/* roulang page: index */
:root {
  --primary: #121F1A;
  --primary-dark: #0A1512;
  --accent: #E8B54D;
  --accent-dark: #D19E33;
  --secondary: #3E8E7E;
  --bg-warm: #F5F4EF;
  --bg-dark: #0E1613;
  --bg-card: #FFFFFF;
  --text-main: #1C2420;
  --text-sub: #4A5550;
  --text-weak: #7A817D;
  --text-light: #F5F4EF;
  --border: #EAE6DC;
  --border-strong: #D8D4C8;
  --radius: 12px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 8px rgba(18,31,26,0.06);
  --shadow-hover: 0 8px 24px rgba(18,31,26,0.12);
  --shadow-nav: 2px 0 12px rgba(0,0,0,0.08);
  --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --sidebar-w: 240px;
  --space: 4px;
  --space-sm: 24px;
  --space-md: 40px;
  --space-lg: 64px;
  --space-xl: 96px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  background: var(--bg-warm);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; color: var(--text-main); }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 40px); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: all .2s ease;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #1A2410;
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(209,158,51,0.3);
}
.btn-outline {
  background: transparent;
  border-color: rgba(245,244,239,0.6);
  color: var(--text-light);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn-block { width: 100%; }
.btn:focus-visible, .nav-link:focus-visible, .faq-question:focus-visible, .menu-toggle:focus-visible {
  outline: 3px solid var(--secondary);
  outline-offset: 2px;
}
/* 左侧导航 */
.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--bg-dark);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  transition: transform .3s ease;
  box-shadow: var(--shadow-nav);
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px 28px;
  border-bottom: 1px solid rgba(245,244,239,0.12);
}
.brand-mark { width: 40px; height: 40px; flex-shrink: 0; }
.brand-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: .02em;
  line-height: 1.3;
}
.sidebar-nav { flex: 1; padding: 20px 12px; overflow-y: auto; }
.nav-section-label {
  font-size: 12px;
  color: rgba(245,244,239,0.4);
  font-weight: 500;
  letter-spacing: .04em;
  padding: 8px 12px;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  margin-bottom: 4px;
  border-radius: var(--radius-btn);
  color: rgba(245,244,239,0.72);
  font-size: 15px;
  font-weight: 500;
  transition: all .2s ease;
  border-left: 3px solid transparent;
}
.nav-link svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-link:hover {
  background: rgba(245,244,239,0.07);
  color: var(--text-light);
}
.nav-link.active {
  background: rgba(232,181,77,0.1);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}
.sidebar-footer { padding: 16px 20px; }
.vip-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-btn);
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #1A2410;
  font-size: 14px;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease;
}
.vip-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(232,181,77,0.35);
}
/* 移动端顶栏 */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--bg-dark);
  z-index: 1100;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.menu-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  border-radius: var(--radius-btn);
}
.menu-toggle:hover { background: rgba(245,244,239,0.08); }
.menu-toggle svg { width: 22px; height: 22px; }
.mobile-brand {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-light);
  flex: 1;
  letter-spacing: .02em;
}
.mobile-contact {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  padding: 8px 14px;
  border: 1px solid rgba(232,181,77,0.5);
  border-radius: var(--radius-pill);
}
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 1050;
  backdrop-filter: blur(2px);
}
.drawer-overlay.show { display: block; }
.drawer-close {
  display: none;
  position: absolute;
  top: 18px;
  right: 14px;
  width: 32px;
  height: 32px;
  color: rgba(245,244,239,0.6);
  font-size: 24px;
  line-height: 1;
  border-radius: 6px;
}
.drawer-close:hover { color: var(--accent); background: rgba(245,244,239,0.08); }
/* 主内容 */
.main-wrapper { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }
.main-content { flex: 1; }
.section { padding: 80px 0; }
.section.alt { background: var(--bg-card); }
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.section-header h2 {
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  position: relative;
}
.section-header p {
  color: var(--text-sub);
  max-width: 640px;
  font-size: 15px;
}
.section-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-sub);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  transition: all .2s ease;
  background: var(--bg-card);
  white-space: nowrap;
}
.section-link:hover { border-color: var(--accent); color: var(--accent); transform: translateX(2px); }
/* Hero */
.hero {
  background:
    linear-gradient(120deg, rgba(14,22,19,0.96) 0%, rgba(18,31,26,0.82) 60%, rgba(14,22,19,0.9) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid var(--accent);
}
.hero::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(rgba(232,181,77,0.12) 1px, transparent 1px), linear-gradient(90deg, rgba(232,181,77,0.12) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
  min-height: 580px;
  padding: 64px clamp(16px, 4vw, 40px);
  position: relative;
  z-index: 1;
}
.hero-copy { padding: 24px 0; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--accent);
  background: rgba(232,181,77,0.12);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-light);
  letter-spacing: .01em;
  margin-bottom: 20px;
  max-width: 560px;
}
.hero-sub {
  font-size: 17px;
  color: rgba(245,244,239,0.75);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 22px;
  border-top: 3px solid var(--accent);
  box-shadow: var(--shadow-card);
  transition: transform .2s ease, box-shadow .2s ease;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.stat-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F0EAD6;
  color: var(--accent-dark);
  border-radius: 50%;
  margin-bottom: 14px;
}
.stat-icon svg { width: 20px; height: 20px; }
.stat-num {
  font-size: 28px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  color: var(--primary);
}
.stat-label { font-size: 13px; color: var(--text-sub); margin-top: 4px; }
.stat-trend {
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--secondary);
  background: rgba(62,142,126,0.1);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}
.stat-trend.down { color: var(--accent-dark); background: rgba(232,181,77,0.12); }
/* 最新资讯 */
.latest { padding-bottom: 40px; }
.cms-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
  display: flex;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: box-shadow .25s ease, transform .25s ease;
}
.news-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.news-thumb { flex-shrink: 0; width: 120px; height: 80px; border-radius: 8px; overflow: hidden; background: #E5E3DB; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.news-item:hover .news-thumb img { transform: scale(1.05); }
.news-body { display: flex; flex-direction: column; justify-content: center; min-width: 0; flex: 1; }
.news-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-title a { color: var(--text-main); }
.news-title a:hover { color: var(--accent-dark); }
.news-summary {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}
.news-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.news-cat {
  font-size: 12px;
  font-weight: 600;
  color: #7A5A1A;
  background: rgba(232,181,77,0.15);
  border: 1px solid rgba(232,181,77,0.4);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
}
.news-date { font-size: 13px; color: var(--text-weak); font-variant-numeric: tabular-nums; }
.news-arrow { margin-left: auto; color: var(--text-weak); transition: transform .2s ease, color .2s ease; }
.news-arrow svg { width: 18px; height: 18px; }
.news-item:hover .news-arrow { transform: translateX(4px); color: var(--accent-dark); }
.empty-state {
  text-align: center;
  padding: 56px 20px;
  background: var(--bg-card);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  color: var(--text-weak);
}
.empty-state svg { width: 64px; height: 64px; margin: 0 auto 16px; opacity: .6; }
.empty-state p { font-size: 16px; }
/* 服务矩阵 */
.services-grid {
  display: grid;
  grid-template-columns: 0.6fr 0.6fr 1fr;
  gap: 24px;
  align-items: stretch;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .25s ease, transform .25s ease;
  display: flex;
  flex-direction: column;
}
.service-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.service-media { height: 160px; overflow: hidden; }
.service-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.service-card:hover .service-media img { transform: scale(1.06); }
.service-card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.service-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: #F0EAD6; color: var(--accent-dark);
  border-radius: 10px; margin-bottom: 16px;
}
.service-icon svg { width: 22px; height: 22px; }
.service-card-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.service-card-body p { font-size: 14px; color: var(--text-sub); line-height: 1.7; flex: 1; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-top: 18px;
  transition: color .2s ease, gap .2s ease;
}
.service-link:hover { color: var(--accent-dark); gap: 10px; }
.service-link svg { width: 16px; height: 16px; }
.service-wide {
  background: var(--bg-dark);
  color: var(--text-light);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  border-top: 3px solid var(--accent);
}
.wide-header { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.wide-header .service-icon { background: rgba(232,181,77,0.15); color: var(--accent); }
.wide-header h3 { font-size: 20px; font-weight: 700; }
.range-list { flex: 1; display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }
.range-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(245,244,239,0.82);
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(245,244,239,0.1);
}
.range-list li:last-child { border-bottom: none; }
.range-tag {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: var(--accent);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  min-width: 52px;
  text-align: center;
}
.service-wide .btn {
  background: var(--accent);
  color: #1A2410;
}
.service-wide .btn:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}
/* 结果对比 */
.results-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}
.results-table-wrap { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 16px; overflow-x: auto; }
.results-table { width: 100%; min-width: 520px; border-collapse: collapse; }
.results-table th {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-weak);
  text-align: left;
  padding: 16px 12px;
  border-bottom: 1px solid var(--border);
}
.results-table td {
  padding: 16px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.results-table tbody tr { transition: background .2s ease; }
.results-table tbody tr:hover { background: rgba(232,181,77,0.05); }
.results-table tbody tr:last-child td { border-bottom: none; }
.results-table tbody tr.highlight {
  background: rgba(232,181,77,0.08);
  border-left: 3px solid var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}
.results-table tbody tr.highlight:hover { background: rgba(232,181,77,0.12); }
.bar { width: 100%; height: 8px; background: #EAE6DC; border-radius: 4px; overflow: hidden; min-width: 80px; }
.bar span { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--primary), var(--secondary)); }
tr.highlight .bar span { background: linear-gradient(90deg, var(--accent-dark), var(--accent)); }
.results-summary { display: flex; flex-direction: column; gap: 20px; }
.results-summary img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}
.results-summary h3 { font-size: 18px; font-weight: 700; }
.results-summary ul { display: flex; flex-direction: column; gap: 10px; }
.results-summary li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-sub);
}
.results-summary li::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--secondary);
  flex-shrink: 0;
}
.summary-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.summary-tags span {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--bg-warm);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
}
/* FAQ */
.faq-section { background: var(--bg-card); }
.faq-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.faq-intro .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
  background: rgba(232,181,77,0.12);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}
.faq-intro h2 { font-size: clamp(22px, 2.5vw, 32px); font-weight: 700; margin-bottom: 16px; }
.faq-intro p { color: var(--text-sub); font-size: 15px; margin-bottom: 32px; }
.contact-card {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.contact-card strong { font-size: 16px; display: block; margin-bottom: 8px; }
.contact-card p { font-size: 14px; margin-bottom: 8px; }
.contact-card a { font-size: 14px; color: var(--accent-dark); font-weight: 600; }
.contact-card a:hover { text-decoration: underline; }
.faq-list { display: flex; flex-direction: column; gap: 16px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  transition: background .3s ease;
}
.faq-item.open { background: var(--bg-warm); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  gap: 16px;
}
.faq-icon { position: relative; width: 22px; height: 22px; flex-shrink: 0; }
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--accent-dark);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.faq-icon::before { width: 14px; height: 2px; top: 10px; left: 4px; }
.faq-icon::after { width: 2px; height: 14px; top: 4px; left: 10px; }
.faq-item.open .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p {
  padding: 0 24px 22px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
}
/* CTA 表单 */
.cta-section {
  background:
    linear-gradient(rgba(14,22,19,0.93), rgba(14,22,19,0.93)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  position: relative;
}
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.cta-copy .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(232,181,77,0.12);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}
.cta-copy h2 { font-size: clamp(22px, 2.5vw, 32px); font-weight: 700; color: var(--text-light); margin-bottom: 16px; }
.cta-copy > p { color: rgba(245,244,239,0.75); font-size: 15px; margin-bottom: 28px; max-width: 480px; }
.cta-points { display: flex; flex-direction: column; gap: 14px; }
.cta-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-light);
  font-size: 15px;
}
.cta-points svg { width: 20px; height: 20px; color: var(--secondary); flex-shrink: 0; }
.cta-form-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: 0 20px 48px rgba(0,0,0,0.3);
}
.service-form .form-title { font-size: 20px; font-weight: 700; margin-bottom: 24px; }
.service-form label { display: block; margin-bottom: 18px; }
.service-form label span {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}
.service-form input, .service-form select, .service-form textarea {
  width: 100%;
  height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-btn);
  padding: 0 16px;
  background: var(--bg-warm);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.service-form textarea { height: 100px; padding: 12px 16px; resize: vertical; }
.service-form select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234A5550' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}
.service-form input:focus, .service-form select:focus, .service-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,181,77,0.2);
  background-color: #fff;
}
.form-note { font-size: 12px; color: var(--text-weak); text-align: center; margin-top: 14px; line-height: 1.6; }
.submit-btn.success { background: var(--secondary); color: #fff; }
/* 页脚 */
.site-footer {
  background: var(--bg-dark);
  border-top: 3px solid var(--accent);
  color: rgba(245,244,239,0.8);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(245,244,239,0.1);
}
.footer-brand .brand-name { color: var(--text-light); display: block; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: rgba(245,244,239,0.6); line-height: 1.7; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social span {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(245,244,239,0.2);
  border-radius: var(--radius-btn);
  color: rgba(245,244,239,0.6);
  font-size: 14px;
  transition: all .2s ease;
}
.footer-social span:hover { color: var(--accent); border-color: var(--accent); }
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 14px; color: rgba(245,244,239,0.6); transition: color .2s ease, padding-left .2s ease; }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact p { font-size: 14px; color: rgba(245,244,239,0.6); margin-bottom: 10px; }
.footer-contact a { color: var(--accent); }
.footer-contact a:hover { text-decoration: underline; }
.footer-bottom {
  padding: 20px 0;
  font-size: 13px;
  color: rgba(245,244,239,0.4);
  text-align: center;
}
/* 响应式 */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .service-wide { grid-column: span 2; }
  .results-grid { grid-template-columns: 1.2fr 1fr; gap: 28px; }
}
@media (max-width: 768px) {
  .app-sidebar { transform: translateX(-100%); }
  .app-sidebar.open { transform: translateX(0); }
  .app-sidebar.open .drawer-close { display: flex; }
  .mobile-header { display: flex; }
  .main-wrapper { margin-left: 0; padding-top: 56px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; padding: 48px 20px; min-height: auto; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 64px 0; }
  .faq-grid { grid-template-columns: 1fr; }
  .cta-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 16px; }
  .stat-num { font-size: 22px; }
  .news-item { flex-direction: column; gap: 12px; }
  .news-thumb { width: 100%; height: 140px; }
  .hero-actions .btn { width: 100%; }
  .services-grid { grid-template-columns: 1fr; }
  .service-wide { grid-column: span 1; }
  .results-grid { grid-template-columns: 1fr; }
  .cta-form-card { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 15px; }
}

/* roulang page: article */
:root{
  --primary:#121F1A;
  --primary-dark:#0A1512;
  --accent:#E8B54D;
  --accent-dark:#D19E33;
  --secondary:#3E8E7E;
  --bg-main:#F5F4EF;
  --bg-dark:#0E1613;
  --bg-card:#FFFFFF;
  --text-primary:#1C2420;
  --text-secondary:#4A5550;
  --text-muted:#7A817D;
  --text-on-dark:#F5F4EF;
  --border:#EAE6DC;
  --radius:12px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow-sm:0 2px 8px rgba(18,31,26,.06);
  --shadow-md:0 8px 24px rgba(18,31,26,.12);
  --transition:.2s ease;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg-main);
  color:var(--text-primary);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}
.container{max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,40px)}
.main-wrapper{margin-left:240px;min-height:100vh;display:flex;flex-direction:column}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--radius-sm);font-size:15px;font-weight:700;
  border:none;cursor:pointer;transition:all .25s ease;text-decoration:none;line-height:1.4;
}
.btn:focus-visible{outline:3px solid var(--secondary);outline-offset:2px}
.btn-accent{background:var(--accent);color:var(--primary)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(232,181,77,.3)}
.btn-accent:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;color:var(--text-on-dark);border:2px solid rgba(245,244,239,.6)}
.btn-outline:hover{background:rgba(255,255,255,.08);border-color:#fff;transform:translateY(-2px)}

/* 侧边导航 */
.sidebar{
  position:fixed;top:0;left:0;width:240px;height:100vh;background:var(--bg-dark);
  color:var(--text-on-dark);display:flex;flex-direction:column;z-index:200;
  box-shadow:2px 0 12px rgba(0,0,0,.08);transition:transform .3s ease;
}
.sidebar-logo{
  display:flex;align-items:center;gap:10px;padding:24px 24px 20px;border-bottom:1px solid rgba(255,255,255,.08);
}
.sidebar-logo .brand-mark{flex-shrink:0}
.sidebar-logo .brand-name{font-size:18px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.sidebar-nav{padding:20px 0;flex:1;overflow-y:auto}
.nav-section-label{
  display:block;padding:8px 24px;font-size:12px;font-weight:600;letter-spacing:.08em;
  color:rgba(245,244,239,.4);text-transform:uppercase;
}
.nav-link{
  display:flex;align-items:center;gap:12px;padding:12px 24px;color:rgba(245,244,239,.72);
  font-size:15px;font-weight:500;border-left:3px solid transparent;transition:all .2s ease;
}
.nav-link svg{width:20px;height:20px;flex-shrink:0}
.nav-link:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-link.active{border-left-color:var(--accent);background:rgba(232,181,77,.1);color:#fff;font-weight:600}
.sidebar-vip{padding:20px 24px;border-top:1px solid rgba(255,255,255,.08)}
.vip-link{
  display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;
  background:rgba(232,181,77,.15);border:1px solid rgba(232,181,77,.35);border-radius:var(--radius-sm);
  color:var(--accent);font-size:14px;font-weight:700;transition:all .25s ease;
}
.vip-link:hover{background:rgba(232,181,77,.25);transform:translateY(-2px)}

/* 移动端顶部 */
.mobile-header{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;background:var(--bg-dark);
  z-index:300;align-items:center;justify-content:space-between;padding:0 16px;
  box-shadow:0 2px 8px rgba(0,0,0,.12);
}
.hamburger{
  background:none;border:none;color:var(--text-on-dark);width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);
}
.hamburger:hover{background:rgba(255,255,255,.08)}
.mobile-logo{font-size:17px;font-weight:800;color:var(--text-on-dark)}
.mobile-cta{
  color:var(--accent);font-size:13px;font-weight:700;padding:6px 14px;border:1px solid rgba(232,181,77,.4);
  border-radius:var(--radius-pill);
}
.mobile-overlay{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.65);z-index:250;
  backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.mobile-overlay.show{display:block;opacity:1;pointer-events:auto}
@media (max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .mobile-header{display:flex}
  .main-wrapper{margin-left:0;padding-top:56px}
  .mobile-overlay.show{display:block}
}
@media (min-width:769px) and (max-width:1024px){
  .sidebar{width:80px}
  .sidebar-logo{padding:20px 12px;justify-content:center}
  .sidebar-logo .brand-name{display:none}
  .nav-section-label{display:none}
  .nav-link{justify-content:center;padding:14px 0;border-left:none;border-bottom:3px solid transparent}
  .nav-link span{display:none}
  .nav-link.active{border-left:none;border-bottom-color:var(--accent)}
  .sidebar-vip{padding:16px 12px}
  .vip-link span{display:none}
  .main-wrapper{margin-left:80px}
}

/* 面包屑 */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:28px 0 16px;
  font-size:13px;color:var(--text-muted);
}
.breadcrumb a{color:var(--secondary);transition:color .2s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--border)}
.breadcrumb .current{color:var(--text-secondary);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章卡片 */
.article-card{
  background:var(--bg-card);border-radius:16px;box-shadow:var(--shadow-sm);
  border-top:3px solid var(--accent);padding:clamp(24px,5vw,56px);margin-bottom:32px;
}
.article-header{margin-bottom:32px}
.article-category{
  display:inline-block;padding:5px 14px;background:rgba(232,181,77,.14);color:#8a6d1f;
  font-size:13px;font-weight:600;border-radius:var(--radius-pill);border:1px solid rgba(232,181,77,.32);
  margin-bottom:16px;
}
.article-header h1{
  font-size:clamp(28px,4vw,40px);font-weight:800;line-height:1.25;color:var(--text-primary);
  letter-spacing:-.01em;margin-bottom:16px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;
  font-size:13px;color:var(--text-muted);padding-bottom:20px;border-bottom:1px solid var(--border);
}
.article-meta .meta-dot{width:3px;height:3px;border-radius:50%;background:var(--border);display:inline-block}
.article-cover{
  width:100%;height:auto;border-radius:12px;box-shadow:var(--shadow-sm);
  margin-top:24px;object-fit:cover;max-height:480px;
}

/* 文章正文 */
.article-body{
  max-width:760px;margin:0 auto;font-size:17px;line-height:1.8;color:var(--text-primary);
}
.article-body p{margin:0 0 1.5em}
.article-body h2{
  font-size:22px;font-weight:700;line-height:1.4;border-left:4px solid var(--accent);
  padding-left:14px;margin:32px 0 16px;color:var(--text-primary);
}
.article-body h3{font-size:19px;font-weight:700;margin:28px 0 12px}
.article-body ul,.article-body ol{margin:0 0 1.5em 24px}
.article-body ul li{list-style:disc;margin-bottom:8px}
.article-body ol li{list-style:decimal;margin-bottom:8px}
.article-body a{color:var(--secondary);text-decoration:underline;text-underline-offset:3px}
.article-body blockquote{
  background:var(--bg-main);border-left:4px solid var(--accent);padding:16px 22px;
  border-radius:0 8px 8px 0;margin:24px 0;font-style:italic;color:var(--text-secondary);
}
.article-body img{border-radius:12px;box-shadow:var(--shadow-sm);margin:24px auto}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th{
  background:var(--bg-main);font-weight:700;text-align:left;padding:12px 16px;
  border-bottom:2px solid var(--border);color:var(--text-secondary);font-size:13px;
}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--border);line-height:1.6}
.article-body tr:hover td{background:rgba(232,181,77,.04)}

/* 标签 */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;
  padding-top:24px;border-top:1px solid var(--border);
}
.tags-label{font-size:14px;font-weight:600;color:var(--text-secondary)}
.tag{
  display:inline-block;padding:6px 14px;background:var(--bg-main);border:1px solid var(--border);
  border-radius:var(--radius-pill);font-size:13px;font-weight:500;color:var(--text-secondary);
  transition:all .2s ease;
}
.tag:hover{border-color:var(--accent);background:rgba(232,181,77,.1);color:var(--primary)}

/* 上一篇下一篇 */
.article-pager{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:64px;
}
.pager-card{
  display:flex;align-items:center;gap:16px;padding:24px;background:var(--bg-card);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--border);
  transition:all .25s ease;
}
.pager-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.pager-card.pager-next{flex-direction:row-reverse;text-align:right}
.pager-arrow{
  width:44px;height:44px;border-radius:50%;background:var(--bg-main);display:flex;
  align-items:center;justify-content:center;font-size:18px;color:var(--accent-dark);flex-shrink:0;
}
.pager-label{font-size:12px;font-weight:600;color:var(--text-muted);letter-spacing:.06em;display:block;margin-bottom:6px}
.pager-info h4{font-size:15px;font-weight:600;line-height:1.45;color:var(--text-primary)}

/* 相关推荐 */
.related-section{margin-bottom:64px}
.related-section .section-head{
  display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;
}
.related-section .section-head h2{font-size:clamp(22px,2.5vw,28px);font-weight:700;color:var(--text-primary)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related-card{
  background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow-sm);
  border:1px solid var(--border);overflow:hidden;transition:all .25s ease;display:flex;flex-direction:column;
}
.related-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.related-card img{width:100%;height:160px;object-fit:cover}
.related-body{padding:20px 22px 24px}
.related-body h3{font-size:16px;font-weight:700;line-height:1.4;margin-bottom:10px;color:var(--text-primary)}
.related-body p{font-size:14px;color:var(--text-secondary);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* CTA */
.cta-section{
  background:var(--bg-dark);border-radius:16px;padding:clamp(32px,6vw,64px);
  text-align:center;color:var(--text-on-dark);position:relative;overflow:hidden;
  margin-bottom:40px;
}
.cta-section::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent);
}
.cta-section h2{font-size:clamp(24px,3vw,32px);font-weight:800;margin-bottom:14px}
.cta-section p{font-size:16px;color:rgba(245,244,239,.75);max-width:560px;margin:0 auto 28px;line-height:1.7}

/* 空状态 */
.empty-state{
  text-align:center;padding:60px 20px;background:var(--bg-card);
  border-radius:16px;border:1px dashed var(--border);margin-bottom:40px;
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 16px;border-radius:50%;
  background:var(--bg-main);display:flex;align-items:center;justify-content:center;color:var(--text-muted);
}
.empty-state p{font-size:16px;color:var(--text-muted);margin-bottom:20px}
.empty-state .btn{display:inline-flex}

/* 页脚 */
.site-footer{
  background:var(--bg-dark);color:var(--text-on-dark);border-top:3px solid var(--accent);
  padding:56px 0 24px;margin-top:auto;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{font-size:14px;color:rgba(245,244,239,.6);line-height:1.7;margin-top:12px}
.footer-social{display:flex;gap:12px;margin-top:18px}
.footer-social span{
  width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;color:rgba(245,244,239,.7);
  cursor:pointer;transition:all .2s ease;
}
.footer-social span:hover{background:rgba(232,181,77,.2);color:var(--accent)}
.footer-col h4{
  font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text-on-dark);
  letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:rgba(245,244,239,.65)}
.footer-col ul li a{color:rgba(245,244,239,.65);transition:color .2s}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding-top:24px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(245,244,239,.45);
}

/* 响应式 */
@media (max-width:1024px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .article-pager{grid-template-columns:1fr}
  .pager-card.pager-next{flex-direction:row}
  .pager-card.pager-next .pager-arrow{order:1}
}
@media (max-width:520px){
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .article-card{padding:20px 16px;border-radius:12px}
  .article-header h1{font-size:26px}
  .article-meta{font-size:12px;gap:8px 12px}
  .article-body{font-size:16px}
  .breadcrumb{padding-top:20px;font-size:12px}
  .cta-section{padding:32px 20px}
  .cta-section p{font-size:15px}
  .btn{padding:11px 22px;font-size:14px}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* roulang page: category1 */
:root {
  --primary: #121F1A;
  --secondary: #E8B54D;
  --accent: #3E8E7E;
  --bg: #F5F4EF;
  --dark-bg: #0E1613;
  --card: #FFFFFF;
  --t1: #1C2420;
  --t2: #4A5550;
  --t3: #7A817D;
  --border: #EAE6DC;
  --radius: 12px;
  --radius-btn: 8px;
  --shadow: 0 2px 8px rgba(18,31,26,0.06);
  --shadow-hover: 0 8px 24px rgba(18,31,26,0.12);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--t1);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

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

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: 16px;
}

ul,
ol {
  list-style: none;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
}

/* ========== 侧边栏 ========== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 240px;
  background: var(--dark-bg);
  display: flex;
  flex-direction: column;
  z-index: 1001;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 28px 24px 16px;
}

.brand-mark {
  flex-shrink: 0;
}

.brand-name {
  font-size: 18px;
  font-weight: 800;
  color: #F5F4EF;
  white-space: nowrap;
}

.sidebar-close {
  display: none;
  background: transparent;
  border: none;
  color: #F5F4EF;
  font-size: 28px;
  line-height: 1;
  margin-left: auto;
  cursor: pointer;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-section-label {
  color: #6A7A73;
  font-size: 12px;
  letter-spacing: .08em;
  padding: 8px 12px 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  color: #A9B4AD;
  font-size: 15px;
  font-weight: 600;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-link:hover {
  color: #F5F4EF;
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: #F5F4EF;
  background: rgba(232, 181, 77, 0.12);
  box-shadow: inset 3px 0 0 var(--secondary);
}

.sidebar-footer {
  padding: 20px 24px 28px;
}

.vip-btn {
  display: block;
  text-align: center;
  padding: 12px 16px;
  background: linear-gradient(135deg, #E8B54D, #D19E33);
  border-radius: var(--radius-btn);
  color: #1C2420;
  font-weight: 800;
  font-size: 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.vip-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(232, 181, 77, 0.35);
}

/* ========== 移动端顶部 ========== */
.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  height: 56px;
  background: var(--dark-bg);
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.menu-toggle {
  background: transparent;
  border: none;
  color: #F5F4EF;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  cursor: pointer;
}

.m-brand {
  font-size: 17px;
  font-weight: 800;
  color: #F5F4EF;
  flex: 1;
}

.m-call {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
}

/* ========== 遮罩 ========== */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 1000;
}

.sidebar-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* ========== 主内容 ========== */
.main-shell {
  margin-left: 240px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-content {
  flex: 1;
}

/* ========== 分类 Hero ========== */
.cat-hero {
  position: relative;
  padding: 96px 0 72px;
  background-size: cover;
  background-position: center;
  background-color: var(--dark-bg);
}

.cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(14,22,19,0.95) 0%, rgba(14,22,19,0.78) 50%, rgba(14,22,19,0.45) 100%);
  z-index: 1;
}

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

.hero-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: rgba(232, 181, 77, 0.14);
  border: 1px solid rgba(232, 181, 77, 0.4);
  border-radius: 999px;
  color: #F5F4EF;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.hero-title {
  color: #F5F4EF;
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  margin-top: 20px;
}

.hero-subtitle {
  color: rgba(245, 244, 239, 0.85);
  font-size: 18px;
  margin-top: 16px;
}

.hero-desc {
  color: rgba(245, 244, 239, 0.7);
  font-size: 16px;
  line-height: 1.8;
  max-width: 640px;
  margin-top: 14px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
  background: var(--secondary);
  color: #1C2420;
}

.btn-primary:hover {
  background: #D19E33;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(232, 181, 77, 0.3);
}

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

.btn-outline {
  background: transparent;
  border: 1px solid rgba(245, 244, 239, 0.55);
  color: #F5F4EF;
}

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

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

/* ========== Hero 指标 ========== */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 620px;
  margin-top: 40px;
}

.stat-card {
  background: #FFFFFF;
  border-radius: var(--radius);
  border-top: 3px solid var(--secondary);
  padding: 20px;
  box-shadow: var(--shadow);
}

.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--t1);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.stat-label {
  font-size: 13px;
  color: var(--t3);
  margin-top: 6px;
}

.stat-change {
  display: inline-block;
  font-size: 12px;
  color: var(--accent);
  margin-top: 8px;
  font-weight: 600;
}

/* ========== 标签条 ========== */
.tag-strip {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.tag-scroll {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 16px 0;
  scrollbar-width: none;
}

.tag-scroll::-webkit-scrollbar {
  display: none;
}

.tag-pill {
  flex-shrink: 0;
  padding: 7px 16px;
  background: var(--card);
  border: 1px solid var(--secondary);
  border-radius: 999px;
  color: var(--t2);
  font-size: 13px;
  font-weight: 600;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.tag-pill:hover {
  background: var(--primary);
  color: #F5F4EF;
  transform: translateY(-1px);
}

/* ========== 通用板块 ========== */
.section {
  padding: 80px 0;
}

.section-muted {
  background: #EFEDE5;
}

.section-head {
  max-width: 780px;
  margin-bottom: 44px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.section-title {
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 800;
  color: var(--t1);
  margin-top: 8px;
  line-height: 1.3;
}

.section-desc {
  color: var(--t2);
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.75;
}

/* ========== 简介区 ========== */
.intro-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.intro-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.intro-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.intro-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(232, 181, 77, 0.92);
  color: #1C2420;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.intro-list {
  margin-top: 20px;
  display: grid;
  gap: 12px;
}

.intro-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--t2);
}

.intro-list li svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 4px;
}

/* ========== 服务卡 ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #F0EAD6;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-top: 18px;
  color: var(--t1);
}

.feature-card p {
  color: var(--t2);
  font-size: 14px;
  line-height: 1.7;
  margin-top: 10px;
}

/* ========== 场景区 ========== */
.scenes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.scene-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.scene-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--secondary);
  opacity: 0;
  transition: opacity 0.2s ease;
}

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

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

.scene-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(62, 142, 126, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.scene-icon svg {
  width: 22px;
  height: 22px;
}

.scene-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-top: 18px;
}

.scene-card p {
  font-size: 14px;
  color: var(--t2);
  line-height: 1.7;
  margin-top: 10px;
}

/* ========== 大图卡片墙 ========== */
.cover-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.cover-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  display: flex;
  flex-direction: column;
}

.cover-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.cover-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

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

.cover-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.cover-tag {
  align-self: flex-start;
  padding: 4px 12px;
  background: rgba(232, 181, 77, 0.14);
  border: 1px solid rgba(232, 181, 77, 0.45);
  color: #8A6A1E;
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
}

.cover-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-top: 12px;
}

.cover-body p {
  font-size: 14px;
  color: var(--t2);
  line-height: 1.7;
  margin-top: 10px;
  flex: 1;
}

.cover-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  margin-top: 16px;
  transition: color 0.2s ease;
}

.cover-link:hover {
  color: var(--secondary);
}

.cover-link svg {
  width: 16px;
  height: 16px;
}

/* ========== 流程 ========== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  box-shadow: var(--shadow);
}

.step-num {
  font-size: 32px;
  font-weight: 800;
  color: rgba(232, 181, 77, 0.45);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.step-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-top: 16px;
}

.step-card p {
  font-size: 14px;
  color: var(--t2);
  line-height: 1.7;
  margin-top: 10px;
}

/* ========== FAQ ========== */
.faq-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.6fr;
  gap: 48px;
  align-items: start;
}

.faq-side .section-head {
  margin-bottom: 20px;
}

.faq-help {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-top: 24px;
}

.faq-help h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--t1);
}

.faq-help p {
  font-size: 14px;
  color: var(--t2);
  margin-top: 8px;
}

.faq-help a {
  color: var(--accent);
  font-weight: 700;
}

.accordion-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: background 0.3s ease;
}

.faq-item.open {
  background: #F5F4EF;
}

.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  color: var(--t1);
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  font-size: 22px;
  transition: transform 0.3s ease;
}

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

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-a-inner {
  padding: 0 24px 20px;
  color: var(--t2);
  font-size: 15px;
  line-height: 1.75;
}

.faq-item.open .faq-a {
  max-height: 400px;
}

/* ========== 分类切换 ========== */
.switch-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  box-shadow: var(--shadow);
}

.switch-panel h3 {
  font-size: 18px;
  font-weight: 700;
}

.switch-panel p {
  font-size: 14px;
  color: var(--t2);
  margin-top: 4px;
}

.switch-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.switch-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--primary);
  color: #F5F4EF;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.2s ease;
}

.switch-tag:hover {
  background: var(--secondary);
  color: #1C2420;
  transform: translateY(-2px);
}

/* ========== CTA ========== */
.cta-section {
  padding: 32px 0 80px;
}

.cta-panel {
  position: relative;
  border-radius: 20px;
  padding: 64px 48px;
  background-size: cover;
  background-position: center;
  background-color: var(--dark-bg);
  text-align: center;
  overflow: hidden;
  border-top: 3px solid var(--secondary);
}

.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(14, 22, 19, 0.86);
}

.cta-panel > * {
  position: relative;
  z-index: 2;
}

.cta-panel h2 {
  color: #F5F4EF;
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 800;
  max-width: 680px;
  margin: 0 auto;
}

.cta-panel p {
  color: rgba(245, 244, 239, 0.75);
  font-size: 16px;
  line-height: 1.8;
  max-width: 560px;
  margin: 16px auto 0;
}

.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 28px;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--dark-bg);
  border-top: 3px solid var(--secondary);
  color: rgba(245, 244, 239, 0.65);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding: 64px 0 40px;
}

.footer-brand p {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.7;
  max-width: 260px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-social span {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(245, 244, 239, 0.7);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.footer-social span:hover {
  border-color: var(--secondary);
  color: var(--secondary);
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #F5F4EF;
  margin-bottom: 16px;
}

.footer-col ul {
  display: grid;
  gap: 10px;
}

.footer-col a {
  color: rgba(245, 244, 239, 0.65);
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--secondary);
}

.footer-col li {
  font-size: 14px;
  color: rgba(245, 244, 239, 0.65);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
}

.footer-bottom span,
.footer-bottom a {
  color: rgba(245, 244, 239, 0.45);
}

/* ========== 响应式 ========== */
@media (min-width: 769px) and (max-width: 1024px) {
  .sidebar {
    width: 80px;
  }

  .sidebar-brand {
    justify-content: center;
    padding: 24px 10px;
  }

  .sidebar .brand-name,
  .sidebar .nav-section-label,
  .sidebar .nav-label,
  .sidebar .vip-btn {
    display: none;
  }

  .sidebar-nav {
    padding: 12px 10px;
  }

  .nav-link {
    justify-content: center;
    padding: 14px 0;
  }

  .nav-link svg {
    width: 22px;
    height: 22px;
  }

  .sidebar-footer {
    padding: 16px;
  }

  .vip-btn::before {
    content: "VIP";
    font-size: 12px;
    font-weight: 800;
  }

  .main-shell {
    margin-left: 80px;
  }

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

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

@media (max-width: 768px) {
  .mobile-header {
    display: flex;
  }

  .sidebar {
    width: min(84vw, 320px);
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-brand {
    justify-content: flex-start;
    padding: 24px 20px 16px;
  }

  .sidebar .brand-name,
  .sidebar .nav-section-label,
  .sidebar .nav-label,
  .sidebar .vip-btn {
    display: block;
  }

  .sidebar-close {
    display: block;
  }

  .sidebar-nav {
    padding: 12px 16px;
  }

  .nav-link {
    justify-content: flex-start;
    padding: 13px 14px;
  }

  .sidebar-footer {
    padding: 16px 20px 24px;
  }

  .main-shell {
    margin-left: 0;
  }

  .cat-hero {
    padding: 56px 0 48px;
  }

  .section {
    padding: 56px 0;
  }

  .hero-stats {
    gap: 12px;
  }

  .hero-actions .btn {
    width: calc(50% - 7px);
    padding: 12px 10px;
    font-size: 14px;
  }

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

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

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

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

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

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

  .cta-panel {
    padding: 40px 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0 24px;
  }

  .switch-panel {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 8px;
  }

  .stat-card {
    flex: 0 0 160px;
    scroll-snap-align: start;
  }

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

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

/* roulang page: category2 */
:root {
    --primary: #121F1A;
    --primary-dark: #0A1512;
    --accent: #E8B54D;
    --accent-dark: #D19E33;
    --secondary: #3E8E7E;
    --bg-main: #F5F4EF;
    --bg-dark: #0E1613;
    --card-bg: #FFFFFF;
    --text-1: #1C2420;
    --text-2: #4A5550;
    --text-3: #7A817D;
    --text-light: #F5F4EF;
    --border: #EAE6DC;
    --border-accent: #E8B54D;
    --radius-lg: 12px;
    --radius-md: 8px;
    --radius-pill: 999px;
    --shadow-sm: 0 2px 8px rgba(18,31,26,0.06);
    --shadow-md: 0 8px 24px rgba(18,31,26,0.12);
    --sidebar-w: 240px;
    --sidebar-w-tablet: 80px;
    --mobile-header-h: 56px;
    --container-max: 1200px;
    --spacing-section: 88px;
    --transition: 0.2s ease;
    --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font-stack);
    background: var(--bg-main);
    color: var(--text-1);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

  a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
  }

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

  ul, ol {
    list-style: none;
  }

  button, input, select, textarea {
    font-family: inherit;
    font-size: 100%;
    border: none;
    outline: none;
  }

  .container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 40px);
  }

  /* 侧边栏 */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-w);
    background: var(--bg-dark);
    z-index: 100;
    display: flex;
    flex-direction: column;
    padding: 28px 20px 24px;
    border-right: 1px solid rgba(255,255,255,0.05);
    box-shadow: 2px 0 12px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
  }

  .sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 6px 26px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 20px;
  }

  .brand-mark {
    flex: none;
  }

  .brand-name {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-light);
    letter-spacing: 0.5px;
    line-height: 1.3;
  }

  .nav-section-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(245,244,239,0.45);
    padding: 8px 12px;
    margin-bottom: 6px;
  }

  .sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
  }

  .nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    color: rgba(245,244,239,0.7);
    font-size: 15px;
    font-weight: 500;
    line-height: 1.4;
    transition: background 0.2s ease, color 0.2s ease;
  }

  .nav-link svg {
    width: 20px;
    height: 20px;
    flex: none;
  }

  .nav-link:hover {
    background: rgba(255,255,255,0.06);
    color: var(--text-light);
  }

  .nav-link.active {
    background: rgba(232,181,77,0.12);
    color: var(--accent);
    box-shadow: inset 3px 0 0 var(--accent);
  }

  .sidebar-footer {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
  }

  .vip-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    background: rgba(232,181,77,0.12);
    color: var(--accent);
    font-size: 14px;
    font-weight: 600;
    border: 1px solid rgba(232,181,77,0.35);
    transition: background 0.2s ease, border-color 0.2s ease;
  }

  .vip-btn:hover {
    background: rgba(232,181,77,0.2);
    border-color: var(--accent);
  }

  .vip-btn svg {
    width: 16px;
    height: 16px;
  }

  /* 主内容区 */
  .main-wrapper {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  main {
    flex: 1;
  }

  /* 移动端顶栏 */
  .mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--mobile-header-h);
    background: var(--bg-dark);
    z-index: 90;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  }

  .mobile-header .burger-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    border-radius: 8px;
  }

  .mobile-header .burger-btn svg {
    width: 22px;
    height: 22px;
  }

  .mobile-header .brand-name {
    font-size: 16px;
    font-weight: 800;
    color: var(--text-light);
  }

  .mobile-header .mobile-action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    color: rgba(245,244,239,0.7);
    cursor: pointer;
    border-radius: 8px;
  }

  .mobile-header .mobile-action svg {
    width: 20px;
    height: 20px;
  }

  /* 遮罩 */
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    z-index: 95;
    backdrop-filter: blur(2px);
  }

  .sidebar-overlay.show {
    display: block;
  }

  /* 分类 Hero */
  .category-hero {
    position: relative;
    background: var(--bg-dark);
    background-image: url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    padding: 72px 0 64px;
    overflow: hidden;
  }

  .category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(14,22,19,0.94) 0%, rgba(14,22,19,0.78) 50%, rgba(14,22,19,0.55) 100%);
  }

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

  .hero-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(245,244,239,0.55);
    margin-bottom: 22px;
  }

  .hero-breadcrumb a {
    color: rgba(245,244,239,0.65);
  }

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

  .hero-breadcrumb .sep {
    color: rgba(245,244,239,0.35);
  }

  .category-hero h1 {
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-light);
    letter-spacing: 1px;
    margin-bottom: 18px;
  }

  .category-hero .hero-sub {
    max-width: 680px;
    font-size: 17px;
    line-height: 1.8;
    color: rgba(245,244,239,0.78);
    margin-bottom: 32px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
  }

  .btn svg {
    width: 18px;
    height: 18px;
  }

  .btn:hover {
    transform: translateY(-2px);
  }

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

  .btn:focus-visible {
    outline: 3px solid var(--secondary);
    outline-offset: 2px;
  }

  .btn-accent {
    background: var(--accent);
    color: var(--primary-dark);
  }

  .btn-accent:hover {
    background: var(--accent-dark);
    color: #0A1512;
    box-shadow: 0 8px 24px rgba(232,181,77,0.25);
  }

  .btn-outline-light {
    background: transparent;
    color: var(--text-light);
    border: 1px solid rgba(245,244,239,0.55);
  }

  .btn-outline-light:hover {
    border-color: var(--text-light);
    background: rgba(255,255,255,0.06);
  }

  .btn-dark {
    background: var(--primary);
    color: var(--text-light);
  }

  .btn-dark:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
  }

  .btn-light {
    background: var(--card-bg);
    color: var(--primary);
    border: 1px solid var(--border);
  }

  .btn-light:hover {
    border-color: var(--accent);
    color: var(--accent-dark);
    box-shadow: var(--shadow-sm);
  }

  /* 分类胶囊标签 */
  .tag-strip-section {
    background: var(--bg-main);
    padding: 28px 0;
    border-bottom: 1px solid var(--border);
  }

  .tag-strip {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
  }

  .tag-strip::-webkit-scrollbar {
    height: 4px;
  }

  .tag-strip::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: var(--radius-pill);
  }

  .tag-item {
    flex: none;
    padding: 7px 16px;
    border-radius: var(--radius-pill);
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text-2);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
  }

  .tag-item:hover {
    border-color: var(--accent);
    color: var(--primary);
  }

  .tag-item.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--text-light);
  }

  /* 分类说明卡 */
  .category-intro {
    padding: 64px 0 16px;
  }

  .intro-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 36px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
    border-top: 3px solid var(--accent);
  }

  .intro-card h2 {
    font-size: clamp(22px, 2.5vw, 30px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 14px;
    color: var(--text-1);
  }

  .intro-card p {
    color: var(--text-2);
    line-height: 1.8;
    margin-bottom: 14px;
  }

  .intro-score {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .score-item {
    background: var(--bg-main);
    border-radius: var(--radius-md);
    padding: 20px 18px;
    text-align: center;
    border: 1px solid var(--border);
  }

  .score-item .num {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
  }

  .score-item .num small {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-3);
  }

  .score-item .label {
    font-size: 13px;
    color: var(--text-3);
    margin-top: 4px;
  }

  /* 站点导航卡片墙 */
  .nav-wall {
    padding: var(--spacing-section) 0 32px;
  }

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

  .section-head h2 {
    font-size: clamp(22px, 2.5vw, 32px);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-1);
  }

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

  .section-head .lead {
    color: var(--text-3);
    font-size: 14px;
    max-width: 380px;
    line-height: 1.7;
  }

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

  .nav-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
    display: flex;
    flex-direction: column;
  }

  .nav-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }

  .nav-card .cover {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
  }

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

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

  .nav-card .cover-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(14,22,19,0.78);
    backdrop-filter: blur(4px);
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(232,181,77,0.35);
  }

  .nav-card .card-body {
    padding: 24px 26px 26px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .nav-card .card-body h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 10px;
    color: var(--text-1);
  }

  .nav-card .card-body p {
    font-size: 15px;
    color: var(--text-2);
    line-height: 1.75;
    flex: 1;
    margin-bottom: 18px;
  }

  .card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-3);
    margin-bottom: 18px;
    flex-wrap: wrap;
  }

  .card-meta .dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-3);
    opacity: 0.5;
  }

  .card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    transition: color 0.2s ease, gap 0.2s ease;
  }

  .card-link svg {
    width: 16px;
    height: 16px;
    transition: transform 0.2s ease;
  }

  .card-link:hover {
    color: var(--accent-dark);
    gap: 10px;
  }

  .card-link:hover svg {
    transform: translateX(3px);
  }

  /* 数据指标区 */
  .data-band {
    background: var(--bg-dark);
    padding: 72px 0;
    position: relative;
    overflow: hidden;
  }

  .data-band::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
  }

  .data-band .data-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .data-block {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 28px 22px;
    text-align: center;
    transition: background 0.2s ease, border-color 0.2s ease;
  }

  .data-block:hover {
    background: rgba(232,181,77,0.06);
    border-color: rgba(232,181,77,0.25);
  }

  .data-block .icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(232,181,77,0.12);
    color: var(--accent);
  }

  .data-block .icon svg {
    width: 22px;
    height: 22px;
  }

  .data-block .value {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-light);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
  }

  .data-block .value small {
    font-size: 15px;
    font-weight: 500;
    color: rgba(245,244,239,0.6);
  }

  .data-block .desc {
    font-size: 13px;
    color: rgba(245,244,239,0.5);
    margin-top: 6px;
  }

  /* 使用流程 */
  .process-section {
    padding: var(--spacing-section) 0;
  }

  .process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .process-step {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 32px 26px;
    position: relative;
    transition: box-shadow 0.25s ease;
  }

  .process-step:hover {
    box-shadow: var(--shadow-md);
  }

  .process-step .step-num {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 42px;
    font-weight: 800;
    color: rgba(232,181,77,0.15);
    line-height: 1;
    font-variant-numeric: tabular-nums;
  }

  .process-step .step-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--bg-main);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 18px;
  }

  .process-step .step-icon svg {
    width: 22px;
    height: 22px;
  }

  .process-step h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-1);
  }

  .process-step p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.75;
  }

  /* FAQ 区域 */
  .faq-section {
    padding: 0 0 var(--spacing-section);
  }

  .faq-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.4fr;
    gap: 48px;
    align-items: start;
  }

  .faq-left h2 {
    font-size: clamp(22px, 2.5vw, 30px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 14px;
  }

  .faq-left p {
    color: var(--text-2);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 24px;
  }

  .faq-left .contact-box {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 22px 24px;
    box-shadow: var(--shadow-sm);
  }

  .faq-left .contact-box strong {
    display: block;
    font-size: 16px;
    margin-bottom: 6px;
  }

  .faq-left .contact-box span {
    font-size: 14px;
    color: var(--text-3);
    line-height: 1.7;
  }

  .faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
  }

  .faq-item.active {
    box-shadow: var(--shadow-sm);
    background: var(--bg-main);
  }

  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 20px 24px;
    background: transparent;
    color: var(--text-1);
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    text-align: left;
    cursor: pointer;
  }

  .faq-question .faq-icon {
    position: relative;
    width: 22px;
    height: 22px;
    flex: none;
    color: var(--accent-dark);
  }

  .faq-question .faq-icon::before,
  .faq-question .faq-icon::after {
    content: '';
    position: absolute;
    background: currentColor;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .faq-question .faq-icon::before {
    width: 2px;
    height: 16px;
    top: 3px;
    left: 10px;
  }

  .faq-question .faq-icon::after {
    width: 16px;
    height: 2px;
    top: 10px;
    left: 3px;
  }

  .faq-item.active .faq-question .faq-icon::before {
    transform: rotate(90deg);
    opacity: 0;
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .faq-item.active .faq-answer {
    max-height: 300px;
  }

  .faq-answer p {
    padding: 0 24px 22px;
    font-size: 15px;
    color: var(--text-2);
    line-height: 1.8;
  }

  /* CTA 区 */
  .cta-section {
    padding: 0 0 var(--spacing-section);
  }

  .cta-card {
    background: var(--bg-dark);
    border-radius: 20px;
    padding: clamp(36px, 5vw, 64px);
    position: relative;
    overflow: hidden;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    text-align: center;
  }

  .cta-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(14,22,19,0.9);
  }

  .cta-card .cta-inner {
    position: relative;
    z-index: 2;
    max-width: 620px;
    margin: 0 auto;
  }

  .cta-card h2 {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 800;
    color: var(--text-light);
    line-height: 1.3;
    margin-bottom: 16px;
  }

  .cta-card p {
    font-size: 16px;
    color: rgba(245,244,239,0.7);
    line-height: 1.8;
    margin-bottom: 30px;
  }

  .cta-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
  }

  /* 其他分类切换 */
  .switch-section {
    padding: 0 0 var(--spacing-section);
  }

  .switch-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    flex-wrap: wrap;
    box-shadow: var(--shadow-sm);
  }

  .switch-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-1);
    margin-bottom: 4px;
  }

  .switch-card p {
    font-size: 14px;
    color: var(--text-3);
  }

  .switch-card .switch-btns {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
  }

  /* 页脚 */
  .site-footer {
    background: var(--bg-dark);
    border-top: 3px solid var(--accent);
    padding: 64px 0 32px;
    margin-left: 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
  }

  .footer-brand .brand-name {
    display: block;
    margin-bottom: 14px;
    color: var(--text-light);
  }

  .footer-brand .brand-mark {
    margin-bottom: 12px;
  }

  .footer-brand p {
    color: rgba(245,244,239,0.55);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 18px;
    max-width: 260px;
  }

  .footer-social {
    display: flex;
    gap: 10px;
  }

  .footer-social span {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(245,244,239,0.65);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  }

  .footer-social span:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(232,181,77,0.1);
  }

  .footer-col h4 {
    color: var(--text-light);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 18px;
  }

  .footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer-col ul li a {
    color: rgba(245,244,239,0.55);
    font-size: 14px;
    transition: color 0.2s ease, padding-left 0.2s ease;
  }

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

  .footer-contact p {
    color: rgba(245,244,239,0.55);
    font-size: 14px;
    line-height: 1.9;
    margin-bottom: 8px;
  }

  .footer-contact p strong {
    color: rgba(245,244,239,0.85);
    font-weight: 600;
  }

  .copyright {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    color: rgba(245,244,239,0.4);
    font-size: 13px;
  }

  .copyright a {
    color: rgba(245,244,239,0.4);
  }

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

  /* 响应式 */
  @media (max-width: 1024px) {
    .sidebar {
      width: var(--sidebar-w-tablet);
      padding: 24px 12px;
    }

    .sidebar .brand-name {
      display: none;
    }

    .sidebar-brand {
      justify-content: center;
      padding: 0 0 20px;
    }

    .nav-section-label {
      text-align: center;
      padding: 8px 0;
      font-size: 11px;
    }

    .nav-link {
      justify-content: center;
      padding: 12px 10px;
    }

    .nav-link span {
      display: none;
    }

    .vip-btn span {
      display: none;
    }

    .vip-btn {
      padding: 12px;
    }

    .main-wrapper {
      margin-left: var(--sidebar-w-tablet);
    }

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

  @media (max-width: 768px) {
    .sidebar {
      transform: translateX(-100%);
      width: min(84vw, 320px);
      box-shadow: none;
    }

    .sidebar.open {
      transform: translateX(0);
      box-shadow: 4px 0 24px rgba(0,0,0,0.3);
    }

    .sidebar .brand-name {
      display: block;
    }

    .sidebar-brand {
      justify-content: flex-start;
      padding: 0 6px 26px;
    }

    .nav-section-label {
      text-align: left;
      padding: 8px 12px;
    }

    .nav-link {
      justify-content: flex-start;
      padding: 12px 14px;
    }

    .nav-link span {
      display: inline;
    }

    .vip-btn span {
      display: inline;
    }

    .vip-btn {
      padding: 12px 16px;
    }

    .main-wrapper {
      margin-left: 0;
      padding-top: var(--mobile-header-h);
    }

    .mobile-header {
      display: flex;
    }

    .category-hero {
      padding: 48px 0;
    }

    .category-hero h1 {
      font-size: 28px;
    }

    .intro-card {
      grid-template-columns: 1fr;
      padding: 26px;
    }

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

    .data-band .data-grid {
      grid-template-columns: 1fr 1fr;
    }

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

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

    .cta-card {
      padding: 36px 24px;
    }

    .switch-card {
      flex-direction: column;
      align-items: flex-start;
    }

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

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

  @media (max-width: 480px) {
    .hero-actions {
      flex-direction: column;
      width: 100%;
    }

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

    .data-band .data-grid {
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .data-block {
      padding: 20px 14px;
    }

    .data-block .value {
      font-size: 24px;
    }

    .data-block .icon {
      width: 36px;
      height: 36px;
      margin-bottom: 10px;
    }

    .nav-card .card-body {
      padding: 20px;
    }

    .cta-actions {
      flex-direction: column;
      width: 100%;
    }

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