/* roulang page: index */
:root {
  --color-primary: #14555A;
  --color-primary-deep: #0E3A3E;
  --color-secondary: #C89B3C;
  --color-secondary-soft: #E7DDC3;
  --color-bg: #F7F5F0;
  --color-surface: #FFFFFF;
  --color-text: #202A2C;
  --color-text-sub: #6B777A;
  --color-line: #E4E0D6;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --shadow-card: 0 1px 2px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.04);
  --shadow-card-hover: 0 2px 4px rgba(0,0,0,0.06), 0 12px 28px rgba(0,0,0,0.09);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif; background: var(--color-bg); color: var(--color-text); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; object-fit: cover; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.container { max-width: 80rem; margin-left: auto; margin-right: auto; padding-left: 1rem; padding-right: 1rem; }
@media (min-width: 768px) { .container { padding-left: 1.5rem; padding-right: 1.5rem; } }
@media (min-width: 1024px) { .container { padding-left: 2rem; padding-right: 2rem; } }

/* 顶部信息条 */
.top-bar { background: var(--color-primary-deep); color: rgba(255,255,255,0.85); font-size: 13px; height: 40px; display: flex; align-items: center; }
.top-bar-inner { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.top-bar-domain { letter-spacing: 0.02em; opacity: 0.9; }
.top-bar-links { display: flex; align-items: center; gap: 1.2rem; }
.top-bar-link { color: rgba(255,255,255,0.85); transition: color 0.2s; padding: 4px 2px; font-size: 13px; }
.top-bar-link:hover { color: var(--color-secondary); }

/* 导航 */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--color-surface); border-bottom: 1px solid var(--color-line); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; background: var(--color-primary); color: #fff; border-radius: 10px; font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.brand-text { font-size: 1.25rem; font-weight: 700; color: var(--color-primary); letter-spacing: 0.02em; }
.site-nav { display: flex; align-items: center; gap: 0.6rem; }
.nav-link { position: relative; padding: 8px 12px; font-size: 15px; font-weight: 500; color: var(--color-text); border-radius: 8px; transition: color 0.2s; }
.nav-link::after { content: ''; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px; background: var(--color-secondary); border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform 0.25s ease; }
.nav-link:hover { color: var(--color-primary); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--color-primary); font-weight: 600; }
.nav-cta { margin-left: 0.5rem; padding: 9px 20px; }
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; padding: 10px; background: none; border: 1px solid var(--color-line); border-radius: 10px; }
.nav-toggle span { display: block; height: 2px; background: var(--color-primary); border-radius: 2px; transition: all 0.3s ease; }
@media (max-width: 960px) {
  .site-header { position: relative; }
  .nav-toggle { display: flex; }
  .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-surface); flex-direction: column; align-items: stretch; padding: 12px 16px 20px; border-bottom: 1px solid var(--color-line); box-shadow: 0 12px 24px rgba(0,0,0,0.06); gap: 4px; }
  .site-nav.open { display: flex; }
  .nav-link { display: block; padding: 12px 16px; font-size: 16px; border-radius: 8px; }
  .nav-link::after { display: none; }
  .nav-link:hover, .nav-link.active { background: var(--color-secondary-soft); }
  .nav-cta { margin-left: 0; margin-top: 8px; text-align: center; }
}

/* 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 0.5rem; font-weight: 600; font-size: 15px; line-height: 1; padding: 12px 22px; border: 2px solid transparent; transition: all 0.22s ease; }
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-deep); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(20,85,90,0.22); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(20,85,90,0.18); }
.btn-outline:active { transform: translateY(0); }
.btn-gold { background: var(--color-secondary); color: var(--color-primary-deep); border-color: var(--color-secondary); }
.btn-gold:hover { background: #d9af50; border-color: #d9af50; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(200,155,60,0.35); }
.btn-lg { padding: 15px 32px; font-size: 16px; border-radius: 0.6rem; }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.btn-ghost-light:hover { border-color: #fff; background: rgba(255,255,255,0.06); }

/* Hero */
.hero { background: var(--color-bg); padding: 70px 0 80px; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -80px; right: -80px; width: 380px; height: 380px; border-radius: 50%; background: var(--color-secondary-soft); opacity: 0.4; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; position: relative; z-index: 1; }
.hero-content { max-width: 570px; }
.badge { display: inline-flex; align-items: center; background: var(--color-secondary-soft); color: var(--color-primary); font-size: 13px; font-weight: 600; padding: 6px 14px; border-radius: 50px; gap: 6px; margin-bottom: 20px; }
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--color-secondary); }
.hero h1 { font-size: 38px; font-weight: 800; line-height: 1.3; color: var(--color-text); letter-spacing: 0.01em; margin-bottom: 18px; }
.hero-sub { font-size: 17px; line-height: 1.8; color: var(--color-text-sub); margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-metrics { display: flex; gap: 2.2rem; flex-wrap: wrap; padding-top: 24px; border-top: 1px solid var(--color-line); }
.hero-metrics strong { display: block; font-size: 26px; font-weight: 800; color: var(--color-primary); }
.hero-metrics span { font-size: 13px; color: var(--color-text-sub); }
.hero-media { position: relative; max-width: 480px; margin-left: auto; }
.hero-img { width: 100%; border-radius: 1.25rem; box-shadow: var(--shadow-card); }
.hero-float-card { position: absolute; left: -24px; bottom: 30px; background: #fff; border-radius: 14px; padding: 14px 20px 14px 46px; box-shadow: 0 8px 28px rgba(0,0,0,0.10); min-width: 190px; }
.hero-float-card .card-title { display: block; font-weight: 700; color: var(--color-text); font-size: 15px; }
.hero-float-card .card-desc { display: block; font-size: 13px; color: var(--color-text-sub); margin-top: 2px; }
.hero-float-card .card-tag { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); background: var(--color-secondary); color: #fff; font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 20px; }
@media (max-width: 960px) {
  .hero { padding: 50px 0 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-content { max-width: 100%; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .hero-media { max-width: 100%; margin-left: 0; }
  .hero-float-card { left: 12px; bottom: 16px; }
}

/* 通用板块 */
.section { padding: 72px 0; }
.section-alt { background: var(--color-surface); border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 46px; }
.section-head h2 { font-size: 30px; font-weight: 800; color: var(--color-text); letter-spacing: 0.01em; margin-bottom: 12px; }
.section-head p { font-size: 15px; color: var(--color-text-sub); line-height: 1.7; }
@media (max-width: 768px) { .section { padding: 52px 0; } .section-head h2 { font-size: 24px; } .section-head { margin-bottom: 32px; } }

/* 权益对比表 */
.table-wrap { overflow-x: auto; border: 1px solid var(--color-line); border-radius: 1rem; background: var(--color-surface); box-shadow: var(--shadow-card); }
.compare-table { width: 100%; min-width: 720px; border-collapse: collapse; }
.compare-table th { background: var(--color-primary); color: #fff; font-size: 16px; font-weight: 600; padding: 18px 22px; text-align: center; }
.compare-table th:first-child { text-align: left; background: var(--color-primary-deep); }
.compare-table td { padding: 16px 22px; text-align: center; font-size: 15px; color: var(--color-text); border-bottom: 1px solid var(--color-line); }
.compare-table td:first-child { text-align: left; font-weight: 600; color: var(--color-primary); background: var(--color-secondary-soft); }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover td { background: rgba(231,221,195,0.25); }
.compare-table tr:hover td:first-child { background: rgba(231,221,195,0.6); }
.compare-table .recommend-row td { background: var(--color-primary); color: #fff; font-weight: 500; }
.compare-table .recommend-row td:first-child { background: var(--color-primary-deep); color: #fff; }
.compare-table .recommend-row:hover td { background: var(--color-primary); }
.compare-table .recommend-badge { display: inline-block; background: var(--color-secondary); color: #fff; font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 20px; margin-left: 6px; }
@media (max-width: 768px) {
  .compare-table th, .compare-table td { padding: 13px 14px; font-size: 14px; }
}

/* 等级时间轴 */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 0; }
.timeline-line { position: absolute; left: 22px; top: 0; bottom: 0; width: 3px; background: var(--color-secondary-soft); border-radius: 3px; }
.timeline-item { position: relative; display: flex; gap: 2.5rem; padding-left: 70px; margin-bottom: 28px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot { position: absolute; left: 14px; top: 30px; width: 16px; height: 16px; border-radius: 50%; background: var(--color-secondary); border: 3px solid #fff; box-shadow: 0 0 0 3px var(--color-secondary); }
.timeline-card { flex: 1; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: 1rem; padding: 28px 30px; box-shadow: var(--shadow-card); transition: box-shadow 0.25s ease, transform 0.25s ease; }
.timeline-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.timeline-card.recommend { background: var(--color-primary); color: #fff; border-color: transparent; }
.timeline-card.recommend .card-sub { color: rgba(255,255,255,0.75); }
.timeline-card.recommend .level-list li { color: rgba(255,255,255,0.92); }
.timeline-card.recommend .level-list li::before { color: var(--color-secondary); }
.timeline-card .level-name { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.timeline-card .level-icon { width: 32px; height: 32px; border: 2px solid var(--color-secondary); border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; }
.timeline-card.recommend .level-icon { border-color: var(--color-secondary); }
.timeline-card .card-sub { font-size: 14px; color: var(--color-text-sub); margin-bottom: 16px; }
.level-list { list-style: none; }
.level-list li { position: relative; padding-left: 22px; font-size: 15px; line-height: 1.8; color: var(--color-text); }
.level-list li::before { content: '◆'; position: absolute; left: 0; top: 0; font-size: 11px; color: var(--color-secondary); }
.level-condition { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--color-line); font-size: 13px; color: var(--color-text-sub); display: flex; align-items: center; gap: 8px; }
.timeline-card.recommend .level-condition { border-color: rgba(255,255,255,0.2); color: rgba(255,255,255,0.7); }
.rec-tag { display: inline-block; background: var(--color-secondary); color: #fff; font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 20px; }
@media (max-width: 768px) {
  .timeline-item { flex-direction: column; padding-left: 58px; }
  .timeline-card { padding: 22px 24px; }
}

/* 专属内容卡片 */
.content-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.content-card { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: 1rem; overflow: hidden; box-shadow: var(--shadow-card); transition: transform 0.25s ease, box-shadow 0.25s ease; display: flex; flex-direction: column; }
.content-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: var(--color-secondary); }
.card-media { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.card-media img { width: 100%; height: 100%; transition: transform 0.4s ease; }
.content-card:hover .card-media img { transform: scale(1.04); }
.card-label { position: absolute; left: 14px; top: 14px; background: rgba(20,85,90,0.9); color: #fff; font-size: 12px; padding: 4px 12px; border-radius: 20px; font-weight: 500; }
.card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; line-height: 1.5; }
.card-body p { font-size: 14px; color: var(--color-text-sub); line-height: 1.7; margin-bottom: 16px; }
.card-meta { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--color-text-sub); margin-bottom: 18px; }
.card-meta i { font-style: normal; background: var(--color-secondary-soft); color: var(--color-primary); padding: 2px 8px; border-radius: 6px; }
.btn-sm { display: inline-flex; align-items: center; justify-content: center; background: var(--color-primary); color: #fff; font-size: 14px; font-weight: 500; padding: 10px 18px; border-radius: 0.5rem; transition: background 0.2s; }
.btn-sm:hover { background: var(--color-primary-deep); }
.btn-sm-outline { display: inline-flex; align-items: center; justify-content: center; border: 1.5px solid var(--color-primary); color: var(--color-primary); font-size: 14px; font-weight: 500; padding: 9px 18px; border-radius: 0.5rem; background: transparent; transition: all 0.2s; }
.btn-sm-outline:hover { background: var(--color-primary); color: #fff; }
@media (max-width: 960px) { .content-cards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .content-cards { grid-template-columns: 1fr; } }

/* 最新信息 */
.news-grid { display: grid; grid-template-columns: 1fr 320px; gap: 36px; align-items: start; }
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item { display: flex; flex-direction: column; padding: 24px 0; border-bottom: 1px solid var(--color-line); }
.news-item:first-child { padding-top: 0; }
.news-tag { align-self: flex-start; background: var(--color-secondary-soft); color: var(--color-primary); font-size: 12px; font-weight: 600; padding: 2px 12px; border-radius: 20px; margin-bottom: 10px; }
.news-item h4 { font-size: 18px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; }
.news-item h4 a { color: var(--color-text); transition: color 0.2s; }
.news-item h4 a:hover { color: var(--color-primary); }
.news-item p { font-size: 14px; color: var(--color-text-sub); line-height: 1.7; margin-bottom: 12px; }
.news-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--color-text-sub); }
.news-more { color: var(--color-primary); font-weight: 600; transition: color 0.2s; }
.news-more:hover { color: var(--color-secondary); }
.news-side { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: 1rem; padding: 26px; box-shadow: var(--shadow-card); }
.news-side h3 { font-size: 17px; font-weight: 700; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--color-line); }
.news-side ul { list-style: none; }
.news-side li { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px dashed var(--color-line); font-size: 14px; }
.news-side li:last-child { border-bottom: none; }
.news-side li span { color: var(--color-text); font-weight: 500; }
.news-side li em { font-style: normal; background: var(--color-secondary-soft); color: var(--color-primary); font-size: 12px; padding: 1px 8px; border-radius: 12px; }
.news-empty { padding: 36px 20px; text-align: center; color: var(--color-text-sub); font-size: 15px; border: 1px dashed var(--color-line); border-radius: 0.75rem; background: var(--color-surface); }
@media (max-width: 960px) { .news-grid { grid-template-columns: 1fr; } }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item { border: 1px solid var(--color-line); border-radius: 0.75rem; background: var(--color-surface); overflow: hidden; transition: border-color 0.2s; }
.faq-item.open { border-color: var(--color-secondary); }
.faq-q { display: flex; justify-content: space-between; align-items: center; width: 100%; padding: 18px 22px; background: none; border: none; font-size: 15px; font-weight: 600; color: var(--color-text); text-align: left; transition: color 0.2s; }
.faq-q:hover { color: var(--color-primary); }
.faq-icon { position: relative; width: 18px; height: 18px; flex-shrink: 0; }
.faq-icon::before { content: ''; position: absolute; left: 1px; right: 1px; top: 8px; height: 2px; background: var(--color-secondary); border-radius: 2px; transition: all 0.25s; }
.faq-icon::after { content: ''; position: absolute; top: 1px; bottom: 1px; left: 8px; width: 2px; background: var(--color-secondary); border-radius: 2px; transition: transform 0.25s; }
.faq-item.open .faq-icon::after { transform: scaleY(0); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-item.open .faq-a { max-height: 400px; }
.faq-a-inner { padding: 0 22px 20px; color: var(--color-text-sub); font-size: 14px; line-height: 1.8; }

/* CTA 区块 */
.cta-section { background: var(--color-primary-deep); padding: 80px 0; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; right: -80px; top: -80px; width: 260px; height: 260px; border: 2px solid rgba(200,155,60,0.35); border-radius: 50%; }
.cta-section::after { content: ''; position: absolute; right: 40px; bottom: -100px; width: 200px; height: 200px; border: 2px solid rgba(255,255,255,0.08); border-radius: 50%; }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 2rem; position: relative; z-index: 1; }
.cta-text h2 { color: #fff; font-size: 30px; font-weight: 800; line-height: 1.35; margin-bottom: 12px; }
.cta-text p { color: rgba(255,255,255,0.75); font-size: 16px; line-height: 1.7; }
@media (max-width: 768px) {
  .cta-section { padding: 52px 0; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-text h2 { font-size: 24px; }
}

/* 页脚 */
.site-footer { background: var(--color-primary-deep); color: rgba(255,255,255,0.75); padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 3rem; padding-bottom: 48px; }
.footer-brand h4 { color: #fff; font-size: 20px; font-weight: 700; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.65); max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 18px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,0.7); transition: color 0.2s; }
.footer-col a:hover { color: var(--color-secondary); }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.7; }
.footer-contact li span { color: var(--color-secondary); font-weight: 600; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 12px; color: rgba(255,255,255,0.5); }
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: var(--color-secondary); }
@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* JS 相关 */
html:focus-within { scroll-behavior: smooth; }

/* roulang page: article */
:root {
            --color-primary: #14555A;
            --color-primary-deep: #0E3A3E;
            --color-secondary: #C89B3C;
            --color-secondary-soft: #E7DDC3;
            --color-bg: #F7F5F0;
            --color-surface: #FFFFFF;
            --color-text: #202A2C;
            --color-text-sub: #6B777A;
            --color-line: #E4E0D6;
            --radius-lg: 0.75rem;
            --radius-xl: 1rem;
            --radius-2xl: 1.25rem;
            --shadow-card: 0 1px 2px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 2px 4px rgba(0,0,0,0.06), 0 8px 24px rgba(0,0,0,0.08);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            font-size: 16px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--color-secondary);
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: var(--color-surface);
            border-bottom: 1px solid var(--color-line);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            position: relative;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
        }
        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: var(--color-primary);
            color: #fff;
            border-radius: 10px;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.02em;
        }
        .site-nav {
            display: none;
            align-items: center;
            gap: 1.5rem;
        }
        .site-nav .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            padding: 0.25rem 0.125rem;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .site-nav .nav-link::after {
            content: "";
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--color-secondary);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 0.25s ease;
        }
        .site-nav .nav-link:hover {
            color: var(--color-primary);
        }
        .site-nav .nav-link:hover::after,
        .site-nav .nav-link.active::after {
            transform: scaleX(1);
        }
        .site-nav .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-cta {
            margin-left: 0.5rem;
        }
        .nav-toggle {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            z-index: 60;
        }
        .nav-toggle span {
            width: 22px;
            height: 2px;
            background-color: var(--color-text);
            display: block;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        @media (min-width: 1024px) {
            .site-nav {
                display: flex;
            }
            .nav-toggle {
                display: none;
            }
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background-color: var(--color-surface);
            box-shadow: -4px 0 20px rgba(0,0,0,0.08);
            margin: 0;
            padding: 88px 1.5rem 2rem;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            z-index: 55;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer li {
            margin-bottom: 1rem;
        }
        .mobile-drawer a {
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            padding: 0.5rem 0;
            display: block;
            border-bottom: 1px solid var(--color-line);
        }
        .mobile-drawer a:hover {
            color: var(--color-primary);
        }
        .mobile-drawer .btn {
            margin-top: 1rem;
            text-align: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-size: 0.95rem;
            font-weight: 600;
            padding: 0.625rem 1.25rem;
            border-radius: 0.5rem;
            text-decoration: none;
            transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
            border: 2px solid transparent;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background-color: var(--color-primary-deep);
            color: #fff;
            box-shadow: 0 4px 12px rgba(20, 85, 90, 0.25);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            background-color: var(--color-secondary);
            color: #fff;
        }
        .btn-secondary:hover {
            background-color: #D8AC4E;
            color: #fff;
            box-shadow: 0 4px 12px rgba(200, 155, 60, 0.3);
        }
        .btn-secondary:active {
            transform: scale(0.98);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background-color: var(--color-primary);
            color: #fff;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .section {
            padding: 3.5rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 5rem 0;
            }
        }
        .section-divider {
            border-top: 1px solid var(--color-line);
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 1rem;
            letter-spacing: 0.01em;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 1.875rem;
            }
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-sub);
            margin-bottom: 2rem;
            max-width: 640px;
            line-height: 1.7;
        }

        .card {
            background-color: var(--color-surface);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            border: 1px solid var(--color-line);
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-secondary);
        }

        .badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.625rem;
            border-radius: 999px;
            background-color: var(--color-secondary-soft);
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }
        .badge-gold {
            background-color: var(--color-secondary);
            color: #fff;
        }

        .info-topbar {
            background-color: var(--color-primary-deep);
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.8rem;
            min-height: 36px;
            display: flex;
            align-items: center;
        }
        .info-topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            min-height: 36px;
        }
        .info-topbar a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            margin-left: 1rem;
            font-size: 0.8rem;
            transition: color 0.2s ease;
        }
        .info-topbar a:hover {
            color: var(--color-secondary);
        }

        .breadcrumb {
            padding-top: 1rem;
            font-size: 0.8rem;
            color: var(--color-text-sub);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.375rem;
        }
        .breadcrumb a {
            color: var(--color-primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--color-secondary);
        }
        .breadcrumb .sep {
            color: var(--color-line);
        }

        .article-meta {
            font-size: 0.875rem;
            color: var(--color-text-sub);
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--color-line);
        }

        .article-body {
            font-size: 1rem;
            line-height: 1.8;
        }
        .article-body h2 {
            font-size: 1.375rem;
            font-weight: 700;
            margin-bottom: 1rem;
            margin-top: 2.25rem;
            color: var(--color-text);
        }
        @media (min-width: 768px) {
            .article-body h2 {
                font-size: 1.5rem;
            }
        }
        .article-body h3 {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            margin-top: 1.75rem;
            color: var(--color-text);
        }
        .article-body p {
            margin-bottom: 1.25rem;
            line-height: 1.8;
        }
        .article-body blockquote {
            border-left: 4px solid var(--color-secondary);
            background-color: #F0EDE6;
            padding: 0.875rem 1.25rem;
            border-radius: 0 0.5rem 0.5rem 0;
            margin-bottom: 1.25rem;
            color: var(--color-text-sub);
            font-style: normal;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 1.25rem 0;
            padding-left: 1.25rem;
        }
        .article-body ul {
            list-style: disc;
        }
        .article-body ol {
            list-style: decimal;
        }
        .article-body li {
            margin-bottom: 0.5rem;
            line-height: 1.7;
        }
        .article-body img {
            border-radius: var(--radius-xl);
            margin: 1.5rem 0;
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 2rem;
            padding-top: 1.25rem;
            border-top: 1px solid var(--color-line);
        }
        .tag-list a {
            background-color: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: 999px;
            padding: 0.375rem 0.875rem;
            font-size: 0.8rem;
            color: var(--color-text-sub);
            text-decoration: none;
            transition: all 0.2s ease;
        }
        .tag-list a:hover {
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .site-footer {
            background-color: var(--color-primary-deep);
            color: rgba(255, 255, 255, 0.7);
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding: 3rem 0 2rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            }
        }
        .footer-brand h4 {
            color: #fff;
            font-size: 1.125rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-brand p {
            font-size: 0.875rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.9375rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }
        .footer-col ul li {
            margin-bottom: 0.625rem;
            font-size: 0.875rem;
        }
        .footer-col a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--color-secondary);
        }
        .footer-contact li span {
            color: rgba(255, 255, 255, 0.45);
            display: inline-block;
            min-width: 3.5rem;
            margin-right: 0.5rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1rem 0 1.5rem;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: space-between;
            align-items: center;
        }
        .footer-bottom a {
            color: inherit;
            text-decoration: none;
        }

        @media (max-width: 1023px) {
            .mobile-drawer {
                display: block;
            }
        }
        @media (min-width: 1024px) {
            .mobile-drawer {
                display: none !important;
            }
        }

/* roulang page: category1 */
:root {
    --color-primary: #14555A;
    --color-primary-deep: #0E3A3E;
    --color-secondary: #C89B3C;
    --color-secondary-soft: #E7DDC3;
    --color-bg: #F7F5F0;
    --color-surface: #FFFFFF;
    --color-text: #202A2C;
    --color-text-sub: #6B777A;
    --color-line: #E4E0D6;
    --radius-card: 0.75rem;
    --radius-large: 1rem;
    --shadow-card: 0 1px 2px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.04);
    --shadow-card-hover: 0 4px 8px rgba(0,0,0,0.06), 0 12px 28px rgba(0,0,0,0.08);
  }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  a { text-decoration: none; color: inherit; }
  img { display: block; max-width: 100%; }
  button { font-family: inherit; cursor: pointer; border: none; background: none; }

  .container {
    max-width: 80rem;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }
  @media (min-width: 768px) {
    .container { padding-left: 1.5rem; padding-right: 1.5rem; }
  }
  @media (min-width: 1024px) {
    .container { padding-left: 2rem; padding-right: 2rem; }
  }

  /* 顶部信息条 */
  .topbar {
    background: var(--color-primary-deep);
    color: rgba(255,255,255,0.85);
    font-size: 0.8125rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
  }
  .topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .topbar-domain { letter-spacing: 0.02em; }
  .topbar-links { display: flex; gap: 1.25rem; }
  .topbar-links a {
    color: rgba(255,255,255,0.85);
    transition: color 0.2s;
    padding: 0.25rem 0.125rem;
  }
  .topbar-links a:hover { color: #fff; }
  @media (max-width: 520px) {
    .topbar-domain { display: none; }
    .topbar-links { margin-left: auto; }
  }

  /* 导航 */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,0.96);
    border-bottom: 1px solid var(--color-line);
    height: 4.25rem;
    box-shadow: 0 1px 0 rgba(0,0,0,0.02);
  }
  .nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 1rem;
  }
  .brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex-shrink: 0;
  }
  .brand-mark {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.5rem;
    background: var(--color-primary);
    color: #fff;
    font-size: 1.0625rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.06em;
  }
  .brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.01em;
  }
  .site-nav {
    display: flex;
    align-items: center;
    gap: 0.375rem;
  }
  .nav-link {
    font-size: 0.9375rem;
    color: var(--color-text);
    padding: 0.5rem 0.875rem;
    border-radius: 0.375rem;
    position: relative;
    transition: color 0.2s, background 0.2s;
    white-space: nowrap;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    left: 0.875rem;
    right: 0.875rem;
    bottom: 0.125rem;
    height: 2px;
    background: var(--color-secondary);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.25s ease;
  }
  .nav-link:hover { color: var(--color-primary); background: rgba(20,85,90,0.04); }
  .nav-link:hover::after,
  .nav-link.active::after { transform: scaleX(1); }
  .nav-link.active { color: var(--color-primary); font-weight: 600; }
  .nav-cta {
    margin-left: 0.625rem;
    font-weight: 600;
  }
  .nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 2.5rem;
    height: 2.5rem;
    align-items: center;
    border-radius: 0.375rem;
    transition: background 0.2s;
    z-index: 60;
  }
  .nav-toggle:hover { background: rgba(20,85,90,0.06); }
  .nav-toggle span {
    width: 1.25rem;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: transform 0.3s ease, width 0.3s ease;
  }
  @media (max-width: 767px) {
    .nav-toggle { display: flex; }
    .site-nav {
      position: fixed;
      top: 0;
      right: 0;
      width: 75%;
      max-width: 300px;
      height: 100vh;
      background: var(--color-surface);
      flex-direction: column;
      align-items: stretch;
      justify-content: flex-start;
      padding: 4.75rem 1.25rem 1.5rem;
      gap: 0.125rem;
      box-shadow: -8px 0 24px rgba(0,0,0,0.08);
      transform: translateX(105%);
      transition: transform 0.35s ease;
      z-index: 55;
      overflow-y: auto;
    }
    .site-nav.open { transform: translateX(0); }
    .nav-link {
      font-size: 1rem;
      padding: 0.75rem 0.875rem;
      border-radius: 0.375rem;
    }
    .nav-link::after { display: none; }
    .nav-cta { margin-left: 0; margin-top: 0.5rem; text-align: center; }
  }

  /* 面包屑 */
  .breadcrumb {
    font-size: 0.8125rem;
    color: var(--color-text-sub);
    padding: 0.875rem 0 0;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    flex-wrap: wrap;
  }
  .breadcrumb a { color: var(--color-text-sub); transition: color 0.2s; }
  .breadcrumb a:hover { color: var(--color-primary); }
  .breadcrumb .current { color: var(--color-primary); font-weight: 500; }
  @media (max-width: 520px) {
    .breadcrumb { font-size: 0.75rem; }
  }

  /* Hero 区域 */
  .category-hero {
    background: linear-gradient(135deg, rgba(20,85,90,0.03) 0%, rgba(200,155,60,0.04) 100%);
    border-bottom: 1px solid var(--color-line);
    padding: 3.5rem 0 4rem;
  }
  @media (max-width: 767px) {
    .category-hero { padding: 2rem 0 2.5rem; }
  }
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr 0.9fr;
    gap: 3rem;
    align-items: center;
  }
  @media (max-width: 767px) {
    .hero-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: var(--color-secondary-soft);
    color: var(--color-primary);
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    margin-bottom: 1rem;
  }
  .hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-secondary);
  }
  .category-hero h1 {
    font-size: 2.375rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: 0.01em;
  }
  @media (max-width: 767px) {
    .category-hero h1 { font-size: 1.875rem; }
  }
  .hero-desc {
    font-size: 1.0625rem;
    line-height: 1.85;
    color: var(--color-text-sub);
    margin-bottom: 1.75rem;
    max-width: 34rem;
  }
  .hero-actions { display: flex; gap: 0.875rem; flex-wrap: wrap; }
  .hero-image {
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    position: relative;
  }
  .hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 16 / 10;
    transition: transform 0.5s ease;
  }
  .hero-image:hover img { transform: scale(1.02); }
  .hero-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(14,58,62,0.15), transparent 60%);
    pointer-events: none;
  }

  /* 通用 section */
  .section { padding: 4rem 0; }
  @media (min-width: 768px) { .section { padding: 5rem 0; } }
  .section-alt { background: var(--color-surface); border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
  .section-head {
    text-align: center;
    margin-bottom: 2.75rem;
  }
  .section-head h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
    letter-spacing: 0.01em;
  }
  .section-head p {
    font-size: 1rem;
    color: var(--color-text-sub);
    max-width: 40rem;
    margin: 0 auto;
    line-height: 1.75;
  }
  @media (max-width: 767px) {
    .section-head h2 { font-size: 1.5rem; }
    .section-head p { font-size: 0.9375rem; }
  }

  /* 卡片网格 */
  .card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  @media (max-width: 1024px) {
    .card-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 640px) {
    .card-grid { grid-template-columns: 1fr; }
  }
  .content-card {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
  }
  .content-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-secondary);
  }
  .card-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: var(--color-secondary-soft);
  }
  .card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
  }
  .content-card:hover .card-media img { transform: scale(1.03); }
  .card-tag {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: rgba(255,255,255,0.95);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  }
  .card-body { padding: 1.25rem 1.5rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
  .card-body h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    transition: color 0.2s;
  }
  .content-card:hover .card-body h3 { color: var(--color-primary); }
  .card-body p {
    font-size: 0.9375rem;
    color: var(--color-text-sub);
    line-height: 1.7;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
  }
  .card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8125rem;
    color: var(--color-text-sub);
    border-top: 1px solid var(--color-line);
    padding-top: 0.75rem;
  }
  .card-link {
    color: var(--color-primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: color 0.2s, gap 0.2s;
  }
  .card-link:hover { color: var(--color-secondary); gap: 0.5rem; }

  /* 流程步骤 */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  @media (max-width: 767px) {
    .steps-grid { grid-template-columns: 1fr; gap: 1rem; }
  }
  .step-card {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-card);
    padding: 2rem 1.5rem;
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .step-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); }
  .step-number {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-size: 1.125rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    position: relative;
  }
  .step-number::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--color-secondary);
    opacity: 0.6;
  }
  .step-card h3 { font-size: 1.125rem; font-weight: 600; color: var(--color-text); margin-bottom: 0.5rem; }
  .step-card p { font-size: 0.9125rem; color: var(--color-text-sub); line-height: 1.7; }

  /* 最新动态列表 */
  .news-list {
    max-width: 50rem;
    margin: 0 auto;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-large);
    background: var(--color-surface);
    overflow: hidden;
    box-shadow: var(--shadow-card);
  }
  .news-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-line);
    transition: background 0.2s;
  }
  .news-item:last-child { border-bottom: none; }
  .news-item:hover { background: rgba(231,221,195,0.3); }
  .news-date {
    font-size: 0.8125rem;
    color: var(--color-text-sub);
    flex-shrink: 0;
    width: 5.5rem;
    white-space: nowrap;
  }
  .news-tag {
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--color-secondary-soft);
    color: var(--color-primary);
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    flex-shrink: 0;
  }
  .news-title {
    font-size: 0.9375rem;
    color: var(--color-text);
    transition: color 0.2s;
    flex: 1;
  }
  .news-item:hover .news-title { color: var(--color-primary); }
  @media (max-width: 640px) {
    .news-item { flex-wrap: wrap; gap: 0.5rem; padding: 0.875rem 1rem; }
    .news-date { width: auto; }
  }

  /* FAQ */
  .faq-list {
    max-width: 48rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  .faq-item {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
  }
  .faq-item.open { border-color: var(--color-secondary); box-shadow: var(--shadow-card); }
  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.125rem 1.375rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    transition: color 0.2s;
  }
  .faq-question:hover { color: var(--color-primary); }
  .faq-icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
    position: relative;
  }
  .faq-icon::before,
  .faq-icon::after {
    content: '';
    position: absolute;
    background: var(--color-secondary);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .faq-icon::before { width: 100%; height: 2px; top: 50%; left: 0; transform: translateY(-50%); }
  .faq-icon::after { width: 2px; height: 100%; left: 50%; top: 0; transform: translateX(-50%); }
  .faq-item.open .faq-icon::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.3s ease;
  }
  .faq-item.open .faq-answer { max-height: 300px; }
  .faq-answer p {
    padding: 0 1.375rem 1.25rem;
    font-size: 0.9375rem;
    color: var(--color-text-sub);
    line-height: 1.8;
  }

  /* CTA */
  .cta-section {
    background: var(--color-primary-deep);
    padding: 4rem 0;
    border-top: 1px solid rgba(200,155,60,0.35);
    position: relative;
    overflow: hidden;
  }
  .cta-section::before {
    content: '';
    position: absolute;
    top: -4rem;
    right: -4rem;
    width: 16rem;
    height: 16rem;
    border-radius: 50%;
    border: 2px solid rgba(200,155,60,0.25);
    pointer-events: none;
  }
  .cta-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 44rem;
    margin: 0 auto;
  }
  .cta-inner h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
    line-height: 1.3;
  }
  .cta-inner p {
    font-size: 1rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 2rem;
    line-height: 1.8;
  }
  @media (max-width: 767px) {
    .cta-inner h2 { font-size: 1.5rem; }
    .cta-inner p { font-size: 0.9375rem; }
  }

  /* 按钮 */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 0.75rem 1.625rem;
    border-radius: 0.5rem;
    transition: all 0.25s ease;
    border: 1px solid transparent;
    text-align: center;
    cursor: pointer;
    white-space: nowrap;
  }
  .btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
  .btn-primary { background: var(--color-primary); color: #fff; }
  .btn-primary:hover { background: #10535a; transform: translateY(-1px); box-shadow: 0 6px 16px rgba(20,85,90,0.28); }
  .btn-primary:active { transform: translateY(0); box-shadow: none; }
  .btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
  .btn-outline:hover { background: rgba(20,85,90,0.06); transform: translateY(-1px); }
  .btn-gold { background: var(--color-secondary); color: #fff; font-weight: 600; }
  .btn-gold:hover { background: #d8ab4e; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(200,155,60,0.4); }
  .btn-gold:active { transform: translateY(0); box-shadow: none; }
  @media (max-width: 520px) {
    .btn { width: 100%; }
  }

  /* 页脚 */
  .site-footer {
    background: var(--color-primary-deep);
    color: rgba(255,255,255,0.75);
    padding: 3.5rem 0 1.5rem;
    font-size: 0.875rem;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
  }
  @media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; gap: 1.75rem; }
  }
  .footer-brand h4 {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: #fff;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.875rem;
  }
  .footer-brand p { color: rgba(255,255,255,0.6); line-height: 1.8; max-width: 20rem; }
  .footer-col h4 {
    color: #fff;
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 1rem;
  }
  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
  .footer-col ul li a { color: rgba(255,255,255,0.6); transition: color 0.2s; }
  .footer-col ul li a:hover { color: var(--color-secondary); }
  .footer-contact li { color: rgba(255,255,255,0.6); line-height: 1.7; }
  .footer-contact li span { color: rgba(255,255,255,0.4); margin-right: 0.375rem; }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.12);
    padding-top: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.4);
  }
  @media (max-width: 640px) {
    .footer-bottom { flex-direction: column; text-align: center; }
  }

  /* 通用状态 */
  a, button, .btn { -webkit-tap-highlight-color: transparent; }
  .section + .section { border-top: 1px solid var(--color-line); }