/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1a2b;
            --primary-light: #1a3050;
            --primary-mid: #2d5a8e;
            --accent: #d4a045;
            --accent-light: #e8c06a;
            --accent-hover: #c08d30;
            --bg: #ffffff;
            --bg-light: #f6f8fb;
            --bg-dark: #0a111f;
            --bg-card: #ffffff;
            --text: #111827;
            --text-light: #6b7280;
            --text-lighter: #9ca3af;
            --text-white: #ffffff;
            --border: #e5e7eb;
            --border-light: #f0f2f5;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 4px 24px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.10);
            --shadow-lg: 0 24px 64px rgba(0,0,0,0.12);
            --transition: all 0.30s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --section-spacing: 100px;
            --card-radius: 14px;
        }

        /* ===== 基础重置 ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            font-size: 16px;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary-mid); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--text); }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow { max-width: 900px; margin: 0 auto; padding: 0 24px; }
        .container-wide { max-width: 1360px; margin: 0 auto; padding: 0 24px; }

        /* ===== 板块间距 ===== */
        .section { padding: var(--section-spacing) 0; }
        .section-title {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-title h2 {
            font-size: clamp(28px, 3.4vw, 42px);
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--primary);
        }
        .section-title p {
            color: var(--text-light);
            font-size: 18px;
            margin-top: 12px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-title .accent-line {
            display: block;
            width: 48px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 16px auto 0;
        }

        /* ===== 头部 & 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            z-index: 1000;
            transition: var(--transition);
        }
        .site-header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.06); }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            font-size: 22px;
            font-weight: 900;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo:hover { color: var(--accent); }
        .logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            font-weight: 900;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 36px;
        }
        .nav-list a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            position: relative;
            padding: 4px 0;
            letter-spacing: 0.01em;
            transition: var(--transition);
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: 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(--accent); }
        .nav-cta {
            background: var(--accent) !important;
            color: var(--primary) !important;
            padding: 8px 24px !important;
            border-radius: 50px !important;
            font-weight: 600 !important;
            font-size: 14px !important;
            transition: var(--transition) !important;
        }
        .nav-cta::after { display: none !important; }
        .nav-cta:hover { background: var(--accent-hover) !important; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(212,160,69,0.30); }
        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--text);
            font-size: 24px;
            line-height: 1;
        }

        /* ===== Hero ===== */
        .hero {
            padding: calc(var(--header-height) + 80px) 0 80px;
            background: linear-gradient(160deg, #0a111f 0%, #162a44 60%, #1a3050 100%);
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(212,160,69,0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(45,90,142,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container { position: relative; z-index: 1; }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: clamp(36px, 4.6vw, 58px);
            font-weight: 900;
            letter-spacing: -0.03em;
            line-height: 1.15;
            color: var(--text-white);
        }
        .hero-content h1 .highlight { color: var(--accent-light); }
        .hero-content .subtitle {
            font-size: 18px;
            color: rgba(255,255,255,0.70);
            margin-top: 20px;
            line-height: 1.8;
            max-width: 520px;
        }
        .hero-badges {
            display: flex;
            gap: 16px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .hero-badge {
            background: rgba(255,255,255,0.08);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255,255,255,0.10);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 13px;
            color: rgba(255,255,255,0.80);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-badge i { color: var(--accent-light); font-size: 14px; }
        .hero-actions {
            display: flex;
            gap: 16px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(212,160,69,0.35); color: var(--primary); }
        .btn-outline-light {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255,255,255,0.25);
        }
        .btn-outline-light:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.45); transform: translateY(-2px); color: var(--text-white); }
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-card {
            background: rgba(255,255,255,0.04);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 20px;
            padding: 40px 36px;
            width: 100%;
            max-width: 440px;
            box-shadow: 0 24px 64px rgba(0,0,0,0.20);
        }
        .hero-card .card-stat {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 16px;
            text-align: center;
            margin-bottom: 28px;
        }
        .hero-card .stat-item .num { font-size: 28px; font-weight: 900; color: var(--accent-light); display: block; }
        .hero-card .stat-item .label { font-size: 13px; color: rgba(255,255,255,0.55); margin-top: 2px; }
        .hero-card .card-divider { height: 1px; background: rgba(255,255,255,0.08); margin: 20px 0; }
        .hero-card .card-features { display: flex; flex-direction: column; gap: 12px; }
        .hero-card .feature-row { display: flex; align-items: center; gap: 12px; font-size: 14px; color: rgba(255,255,255,0.75); }
        .hero-card .feature-row i { color: var(--accent-light); width: 20px; text-align: center; }

        /* ===== 优势板块 ===== */
        .advantages { background: var(--bg-light); }
        .adv-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .adv-card {
            background: var(--bg-card);
            border-radius: var(--card-radius);
            padding: 36px 30px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .adv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .adv-card .icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent-light);
            margin-bottom: 20px;
        }
        .adv-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; color: var(--primary); }
        .adv-card p { color: var(--text-light); font-size: 15px; line-height: 1.7; }

        /* ===== 分类入口 ===== */
        .categories .cat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .cat-card {
            border-radius: var(--card-radius);
            padding: 42px 36px;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
            color: var(--text-white);
            min-height: 220px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
        }
        .cat-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            z-index: 0;
            border-radius: var(--card-radius);
        }
        .cat-card .cat-bg-pattern {
            position: absolute;
            inset: 0;
            z-index: 1;
            opacity: 0.06;
            background-image: radial-gradient(circle at 20% 40%, #fff 1px, transparent 1px), radial-gradient(circle at 80% 70%, #fff 1px, transparent 1px);
            background-size: 40px 40px, 30px 30px;
            border-radius: var(--card-radius);
        }
        .cat-card > * { position: relative; z-index: 2; }
        .cat-card .cat-tag {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
            width: fit-content;
        }
        .cat-card h3 { font-size: 26px; font-weight: 800; color: var(--text-white); margin-bottom: 8px; }
        .cat-card p { color: rgba(255,255,255,0.70); font-size: 15px; max-width: 300px; }
        .cat-card .cat-link {
            margin-top: 16px;
            color: var(--accent-light);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
        }
        .cat-card .cat-link:hover { gap: 12px; color: var(--text-white); }
        .cat-card.cat-alt::before { background: linear-gradient(135deg, #1a3050 0%, #2d5a8e 100%); }

        /* ===== 最新资讯 (CMS) ===== */
        .news-section { background: var(--bg-light); }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--card-radius);
            padding: 28px 30px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
            font-size: 13px;
            color: var(--text-lighter);
        }
        .news-card .news-tag {
            background: var(--bg-light);
            color: var(--primary-mid);
            padding: 2px 12px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 12px;
        }
        .news-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; line-height: 1.4; }
        .news-card h3 a { color: var(--text); }
        .news-card h3 a:hover { color: var(--accent); }
        .news-card p { color: var(--text-light); font-size: 14px; line-height: 1.7; flex: 1; }
        .news-card .news-footer {
            margin-top: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-lighter);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }
        .news-card .news-footer a { color: var(--primary-mid); font-weight: 500; }
        .news-card .news-footer a:hover { color: var(--accent); }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            color: var(--text-light);
            background: var(--bg-card);
            border-radius: var(--card-radius);
            border: 1px dashed var(--border);
        }
        .news-empty i { font-size: 36px; color: var(--text-lighter); margin-bottom: 12px; display: block; }

        /* ===== 数据统计 ===== */
        .stats {
            background: var(--primary);
            color: var(--text-white);
        }
        .stats .section-title h2 { color: var(--text-white); }
        .stats .section-title p { color: rgba(255,255,255,0.60); }
        .stats .section-title .accent-line { background: var(--accent); }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }
        .stat-card { padding: 20px; }
        .stat-card .num {
            font-size: 42px;
            font-weight: 900;
            color: var(--accent-light);
            line-height: 1.1;
        }
        .stat-card .num-suffix { font-size: 24px; font-weight: 600; color: var(--accent-light); }
        .stat-card .label { color: rgba(255,255,255,0.60); font-size: 15px; margin-top: 6px; }

        /* ===== 使用流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            counter-reset: step;
        }
        .step-card {
            text-align: center;
            padding: 36px 24px;
            border-radius: var(--card-radius);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .step-card .step-num {
            counter-increment: step;
            width: 48px;
            height: 48px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 900;
            font-size: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
        }
        .step-card h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
        .step-card p { color: var(--text-light); font-size: 14px; max-width: 280px; margin: 0 auto; line-height: 1.7; }
        .step-connector { display: none; }

        /* ===== FAQ ===== */
        .faq-section { background: var(--bg-light); }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--border); }
        .faq-question {
            padding: 20px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover { color: var(--primary-mid); }
        .faq-question i { color: var(--accent); transition: var(--transition); font-size: 14px; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 28px 20px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(160deg, #0a111f 0%, #162a44 60%, #1a3050 100%);
            color: var(--text-white);
            text-align: center;
            padding: 80px 0;
        }
        .cta-section h2 { font-size: clamp(28px, 3.2vw, 40px); font-weight: 900; color: var(--text-white); }
        .cta-section p { color: rgba(255,255,255,0.65); font-size: 18px; margin: 16px 0 32px; max-width: 560px; margin-left: auto; margin-right: auto; }
        .cta-section .btn { font-size: 18px; padding: 16px 44px; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.60);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { color: var(--text-white); margin-bottom: 12px; }
        .footer-brand p { font-size: 14px; line-height: 1.8; max-width: 320px; }
        .footer-col h4 { color: var(--text-white); font-size: 15px; font-weight: 600; margin-bottom: 16px; }
        .footer-col a { display: block; color: rgba(255,255,255,0.50); font-size: 14px; padding: 4px 0; transition: var(--transition); }
        .footer-col a:hover { color: var(--accent-light); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255,255,255,0.35);
        }
        .footer-bottom a { color: rgba(255,255,255,0.35); }
        .footer-bottom a:hover { color: var(--accent-light); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr; gap: 40px; }
            .hero-content { text-align: center; }
            .hero-content .subtitle { margin-left: auto; margin-right: auto; }
            .hero-badges { justify-content: center; }
            .hero-actions { justify-content: center; }
            .hero-card { max-width: 100%; }
            .adv-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
        }
        @media (max-width: 768px) {
            :root { --section-spacing: 60px; }
            .nav-list { display: none; }
            .hamburger { display: block; }
            .nav-list.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(12px);
                padding: 20px 24px;
                gap: 16px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-lg);
            }
            .nav-list.open a { font-size: 16px; padding: 8px 0; }
            .nav-list.open .nav-cta { text-align: center; }
            .hero { padding: calc(var(--header-height) + 40px) 0 50px; }
            .hero-content h1 { font-size: 32px; }
            .adv-grid { grid-template-columns: 1fr; }
            .categories .cat-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stat-card .num { font-size: 32px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .faq-question { font-size: 15px; padding: 16px 20px; }
            .faq-answer { padding: 0 20px 16px; }
        }
        @media (max-width: 520px) {
            .hero-content h1 { font-size: 26px; }
            .hero-badges { flex-direction: column; align-items: center; }
            .hero-actions { flex-direction: column; align-items: center; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .section-title h2 { font-size: 24px; }
            .cat-card { padding: 28px 24px; min-height: 180px; }
            .cat-card h3 { font-size: 20px; }
            .news-card { padding: 20px; }
            .stat-card .num { font-size: 26px; }
            .cta-section h2 { font-size: 24px; }
            .cta-section .btn { width: 100%; justify-content: center; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --accent: #d4a854;
            --accent-light: #e8c97a;
            --accent-dark: #b88a30;
            --bg-body: #f7f5f2;
            --bg-white: #ffffff;
            --bg-dark: #0f1923;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5a;
            --text-muted: #8a8a9a;
            --text-light: #f0ebe4;
            --border-light: #e8e3dd;
            --border-accent: #d4a854;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --nav-height: 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);
            background-color: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 2.5rem;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 168, 84, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary-light);
            border: 2px solid var(--primary-light);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-white {
            background: #fff;
            color: var(--primary-dark);
        }
        .btn-white:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary-dark);
            text-decoration: none;
            letter-spacing: -0.02em;
        }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 8px;
            font-weight: 800;
            font-size: 1.2rem;
        }
        .logo:hover {
            color: var(--primary-dark);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all var(--transition);
            position: relative;
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-list a:hover {
            color: var(--primary-dark);
            background: rgba(212, 168, 84, 0.08);
        }
        .nav-list a:hover::after {
            width: 60%;
        }
        .nav-list a.active {
            color: var(--primary-dark);
            background: rgba(212, 168, 84, 0.12);
        }
        .nav-list a.active::after {
            width: 60%;
        }
        .nav-list a.nav-cta {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
        }
        .nav-list a.nav-cta::after {
            display: none;
        }
        .nav-list a.nav-cta:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(212, 168, 84, 0.35);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--primary-dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* ===== Hero ===== */
        .page-hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            padding: 80px 0 70px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(212, 168, 84, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212, 168, 84, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            line-height: 1.8;
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(212, 168, 84, 0.2);
            color: var(--accent-light);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1.2rem;
            border: 1px solid rgba(212, 168, 84, 0.25);
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 70px 0;
        }
        .section-block.alt-bg {
            background: var(--bg-white);
        }
        .section-block.dark-bg {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-block .divider {
            width: 60px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin: 0 auto 1.5rem;
        }

        /* ===== 步骤卡片 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 20px;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 36px 30px 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }
        .step-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== 帮助列表 ===== */
        .help-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .help-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--bg-card);
            padding: 24px 28px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: default;
        }
        .help-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .help-item .icon-wrap {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: rgba(212, 168, 84, 0.12);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-dark);
            font-size: 1.2rem;
        }
        .help-item .content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }
        .help-item .content p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== 安全标识 ===== */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .safety-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 30px 24px;
            text-align: center;
            transition: all var(--transition);
        }
        .safety-card:hover {
            border-color: var(--accent);
            background: rgba(212, 168, 84, 0.08);
            transform: translateY(-4px);
        }
        .safety-card .icon {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 14px;
        }
        .safety-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .safety-card p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            text-align: left;
            transition: background var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            background: rgba(212, 168, 84, 0.05);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(212, 168, 84, 0.12);
            border-radius: 50%;
            color: var(--accent-dark);
            font-size: 0.85rem;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(90deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(212, 168, 84, 0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 2rem;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.92rem;
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .safety-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-list {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px 20px 24px;
                gap: 4px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                border-bottom: 2px solid var(--border-light);
                pointer-events: none;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list a {
                padding: 12px 16px;
                font-size: 1rem;
                width: 100%;
            }
            .nav-list a.nav-cta {
                margin-top: 8px;
                justify-content: center;
            }

            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
            .page-hero {
                padding: 60px 0 50px;
            }

            .section-block {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .help-list {
                grid-template-columns: 1fr;
            }
            .safety-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .safety-grid {
                grid-template-columns: 1fr;
            }
            .step-card {
                padding: 24px 20px;
            }
            .help-item {
                padding: 18px 20px;
                flex-direction: column;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
        }

        /* ===== 额外微交互动效 ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-up {
            animation: fadeUp 0.6s ease forwards;
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: article */
:root {
            --color-primary: #1a3a5c;
            --color-primary-light: #2a5a8a;
            --color-primary-dark: #0f2440;
            --color-accent: #c9a84c;
            --color-accent-light: #e0c66a;
            --color-accent-dark: #a88a30;
            --color-bg: #f8f7f4;
            --color-bg-alt: #f0efe9;
            --color-bg-dark: #1a1a2e;
            --color-card: #ffffff;
            --color-text: #2c2c2c;
            --color-text-light: #666666;
            --color-text-lighter: #999999;
            --color-border: #e8e6e0;
            --color-border-light: #f0efe9;
            --color-success: #4a9e6b;
            --color-error: #d9534f;
            --color-star: #f5b342;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.07);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.14);
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --font-serif: 'Georgia', 'Noto Serif SC', serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 72px;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; }

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

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

        @media screen and (max-width: 520px) {
            .container { padding: 0 12px; }
        }

        .section-padding { padding: 72px 0; }
        @media screen and (max-width: 768px) { .section-padding { padding: 48px 0; } }
        @media screen and (max-width: 520px) { .section-padding { padding: 36px 0; } }

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

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--color-primary-dark);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto 40px;
            line-height: 1.6;
        }
        @media screen and (max-width: 768px) {
            .section-title { font-size: 1.6rem; }
            .section-subtitle { font-size: 1rem; margin-bottom: 28px; }
        }
        @media screen and (max-width: 520px) {
            .section-title { font-size: 1.3rem; }
        }

        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
            background: var(--color-accent);
            color: #fff;
            transition: var(--transition);
        }
        .badge-sm { padding: 2px 10px; font-size: 0.65rem; }
        .badge-outline { background: transparent; border: 1.5px solid var(--color-accent); color: var(--color-accent); }
        .badge-primary { background: var(--color-primary); color: #fff; }
        .badge:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn i { font-size: 0.9em; transition: transform 0.3s; }
        .btn:hover i { transform: translateX(4px); }
        .btn:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.35);
        }
        .btn-primary:hover { background: var(--color-accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(201, 168, 76, 0.45); }
        .btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(201, 168, 76, 0.3); }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-outline:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .btn-outline:active { transform: translateY(0); }

        .btn-white {
            background: #fff;
            color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }
        .btn-white:hover { background: var(--color-bg); transform: translateY(-2px); box-shadow: var(--shadow-md); }

        .btn-sm { padding: 8px 18px; font-size: 0.85rem; }
        .btn-lg { padding: 16px 36px; font-size: 1.05rem; }
        @media screen and (max-width: 520px) { .btn { padding: 10px 22px; font-size: 0.9rem; } }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            transition: var(--transition);
        }
        .site-header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.06); }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            text-decoration: none;
            letter-spacing: -0.3px;
        }
        .logo:hover { color: var(--color-primary); }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            transition: var(--transition);
            position: relative;
        }
        .nav-list a:hover { background: var(--color-bg-alt); color: var(--color-primary); }
        .nav-list a.active {
            background: var(--color-primary);
            color: #fff;
        }
        .nav-list a.active:hover { background: var(--color-primary-light); }
        .nav-list a.nav-cta {
            background: var(--color-accent);
            color: #fff;
            padding: 8px 22px;
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(201, 168, 76, 0.3);
        }
        .nav-list a.nav-cta:hover { background: var(--color-accent-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(201, 168, 76, 0.4); }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover { background: var(--color-bg-alt); }

        @media screen and (max-width: 768px) {
            .nav-toggle { display: block; }
            .nav-list {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(16px);
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
            }
            .nav-list.open { display: flex; }
            .nav-list a { width: 100%; padding: 12px 18px; border-radius: var(--radius-md); }
            .nav-list a.nav-cta { margin-top: 6px; text-align: center; justify-content: center; }
        }

        @media screen and (max-width: 520px) {
            .header-inner { padding: 0 12px; }
            .logo { font-size: 1.2rem; gap: 8px; }
            .logo-icon { width: 32px; height: 32px; font-size: 1rem; }
        }

        /* ===== Article Hero ===== */
        .article-hero {
            margin-top: var(--nav-height);
            padding: 48px 0 32px;
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border-light);
        }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-lighter);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-hero .breadcrumb a { color: var(--color-text-light); }
        .article-hero .breadcrumb a:hover { color: var(--color-accent); }
        .article-hero .breadcrumb .sep { color: var(--color-border); }
        .article-hero .breadcrumb .current { color: var(--color-primary); font-weight: 500; }

        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-primary-dark);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px 24px;
            font-size: 0.9rem;
            color: var(--color-text-light);
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i { color: var(--color-accent); font-size: 0.85rem; }
        .article-meta .badge { font-size: 0.7rem; padding: 3px 12px; }

        @media screen and (max-width: 768px) {
            .article-hero { padding: 32px 0 24px; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-meta { gap: 12px 16px; font-size: 0.8rem; }
        }
        @media screen and (max-width: 520px) {
            .article-hero h1 { font-size: 1.4rem; }
            .article-hero .breadcrumb { font-size: 0.75rem; }
            .article-meta { gap: 8px 12px; font-size: 0.75rem; }
        }

        /* ===== Article Body ===== */
        .article-body-wrap {
            padding: 48px 0 64px;
        }
        .article-main {
            flex: 1;
            min-width: 0;
        }
        .article-sidebar {
            width: 340px;
            flex-shrink: 0;
        }
        .article-layout {
            display: flex;
            gap: 48px;
            align-items: flex-start;
        }

        @media screen and (max-width: 1024px) {
            .article-layout { flex-direction: column; }
            .article-sidebar { width: 100%; }
        }

        .article-content {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 48px 48px 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .article-content .content-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--color-text);
        }
        .article-content .content-body p {
            margin-bottom: 1.4em;
        }
        .article-content .content-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-top: 2em;
            margin-bottom: 0.8em;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--color-border-light);
        }
        .article-content .content-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }
        .article-content .content-body ul, .article-content .content-body ol {
            margin-bottom: 1.4em;
            padding-left: 1.6em;
        }
        .article-content .content-body ul { list-style: disc; }
        .article-content .content-body ol { list-style: decimal; }
        .article-content .content-body li { margin-bottom: 0.4em; }
        .article-content .content-body a { color: var(--color-accent-dark); text-decoration: underline; }
        .article-content .content-body a:hover { color: var(--color-primary); }
        .article-content .content-body img { margin: 1.6em 0; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
        .article-content .content-body blockquote {
            border-left: 4px solid var(--color-accent);
            background: var(--color-bg-alt);
            padding: 16px 24px;
            margin: 1.4em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-light);
            font-style: italic;
        }
        .article-content .content-body blockquote p:last-child { margin-bottom: 0; }
        .article-content .content-body code {
            background: var(--color-bg-alt);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            font-family: 'SF Mono', 'Fira Code', monospace;
        }
        .article-content .content-body pre {
            background: var(--color-bg-dark);
            color: #e8e6e0;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.4em 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--color-border-light);
        }
        .article-tags .tag {
            display: inline-block;
            padding: 6px 16px;
            background: var(--color-bg-alt);
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--color-text-light);
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--color-accent); color: #fff; }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border-light);
        }
        .article-share span { font-size: 0.9rem; color: var(--color-text-light); font-weight: 500; }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            color: var(--color-text-light);
            font-size: 1rem;
            transition: var(--transition);
        }
        .article-share a:hover { background: var(--color-accent); color: #fff; transform: translateY(-2px); }

        @media screen and (max-width: 768px) {
            .article-content { padding: 28px 20px; }
            .article-content .content-body { font-size: 0.95rem; }
            .article-content .content-body h2 { font-size: 1.3rem; }
            .article-content .content-body h3 { font-size: 1.1rem; }
        }
        @media screen and (max-width: 520px) {
            .article-content { padding: 20px 16px; border-radius: var(--radius-md); }
            .article-content .content-body { font-size: 0.9rem; }
            .article-content .content-body h2 { font-size: 1.15rem; }
            .article-tags .tag { font-size: 0.7rem; padding: 4px 12px; }
        }

        /* ===== Sidebar ===== */
        .sidebar-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            margin-bottom: 24px;
        }
        .sidebar-card:last-child { margin-bottom: 0; }
        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i { color: var(--color-accent); }

        .sidebar-cats a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .sidebar-cats a:last-child { border-bottom: none; }
        .sidebar-cats a:hover { color: var(--color-accent); padding-left: 6px; }
        .sidebar-cats a .count {
            background: var(--color-bg-alt);
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            color: var(--color-text-lighter);
        }

        .sidebar-related a {
            display: flex;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .sidebar-related a:last-child { border-bottom: none; }
        .sidebar-related a:hover { padding-left: 6px; }
        .sidebar-related .related-img {
            width: 72px;
            height: 54px;
            border-radius: var(--radius-sm);
            background: var(--color-bg-alt);
            flex-shrink: 0;
            object-fit: cover;
        }
        .sidebar-related .related-info { flex: 1; min-width: 0; }
        .sidebar-related .related-info h4 {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar-related .related-info .date { font-size: 0.7rem; color: var(--color-text-lighter); }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
            color: #fff;
            padding: 32px 24px;
            text-align: center;
            border-radius: var(--radius-lg);
        }
        .sidebar-cta h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
        .sidebar-cta p { font-size: 0.85rem; opacity: 0.85; margin-bottom: 18px; }
        .sidebar-cta .btn-white { font-size: 0.85rem; padding: 10px 22px; }

        @media screen and (max-width: 1024px) {
            .sidebar-cats { display: flex; flex-wrap: wrap; gap: 8px; }
            .sidebar-cats a { border-bottom: none; padding: 6px 14px; background: var(--color-bg-alt); border-radius: 20px; font-size: 0.8rem; }
            .sidebar-cats a .count { display: none; }
            .sidebar-related { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
            .sidebar-related a { border-bottom: none; padding: 0; }
            .sidebar-related a:hover { padding-left: 0; }
            .sidebar-related .related-img { width: 100%; height: 80px; }
        }
        @media screen and (max-width: 520px) {
            .sidebar-card { padding: 20px 16px; }
            .sidebar-related { grid-template-columns: 1fr; }
        }

        /* ===== Related Articles ===== */
        .related-section {
            background: var(--color-bg-alt);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--color-bg-alt);
            border-radius: 0;
        }
        .related-card .card-body { padding: 20px 22px 22px; }
        .related-card .card-body h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-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 h4 a { color: inherit; }
        .related-card .card-body h4 a:hover { color: var(--color-accent); }
        .related-card .card-body p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card .card-body .meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.75rem;
            color: var(--color-text-lighter);
        }

        @media screen and (max-width: 768px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .related-card .card-img { height: 140px; }
            .related-card .card-body { padding: 16px 16px 18px; }
        }
        @media screen and (max-width: 520px) {
            .related-grid { grid-template-columns: 1fr; gap: 14px; }
            .related-card .card-img { height: 160px; }
        }

        /* ===== CTA ===== */
        .cta-section-article {
            background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
            color: #fff;
            text-align: center;
            padding: 64px 0;
        }
        .cta-section-article h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section-article p {
            font-size: 1.05rem;
            opacity: 0.85;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section-article .btn-primary { background: #fff; color: var(--color-primary); box-shadow: 0 4px 20px rgba(0,0,0,0.2); }
        .cta-section-article .btn-primary:hover { background: var(--color-bg); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.3); }

        @media screen and (max-width: 768px) {
            .cta-section-article { padding: 48px 0; }
            .cta-section-article h2 { font-size: 1.5rem; }
            .cta-section-article p { font-size: 0.95rem; }
        }
        @media screen and (max-width: 520px) {
            .cta-section-article { padding: 36px 0; }
            .cta-section-article h2 { font-size: 1.25rem; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255,255,255,0.8);
            padding: 56px 0 0;
            font-size: 0.9rem;
        }
        .site-footer .logo { color: #fff; margin-bottom: 16px; }
        .site-footer .logo .logo-icon { background: var(--color-accent); }
        .site-footer p { line-height: 1.7; max-width: 420px; }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.65);
            padding: 4px 0;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .footer-col a:hover { color: var(--color-accent); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.5);
            flex-wrap: wrap;
            gap: 8px;
        }
        @media screen and (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
            .footer-brand { grid-column: 1 / -1; }
            .site-footer p { max-width: 100%; }
        }
        @media screen and (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px 16px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .site-footer { padding: 36px 0 0; }
        }

        /* ===== Error State ===== */
        .article-error {
            text-align: center;
            padding: 80px 24px;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .article-error .error-icon {
            font-size: 4rem;
            color: var(--color-text-lighter);
            margin-bottom: 16px;
        }
        .article-error h2 { font-size: 1.6rem; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 8px; }
        .article-error p { color: var(--color-text-light); margin-bottom: 24px; }
        @media screen and (max-width: 520px) {
            .article-error { padding: 48px 16px; }
            .article-error .error-icon { font-size: 3rem; }
            .article-error h2 { font-size: 1.2rem; }
        }

        /* ===== Extra Utilities ===== */
        .mb-0 { margin-bottom: 0 !important; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .gap-8 { gap: 8px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

        .pagination {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 32px;
        }
        .pagination a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            color: var(--color-text);
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .pagination a:hover { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
        .pagination a.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

        /* Foundation overrides */
        .grid-container { max-width: var(--max-width); padding-left: 24px; padding-right: 24px; }
        @media screen and (max-width: 768px) { .grid-container { padding-left: 16px; padding-right: 16px; } }
        @media screen and (max-width: 520px) { .grid-container { padding-left: 12px; padding-right: 12px; } }

        .cell { margin-bottom: 0; }
        .grid-x { margin-left: -12px; margin-right: -12px; }
        .grid-x > .cell { padding-left: 12px; padding-right: 12px; }

        @media print {
            .site-header, .site-footer, .article-sidebar, .related-section, .cta-section-article, .nav-toggle { display: none !important; }
            .article-hero { margin-top: 0; padding-top: 0; }
            .article-content { box-shadow: none; border: none; padding: 0; }
            .article-body-wrap { padding: 20px 0; }
            body { background: #fff; }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --secondary: #e8a838;
            --secondary-light: #f0c060;
            --secondary-dark: #c88a20;
            --accent: #d4552a;
            --bg-body: #f7f5f2;
            --bg-white: #ffffff;
            --bg-light: #f0ede8;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-body: #3d3d4a;
            --text-muted: #7a7a8a;
            --text-light: #f0ede8;
            --text-white: #ffffff;
            --border-color: #e0ddd8;
            --border-light: #f0ede8;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.15);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --max-width: 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-body);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        a:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        p {
            margin-bottom: 1rem;
        }

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

        /* ===== 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);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-h);
            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: 1.45rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            font-size: 1.2rem;
            font-weight: 700;
        }
        .logo:hover {
            color: var(--primary);
            opacity: 0.9;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 40px;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-list a:hover {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.06);
        }
        .nav-list a.active {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.08);
            font-weight: 600;
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 4px;
        }
        .nav-list a.nav-cta {
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 8px 22px;
            box-shadow: 0 2px 12px rgba(232, 168, 56, 0.3);
            margin-left: 8px;
        }
        .nav-list a.nav-cta:hover {
            background: var(--secondary-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 168, 56, 0.4);
        }
        .nav-list a.nav-cta i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-list {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .nav-list a.active::after {
                display: none;
            }
            .nav-list a.active {
                background: rgba(26, 58, 92, 0.08);
                border-left: 4px solid var(--secondary);
            }
            .nav-list a.nav-cta {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
            }
        }

        /* ===== Hero ===== */
        .page-hero {
            margin-top: var(--header-h);
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            padding: 80px 0 72px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(232, 168, 56, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            color: var(--text-white);
            margin-bottom: 16px;
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .page-hero .hero-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .page-hero .hero-tags span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            color: var(--text-white);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.88rem;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .page-hero .hero-tags span i {
            color: var(--secondary);
            font-size: 0.8rem;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 60px 0 48px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero .hero-tags span {
                font-size: 0.8rem;
                padding: 4px 14px;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-light);
        }
        .section-white {
            background: var(--bg-white);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .section-title p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 580px;
            margin: 0 auto;
        }
        .section-title .title-deco {
            display: inline-block;
            width: 48px;
            height: 4px;
            background: var(--secondary);
            border-radius: 4px;
            margin-bottom: 16px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title h2 {
                font-size: 1.7rem;
            }
            .section-title p {
                font-size: 0.95rem;
            }
            .section-title {
                margin-bottom: 32px;
            }
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card-grid.col-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.col-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        @media (max-width: 1024px) {
            .card-grid.col-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .card-grid.col-2 {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .card-grid.col-4 {
                grid-template-columns: 1fr;
            }
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            padding: 28px 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .card .card-icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 14px;
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(232, 168, 56, 0.1);
            border-radius: var(--radius-sm);
        }
        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 0;
            flex: 1;
        }
        .card .card-meta {
            margin-top: 14px;
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .card .card-meta i {
            color: var(--primary-light);
        }
        .card .card-badge {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 40px;
            align-self: flex-start;
            margin-bottom: 10px;
        }

        /* ===== 图文区块 ===== */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .media-block.reverse {
            direction: rtl;
        }
        .media-block.reverse>* {
            direction: ltr;
        }
        .media-block .media-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .media-block .media-content p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.8;
        }
        .media-block .media-content ul {
            margin-top: 12px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .media-block .media-content ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-body);
        }
        .media-block .media-content ul li i {
            color: var(--secondary);
            margin-top: 4px;
            flex-shrink: 0;
        }
        .media-block .media-visual {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            min-height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--primary-light);
            border: 1px solid var(--border-color);
            overflow: hidden;
            position: relative;
        }
        .media-block .media-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-md);
        }
        .media-block .media-visual .visual-placeholder {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            color: var(--text-muted);
            font-size: 1rem;
            padding: 20px;
        }
        .media-block .media-visual .visual-placeholder i {
            font-size: 3.5rem;
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .media-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .media-block.reverse {
                direction: ltr;
            }
            .media-block .media-content h3 {
                font-size: 1.3rem;
            }
            .media-block .media-visual {
                min-height: 200px;
                order: -1;
            }
        }

        /* ===== 步骤 / 流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
        }
        .step-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .step-item .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: var(--text-white);
            border-radius: 50%;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .step-item::after {
            content: '';
            position: absolute;
            top: 38px;
            right: -18px;
            width: 24px;
            height: 2px;
            background: var(--border-color);
            display: none;
        }
        .step-item:not(:last-child)::after {
            display: block;
        }

        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-item::after {
                display: none !important;
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--secondary);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1.02rem;
            gap: 12px;
            user-select: none;
            transition: var(--transition);
        }
        .faq-item .faq-q:hover {
            background: rgba(232, 168, 56, 0.04);
        }
        .faq-item .faq-q i {
            color: var(--secondary);
            font-size: 0.9rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            padding: 0 24px 18px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.75;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }
        .faq-item .faq-a p {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 168, 56, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-block h2 {
            font-size: 2rem;
            color: var(--text-white);
            margin-bottom: 12px;
            position: relative;
        }
        .cta-block p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 520px;
            margin: 0 auto 28px;
            position: relative;
        }
        .cta-block .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
        }
        .cta-block .btn-primary {
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 14px 36px;
            border-radius: 40px;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(232, 168, 56, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-block .btn-primary:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(232, 168, 56, 0.45);
        }
        .cta-block .btn-outline {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, 0.3);
            padding: 12px 32px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-block .btn-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: rgba(232, 168, 56, 0.08);
        }

        @media (max-width: 768px) {
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }
            .cta-block p {
                font-size: 0.95rem;
            }
            .cta-block .btn-primary,
            .cta-block .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 标签 ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            cursor: default;
        }
        .tag:hover {
            border-color: var(--secondary);
            color: var(--primary);
            background: rgba(232, 168, 56, 0.04);
        }
        .tag i {
            color: var(--secondary);
            font-size: 0.75rem;
        }
        .tag.tag-active {
            background: var(--secondary);
            color: var(--primary-dark);
            border-color: var(--secondary);
            font-weight: 600;
        }

        /* ===== 统计数字 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .stat-item .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-num {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
        }
        .site-footer .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);
        }
        .site-footer .footer-brand .logo {
            color: var(--text-white);
            margin-bottom: 14px;
            font-size: 1.3rem;
        }
        .site-footer .footer-brand .logo .logo-icon {
            background: var(--secondary);
            color: var(--primary-dark);
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .site-footer .footer-col h4 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .site-footer .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }

        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            padding: 16px 0 0;
            font-size: 0.88rem;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 600;
        }

        @media (max-width: 520px) {
            .breadcrumb {
                font-size: 0.82rem;
            }
        }

        /* ===== 工具类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 12px;
        }
        .mt-2 {
            margin-top: 24px;
        }
        .mt-3 {
            margin-top: 36px;
        }
        .mb-1 {
            margin-bottom: 12px;
        }
        .mb-2 {
            margin-bottom: 24px;
        }
        .gap-1 {
            gap: 12px;
        }
        .gap-2 {
            gap: 24px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== 响应式辅助 ===== */
        @media (max-width: 640px) {
            .hide-mobile {
                display: none !important;
            }
        }
        @media (min-width: 641px) {
            .hide-desktop {
                display: none !important;
            }
        }