/* roulang page: index */
:root {
    --primary: #e8b96a;
    --primary-dark: #c99a4b;
    --primary-glow: rgba(232, 185, 106, 0.14);
    --dark: #0d1321;
    --deeper: #080d17;
    --surface: #151e30;
    --card-bg: rgba(21, 30, 48, 0.65);
    --text: #f0ede6;
    --muted: #9aa4b8;
    --dim: #6b7688;
    --border: rgba(255, 255, 255, 0.07);
    --border-glow: rgba(232, 185, 106, 0.16);
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-lg: 0 24px 70px rgba(0, 0, 0, 0.45);
    --shadow-md: 0 10px 32px rgba(0, 0, 0, 0.35);
    --shadow-primary: 0 8px 32px rgba(232, 185, 106, 0.12);
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; background: none; border: none; outline: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 90px 0; }
.section-label {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 14px; letter-spacing: 2px; font-weight: 600; color: var(--primary);
    text-transform: uppercase; margin-bottom: 14px;
}
.section-label::before { content: ""; width: 26px; height: 1px; background: var(--primary); display: block; }
.section-title { font-size: 36px; line-height: 1.25; font-weight: 700; letter-spacing: -0.5px; }
.section-sub { font-size: 16px; color: var(--muted); margin-top: 12px; max-width: 680px; }

/* ===== 顶部导航 ===== */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(13, 19, 33, 0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand-logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--text); letter-spacing: -0.3px; }
.brand-logo span { color: var(--primary); }
.brand-logo i { font-size: 20px; color: var(--primary); }
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
    padding: 8px 18px; font-size: 15px; font-weight: 500; color: var(--muted);
    border-radius: 999px; transition: var(--transition); position: relative;
}
.nav-link:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }
.nav-link.active { color: var(--primary); background: var(--primary-glow); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.search-box { display: flex; align-items: center; border: 1px solid var(--border); border-radius: 999px; background: rgba(255, 255, 255, 0.04); padding: 4px 4px 4px 18px; transition: var(--transition); }
.search-box:focus-within { border-color: var(--border-glow); box-shadow: var(--shadow-primary); }
.search-box input { width: 190px; font-size: 14px; background: transparent; }
.search-box input::placeholder { color: var(--dim); }
.search-box button { width: 38px; height: 38px; border-radius: 50%; background: var(--primary); color: var(--dark); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--transition); }
.search-box button:hover { background: var(--primary-dark); transform: scale(1.05); }
.menu-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; background: rgba(255,255,255,0.06); color: var(--text); font-size: 18px; align-items: center; justify-content: center; cursor: pointer; }

/* ===== Hero ===== */
.hero {
    position: relative; min-height: 80vh; display: flex; align-items: center;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover; background-position: center;
    isolation: isolate; overflow: hidden;
}
.hero::before {
    content: ""; position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(135deg, rgba(8, 13, 23, 0.92) 0%, rgba(8, 13, 23, 0.72) 50%, rgba(8, 13, 23, 0.35) 100%);
}
.hero::after {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 140px; z-index: -1;
    background: linear-gradient(to bottom, var(--dark), transparent);
}
.hero-content { max-width: 760px; padding: 100px 0; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px; margin-bottom: 22px;
    padding: 7px 18px; border-radius: 999px; background: var(--primary-glow);
    border: 1px solid var(--border-glow); color: var(--primary); font-size: 13px; font-weight: 600; letter-spacing: 1px;
}
.hero-badge i { font-size: 14px; }
.hero-title { font-size: 58px; line-height: 1.1; font-weight: 800; letter-spacing: -1.5px; margin-bottom: 20px; }
.hero-title em { font-style: normal; color: var(--primary); }
.hero-desc { font-size: 18px; color: var(--muted); line-height: 1.8; margin-bottom: 34px; max-width: 600px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 42px; }
.btn {
    display: inline-flex; align-items: center; gap: 10px; padding: 14px 30px;
    border-radius: 999px; font-size: 15px; font-weight: 600; cursor: pointer; transition: var(--transition);
}
.btn-primary { background: var(--primary); color: var(--dark); box-shadow: 0 6px 24px rgba(232, 185, 106, 0.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(232, 185, 106, 0.35); }
.btn-outline { border: 1px solid var(--border); color: var(--text); background: rgba(255, 255, 255, 0.04); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); background: var(--primary-glow); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 24px; }
.hero-meta-item { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
.hero-meta-item i { color: var(--primary); font-size: 18px; }

/* ===== 板块通用 ===== */
.grid-cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.grid-cards-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 48px; }
.info-card {
    background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 36px 30px; transition: var(--transition); position: relative; overflow: hidden;
}
.info-card::before {
    content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--primary), transparent);
    opacity: 0; transition: var(--transition);
}
.info-card:hover { transform: translateY(-6px); border-color: var(--border-glow); box-shadow: var(--shadow-lg); }
.info-card:hover::before { opacity: 1; }
.info-card-icon {
    width: 54px; height: 54px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
    background: var(--primary-glow); color: var(--primary); font-size: 22px; margin-bottom: 20px; border: 1px solid var(--border-glow);
}
.info-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 12px; }
.info-card p { color: var(--muted); font-size: 14px; line-height: 1.75; }

/* 分类入口 */
.category-card {
    position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 320px;
    display: flex; align-items: flex-end; isolation: isolate; transition: var(--transition); cursor: pointer; border: 1px solid var(--border);
}
.category-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform 0.5s ease; }
.category-card::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(to top, rgba(8, 13, 23, 0.93) 20%, rgba(8, 13, 23, 0.35) 80%); }
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--border-glow); }
.category-card:hover img { transform: scale(1.05); }
.category-card-body { padding: 34px; }
.category-card-body .tag { display: inline-block; padding: 4px 14px; border-radius: 999px; background: var(--primary); color: var(--dark); font-size: 12px; font-weight: 700; margin-bottom: 14px; letter-spacing: 0.5px; }
.category-card-body h3 { font-size: 24px; font-weight: 700; margin-bottom: 10px; }
.category-card-body p { color: var(--muted); font-size: 14px; margin-bottom: 16px; max-width: 300px; }
.category-card-body .link-arrow { color: var(--primary); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; }
.category-card-body .link-arrow i { transition: transform 0.3s; }
.category-card:hover .link-arrow i { transform: translateX(4px); }

/* CMS 列表 */
.cms-section { background: var(--deeper); }
.cms-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 48px; }
.cms-item {
    background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-md);
    padding: 26px; transition: var(--transition); display: flex; flex-direction: column; gap: 10px;
}
.cms-item:hover { border-color: var(--border-glow); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.cms-item-meta { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--dim); margin-bottom: 2px; }
.cms-item-cat { color: var(--primary); font-weight: 600; font-size: 12px; letter-spacing: 0.5px; padding: 3px 12px; background: var(--primary-glow); border-radius: 999px; }
.cms-item h3 { font-size: 18px; font-weight: 700; line-height: 1.5; transition: var(--transition); }
.cms-item:hover h3 { color: var(--primary); }
.cms-item p { color: var(--muted); font-size: 14px; line-height: 1.7; flex: 1; }
.cms-item .cms-item-date { font-size: 12px; color: var(--dim); display: flex; align-items: center; gap: 6px; }
.cms-empty { display: flex; align-items: center; justify-content: center; padding: 60px 20px; text-align: center; }

/* 数据面板 */
.stats-panel {
    background: linear-gradient(135deg, var(--surface), var(--deeper));
    border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 60px 50px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px;
    position: relative; overflow: hidden; margin-top: 48px;
}
.stats-panel::before {
    content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 400px; height: 1px; background: linear-gradient(90deg, transparent, var(--primary), transparent);
}
.stat-item { text-align: center; padding: 10px; }
.stat-number { font-size: 44px; font-weight: 800; color: var(--primary); line-height: 1.1; letter-spacing: -2px; }
.stat-number span { font-size: 22px; font-weight: 600; margin-left: 2px; }
.stat-label { color: var(--muted); font-size: 14px; margin-top: 8px; letter-spacing: 0.5px; }

/* 流程时间线 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 50px; }
.step-item { position: relative; padding: 28px 22px; background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-md); transition: var(--transition); }
.step-item:hover { border-color: var(--border-glow); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.step-num { font-size: 14px; font-weight: 700; color: var(--primary); letter-spacing: 1px; margin-bottom: 12px; display: inline-block; padding: 3px 12px; background: var(--primary-glow); border-radius: 999px; }
.step-item h4 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.step-item p { color: var(--muted); font-size: 13px; line-height: 1.7; }
.step-line { position: absolute; top: 40px; right: -12px; color: var(--dim); font-size: 18px; }

/* 精选专题 */
.feature-card {
    display: flex; gap: 24px; background: var(--card-bg); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 22px; transition: var(--transition); align-items: center;
}
.feature-card:hover { transform: translateY(-3px); border-color: var(--border-glow); box-shadow: var(--shadow-md); }
.feature-card img { width: 180px; height: 130px; object-fit: cover; border-radius: var(--radius-md); flex-shrink: 0; }
.feature-card-body { flex: 1; }
.feature-card-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; transition: var(--transition); }
.feature-card:hover .feature-card-body h3 { color: var(--primary); }
.feature-card-body p { color: var(--muted); font-size: 14px; line-height: 1.7; }

/* 标签 */
.tags-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.tag-chip {
    padding: 8px 20px; border-radius: 999px; font-size: 14px; font-weight: 500;
    background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border); cursor: pointer; transition: var(--transition);
}
.tag-chip:hover { background: var(--primary-glow); border-color: var(--border-glow); color: var(--primary); transform: translateY(-2px); }

/* FAQ */
.faq-list { margin-top: 50px; max-width: 820px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: 14px; background: var(--card-bg); overflow: hidden; transition: var(--transition); }
.faq-item.open { border-color: var(--border-glow); box-shadow: var(--shadow-md); }
.faq-question { padding: 20px 26px; font-size: 16px; font-weight: 600; display: flex; justify-content: space-between; align-items: center; cursor: pointer; transition: var(--transition); }
.faq-question:hover { color: var(--primary); }
.faq-question i { font-size: 16px; color: var(--muted); transition: transform 0.3s; }
.faq-item.open .faq-question i { transform: rotate(180deg); color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer p { padding: 0 26px 20px; color: var(--muted); font-size: 14px; line-height: 1.8; }

/* CTA */
.cta-section { background: linear-gradient(135deg, var(--primary-glow), transparent), var(--deeper); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cta-box {
    padding: 60px; border-radius: var(--radius-lg); text-align: center; position: relative; overflow: hidden;
    background: linear-gradient(135deg, var(--surface), rgba(21, 30, 48, 0.8));
    border: 1px solid var(--border-glow);
}
.cta-box::before { content: ""; position: absolute; top: -80px; right: -80px; width: 220px; height: 220px; border-radius: 50%; background: var(--primary-glow); filter: blur(70px); }
.cta-box h2 { font-size: 32px; font-weight: 800; margin-bottom: 14px; }
.cta-box p { color: var(--muted); font-size: 16px; margin-bottom: 30px; }

/* 页脚 */
.site-footer { background: var(--deeper); border-top: 1px solid var(--border); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; }
.footer-brand h3 { font-size: 22px; font-weight: 800; margin-bottom: 12px; }
.footer-brand h3 span { color: var(--primary); }
.footer-brand p { color: var(--muted); font-size: 14px; line-height: 1.8; }
.footer-links h4 { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 16px; letter-spacing: 0.5px; }
.footer-links a { display: block; color: var(--muted); font-size: 14px; padding: 5px 0; transition: var(--transition); }
.footer-links a:hover { color: var(--primary); padding-left: 6px; }
.footer-contact p { color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.footer-bottom { border-top: 1px solid var(--border); padding: 18px 0; text-align: center; color: var(--dim); font-size: 13px; }

/* 响应式 */
@media (max-width: 1024px) {
    .grid-cards-3 { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .stats-panel { grid-template-columns: repeat(2, 1fr); }
    .hero-title { font-size: 44px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .section-pad { padding: 60px 0; }
    .section-title { font-size: 28px; }
    .main-nav {
        position: fixed; top: 72px; left: 0; right: 0; background: var(--dark);
        flex-direction: column; padding: 20px; gap: 8px; border-bottom: 1px solid var(--border);
        display: none;
    }
    .main-nav.open { display: flex; }
    .nav-link { width: 100%; padding: 12px 18px; }
    .search-box { display: none; }
    .menu-toggle { display: flex; }
    .grid-cards-2 { grid-template-columns: 1fr; }
    .cms-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 36px; }
    .hero-desc { font-size: 16px; }
    .feature-card { flex-direction: column; }
    .feature-card img { width: 100%; height: 180px; }
    .stats-panel { padding: 30px 20px; }
    .steps { grid-template-columns: 1fr; }
    .step-line { display: none; }
}
@media (max-width: 520px) {
    .grid-cards-3 { grid-template-columns: 1fr; }
    .stats-panel { grid-template-columns: 1fr 1fr; gap: 16px; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 30px; }
    .btn { width: 100%; justify-content: center; }
    .cta-box { padding: 36px 24px; }
}

/* roulang page: category1 */
:root {
            --primary: #0e1f33;
            --primary-light: #1a3b5c;
            --accent: #c9a86a;
            --accent-dark: #b08d4a;
            --accent-light: #e5d5b5;
            --bg: #f6f4ef;
            --bg-alt: #ffffff;
            --bg-dark: #0a1624;
            --text: #1f2430;
            --text-muted: #6b7280;
            --border: #e5e0d6;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --spacing-section: 5rem;
            --spacing-section-sm: 3rem;
            --max-width: 1200px;
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.55rem;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.4;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(14, 31, 51, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(14, 31, 51, 0.35);
        }

        .btn-accent {
            background: var(--accent);
            color: #1a1a1a;
            box-shadow: 0 4px 14px rgba(201, 168, 106, 0.3);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(201, 168, 106, 0.4);
        }

        .btn-outline {
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

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

        .btn-ghost:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            background: rgba(201, 168, 106, 0.06);
        }

        .btn-sm {
            padding: 0.5rem 1.4rem;
            font-size: 0.85rem;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(201, 168, 106, 0.5);
            outline-offset: 2px;
        }

        /* ===== 标签 ===== */
        .tag {
            display: inline-block;
            padding: 0.28rem 0.9rem;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(201, 168, 106, 0.15);
            color: var(--accent-dark);
            border: 1px solid rgba(201, 168, 106, 0.35);
        }

        .tag-light {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.3);
        }

        .tag-primary {
            background: rgba(14, 31, 51, 0.1);
            color: var(--primary);
            border-color: rgba(14, 31, 51, 0.15);
        }

        .tag-sm {
            font-size: 0.7rem;
            padding: 0.18rem 0.7rem;
        }

        /* ===== 站点头部 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1.5rem;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 2rem;
        }

        .site-logo {
            font-size: 1.55rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0.1rem;
            flex-shrink: 0;
            line-height: 1;
        }

        .site-logo span {
            color: var(--accent);
            font-size: 1.8rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            flex: 1;
            justify-content: center;
        }

        .nav-link {
            padding: 0.5rem 1.1rem;
            border-radius: 40px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
        }

        .nav-link:hover {
            background: rgba(14, 31, 51, 0.06);
            color: var(--primary);
        }

        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(14, 31, 51, 0.25);
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            background: rgba(14, 31, 51, 0.06);
            cursor: pointer;
            transition: var(--transition);
        }

        .menu-toggle:hover {
            background: rgba(14, 31, 51, 0.1);
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            position: relative;
            padding: 6.5rem 0 5rem;
            background: linear-gradient(135deg, rgba(10, 18, 30, 0.92), rgba(20, 40, 62, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--bg), transparent);
            pointer-events: none;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 1.4rem;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
        }

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

        .hero-breadcrumb i {
            font-size: 0.7rem;
            opacity: 0.5;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(201, 168, 106, 0.2);
            border: 1px solid rgba(201, 168, 106, 0.5);
            color: var(--accent-light);
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 1.2rem;
        }

        .category-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.18;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .category-hero .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 570px;
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .hero-meta {
            display: flex;
            gap: 2rem;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            flex-wrap: wrap;
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .hero-meta-item i {
            color: var(--accent);
            font-size: 1.1rem;
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: var(--spacing-section) 0;
        }

        .section-alt {
            background: var(--bg-alt);
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-tag {
            display: inline-block;
            padding: 0.3rem 1.2rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(201, 168, 106, 0.12);
            border: 1px solid rgba(201, 168, 106, 0.25);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.25;
            margin-bottom: 0.8rem;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.02rem;
        }

        /* ===== 概览卡片 ===== */
        .overview-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .overview-card {
            background: var(--bg-alt);
            border-radius: var(--radius);
            padding: 2.5rem 2rem;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .overview-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), transparent);
            opacity: 0.5;
            transition: var(--transition);
        }

        .overview-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .overview-card:hover::before {
            opacity: 1;
        }

        .overview-card .icon-wrap {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-dark);
            background: rgba(201, 168, 106, 0.15);
            margin-bottom: 1.4rem;
        }

        .overview-card h3 {
            font-size: 1.12rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            color: var(--primary);
        }

        .overview-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ===== 趋势卡片 ===== */
        .trend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }

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

        .trend-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .trend-card .card-image {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

        .trend-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .trend-card:hover .card-image img {
            transform: scale(1.06);
        }

        .trend-card .card-image .tag {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: rgba(14, 31, 51, 0.75);
            backdrop-filter: blur(6px);
            color: #fff;
            border-color: transparent;
            font-size: 0.75rem;
        }

        .trend-card .card-body {
            padding: 1.8rem 1.6rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .trend-card .card-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 0.6rem;
            transition: var(--transition);
        }

        .trend-card .card-title:hover {
            color: var(--accent-dark);
        }

        .trend-card .card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 1.2rem;
            flex: 1;
        }

        .trend-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 1rem;
            border-top: 1px solid var(--border);
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .trend-card .card-meta i {
            margin-right: 0.3rem;
            font-size: 0.85rem;
        }

        .trend-card .card-meta .read-link {
            color: var(--accent-dark);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .trend-card .card-meta .read-link:hover {
            gap: 0.6rem;
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            padding: 4.5rem 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.05);
        }

        .stats-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 10%;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.04);
        }

        .stats-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .stats-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }

        .stats-header p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            position: relative;
            z-index: 1;
        }

        .stat-item {
            text-align: center;
            padding: 2rem 1.5rem;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 0.5rem;
            display: block;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
        }

        /* ===== 热点主题 ===== */
        .hot-topics-section {
            background: var(--bg);
        }

        .hot-topics-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: start;
        }

        .hot-topics-list {
            counter-reset: topic-counter;
        }

        .topic-item {
            display: flex;
            align-items: flex-start;
            gap: 1.2rem;
            padding: 1.3rem 1rem;
            border-radius: 14px;
            transition: var(--transition);
            counter-increment: topic-counter;
            background: transparent;
            margin-bottom: 0.5rem;
        }

        .topic-item:hover {
            background: var(--bg-alt);
            box-shadow: var(--shadow-sm);
            padding-left: 1.3rem;
        }

        .topic-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 1.5px var(--accent);
            width: 48px;
            text-align: center;
            flex-shrink: 0;
            line-height: 1.2;
        }

        .topic-content h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 0.3rem;
        }

        .topic-content p {
            font-size: 0.86rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .hot-topics-side {
            position: sticky;
            top: 100px;
        }

        .hot-topics-side .side-card {
            background: var(--bg-alt);
            border-radius: var(--radius);
            padding: 2.2rem;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .hot-topics-side h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1.4rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .hot-topics-side h3 i {
            color: var(--accent);
        }

        .side-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
        }

        .side-stat {
            display: flex;
            justify-content: space-between;
            padding: 0.7rem 0;
            border-bottom: 1px dashed var(--border);
            font-size: 0.85rem;
        }

        .side-stat:last-child {
            border-bottom: none;
        }

        .side-stat .label {
            color: var(--text-muted);
        }

        .side-stat .value {
            font-weight: 700;
            color: var(--primary);
        }

        /* ===== 深度分析 ===== */
        .analysis-section {
            background: var(--bg-alt);
        }

        .analysis-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .analysis-card {
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            border: none;
        }

        .analysis-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .analysis-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .analysis-card::after {
            content: '';
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(to top, rgba(8, 12, 20, 0.92) 0%, rgba(8, 12, 20, 0.4) 55%, transparent 100%);
        }

        .analysis-card .analysis-body {
            position: relative;
            z-index: 2;
            padding: 2.2rem;
            color: #fff;
        }

        .analysis-card .analysis-body .tag {
            margin-bottom: 0.8rem;
        }

        .analysis-card .analysis-body h3 {
            font-size: 1.35rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 0.8rem;
        }

        .analysis-card .analysis-body p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .analysis-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--accent);
            font-size: 0.9rem;
            font-weight: 600;
        }

        .analysis-link:hover {
            gap: 0.8rem;
            color: var(--accent-light);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-alt);
            border-radius: 14px;
            border: 1px solid var(--border);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(201, 168, 106, 0.4);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            padding: 1.4rem 1.6rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--bg-alt);
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--accent-dark);
        }

        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(201, 168, 106, 0.12);
            color: var(--accent-dark);
            font-size: 0.85rem;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--accent);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-answer p {
            padding: 0 1.6rem 1.4rem;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            border-top: 1px dashed var(--border);
            margin-top: 0.5rem;
            padding-top: 1rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 4.5rem 0;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(14, 31, 51, 0.95), rgba(26, 59, 92, 0.9)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: #fff;
        }

        .cta-inner {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .cta-inner p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0c1826;
            color: rgba(255, 255, 255, 0.7);
            padding: 4rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 3rem;
            padding-bottom: 3rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .footer-brand h3 span {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }

        .footer-links h4,
        .footer-contact h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1.2rem;
        }

        .footer-links a {
            display: block;
            padding: 0.35rem 0;
            font-size: 0.89rem;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 0.4rem;
        }

        .footer-contact p {
            font-size: 0.89rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.3rem 0;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-contact p i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            padding: 1.5rem 0;
            text-align: center;
            font-size: 0.83rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media screen and (max-width: 1024px) {
            .trend-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .overview-cards {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .hot-topics-layout {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }

            .hot-topics-side {
                position: static;
            }

            .analysis-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --spacing-section: 3.5rem;
            }

            .header-inner {
                height: 62px;
                padding: 0 1.25rem;
            }

            .main-nav {
                position: fixed;
                top: 62px;
                left: 0;
                right: 0;
                background: var(--bg-alt);
                flex-direction: column;
                align-items: stretch;
                padding: 0.8rem 1.25rem 1.2rem;
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
                border-bottom: 1px solid var(--border);
                transform: translateY(-150%);
                transition: transform 0.35s ease;
                z-index: 999;
                gap: 0.2rem;
            }

            .main-nav.open {
                transform: translateY(0);
            }

            .nav-link {
                padding: 0.75rem 1.2rem;
                border-radius: 10px;
                font-size: 0.95rem;
            }

            .nav-link.active {
                background: var(--primary);
            }

            .menu-toggle {
                display: flex;
            }

            .category-hero {
                padding: 4.5rem 0 3.5rem;
            }

            .category-hero h1 {
                font-size: 2.2rem;
            }

            .overview-cards {
                grid-template-columns: 1fr;
            }

            .trend-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }

            .stat-number {
                font-size: 2rem;
            }

            .section-header h2 {
                font-size: 1.7rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding: 0 1.1rem;
            }

            .category-hero h1 {
                font-size: 1.8rem;
            }

            .hero-actions {
                flex-direction: column;
                gap: 0.8rem;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .cta-actions {
                flex-direction: column;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .analysis-card .analysis-body {
                padding: 1.5rem;
            }

            .analysis-card .analysis-body h3 {
                font-size: 1.1rem;
            }

            .topic-item {
                padding: 1rem 0.5rem;
            }

            .topic-number {
                font-size: 1.3rem;
                width: 36px;
            }
        }

        @media screen and (max-width: 360px) {
            .site-logo {
                font-size: 1.2rem;
            }

            .site-logo span {
                font-size: 1.4rem;
            }
        }

/* roulang page: article */
:root {
    --primary: #0b1f31;
    --primary-dark: #071522;
    --accent: #c9a15a;
    --accent-light: #dbb978;
    --bg: #f6f3ee;
    --bg-deep: #0e2235;
    --text: #1d2d3d;
    --text-weak: #68788a;
    --border: #e0d9cf;
    --radius: 14px;
    --radius-lg: 22px;
    --shadow-sm: 0 2px 12px rgba(11,31,49,.06);
    --shadow-md: 0 10px 36px rgba(11,31,49,.10);
    --shadow-lg: 0 24px 64px rgba(11,31,49,.18);
    --max-w: 1200px;
    --space: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color .2s ease, opacity .2s ease, transform .25s ease;
}

a:hover {
    color: var(--accent);
}

button {
    cursor: pointer;
    font-family: inherit;
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 14px rgba(11,31,49,.06);
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    padding-bottom: 14px;
    flex-wrap: wrap;
    gap: 12px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-logo {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -1px;
    line-height: 1.2;
}

.brand-logo span {
    color: var(--accent);
}

.brand-tag {
    font-size: 13px;
    color: var(--text-weak);
    border-left: 2px solid var(--accent);
    padding-left: 12px;
    line-height: 1.4;
    letter-spacing: 1px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-search {
    display: flex;
    align-items: center;
    background: #f0ece6;
    border-radius: 30px;
    padding: 4px 6px 4px 16px;
    border: 1px solid var(--border);
    transition: border-color .2s, box-shadow .2s;
}

.header-search:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(201,161,90,.18);
}

.header-search input {
    border: none;
    outline: none;
    background: transparent;
    width: 180px;
    font-size: 14px;
    color: var(--text);
}

.header-search input::placeholder {
    color: #a29a8e;
}

.header-search button {
    background: var(--accent);
    border: none;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .2s, transform .2s;
}

.header-search button:hover {
    background: var(--primary);
    transform: scale(1.05);
}

.header-nav-wrap {
    background: var(--primary);
    border-top: 1px solid rgba(255,255,255,.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 50px;
    position: relative;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,.85);
    border-radius: 8px;
    transition: all .25s;
    position: relative;
    white-space: nowrap;
    line-height: 1.4;
}

.nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,.08);
}

.nav-link.active {
    color: #fff;
    background: rgba(255,255,255,.12);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 4px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid rgba(255,255,255,.25);
    color: #fff;
    border-radius: 8px;
    width: 42px;
    height: 36px;
    font-size: 16px;
    align-items: center;
    justify-content: center;
    transition: background .2s;
}

.nav-toggle:hover {
    background: rgba(255,255,255,.1);
}

.article-hero {
    background: linear-gradient(135deg, var(--bg-deep) 0%, #132b3f 55%, #0b1f31 100%);
    color: #fff;
    padding: 64px 0 48px;
    position: relative;
    overflow: hidden;
}

.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    opacity: .14;
}

.article-hero .container {
    position: relative;
    z-index: 2;
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,.6);
    margin-bottom: 24px;
}

.breadcrumb a {
    color: rgba(255,255,255,.8);
    transition: color .2s;
}

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

.breadcrumb i {
    font-size: 11px;
    color: rgba(255,255,255,.35);
}

.article-title {
    font-size: 40px;
    line-height: 1.3;
    font-weight: 800;
    margin: 0 0 20px;
    letter-spacing: 1px;
    max-width: 880px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 14px;
    color: rgba(255,255,255,.8);
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.08);
    padding: 6px 16px;
    border-radius: 24px;
    backdrop-filter: blur(4px);
}

.meta-item i {
    color: var(--accent);
}

.article-main-wrap {
    padding: 60px 0 80px;
}

.article-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 48px;
    align-items: start;
}

.article-body {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 48px;
    border: 1px solid var(--border);
    min-height: 300px;
}

.article-cover {
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.article-cover img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
}

.article-content {
    font-size: 17px;
    line-height: 2;
    color: #2a3b4c;
    word-wrap: break-word;
}

.article-content p {
    margin-bottom: 1.6em;
}

.article-content h2,
.article-content h3,
.article-content h4 {
    font-weight: 700;
    margin: 1.8em 0 .8em;
    line-height: 1.4;
}

.article-content h2 {
    font-size: 24px;
    border-left: 4px solid var(--accent);
    padding-left: 14px;
}

.article-content h3 {
    font-size: 20px;
}

.article-content h4 {
    font-size: 17px;
}

.article-content img {
    border-radius: 10px;
    margin: 24px 0;
}

.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: #faf7f2;
    padding: 18px 24px;
    margin: 24px 0;
    border-radius: 0 10px 10px 0;
    color: #556575;
    font-style: italic;
}

.article-content ul,
.article-content ol {
    margin: 0 0 1.6em 1.2em;
    padding: 0;
}

.article-content li {
    margin-bottom: .6em;
}

.article-content a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}

.article-content table th,
.article-content table td {
    border: 1px solid var(--border);
    padding: 12px 16px;
    text-align: left;
}

.article-content table th {
    background: #faf7f2;
    font-weight: 600;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 34px;
    padding-top: 26px;
    border-top: 1px solid var(--border);
}

.article-tag {
    background: #f0ece6;
    color: var(--text);
    font-size: 13px;
    padding: 6px 16px;
    border-radius: 24px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all .2s;
}

.article-tag:hover {
    background: var(--primary);
    color: #fff;
}

.not-found {
    text-align: center;
    padding: 80px 20px;
}

.not-found i {
    font-size: 56px;
    color: var(--accent);
    margin-bottom: 18px;
}

.not-found h2 {
    font-size: 28px;
    margin: 0 0 10px;
}

.not-found p {
    color: var(--text-weak);
    margin-bottom: 26px;
}

.cta-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 14px 38px;
    border-radius: 40px;
    font-size: 16px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all .25s;
    box-shadow: 0 4px 16px rgba(201,161,90,.35);
}

.cta-btn:hover {
    background: #fff;
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,.15);
}

.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 130px;
}

.sidebar-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    padding: 26px;
}

.sidebar-card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent);
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-card-title i {
    color: var(--accent);
}

.info-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.info-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
}

.info-list li:last-child {
    border-bottom: none;
}

.info-list li span {
    color: var(--text-weak);
}

.info-list li strong {
    color: var(--text);
    font-weight: 600;
}

.sidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-list li {
    padding: 12px 0;
    border-bottom: 1px dashed var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-list li:last-child {
    border-bottom: none;
}

.sidebar-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
}

.sidebar-list a {
    font-size: 15px;
    color: var(--text);
    line-height: 1.5;
    flex: 1;
    min-width: 0;
    display: block;
}

.sidebar-list a:hover {
    color: var(--accent);
}

.sidebar-list time {
    font-size: 12px;
    color: var(--text-weak);
    white-space: nowrap;
}

.sidebar-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--accent);
    margin-top: 12px;
    font-weight: 600;
    transition: gap .2s;
}

.sidebar-more:hover {
    gap: 10px;
    color: var(--primary);
}

.related-section {
    background: var(--bg-deep);
    padding: 70px 0;
    position: relative;
    overflow: hidden;
}

.related-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    opacity: .08;
}

.related-section .container {
    position: relative;
    z-index: 2;
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 36px;
    gap: 20px;
    flex-wrap: wrap;
}

.section-head h2 {
    color: #fff;
    font-size: 30px;
    margin: 0;
    font-weight: 700;
}

.section-head h2 span {
    color: var(--accent);
}

.section-head p {
    color: rgba(255,255,255,.55);
    margin: 6px 0 0;
    font-size: 15px;
}

.section-head-line {
    width: 60px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
    margin-top: 10px;
}

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

.related-card {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius);
    padding: 26px;
    transition: all .3s;
    display: block;
    backdrop-filter: blur(4px);
    height: 100%;
}

.related-card:hover {
    background: rgba(255,255,255,.1);
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 16px 40px rgba(0,0,0,.25);
}

.related-tag {
    font-size: 12px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.related-card h4 {
    color: #fff;
    font-size: 16px;
    line-height: 1.55;
    margin: 12px 0 8px;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-card p {
    color: rgba(255,255,255,.55);
    font-size: 13px;
    line-height: 1.65;
    margin: 0 0 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-card time {
    color: rgba(255,255,255,.4);
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.cta-section {
    padding: 70px 0;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary), #1a3850);
    border-radius: var(--radius-lg);
    padding: 64px 48px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.cta-box::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    opacity: .12;
}

.cta-box .container,
.cta-box h2,
.cta-box p,
.cta-box a {
    position: relative;
    z-index: 2;
}

.cta-box h2 {
    font-size: 32px;
    margin-bottom: 14px;
    font-weight: 800;
}

.cta-box h2 span {
    color: var(--accent);
}

.cta-box p {
    color: rgba(255,255,255,.7);
    max-width: 620px;
    margin: 0 auto 32px;
    font-size: 16px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.cta-btn-light {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,.45);
    padding: 12px 32px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all .25s;
}

.cta-btn-light:hover {
    border-color: #fff;
    background: rgba(255,255,255,.1);
    color: #fff;
}

.site-footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,.75);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-brand h3 {
    font-size: 24px;
    color: #fff;
    margin-bottom: 12px;
    font-weight: 800;
}

.footer-brand h3 span {
    color: var(--accent);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,.55);
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 16px;
    font-weight: 600;
}

.footer-links a {
    display: block;
    padding: 6px 0;
    color: rgba(255,255,255,.6);
    font-size: 14px;
    transition: color .2s, padding-left .2s;
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-contact p {
    font-size: 14px;
    margin: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,.6);
}

.footer-contact i {
    color: var(--accent);
    width: 18px;
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 22px 0;
    font-size: 13px;
    color: rgba(255,255,255,.4);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

@media (max-width: 1024px) {
    :root {
        --space: 60px;
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .article-grid {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: stretch;
    }

    .sidebar-card {
        flex: 1;
        min-width: calc(50% - 12px);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-actions {
        width: 100%;
    }

    .header-search {
        flex: 1;
    }

    .header-search input {
        width: auto;
        flex: 1;
    }

    .brand-tag {
        display: none;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .main-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary);
        padding: 10px;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid rgba(255,255,255,.08);
        z-index: 101;
    }

    .main-nav.open {
        display: flex;
    }

    .nav-link {
        width: 100%;
        padding: 14px 20px;
        border-radius: 8px;
    }

    .article-title {
        font-size: 28px;
    }

    .article-hero {
        padding: 44px 0 36px;
    }

    .article-main-wrap {
        padding: 40px 0 60px;
    }

    .article-body {
        padding: 32px 22px;
    }

    .article-content {
        font-size: 16px;
    }

    .cta-box {
        padding: 44px 24px;
        border-radius: 16px;
    }

    .cta-box h2 {
        font-size: 26px;
    }

    .section-head h2 {
        font-size: 26px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

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

    .sidebar-card {
        min-width: 100%;
    }

    .article-meta {
        gap: 8px;
    }

    .meta-item {
        font-size: 12px;
        padding: 5px 12px;
    }

    .breadcrumb {
        font-size: 12px;
    }

    .article-title {
        font-size: 24px;
        letter-spacing: .5px;
    }

    .article-body {
        padding: 24px 18px;
    }

    .article-content h2 {
        font-size: 20px;
    }

    .article-content h3 {
        font-size: 18px;
    }

    .cta-buttons .cta-btn,
    .cta-buttons .cta-btn-light {
        width: 100%;
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* roulang page: category2 */
/* ============================================
           设计变量
        ============================================ */
        :root {
            --primary: #123b66;
            --primary-light: #1b5a9e;
            --primary-dark: #0b2a4a;
            --accent: #e8a33d;
            --accent-light: #f0bd6a;
            --accent-dark: #ce8628;
            --bg-light: #f5f7fa;
            --bg-white: #ffffff;
            --bg-dark: #0d1b2a;
            --bg-dark-2: #132a3f;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --text-light: #f8fafc;
            --text-faint: rgba(255,255,255,0.72);
            --border: #e2e8f0;
            --border-dark: rgba(255,255,255,0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(18, 59, 102, 0.06);
            --shadow-md: 0 6px 24px rgba(18, 59, 102, 0.10);
            --shadow-lg: 0 16px 48px rgba(18, 59, 102, 0.14);
            --shadow-accent: 0 8px 28px rgba(232, 163, 61, 0.28);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 32px;
            --space-lg: 56px;
            --space-xl: 88px;
            --header-h: 68px;
            --radius-pill: 999px;
        }

        /* ============================================
           Reset / Base
        ============================================ */
        *, *::before, *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-white);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background-color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }
        a:hover {
            color: var(--primary-light);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul, ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 .4em;
            line-height: 1.3;
            font-weight: 700;
            color: inherit;
        }
        p {
            margin: 0 0 1em;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 880px;
        }
        .section {
            padding: var(--space-xl) 0;
        }
        .section-alt {
            background: var(--bg-light);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto var(--space-lg);
        }
        .section-head .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .section-head h2 {
            font-size: clamp(28px, 4vw, 38px);
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
        }
        .section-dark .section-head h2 {
            color: var(--text-light);
        }
        .section-dark .section-head p {
            color: var(--text-faint);
        }

        /* ============================================
           按钮
        ============================================ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: all .3s ease;
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #1a1a1a;
            box-shadow: var(--shadow-accent);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            color: #1a1a1a;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(232, 163, 61, 0.38);
        }
        .btn-outline-light {
            border-color: rgba(255,255,255,0.6);
            color: var(--text-light);
            background: transparent;
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-primary {
            border-color: var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 15px 38px;
            font-size: 16px;
        }
        .btn:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        /* ============================================
           标签 / 徽章
        ============================================ */
        .badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            line-height: 1.4;
            background: rgba(232, 163, 61, 0.12);
            color: var(--accent-dark);
            border: 1px solid rgba(232, 163, 61, 0.3);
        }
        .badge-dark {
            background: rgba(255,255,255,0.14);
            color: #fff;
            border-color: rgba(255,255,255,0.22);
        }
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 600;
            background: var(--bg-light);
            color: var(--text-muted);
            border: 1px solid var(--border);
            transition: all .25s ease;
        }
        .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ============================================
           Header / 导航
        ============================================ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 20px rgba(18, 59, 102, 0.05);
        }
        .header-top {
            height: var(--header-h);
        }
        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 100%;
        }
        .brand-logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 2px;
            flex-shrink: 0;
        }
        .brand-logo span {
            color: var(--primary);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 900;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .main-nav .nav-link {
            display: inline-block;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-pill);
            position: relative;
            transition: all .3s ease;
        }
        .main-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(18, 59, 102, 0.06);
        }
        .main-nav .nav-link.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(18, 59, 102, 0.24);
        }
        .header-tools {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .search-toggle,
        .menu-toggle {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 16px;
            background: var(--bg-light);
            border: 1px solid var(--border);
            transition: all .3s ease;
        }
        .search-toggle:hover,
        .menu-toggle:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .menu-toggle {
            display: none;
        }
        .search-bar {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            box-shadow: 0 8px 24px rgba(0,0,0,0.04);
        }
        .search-bar.open {
            display: block;
        }
        .search-form {
            display: flex;
            gap: 12px;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 12px 20px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border);
            font-size: 15px;
            background: var(--bg-light);
            transition: border-color .3s, box-shadow .3s;
        }
        .search-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 59, 102, 0.1);
            background: #fff;
        }
        .search-form button {
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: background .3s;
        }
        .search-form button:hover {
            background: var(--primary-light);
        }

        /* 移动端下拉导航 */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 12px 32px rgba(0,0,0,0.08);
            padding: 16px 24px 24px;
            z-index: 999;
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav .nav-link {
            display: block;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .mobile-nav .nav-link:hover {
            background: var(--bg-light);
        }
        .mobile-nav .nav-link.active {
            background: var(--primary);
            color: #fff;
        }

        /* ============================================
           页面 Hero（分类页横幅）
        ============================================ */
        .page-hero {
            position: relative;
            padding: calc(var(--header-h) + 80px) 0 80px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(13,27,42,0.92) 0%, rgba(13,27,42,0.72) 50%, rgba(18,59,102,0.55) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumbs {
            font-size: 14px;
            color: var(--text-faint);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .breadcrumbs a {
            color: var(--accent-light);
        }
        .breadcrumbs a:hover {
            color: var(--accent);
        }
        .breadcrumbs span {
            opacity: 0.5;
        }
        .page-hero h1 {
            font-size: clamp(34px, 6vw, 56px);
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: 1px;
            line-height: 1.15;
        }
        .page-hero h1 span {
            color: var(--accent);
        }
        .page-hero .hero-desc {
            font-size: clamp(16px, 2vw, 19px);
            color: var(--text-faint);
            max-width: 640px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ============================================
           数据统计块
        ============================================ */
        .stats-section {
            padding: var(--space-lg) 0;
            background: var(--bg-white);
            margin-top: -40px;
            position: relative;
            z-index: 3;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: transform .3s, box-shadow .3s;
        }
        .stat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .stat-card .stat-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 14px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(18,59,102,0.08), rgba(232,163,61,0.12));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
        }
        .stat-card .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-card .stat-num small {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-dark);
        }
        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ============================================
           服务分类卡片
        ============================================ */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .service-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all .35s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(18, 59, 102, 0.2);
        }
        .service-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .service-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .service-card:hover .card-img img {
            transform: scale(1.06);
        }
        .service-card .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13,27,42,0.35), transparent 60%);
        }
        .service-card .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .service-card .card-body h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .service-card .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 18px;
            line-height: 1.7;
        }
        .service-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            margin-top: auto;
        }
        .service-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .3s;
        }
        .service-card .card-link:hover {
            gap: 10px;
            color: var(--accent-dark);
        }
        .service-card .card-tag {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ============================================
           流程时间线
        ============================================ */
        .process-section {
            background: var(--bg-dark);
            color: var(--text-light);
            position: relative;
            overflow: hidden;
        }
        .process-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232,163,61,0.12), transparent 70%);
            pointer-events: none;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }
        .process-step {
            text-align: center;
            position: relative;
            padding: 32px 18px;
            background: rgba(255,255,255,0.05);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(6px);
            transition: transform .3s, background .3s;
        }
        .process-step:hover {
            transform: translateY(-6px);
            background: rgba(255,255,255,0.09);
        }
        .process-step .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #1a1a1a;
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 6px 20px rgba(232,163,61,0.35);
        }
        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-faint);
            margin: 0;
            line-height: 1.6;
        }

        /* ============================================
           内容 / 资讯卡片列表
        ============================================ */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .article-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all .35s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .article-card .article-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .article-card .article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .article-card:hover .article-img img {
            transform: scale(1.05);
        }
        .article-card .article-img .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(255,255,255,0.92);
            color: var(--primary);
            border: none;
            box-shadow: var(--shadow-sm);
        }
        .article-card .article-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .article-card .article-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .article-card .article-meta i {
            margin-right: 4px;
            color: var(--accent-dark);
        }
        .article-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .article-card h3 a {
            color: var(--text-main);
        }
        .article-card h3 a:hover {
            color: var(--primary);
        }
        .article-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        /* ============================================
           资源工具区
        ============================================ */
        .tools-section {
            background: var(--bg-light);
        }
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .tool-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all .3s ease;
            cursor: pointer;
        }
        .tool-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .tool-item .tool-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 14px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            box-shadow: 0 8px 20px rgba(18,59,102,0.25);
        }
        .tool-item h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .tool-item span {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ============================================
           FAQ 手风琴
        ============================================ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .3s, border-color .3s;
        }
        .faq-item:hover {
            border-color: rgba(18,59,102,0.25);
            box-shadow: var(--shadow-sm);
        }
        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            transition: all .3s;
        }
        .faq-item.active .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin: 0 24px 0;
            padding-left: 0;
            padding-right: 0;
        }

        /* ============================================
           CTA 区块
        ============================================ */
        .cta-section {
            position: relative;
            padding: var(--space-xl) 0;
            background-size: cover;
            background-position: center;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11,42,74,0.94), rgba(18,59,102,0.85));
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 17px;
            color: var(--text-faint);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ============================================
           Footer
        ============================================ */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-faint);
            padding: 64px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand h3 {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand h3 span {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-faint);
        }
        .footer-links h4,
        .footer-contact h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-links a {
            display: block;
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-faint);
            transition: color .3s, padding-left .3s;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        .footer-contact p {
            font-size: 14px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-contact i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.5);
        }
        .footer-bottom p {
            margin: 0;
        }

        /* ============================================
           Foundation 覆盖
        ============================================ */
        .button {
            margin: 0;
        }
        .grid-container {
            max-width: 1200px;
        }
        .accordion-title {
            font-size: 16px;
        }

        /* ============================================
           响应式断点
        ============================================ */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid,
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .section {
                padding: var(--space-lg) 0;
            }
            .main-nav {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-card .stat-num {
                font-size: 28px;
            }
            .service-grid,
            .article-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-hero {
                padding: calc(var(--header-h) + 56px) 0 56px;
            }
            .page-hero h1 {
                font-size: 34px;
            }
            .hero-meta {
                flex-direction: column;
                align-items: flex-start;
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 20px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-card .stat-icon {
                width: 40px;
                height: 40px;
                font-size: 18px;
            }
            .stat-card .stat-num {
                font-size: 24px;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero .hero-desc {
                font-size: 15px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-bottom {
                font-size: 12px;
            }
        }