/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #0d4f3a;
            --color-primary-light: #1a7a5a;
            --color-primary-dark: #082e22;
            --color-accent: #c9a84c;
            --color-accent-light: #e0c56a;
            --color-accent-dark: #a88a2e;
            --color-bg: #f8f9fa;
            --color-bg-alt: #edf2f0;
            --color-bg-dark: #0a1e16;
            --color-text: #1a1a2e;
            --color-text-light: #4a4a5e;
            --color-text-muted: #8a8a9e;
            --color-border: #dce3e0;
            --color-white: #ffffff;
            --color-success: #2d9b6e;
            --color-info: #3b82b5;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-xl: 0 24px 60px rgba(0,0,0,0.16);
            --spacing-xs: 0.25rem;
            --spacing-sm: 0.5rem;
            --spacing-md: 1rem;
            --spacing-lg: 2rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:hover, a:focus { color: var(--color-primary-light); }
        a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; border-radius: 2px; }
        button { cursor: pointer; font-family: inherit; font-size: inherit; border: none; background: none; transition: var(--transition); }
        button:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
        input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 600; color: var(--color-primary-dark); }
        h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
        h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        h4 { font-size: 1.1rem; }
        p { color: var(--color-text-light); margin-bottom: 1rem; }
        p:last-child { margin-bottom: 0; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--spacing-lg); }
        .section { padding: var(--spacing-2xl) 0; }
        .section-alt { background: var(--color-bg-alt); }
        .section-dark { background: var(--color-bg-dark); color: var(--color-white); }
        .section-dark h2, .section-dark h3, .section-dark p { color: var(--color-white); }
        .section-dark p { color: rgba(255,255,255,0.75); }
        .section-title { text-align: center; margin-bottom: var(--spacing-xl); }
        .section-title h2 { margin-bottom: var(--spacing-sm); }
        .section-title p { max-width: 600px; margin: 0 auto; color: var(--color-text-muted); font-size: 1.05rem; }
        .section-dark .section-title p { color: rgba(255,255,255,0.6); }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: rgba(255,255,255,0.97);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex; align-items: center; justify-content: space-between;
            height: 68px;
        }
        .logo {
            font-size: 1.35rem; font-weight: 700; color: var(--color-primary);
            letter-spacing: -0.02em; display: flex; align-items: center; gap: 0.5rem;
        }
        .logo i { color: var(--color-accent); font-size: 1.2rem; }
        .logo:hover { color: var(--color-primary-light); }
        .nav-list { display: flex; align-items: center; gap: 2.5rem; }
        .nav-list a {
            font-size: 0.9rem; font-weight: 500; color: var(--color-text-light);
            position: relative; padding: 0.25rem 0; letter-spacing: 0.01em;
        }
        .nav-list a::after {
            content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
            height: 2px; background: var(--color-accent);
            transform: scaleX(0); transform-origin: right center;
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .nav-list a:hover::after,
        .nav-list a.active::after { transform: scaleX(1); transform-origin: left center; }
        .nav-list a:hover { color: var(--color-primary); }
        .nav-list a.active { color: var(--color-primary); font-weight: 600; }
        .nav-cta {
            background: var(--color-primary); color: var(--color-white) !important;
            padding: 0.5rem 1.4rem !important; border-radius: var(--radius-sm);
            font-weight: 600 !important; font-size: 0.85rem !important;
            transition: var(--transition);
        }
        .nav-cta::after { display: none !important; }
        .nav-cta:hover { background: var(--color-primary-light); transform: translateY(-1px); box-shadow: var(--shadow-md); }
        .nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
        .nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-text); border-radius: 2px; transition: var(--transition); }
        .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .nav-toggle.active span:nth-child(2) { opacity: 0; }
        .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* ===== Hero ===== */
        .hero {
            min-height: 92vh; display: flex; align-items: center;
            background: linear-gradient(135deg, rgba(8,46,34,0.92) 0%, rgba(13,79,58,0.88) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: var(--color-white); padding: 8rem 0 4rem; margin-top: 68px;
            position: relative; overflow: hidden;
        }
        .hero::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(201,168,76,0.15) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero-content { position: relative; z-index: 1; max-width: 720px; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 0.5rem;
            background: rgba(255,255,255,0.12); backdrop-filter: blur(8px);
            padding: 0.4rem 1.2rem; border-radius: 50px;
            font-size: 0.8rem; font-weight: 500; letter-spacing: 0.05em;
            color: var(--color-accent-light); margin-bottom: 1.8rem;
            border: 1px solid rgba(255,255,255,0.08);
        }
        .hero h1 { color: var(--color-white); font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 700; line-height: 1.1; margin-bottom: 1.2rem; }
        .hero h1 span { color: var(--color-accent); }
        .hero p { font-size: clamp(1rem, 2vw, 1.2rem); color: rgba(255,255,255,0.75); max-width: 580px; margin-bottom: 2.2rem; line-height: 1.8; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
        .hero .btn-primary {
            background: var(--color-accent); color: var(--color-primary-dark);
            padding: 0.9rem 2.4rem; border-radius: var(--radius-sm);
            font-weight: 600; font-size: 0.95rem; display: inline-flex; align-items: center; gap: 0.6rem;
            transition: var(--transition);
        }
        .hero .btn-primary:hover { background: var(--color-accent-light); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
        .hero .btn-outline {
            background: transparent; color: var(--color-white);
            padding: 0.9rem 2.4rem; border-radius: var(--radius-sm);
            font-weight: 500; font-size: 0.95rem; display: inline-flex; align-items: center; gap: 0.6rem;
            border: 1.5px solid rgba(255,255,255,0.25);
            transition: var(--transition);
        }
        .hero .btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.4); transform: translateY(-2px); }
        .hero-stats { display: flex; gap: 2.5rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); }
        .hero-stats .stat-item { text-align: center; }
        .hero-stats .stat-number { font-size: 1.8rem; font-weight: 700; color: var(--color-accent); display: block; }
        .hero-stats .stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.06em; }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex; align-items: center; gap: 0.5rem;
            padding: 0.75rem 1.8rem; border-radius: var(--radius-sm);
            font-weight: 600; font-size: 0.9rem; transition: var(--transition);
            cursor: pointer; border: none;
        }
        .btn-primary { background: var(--color-primary); color: var(--color-white); }
        .btn-primary:hover { background: var(--color-primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); color: var(--color-white); }
        .btn-accent { background: var(--color-accent); color: var(--color-primary-dark); }
        .btn-accent:hover { background: var(--color-accent-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .btn-outline { background: transparent; color: var(--color-primary); border: 1.5px solid var(--color-primary); }
        .btn-outline:hover { background: var(--color-primary); color: var(--color-white); transform: translateY(-2px); }
        .btn-sm { padding: 0.5rem 1.2rem; font-size: 0.8rem; }
        .btn-lg { padding: 1rem 2.4rem; font-size: 1rem; }

        /* ===== 卡片 ===== */
        .card {
            background: var(--color-white); border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm); overflow: hidden;
            transition: var(--transition); border: 1px solid var(--color-border);
        }
        .card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
        .card-image { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
        .card-body { padding: var(--spacing-lg); }
        .card-body h3 { margin-bottom: var(--spacing-sm); font-size: 1.1rem; }
        .card-body p { font-size: 0.92rem; color: var(--color-text-muted); }
        .card-tag {
            display: inline-block; padding: 0.2rem 0.8rem; border-radius: 50px;
            font-size: 0.72rem; font-weight: 500; background: var(--color-bg-alt);
            color: var(--color-primary); margin-bottom: var(--spacing-sm);
            border: 1px solid var(--color-border);
        }
        .card-footer { padding: 0 var(--spacing-lg) var(--spacing-lg); display: flex; align-items: center; justify-content: space-between; }
        .card-footer .meta { font-size: 0.8rem; color: var(--color-text-muted); }

        /* ===== 网格 ===== */
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-lg); }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-lg); }
        .grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--spacing-lg); }

        /* ===== 标签 / 徽章 ===== */
        .tag {
            display: inline-flex; align-items: center; gap: 0.3rem;
            padding: 0.25rem 0.9rem; border-radius: 50px;
            font-size: 0.75rem; font-weight: 500; background: var(--color-bg-alt);
            color: var(--color-primary); border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .tag:hover { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }
        .tag-accent { background: rgba(201,168,76,0.12); color: var(--color-accent-dark); border-color: rgba(201,168,76,0.25); }
        .tag-accent:hover { background: var(--color-accent); color: var(--color-primary-dark); border-color: var(--color-accent); }
        .badge {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 0.15rem 0.6rem; border-radius: 50px;
            font-size: 0.7rem; font-weight: 600; background: var(--color-accent);
            color: var(--color-primary-dark);
        }

        /* ===== 统计块 ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-lg); }
        .stat-card {
            text-align: center; padding: var(--spacing-lg);
            background: var(--color-white); border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm); border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .stat-card .number { font-size: 2.2rem; font-weight: 700; color: var(--color-primary); display: block; }
        .stat-card .label { font-size: 0.85rem; color: var(--color-text-muted); margin-top: 0.3rem; }
        .stat-card .icon { font-size: 1.6rem; color: var(--color-accent); margin-bottom: 0.6rem; }

        /* ===== 图文交替 ===== */
        .alternate-grid { display: flex; flex-direction: column; gap: var(--spacing-2xl); }
        .alternate-item { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); align-items: center; }
        .alternate-item.reverse { direction: rtl; }
        .alternate-item.reverse > * { direction: ltr; }
        .alternate-image { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-lg); }
        .alternate-image img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: var(--transition); }
        .alternate-image:hover img { transform: scale(1.03); }
        .alternate-text h3 { margin-bottom: var(--spacing-md); }
        .alternate-text p { margin-bottom: var(--spacing-md); }
        .alternate-text .features { display: flex; flex-wrap: wrap; gap: var(--spacing-sm); margin-top: var(--spacing-md); }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--spacing-sm); }
        .faq-item {
            background: var(--color-white); border-radius: var(--radius-md);
            border: 1px solid var(--color-border); overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--color-primary-light); }
        .faq-question {
            padding: var(--spacing-lg); cursor: pointer; display: flex; align-items: center; justify-content: space-between;
            font-weight: 600; color: var(--color-primary-dark); font-size: 1rem;
            background: var(--color-white); transition: var(--transition);
        }
        .faq-question:hover { background: var(--color-bg-alt); }
        .faq-question i { color: var(--color-accent); transition: var(--transition); font-size: 0.9rem; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 var(--spacing-lg) var(--spacing-lg);
            color: var(--color-text-light); font-size: 0.92rem; line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
            padding: var(--spacing-2xl) 0; text-align: center;
            position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08; pointer-events: none;
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 { color: var(--color-white); margin-bottom: var(--spacing-md); }
        .cta-section p { color: rgba(255,255,255,0.7); max-width: 560px; margin: 0 auto var(--spacing-lg); }
        .cta-section .btn { background: var(--color-accent); color: var(--color-primary-dark); }
        .cta-section .btn:hover { background: var(--color-accent-light); transform: translateY(-2px); box-shadow: var(--shadow-xl); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-bg-dark); color: rgba(255,255,255,0.7);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--spacing-xl); }
        .footer-brand .logo { color: var(--color-white); margin-bottom: var(--spacing-md); font-size: 1.2rem; }
        .footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.5); max-width: 320px; }
        .footer-col h4 { color: var(--color-white); font-size: 0.95rem; margin-bottom: var(--spacing-md); }
        .footer-col ul li { margin-bottom: var(--spacing-sm); }
        .footer-col ul li a { font-size: 0.88rem; color: rgba(255,255,255,0.55); transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--color-accent); padding-left: 4px; }
        .footer-social { display: flex; gap: var(--spacing-md); margin-top: var(--spacing-md); }
        .footer-social a {
            width: 38px; height: 38px; border-radius: 50%;
            background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center;
            color: rgba(255,255,255,0.5); font-size: 1rem; transition: var(--transition);
        }
        .footer-social a:hover { background: var(--color-accent); color: var(--color-primary-dark); transform: translateY(-2px); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: var(--spacing-lg); margin-top: var(--spacing-xl);
            display: flex; justify-content: space-between; align-items: center;
            font-size: 0.82rem; color: rgba(255,255,255,0.35);
        }
        .footer-bottom a { color: rgba(255,255,255,0.45); }
        .footer-bottom a:hover { color: var(--color-accent); }

        /* ===== 内容列表（CMS） ===== */
        .post-list { display: flex; flex-direction: column; gap: var(--spacing-md); }
        .post-item {
            display: flex; gap: var(--spacing-lg); padding: var(--spacing-md) 0;
            border-bottom: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .post-item:last-child { border-bottom: none; }
        .post-item:hover { padding-left: var(--spacing-sm); }
        .post-thumb { width: 160px; min-height: 100px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; }
        .post-thumb img { width: 100%; height: 100%; object-fit: cover; }
        .post-info { flex: 1; }
        .post-info h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
        .post-info h3 a { color: var(--color-primary-dark); }
        .post-info h3 a:hover { color: var(--color-primary-light); }
        .post-info .excerpt { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 0.4rem; }
        .post-meta { display: flex; align-items: center; gap: var(--spacing-md); font-size: 0.78rem; color: var(--color-text-muted); }
        .post-meta .category { color: var(--color-primary); font-weight: 500; }
        .empty-state { text-align: center; padding: var(--spacing-xl); color: var(--color-text-muted); font-size: 1rem; }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .alternate-item { grid-template-columns: 1fr; gap: var(--spacing-lg); }
            .alternate-item.reverse { direction: ltr; }
            .hero-stats { gap: 1.5rem; flex-wrap: wrap; }
        }

        @media (max-width: 768px) {
            .nav-list {
                display: none; position: absolute; top: 68px; left: 0; right: 0;
                background: rgba(255,255,255,0.98); backdrop-filter: blur(12px);
                flex-direction: column; padding: var(--spacing-lg); gap: var(--spacing-md);
                border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-lg);
            }
            .nav-list.open { display: flex; }
            .nav-toggle { display: flex; }
            .nav-list a::after { display: none; }
            .nav-list a.active { color: var(--color-accent-dark); }
            .hero { min-height: 70vh; padding: 6rem 0 3rem; }
            .hero h1 { font-size: 2rem; }
            .hero-stats { flex-wrap: wrap; gap: 1rem; }
            .hero-stats .stat-item { flex: 1; min-width: 80px; }
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--spacing-md); }
            .section { padding: var(--spacing-xl) 0; }
            .post-item { flex-direction: column; }
            .post-thumb { width: 100%; height: 180px; }
            .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-lg); }
            .footer-bottom { flex-direction: column; gap: var(--spacing-sm); text-align: center; }
            .alternate-item.reverse { direction: ltr; }
        }

        @media (max-width: 520px) {
            :root { --spacing-lg: 1.25rem; --spacing-xl: 2rem; --spacing-2xl: 3rem; }
            .container { padding: 0 var(--spacing-md); }
            .hero h1 { font-size: 1.6rem; }
            .hero p { font-size: 0.95rem; }
            .hero .btn-primary, .hero .btn-outline { padding: 0.7rem 1.6rem; font-size: 0.85rem; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-sm); }
            .stat-card { padding: var(--spacing-md); }
            .stat-card .number { font-size: 1.6rem; }
            .hero-stats .stat-number { font-size: 1.4rem; }
            .logo { font-size: 1.1rem; }
            .nav-cta { padding: 0.4rem 1rem !important; font-size: 0.78rem !important; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a3a4a;
            --primary-light: #2a5a6a;
            --primary-dark: #0f2a34;
            --accent: #e8b840;
            --accent-hover: #d4a62e;
            --accent-light: #f5d880;
            --bg-body: #f8f7f4;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #1a2a32;
            --bg-overlay: rgba(26, 58, 74, 0.85);
            --text-primary: #1a1a1a;
            --text-secondary: #555555;
            --text-light: #888888;
            --text-white: #ffffff;
            --border-color: #e8e5e0;
            --border-light: #f0eee8;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-header: 0 2px 20px rgba(0, 0, 0, 0.06);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --spacing-section: 80px;
            --spacing-block: 60px;
            --container-max: 1200px;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-body);
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

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

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

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

        /* ===== 头部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-header);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

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

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent);
            font-size: 1.5rem;
        }

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

        .nav-list {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-list a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 4px 0;
            transition: var(--transition);
            letter-spacing: 0.2px;
        }

        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
            border-radius: 2px;
        }

        .nav-list a:hover {
            color: var(--primary);
        }

        .nav-list a:hover::after {
            width: 100%;
        }

        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-list a.active::after {
            width: 100%;
        }

        .nav-list .nav-cta {
            background: var(--primary);
            color: var(--text-white) !important;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .nav-list .nav-cta::after {
            display: none;
        }

        .nav-list .nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(26, 58, 74, 0.25);
            color: var(--text-white) !important;
        }

        .nav-list .nav-cta i {
            font-size: 0.8rem;
            transition: var(--transition);
        }

        .nav-list .nav-cta:hover i {
            transform: translateX(3px);
        }

        /* 汉堡按钮 */
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: transparent;
            gap: 5px;
            padding: 8px;
            transition: var(--transition);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 4px;
            transition: var(--transition);
            transform-origin: center;
        }

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

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

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

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

            .nav-list {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 24px 20px 32px;
                gap: 16px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
            }

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

            .nav-list a {
                font-size: 1.05rem;
                padding: 10px 0;
                width: 100%;
                text-align: center;
            }

            .nav-list a::after {
                bottom: 4px;
            }

            .nav-list .nav-cta {
                justify-content: center;
                width: 100%;
                padding: 12px 20px;
                margin-top: 8px;
            }
        }

        /* ===== 页面横幅 ===== */
        .page-banner {
            margin-top: var(--nav-height);
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: 100px 0 80px;
            position: relative;
            overflow: hidden;
            min-height: 320px;
            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: 0;
            left: 0;
            width: 100%;
            height: 60px;
            background: linear-gradient(to top, var(--bg-body), transparent);
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .page-banner .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
        }

        .page-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: var(--transition);
        }

        .page-banner .breadcrumb a:hover {
            color: var(--accent);
        }

        .page-banner .breadcrumb span {
            color: rgba(255, 255, 255, 0.5);
        }

        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .page-banner h1 i {
            color: var(--accent);
            margin-right: 12px;
        }

        .page-banner p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .page-banner .banner-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 80px 0 60px;
                min-height: 240px;
            }

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

            .page-banner p {
                font-size: 1rem;
            }
        }

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

            .page-banner p {
                font-size: 0.92rem;
            }
        }

        /* ===== 主内容区 ===== */
        .main-content {
            padding: var(--spacing-section) 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .section-subtitle.centered {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-title.centered {
            text-align: center;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        /* ===== 分类标签导航 ===== */
        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 40px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border-color);
        }

        .category-tabs a {
            display: inline-block;
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .category-tabs a:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: var(--accent-light);
        }

        .category-tabs a.active {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }

        /* ===== 筛选与排序 ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 32px;
            padding: 16px 20px;
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }

        .filter-bar .filter-left {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
        }

        .filter-bar .filter-left span {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .filter-bar .filter-left .filter-btn {
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .filter-bar .filter-left .filter-btn:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: var(--accent-light);
        }

        .filter-bar .filter-left .filter-btn.active {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }

        .filter-bar .filter-right {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .filter-bar .filter-right select {
            padding: 6px 14px;
            border-radius: 50px;
            border: 1px solid var(--border-color);
            background: var(--bg-body);
            font-size: 0.85rem;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition);
        }

        .filter-bar .filter-right select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(232, 184, 64, 0.15);
        }

        @media (max-width: 600px) {
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-bar .filter-left {
                justify-content: center;
            }
            .filter-bar .filter-right {
                justify-content: center;
            }
        }

        /* ===== 文章卡片网格 ===== */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-bottom: 48px;
        }

        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 640px) {
            .article-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .article-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--border-color);
            transition: var(--transition);
        }

        .article-card:hover .card-img {
            transform: scale(1.02);
        }

        .article-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 10px;
        }

        .article-card .card-tags .tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--accent-light);
            color: var(--primary-dark);
            letter-spacing: 0.3px;
        }

        .article-card .card-tags .tag.outline {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
        }

        .article-card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card:hover .card-title {
            color: var(--primary);
        }

        .article-card .card-excerpt {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
            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: 0.82rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }

        .article-card .card-meta .date {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-card .card-meta .date i {
            font-size: 0.75rem;
        }

        .article-card .card-meta .read-more {
            color: var(--primary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }

        .article-card .card-meta .read-more:hover {
            color: var(--accent);
            gap: 8px;
        }

        .article-card .card-meta .read-more i {
            font-size: 0.7rem;
        }

        /* ===== 特色大卡片 ===== */
        .featured-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            margin-bottom: 40px;
            transition: var(--transition);
        }

        .featured-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .featured-card .featured-img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
            display: block;
            background: var(--border-color);
        }

        .featured-card .featured-body {
            padding: 36px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-card .featured-body .badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .featured-card .featured-body h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .featured-card .featured-body p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .featured-card .featured-body .btn {
            align-self: flex-start;
        }

        @media (max-width: 900px) {
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-card .featured-img {
                min-height: 220px;
                max-height: 300px;
            }
            .featured-card .featured-body {
                padding: 28px 24px;
            }
            .featured-card .featured-body h3 {
                font-size: 1.3rem;
            }
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            text-align: center;
            line-height: 1.2;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
        }

        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 58, 74, 0.25);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--primary-dark);
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 184, 64, 0.3);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        /* ===== 分页 ===== */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 16px;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .pagination a:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: var(--accent-light);
        }

        .pagination .active {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }

        .pagination .prev,
        .pagination .next {
            width: auto;
            padding: 0 18px;
            border-radius: 50px;
            gap: 6px;
            font-size: 0.85rem;
        }

        @media (max-width: 520px) {
            .pagination a,
            .pagination span {
                width: 36px;
                height: 36px;
                font-size: 0.8rem;
            }
            .pagination .prev,
            .pagination .next {
                padding: 0 12px;
                font-size: 0.78rem;
            }
        }

        /* ===== 热门赛事板块 ===== */
        .hot-events {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            margin-bottom: 48px;
        }

        .hot-events .events-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .hot-events .event-item {
            text-align: center;
            padding: 20px 12px;
            border-radius: var(--radius);
            background: var(--bg-body);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .hot-events .event-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }

        .hot-events .event-item .icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .hot-events .event-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .hot-events .event-item p {
            font-size: 0.82rem;
            color: var(--text-light);
        }

        .hot-events .event-item .count {
            display: inline-block;
            margin-top: 8px;
            background: var(--accent-light);
            color: var(--primary-dark);
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        @media (max-width: 900px) {
            .hot-events .events-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-events {
                padding: 32px 20px;
            }
        }

        @media (max-width: 520px) {
            .hot-events .events-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 资讯列表（图文交替） ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 40px;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--bg-card);
            padding: 20px 24px;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .news-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .news-item .news-thumb {
            width: 140px;
            height: 100px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--border-color);
        }

        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-content .news-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--accent-light);
            padding: 2px 10px;
            border-radius: 50px;
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        .news-item .news-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
            transition: var(--transition);
        }

        .news-item:hover .news-content h4 {
            color: var(--primary);
        }

        .news-item .news-content p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-content .meta {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-top: 6px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .news-item .news-content .meta i {
            font-size: 0.7rem;
        }

        @media (max-width: 640px) {
            .news-item {
                flex-direction: column;
                padding: 16px;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 180px;
            }
        }

        /* ===== FAQ 区块 ===== */
        .faq-section {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            margin-top: 16px;
        }

        .faq-section .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

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

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

        .faq-item summary {
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            list-style: none;
            transition: var(--transition);
            background: var(--bg-body);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--text-light);
            transition: var(--transition);
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-item[open] summary {
            background: var(--accent-light);
            color: var(--primary-dark);
        }

        .faq-item .faq-answer {
            padding: 16px 24px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            border-top: 1px solid var(--border-light);
        }

        @media (max-width: 640px) {
            .faq-section {
                padding: 28px 16px;
            }
            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-item .faq-answer {
                padding: 12px 16px 16px;
                font-size: 0.88rem;
            }
        }

        /* ===== CTA 区块 ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            color: var(--text-white);
            margin-top: 48px;
            position: relative;
            overflow: hidden;
        }

        .cta-block::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-block .container {
            position: relative;
            z-index: 2;
        }

        .cta-block h3 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-block p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-block .btn {
            font-size: 1.05rem;
            padding: 14px 40px;
        }

        @media (max-width: 768px) {
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h3 {
                font-size: 1.5rem;
            }
            .cta-block p {
                font-size: 0.95rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
            margin-top: 80px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-footer .footer-brand .logo {
            color: var(--text-white);
            font-size: 1.4rem;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .logo i {
            color: var(--accent);
        }

        .site-footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            max-width: 320px;
        }

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

        .site-footer .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: var(--transition);
        }

        .site-footer .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-3px);
        }

        .site-footer .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .site-footer .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .site-footer .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .site-footer .footer-col ul li a::before {
            content: '\f105';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.65rem;
            color: var(--accent);
            opacity: 0;
            transition: var(--transition);
        }

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

        .site-footer .footer-col ul li a:hover::before {
            opacity: 1;
        }

        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            gap: 12px;
        }

        .site-footer .footer-bottom a {
            color: var(--accent);
            transition: var(--transition);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }

        @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;
            }
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 768px) {
            .main-content {
                padding: 48px 0;
            }
            :root {
                --spacing-section: 48px;
            }
        }

        @media (max-width: 520px) {
            .main-content {
                padding: 32px 0;
            }
            :root {
                --spacing-section: 32px;
            }
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-light);
        }

        /* ===== 选中文本 ===== */
        ::selection {
            background: var(--accent);
            color: var(--primary-dark);
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f2b4a;
            --primary-light: #1a4a7a;
            --primary-lighter: #e8edf4;
            --accent: #d4942b;
            --accent-light: #f0c060;
            --accent-dim: #b87a1e;
            --bg: #ffffff;
            --bg-alt: #f4f6f9;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --text-lighter: #9ca3af;
            --border: #e5e7eb;
            --border-light: #f0f0f0;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08);
            --radius-sm: 6px;
            --radius: 12px;
            --radius-lg: 20px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --content-width: 780px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 600;
            color: var(--text);
        }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            z-index: 1000;
            transition: box-shadow var(--transition);
        }
        .site-header:hover {
            box-shadow: var(--shadow-sm);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
        }
        .logo i {
            color: var(--accent);
            font-size: 22px;
        }
        .logo:hover {
            color: var(--primary);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-list a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            position: relative;
            padding: 4px 0;
            letter-spacing: 0.2px;
            transition: color var(--transition);
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-list a:hover {
            color: var(--text);
        }
        .nav-list a:hover::after {
            width: 100%;
        }
        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-list a.active::after {
            width: 100%;
            background: var(--primary);
        }
        .nav-list a.nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            transition: background var(--transition), transform var(--transition);
        }
        .nav-list a.nav-cta i {
            font-size: 13px;
        }
        .nav-list a.nav-cta::after {
            display: none;
        }
        .nav-list a.nav-cta:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            cursor: pointer;
            background: none;
            border: none;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                flex-direction: column;
                gap: 0;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                pointer-events: none;
                box-shadow: var(--shadow-lg);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list a {
                display: block;
                padding: 14px 0;
                font-size: 16px;
                border-bottom: 1px solid var(--border-light);
                width: 100%;
            }
            .nav-list a::after {
                display: none;
            }
            .nav-list a.active {
                color: var(--accent);
            }
            .nav-list a.nav-cta {
                width: 100%;
                justify-content: center;
                margin-top: 12px;
                border-bottom: none;
                padding: 12px 20px;
            }
        }

        /* ===== Article Hero ===== */
        .article-hero {
            margin-top: var(--header-height);
            position: relative;
            padding: 100px 0 80px;
            background: var(--primary) url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            background-blend-mode: overlay;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 43, 74, 0.88) 40%, rgba(15, 43, 74, 0.60) 100%);
            z-index: 1;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 20px;
        }
        .article-hero .hero-badge i {
            font-size: 12px;
        }
        .article-hero h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 700;
            color: #fff;
            max-width: 800px;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }
        .article-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 32px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
        }
        .article-hero .hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero .hero-meta i {
            font-size: 14px;
            color: var(--accent-light);
        }
        .article-hero .hero-meta .author {
            font-weight: 500;
            color: rgba(255, 255, 255, 0.95);
        }

        @media (max-width: 768px) {
            .article-hero {
                padding: 80px 0 56px;
                min-height: 240px;
                margin-top: var(--header-height);
            }
            .article-hero h1 {
                font-size: 24px;
            }
            .article-hero .hero-meta {
                gap: 12px 20px;
                font-size: 13px;
            }
        }

        /* ===== Article Content ===== */
        .article-section {
            padding: 56px 0 40px;
            background: var(--bg);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 48px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .article-main {
            min-width: 0;
        }
        .article-sidebar {
            position: sticky;
            top: calc(var(--header-height) + 32px);
            align-self: start;
        }

        .article-body {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body .article-summary {
            font-size: 18px;
            line-height: 1.7;
            color: var(--text-light);
            border-left: 4px solid var(--accent);
            padding: 16px 0 16px 24px;
            margin-bottom: 32px;
            background: var(--bg-alt);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-weight: 400;
        }
        .article-body .article-summary strong {
            color: var(--text);
        }
        .article-body p {
            margin-bottom: 20px;
        }
        .article-body h2,
        .article-body h3 {
            margin-top: 36px;
            margin-bottom: 16px;
            font-weight: 600;
            color: var(--primary);
        }
        .article-body h2 {
            font-size: 24px;
        }
        .article-body h3 {
            font-size: 20px;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .article-body ul li {
            list-style: disc;
            margin-bottom: 6px;
        }
        .article-body ol li {
            list-style: decimal;
            margin-bottom: 6px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 24px;
            margin: 24px 0;
            background: var(--bg-alt);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 28px 0;
            box-shadow: var(--shadow);
        }
        .article-body a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--accent);
        }

        /* Article not found */
        .article-not-found {
            text-align: center;
            padding: 60px 24px;
            background: var(--bg-alt);
            border-radius: var(--radius);
        }
        .article-not-found i {
            font-size: 52px;
            color: var(--text-lighter);
            margin-bottom: 20px;
        }
        .article-not-found h2 {
            font-size: 24px;
            color: var(--text);
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--text-light);
            margin-bottom: 24px;
        }
        .article-not-found .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
        }
        .article-not-found .btn-back:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Sidebar ===== */
        .sidebar-card {
            background: var(--bg-alt);
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 24px;
            border: 1px solid var(--border-light);
        }
        .sidebar-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i {
            color: var(--accent);
            font-size: 16px;
        }
        .sidebar-card .info-row {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            font-size: 14px;
            border-bottom: 1px dashed var(--border);
        }
        .sidebar-card .info-row:last-child {
            border-bottom: none;
        }
        .sidebar-card .info-row .label {
            color: var(--text-light);
        }
        .sidebar-card .info-row .value {
            color: var(--text);
            font-weight: 500;
        }
        .sidebar-card .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-card .tag-list .tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--bg);
            border-radius: 50px;
            font-size: 13px;
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .sidebar-card .tag-list .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border: none;
            text-align: center;
        }
        .sidebar-cta h4 {
            color: #fff;
            border-bottom-color: rgba(255, 255, 255, 0.2);
        }
        .sidebar-cta h4 i {
            color: var(--accent-light);
        }
        .sidebar-cta p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .sidebar-cta .btn-sidebar {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
        }
        .sidebar-cta .btn-sidebar:hover {
            background: var(--accent-light);
            color: var(--primary);
            transform: translateY(-2px);
        }

        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .article-sidebar .sidebar-card {
                margin-bottom: 0;
            }
        }
        @media (max-width: 640px) {
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .article-body {
                font-size: 16px;
            }
            .article-body .article-summary {
                font-size: 16px;
                padding-left: 16px;
            }
        }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 64px 0;
            background: var(--bg-alt);
        }
        .related-section .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .related-section .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .related-section .section-header p {
            color: var(--text-light);
            font-size: 16px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border);
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--primary-lighter);
        }
        .related-card .card-body {
            padding: 18px 20px 20px;
        }
        .related-card .card-body .card-cat {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card .card-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 12px;
            font-size: 13px;
            color: var(--text-lighter);
        }

        @media (max-width: 900px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-card .card-img {
                height: 200px;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 72px 0;
            background: var(--primary) url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            background-blend-mode: overlay;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 43, 74, 0.92) 30%, rgba(15, 43, 74, 0.70) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(24px, 3.5vw, 36px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 16px;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(212, 148, 43, 0.35);
        }
        .cta-section .btn-cta i {
            font-size: 16px;
        }
        .cta-section .btn-cta:hover {
            background: var(--accent-light);
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(212, 148, 43, 0.45);
        }
        .cta-section .cta-note {
            margin-top: 16px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== Article Nav Bottom ===== */
        .article-nav-bottom {
            padding: 32px 0 48px;
            background: var(--bg);
        }
        .article-nav-bottom .nav-links {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-nav-bottom .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--bg-alt);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .article-nav-bottom .nav-links a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .article-nav-bottom .nav-links a i {
            font-size: 14px;
        }
        .article-nav-bottom .nav-links .back-home {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .article-nav-bottom .nav-links .back-home:hover {
            background: var(--primary-light);
        }

        @media (max-width: 520px) {
            .article-nav-bottom .nav-links {
                flex-direction: column;
                align-items: stretch;
            }
            .article-nav-bottom .nav-links a {
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 0;
        }
        .site-footer .logo {
            color: #fff;
            font-size: 20px;
            margin-bottom: 12px;
        }
        .site-footer .logo i {
            color: var(--accent-light);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: 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, 0.7);
            font-size: 16px;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Utility ===== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* ===== Smooth fade-in ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-up {
            animation: fadeUp 0.6s ease forwards;
        }

        /* ===== Print ===== */
        @media print {
            .site-header,
            .site-footer,
            .related-section,
            .cta-section,
            .article-nav-bottom,
            .article-sidebar {
                display: none;
            }
            .article-hero {
                margin-top: 0;
                padding: 40px 0;
                background: var(--bg) !important;
                color: var(--text) !important;
                min-height: auto;
            }
            .article-hero::before {
                display: none;
            }
            .article-hero h1 {
                color: var(--text);
            }
            .article-hero .hero-meta {
                color: var(--text-light);
            }
            .article-hero .hero-meta i {
                color: var(--text-light);
            }
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-body {
                font-size: 14px;
            }
        }