/* roulang page: index */
:root {
    --primary: #2F4A43;
    --primary-light: #3A5A52;
    --primary-dark: #1B2D28;
    --ink: #161A19;
    --gold: #C7A46B;
    --gold-dark: #B8934E;
    --gold-light: #DFC08A;
    --paper: #F6F5F1;
    --paper-deep: #F7F5F0;
    --text-main: #1F2420;
    --text-weak: #5B625B;
    --text-light: #8B8F82;
    --line: #ECE8DC;
    --line-dark: #E2DED3;
    --white: #FFFFFF;
    --radius: 8px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(22,26,25,0.04);
    --shadow-hover: 0 12px 30px rgba(22,26,25,0.10);
    --shadow-deep: 0 12px 30px rgba(22,26,25,0.16);
    --ease: 0.25s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
    background: var(--paper);
    color: var(--text-main);
    line-height: 1.8;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--ease); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.serif-title { font-family: 'Noto Serif SC', 'Songti SC', serif; }
h1, h2, h3 { font-family: 'Noto Serif SC', 'Songti SC', serif; line-height: 1.35; }
.h1-display { font-size: 46px; font-weight: 800; line-height: 1.25; letter-spacing: -0.01em; }
.h2-title { font-size: 30px; font-weight: 700; line-height: 1.35; }
.h3-title { font-size: 19px; font-weight: 600; line-height: 1.5; }
.body-text { font-size: 15px; line-height: 1.8; }
.caption-text { font-size: 12px; font-weight: 500; line-height: 1.6; }
.weak-text { color: var(--text-weak); }
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 28px; border-radius: var(--radius);
    font-size: 15px; font-weight: 600; line-height: 1.5;
    transition: all var(--ease); border: 1px solid transparent; white-space: nowrap;
}
.btn-gold { background: var(--gold); color: var(--ink); }
.btn-gold:hover { background: var(--gold-dark); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-gold:active { transform: translateY(0); background: var(--gold-dark); }
.btn-gold:focus { outline: 2px solid var(--gold-light); outline-offset: 2px; }
.btn-outline { background: transparent; border: 1px solid rgba(199,164,107,0.65); color: var(--gold-light); }
.btn-outline:hover { border-color: var(--gold); background: rgba(199,164,107,0.1); transform: translateY(-2px); }
.btn-outline:active { transform: translateY(0); }
.btn-outline:focus { outline: 2px solid var(--gold); outline-offset: 2px; }
.btn-outline-dark { background: transparent; border: 1px solid var(--line-dark); color: var(--text-main); }
.btn-outline-dark:hover { border-color: var(--gold); color: var(--gold-dark); transform: translateY(-2px); }
.btn-outline-dark:focus { outline: 2px solid var(--gold); outline-offset: 2px; }
.text-link { color: var(--gold-dark); font-weight: 600; transition: color var(--ease); }
.text-link:hover { color: var(--gold); }
.section { padding: 96px 0; }
.section-dark { background: var(--ink); color: var(--white); }
.section-paper { background: var(--paper-deep); }
.section-head { text-align: left; max-width: 720px; }
.section-desc { margin-top: 16px; font-size: 15px; color: var(--text-weak); line-height: 1.8; }
.section-line { width: 24px; height: 2px; background: var(--gold); }

/* 顶部信息条 */
.topbar {
    height: 36px; background: var(--paper); border-bottom: 1px solid var(--line);
    font-size: 13px; color: var(--text-weak);
}
.topbar a { color: var(--text-weak); font-weight: 500; }
.topbar a:hover { color: var(--gold-dark); }

/* 主导航 */
.main-nav {
    height: 72px; background: var(--primary); position: sticky; top: 0; z-index: 50;
    transition: all var(--ease);
}
.main-nav.scrolled { height: 60px; box-shadow: 0 4px 16px rgba(0,0,0,0.12); }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark { display: flex; align-items: center; justify-content: center; }
.logo-text { font-family: 'Noto Serif SC', serif; font-size: 22px; font-weight: 800; color: var(--white); letter-spacing: 0.02em; }
.main-nav.scrolled .logo-text { font-size: 20px; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-link {
    color: rgba(255,255,255,0.85); font-weight: 500; font-size: 15px;
    padding: 6px 2px; position: relative; transition: color var(--ease);
}
.nav-link::after {
    content: ''; position: absolute; left: 0; bottom: -4px;
    width: 0%; height: 2px; background: var(--gold); transition: width var(--ease);
}
.nav-link:hover { color: var(--gold-light); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--gold-light); }
.nav-link:focus { outline: 2px solid var(--gold); outline-offset: 4px; }
.nav-cta .btn { padding: 10px 24px; font-size: 14px; }

/* 移动端菜单 */
.menu-toggle {
    width: 42px; height: 42px; border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    color: var(--white); font-size: 24px; transition: background var(--ease);
}
.menu-toggle:hover { background: rgba(255,255,255,0.1); }
.mobile-menu {
    position: fixed; inset: 0; z-index: 100; background: var(--primary);
    display: flex; flex-direction: column; padding: 24px;
    transform: translateX(100%); transition: transform 0.3s ease;
    visibility: hidden;
}
.mobile-menu.open { transform: translateX(0); visibility: visible; }
.mobile-menu-header { display: flex; justify-content: space-between; align-items: center; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,0.15); }
.mobile-menu-header .logo-text { font-size: 22px; }
.menu-close { font-size: 28px; color: var(--white); width: 40px; height: 40px; border-radius: 8px; }
.menu-close:hover { background: rgba(255,255,255,0.1); }
.mobile-menu-links { flex: 1; display: flex; flex-direction: column; gap: 4px; padding-top: 32px; }
.mobile-menu-links a {
    font-size: 20px; color: rgba(255,255,255,0.85); padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08); font-weight: 500;
}
.mobile-menu-links a:hover, .mobile-menu-links a.active { color: var(--gold-light); }
.mobile-menu-footer { padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.15); }
.mobile-menu-footer .domain { font-size: 13px; color: rgba(255,255,255,0.5); margin-bottom: 16px; }

/* Hero */
.hero { position: relative; min-height: 640px; display: flex; align-items: center; overflow: hidden; background: var(--primary); }
.hero-bg {
    position: absolute; inset: 0; z-index: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover; background-position: center;
}
.hero-overlay {
    position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(135deg, rgba(47,74,67,0.86) 0%, rgba(22,26,25,0.96) 100%);
}
.hero-content { position: relative; z-index: 2; width: 100%; text-align: center; }
.hero-badge {
    display: inline-block; padding: 6px 18px; border-radius: 100px;
    border: 1px solid var(--gold); color: var(--gold-light);
    font-size: 12px; font-weight: 500; letter-spacing: 0.06em;
}
.hero-subtitle { font-size: 17px; color: #E8E2D6; margin-top: 16px; }
.hero-desc { font-size: 15px; color: rgba(232,226,214,0.8); max-width: 560px; margin: 12px auto 0; line-height: 1.8; }
.hero-stats { display: flex; align-items: center; justify-content: center; gap: 0; margin-top: 48px; }
.stat-item { padding: 0 40px; text-align: center; }
.stat-num { font-size: 36px; font-weight: 700; color: var(--gold-light); font-feature-settings: 'tnum'; line-height: 1.2; }
.stat-label { font-size: 13px; color: rgba(232,226,214,0.7); margin-top: 6px; }
.stat-line { width: 1px; height: 44px; background: rgba(199,164,107,0.35); }
.scroll-indicator {
    position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    color: var(--gold); font-size: 20px; z-index: 5;
}
.scroll-line { width: 1px; height: 36px; background: var(--gold); opacity: 0.7; }

/* 卖点区 */
.feature-card-large {
    background: var(--white); border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow-sm); border: 1px solid var(--line);
    transition: all var(--ease); position: relative;
}
.feature-card-large::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform var(--ease);
}
.feature-card-large:hover::before { transform: scaleX(1); }
.feature-card-large:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.feature-img { height: 220px; overflow: hidden; }
.feature-img img { width: 100%; height: 100%; object-fit: cover; }
.feature-body { padding: 28px; }
.feature-body .text-link { display: inline-block; margin-top: 14px; font-size: 14px; }
.feature-card-small {
    background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm);
    border: 1px solid var(--line); padding: 28px; position: relative;
    transition: all var(--ease); height: 100%;
    display: flex; flex-direction: column; justify-content: center;
}
.feature-card-small::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform var(--ease);
}
.feature-card-small:hover::before { transform: scaleX(1); }
.feature-card-small:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.feature-card-small .text-link { display: inline-block; margin-top: 10px; font-size: 14px; color: var(--gold-dark); font-weight: 600; }

/* 演示区 */
.demo-list { list-style: none; }
.demo-list li { position: relative; padding-left: 20px; font-size: 15px; color: #CFCBBE; }
.demo-list li::before {
    content: ''; position: absolute; left: 0; top: 10px;
    width: 6px; height: 6px; border-radius: 50%; background: var(--gold);
}
.demo-panel {
    border: 1px solid #3A4542; border-radius: var(--radius-lg);
    overflow: hidden; background: #0E1110; box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.demo-panel img { width: 100%; height: auto; }
.demo-note { padding: 12px 16px; font-size: 12px; color: rgba(255,255,255,0.5); border-top: 1px solid #1E2623; }

/* 证据区 */
.testimonial-card {
    background: var(--white); border-radius: var(--radius);
    box-shadow: var(--shadow-sm); padding: 32px;
    transition: all var(--ease); border: 1px solid var(--line);
    position: relative;
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.quote-mark { font-family: Georgia, serif; font-size: 48px; color: var(--gold); line-height: 1; margin-bottom: 8px; }
.quote-text { font-size: 14px; line-height: 1.7; color: #333A33; }
.quote-author { margin-top: 20px; display: flex; flex-direction: column; }
.author-name { font-weight: 600; color: var(--text-main); font-size: 14px; }
.author-role { font-size: 12px; color: var(--text-weak); }
.rating { display: flex; gap: 2px; margin-top: 12px; color: var(--gold); font-size: 14px; }

/* 价格区 */
.pricing-card {
    background: var(--white); border-radius: var(--radius); border: 1px solid var(--line);
    box-shadow: var(--shadow-sm); padding: 36px 32px; position: relative;
    transition: all var(--ease); display: flex; flex-direction: column;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.pricing-card.featured {
    background: var(--primary); border: 1.5px solid var(--gold);
    color: var(--white); box-shadow: 0 16px 40px rgba(47,74,67,0.25);
}
.featured-tag {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--gold); color: var(--ink); font-size: 12px; font-weight: 600;
    padding: 4px 14px; border-radius: 100px; white-space: nowrap;
}
.price { font-size: 36px; font-weight: 700; font-feature-settings: 'tnum'; margin: 16px 0; color: var(--text-main); }
.pricing-card.featured .price { color: var(--gold-light); }
.price span { font-size: 14px; font-weight: 400; color: var(--text-weak); }
.pricing-card.featured .price span { color: rgba(255,255,255,0.6); }
.price-list { list-style: none; flex: 1; margin: 12px 0 24px; }
.price-list li { padding: 6px 0; font-size: 14px; color: var(--text-weak); display: flex; align-items: flex-start; gap: 8px; }
.price-list li::before { content: '✓'; color: var(--gold); font-weight: 700; flex-shrink: 0; }
.pricing-card.featured .price-list li { color: rgba(255,255,255,0.75); }
.pricing-card.featured .price-list li::before { color: var(--gold-light); }

/* FAQ */
.faq-item {
    background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 20px 24px; transition: all var(--ease); position: relative; overflow: hidden;
}
.faq-item.open { background: #F1EEE6; border-color: var(--gold); }
.faq-item.open::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--gold); }
.faq-question {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 16px; font-weight: 600; color: var(--text-main); width: 100%; text-align: left;
    transition: color var(--ease); font-family: 'Noto Sans SC', sans-serif;
}
.faq-item.open .faq-question { color: var(--gold-dark); }
.faq-icon { width: 20px; height: 20px; position: relative; flex-shrink: 0; transition: transform var(--ease); }
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; background: #9AA197; border-radius: 1px; transition: background var(--ease), transform var(--ease); }
.faq-icon::before { width: 12px; height: 2px; top: 9px; left: 4px; }
.faq-icon::after { width: 2px; height: 12px; top: 4px; left: 9px; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-item.open .faq-icon::before, .faq-item.open .faq-icon::after { background: var(--gold); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer p { padding-top: 14px; font-size: 14px; line-height: 1.8; color: #3A403A; }

/* 资讯区 */
.news-card {
    background: var(--white); border-radius: var(--radius); border: 1px solid var(--line);
    overflow: hidden; transition: all var(--ease);
}
.news-card:hover { box-shadow: var(--shadow-hover); border-color: var(--gold); background: #FCFBF8; }
.news-card-inner { display: flex; gap: 20px; padding: 16px; }
.news-thumb { width: 160px; height: 100px; flex-shrink: 0; border-radius: var(--radius); overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { flex: 1; min-width: 0; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.badge-gold {
    display: inline-block; padding: 2px 10px; border-radius: 100px;
    border: 1px solid var(--gold); color: var(--gold-dark);
    font-size: 12px; font-weight: 500;
}
.news-time { font-size: 12px; color: var(--text-weak); }
.news-title { font-size: 16px; font-weight: 600; color: var(--text-main); line-height: 1.5; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; transition: color var(--ease); }
.news-card:hover .news-title { color: var(--gold-dark); }
.news-excerpt { font-size: 14px; color: var(--text-weak); margin-top: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-empty {
    border: 2px dashed var(--line-dark); border-radius: var(--radius);
    padding: 48px 24px; text-align: center; color: var(--text-weak); background: var(--white);
}

/* 页脚 */
.site-footer { background: var(--ink); color: #C4C0B2; padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .logo-text { color: var(--white); font-size: 22px; }
.footer-desc { font-size: 13px; color: #8B8F82; margin-top: 12px; line-height: 1.7; max-width: 280px; }
.footer-col-title { font-size: 14px; font-weight: 600; color: var(--gold); margin-bottom: 16px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: #C4C0B2; transition: color var(--ease); }
.footer-links a:hover { color: var(--gold-light); }
.footer-contact { list-style: none; }
.footer-contact li { font-size: 14px; color: #C4C0B2; margin-bottom: 10px; display: flex; align-items: flex-start; gap: 8px; }
.footer-bottom {
    border-top: 1px solid #2A302E; padding: 20px 0;
    text-align: center; font-size: 12px; color: #8B8F82;
}

/* 浮动 CTA */
.floating-cta {
    position: fixed; right: 24px; bottom: 24px; z-index: 40;
    width: 56px; height: 56px; border-radius: 50%;
    background: var(--ink); border: 1px solid var(--gold);
    display: flex; align-items: center; justify-content: center;
    color: var(--gold); font-size: 22px;
    opacity: 0; visibility: hidden; transition: all var(--ease);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}
.floating-cta.visible { opacity: 1; visibility: visible; }
.floating-cta:hover { background: var(--primary); transform: translateY(-3px); }
.floating-cta:focus { outline: 2px solid var(--gold-light); outline-offset: 2px; }

/* 滚动出现动画 */
.fade-up { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }

/* CTA 横幅 */
.cta-banner {
    background: var(--primary); border-radius: var(--radius-lg);
    padding: 56px; display: flex; align-items: center; justify-content: space-between;
    gap: 32px; position: relative; overflow: hidden;
}
.cta-banner::after {
    content: ''; position: absolute; right: -80px; top: -80px;
    width: 240px; height: 240px; border-radius: 50%;
    background: rgba(199,164,107,0.08);
}
.cta-banner h2 { color: var(--white); }
.cta-banner p { color: rgba(255,255,255,0.7); margin-top: 8px; }

/* 响应式断点 */
@media (max-width: 1024px) {
    .nav-links { gap: 20px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .hero { min-height: 560px; }
    .section { padding: 72px 0; }
}
@media (max-width: 768px) {
    .h1-display { font-size: 34px; }
    .h2-title { font-size: 26px; }
    .section { padding: 56px 0; }
    .hero { min-height: 500px; }
    .hero-stats { flex-direction: column; gap: 16px; margin-top: 32px; }
    .stat-line { width: 40px; height: 1px; }
    .stat-item { padding: 0; }
    .feature-img { height: 180px; }
    .feature-body { padding: 24px; }
    .news-card-inner { flex-direction: column; }
    .news-thumb { width: 100%; height: 140px; }
    .cta-banner { padding: 32px; flex-direction: column; text-align: center; }
    .pricing-card { padding: 28px 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
    .floating-cta { right: 16px; bottom: 16px; width: 48px; height: 48px; font-size: 18px; }
}
@media (max-width: 576px) {
    .h1-display { font-size: 28px; }
    .hero { min-height: 460px; }
    .hero-desc { font-size: 14px; }
    .btn { padding: 10px 20px; font-size: 14px; }
    .hero-subtitle { font-size: 16px; }
    .demo-panel { border-radius: 12px; }
    .section { padding: 48px 0; }
    .container { padding: 0 16px; }
}

/* roulang page: article */
:root {
            --primary: #2F4A43;
            --primary-dark: #233832;
            --primary-deeper: #161A19;
            --accent: #C7A46B;
            --accent-dark: #B8934E;
            --accent-light: #DFC08A;
            --bg-light: #F6F5F1;
            --bg-white: #FFFFFF;
            --text-main: #1F2420;
            --text-weak: #5B625B;
            --border: #ECE8DC;
            --border-dark: #E2DED3;
            --error: #B3382C;
            --success: #3A7A5A;
            --warning: #8A6B37;
            --radius-card: 8px;
            --radius-btn: 8px;
            --radius-badge: 100px;
            --radius-img: 16px;
            --shadow-card: 0 1px 3px rgba(22, 26, 25, 0.04);
            --shadow-hover: 0 12px 30px rgba(22, 26, 25, 0.10);
            --shadow-nav: 0 4px 16px rgba(0, 0, 0, 0.08);
            --transition: 0.25s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-main);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .container-narrow {
            max-width: 760px;
        }

        /* ===== 顶部信息条 ===== */
        .topbar {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border);
            height: 36px;
            display: flex;
            align-items: center;
        }

        .topbar-inner {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .topbar-domain {
            font-size: 12px;
            color: var(--text-weak);
            letter-spacing: 0.02em;
        }

        .topbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .topbar-link {
            font-size: 12px;
            color: var(--text-weak);
            padding: 4px 6px;
            border-radius: 4px;
            transition: color var(--transition);
        }

        .topbar-link:hover {
            color: var(--accent-dark);
        }

        .topbar-divider {
            width: 1px;
            height: 14px;
            background: var(--border-dark);
        }

        /* ===== 主导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--primary);
            height: 72px;
            display: flex;
            align-items: center;
            transition: height var(--transition), box-shadow var(--transition), background var(--transition);
        }

        .site-header.scrolled {
            height: 60px;
            box-shadow: var(--shadow-nav);
            background: rgba(47, 74, 67, 0.97);
        }

        .header-inner {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-flex;
        }

        .logo-text {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.04em;
            line-height: 1.2;
        }

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

        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            padding: 8px 2px;
            transition: color var(--transition);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }

        .nav-link:hover {
            color: #FFFFFF;
        }

        .nav-link:hover::after {
            transform: scaleX(1);
        }

        .nav-link.active {
            color: #FFFFFF;
            font-weight: 600;
        }

        .nav-link.active::after {
            transform: scaleX(1);
            background: var(--accent);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-sans);
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            border: 1px solid transparent;
            transition: all var(--transition);
            letter-spacing: 0.02em;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--accent);
            color: #1F2420;
            border-color: var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(183, 147, 78, 0.25);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.55);
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent-light);
            transform: translateY(-2px);
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--text-main);
            border-color: var(--border-dark);
        }

        .btn-outline-dark:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 34px;
            font-size: 15px;
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== 移动端展开按钮 ===== */
        .mobile-toggle {
            display: inline-flex;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: #FFFFFF;
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .mobile-toggle:hover {
            border-color: var(--accent);
        }

        .mobile-menu {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 280px;
            max-width: 90vw;
            background: var(--primary-deeper);
            z-index: 200;
            transform: translateX(100%);
            transition: transform var(--transition);
            display: flex;
            flex-direction: column;
            padding: 24px;
            box-shadow: -8px 0 30px rgba(0, 0, 0, 0.3);
        }

        .mobile-menu.open {
            transform: translateX(0);
        }

        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-top: 48px;
            flex: 1;
        }

        .mobile-nav-link {
            font-size: 20px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.82);
            line-height: 48px;
            padding: 0 8px;
            border-radius: 6px;
            transition: all var(--transition);
        }

        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            color: var(--accent-light);
            background: rgba(199, 164, 107, 0.1);
        }

        .mobile-menu-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 22px;
            border-radius: 50%;
            transition: background var(--transition);
        }

        .mobile-menu-close:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-menu-footer {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 16px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .mobile-menu-footer span {
            font-size: 12px;
            color: #8B8F82;
        }

        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 150;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition);
        }

        .mobile-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        /* ===== 文章标题区 ===== */
        .article-hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deeper) 80%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-blend-mode: multiply;
            padding: 72px 0 56px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .breadcrumb {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.35);
            margin: 0 2px;
        }

        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.85);
            max-width: 300px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            margin-bottom: 18px;
            font-size: 13px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 14px;
            border: 1px solid var(--accent);
            color: var(--accent-light);
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .meta-date,
        .meta-author {
            color: rgba(255, 255, 255, 0.6);
        }

        .meta-author::before {
            content: '·';
            margin-right: 14px;
            color: rgba(255, 255, 255, 0.35);
        }

        .article-title {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            color: #FFFFFF;
            margin: 0;
            max-width: 900px;
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .article-title {
                font-size: 46px;
            }
        }

        /* ===== 正文阅读区 ===== */
        .article-body-section {
            background: #FFFFFF;
            padding: 56px 0 64px;
        }

        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-main);
        }

        .article-body h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin: 40px 0 18px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
            color: var(--text-main);
        }

        .article-body h3 {
            font-family: var(--font-serif);
            font-size: 21px;
            font-weight: 600;
            line-height: 1.5;
            margin: 32px 0 12px;
            color: var(--text-main);
        }

        .article-body p {
            margin: 0 0 20px;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 20px;
            padding-left: 24px;
        }

        .article-body ul li,
        .article-body ol li {
            margin-bottom: 8px;
        }

        .article-body > p > img,
        .article-body img {
            width: 100%;
            border-radius: var(--radius-img);
            margin: 28px 0;
            box-shadow: var(--shadow-card);
        }

        .article-body blockquote {
            margin: 32px 0;
            padding: 20px 28px;
            border-left: 4px solid var(--accent);
            background: #F7F4EC;
            border-radius: 0 8px 8px 0;
            font-style: normal;
            color: #3A403A;
        }

        .article-body blockquote p {
            margin: 0;
        }

        .article-body pre,
        .article-body code {
            font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
            background: #F3F4F2;
            border-radius: 6px;
            font-size: 14px;
        }

        .article-body code {
            padding: 2px 6px;
        }

        .article-body pre {
            padding: 20px;
            overflow-x: auto;
            margin: 24px 0;
            border: 1px solid var(--border);
        }

        .article-body pre code {
            padding: 0;
            background: none;
        }

        .article-body a {
            color: var(--accent-dark);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .article-body a:hover {
            color: var(--primary);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }

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

        .article-body table th {
            background: var(--bg-light);
            font-weight: 600;
        }

        .not-found {
            text-align: center;
            padding: 80px 0;
        }

        .not-found p {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 24px;
        }

        /* ===== 相关推荐区 ===== */
        .recommend-section {
            background: var(--bg-light);
            padding: 72px 0 80px;
        }

        .recommend-section .section-title {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            margin: 0 0 40px;
            color: var(--text-main);
            position: relative;
            padding-left: 24px;
        }

        .recommend-section .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: var(--accent);
        }

        .recommend-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        @media (min-width: 768px) {
            .recommend-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .recommend-card {
            display: block;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            position: relative;
        }

        .recommend-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
            z-index: 2;
        }

        .recommend-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .recommend-card:hover::before {
            transform: scaleX(1);
        }

        .recommend-cover {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--border);
        }

        .recommend-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .recommend-card:hover .recommend-cover img {
            transform: scale(1.04);
        }

        .recommend-body {
            padding: 20px 24px 24px;
        }

        .recommend-body h3 {
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin: 0 0 8px;
            color: var(--text-main);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .recommend-body p {
            font-size: 14px;
            line-height: 1.6;
            color: var(--text-weak);
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .recommend-time {
            font-size: 12px;
            color: var(--text-weak);
        }

        .empty-tip {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 24px;
            border: 2px dashed var(--border-dark);
            border-radius: var(--radius-card);
            color: var(--text-weak);
            font-size: 15px;
            background: #FFFFFF;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            background: var(--primary-deeper);
            padding: 80px 0;
            text-align: center;
        }

        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 16px;
            line-height: 1.3;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.65);
            margin: 0 0 32px;
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-deeper);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1.2fr;
            }
        }

        .footer-brand .logo-text {
            font-size: 26px;
        }

        .footer-desc {
            margin: 16px 0 0;
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 300px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-links,
        .footer-contact {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a,
        .footer-contact li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
        }

        /* ===== 浮动按钮 ===== */
        .back-top-btn {
            position: fixed;
            right: 28px;
            bottom: 28px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-deeper);
            border: 2px solid var(--accent);
            color: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 90;
            opacity: 0;
            pointer-events: none;
            transform: translateY(12px);
            transition: opacity var(--transition), transform var(--transition), background var(--transition);
        }

        .back-top-btn.visible {
            opacity: 0.85;
            pointer-events: auto;
            transform: translateY(0);
        }

        .back-top-btn:hover {
            opacity: 1;
            background: var(--accent);
            color: #1F2420;
        }

        @media (max-width: 768px) {
            .back-top-btn {
                right: 18px;
                bottom: 18px;
                width: 40px;
                height: 40px;
            }
        }

        /* ===== 滚动出现动效 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 响应式补充 ===== */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .article-hero {
                padding: 48px 0 40px;
            }

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

            .recommend-section {
                padding: 56px 0 64px;
            }

            .cta-section {
                padding: 64px 0;
            }

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

        @media (max-width: 576px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .topbar-domain {
                font-size: 11px;
            }

            .topbar-link {
                font-size: 11px;
            }

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

            .article-meta {
                flex-wrap: wrap;
                gap: 8px 14px;
            }

            .article-body {
                font-size: 15px;
            }

            .article-body h2 {
                font-size: 24px;
            }

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

/* roulang page: category2 */
:root {
            --primary-dark: #2F4A43;
            --primary-deep: #161A19;
            --gold: #C7A46B;
            --gold-dark: #B8934E;
            --gold-light: #DFC08A;
            --bg-light: #F6F5F1;
            --bg-light-alt: #ECEAE3;
            --text-dark: #1F2420;
            --text-weak: #5B625B;
            --border-soft: #ECE8DC;
            --border-light: #E2DED3;
            --error: #B3382C;
            --success: #3A7A5A;
            --warn: #8A6B37;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, border 0.25s ease;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* ---------- 顶部信息条 ---------- */
        .top-bar {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-soft);
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 12px;
            color: var(--text-weak);
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-bar-right a {
            color: var(--text-weak);
            font-weight: 500;
        }

        .top-bar-right a:hover {
            color: var(--gold-dark);
        }

        /* ---------- 主导航 ---------- */
        .main-nav {
            background: var(--primary-dark);
            height: 72px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 100;
            transition: height 0.25s ease, box-shadow 0.25s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .main-nav.scrolled {
            height: 60px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .logo-text {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.05em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            letter-spacing: 0.02em;
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gold);
            transition: width 0.25s ease;
        }

        .nav-links a:hover {
            color: #fff;
        }

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

        .nav-links a.active {
            color: #fff;
            font-weight: 600;
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--gold);
            color: #1F2420;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 22px;
            border-radius: 8px;
            transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(199, 164, 107, 0.28);
        }

        /* 汉堡菜单 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
        }

        .hamburger span {
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform 0.25s ease, opacity 0.25s ease;
        }

        /* 移动端抽屉 */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            height: 100vh;
            background: var(--primary-dark);
            z-index: 200;
            display: flex;
            flex-direction: column;
            padding: 32px 28px;
            transition: right 0.3s ease;
        }

        .mobile-menu.open {
            right: 0;
        }

        .mobile-menu-close {
            align-self: flex-end;
            color: #fff;
            font-size: 28px;
            line-height: 1;
            padding: 4px 8px;
            margin-bottom: 32px;
        }

        .mobile-menu a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 20px;
            line-height: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-menu a.active {
            color: var(--gold);
        }

        .mobile-menu .mobile-footer {
            margin-top: auto;
            padding-top: 24px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .mobile-menu .mobile-footer .nav-cta {
            align-self: flex-start;
        }

        /* ---------- 页面 Hero ---------- */
        .inner-hero {
            background: linear-gradient(135deg, rgba(47, 74, 67, 0.92) 0%, rgba(22, 26, 25, 0.96) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 64px 0;
            position: relative;
        }

        .inner-hero .container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .inner-hero-badge {
            display: inline-flex;
            align-items: center;
            border: 1px solid var(--gold);
            color: var(--gold-light);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 16px;
            border-radius: 100px;
            margin-bottom: 18px;
            letter-spacing: 0.1em;
        }

        .inner-hero h1 {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }

        .inner-hero p {
            color: #E8E2D6;
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ---------- 板块通用 ---------- */
        .section {
            padding: 96px 0;
        }

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

        .section-deep {
            background: var(--primary-deep);
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-dark);
            position: relative;
            padding-left: 24px;
        }

        .section-header h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            width: 4px;
            height: 24px;
            background: var(--gold);
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-weak);
            font-size: 15px;
            max-width: 640px;
            margin-top: 12px;
            margin-left: 24px;
            line-height: 1.8;
        }

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

        .section-header.center h2 {
            padding-left: 0;
            display: inline-block;
        }

        .section-header.center h2::before {
            display: none;
        }

        .section-header.center p {
            margin-left: auto;
            margin-right: auto;
        }

        /* ---------- 赛事中心特色卡片 ---------- */
        .feature-grid-vertical {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 32px;
        }

        .feature-card-large {
            grid-column: span 7;
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            position: relative;
        }

        .feature-card-large::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gold);
            opacity: 0;
            transition: opacity 0.25s ease;
        }

        .feature-card-large:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(22, 26, 25, 0.1);
        }

        .feature-card-large:hover::before {
            opacity: 1;
        }

        .feature-card-large .card-img {
            height: 220px;
            overflow: hidden;
            background: var(--primary-dark);
        }

        .feature-card-large .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-card-large .card-body {
            padding: 28px;
        }

        .feature-card-large h3 {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .feature-card-large p {
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .feature-link {
            color: var(--gold-dark);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.25s ease;
        }

        .feature-link:hover {
            gap: 8px;
            color: var(--gold-dark);
        }

        .feature-stack {
            grid-column: span 5;
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .feature-card-small {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            padding: 28px;
            flex: 1;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            position: relative;
        }

        .feature-card-small::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gold);
            opacity: 0;
            transition: opacity 0.25s ease;
        }

        .feature-card-small:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(22, 26, 25, 0.1);
        }

        .feature-card-small:hover::before {
            opacity: 1;
        }

        .feature-card-small h3 {
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .feature-card-small p {
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ---------- 数据指标 ---------- */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 24px;
        }

        .stat-card {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            padding: 32px 24px;
            text-align: center;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(22, 26, 25, 0.08);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--gold-dark);
            font-variant-numeric: tabular-nums;
            line-height: 1.3;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-weak);
            margin-top: 8px;
            font-weight: 500;
        }

        /* ---------- 赛事直播板块 ---------- */
        .live-section {
            background: var(--primary-deep);
        }

        .live-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
        }

        .live-content h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 16px;
            position: relative;
        }

        .live-content h2::before {
            content: "";
            display: block;
            width: 4px;
            height: 24px;
            background: var(--gold);
            border-radius: 2px;
            margin-bottom: 12px;
        }

        .live-content p {
            color: #B8BFB6;
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .live-feature-list {
            list-style: none;
            margin-bottom: 28px;
        }

        .live-feature-list li {
            color: #D9D5CA;
            font-size: 14px;
            padding-left: 20px;
            position: relative;
            margin-bottom: 10px;
        }

        .live-feature-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 9px;
            width: 6px;
            height: 6px;
            background: var(--gold);
            border-radius: 50%;
        }

        .live-visual {
            background: linear-gradient(145deg, #1E2C28, #232A27);
            border: 1px solid #3A4542;
            border-radius: 16px;
            overflow: hidden;
        }

        .live-visual img {
            width: 100%;
            height: auto;
            min-height: 320px;
            object-fit: cover;
        }

        .live-visual-caption {
            padding: 12px 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            border-top: 1px solid #3A4542;
            background: #1A201E;
        }

        /* ---------- 赛程亮点 ---------- */
        .schedule-timeline {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }

        .schedule-item {
            display: flex;
            align-items: center;
            gap: 24px;
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            padding: 20px 24px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .schedule-item:hover {
            border-color: var(--gold);
            box-shadow: 0 4px 16px rgba(22, 26, 25, 0.06);
        }

        .schedule-date {
            font-size: 14px;
            font-weight: 600;
            color: var(--gold-dark);
            min-width: 80px;
            font-variant-numeric: tabular-nums;
        }

        .schedule-match {
            font-size: 15px;
            font-weight: 600;
            flex: 1;
        }

        .schedule-status {
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 100px;
            background: #F1EEE6;
            color: var(--text-weak);
            border: 1px solid var(--border-soft);
            font-weight: 500;
        }

        .schedule-status.live {
            background: rgba(199, 164, 107, 0.15);
            color: var(--gold-dark);
            border-color: var(--gold);
        }

        /* ---------- 热门赛事卡 ---------- */
        .match-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .match-card {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            position: relative;
        }

        .match-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gold);
            opacity: 0;
            transition: opacity 0.25s ease;
        }

        .match-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(22, 26, 25, 0.1);
        }

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

        .match-card-img {
            height: 160px;
            overflow: hidden;
        }

        .match-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.25s ease;
        }

        .match-card:hover .match-card-img img {
            transform: scale(1.03);
        }

        .match-card-body {
            padding: 20px 24px 24px;
        }

        .match-card-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--gold-dark);
            border: 1px solid var(--gold);
            background: rgba(199, 164, 107, 0.08);
            border-radius: 100px;
            padding: 2px 12px;
            font-weight: 500;
            margin-bottom: 12px;
        }

        .match-card h3 {
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .match-card p {
            color: var(--text-weak);
            font-size: 13px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ---------- 证据区 ---------- */
        .testimonial-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            padding: 32px 28px;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(22, 26, 25, 0.1);
        }

        .quote-mark {
            font-family: Georgia, serif;
            font-size: 48px;
            color: var(--gold);
            line-height: 1;
            margin-bottom: 12px;
        }

        .testimonial-card .quote-text {
            font-size: 14px;
            color: #333A33;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .author-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
        }

        .author-name {
            font-size: 14px;
            font-weight: 600;
        }

        .author-meta {
            font-size: 12px;
            color: var(--text-weak);
        }

        .rating-row {
            margin-top: 16px;
            display: flex;
            gap: 2px;
        }

        .rating-star {
            color: var(--gold);
            font-size: 13px;
        }

        /* ---------- FAQ ---------- */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            padding: 20px 24px;
            transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
            position: relative;
        }

        .faq-item.open {
            background: #F1EEE6;
            border-color: var(--border-soft);
        }

        .faq-item.open::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 4px;
            height: 100%;
            background: var(--gold);
            border-radius: 4px 0 0 4px;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            user-select: none;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            position: relative;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: #8A8C82;
            transition: transform 0.25s ease, background 0.25s ease;
        }

        .faq-icon::before {
            width: 2px;
            height: 16px;
            top: 4px;
            left: 11px;
        }

        .faq-icon::after {
            width: 16px;
            height: 2px;
            top: 11px;
            left: 4px;
        }

        .faq-item.open .faq-icon::before {
            transform: rotate(90deg);
            background: var(--gold-dark);
        }

        .faq-item.open .faq-icon::after {
            background: var(--gold-dark);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, margin 0.3s ease;
            font-size: 14px;
            color: #3A403A;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            margin-top: 14px;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-deep));
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section .container {
            text-align: center;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-section p {
            color: #C4C0B2;
            font-size: 15px;
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

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

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--gold);
            color: #1F2420;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 32px;
            border-radius: 8px;
            transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
            min-width: 140px;
        }

        .btn-gold:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(199, 164, 107, 0.3);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            padding: 12px 32px;
            border-radius: 8px;
            transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
            min-width: 140px;
        }

        .btn-outline-light:hover {
            border-color: var(--gold);
            background: rgba(199, 164, 107, 0.08);
            transform: translateY(-2px);
        }

        /* ---------- 页脚 ---------- */
        .site-footer {
            background: var(--primary-deep);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo-text {
            font-size: 20px;
        }

        .footer-desc {
            color: #8B8F82;
            font-size: 13px;
            line-height: 1.8;
            margin-top: 16px;
            max-width: 260px;
        }

        .footer-col-title {
            color: var(--gold);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #C4C0B2;
            font-size: 14px;
            transition: color 0.25s ease;
        }

        .footer-links a:hover {
            color: var(--gold);
        }

        .footer-contact {
            list-style: none;
        }

        .footer-contact li {
            color: #C4C0B2;
            font-size: 14px;
            margin-bottom: 10px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 24px 0;
            text-align: center;
            color: #8B8F82;
            font-size: 12px;
        }

        /* ---------- 浮动 CTA ---------- */
        .floating-cta {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-deep);
            border: 1px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 22px;
            z-index: 150;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }

        .floating-cta.visible {
            opacity: 1;
            visibility: visible;
        }

        .floating-cta:hover {
            transform: translateY(-4px) scale(1.04);
            background: var(--primary-dark);
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1024px) {
            .section {
                padding: 80px 0;
            }

            .feature-grid-vertical {
                grid-template-columns: 1fr;
            }

            .feature-card-large {
                grid-column: span 1;
            }

            .feature-stack {
                grid-column: span 1;
                flex-direction: row;
            }

            .feature-card-small {
                flex: 1;
            }

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

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

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

        @media (max-width: 768px) {
            .top-bar-right {
                display: none;
            }

            .main-nav {
                height: 64px;
            }

            .nav-links {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .inner-hero h1 {
                font-size: 32px;
            }

            .inner-hero p {
                font-size: 15px;
            }

            .section-header h2 {
                font-size: 24px;
            }

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

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

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

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

            .schedule-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 576px) {
            .section {
                padding: 56px 0;
            }

            .feature-stack {
                flex-direction: column;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .btn-gold,
            .btn-outline-light {
                width: 100%;
                max-width: 280px;
            }
        }

        /* 动画 */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-up {
            opacity: 0;
            animation: fadeUp 0.6s ease forwards;
        }

        .fade-up-delay-1 {
            animation-delay: 0.1s;
        }

        .fade-up-delay-2 {
            animation-delay: 0.2s;
        }

/* roulang page: category1 */
:root {
            --primary: #2F4A43;
            --primary-dark: #161A19;
            --primary-light: #3A5A52;
            --accent: #C7A46B;
            --accent-dark: #B8934E;
            --accent-light: #DFC08A;
            --bg-light: #F6F5F1;
            --bg-white: #FFFFFF;
            --text-main: #1F2420;
            --text-weak: #5B625B;
            --text-light: #E8E2D6;
            --border: #ECE8DC;
            --border-dark: #E2DED3;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 1px 3px rgba(22, 26, 25, 0.04);
            --shadow-hover: 0 12px 30px rgba(22, 26, 25, 0.10);
            --transition: 0.25s ease;
            --font-serif: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 顶部信息条 ===== */
        .topbar {
            height: 36px;
            background-color: var(--bg-light);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
        }

        .topbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .topbar-domain {
            font-size: 12px;
            color: var(--text-weak);
            letter-spacing: 0.03em;
        }

        .topbar-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .topbar-link {
            font-size: 12px;
            color: var(--text-weak);
            font-weight: 500;
            transition: color var(--transition);
        }

        .topbar-link:hover {
            color: var(--accent-dark);
        }

        .topbar-divider {
            width: 1px;
            height: 12px;
            background: var(--border-dark);
        }

        /* ===== 主导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--primary);
            height: 72px;
            display: flex;
            align-items: center;
            transition: height var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            height: 60px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .logo-text {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 24px;
            color: #fff;
            letter-spacing: 0.03em;
            line-height: 1;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 6px;
            margin: 0 10px;
            position: relative;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
        }

        .nav-link:hover {
            color: var(--accent-light);
        }

        .nav-link.active {
            color: #fff;
            border-bottom-color: var(--accent);
        }

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

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

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

        .header-cta {
            padding: 9px 18px;
            font-size: 13px;
            font-weight: 600;
        }

        .mobile-toggle {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            z-index: 102;
        }

        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .mobile-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 移动端抽屉 */
        .mobile-drawer {
            position: fixed;
            inset: 0;
            background: var(--primary-dark);
            z-index: 99;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition), visibility var(--transition);
        }

        .mobile-drawer.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer-inner {
            text-align: center;
            padding: 32px;
        }

        .mobile-link {
            display: block;
            font-size: 20px;
            line-height: 48px;
            color: var(--text-light);
            font-weight: 500;
            transition: color var(--transition);
        }

        .mobile-link:hover,
        .mobile-link.active {
            color: var(--accent-light);
        }

        .mobile-cta {
            margin-top: 20px;
        }

        .mobile-domain {
            display: block;
            margin-top: 32px;
            font-size: 13px;
            color: #8B8F82;
            letter-spacing: 0.05em;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            line-height: 1.4;
            transition: all var(--transition);
            border: 1.5px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #1F2420;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(199, 164, 107, 0.30);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            border: 1.5px solid var(--accent);
            color: var(--accent);
            background: transparent;
        }

        .btn-outline:hover {
            background: var(--accent);
            color: #1F2420;
        }

        .btn-outline-light {
            border: 1.5px solid rgba(255, 255, 255, 0.55);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            border-color: var(--accent-light);
            color: var(--accent-light);
            background: rgba(199, 164, 107, 0.10);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 15px;
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        .mobile-toggle:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            background-color: var(--primary);
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.22;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(47, 74, 67, 0.72) 0%, rgba(22, 26, 25, 0.95) 100%);
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            padding: 96px 24px 88px;
            text-align: center;
            width: 100%;
        }

        .hero-badge {
            display: inline-block;
            border: 1px solid var(--accent);
            border-radius: 100px;
            color: var(--accent-light);
            font-size: 12px;
            padding: 5px 16px;
            letter-spacing: 0.08em;
            margin-bottom: 24px;
            background: rgba(199, 164, 107, 0.08);
        }

        .category-hero-content h1 {
            font-family: var(--font-serif);
            font-size: 46px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 18px;
        }

        .category-hero-content p {
            font-size: 17px;
            color: var(--text-light);
            max-width: 660px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-scroll {
            position: absolute;
            bottom: 28px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            color: var(--accent);
        }

        .hero-scroll-line {
            width: 1px;
            height: 36px;
            background: var(--accent);
            opacity: 0.7;
        }

        /* ===== 通用section ===== */
        .section {
            padding: 96px 0;
        }

        .section-alt {
            background-color: #fff;
        }

        .section-dark {
            background-color: var(--primary-dark);
            color: #fff;
        }

        .section-head {
            margin-bottom: 52px;
        }

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

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--accent-dark);
            font-weight: 600;
            letter-spacing: 0.10em;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-label::before {
            content: '';
            width: 26px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-head.center .section-label::after {
            content: '';
            width: 26px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-weak);
            max-width: 580px;
            line-height: 1.8;
        }

        .section-head.center p {
            margin-left: auto;
            margin-right: auto;
        }

        .section-dark .section-head h2 {
            color: #fff;
        }

        .section-dark .section-head p {
            color: rgba(255, 255, 255, 0.65);
        }

        .section-dark .section-label {
            color: var(--accent-light);
        }

        /* ===== 交错图文 ===== */
        .split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .split-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
        }

        .split-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
            transition: transform 0.6s ease;
        }

        .split-media:hover img {
            transform: scale(1.02);
        }

        .split-content h3 {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 14px;
        }

        .split-content p {
            color: var(--text-weak);
            margin-bottom: 20px;
            font-size: 15px;
        }

        .check-list {
            list-style: none;
            margin: 18px 0 26px;
        }

        .check-list li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 12px;
            color: var(--text-main);
            line-height: 1.7;
        }

        .check-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 5px;
            width: 17px;
            height: 17px;
            border-radius: 50%;
            background: rgba(199, 164, 107, 0.14);
            border: 1px solid var(--accent);
        }

        .check-list li::after {
            content: '✓';
            position: absolute;
            left: 4px;
            top: 0;
            color: var(--accent-dark);
            font-size: 11px;
            font-weight: 700;
        }

        /* ===== 不对称卡片 ===== */
        .asym-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
            align-items: stretch;
        }

        .asym-right {
            display: grid;
            grid-template-rows: 1fr 1fr;
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
            z-index: 2;
        }

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

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-card .card-media {
            height: 210px;
            overflow: hidden;
        }

        .feature-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .feature-card:hover .card-media img {
            transform: scale(1.04);
        }

        .feature-card .card-body {
            padding: 28px;
        }

        .feature-card .card-body h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .feature-card .card-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .feature-card-small .card-body {
            padding: 24px 24px 20px;
        }

        .feature-card-small .card-body h3 {
            font-size: 17px;
            margin-bottom: 6px;
        }

        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-dark);
            border: 1px solid var(--accent);
            border-radius: 100px;
            padding: 3px 12px;
            margin-bottom: 12px;
            background: rgba(199, 164, 107, 0.06);
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            transition: color var(--transition), gap var(--transition);
        }

        .text-link:hover {
            color: var(--primary);
            gap: 10px;
        }

        /* ===== 时间线 ===== */
        .timeline {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
            padding-left: 30px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--border-dark);
        }

        .timeline-item {
            position: relative;
            padding: 0 0 40px 28px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -30px;
            top: 6px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--accent);
        }

        .timeline-step {
            display: block;
            font-size: 12px;
            color: var(--accent-dark);
            font-weight: 600;
            letter-spacing: 0.10em;
            margin-bottom: 6px;
        }

        .timeline-item h3 {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
            max-width: 620px;
        }

        /* ===== 数据区块 ===== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
            padding: 24px 0;
        }

        .data-item {
            padding: 12px 8px;
            position: relative;
        }

        .data-item+.data-item::before {
            content: '';
            position: absolute;
            left: -16px;
            top: 20%;
            height: 60%;
            width: 1px;
            background: rgba(255, 255, 255, 0.10);
        }

        .data-number {
            display: block;
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
            margin-bottom: 4px;
        }

        .data-label {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.05em;
        }

        /* ===== 服务网格 ===== */
        .service-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .service-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 30px;
            transition: all var(--transition);
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }

        .service-card .icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(199, 164, 107, 0.12);
            border: 1px solid rgba(199, 164, 107, 0.30);
            border-radius: var(--radius-sm);
            color: var(--accent-dark);
            font-size: 19px;
            margin-bottom: 18px;
        }

        .service-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item.open {
            border-color: var(--accent);
            box-shadow: 0 4px 16px rgba(199, 164, 107, 0.08);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            transition: background var(--transition);
        }

        .faq-item.open .faq-question {
            background: #F1EEE6;
        }

        .faq-icon {
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 400;
            color: var(--text-weak);
            transition: transform var(--transition), color var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            font-size: 14px;
            color: #3A403A;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 360px;
            padding: 0 24px 20px;
        }

        .faq-item.open::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--accent);
        }

        .faq-item {
            position: relative;
        }

        /* ===== CTA ===== */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(47, 74, 67, 0.92), rgba(22, 26, 25, 0.96));
            z-index: 0;
        }

        .cta-banner>* {
            position: relative;
            z-index: 1;
        }

        .cta-banner h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 15px;
            max-width: 520px;
            margin: 0 auto 30px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: #c4c0b2;
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 13px;
            color: #8B8F82;
            line-height: 1.8;
            margin-top: 14px;
            max-width: 300px;
        }

        .footer-col-title {
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.04em;
        }

        .footer-links,
        .footer-contact {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: #C4C0B2;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-light);
        }

        .footer-contact li {
            font-size: 14px;
            color: #C4C0B2;
            margin-bottom: 10px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: #8B8F82;
        }

        /* ===== 浮动CTA ===== */
        .floating-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-dark);
            border: 1.5px solid var(--accent);
            color: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            z-index: 90;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all var(--transition);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
        }

        .floating-cta.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .floating-cta:hover {
            background: var(--primary);
            color: var(--accent-light);
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
        }

        /* ===== Reveal 动效 ===== */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .reveal.in-view {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .split-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

            .asym-right {
                grid-template-columns: 1fr 1fr;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .data-item+.data-item::before {
                display: none;
            }

            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .category-hero-content {
                padding: 64px 24px 72px;
            }

            .category-hero-content h1 {
                font-size: 32px;
            }

            .category-hero-content p {
                font-size: 15px;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .section-head h2 {
                font-size: 24px;
            }

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

            .asym-right {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .data-number {
                font-size: 32px;
            }

            .cta-banner {
                padding: 40px 24px;
            }

            .cta-banner h2 {
                font-size: 22px;
            }

            .timeline {
                padding-left: 24px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }

            .category-hero-content {
                padding: 48px 16px 64px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
                padding: 0 20px;
            }

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

            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .data-number {
                font-size: 28px;
            }

            .check-list li {
                font-size: 14px;
            }

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

            .floating-cta {
                right: 16px;
                bottom: 16px;
                width: 48px;
                height: 48px;
                font-size: 17px;
            }
        }

/* roulang page: category3 */
:root {
            --brand: #2F4A43;
            --brand-light: #3A5A52;
            --gold: #C7A46B;
            --gold-dark: #B8934E;
            --gold-light: #DFC08A;
            --bg-light: #F6F5F1;
            --bg-dark: #161A19;
            --text-main: #1F2420;
            --text-muted: #5B625B;
            --border: #ECE8DC;
            --border-dark: #E2DED3;
            --radius: 8px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 3px rgba(22,26,25,0.04);
            --shadow-md: 0 12px 30px rgba(22,26,25,0.10);
            --shadow-btn: 0 8px 20px rgba(199,164,107,0.3);
            --transition: 0.25s ease;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-main);
            background: #fff;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            background: transparent;
        }

        input:focus, textarea:focus, button:focus {
            outline: 2px solid rgba(199, 164, 107, 0.6);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ---------- 顶部信息条 ---------- */
        .topbar {
            background: var(--bg-light);
            height: 36px;
            border-bottom: 1px solid var(--border);
        }

        .topbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .topbar-domain {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        .topbar-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .topbar-actions a {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
            transition: color var(--transition);
        }

        .topbar-actions a:hover {
            color: var(--gold-dark);
        }

        .topbar-divider {
            width: 1px;
            height: 12px;
            background: var(--border-dark);
        }

        .topbar-socials {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 6px;
        }

        .topbar-socials a {
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: var(--text-muted);
            border: 1px solid transparent;
            border-radius: 50%;
            transition: all var(--transition);
        }

        .topbar-socials a:hover {
            color: var(--gold-dark);
            border-color: var(--gold);
        }

        /* ---------- 主导航 ---------- */
        .site-header {
            background: var(--brand);
            height: 72px;
            position: sticky;
            top: 0;
            z-index: 100;
            transition: height var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            height: 60px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }

        .site-header.scrolled .header-cta {
            padding: 7px 16px;
            font-size: 13px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            display: flex;
            align-items: center;
        }

        .logo-text {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            line-height: 1;
        }

        nav.nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            padding: 8px 0;
            transition: color var(--transition);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--gold);
            transition: width var(--transition);
        }

        .nav-link:hover {
            color: #fff;
        }

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

        .nav-link.active {
            color: #fff;
        }

        .nav-link.active::after {
            width: 100%;
            background: var(--gold);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--gold);
            color: #161A19;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 20px;
            border-radius: var(--radius);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn);
        }

        .header-cta:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius);
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            transition: all var(--transition);
        }

        .menu-toggle:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

        .mobile-menu {
            position: fixed;
            inset: 0;
            background: var(--brand);
            z-index: 99;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 8px;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition), visibility var(--transition);
        }

        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-menu a {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 48px;
            padding: 0 20px;
            font-weight: 500;
            transition: color var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--gold);
        }

        .mobile-menu-bottom {
            margin-top: 40px;
            text-align: center;
        }

        .mobile-menu-bottom .domain {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 16px;
        }

        /* ---------- 分类页 Hero ---------- */
        .cat-hero {
            min-height: 260px;
            background: linear-gradient(135deg, rgba(47, 74, 67, 0.93) 0%, rgba(22, 26, 25, 0.97) 100%), url('/assets/images/backpic/back-2.png') center/cover;
            display: flex;
            align-items: center;
            position: relative;
            padding: 48px 0;
        }

        .cat-hero-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .cat-hero .breadcrumb {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .cat-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

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

        .cat-hero .breadcrumb span {
            color: rgba(255, 255, 255, 0.35);
        }

        .cat-hero h1 {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .cat-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.72);
            max-width: 560px;
            line-height: 1.7;
        }

        /* ---------- 通用板块 ---------- */
        .section {
            padding: 96px 0;
        }

        .section-dark {
            background: var(--bg-dark);
            color: #fff;
        }

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

        .section-white {
            background: #fff;
        }

        .section-header {
            max-width: 720px;
            margin-bottom: 48px;
        }

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

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 600;
            color: var(--gold-dark);
            letter-spacing: 0.08em;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-eyebrow::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--gold);
            flex-shrink: 0;
        }

        .section-header.center .section-eyebrow::after {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--gold);
            flex-shrink: 0;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-text {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .section-dark .section-text {
            color: rgba(255, 255, 255, 0.68);
        }

        /* ---------- 左文右图 ---------- */
        .split-block {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 64px;
            align-items: center;
        }

        .split-copy h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .split-copy h2 .gold-text {
            color: var(--gold-dark);
        }

        .split-copy > p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .split-list {
            list-style: none;
            margin-bottom: 32px;
        }

        .split-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 7px 0;
            font-size: 15px;
            color: var(--text-main);
        }

        .split-list li::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--gold);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .split-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            line-height: 0;
        }

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

        /* ---------- 按钮 ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--gold);
            color: #161A19;
        }

        .btn-primary:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.45);
            color: #fff;
        }

        .btn-outline-light:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
        }

        .btn-outline-light:active {
            transform: translateY(0);
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold-dark);
            transition: color var(--transition), gap var(--transition);
        }

        .text-link:hover {
            color: var(--text-main);
            gap: 10px;
        }

        /* ---------- 内容卡片（不对称） ---------- */
        .content-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
            align-items: stretch;
        }

        .content-card-large {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px;
            position: relative;
            transition: all var(--transition);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .content-card-large::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gold);
            opacity: 0;
            transition: opacity var(--transition);
        }

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

        .content-card-large:hover::before {
            opacity: 1;
        }

        .content-card-large .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            background: rgba(199, 164, 107, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--gold-dark);
            margin-bottom: 20px;
        }

        .content-card-large h3 {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .content-card-large p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .content-card-large .card-meta {
            margin-top: auto;
            padding-top: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .content-card-small {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            position: relative;
            transition: all var(--transition);
            overflow: hidden;
        }

        .content-card-small::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gold);
            opacity: 0;
            transition: opacity var(--transition);
        }

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

        .content-card-small:hover::before {
            opacity: 1;
        }

        .content-card-small .card-icon {
            width: 36px;
            height: 36px;
            border-radius: 6px;
            background: rgba(199, 164, 107, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: var(--gold-dark);
            margin-bottom: 14px;
        }

        .content-card-small h3 {
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .content-card-small p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ---------- 数据指标 ---------- */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stats-card {
            text-align: center;
            padding: 36px 16px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            transition: all var(--transition);
        }

        .stats-card:hover {
            border-color: rgba(199, 164, 107, 0.4);
            background: rgba(255, 255, 255, 0.05);
            transform: translateY(-2px);
        }

        .stats-number {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--gold);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stats-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        /* ---------- 时间线 ---------- */
        .timeline {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
            padding: 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 23px;
            top: 8px;
            bottom: 8px;
            width: 1px;
            background: var(--border-dark);
        }

        .timeline-item {
            position: relative;
            padding: 0 0 40px 80px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: 15px;
            top: 6px;
            width: 17px;
            height: 17px;
            border-radius: 50%;
            background: var(--gold);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--gold);
        }

        .timeline-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 28px;
            transition: all var(--transition);
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(199, 164, 107, 0.4);
        }

        .timeline-step {
            font-size: 12px;
            font-weight: 600;
            color: var(--gold-dark);
            letter-spacing: 0.06em;
            margin-bottom: 6px;
        }

        .timeline-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .timeline-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ---------- FAQ ---------- */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item.active {
            border-left: 4px solid var(--gold);
            background: #F1EEE6;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: transparent;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
            gap: 16px;
        }

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

        .faq-icon {
            width: 20px;
            height: 20px;
            position: relative;
            flex-shrink: 0;
            transition: transform var(--transition);
        }

        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--text-muted);
            transition: background var(--transition);
        }

        .faq-icon::before {
            top: 9px;
            left: 2px;
            width: 16px;
            height: 2px;
        }

        .faq-icon::after {
            top: 2px;
            left: 9px;
            width: 2px;
            height: 16px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item.active .faq-icon::before,
        .faq-item.active .faq-icon::after {
            background: var(--gold);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
        }

        .faq-answer p {
            font-size: 14px;
            color: #3A403A;
            line-height: 1.8;
            padding-bottom: 20px;
        }

        .faq-more-link {
            text-align: center;
            margin-top: 32px;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            background: linear-gradient(135deg, rgba(47, 74, 67, 0.95) 0%, rgba(22, 26, 25, 0.98) 100%), url('/assets/images/backpic/back-1.png') center/cover;
            padding: 80px 0;
            text-align: center;
        }

        .cta-title {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .cta-text {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

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

        /* ---------- 页脚 ---------- */
        .site-footer {
            background: var(--bg-dark);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 22px;
        }

        .footer-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.8;
            margin-top: 16px;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--gold);
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: #C4C0B2;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--gold);
        }

        .footer-contact {
            list-style: none;
        }

        .footer-contact li {
            font-size: 14px;
            color: #C4C0B2;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact li i {
            color: var(--gold);
            width: 16px;
            font-size: 12px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: #8B8F82;
        }

        /* ---------- 浮动 CTA ---------- */
        .floating-cta {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-dark);
            border: 1px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 20px;
            z-index: 90;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }

        .floating-cta.visible {
            opacity: 1;
            visibility: visible;
        }

        .floating-cta:hover {
            background: var(--gold);
            color: var(--bg-dark);
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(199, 164, 107, 0.35);
        }

        .floating-cta:active {
            transform: translateY(0);
        }

        /* ---------- 动效 ---------- */
        .fade-up {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .split-block {
                gap: 40px;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            nav.nav-links {
                display: none !important;
            }
            .menu-toggle {
                display: flex;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .split-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cat-hero h1 {
                font-size: 32px;
            }
            .cat-hero {
                min-height: auto;
            }
            .section-title {
                font-size: 24px;
            }
            .split-copy h2 {
                font-size: 24px;
            }
            .split-media img {
                height: 280px;
            }
            .timeline-item {
                padding-left: 60px;
            }
            .timeline::before {
                left: 15px;
            }
            .timeline-dot {
                left: 7px;
            }
            .content-card-large {
                padding: 24px;
            }
            .content-card-small {
                padding: 20px;
            }
        }

        @media (max-width: 576px) {
            .topbar-socials {
                display: none;
            }
            .topbar-inner,
            .header-inner,
            .cat-hero-content {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-cta {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .floating-cta {
                bottom: 20px;
                right: 20px;
                width: 48px;
                height: 48px;
                font-size: 16px;
            }
            .btn {
                padding: 10px 22px;
                font-size: 13px;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .timeline-item {
                padding-left: 48px;
                padding-bottom: 32px;
            }
            .timeline::before {
                left: 11px;
            }
            .timeline-dot {
                left: 3px;
                width: 16px;
                height: 16px;
            }
            .timeline-card {
                padding: 20px;
            }
        }