/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a365d;
            --primary-light: #2b4f8e;
            --primary-dark: #0f1f3d;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --accent-dark: #d97706;
            --bg-body: #f1f5f9;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --text-primary: #1e293b;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --text-light: #f8fafc;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-hover: 0 20px 48px rgba(0, 0, 0, 0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset ===== */
        *, *::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-color: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button { cursor: pointer; font-family: inherit; border: none; background: none; }
        input, textarea { font-family: inherit; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-primary); }

        /* ===== Container ===== */
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        @media (max-width: 640px) { .container { padding: 0 16px; } }

        /* ===== Utility ===== */
        .section-padding { padding: 80px 0; }
        @media (max-width: 768px) { .section-padding { padding: 56px 0; } }
        .section-title { font-size: 2rem; font-weight: 800; margin-bottom: 12px; letter-spacing: -0.02em; }
        @media (max-width: 640px) { .section-title { font-size: 1.6rem; } }
        .section-subtitle { font-size: 1.05rem; color: var(--text-secondary); max-width: 640px; line-height: 1.7; }
        .text-accent { color: var(--accent); }
        .bg-accent { background-color: var(--accent); }
        .btn {
            display: inline-flex; align-items: center; gap: 10px; padding: 14px 32px;
            border-radius: var(--radius-sm); font-weight: 600; font-size: 1rem;
            transition: var(--transition); border: none; cursor: pointer;
            box-shadow: 0 4px 14px rgba(0,0,0,0.08);
        }
        .btn-primary {
            background: var(--primary); color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-light); transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 54, 93, 0.25);
        }
        .btn-accent {
            background: var(--accent); color: #1e293b;
        }
        .btn-accent:hover {
            background: var(--accent-light); transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
        }
        .btn-outline {
            background: transparent; color: var(--primary); border: 2px solid var(--primary);
            box-shadow: none;
        }
        .btn-outline:hover {
            background: var(--primary); color: #fff; transform: translateY(-2px);
        }
        .btn-white {
            background: #fff; color: var(--primary);
        }
        .btn-white:hover {
            background: #f1f5f9; transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,255,255,0.25);
        }
        .btn-sm { padding: 10px 20px; font-size: 0.9rem; }
        .badge {
            display: inline-block; padding: 4px 14px; border-radius: 50px;
            font-size: 0.8rem; font-weight: 600; letter-spacing: 0.3px;
        }
        .badge-accent { background: var(--accent); color: #1e293b; }
        .badge-primary { background: var(--primary); color: #fff; }
        .badge-light { background: #e2e8f0; color: var(--text-secondary); }
        .card {
            background: var(--bg-card); border-radius: var(--radius);
            box-shadow: var(--shadow); overflow: hidden;
            transition: var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-hover); transform: translateY(-4px);
        }
        .card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
        .card-body { padding: 24px; }
        .card-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
        .card-text { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--header-height);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0,0,0,0.06);
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 24px;
        }
        .logo {
            font-size: 1.35rem; font-weight: 800; color: var(--primary);
            display: flex; align-items: center; gap: 10px;
            letter-spacing: -0.02em;
        }
        .logo-icon {
            width: 38px; height: 38px; border-radius: 10px;
            background: var(--primary); color: #fff;
            display: flex; align-items: center; justify-content: center;
            font-size: 1.3rem;
        }
        .nav-list {
            display: flex; align-items: center; gap: 4px;
        }
        .nav-link {
            padding: 8px 20px; border-radius: 50px;
            font-size: 0.95rem; font-weight: 500; color: var(--text-secondary);
            transition: var(--transition); position: relative;
        }
        .nav-link:hover { color: var(--primary); background: #f1f5f9; }
        .nav-link.active {
            color: #fff; background: var(--primary); font-weight: 600;
        }
        .nav-cta {
            margin-left: 12px;
        }
        .mobile-toggle {
            display: none; font-size: 1.5rem; color: var(--primary);
            padding: 4px 8px; border-radius: 8px; background: #f1f5f9;
        }
        @media (max-width: 768px) {
            .nav-list { display: none; }
            .mobile-toggle { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; }
            .nav-list.open {
                display: flex; flex-direction: column; position: absolute; top: var(--header-height);
                left: 0; right: 0; background: #fff; padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg);
                gap: 8px; border-radius: 0 0 var(--radius) var(--radius);
            }
            .nav-list.open .nav-link { width: 100%; text-align: center; padding: 12px 20px; }
            .nav-list.open .nav-cta { margin-left: 0; width: 100%; }
            .nav-list.open .nav-cta .btn { width: 100%; justify-content: center; }
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 92vh; display: flex; align-items: center;
            position: relative; overflow: hidden;
            margin-top: var(--header-height);
            background: var(--primary-dark);
        }
        .hero-bg {
            position: absolute; inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover; background-position: center 30%;
            opacity: 0.45; mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(15,31,61,0.92) 0%, rgba(26,54,93,0.72) 60%, rgba(15,31,61,0.88) 100%);
        }
        .hero-content {
            position: relative; z-index: 2; width: 100%;
            padding: 80px 0 100px;
        }
        .hero-badge {
            display: inline-block; padding: 6px 20px; border-radius: 50px;
            background: rgba(245, 158, 11, 0.2); color: var(--accent-light);
            font-size: 0.85rem; font-weight: 600; letter-spacing: 0.5px;
            margin-bottom: 20px; border: 1px solid rgba(245,158,11,0.25);
        }
        .hero-title {
            font-size: 3.4rem; font-weight: 900; color: #fff;
            line-height: 1.1; letter-spacing: -0.03em;
            max-width: 760px; margin-bottom: 20px;
        }
        .hero-title span { color: var(--accent); }
        .hero-desc {
            font-size: 1.15rem; color: rgba(255,255,255,0.75);
            max-width: 580px; line-height: 1.8; margin-bottom: 36px;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
        .hero-stats {
            display: flex; gap: 40px; margin-top: 56px;
            padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.12);
        }
        .hero-stat h3 { font-size: 2rem; font-weight: 800; color: #fff; }
        .hero-stat h3 .accent { color: var(--accent); }
        .hero-stat p { font-size: 0.9rem; color: rgba(255,255,255,0.6); }
        @media (max-width: 768px) {
            .hero { min-height: 80vh; }
            .hero-title { font-size: 2.2rem; }
            .hero-desc { font-size: 1rem; }
            .hero-stats { gap: 24px; flex-wrap: wrap; }
            .hero-stat h3 { font-size: 1.5rem; }
        }
        @media (max-width: 520px) {
            .hero-title { font-size: 1.8rem; }
            .hero-actions { flex-direction: column; width: 100%; }
            .hero-actions .btn { width: 100%; justify-content: center; }
        }

        /* ===== 特色板块 ===== */
        .features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        @media (max-width: 1024px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 520px) { .features-grid { grid-template-columns: 1fr; } }
        .feature-card {
            background: var(--bg-card); border-radius: var(--radius);
            padding: 32px 28px; box-shadow: var(--shadow);
            transition: var(--transition); border: 1px solid var(--border-light);
            text-align: center;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover); transform: translateY(-6px);
            border-color: var(--accent);
        }
        .feature-icon {
            width: 56px; height: 56px; border-radius: 14px;
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 18px; font-size: 1.6rem;
        }
        .feature-icon.blue { background: #dbeafe; color: var(--primary); }
        .feature-icon.amber { background: #fef3c7; color: #d97706; }
        .feature-icon.green { background: #d1fae5; color: #059669; }
        .feature-icon.rose { background: #ffe4e6; color: #e11d48; }
        .feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
        .feature-card p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.6; }

        /* ===== 分类入口 ===== */
        .category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        @media (max-width: 900px) { .category-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 520px) { .category-grid { grid-template-columns: 1fr; } }
        .category-card {
            border-radius: var(--radius); overflow: hidden;
            position: relative; box-shadow: var(--shadow);
            transition: var(--transition); background: var(--bg-card);
            border: 1px solid var(--border-light);
        }
        .category-card:hover {
            box-shadow: var(--shadow-hover); transform: translateY(-4px);
        }
        .category-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
        .category-card .overlay {
            position: absolute; bottom: 0; left: 0; right: 0;
            padding: 20px 24px;
            background: linear-gradient(transparent, rgba(15,31,61,0.85));
            color: #fff;
        }
        .category-card .overlay h3 { font-size: 1.15rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
        .category-card .overlay p { font-size: 0.85rem; opacity: 0.8; }
        .category-card .cat-badge {
            position: absolute; top: 16px; left: 16px; z-index: 2;
        }

        /* ===== 资讯列表 ===== */
        .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        @media (max-width: 900px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 520px) { .news-grid { grid-template-columns: 1fr; } }
        .news-card .card-body { padding: 20px; }
        .news-card .meta { display: flex; align-items: center; gap: 16px; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 10px; }
        .news-card .meta .cat-tag { background: var(--accent); color: #1e293b; padding: 2px 12px; border-radius: 50px; font-weight: 600; }
        .news-card .card-title { font-size: 1.05rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-card .card-text { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 0.9rem; }

        /* ===== 流程步骤 ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
        @media (max-width: 900px) { .steps-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 520px) { .steps-grid { grid-template-columns: 1fr; } }
        .step-item { text-align: center; position: relative; }
        .step-number {
            width: 56px; height: 56px; border-radius: 50%;
            background: var(--primary); color: #fff;
            display: flex; align-items: center; justify-content: center;
            font-size: 1.4rem; font-weight: 800; margin: 0 auto 16px;
            position: relative; z-index: 2;
            box-shadow: 0 4px 16px rgba(26,54,93,0.2);
        }
        .step-item h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
        .step-item p { font-size: 0.9rem; color: var(--text-secondary); max-width: 220px; margin: 0 auto; }
        .step-line {
            display: none;
        }
        @media (min-width: 901px) {
            .step-line {
                display: block; position: absolute; top: 28px; left: 12%; right: 12%;
                height: 2px; background: linear-gradient(to right, var(--primary), var(--accent));
                z-index: 0; opacity: 0.25;
            }
        }

        /* ===== 数据板块 ===== */
        .data-section {
            background: var(--primary-dark); position: relative; overflow: hidden;
        }
        .data-section::before {
            content: ''; position: absolute; inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover; background-position: center;
            opacity: 0.12;
        }
        .data-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; z-index: 1; }
        @media (max-width: 768px) { .data-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; } }
        @media (max-width: 520px) { .data-grid { grid-template-columns: 1fr; } }
        .data-item { text-align: center; color: #fff; }
        .data-item .num { font-size: 2.6rem; font-weight: 900; color: var(--accent); line-height: 1.1; }
        .data-item .label { font-size: 0.95rem; color: rgba(255,255,255,0.65); margin-top: 6px; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 780px; margin: 0 auto; }
        .faq-item {
            border-bottom: 1px solid var(--border); padding: 20px 0;
        }
        .faq-question {
            display: flex; justify-content: space-between; align-items: center;
            font-size: 1.05rem; font-weight: 600; cursor: pointer;
            padding: 4px 0; transition: var(--transition);
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question .icon { font-size: 1.2rem; color: var(--text-muted); transition: var(--transition); }
        .faq-item.open .faq-question .icon { transform: rotate(45deg); color: var(--accent); }
        .faq-answer {
            max-height: 0; overflow: hidden; transition: var(--transition);
            color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7;
        }
        .faq-item.open .faq-answer { max-height: 300px; padding-top: 12px; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary); position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover; background-position: center;
            opacity: 0.10;
        }
        .cta-content { position: relative; z-index: 1; text-align: center; color: #fff; }
        .cta-content h2 { font-size: 2.2rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
        .cta-content p { font-size: 1.05rem; opacity: 0.8; max-width: 560px; margin: 0 auto 32px; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
        @media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
        .footer-brand .logo { color: #fff; margin-bottom: 16px; }
        .footer-brand p { font-size: 0.92rem; line-height: 1.7; max-width: 320px; }
        .footer-col h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { font-size: 0.9rem; color: rgba(255,255,255,0.6); transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--accent); }
        .footer-bottom { padding: 20px 0; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.4); }
        .footer-socials { display: flex; gap: 12px; margin-top: 16px; }
        .footer-socials a {
            width: 40px; height: 40px; border-radius: 10px;
            background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.6);
            display: flex; align-items: center; justify-content: center;
            font-size: 1.1rem; transition: var(--transition);
        }
        .footer-socials a:hover { background: var(--accent); color: #1e293b; }

        /* ===== 空状态 ===== */
        .empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
        .empty-state i { font-size: 2.4rem; margin-bottom: 16px; display: block; }
        .empty-state p { font-size: 1rem; }

        /* ===== 响应式微调 ===== */
        @media (max-width: 640px) {
            .section-title { font-size: 1.5rem; }
            .hero-title { font-size: 1.8rem; }
            .btn { padding: 12px 24px; font-size: 0.95rem; }
            .data-item .num { font-size: 2rem; }
            .cta-content h2 { font-size: 1.6rem; }
        }

        /* ===== 焦点状态 ===== */
        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 3px solid var(--accent); outline-offset: 2px;
            border-radius: var(--radius-xs);
        }

        /* ===== 滚动渐入 ===== */
        .fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
        .fade-in.visible { opacity: 1; transform: translateY(0); }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #f1c0b0;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --accent-dark: #e76f51;
            --bg-body: #f8f9fa;
            --bg-card: #ffffff;
            --bg-dark: #1d3557;
            --bg-soft: #f1f5f9;
            --text-main: #1a1a2e;
            --text-light: #6c757d;
            --text-white: #ffffff;
            --border-color: #e0e0e0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
        }

        /* ===== 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-main);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }

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

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

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            z-index: 1000;
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.02em;
        }
        .logo .logo-icon {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .logo a {
            color: var(--secondary);
        }
        .logo a:hover {
            color: var(--primary);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list li {
            display: flex;
            align-items: center;
        }
        .nav-link {
            padding: 8px 18px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.10);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

        .nav-cta .btn {
            margin-left: 12px;
        }

        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--secondary);
            background: none;
            border: none;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border: 2px solid transparent;
            cursor: pointer;
            text-align: center;
            justify-content: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.30);
            color: var(--text-white);
        }
        .btn-secondary {
            background: var(--secondary);
            color: var(--text-white);
            border-color: var(--secondary);
        }
        .btn-secondary:hover {
            background: #162a45;
            border-color: #162a45;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(29, 53, 87, 0.30);
            color: var(--text-white);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--text-white);
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(244, 162, 97, 0.35);
            color: var(--text-white);
        }
        .btn-outline {
            background: transparent;
            color: var(--secondary);
            border-color: var(--secondary);
        }
        .btn-outline:hover {
            background: var(--secondary);
            color: var(--text-white);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 6px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }
        .btn:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* ===== Hero ===== */
        .page-hero {
            margin-top: var(--header-h);
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--secondary) 0%, #0f1a2e 70%);
            position: relative;
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .page-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center center;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 3.2rem;
            color: var(--text-white);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.30);
        }
        .page-hero p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 700px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .hero-search {
            display: flex;
            max-width: 520px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            padding: 4px;
            border: 1px solid rgba(255, 255, 255, 0.20);
        }
        .hero-search input {
            flex: 1;
            padding: 14px 20px;
            background: transparent;
            color: var(--text-white);
            font-size: 1rem;
            border-radius: var(--radius-lg) 0 0 var(--radius-lg);
        }
        .hero-search input::placeholder {
            color: rgba(255, 255, 255, 0.60);
        }
        .hero-search button {
            padding: 14px 28px;
            background: var(--primary);
            color: var(--text-white);
            font-weight: 600;
            border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .hero-search button:hover {
            background: var(--primary-dark);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-soft);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark h2,
        .section-dark h3 {
            color: var(--text-white);
        }

        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.70);
        }

        .badge {
            display: inline-block;
            padding: 4px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 100px;
            background: rgba(230, 57, 70, 0.10);
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .badge-light {
            background: rgba(255, 255, 255, 0.15);
            color: var(--text-white);
        }

        /* ===== 赛事分类 Tab ===== */
        .sports-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-bottom: 48px;
        }
        .sports-tab {
            padding: 10px 24px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--bg-card);
            border: 2px solid var(--border-color);
            color: var(--text-main);
            transition: var(--transition);
            cursor: pointer;
        }
        .sports-tab:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .sports-tab.active {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--text-white);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-color);
        }
        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .sport-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-soft);
        }
        .sport-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .sport-card:hover .card-img img {
            transform: scale(1.06);
        }
        .sport-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 700;
            background: var(--primary);
            color: var(--text-white);
            backdrop-filter: blur(4px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
        }
        .sport-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .sport-card .card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .sport-card .card-body .meta {
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }
        .sport-card .card-body .meta i {
            width: 16px;
            color: var(--primary);
        }
        .sport-card .card-body p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }
        .sport-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
            margin-top: auto;
        }
        .sport-card .card-footer .tag {
            font-size: 0.8rem;
            padding: 4px 12px;
            border-radius: 100px;
            background: var(--bg-soft);
            color: var(--text-light);
            font-weight: 500;
        }
        .sport-card .card-footer .btn-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
        }
        .sport-card .card-footer .btn-link:hover {
            color: var(--primary-dark);
            gap: 6px;
        }

        /* ===== 赛事日程 ===== */
        .schedule-list {
            display: grid;
            gap: 16px;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 18px 24px;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--primary);
            transition: var(--transition);
        }
        .schedule-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .schedule-item .date {
            min-width: 60px;
            text-align: center;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--secondary);
        }
        .schedule-item .date span {
            display: block;
            font-size: 0.75rem;
            font-weight: 400;
            color: var(--text-light);
        }
        .schedule-item .info {
            flex: 1;
        }
        .schedule-item .info h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .schedule-item .info p {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .schedule-item .status {
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(69, 123, 157, 0.12);
            color: var(--secondary-light);
        }
        .schedule-item .status.live {
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary);
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 36px 20px;
            border: 1px solid rgba(255, 255, 255, 0.10);
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-4px);
        }
        .stat-card .num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 8px;
            font-weight: 500;
        }
        .stat-card .num i {
            font-size: 2rem;
            margin-right: 6px;
            opacity: 0.8;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            color: var(--text-main);
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s ease;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--secondary) 0%, #0f1a2e 70%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            color: var(--text-white);
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.80);
            max-width: 580px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            color: var(--text-white);
            font-size: 1.4rem;
            margin-bottom: 16px;
        }
        .footer-brand .logo .logo-icon {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            max-width: 340px;
            margin-bottom: 20px;
        }
        .footer-socials {
            display: flex;
            gap: 14px;
        }
        .footer-socials a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.70);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-3px);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 18px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.60);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .page-hero h1 {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            .nav-list {
                display: none;
                flex-direction: column;
                position: absolute;
                top: var(--header-h);
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                padding: 16px 24px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--border-color);
                gap: 4px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li {
                width: 100%;
            }
            .nav-link {
                width: 100%;
                padding: 12px 16px;
            }
            .nav-cta {
                margin-top: 8px;
            }
            .nav-cta .btn {
                width: 100%;
                margin-left: 0;
            }
            .nav-toggle {
                display: block;
            }

            .page-hero {
                padding: 80px 0 60px;
                min-height: 300px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
            .hero-search {
                flex-direction: column;
                background: transparent;
                border: none;
                padding: 0;
                gap: 10px;
            }
            .hero-search input {
                background: rgba(255, 255, 255, 0.12);
                border-radius: var(--radius-sm);
                padding: 12px 16px;
            }
            .hero-search button {
                border-radius: var(--radius-sm);
                padding: 12px;
            }

            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 24px 14px;
            }
            .stat-card .num {
                font-size: 2rem;
            }

            .schedule-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 16px 18px;
            }
            .schedule-item .date {
                display: flex;
                align-items: center;
                gap: 8px;
                min-width: auto;
            }
            .schedule-item .date span {
                display: inline;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand p {
                max-width: 100%;
            }

            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-section .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .cta-section .btn-group .btn {
                width: 100%;
                max-width: 300px;
            }

            .sports-tabs {
                gap: 8px;
            }
            .sports-tab {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero p {
                font-size: 0.9rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card .num {
                font-size: 1.6rem;
            }
            .logo {
                font-size: 1.2rem;
            }
            .sport-card .card-body {
                padding: 16px 18px 18px;
            }
            .sport-card .card-body h3 {
                font-size: 1.1rem;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.9rem;
            }
        }

        /* ===== 工具 ===== */
        .mt-1 {
            margin-top: 12px;
        }
        .mt-2 {
            margin-top: 24px;
        }
        .mt-3 {
            margin-top: 40px;
        }
        .text-center {
            text-align: center;
        }
        .gap-2 {
            gap: 12px;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
        }
        .justify-center {
            justify-content: center;
        }

        /* ===== 焦点可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #2d8a4e;
            --primary-dark: #1f6b38;
            --primary-light: #4aaf6a;
            --primary-bg: #e8f5ed;
            --accent: #f5a623;
            --accent-dark: #d48f1a;
            --accent-light: #ffd54f;
            --bg: #f8faf9;
            --bg-card: #ffffff;
            --bg-dark: #1a2e1a;
            --bg-soft: #f0f5f2;
            --text: #1a2e1a;
            --text-light: #5a7a5a;
            --text-muted: #8a9a8a;
            --border: #dce8e0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 4px 24px rgba(45, 138, 78, 0.08);
            --shadow-hover: 0 12px 40px rgba(45, 138, 78, 0.15);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.05);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --content-width: 780px;
        }

        /* ===== 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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text);
        }

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

        .container-narrow {
            max-width: var(--content-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 12px;
            color: #fff;
            font-size: 20px;
        }
        .logo span:last-child {
            color: var(--text);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 15px;
            color: var(--text-light);
            transition: var(--transition);
            position: relative;
        }
        .nav-list li a:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .nav-list li a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 12px rgba(45, 138, 78, 0.3);
        }
        .nav-list li a.active:hover {
            background: var(--primary-dark);
        }
        .nav-cta a.btn {
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            background: none;
            border: none;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text);
            border-radius: 4px;
            transition: var(--transition);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            background: var(--bg-card);
            color: var(--text);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(45, 138, 78, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .btn-accent {
            background: var(--accent);
            color: #1a2e1a;
            box-shadow: 0 4px 16px rgba(245, 166, 35, 0.3);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #1a2e1a;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--border);
            color: var(--text);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-bg);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 18px 40px;
            font-size: 17px;
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            background: var(--primary-bg);
            color: var(--primary);
            white-space: nowrap;
        }
        .badge-accent {
            background: rgba(245, 166, 35, 0.15);
            color: var(--accent-dark);
        }
        .badge-sm {
            padding: 2px 10px;
            font-size: 11px;
        }

        /* ===== Article Page Specific ===== */

        /* --- Article Hero --- */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 46, 26, 0.85) 0%, rgba(26, 46, 26, 0.6) 60%, rgba(45, 138, 78, 0.3) 100%);
            z-index: 1;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-hero-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }
        .article-hero-meta .badge {
            font-size: 13px;
            padding: 6px 18px;
        }
        .article-hero-meta .date {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            max-width: 800px;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .article-hero .lead {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            line-height: 1.6;
        }
        .article-hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 28px;
        }
        .article-hero-stats span {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero-stats span i {
            color: var(--accent);
        }

        /* --- Breadcrumb --- */
        .breadcrumb-wrap {
            padding: 16px 0;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--border);
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        /* --- Article Content --- */
        .article-content-wrap {
            padding: 48px 0 64px;
            background: var(--bg);
        }

        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 48px 56px;
            box-shadow: var(--shadow);
        }

        .article-body .content {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body .content p {
            margin-bottom: 1.4em;
        }
        .article-body .content h2 {
            font-size: 28px;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            color: var(--text);
        }
        .article-body .content h3 {
            font-size: 22px;
            margin-top: 1.6em;
            margin-bottom: 0.5em;
            color: var(--text);
        }
        .article-body .content h4 {
            font-size: 18px;
            margin-top: 1.4em;
            margin-bottom: 0.4em;
            color: var(--text);
        }
        .article-body .content ul,
        .article-body .content ol {
            margin-bottom: 1.4em;
            padding-left: 24px;
        }
        .article-body .content ul li {
            list-style: disc;
            margin-bottom: 0.3em;
        }
        .article-body .content ol li {
            list-style: decimal;
            margin-bottom: 0.3em;
        }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.6em 0;
            background: var(--primary-bg);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-body .content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body .content a:hover {
            color: var(--primary-dark);
        }
        .article-body .content img {
            border-radius: var(--radius-sm);
            margin: 1.6em 0;
            box-shadow: var(--shadow);
        }
        .article-body .content .wp-caption {
            margin: 1.6em 0;
            text-align: center;
        }
        .article-body .content .wp-caption img {
            margin: 0 auto;
        }
        .article-body .content .wp-caption p {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* --- Article Footer (tags, share) --- */
        .article-footer {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-soft);
            color: var(--text-light);
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--primary-bg);
            color: var(--primary);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-share span {
            font-size: 14px;
            color: var(--text-muted);
            margin-right: 4px;
        }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-soft);
            color: var(--text-light);
            font-size: 16px;
            transition: var(--transition);
        }
        .article-share a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* --- Post Navigation --- */
        .post-navigation {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 40px;
        }
        .post-nav-item {
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .post-nav-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .post-nav-item .nav-label {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--text-muted);
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .post-nav-item .nav-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }
        .post-nav-item.next {
            text-align: right;
        }
        .post-nav-item.next .nav-label {
            justify-content: flex-end;
        }

        /* --- Related Posts --- */
        .related-section {
            padding: 64px 0;
            background: var(--bg-soft);
        }
        .related-section .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .related-section .section-sub {
            color: var(--text-muted);
            margin-bottom: 36px;
            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;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }
        .related-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 20px 22px 24px;
        }
        .related-card .card-badge {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            background: var(--primary-bg);
            color: var(--primary);
            margin-bottom: 8px;
        }
        .related-card .card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-title a {
            color: var(--text);
        }
        .related-card .card-title a:hover {
            color: var(--primary);
        }
        .related-card .card-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* --- CTA --- */
        .article-cta {
            padding: 60px 0;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .article-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 46, 26, 0.88) 0%, rgba(26, 46, 26, 0.7) 100%);
            z-index: 1;
        }
        .article-cta .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .article-cta h2 {
            font-size: 34px;
            color: #fff;
            margin-bottom: 12px;
        }
        .article-cta p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .article-cta .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }
        .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 .logo {
            color: #fff;
            font-size: 22px;
            margin-bottom: 16px;
        }
        .footer-brand .logo .logo-icon {
            background: var(--accent);
            color: var(--bg-dark);
        }
        .footer-brand .logo span:last-child {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-socials {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }
        .footer-socials 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: 17px;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            background: var(--accent);
            color: var(--bg-dark);
            transform: translateY(-3px);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom p {
            margin: 0;
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .not-found-box .icon {
            font-size: 64px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .not-found-box h2 {
            font-size: 28px;
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-hero h1 {
                font-size: 36px;
            }
            .article-body {
                padding: 36px 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-list {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-nav);
                gap: 4px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 12px 20px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-cta {
                margin-top: 8px;
                width: 100%;
            }
            .nav-cta a.btn {
                width: 100%;
                justify-content: center;
            }
            .nav-toggle {
                display: flex;
            }

            .header-inner {
                height: 64px;
            }
            .logo {
                font-size: 20px;
            }
            .logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .article-hero {
                padding: 48px 0 40px;
                background-attachment: scroll;
            }
            .article-hero h1 {
                font-size: 28px;
            }
            .article-hero .lead {
                font-size: 16px;
            }
            .article-hero-stats {
                gap: 16px;
            }

            .article-body {
                padding: 24px 20px;
                border-radius: var(--radius-sm);
            }
            .article-body .content {
                font-size: 16px;
            }
            .article-body .content h2 {
                font-size: 24px;
            }
            .article-body .content h3 {
                font-size: 19px;
            }

            .article-footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .post-navigation {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .post-nav-item.next {
                text-align: left;
            }
            .post-nav-item.next .nav-label {
                justify-content: flex-start;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-section .section-title {
                font-size: 24px;
            }

            .article-cta {
                padding: 40px 0;
            }
            .article-cta h2 {
                font-size: 26px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 22px;
            }
            .article-hero .lead {
                font-size: 14px;
            }
            .article-body {
                padding: 16px 14px;
            }
            .article-body .content {
                font-size: 15px;
            }
            .article-body .content h2 {
                font-size: 20px;
            }
            .article-body .content h3 {
                font-size: 17px;
            }
            .article-cta h2 {
                font-size: 22px;
            }
            .article-cta .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .article-cta .btn-group .btn {
                width: 100%;
                max-width: 280px;
            }
            .related-card .card-img {
                height: 160px;
            }
            .container {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
        }