rem; align-items: center; }
        .topbar-right i { margin-right: 4px; }

        /* ===== Navigation ===== */
        .site-header {
            background: var(--bg-white);
            box-shadow: 0 2px 16px rgba(0,0,0,0.04);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
        }
        .site-logo i { color: var(--accent); font-size: 1.6rem; }
        .site-logo span { background: linear-gradient(135deg, var(--primary) 40%, var(--accent) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .site-logo:hover span { background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .main-nav { display: flex; align-items: center; gap: 2rem; }
        .main-nav a {
            color: var(--text-body);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 0;
            position: relative;
            transition: color var(--transition);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .main-nav a:hover { color: var(--primary); }
        .main-nav a:hover::after { width: 100%; }
        .main-nav a.active { color: var(--primary); font-weight: 600; }
        .main-nav a.active::after { width: 100%; }
        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 0.5rem 1.4rem !important;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: all var(--transition);
        }
        .nav-cta::after { display: none !important; }
        .nav-cta:hover { background: var(--primary-light); transform: translateY(-1px); box-shadow: var(--shadow-sm); color: #fff !important; }
        .hamburger { display: none; font-size: 1.6rem; color: var(--primary); cursor: pointer; background: none; border: none; padding: 4px; }

        /* ===== Hero ===== */
        .hero {
            min-height: 86vh;
            display: flex;
            align-items: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,35,50,0.88) 0%, rgba(30,58,95,0.72) 60%, rgba(201,168,76,0.30) 100%);
            z-index: 1;
        }
        .hero .container { position: relative; z-index: 2; width: 100%; }
        .hero-content { max-width: 720px; }
        .hero-badge {
            display: inline-block;
            background: rgba(201,168,76,0.20);
            border: 1px solid rgba(201,168,76,0.35);
            backdrop-filter: blur(4px);
            padding: 0.4rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--accent-light);
            margin-bottom: 1.5rem;
        }
        .hero h1 {
            font-size: 3.25rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 1rem;
        }
        .hero h1 span { color: var(--accent); }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.80);
            max-width: 600px;
            margin-bottom: 2rem;
            line-height: 1.6;
        }
        .hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,168,76,0.35); color: var(--primary-dark); }
        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255,255,255,0.40);
            color: #fff;
        }
        .btn-outline:hover { background: rgba(255,255,255,0.10); border-color: #fff; transform: translateY(-2px); color: #fff; }
        .btn-lg { padding: 1rem 2.4rem; font-size: 1.1rem; }

        /* ===== Features / 核心特色 ===== */
        .features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 2.5rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            transition: all var(--transition);
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
        .feature-icon {
            width: 68px; height: 68px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 1.25rem;
            font-size: 1.8rem;
            color: #fff;
        }
        .feature-card h3 { margin-bottom: 0.5rem; }
        .feature-card p { color: var(--text-muted); font-size: 0.95rem; }

        /* ===== Category Cards / 分类入口 ===== */
        .category-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 2rem; }
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .category-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .category-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
        .category-card:hover .card-img img { transform: scale(1.05); }
        .category-card .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(26,35,50,0.50) 0%, transparent 70%);
        }
        .category-card .card-body { padding: 1.5rem 1.75rem 2rem; flex: 1; display: flex; flex-direction: column; }
        .category-card .card-body h3 { font-size: 1.3rem; margin-bottom: 0.4rem; }
        .category-card .card-body p { color: var(--text-muted); font-size: 0.95rem; flex: 1; }
        .category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 600;
            margin-top: 0.75rem;
            font-size: 0.95rem;
        }
        .category-card .card-link i { transition: transform var(--transition); }
        .category-card:hover .card-link i { transform: translateX(4px); }
        .cat-tag {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 0.2rem 0.9rem;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
        }

        /* ===== Latest Posts / CMS 列表 ===== */
        .posts-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
        .post-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
        .post-card .post-img { height: 180px; overflow: hidden; }
        .post-card .post-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
        .post-card:hover .post-img img { transform: scale(1.03); }
        .post-card .post-body { padding: 1.25rem 1.5rem 1.5rem; flex: 1; display: flex; flex-direction: column; }
        .post-card .post-meta { display: flex; gap: 0.75rem; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.5rem; align-items: center; }
        .post-card .post-meta .cat-badge {
            background: var(--primary);
            color: #fff;
            padding: 0.15rem 0.7rem;
            border-radius: 40px;
            font-size: 0.7rem;
            font-weight: 500;
        }
        .post-card h4 { font-size: 1.1rem; margin-bottom: 0.4rem; }
        .post-card h4 a { color: var(--text-primary); }
        .post-card h4 a:hover { color: var(--accent); }
        .post-card .post-excerpt { color: var(--text-muted); font-size: 0.9rem; flex: 1; }
        .post-card .post-readmore { color: var(--accent); font-weight: 600; font-size: 0.9rem; margin-top: 0.75rem; display: inline-flex; align-items: center; gap: 4px; }
        .empty-posts {
            text-align: center;
            padding: 3rem 2rem;
            color: var(--text-muted);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-light);
            grid-column: 1 / -1;
        }

        /* ===== Stats / 数据统计 ===== */
        .stats-section {
            background: var(--bg-dark);
            color: var(--text-light);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 70%);
        }
        .stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 2rem; position: relative; z-index: 1; }
        .stat-item { text-align: center; padding: 1rem; }
        .stat-number { font-size: 2.8rem; font-weight: 800; color: var(--accent); line-height: 1.1; }
        .stat-label { font-size: 0.95rem; color: rgba(255,255,255,0.65); margin-top: 0.35rem; }

        /* ===== Process / 使用流程 ===== */
        .process-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; position: relative; }
        .process-step { text-align: center; position: relative; }
        .process-step .step-num {
            width: 52px; height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex; align-items: center; justify-content: center;
            font-size: 1.3rem; font-weight: 700;
            margin: 0 auto 1rem;
            position: relative;
            z-index: 2;
        }
        .process-step .step-num.accent { background: var(--accent); color: var(--primary-dark); }
        .process-step h4 { margin-bottom: 0.3rem; font-size: 1.1rem; }
        .process-step p { color: var(--text-muted); font-size: 0.9rem; }
        .process-connector { display: none; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.75rem; }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-card);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
        .faq-question {
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition);
        }
        .faq-question:hover { background: rgba(201,168,76,0.05); }
        .faq-question i { color: var(--accent); transition: transform var(--transition); font-size: 0.9rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            text-align: center;
            padding: 5rem 0;
        }
        .cta-section h2 { color: #fff; margin-bottom: 0.75rem; }
        .cta-section p { color: rgba(255,255,255,0.80); max-width: 560px; margin: 0 auto 2rem; font-size: 1.1rem; }
        .cta-section .btn-primary { background: var(--accent); color: var(--primary-dark); font-size: 1.1rem; padding: 1rem 2.8rem; }
        .cta-section .btn-primary:hover { background: var(--accent-light); box-shadow: 0 8px 32px rgba(201,168,76,0.40); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.70);
            padding: 3.5rem 0 0;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; }
        .footer-brand .site-logo { color: #fff; margin-bottom: 1rem; }
        .footer-brand .site-logo span { -webkit-text-fill-color: #fff; background: none; }
        .footer-brand p { font-size: 0.9rem; max-width: 320px; line-height: 1.7; }
        .footer-col h5 { color: #fff; font-size: 1rem; margin-bottom: 1.25rem; }
        .footer-col ul li { margin-bottom: 0.5rem; }
        .footer-col ul li a { color: rgba(255,255,255,0.60); font-size: 0.9rem; transition: color var(--transition); }
        .footer-col ul li a:hover { color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 1.5rem 0;
            margin-top: 2.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.45);
        }
        .footer-bottom a { color: rgba(255,255,255,0.55); }
        .footer-bottom a:hover { color: var(--accent); }
        .footer-social { display: flex; gap: 1rem; }
        .footer-social a { color: rgba(255,255,255,0.40); font-size: 1.2rem; transition: color var(--transition); }
        .footer-social a:hover { color: var(--accent); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2,1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .hero h1 { font-size: 2.6rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                width: 100%;
                background: var(--bg-white);
                flex-direction: column;
                padding: 1.5rem 2rem 2rem;
                gap: 0.75rem;
                box-shadow: 0 20px 40px rgba(0,0,0,0.08);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
                z-index: 99;
                border-top: 1px solid var(--border-light);
            }
            .main-nav.open { transform: translateY(0); opacity: 1; }
            .main-nav a { font-size: 1.05rem; padding: 0.6rem 0; }
            .nav-cta { text-align: center; margin-top: 0.5rem; }
            .hero { min-height: 70vh; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .features-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .posts-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
            .process-grid { grid-template-columns: repeat(2,1fr); gap: 2rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .section-pad { padding: 3rem 0; }
            .section-title { margin-bottom: 2rem; }
            .hero-actions .btn { width: 100%; justify-content: center; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 1.65rem; }
            .hero p { font-size: 0.95rem; }
            .stat-number { font-size: 2rem; }
            .container { padding: 0 16px; }
            .feature-card { padding: 1.75rem 1.25rem; }
            .category-card .card-body { padding: 1.25rem; }
            .post-card .post-body { padding: 1rem 1.25rem 1.25rem; }
            .btn-lg { padding: 0.8rem 1.8rem; font-size: 1rem; }
            .process-grid { grid-template-columns: 1fr; }
            .topbar-right span { display: none; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .gap-1 { gap: 1rem; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

        /* Foundation overrides */
        .grid-container { max-width: var(--max-width); padding-left: 24px; padding-right: 24px; }
        @media (max-width: 768px) { .grid-container { padding-left: 16px; padding-right: 16px; } }
        .cell { margin-bottom: 0; }
        .grid-x { margin-left: -12px; margin-right: -12px; }
        .grid-x > .cell { padding-left: 12px; padding-right: 12px; }

        /* Focus & accessibility */
        :focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
        .skip-link { position: absolute; top: -100px; left: 0; background: var(--accent); color: var(--primary-dark); padding: 8px 16px; z-index: 200; font-weight: 600; }
        .skip-link:focus { top: 0; }

        /* Smooth reveal animation on scroll (simple) */
        .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
        .reveal.visible { opacity: 1; transform: translateY(0); }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #3a4a8c;
            --primary-dark: #0f1a4a;
            --accent: #e8b830;
            --accent-light: #f0d060;
            --accent-dark: #c9a020;
            --bg-light: #f8f9fc;
            --bg-dark: #0f1a2e;
            --text-dark: #1a1a2e;
            --text-mid: #4a4a5a;
            --text-light: #8a8a9a;
            --text-white: #ffffff;
            --border-light: #e0e4ed;
            --border-mid: #c0c8d8;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
            --topbar-h: 40px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--accent-dark);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-dark);
        }

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

        .section-pad {
            padding: 80px 0;
        }

        .section-pad-sm {
            padding: 48px 0;
        }

        .text-center {
            text-align: center;
        }

        .text-accent {
            color: var(--accent);
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(232, 184, 48, 0.12);
            padding: 4px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-dark);
        }

        .section-sub {
            font-size: 1.1rem;
            color: var(--text-mid);
            max-width: 640px;
            margin: 0 auto 40px auto;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-sub {
                font-size: 1rem;
            }
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 顶部信息条 ===== */
        .topbar {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.8rem;
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px 16px;
        }
        .topbar a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.8rem;
        }
        .topbar a:hover {
            color: var(--accent);
        }
        .topbar .topbar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .topbar .topbar-left i {
            margin-right: 4px;
            color: var(--accent);
        }
        .topbar .topbar-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .topbar .topbar-right .sep {
            opacity: 0.3;
        }
        @media (max-width: 600px) {
            .topbar .container {
                justify-content: center;
                font-size: 0.75rem;
            }
            .topbar .topbar-right {
                display: none;
            }
        }

        /* ===== 主导航 ===== */
        .main-nav {
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-h);
            display: flex;
            align-items: center;
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .main-nav .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
        }
        .main-nav .site-logo i {
            font-size: 1.6rem;
            color: var(--accent);
        }
        .main-nav .site-logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-nav .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-mid);
            transition: var(--transition);
            position: relative;
        }
        .main-nav .nav-links a:hover {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.06);
        }
        .main-nav .nav-links a.active {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.08);
            font-weight: 600;
        }
        .main-nav .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .main-nav .nav-links .nav-cta {
            background: var(--accent);
            color: var(--primary-dark);
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 8px;
        }
        .main-nav .nav-links .nav-cta:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(232, 184, 48, 0.35);
        }
        .main-nav .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
        }
        .main-nav .nav-toggle:hover {
            background: rgba(26, 42, 108, 0.06);
        }
        @media (max-width: 900px) {
            .main-nav .nav-links {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 16px 24px 24px;
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.10);
                border-bottom: 2px solid var(--border-light);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                gap: 4px;
                z-index: 99;
            }
            .main-nav .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 1rem;
            }
            .main-nav .nav-links a.active::after {
                display: none;
            }
            .main-nav .nav-links a.active {
                background: rgba(26, 42, 108, 0.08);
                border-left: 4px solid var(--accent);
            }
            .main-nav .nav-links .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
            }
            .main-nav .nav-toggle {
                display: block;
            }
        }
        @media (max-width: 520px) {
            .main-nav .site-logo {
                font-size: 1.1rem;
            }
            .main-nav .site-logo i {
                font-size: 1.3rem;
            }
        }

        /* ===== 页面横幅 ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 72px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
            min-height: 240px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 80px;
            background: var(--bg-light);
            clip-path: ellipse(70% 100% at 50% 100%);
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
            color: var(--text-white);
        }
        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.20);
        }
        .page-banner .banner-bread {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
        }
        .page-banner .banner-bread a {
            color: rgba(255, 255, 255, 0.8);
        }
        .page-banner .banner-bread a:hover {
            color: var(--accent);
        }
        .page-banner .banner-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 56px 0 48px;
                min-height: 180px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-desc {
                font-size: 1rem;
            }
            .page-banner::after {
                height: 40px;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                padding: 40px 0 36px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
        }

        /* ===== 指南分类导航 ===== */
        .guide-tabs {
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            padding: 16px 0;
            position: sticky;
            top: var(--header-h);
            z-index: 50;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
        }
        .guide-tabs .container {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
        }
        .guide-tabs a {
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-mid);
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .guide-tabs a:hover {
            background: rgba(232, 184, 48, 0.10);
            border-color: var(--accent);
            color: var(--primary);
        }
        .guide-tabs a.active {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(232, 184, 48, 0.25);
        }
        @media (max-width: 600px) {
            .guide-tabs a {
                font-size: 0.8rem;
                padding: 6px 14px;
            }
        }

        /* ===== 文章卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .article-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-mid);
        }
        .article-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            background: var(--border-light);
        }
        .article-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(232, 184, 48, 0.12);
            padding: 2px 12px;
            border-radius: 12px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .article-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .article-card h3 a {
            color: var(--text-dark);
        }
        .article-card h3 a:hover {
            color: var(--primary);
        }
        .article-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--text-mid);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
            margin-top: auto;
        }
        .article-card .card-meta a {
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .article-card .card-meta a:hover {
            color: var(--accent-dark);
        }
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 600px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .article-card .card-img {
                height: 180px;
            }
            .article-card .card-body {
                padding: 16px 18px 18px;
            }
            .article-card h3 {
                font-size: 1.05rem;
            }
        }

        /* ===== 使用流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .step-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }
        .step-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .step-item .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #ffffff;
            font-size: 1.3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 12px rgba(26, 42, 108, 0.20);
        }
        .step-item .step-num::before {
            counter-increment: step;
            content: counter(step);
        }
        .step-item:nth-child(1) .step-num {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .step-item:nth-child(2) .step-num {
            background: #4a90d9;
        }
        .step-item:nth-child(3) .step-num {
            background: #50b8a0;
        }
        .step-item:nth-child(4) .step-num {
            background: #d97a4a;
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-mid);
            line-height: 1.7;
        }
        @media (max-width: 900px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .step-item {
                padding: 24px 18px 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--border-mid);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            transition: var(--transition);
            background: #ffffff;
        }
        .faq-item .faq-q:hover {
            background: var(--bg-light);
        }
        .faq-item .faq-q i {
            transition: var(--transition);
            color: var(--text-light);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .faq-item .faq-q.open i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-item .faq-a {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.8;
            display: none;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }
        .faq-item .faq-a.open {
            display: block;
        }
        @media (max-width: 600px) {
            .faq-item .faq-q {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-item .faq-a {
                padding: 0 16px 14px;
                font-size: 0.9rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #ffffff;
            text-align: center;
            padding: 72px 0;
            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: 2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .cta-section .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-section .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 16px rgba(232, 184, 48, 0.30);
        }
        .cta-section .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 184, 48, 0.40);
        }
        .cta-section .btn-outline {
            background: transparent;
            color: #ffffff;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid rgba(255, 255, 255, 0.40);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .btn-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
            .cta-section .btn-primary,
            .cta-section .btn-outline {
                padding: 12px 28px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .footer-brand .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand .site-logo i {
            font-size: 1.4rem;
            color: var(--accent);
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .site-footer .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.83rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
        }
        .site-footer .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            font-size: 1rem;
        }
        .site-footer .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        @media (max-width: 900px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 36px 0 0;
            }
        }

        /* ===== 分页 ===== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .pagination-wrap a,
        .pagination-wrap span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid var(--border-light);
            background: #ffffff;
            color: var(--text-mid);
            transition: var(--transition);
        }
        .pagination-wrap a:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: rgba(232, 184, 48, 0.06);
        }
        .pagination-wrap .current {
            background: var(--primary);
            border-color: var(--primary);
            color: #ffffff;
            font-weight: 600;
        }
        .pagination-wrap .disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ===== 滚动动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== Foundation 覆盖 ===== */
        .grid-container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        .button {
            transition: var(--transition);
        }
        .button:hover {
            transform: translateY(-1px);
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --accent: #c9a84c;
            --accent-light: #dfc06a;
            --accent-dark: #a88830;
            --bg-body: #f8f7f4;
            --bg-card: #ffffff;
            --bg-section-alt: #f0eee9;
            --bg-dark: #1a2a3a;
            --text-main: #2d2a24;
            --text-light: #6b6560;
            --text-white: #fefefe;
            --border-color: #e0ddd6;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --container-width: 1200px;
            --header-top-h: 40px;
            --header-main-h: 70px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        .container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; width: 100%; }

        /* ===== Typography ===== */
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--primary); margin-bottom: 0.5em; }
        h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
        h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
        h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
        h4 { font-size: 1.2rem; }
        h5 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-light); }
        p { margin-bottom: 1em; }
        .section-title { text-align: center; margin-bottom: 2.5rem; }
        .section-title h2 { position: relative; display: inline-block; }
        .section-title h2::after { content: ''; display: block; width: 60px; height: 4px; background: var(--accent); border-radius: 4px; margin: 12px auto 0; }
        .section-title p { color: var(--text-light); max-width: 600px; margin: 0.8rem auto 0; font-size: 1.05rem; }

        /* ===== Top Bar ===== */
        .top-bar {
            background: var(--primary-dark);
            color: var(--text-white);
            font-size: 0.85rem;
            height: var(--header-top-h);
            display: flex;
            align-items: center;
        }
        .top-bar .container { display: flex; justify-content: space-between; align-items: center; }
        .top-bar span { opacity: 0.85; }
        .top-bar a { color: var(--accent-light); }
        .top-bar a:hover { color: #fff; }

        /* ===== Header Main ===== */
        .header-main {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            position: sticky; top: 0; z-index: 100;
            height: var(--header-main-h);
        }
        .header-main .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
        .site-logo { display: flex; align-items: center; gap: 10px; font-size: 1.4rem; font-weight: 800; color: var(--primary); }
        .site-logo i { font-size: 1.6rem; color: var(--accent); }
        .site-logo span { letter-spacing: 0.02em; }

        /* ===== Navigation ===== */
        .main-nav { display: flex; align-items: center; gap: 6px; }
        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover { background: rgba(26,58,92,0.06); color: var(--primary); }
        .main-nav a.active { background: var(--primary); color: #fff; }
        .main-nav a.active:hover { background: var(--primary-light); }
        .main-nav a.nav-cta {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 8px 22px;
            border-radius: 50px;
            display: flex; align-items: center; gap: 8px;
        }
        .main-nav a.nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: var(--shadow-md); }
        .mobile-toggle { display: none; background: none; border: 2px solid var(--border-color); border-radius: var(--radius-sm); padding: 8px 14px; font-size: 1.3rem; color: var(--primary); cursor: pointer; }

        /* ===== Article Banner ===== */
        .article-banner {
            position: relative;
            padding: 80px 0 60px;
            background: var(--primary-dark) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: var(--text-white);
            text-align: center;
            isolation: isolate;
        }
        .article-banner::before {
            content: '';
            position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(15,36,64,0.85) 0%, rgba(26,58,92,0.70) 100%);
            z-index: 0;
        }
        .article-banner .container { position: relative; z-index: 1; }
        .article-banner .post-cat {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .article-banner h1 { color: #fff; font-size: clamp(1.6rem, 4vw, 2.8rem); max-width: 800px; margin: 0 auto 16px; }
        .article-banner .post-meta { color: rgba(255,255,255,0.75); font-size: 0.95rem; display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }
        .article-banner .post-meta i { margin-right: 6px; color: var(--accent); }

        /* ===== Article Content ===== */
        .article-section { padding: 60px 0; }
        .article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
        .article-body { background: var(--bg-card); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: 40px; }
        .article-body .content { font-size: 1.05rem; line-height: 1.9; color: var(--text-main); }
        .article-body .content p { margin-bottom: 1.4em; }
        .article-body .content img { border-radius: var(--radius-md); margin: 1.5em 0; box-shadow: var(--shadow-sm); }
        .article-body .content h2, .article-body .content h3 { margin-top: 1.5em; }
        .article-body .content ul, .article-body .content ol { margin: 1em 0; padding-left: 1.5em; list-style: disc; }
        .article-body .content li { margin-bottom: 0.5em; }
        .article-body .content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-section-alt);
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-body .content a { color: var(--accent-dark); text-decoration: underline; }

        /* ===== Article Footer ===== */
        .article-footer { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
        .article-tags { display: flex; gap: 8px; flex-wrap: wrap; }
        .article-tags .tag { background: var(--bg-section-alt); padding: 4px 14px; border-radius: 50px; font-size: 0.85rem; color: var(--text-light); transition: var(--transition); }
        .article-tags .tag:hover { background: var(--accent); color: var(--primary-dark); }
        .article-share { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; color: var(--text-light); }
        .article-share a { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: var(--bg-section-alt); color: var(--text-main); transition: var(--transition); }
        .article-share a:hover { background: var(--accent); color: var(--primary-dark); transform: translateY(-2px); }

        /* ===== Sidebar ===== */
        .article-sidebar { display: flex; flex-direction: column; gap: 32px; }
        .sidebar-card { background: var(--bg-card); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: 28px 24px; }
        .sidebar-card h4 { font-size: 1.1rem; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--accent); }
        .sidebar-cat-list li { margin-bottom: 8px; }
        .sidebar-cat-list a {
            display: flex; align-items: center; justify-content: space-between;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            background: var(--bg-body);
            transition: var(--transition);
            font-weight: 500;
        }
        .sidebar-cat-list a:hover { background: var(--accent); color: var(--primary-dark); transform: translateX(4px); }
        .sidebar-cat-list a span { background: var(--primary); color: #fff; font-size: 0.75rem; padding: 2px 10px; border-radius: 50px; }
        .sidebar-feature { display: flex; gap: 12px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--border-color); }
        .sidebar-feature:last-child { border-bottom: none; }
        .sidebar-feature i { font-size: 1.4rem; color: var(--accent); width: 40px; text-align: center; }
        .sidebar-feature div { flex: 1; }
        .sidebar-feature strong { display: block; font-size: 0.95rem; color: var(--primary); }
        .sidebar-feature small { color: var(--text-light); font-size: 0.82rem; }

        /* ===== Related Posts ===== */
        .related-section { padding: 60px 0; background: var(--bg-section-alt); }
        .related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 28px; }
        .related-card { background: var(--bg-card); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); overflow: hidden; transition: var(--transition); }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .related-card .card-img { height: 180px; background: var(--primary-light) url('/assets/images/coverpic/cover-6.png') center/cover no-repeat; position: relative; }
        .related-card .card-img .cat-tag { position: absolute; top: 12px; left: 12px; background: var(--accent); color: var(--primary-dark); font-size: 0.75rem; font-weight: 700; padding: 2px 12px; border-radius: 50px; }
        .related-card .card-body { padding: 20px 20px 24px; }
        .related-card .card-body h3 { font-size: 1.05rem; margin-bottom: 8px; }
        .related-card .card-body h3 a { color: var(--primary); }
        .related-card .card-body h3 a:hover { color: var(--accent); }
        .related-card .card-body p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 12px; }
        .related-card .card-body .meta { font-size: 0.82rem; color: var(--text-light); display: flex; gap: 16px; }

        /* ===== CTA ===== */
        .cta-section { padding: 80px 0; background: var(--primary-dark) url('/assets/images/backpic/back-3.png') center/cover no-repeat; text-align: center; isolation: isolate; position: relative; }
        .cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(15,36,64,0.82); z-index: 0; }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto 32px; font-size: 1.05rem; }
        .cta-btn { display: inline-flex; align-items: center; gap: 10px; background: var(--accent); color: var(--primary-dark); font-weight: 700; font-size: 1.1rem; padding: 16px 40px; border-radius: 50px; transition: var(--transition); border: none; cursor: pointer; }
        .cta-btn:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(201,168,76,0.35); color: var(--primary-dark); }

        /* ===== Footer ===== */
        .site-footer { background: var(--primary-dark); color: rgba(255,255,255,0.75); padding: 60px 0 0; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.10); }
        .footer-brand .site-logo { color: #fff; margin-bottom: 16px; }
        .footer-brand .site-logo i { color: var(--accent); }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; opacity: 0.7; max-width: 320px; }
        .footer-col h5 { color: #fff; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 18px; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a { color: rgba(255,255,255,0.65); font-size: 0.9rem; transition: var(--transition); }
        .footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 24px 0; flex-wrap: wrap; gap: 16px; font-size: 0.85rem; }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.6); transition: var(--transition); font-size: 1.1rem; }
        .footer-social a:hover { background: var(--accent); color: var(--primary-dark); transform: translateY(-2px); }

        /* ===== Breadcrumb ===== */
        .breadcrumb { padding: 16px 0; background: var(--bg-body); border-bottom: 1px solid var(--border-color); font-size: 0.9rem; color: var(--text-light); }
        .breadcrumb a { color: var(--primary-light); }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb span { margin: 0 8px; }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media screen and (max-width: 768px) {
            .main-nav { display: none; position: absolute; top: var(--header-main-h); left: 0; right: 0; background: var(--bg-card); flex-direction: column; padding: 16px 24px; box-shadow: var(--shadow-lg); border-bottom: 2px solid var(--border-color); gap: 4px; }
            .main-nav.open { display: flex; }
            .main-nav a { width: 100%; padding: 12px 16px; border-radius: var(--radius-sm); }
            .main-nav a.nav-cta { justify-content: center; }
            .mobile-toggle { display: block; }
            .article-banner { padding: 50px 0 36px; }
            .article-body { padding: 24px 20px; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .related-grid { grid-template-columns: 1fr; }
        }
        @media screen and (max-width: 520px) {
            .container { padding: 0 16px; }
            .top-bar .container { flex-direction: column; gap: 2px; font-size: 0.75rem; }
            .article-banner h1 { font-size: 1.4rem; }
            .article-banner .post-meta { gap: 12px; font-size: 0.82rem; flex-direction: column; align-items: center; }
            .article-footer { flex-direction: column; align-items: flex-start; }
            .cta-section { padding: 50px 0; }
            .cta-btn { padding: 14px 28px; font-size: 1rem; width: 100%; justify-content: center; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .gap-1 { gap: 1rem; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .not-found { text-align: center; padding: 80px 20px; }
        .not-found i { font-size: 4rem; color: var(--accent); margin-bottom: 24px; }
        .not-found h2 { color: var(--primary); margin-bottom: 16px; }
        .not-found p { color: var(--text-light); max-width: 400px; margin: 0 auto 24px; }
        .not-found .btn-back { display: inline-flex; align-items: center; gap: 8px; background: var(--primary); color: #fff; padding: 12px 32px; border-radius: 50px; font-weight: 600; transition: var(--transition); }
        .not-found .btn-back:hover { background: var(--accent); color: var(--primary-dark); transform: translateY(-2px); }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0e1a42;
            --accent: #f0c040;
            --accent-light: #f5d870;
            --accent-dark: #d4a828;
            --bg-light: #f8f9fc;
            --bg-dark: #0e1a42;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #3d3d5c;
            --text-light: #6b6b8a;
            --text-white: #ffffff;
            --border-color: #e2e6ef;
            --border-light: #f0f2f7;
            --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 6px 24px rgba(0,0,0,0.07);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.14);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-top-bg: #f5f6fa;
            --nav-bg: rgba(255,255,255,0.96);
            --footer-bg: #0e1a42;
            --footer-text: #b0b8d0;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        .button {
            font-family: var(--font-sans);
            cursor: pointer;
            transition: all var(--transition);
        }
        button:focus-visible,
        .button:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            line-height: 1.25;
            font-weight: 700;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.2rem;
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            text-align: center;
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto 48px;
            line-height: 1.6;
        }
        .text-center {
            text-align: center;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== 顶部信息条 ===== */
        .header-top {
            background: var(--header-top-bg);
            border-bottom: 1px solid var(--border-light);
            padding: 6px 0;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .header-top a {
            color: var(--text-light);
            font-size: 0.85rem;
        }
        .header-top a:hover {
            color: var(--primary);
        }
        .header-top .top-left span {
            margin-right: 18px;
        }
        .header-top .top-left i {
            margin-right: 4px;
            color: var(--accent-dark);
        }
        .header-top .top-right a {
            margin-left: 14px;
        }
        .header-top .top-right i {
            margin-right: 4px;
        }

        /* ===== 主导航 ===== */
        .main-nav {
            background: var(--nav-bg);
            border-bottom: 1px solid var(--border-color);
            padding: 0 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 1px 4px rgba(0,0,0,0.03);
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
        }
        .site-logo i {
            font-size: 1.6rem;
            color: var(--accent);
        }
        .site-logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.05);
        }
        .nav-links a.active {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.08);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .nav-links .nav-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary-dark) !important;
            padding: 8px 22px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 2px 12px rgba(240, 192, 64, 0.35);
            margin-left: 10px;
        }
        .nav-links .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(240, 192, 64, 0.45);
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
        }
        .nav-links .nav-cta i {
            margin-right: 6px;
            font-size: 0.8rem;
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            cursor: pointer;
        }
        .menu-toggle:focus-visible {
            outline: 3px solid var(--accent);
        }

        /* ===== Banner / 分类首屏 ===== */
        .category-banner {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg-light), transparent);
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-banner h1 {
            font-size: 3rem;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0,0,0,0.20);
        }
        .category-banner p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.85);
            max-width: 700px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .category-banner .banner-meta {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            color: rgba(255,255,255,0.75);
            font-size: 0.95rem;
        }
        .category-banner .banner-meta i {
            margin-right: 6px;
            color: var(--accent);
        }

        /* ===== 分类介绍 ===== */
        .intro-block {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            box-shadow: var(--shadow-md);
            margin-top: -40px;
            position: relative;
            z-index: 3;
            border: 1px solid var(--border-light);
        }
        .intro-block h2 {
            font-size: 1.6rem;
            margin-bottom: 16px;
            color: var(--primary);
        }
        .intro-block p {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-body);
            max-width: 800px;
        }

        /* ===== 资讯卡片网格 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 20px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .news-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }
        .news-card .card-body {
            padding: 24px 22px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-tag {
            display: inline-block;
            background: rgba(240, 192, 64, 0.15);
            color: var(--accent-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 30px;
            margin-bottom: 10px;
            align-self: flex-start;
            letter-spacing: 0.02em;
        }
        .news-card .card-tag.tag-blue {
            background: rgba(26, 42, 108, 0.08);
            color: var(--primary);
        }
        .news-card .card-tag.tag-green {
            background: rgba(46, 184, 92, 0.12);
            color: #1a8a4a;
        }
        .news-card .card-tag.tag-red {
            background: rgba(220, 53, 69, 0.08);
            color: #b02a37;
        }
        .news-card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            line-height: 1.4;
            font-weight: 700;
        }
        .news-card h3 a {
            color: var(--text-dark);
        }
        .news-card h3 a:hover {
            color: var(--primary);
        }
        .news-card .card-excerpt {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 16px;
        }
        .news-card .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
            margin-top: auto;
        }
        .news-card .card-meta i {
            margin-right: 4px;
            font-size: 0.75rem;
        }
        .news-card .card-meta .read-more {
            color: var(--primary-light);
            font-weight: 500;
            font-size: 0.82rem;
        }
        .news-card .card-meta .read-more i {
            margin-left: 4px;
            transition: transform var(--transition);
        }
        .news-card .card-meta .read-more:hover i {
            transform: translateX(4px);
        }

        /* ===== 热门标签 ===== */
        .tags-section {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .tags-section h4 {
            font-size: 1.1rem;
            margin-bottom: 18px;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .tags-section h4 i {
            color: var(--accent-dark);
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-list a {
            display: inline-block;
            background: var(--bg-light);
            color: var(--text-body);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.88rem;
            font-weight: 500;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .tag-list a:hover {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(26, 42, 108, 0.20);
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stats-item .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stats-item .stat-number span {
            color: var(--accent-dark);
            font-size: 1.2rem;
        }
        .stats-item .stat-label {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: 6px;
        }
        .stats-item .stat-icon {
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 10px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 24px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
        }
        .faq-question i {
            color: var(--accent-dark);
            font-size: 1rem;
            transition: transform var(--transition);
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }
        .faq-answer p {
            margin-bottom: 8px;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.06;
            mix-blend-mode: overlay;
        }
        .cta-block h3 {
            font-size: 2rem;
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .cta-block p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.85);
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-block .cta-button {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark) !important;
            padding: 14px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 6px 24px rgba(240, 192, 64, 0.35);
            transition: all var(--transition);
        }
        .cta-block .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(240, 192, 64, 0.45);
            background: var(--accent-light);
        }
        .cta-block .cta-button i {
            margin-right: 8px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 60px 0 0;
            font-size: 0.92rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .footer-brand .site-logo {
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .footer-brand .site-logo span {
            background: none;
            -webkit-text-fill-color: var(--text-white);
            color: var(--text-white);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--footer-text);
            max-width: 320px;
        }
        .footer-col h5 {
            color: var(--text-white);
            font-size: 1rem;
            margin-bottom: 18px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--footer-text);
            font-size: 0.9rem;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-col ul li i {
            width: 18px;
            color: var(--accent-dark);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.45);
        }
        .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer-social a {
            color: rgba(255,255,255,0.4);
            font-size: 1.1rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* ===== Foundation 覆盖 ===== */
        .grid-container {
            max-width: var(--container-max) !important;
            padding-left: 24px !important;
            padding-right: 24px !important;
        }
        .cell {
            margin-bottom: 0 !important;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-section {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .category-banner h1 {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 768px) {
            .header-top .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                font-size: 0.78rem;
            }
            .header-top .top-right a {
                margin-left: 0;
                margin-right: 12px;
            }
            .menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                background: var(--bg-card);
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                padding: 16px 24px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--border-color);
                gap: 4px;
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                background: rgba(26, 42, 108, 0.06);
            }
            .nav-links .nav-cta {
                margin-left: 0;
                margin-top: 6px;
                text-align: center;
            }
            .category-banner {
                padding: 70px 0 60px;
                min-height: 280px;
            }
            .category-banner h1 {
                font-size: 1.9rem;
            }
            .category-banner p {
                font-size: 1rem;
            }
            .category-banner .banner-meta {
                gap: 16px;
                font-size: 0.85rem;
            }
            .intro-block {
                padding: 32px 24px;
                margin-top: -24px;
            }
            .intro-block h2 {
                font-size: 1.3rem;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-section {
                grid-template-columns: repeat(2, 1fr);
                padding: 32px 20px;
                gap: 20px;
            }
            .stats-item .stat-number {
                font-size: 2rem;
            }
            .tags-section {
                padding: 24px 20px;
            }
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h3 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-banner h1 {
                font-size: 1.5rem;
            }
            .category-banner p {
                font-size: 0.9rem;
            }
            .intro-block {
                padding: 24px 16px;
            }
            .stats-item .stat-number {
                font-size: 1.6rem;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.88rem;
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
            .cta-block .cta-button {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        /* ===== 实用辅助 ===== */
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mt-4 {
            margin-top: 32px;
        }
        .gap-1 {
            gap: 8px;
        }
        .gap-2 {
            gap: 16px;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .d-flex {
            display: flex;
        }
        .align-center {
            align-items: center;
        }
        .justify-between {
            justify-content: space-between;
        }