/* roulang page: index */
:root {
  --color-primary: #0C4A3E;
  --color-primary-light: #2E8B74;
  --color-accent: #C9992E;
  --color-bg: #F7F4EF;
  --color-surface: #FFFFFF;
  --color-text: #1C1917;
  --color-text-secondary: #6B645C;
  --color-border: #E7E2DA;
  --color-deep: #06281F;
  --radius-lg: 1.25rem;
  --radius-md: 0.875rem;
  --radius-sm: 0.625rem;
  --shadow-card: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
  --shadow-hover: 0 4px 12px rgba(0,0,0,.08), 0 12px 32px rgba(0,0,0,.08);
  --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select { font: inherit; }
.container-mk {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
/* Top bar */
.topbar {
  background: var(--color-deep);
  color: rgba(255,255,255,0.8);
  font-size: 13px;
  height: 36px;
  display: flex;
  align-items: center;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}
.topbar a { color: rgba(255,255,255,0.85); transition: color 0.2s; }
.topbar a:hover { color: #fff; }
.topbar .topbar-contact { display: flex; align-items: center; gap: 8px; }
.topbar .topbar-extra { display: flex; align-items: center; gap: 16px; }
/* Header */
.main-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  height: 72px;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo { display: flex; align-items: center; gap: 4px; }
.logo-mark { font-size: 1.5rem; font-weight: 800; color: var(--color-primary); }
.logo-text { font-size: 0.875rem; color: var(--color-text-secondary); letter-spacing: 2px; font-weight: 500; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  padding: 8px 0;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--color-primary); }
.nav-link.active { color: var(--color-primary); font-weight: 600; }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}
.nav-btn { padding: 10px 24px; font-size: 14px; }
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text);
  padding: 4px;
}
/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: #fff;
  z-index: 100;
  padding: 24px;
  display: none;
  flex-direction: column;
}
.mobile-menu.open { display: flex; }
.mobile-menu-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.mobile-menu-close { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--color-text); }
.mobile-menu-links { list-style: none; padding: 0; margin: 0; }
.mobile-menu-links li { margin-bottom: 8px; }
.mobile-menu-links a { display: block; font-size: 20px; font-weight: 600; color: var(--color-text); padding: 12px 0; border-bottom: 1px solid var(--color-border); }
.mobile-menu-footer { margin-top: auto; font-size: 14px; color: var(--color-text-secondary); }
/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(12,74,62,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(12,74,62,0.35);
  filter: brightness(1.05);
}
.btn-primary:active { transform: translateY(1px); box-shadow: 0 2px 6px rgba(12,74,62,0.25); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 30px;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-secondary:hover { background: rgba(12,74,62,0.08); }
.btn-secondary:active { background: rgba(12,74,62,0.12); }
.btn-sm { padding: 10px 24px; font-size: 14px; }
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.nav-link:focus-visible,
.form-input:focus-visible,
.form-select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
/* Hero */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  padding: 88px 0 96px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}
.hero-content { position: relative; z-index: 1; }
.hero h1 {
  font-size: 3rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 780px;
  margin: 0 0 24px;
}
.hero-subtitle {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.9);
  max-width: 600px;
  margin: 0 0 36px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-actions .btn-primary { background: #fff; color: var(--color-primary); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.hero-actions .btn-primary:hover { filter: brightness(0.98); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.hero-actions .btn-secondary { border-color: rgba(255,255,255,0.8); color: #fff; }
.hero-actions .btn-secondary:hover { background: rgba(255,255,255,0.12); }
.hero-badges {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  background: rgba(0,0,0,0.18);
  border-radius: 1.25rem;
  padding: 28px 36px;
  backdrop-filter: blur(6px);
}
.badge-item { text-align: center; border-right: 1px solid rgba(255,255,255,0.2); padding: 4px 0; }
.badge-item:last-child { border-right: none; }
.badge-number {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}
.badge-label { font-size: 14px; color: rgba(255,255,255,0.8); margin-top: 8px; }
/* Sections */
.section { padding: 96px 0; }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-title { font-size: 2.25rem; font-weight: 700; line-height: 1.2; color: var(--color-text); margin: 0 0 16px; }
.section-subtitle { font-size: 1rem; color: var(--color-text-secondary); line-height: 1.7; margin: 0; }
/* Highlight cards */
.highlight-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.highlight-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.highlight-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.highlight-icon {
  width: 48px; height: 48px;
  border-radius: 0.75rem;
  background: rgba(12,74,62,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.highlight-icon svg { width: 24px; height: 24px; stroke: var(--color-primary); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.highlight-title { font-size: 1.25rem; font-weight: 700; margin: 0 0 12px; }
.highlight-desc { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; margin: 0; }
/* Agenda timeline */
.agenda-section { background: var(--color-bg); }
.timeline { max-width: 860px; margin: 0 auto; }
.timeline-item {
  display: grid;
  grid-template-columns: 100px 40px 1fr;
  gap: 12px;
  margin-bottom: 32px;
}
.timeline-time { text-align: right; font-size: 14px; color: var(--color-text-secondary); padding-top: 10px; }
.timeline-track { position: relative; display: flex; justify-content: center; }
.timeline-track::before {
  content: '';
  position: absolute;
  top: 0; bottom: -32px;
  width: 2px;
  background: rgba(12,74,62,0.12);
}
.timeline-item:last-child .timeline-track::before { display: none; }
.timeline-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(201,153,46,0.2);
  margin-top: 12px;
  z-index: 1;
}
.timeline-content {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.timeline-content:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); border-left: 3px solid var(--color-primary); }
.timeline-title { font-size: 1.125rem; font-weight: 600; margin: 0 0 8px; }
.timeline-desc { font-size: 14px; color: var(--color-text-secondary); margin: 0; }
/* Speakers */
.speakers-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.speaker-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.speaker-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.speaker-avatar {
  width: 88px; height: 88px;
  border-radius: 50%;
  background: rgba(12,74,62,0.08);
  border: 3px solid rgba(12,74,62,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 auto 16px;
}
.speaker-name { font-size: 1.125rem; font-weight: 600; margin: 0 0 4px; }
.speaker-role { font-size: 13px; font-weight: 500; color: var(--color-primary); margin: 0 0 8px; }
.speaker-bio { font-size: 14px; color: var(--color-text-secondary); margin: 0; }
/* Tickets */
.tickets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
  max-width: 1060px;
  margin: 0 auto;
}
.ticket-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 1.25rem;
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}
.ticket-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.ticket-recommended {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  border: none;
  transform: scale(1.02);
}
.ticket-recommended:hover { transform: scale(1.02) translateY(-4px); }
.ticket-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 999px;
  white-space: nowrap;
}
.ticket-name { font-size: 1.125rem; font-weight: 700; margin: 0 0 8px; text-align: center; }
.ticket-price { font-size: 2.75rem; font-weight: 800; text-align: center; margin: 16px 0 4px; line-height: 1; font-variant-numeric: tabular-nums; }
.ticket-original-price { font-size: 14px; color: var(--color-text-secondary); text-align: center; text-decoration: line-through; margin: 0 0 24px; }
.ticket-features { list-style: none; padding: 0; margin: 0 0 32px; flex-grow: 1; }
.ticket-feature { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; line-height: 1.6; padding: 6px 0; }
.ticket-feature-icon {
  flex-shrink: 0;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  margin-top: 2px;
}
.ticket-feature-icon.check { background: rgba(46,139,116,0.15); color: #2E8B74; }
.ticket-feature-icon.cross { background: rgba(156,163,175,0.15); color: #9CA3AF; }
.ticket-recommended .ticket-feature-icon.check { background: rgba(255,255,255,0.2); color: #fff; }
.ticket-recommended .ticket-feature-icon.cross { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.6); }
.ticket-recommended .ticket-original-price { color: rgba(255,255,255,0.65); }
.ticket-recommended .btn-primary { background: #fff; color: var(--color-primary); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.ticket-recommended .btn-primary:hover { filter: brightness(0.98); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.ticket-card .btn-secondary { border-color: var(--color-primary); }
/* Signup */
.signup-section {
  background: linear-gradient(135deg, var(--color-deep), var(--color-primary));
  color: #fff;
}
.signup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.signup-info h2 { font-size: 2.25rem; font-weight: 700; margin: 0 0 16px; line-height: 1.2; }
.signup-info p { font-size: 1rem; color: rgba(255,255,255,0.85); line-height: 1.7; margin: 0 0 24px; max-width: 460px; }
.signup-list { list-style: none; margin: 0; padding: 0; }
.signup-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; color: rgba(255,255,255,0.9); padding: 8px 0; }
.signup-list-icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: #fff;
  margin-top: 2px;
}
.signup-form {
  background: #fff;
  border-radius: 1.25rem;
  padding: 40px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 14px; font-weight: 500; color: var(--color-text); margin-bottom: 8px; }
.form-input,
.form-select {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border: 1px solid var(--color-border);
  border-radius: 0.625rem;
  font-size: 15px;
  color: var(--color-text);
  background: #fff;
  transition: var(--transition);
  appearance: auto;
}
.form-input::placeholder { color: #B0A9A0; }
.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(12,74,62,0.15);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: 12px; color: var(--color-text-secondary); margin-top: 16px; text-align: center; }
.form-success {
  display: none;
  color: #2E8B74;
  font-size: 14px;
  text-align: center;
  margin-top: 12px;
  font-weight: 500;
}
/* News */
.news-section { background: var(--color-bg); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.news-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.news-card-image { aspect-ratio: 16 / 9; overflow: hidden; background: rgba(12,74,62,0.06); }
.news-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-card:hover .news-card-image img { transform: scale(1.03); }
.news-card-body { padding: 20px 24px 24px; }
.news-tag {
  display: inline-block;
  background: rgba(12,74,62,0.1);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.news-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.45;
  margin: 0 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-summary {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0 0 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--color-text-secondary); }
.news-read-more { color: var(--color-primary); font-weight: 500; display: inline-flex; align-items: center; gap: 4px; transition: gap 0.2s; }
.news-read-more:hover { gap: 8px; }
.news-empty {
  text-align: center;
  padding: 48px;
  color: var(--color-text-secondary);
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
}
/* FAQ */
.faq-section { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 24px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-question:hover { color: var(--color-primary); }
.faq-icon { width: 20px; height: 20px; position: relative; flex-shrink: 0; }
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.3s;
}
.faq-icon::before { width: 2px; height: 16px; left: 9px; top: 2px; }
.faq-icon::after { width: 16px; height: 2px; left: 2px; top: 9px; }
.faq-item.open .faq-icon::before { transform: rotate(90deg); opacity: 0; }
.faq-item.open .faq-icon::after { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-item.open .faq-answer { max-height: 300px; padding-bottom: 24px; }
.faq-answer p { font-size: 15px; color: var(--color-text-secondary); line-height: 1.7; margin: 0; }
/* Final CTA */
.final-cta-section { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light)); color: #fff; text-align: center; padding: 80px 0; }
.final-cta-title { font-size: 2rem; font-weight: 800; margin: 0 0 16px; }
.final-cta-desc { font-size: 1rem; color: rgba(255,255,255,0.85); max-width: 600px; margin: 0 auto 32px; }
.final-cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.final-cta-actions .btn-primary { background: #fff; color: var(--color-primary); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.final-cta-actions .btn-primary:hover { filter: brightness(0.98); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.final-cta-actions .btn-secondary { border-color: rgba(255,255,255,0.8); color: #fff; }
.final-cta-actions .btn-secondary:hover { background: rgba(255,255,255,0.12); }
/* Footer */
.footer { background: var(--color-deep); color: rgba(255,255,255,0.7); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-brand { font-size: 1.25rem; font-weight: 800; color: #fff; margin: 0 0 16px; }
.footer-brand span { color: var(--color-accent); }
.footer-desc { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 280px; margin: 0; }
.footer-heading { font-size: 16px; font-weight: 600; color: #fff; margin: 0 0 16px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.7); transition: color 0.2s; }
.footer-links a:hover { color: var(--color-accent); }
.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-contact li { font-size: 14px; margin-bottom: 12px; display: flex; align-items: flex-start; gap: 8px; color: rgba(255,255,255,0.7); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}
/* Responsive */
@media (max-width: 1024px) {
  .speakers-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links, .nav-btn { display: none; }
  .mobile-menu-toggle { display: block; }
  .hero h1 { font-size: 2.25rem; }
  .hero-subtitle { font-size: 1.0625rem; }
  .hero-badges { grid-template-columns: repeat(2, 1fr); padding: 24px; gap: 16px; }
  .badge-item { border-right: none; }
  .badge-number { font-size: 2.25rem; }
  .highlight-grid { grid-template-columns: 1fr; }
  .tickets-grid { grid-template-columns: 1fr; }
  .ticket-recommended { order: -1; }
  .signup-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .section-title { font-size: 1.75rem; }
  .timeline-item { grid-template-columns: 70px 24px 1fr; gap: 8px; }
  .timeline-time { font-size: 13px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .speakers-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .container-mk { padding: 0 16px; }
  .hero { padding: 64px 0 72px; }
  .hero h1 { font-size: 1.875rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary { width: 100%; }
  .speakers-grid,
  .news-grid,
  .highlight-grid { grid-template-columns: 1fr; }
  .signup-form { padding: 28px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* roulang page: category1 */
:root {
            --color-primary: #0C4A3E;
            --color-primary-light: #2E8B74;
            --color-accent: #C9992E;
            --color-bg: #F7F4EF;
            --color-surface: #FFFFFF;
            --color-text: #1C1917;
            --color-text-secondary: #6B645C;
            --color-border: #E7E2DA;
            --color-dark: #06281F;
            --radius-lg: 1.25rem;
            --radius-md: 0.875rem;
            --shadow-card: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
            --shadow-hover: 0 4px 12px rgba(0,0,0,.08), 0 12px 32px rgba(0,0,0,.08);
            --transition: all .3s cubic-bezier(.4,0,.2,1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        button {
            border: none;
            background: none;
            cursor: pointer;
        }

        .container-mk {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ========== 顶部信息条 ========== */
        .topbar {
            background: var(--color-dark);
            color: rgba(255,255,255,.85);
            font-size: 13px;
            height: 36px;
            display: flex;
            align-items: center;
        }
        .topbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }
        .topbar-links a {
            color: rgba(255,255,255,.85);
            margin-left: 1.5rem;
            font-size: 13px;
        }
        .topbar-links a:hover {
            color: var(--color-accent);
        }
        @media (max-width: 768px) {
            .topbar-mid {
                display: none;
            }
            .topbar-links a {
                margin-left: 1rem;
            }
        }

        /* ========== 主导航 ========== */
        .main-header {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 0 rgba(0,0,0,.03);
        }
        .main-header.scrolled {
            box-shadow: 0 4px 16px rgba(0,0,0,.06);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-mark {
            font-size: 1.65rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -1px;
            line-height: 1;
        }
        .logo-text {
            font-size: .875rem;
            color: var(--color-text-secondary);
            letter-spacing: 4px;
            font-weight: 500;
            text-transform: uppercase;
            padding-top: 2px;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2.25rem;
            margin: 0;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: #444;
            position: relative;
            padding: 8px 0;
        }
        .nav-links a:hover {
            color: var(--color-primary);
        }
        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
            border-radius: 2px;
        }
        .nav-links a.active[href="#"] {
            cursor: default;
        }
        .nav-btn {
            padding: 10px 24px;
            font-size: 14px;
        }
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            color: var(--color-primary);
        }
        .mobile-menu-toggle:hover {
            background: rgba(12,74,62,.08);
        }
        @media (max-width: 768px) {
            .nav-links,
            .nav-btn {
                display: none !important;
            }
            .mobile-menu-toggle {
                display: flex;
            }
        }

        /* 移动端抽屉 */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: 0;
            width: 320px;
            max-width: 90vw;
            height: 100%;
            background: #fff;
            z-index: 999;
            box-shadow: -8px 0 30px rgba(0,0,0,.1);
            padding: 24px;
            transform: translateX(100%);
            transition: transform .35s cubic-bezier(.4,0,.2,1);
            overflow-y: auto;
        }
        .mobile-menu.open {
            transform: translateX(0);
        }
        .mobile-menu-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-bg);
            font-size: 20px;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .mobile-menu-close:hover {
            background: #e8e4de;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 0;
            font-size: 18px;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border);
        }
        .mobile-menu a.active {
            color: var(--color-primary);
            font-weight: 700;
        }
        .mobile-menu .btn-primary {
            display: block;
            text-align: center;
            margin-top: 24px;
            border-bottom: none;
        }

        /* ========== 按钮 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            font-weight: 600;
            border-radius: 999px;
            padding: 14px 32px;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(12,74,62,.25);
            gap: 8px;
        }
        .btn-primary:hover {
            filter: brightness(1.05);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(12,74,62,.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(12,74,62,.2);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            border-radius: 999px;
            padding: 14px 32px;
            font-size: 15px;
            border: 1px solid var(--color-primary);
            cursor: pointer;
            transition: var(--transition);
            gap: 8px;
        }
        .btn-secondary:hover {
            background: rgba(12,74,62,.08);
        }
        .btn-secondary:active {
            background: rgba(12,74,62,.14);
        }
        .btn-sm {
            padding: 10px 24px;
            font-size: 14px;
        }
        .btn-white {
            background: #fff;
            color: var(--color-primary);
        }
        .btn-white:hover {
            background: #f0f0f0;
        }

        /* ========== Hero ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-primary-light) 70%, #3ea88f 100%);
            color: #fff;
            padding: 72px 0 80px;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            background: rgba(255,255,255,.06);
            border-radius: 50%;
        }
        .page-hero-bg {
            position: absolute;
            right: 0;
            top: 0;
            width: 45%;
            height: 100%;
            opacity: .25;
            object-fit: cover;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(255,255,255,.15);
            border: 1px solid rgba(255,255,255,.2);
            border-radius: 999px;
            padding: 4px 16px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .page-hero h1 {
            font-size: 3rem;
            line-height: 1.15;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 18px;
        }
        .page-hero p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: rgba(255,255,255,.88);
            max-width: 620px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 56px 0 60px;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
        }

        /* ========== 通用板块 ========== */
        .section-pad {
            padding: 96px 0;
        }
        @media (max-width: 768px) {
            .section-pad {
                padding: 56px 0;
            }
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-head h2 {
            font-size: 2.3rem;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.25;
            letter-spacing: -0.5px;
        }
        .section-head p {
            margin-top: 16px;
            color: var(--color-text-secondary);
            font-size: 1.05rem;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-head .section-eyebrow {
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .section-head h2 {
                font-size: 1.65rem;
            }
        }

        /* ========== 卡片通用 ========== */
        .card-base {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: 32px;
            transition: var(--transition);
        }
        .card-base:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(12,74,62,.2);
        }

        /* ========== 栏目方向 ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .category-card {
            background: white;
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .4s;
        }
        .category-card:hover::before {
            transform: scaleX(1);
        }
        .category-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .category-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(12,74,62,.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 26px;
        }
        .category-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-text);
        }
        .category-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 992px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 精选资讯卡 ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }
        .feature-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .feature-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .feature-card:hover .feature-card-img img {
            transform: scale(1.05);
        }
        .feature-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .feature-tag {
            display: inline-block;
            background: rgba(12,74,62,.08);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            padding: 4px 12px;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .feature-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--color-text);
        }
        .feature-card-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .feature-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--color-border);
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .feature-meta a {
            color: var(--color-primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .feature-meta a:hover {
            gap: 8px;
            color: var(--color-primary-light);
        }
        @media (max-width: 992px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 数据徽章 ========== */
        .stats-section {
            background: var(--color-dark);
            color: #fff;
            padding: 72px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .stat-item {
            text-align: center;
            padding: 16px;
            border-left: 1px solid rgba(255,255,255,.12);
        }
        .stat-item:first-child {
            border-left: none;
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }
        .stat-label {
            margin-top: 8px;
            font-size: 14px;
            color: rgba(255,255,255,.7);
            letter-spacing: 1px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item {
                border-left: none;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        /* ========== 图文区块 ========== */
        .split-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .split-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .split-img img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .split-content h2 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .split-content p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .split-list {
            list-style: none;
            margin: 24px 0;
            padding: 0;
        }
        .split-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 8px 0;
            font-size: 15px;
            color: var(--color-text);
        }
        .split-list li svg {
            flex-shrink: 0;
            margin-top: 3px;
            color: var(--color-primary);
        }
        @media (max-width: 992px) {
            .split-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .split-img img {
                height: 260px;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 8px 0;
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
            padding: 20px 0;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            background: none;
            border: none;
            cursor: pointer;
            transition: color .2s;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(12,74,62,.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-primary);
            transition: transform .3s;
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .3s;
            padding: 0 32px 0 0;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding-bottom: 20px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            padding: 72px 0;
            border-radius: 0;
            color: #fff;
        }
        .cta-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .cta-inner h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255,255,255,.85);
            max-width: 540px;
            margin-bottom: 28px;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        @media (max-width: 768px) {
            .cta-inner h2 {
                font-size: 1.7rem;
            }
        }

        /* ========== 页脚 ========== */
        .footer {
            background: var(--color-dark);
            color: rgba(255,255,255,.85);
            padding-top: 64px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
        }
        .footer-brand span {
            font-size: .9rem;
            font-weight: 400;
            color: rgba(255,255,255,.6);
            margin-left: 6px;
            letter-spacing: 2px;
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255,255,255,.6);
            line-height: 1.8;
            margin-top: 14px;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255,255,255,.7);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            font-size: 14px;
            color: rgba(255,255,255,.7);
            margin-bottom: 10px;
            display: flex;
            gap: 8px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.08);
            padding: 20px 0;
            text-align: center;
            font-size: 12px;
            color: rgba(255,255,255,.4);
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ========== 订阅条 ========== */
        .subscribe-bar {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }
        .subscribe-bar h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-text);
        }
        .subscribe-bar p {
            color: var(--color-text-secondary);
            margin-top: 6px;
            font-size: 15px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            height: 48px;
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 0 18px;
            font-size: 15px;
            width: 280px;
            font-family: inherit;
            transition: border .2s, box-shadow .2s;
        }
        .subscribe-form input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(12,74,62,.12);
            outline: none;
        }
        @media (max-width: 768px) {
            .subscribe-bar {
                padding: 32px 24px;
            }
            .subscribe-form input {
                width: 100%;
            }
            .subscribe-form .btn-primary {
                width: 100%;
            }
        }

        /* 面包屑 */
        .breadcrumb {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .sep {
            opacity: .5;
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }

/* roulang page: article */
:root {
  --color-primary: #0C4A3E;
  --color-primary-light: #2E8B74;
  --color-accent: #C9992E;
  --color-bg: #F7F4EF;
  --color-surface: #FFFFFF;
  --color-text: #1C1917;
  --color-text-secondary: #6B645C;
  --color-border: #E7E2DA;
  --color-dark: #06281F;
  --radius-lg: 1.25rem;
  --radius-md: 0.875rem;
  --radius-sm: 0.625rem;
  --shadow-card: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
  --shadow-hover: 0 4px 12px rgba(0,0,0,.08), 0 12px 32px rgba(0,0,0,.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; }
a { text-decoration: none; color: inherit; transition: color .2s ease; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }

.container-mk {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* 顶部信息条 */
.topbar {
  background: var(--color-dark);
  height: 36px;
  color: rgba(255,255,255,.8);
  font-size: 13px;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 110;
}
.topbar .container-mk {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.topbar a {
  color: rgba(255,255,255,.8);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color .2s ease;
}
.topbar a:hover { color: var(--color-accent); }
.topbar .topbar-action { display: none; }
@media (min-width: 768px) {
  .topbar .topbar-action { display: inline-flex; }
}

/* 主导航 */
.main-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: 72px;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow .2s ease;
}
.main-header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,.06); }
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1.5rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}
.logo-mark {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.5px;
  line-height: 1;
}
.logo-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  letter-spacing: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin: 0;
  padding: 0;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  padding: 8px 2px;
  position: relative;
  transition: color .2s ease;
}
.nav-link:hover { color: var(--color-primary); }
.nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: 2px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 28px;
  border-radius: 999px;
  border: none;
  transition: all .25s ease;
  box-shadow: 0 2px 8px rgba(12,74,62,.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(12,74,62,.3);
  filter: brightness(1.05);
  color: #fff;
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.btn-sm { padding: 8px 20px; font-size: 14px; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 28px;
  border-radius: 999px;
  border: 1px solid var(--color-primary);
  transition: all .25s ease;
}
.btn-secondary:hover { background: rgba(12,74,62,.08); }
.btn-secondary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 28px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.6);
  transition: all .25s ease;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
  color: #fff;
}
.btn-outline-light:focus-visible {
  outline: 2px solid rgba(255,255,255,.8);
  outline-offset: 2px;
}

/* 移动端菜单 */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  padding: 6px;
  border-radius: 8px;
}
.mobile-menu-toggle:hover { color: var(--color-primary); }
.mobile-menu-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-surface);
  z-index: 300;
  padding: 1.5rem;
  flex-direction: column;
}
.mobile-menu.open { display: flex; }
.mobile-menu-close {
  align-self: flex-end;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-text);
  padding: 8px;
  border-radius: 8px;
}
.mobile-menu-close:hover { color: var(--color-primary); }
.mobile-nav-list { margin-top: 2rem; display: grid; gap: 0; }
.mobile-nav-link {
  font-size: 22px;
  font-weight: 600;
  padding: 1rem 0;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  transition: color .2s ease;
}
.mobile-nav-link:hover { color: var(--color-primary); }
.mobile-nav-link.active { color: var(--color-primary); }

/* 文章头部 Hero */
.article-hero {
  background: linear-gradient(135deg, rgba(6,40,31,.94), rgba(46,139,116,.9)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 56px 0 52px;
  color: #fff;
}
.breadcrumb {
  font-size: 14px;
  color: rgba(255,255,255,.7);
  margin-bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.breadcrumb a { color: rgba(255,255,255,.7); transition: color .2s ease; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb-sep { opacity: .45; }
.breadcrumb-current { color: rgba(255,255,255,.95); }

.article-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 22px;
  letter-spacing: -0.5px;
  color: #fff;
  max-width: 860px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  font-size: 14px;
  color: rgba(255,255,255,.82);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-category {
  background: rgba(255,255,255,.16);
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: #fff;
}

/* 正文区域 */
.article-section { padding: 64px 0 40px; }
.article-container { max-width: 900px; }

.article-body {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 48px 52px;
  box-shadow: var(--shadow-card);
  font-size: 17px;
  line-height: 1.85;
  color: var(--color-text);
  word-break: break-word;
}
.article-body h2 {
  font-size: 1.55rem;
  font-weight: 700;
  margin: 1.8em 0 .7em;
  color: var(--color-primary);
  line-height: 1.3;
}
.article-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1.5em 0 .6em;
  color: var(--color-text);
}
.article-body p { margin-bottom: 1.5em; }
.article-body a {
  color: var(--color-primary);
  border-bottom: 1px solid rgba(12,74,62,.3);
  transition: color .2s ease, border-color .2s ease;
}
.article-body a:hover { color: var(--color-accent); border-color: var(--color-accent); }
.article-body img {
  border-radius: .75rem;
  margin: 1.75em 0;
  height: auto;
}
.article-body figure { margin: 1.75em 0; }
.article-body figure figcaption {
  font-size: 13px;
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: 8px;
}
.article-body blockquote {
  border-left: 3px solid var(--color-primary);
  background: rgba(12,74,62,.05);
  padding: 18px 22px;
  margin: 1.75em 0;
  border-radius: 0 .5rem .5rem 0;
  color: var(--color-text-secondary);
  font-style: normal;
}
.article-body ul,
.article-body ol {
  margin: 1.25em 0;
  padding-left: 1.5em;
}
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: .55em; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 15px;
}
.article-body table th,
.article-body table td {
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  text-align: left;
}
.article-body table th {
  background: rgba(12,74,62,.06);
  font-weight: 600;
  color: var(--color-primary);
}

.article-notfound {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 80px 40px;
  text-align: center;
  box-shadow: var(--shadow-card);
}
.article-notfound-icon {
  width: 64px;
  height: 64px;
  border-radius: 999px;
  background: rgba(12,74,62,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--color-primary);
}
.article-notfound h2 { font-size: 1.6rem; font-weight: 700; color: var(--color-primary); margin-bottom: 10px; }
.article-notfound p { color: var(--color-text-secondary); margin-bottom: 28px; }

/* 上一篇 / 下一篇 */
.post-nav {
  margin-top: 32px;
}
.post-nav-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.post-nav-item {
  flex: 1;
  min-width: 220px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: all .25s ease;
  display: block;
}
.post-nav-item:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
}
.post-nav-label {
  font-size: 13px;
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
}
.post-nav-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-nav-back {
  text-align: center;
  margin-top: 28px;
}

/* 延伸阅读 */
.related-section { padding: 64px 0 88px; }
.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 44px;
  color: var(--color-text);
  letter-spacing: -0.3px;
}
.section-title span { color: var(--color-primary); }

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all .3s ease;
  display: block;
}
.related-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}
.related-card-image {
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--color-border);
}
.related-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.related-card:hover .related-card-image img { transform: scale(1.04); }
.related-card-content { padding: 22px 24px 26px; }
.related-card-content h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  margin: 12px 0 8px;
  color: var(--color-text);
}
.related-card-content p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}
.related-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  margin-top: 14px;
  transition: gap .2s ease;
}
.related-card:hover .related-more { gap: 10px; }

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: .3px;
}
.badge-brand { background: rgba(12,74,62,.1); color: var(--color-primary); }
.badge-activity { background: rgba(201,153,46,.14); color: #8A6420; }
.badge-product { background: rgba(46,139,116,.12); color: var(--color-primary-light); }

/* CTA 区块 */
.cta-section {
  background: linear-gradient(135deg, var(--color-dark), var(--color-primary));
  padding: 80px 0;
  text-align: center;
  color: #fff;
}
.cta-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
  letter-spacing: -0.3px;
}
.cta-subtitle {
  font-size: 16px;
  color: rgba(255,255,255,.75);
  margin-bottom: 36px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 页脚 */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,.8);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.footer-brand {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand span { color: var(--color-accent); }
.footer-desc {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
  max-width: 300px;
}
.footer-heading {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links { display: grid; gap: 10px; padding: 0; margin: 0; }
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,.7);
  transition: color .2s ease;
}
.footer-links a:hover { color: var(--color-accent); }
.footer-contact { display: grid; gap: 10px; padding: 0; margin: 0; }
.footer-contact li { font-size: 14px; color: rgba(255,255,255,.7); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 48px;
  padding: 20px 0;
}
.footer-bottom .container-mk {
  font-size: 12px;
  color: rgba(255,255,255,.4);
  text-align: center;
}

/* 响应式 */
@media (max-width: 992px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .article-body { padding: 36px 32px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-btn { display: none; }
  .mobile-menu-toggle { display: block; }
  .article-hero { padding: 40px 0 36px; }
  .article-title { font-size: 1.75rem; }
  .article-body { padding: 24px 20px; font-size: 16px; }
  .article-section { padding: 40px 0 32px; }
  .container-mk { padding: 0 1rem; }
  .section-title { font-size: 1.5rem; margin-bottom: 32px; }
  .cta-title { font-size: 1.75rem; }
  .cta-section { padding: 56px 0; }
  .footer { padding: 48px 0 0; }
}

@media (max-width: 640px) {
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .post-nav-links { flex-direction: column; }
  .post-nav-item { min-width: auto; }
  .breadcrumb { font-size: 13px; }
  .article-title { font-size: 1.5rem; }
  .article-meta { gap: 10px; font-size: 13px; }
  .cta-buttons .btn-primary,
  .cta-buttons .btn-outline-light { width: 100%; max-width: 300px; }
  .footer-desc { max-width: 100%; }
}

/* roulang page: category2 */
:root {
    --color-primary: #0C4A3E;
    --color-primary-light: #2E8B74;
    --color-accent: #C9992E;
    --color-bg: #F7F4EF;
    --color-surface: #FFFFFF;
    --color-text: #1C1917;
    --color-text-secondary: #6B645C;
    --color-border: #E7E2DA;
    --color-dark: #06281F;
    --color-success: #2E8B74;
    --color-muted: #9CA3AF;
    --gradient-brand: linear-gradient(135deg, #0C4A3E 0%, #2E8B74 100%);
    --radius-lg: 1.25rem;
    --radius-md: 0.875rem;
    --radius-sm: 0.625rem;
    --shadow-card: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
    --shadow-hover: 0 4px 12px rgba(0,0,0,.08), 0 12px 32px rgba(0,0,0,.08);
  }

  /* ===== Reset / Base ===== */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; transition: color .25s; }
  button { font-family: inherit; cursor: pointer; }
  ul, ol { margin: 0; padding: 0; list-style: none; }

  .container-mk {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
  }

  @media (max-width: 768px) {
    .container-mk { padding: 0 1rem; }
  }

  /* ===== Top Bar ===== */
  .top-bar {
    background: var(--color-dark);
    height: 36px;
    display: flex;
    align-items: center;
    font-size: 12.5px;
    color: rgba(255,255,255,.85);
  }
  .top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .top-bar-domain { letter-spacing: .5px; }
  .top-bar-link {
    color: rgba(255,255,255,.85);
    border-bottom: 1px solid rgba(255,255,255,.3);
    padding-bottom: 1px;
    transition: color .25s, border-color .25s;
  }
  .top-bar-link:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
  }
  .top-bar-divider { margin: 0 12px; opacity: .4; }

  /* ===== Header / Nav ===== */
  .main-header {
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 4px rgba(0,0,0,.03);
  }
  .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
  }
  .logo-mark {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.5px;
    position: relative;
  }
  .logo-mark::after {
    content: '';
    position: absolute;
    right: -3px;
    top: 4px;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: .8;
  }
  .logo-text {
    font-size: .875rem;
    color: var(--color-text-secondary);
    letter-spacing: 2px;
    font-weight: 500;
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .nav-link {
    font-size: 15px;
    font-weight: 500;
    color: #444;
    padding: 8px 14px;
    border-radius: 999px;
    position: relative;
    transition: color .25s, background .25s;
  }
  .nav-link:hover {
    color: var(--color-primary);
    background: rgba(12, 74, 62, .06);
  }
  .nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
  }
  .nav-link.active::after {
    content: '';
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 2px;
    height: 2px;
    background: var(--gradient-brand);
    border-radius: 2px;
  }
  .nav-btn { flex-shrink: 0; }
  .mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-primary);
    padding: 8px;
    border-radius: 8px;
  }
  .mobile-menu-toggle:hover { background: rgba(12,74,62,.06); }
  .mobile-menu-toggle:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }

  /* Mobile Menu */
  .mobile-menu {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #fff;
    z-index: 200;
    padding: 2rem;
    transform: translateY(-100%);
    transition: transform .35s cubic-bezier(.22,.61,.36,1);
    display: flex;
    flex-direction: column;
  }
  .mobile-menu.open { transform: translateY(0); }
  .mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
  }
  .mobile-menu-close {
    background: rgba(12,74,62,.08);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .mobile-menu-close:hover { background: rgba(12,74,62,.15); }
  .mobile-menu ul { flex: 1; }
  .mobile-menu ul li { margin-bottom: 8px; }
  .mobile-menu ul li a {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    padding: 12px 8px;
    border-radius: 12px;
    transition: background .25s, color .25s;
  }
  .mobile-menu ul li a:hover {
    color: var(--color-primary);
    background: rgba(12,74,62,.05);
  }
  .mobile-menu ul li a.active { color: var(--color-primary); }
  .mobile-signup {
    display: inline-block;
    margin-top: 12px;
    font-size: 1.125rem;
  }

  @media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-toggle { display: inline-flex; }
    .nav-btn { display: none; }
  }

  /* ===== Buttons ===== */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--gradient-brand);
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    padding: 14px 32px;
    border-radius: 999px;
    border: none;
    box-shadow: 0 4px 14px rgba(12,74,62,.25);
    transition: transform .25s, box-shadow .25s, filter .25s;
    line-height: 1.4;
  }
  .btn-primary:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(12,74,62,.32);
    color: #fff;
  }
  .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(12,74,62,.2);
  }
  .btn-primary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }
  .btn-sm { padding: 10px 22px; font-size: .9rem; }
  .btn-xl { padding: 16px 40px; font-size: 1.0625rem; }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 1rem;
    padding: 14px 32px;
    border-radius: 999px;
    border: 1.5px solid var(--color-primary);
    transition: background .25s, transform .25s, box-shadow .25s;
    line-height: 1.4;
  }
  .btn-secondary:hover {
    background: rgba(12,74,62,.08);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(12,74,62,.12);
    color: var(--color-primary);
  }
  .btn-secondary:active { transform: translateY(0); }
  .btn-secondary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }
  .btn-secondary-light {
    border-color: rgba(255,255,255,.8);
    color: #fff;
  }
  .btn-secondary-light:hover {
    background: rgba(255,255,255,.14);
    color: #fff;
  }

  /* ===== Category Hero ===== */
  .category-hero {
    background: linear-gradient(135deg, rgba(6,40,31,.94) 0%, rgba(12,74,62,.88) 45%, rgba(46,139,116,.78) 100%),
      url('/assets/images/backpic/back-1.webp') center/cover;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
  }
  .category-hero::after {
    content: '';
    position: absolute;
    right: -80px;
    top: -40px;
    width: 340px;
    height: 340px;
    background: radial-gradient(circle, rgba(201,153,46,.25) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
  }
  .category-hero-inner {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
  }
  .category-hero-copy { max-width: 620px; }
  .category-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    margin: 0 0 20px;
    letter-spacing: -1px;
  }
  .category-hero h1 .hero-accent {
    color: var(--color-accent);
    position: relative;
  }
  .category-hero p {
    font-size: 1.125rem;
    color: rgba(255,255,255,.82);
    margin: 0 0 32px;
    line-height: 1.7;
  }
  .category-hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }
  .category-hero-visual {
    width: 360px;
    height: 240px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 24px 48px rgba(0,0,0,.3);
    border: 1px solid rgba(255,255,255,.18);
    flex-shrink: 0;
  }
  .category-hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  @media (max-width: 992px) {
    .category-hero-visual { display: none; }
    .category-hero { padding: 64px 0; }
    .category-hero h1 { font-size: 2.5rem; }
  }
  @media (max-width: 768px) {
    .category-hero h1 { font-size: 2rem; }
    .category-hero p { font-size: 1rem; }
    .category-hero-actions { flex-direction: column; }
    .category-hero-actions .btn-primary,
    .category-hero-actions .btn-secondary { width: 100%; }
  }

  /* ===== Section Spacing ===== */
  .section-pad { padding: 96px 0; }
  .section-pad-sm { padding: 64px 0; }
  @media (max-width: 768px) {
    .section-pad { padding: 56px 0; }
    .section-pad-sm { padding: 40px 0; }
  }

  .section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
  }
  .section-tag {
    display: inline-block;
    font-size: .8125rem;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(12,74,62,.08);
    padding: 5px 16px;
    border-radius: 999px;
    margin-bottom: 16px;
    letter-spacing: 1px;
  }
  .section-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 12px;
    line-height: 1.2;
  }
  .section-header p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin: 0;
  }
  @media (max-width: 768px) {
    .section-header h2 { font-size: 1.65rem; }
  }

  /* ===== Process Timeline ===== */
  .process-section {
    background: #fff;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
  }
  .process-list {
    position: relative;
    max-width: 860px;
    margin: 0 auto;
    padding-left: 48px;
  }
  .process-list::before {
    content: '';
    position: absolute;
    left: 23px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(to bottom, rgba(12,74,62,.3), rgba(46,139,116,.15));
    border-radius: 2px;
  }
  .process-item {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    padding: 28px 32px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-card);
    transition: transform .3s, box-shadow .3s, border-color .3s;
    border-left: 3px solid transparent;
  }
  .process-item:last-child { margin-bottom: 0; }
  .process-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-left-color: var(--color-accent);
  }
  .process-number {
    position: absolute;
    left: -48px;
    top: 24px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 4px rgba(12,74,62,.12);
    z-index: 2;
  }
  .process-time {
    font-size: .8125rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 6px;
    display: inline-block;
    background: rgba(201,153,46,.1);
    padding: 2px 10px;
    border-radius: 999px;
  }
  .process-item h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 8px 0 8px;
  }
  .process-item p {
    font-size: .9375rem;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.7;
  }
  @media (max-width: 640px) {
    .process-list { padding-left: 36px; }
    .process-list::before { left: 17px; }
    .process-number { left: -36px; width: 22px; height: 22px; font-size: .6875rem; }
    .process-item { padding: 22px 20px; }
  }

  /* ===== Registration Cards ===== */
  .reg-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .reg-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    padding: 32px 28px;
    text-align: center;
    transition: transform .3s, box-shadow .3s;
    box-shadow: var(--shadow-card);
  }
  .reg-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }
  .reg-icon {
    width: 56px;
    height: 56px;
    border-radius: 1rem;
    background: rgba(12,74,62,.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--color-primary);
  }
  .reg-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin: 0 0 10px;
  }
  .reg-card p {
    font-size: .875rem;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.6;
  }
  .reg-card .reg-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 16px;
    font-size: .875rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: gap .25s;
  }
  .reg-card .reg-link:hover { gap: 8px; }
  .reg-card .reg-link svg { transition: transform .25s; }

  @media (max-width: 992px) {
    .reg-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 520px) {
    .reg-grid { grid-template-columns: 1fr; }
  }

  /* ===== On-site Guide ===== */
  .guide-section { background: #fff; border-top: 1px solid var(--color-border); }
  .guide-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
  }
  .guide-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    position: relative;
  }
  .guide-image img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    transition: transform .5s;
  }
  .guide-image:hover img { transform: scale(1.02); }
  .guide-image-badge {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(6,40,31,.82);
    color: #fff;
    font-size: .8125rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 999px;
    backdrop-filter: blur(4px);
  }
  .guide-copy h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 12px;
    line-height: 1.2;
  }
  .guide-copy .guide-sub {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin: 0 0 32px;
  }
  .guide-points {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  .guide-point {
    display: flex;
    gap: 16px;
    align-items: flex-start;
  }
  .guide-point-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(12,74,62,.08);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .guide-point h4 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 4px;
  }
  .guide-point p {
    font-size: .875rem;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.6;
  }
  @media (max-width: 992px) {
    .guide-split { grid-template-columns: 1fr; gap: 32px; }
    .guide-image img { height: 320px; }
  }
  @media (max-width: 768px) {
    .guide-copy h2 { font-size: 1.65rem; }
    .guide-point { gap: 12px; }
  }

  /* ===== Notice Section ===== */
  .notice-section {
    background: var(--color-dark);
    position: relative;
    overflow: hidden;
  }
  .notice-section::before {
    content: '';
    position: absolute;
    top: -60px;
    left: -60px;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(46,139,116,.3) 0%, transparent 70%);
    border-radius: 50%;
  }
  .notice-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 48px;
    position: relative;
    z-index: 2;
  }
  .notice-card {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 1rem;
    padding: 28px 32px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: background .3s, transform .3s;
  }
  .notice-card:hover {
    background: rgba(255,255,255,.1);
    transform: translateY(-3px);
  }
  .notice-check {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(201,153,46,.25);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: .8125rem;
  }
  .notice-card h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 6px;
  }
  .notice-card p {
    color: rgba(255,255,255,.65);
    font-size: .875rem;
    margin: 0;
    line-height: 1.6;
  }
  .notice-section .section-header h2 { color: #fff; }
  .notice-section .section-header p { color: rgba(255,255,255,.7); }
  .notice-section .section-tag {
    background: rgba(201,153,46,.16);
    color: var(--color-accent);
  }
  @media (max-width: 768px) {
    .notice-grid { grid-template-columns: 1fr; gap: 16px; }
    .notice-card { padding: 22px 20px; }
  }

  /* ===== FAQ ===== */
  .faq-section { background: #fff; }
  .faq-list {
    max-width: 760px;
    margin: 0 auto;
  }
  .faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: 4px 0;
  }
  .faq-item:first-child { border-top: 1px solid var(--color-border); }
  .faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 24px 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    transition: color .25s;
  }
  .faq-question:hover { color: var(--color-primary); }
  .faq-question:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 8px;
  }
  .faq-icon-wrap {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(12,74,62,.08);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background .3s, transform .3s;
    font-size: 1.125rem;
    color: var(--color-primary);
    font-weight: 400;
  }
  .faq-item.open .faq-icon-wrap { transform: rotate(45deg); background: rgba(201,153,46,.15); color: var(--color-accent); }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
    padding: 0 8px;
  }
  .faq-item.open .faq-answer {
    max-height: 320px;
    padding-bottom: 24px;
  }
  .faq-answer p {
    font-size: .9375rem;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.7;
    padding-left: 16px;
    border-left: 3px solid rgba(12,74,62,.2);
  }

  /* ===== CTA ===== */
  .cta-section {
    background: var(--gradient-brand);
    position: relative;
    overflow: hidden;
  }
  .cta-section::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(201,153,46,.3) 0%, transparent 70%);
    border-radius: 50%;
  }
  .cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 80px 0;
    max-width: 720px;
    margin: 0 auto;
  }
  .cta-inner h2 {
    color: #fff;
    font-size: 2.25rem;
    font-weight: 800;
    margin: 0 0 16px;
    line-height: 1.2;
  }
  .cta-inner p {
    color: rgba(255,255,255,.82);
    font-size: 1.0625rem;
    margin: 0 0 36px;
  }
  .cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
  }
  .cta-actions .btn-primary {
    background: #fff;
    color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(0,0,0,.2);
  }
  .cta-actions .btn-primary:hover { background: #f5f1ea; }
  .cta-actions .btn-secondary-light { border-color: rgba(255,255,255,.8); }
  .cta-contact-row {
    margin-top: 28px;
    font-size: .875rem;
    color: rgba(255,255,255,.75);
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
  }
  .cta-contact-row span { display: inline-flex; align-items: center; gap: 6px; }
  .cta-contact-row svg { opacity: .8; }
  @media (max-width: 768px) {
    .cta-inner { padding: 56px 0; }
    .cta-inner h2 { font-size: 1.65rem; }
    .cta-actions { flex-direction: column; }
    .cta-actions .btn-primary,
    .cta-actions .btn-secondary-light { width: 100%; }
  }

  /* ===== Footer ===== */
  .footer {
    background: var(--color-dark);
    color: rgba(255,255,255,.7);
    padding: 64px 0 0;
    font-size: .9375rem;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
  }
  .footer-brand {
    font-size: 1.375rem;
    font-weight: 800;
    color: #fff;
    margin: 0 0 12px;
    letter-spacing: -0.5px;
  }
  .footer-brand span { color: var(--color-accent); }
  .footer-desc {
    font-size: .875rem;
    color: rgba(255,255,255,.55);
    line-height: 1.7;
    margin: 0;
    max-width: 280px;
  }
  .footer-heading {
    font-size: .9375rem;
    font-weight: 600;
    color: #fff;
    margin: 0 0 20px;
  }
  .footer-links li, .footer-contact li {
    margin-bottom: 12px;
    font-size: .875rem;
  }
  .footer-links a {
    color: rgba(255,255,255,.65);
    transition: color .25s, padding-left .25s;
  }
  .footer-links a:hover {
    color: var(--color-accent);
    padding-left: 4px;
  }
  .footer-contact li {
    color: rgba(255,255,255,.55);
    line-height: 1.6;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 24px 0;
    text-align: center;
    font-size: .8125rem;
    color: rgba(255,255,255,.4);
  }
  @media (max-width: 992px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  }
  @media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer { padding-top: 48px; }
  }

  /* ===== Focus Visible Global ===== */
  a:focus-visible, button:focus-visible, input:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }

  /* ===== Tailwind Override ===== */
  @media (max-width: 640px) {
    .section-header { margin-bottom: 32px; }
  }

/* roulang page: category3 */
/* ===== 设计变量与基础 Reset ===== */
    :root {
      --color-primary: #0C4A3E;
      --color-primary-light: #2E8B74;
      --color-primary-dark: #06281F;
      --color-accent: #C9992E;
      --color-bg: #F7F4EF;
      --color-surface: #FFFFFF;
      --color-text: #1C1917;
      --color-text-secondary: #6B645C;
      --color-border: #E7E2DA;
      --radius-lg: 1.25rem;
      --radius-md: 0.875rem;
      --radius-sm: 0.625rem;
      --shadow-card: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
      --shadow-hover: 0 4px 12px rgba(0,0,0,.08), 0 12px 32px rgba(0,0,0,.08);
    }
    *, *::before, *::after { box-sizing: border-box; }
    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background: var(--color-bg);
      color: var(--color-text);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; margin: 0; padding: 0; }
    button { font-family: inherit; border: none; background: none; cursor: pointer; }

    .container-mk { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
    .container-narrow { max-width: 800px; }

    /* ===== 顶部信息条 ===== */
    .topbar {
      background: var(--color-primary-dark);
      color: rgba(255,255,255,.82);
      font-size: 13px;
      height: 36px;
      display: flex;
      align-items: center;
    }
    .topbar-inner { display: flex; justify-content: space-between; align-items: center; width: 100%; }
    .topbar-links { display: flex; gap: 20px; }
    .topbar-links a { color: rgba(255,255,255,.85); transition: color .3s; }
    .topbar-links a:hover { color: var(--color-accent); }

    /* ===== 主导航 ===== */
    .main-header {
      background: var(--color-surface);
      border-bottom: 1px solid var(--color-border);
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 1px 4px rgba(6,40,31,.04);
    }
    .nav-container { display: flex; align-items: center; height: 72px; justify-content: space-between; gap: 16px; }
    .logo { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
    .logo-mark {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--color-primary);
      letter-spacing: -0.5px;
      position: relative;
    }
    .logo-mark::after {
      content: '';
      position: absolute;
      top: 3px;
      right: -6px;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-accent);
    }
    .logo-text { font-size: .875rem; color: var(--color-text-secondary); letter-spacing: 2px; font-weight: 500; }
    .nav-links { display: flex; gap: 32px; margin-left: auto; margin-right: 24px; }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--color-text);
      padding: 8px 2px;
      position: relative;
      display: inline-block;
      transition: color .3s;
    }
    .nav-link:hover { color: var(--color-primary); }
    .nav-link.active {
      color: var(--color-primary);
      font-weight: 600;
      pointer-events: none;
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
      border-radius: 2px;
    }
    .nav-btn { flex-shrink: 0; }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--color-text);
      padding: 6px;
      border-radius: 8px;
      transition: background .3s;
    }
    .mobile-menu-toggle:hover { background: rgba(12,74,62,.06); }
    .mobile-menu-toggle:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

    .mobile-menu {
      display: none;
      position: fixed;
      top: 0; left: 0; right: 0; bottom: 0;
      background: var(--color-surface);
      z-index: 200;
      padding: 24px;
      flex-direction: column;
      overflow-y: auto;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu-close {
      font-size: 32px;
      line-height: 1;
      color: var(--color-text-secondary);
      align-self: flex-end;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      transition: background .3s;
    }
    .mobile-menu-close:hover { background: rgba(12,74,62,.06); }
    .mobile-menu-links { display: flex; flex-direction: column; gap: 8px; margin-top: 32px; }
    .mobile-menu-links a,
    .mobile-menu-links span {
      font-size: 22px;
      font-weight: 600;
      color: var(--color-text);
      padding: 14px 8px;
      border-bottom: 1px solid var(--color-border);
      display: block;
    }
    .mobile-menu-links span.active { color: var(--color-primary); }
    .mobile-menu-links .btn-primary { margin-top: 24px; text-align: center; border-bottom: none; }

    /* ===== 按钮 ===== */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
      color: #fff;
      font-weight: 600;
      padding: 14px 32px;
      border-radius: 999px;
      font-size: 15px;
      transition: all .3s ease;
      border: none;
      cursor: pointer;
      line-height: 1.4;
    }
    .btn-primary:hover {
      opacity: .94;
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(12,74,62,.25);
    }
    .btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(12,74,62,.2); }
    .btn-primary:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
    .btn-sm { padding: 10px 20px; font-size: 14px; }
    .btn-lg { padding: 16px 42px; font-size: 16px; }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: transparent;
      border: 1px solid var(--color-primary);
      color: var(--color-primary);
      font-weight: 600;
      padding: 13px 30px;
      border-radius: 999px;
      font-size: 15px;
      transition: all .3s ease;
      cursor: pointer;
    }
    .btn-outline:hover { background: rgba(12,74,62,.08); }
    .btn-outline:active { background: rgba(12,74,62,.14); }
    .btn-outline:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
    .btn-light { border-color: rgba(255,255,255,.7); color: #fff; }
    .btn-light:hover { background: rgba(255,255,255,.12); }

    /* ===== 分类页 Hero ===== */
    .cat-hero {
      background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 45%, var(--color-primary-light) 100%);
      color: #fff;
      position: relative;
      overflow: hidden;
      padding: 72px 0 48px;
    }
    .cat-hero::before {
      content: '';
      position: absolute;
      top: -120px;
      right: -60px;
      width: 420px;
      height: 420px;
      border-radius: 50%;
      background: rgba(255,255,255,.05);
    }
    .cat-hero::after {
      content: '';
      position: absolute;
      bottom: -160px;
      left: 30%;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(201,153,46,.08);
    }
    .cat-hero-inner {
      display: flex;
      align-items: center;
      gap: 48px;
      position: relative;
      z-index: 1;
    }
    .cat-hero-content { flex: 1.2; }
    .cat-hero-media { flex: 1; border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,.25); min-height: 220px; background-size: cover; background-position: center; }
    .hero-badge {
      display: inline-block;
      background: rgba(255,255,255,.14);
      border: 1px solid rgba(255,255,255,.25);
      padding: 6px 16px;
      border-radius: 999px;
      font-size: 13px;
      letter-spacing: 1px;
      margin-bottom: 20px;
      color: rgba(255,255,255,.9);
    }
    .hero-title {
      font-size: 3rem;
      font-weight: 800;
      line-height: 1.15;
      margin: 0 0 16px;
      letter-spacing: -0.5px;
    }
    .hero-subtitle {
      font-size: 1.125rem;
      line-height: 1.8;
      color: rgba(255,255,255,.85);
      max-width: 520px;
      margin: 0 0 32px;
    }
    .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
    .hero-stats {
      display: flex;
      gap: 0;
      margin-top: 56px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      border-radius: var(--radius-lg);
      padding: 28px 32px;
      backdrop-filter: blur(4px);
      position: relative;
      z-index: 1;
    }
    .stat-item {
      flex: 1;
      text-align: center;
      padding: 0 16px;
      border-left: 1px solid rgba(255,255,255,.15);
    }
    .stat-item:first-child { border-left: none; }
    .stat-item strong {
      display: block;
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--color-accent);
      font-variant-numeric: tabular-nums;
      line-height: 1.2;
    }
    .stat-item span {
      font-size: 14px;
      color: rgba(255,255,255,.7);
      display: block;
      margin-top: 4px;
    }

    /* ===== 通用板块 ===== */
    .section { padding: 96px 0; }
    .section-alt { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
    .section-dark { background: var(--color-primary-dark); color: #fff; }
    .section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
    .section-title { font-size: 2.25rem; font-weight: 700; margin: 0 0 12px; letter-spacing: -0.3px; }
    .section-subtitle { font-size: 1.0625rem; color: var(--color-text-secondary); margin: 0; line-height: 1.7; }
    .section-head.light .section-subtitle { color: rgba(255,255,255,.72); }

    /* ===== 产品体验卡片 ===== */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 28px;
    }
    .product-card {
      background: var(--color-surface);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-card);
      transition: box-shadow .35s ease, transform .35s ease;
      display: flex;
      flex-direction: column;
    }
    .product-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .product-img { aspect-ratio: 16/10; overflow: hidden; }
    .product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
    .product-card:hover .product-img img { transform: scale(1.03); }
    .product-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
    .product-tag {
      display: inline-block;
      background: rgba(12,74,62,.08);
      color: var(--color-primary);
      font-size: 12px;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 999px;
      align-self: flex-start;
      margin-bottom: 12px;
      letter-spacing: .5px;
    }
    .product-body h3 { font-size: 1.25rem; font-weight: 700; margin: 0 0 10px; }
    .product-body p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; margin: 0; }

    /* ===== 体验流程 ===== */
    .steps {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 24px;
    }
    .step {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      position: relative;
      transition: box-shadow .3s, transform .3s;
      box-shadow: var(--shadow-card);
    }
    .step:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
    .step-icon {
      width: 56px;
      height: 56px;
      border-radius: 16px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
      color: #fff;
      font-size: 20px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-variant-numeric: tabular-nums;
    }
    .step-info h3 { font-size: 1.125rem; font-weight: 700; margin: 0 0 8px; }
    .step-info p { font-size: 14px; color: var(--color-text-secondary); margin: 0; line-height: 1.7; }
    .step-line { display: none; }

    /* ===== 图文分栏 ===== */
    .feature-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .feature-media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-hover); }
    .feature-media img { width: 100%; height: 100%; object-fit: cover; }
    .feature-content .feature-tag {
      display: inline-block;
      background: rgba(201,153,46,.12);
      color: #8a6a1a;
      font-size: 13px;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 16px;
      letter-spacing: .5px;
    }
    .feature-content h2 { font-size: 2rem; font-weight: 700; margin: 0 0 16px; color: var(--color-text); }
    .feature-content p { font-size: 1rem; color: var(--color-text-secondary); line-height: 1.8; margin: 0 0 24px; }
    .feature-list li {
      font-size: 15px;
      color: var(--color-text);
      padding: 8px 0 8px 32px;
      position: relative;
      border-bottom: 1px solid var(--color-border);
    }
    .feature-list li:last-child { border-bottom: none; }
    .feature-list li::before {
      content: '✓';
      position: absolute;
      left: 0;
      color: var(--color-primary-light);
      font-weight: 700;
      font-size: 18px;
    }

    /* ===== 体验者说 ===== */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 24px;
    }
    .testimonial-card {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-card);
      transition: box-shadow .3s, transform .3s;
      position: relative;
    }
    .testimonial-card::before {
      content: '“';
      font-size: 56px;
      color: rgba(12,74,62,.12);
      line-height: 1;
      position: absolute;
      top: 12px;
      right: 20px;
      font-family: Georgia, serif;
    }
    .testimonial-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
    .testimonial-text { font-size: 15px; color: var(--color-text-secondary); line-height: 1.75; margin: 0 0 20px; }
    .testimonial-author { display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--color-border); padding-top: 16px; }
    .testimonial-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
      flex-shrink: 0;
    }
    .testimonial-author strong { display: block; font-size: 14px; font-weight: 600; }
    .testimonial-author span { font-size: 13px; color: var(--color-text-secondary); }

    /* ===== FAQ ===== */
    .faq-list { border-top: 1px solid var(--color-border); }
    .faq-item { border-bottom: 1px solid var(--color-border); }
    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 22px 8px;
      font-size: 16px;
      font-weight: 600;
      color: var(--color-text);
      text-align: left;
      transition: color .3s;
      gap: 16px;
    }
    .faq-question:hover { color: var(--color-primary); }
    .faq-question:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 4px; border-radius: 8px; }
    .faq-icon {
      width: 24px;
      height: 24px;
      position: relative;
      flex-shrink: 0;
      transition: transform .3s;
    }
    .faq-icon::before, .faq-icon::after {
      content: '';
      position: absolute;
      background: var(--color-primary-light);
      border-radius: 2px;
      transition: transform .3s;
    }
    .faq-icon::before { width: 2px; height: 16px; top: 4px; left: 11px; }
    .faq-icon::after { width: 16px; height: 2px; top: 11px; left: 4px; }
    .faq-item.active .faq-icon { transform: rotate(45deg); }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .4s ease, padding .3s ease;
      padding: 0 8px;
      font-size: 15px;
      color: var(--color-text-secondary);
      line-height: 1.75;
    }
    .faq-item.active .faq-answer { max-height: 300px; padding-bottom: 24px; }

    /* ===== CTA ===== */
    .cta-section {
      background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
      color: #fff;
      text-align: center;
      padding: 88px 0;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      top: -80px;
      right: -80px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(255,255,255,.05);
    }
    .cta-section::after {
      content: '';
      position: absolute;
      bottom: -100px;
      left: -60px;
      width: 200px;
      height: 200px;
      border-radius: 50%;
      background: rgba(201,153,46,.1);
    }
    .cta-inner { position: relative; z-index: 1; max-width: 720px; }
    .cta-inner h2 { font-size: 2.5rem; font-weight: 800; margin: 0 0 16px; line-height: 1.2; }
    .cta-inner p { font-size: 1.0625rem; color: rgba(255,255,255,.8); margin: 0 auto 32px; max-width: 480px; }
    .cta-contact { display: block; margin-top: 18px; font-size: 14px; color: rgba(255,255,255,.7); }

    /* ===== 页脚 ===== */
    .footer {
      background: var(--color-primary-dark);
      color: rgba(255,255,255,.7);
      padding: 64px 0 0;
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      padding-bottom: 48px;
    }
    .footer-brand { font-size: 1.375rem; font-weight: 800; color: #fff; margin: 0 0 12px; }
    .footer-brand span { color: var(--color-accent); }
    .footer-desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.6); max-width: 260px; margin: 0; }
    .footer-heading { font-size: 15px; font-weight: 600; color: #fff; margin: 0 0 16px; }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a { color: rgba(255,255,255,.65); transition: color .3s; font-size: 14px; }
    .footer-links a:hover { color: var(--color-accent); }
    .footer-contact li { margin-bottom: 10px; color: rgba(255,255,255,.65); line-height: 1.7; }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.1);
      padding: 20px 0;
      text-align: center;
      font-size: 12px;
      color: rgba(255,255,255,.4);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 992px) {
      .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .testimonial-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .cat-hero-inner { flex-direction: column; }
      .cat-hero-media { width: 100%; min-height: 200px; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .topbar-links { display: none; }
      .nav-links { display: none; }
      .mobile-menu-toggle { display: inline-flex; }
      .nav-btn { display: none; }
      .section { padding: 56px 0; }
      .section-title { font-size: 1.625rem; }
      .hero-title { font-size: 2rem; }
      .hero-stats { flex-direction: column; gap: 16px; padding: 24px; }
      .stat-item { border-left: none; border-top: 1px solid rgba(255,255,255,.15); padding: 12px 0; }
      .stat-item:first-child { border-top: none; }
      .product-grid { grid-template-columns: 1fr; }
      .testimonial-grid { grid-template-columns: 1fr; }
      .steps { grid-template-columns: 1fr; }
      .feature-split { grid-template-columns: 1fr; gap: 32px; }
      .cta-inner h2 { font-size: 1.75rem; }
      .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    }
    @media (max-width: 520px) {
      .hero-actions { flex-direction: column; }
      .hero-actions .btn-primary, .hero-actions .btn-outline { width: 100%; }
      .category-hero { padding: 56px 0 32px; }
      .container-mk { padding: 0 1rem; }
      .section-title { font-size: 1.5rem; }
      .feature-content h2 { font-size: 1.5rem; }
    }