/* roulang page: index */
:root {
  --primary: #0F5C5A;
  --primary-dark: #0B4A48;
  --primary-light: #E6F2F1;
  --accent: #C99B3F;
  --accent-dark: #B8892F;
  --bg-main: #FBFCFA;
  --bg-soft: #E6F2F1;
  --bg-teal: #0F4644;
  --card-bg: #FFFFFF;
  --border: #E7EBE8;
  --text-title: #1A2B2A;
  --text-body: #33413F;
  --text-secondary: #6B7A77;
  --text-muted: #9AA6A3;
  --success: #2F8F5B;
  --warning: #D97742;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-input: 8px;
  --shadow-sm: 0 2px 8px rgba(24,58,54,.06);
  --shadow-lg: 0 8px 24px rgba(24,58,54,.12);
  --font-sans: "PingFang SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --container-width: 1240px;
  --transition: all .25s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background-color: var(--bg-main);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; margin: 0; padding: 0; }
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: var(--transition);
  border: 2px solid transparent;
  margin: 0;
  text-align: center;
  color: #fff;
}
.button:hover { transform: translateY(-2px); color: #fff; }
.button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.button:active { transform: translateY(0); }

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

.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: rgba(15,92,90,.06); color: var(--primary-dark); border-color: var(--primary-dark); }

.btn-white { background: #fff; color: var(--primary); border-color: #fff; }
.btn-white:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.btn-ghost-white { background: transparent; border-color: rgba(255,255,255,.7); color: #fff; }
.btn-ghost-white:hover { background: rgba(255,255,255,.1); border-color: #fff; color: #fff; }

.btn-lg { padding: 14px 36px; font-size: 16px; }
.btn-sm { padding: 9px 20px; font-size: 14px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-lg); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.site-logo { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark { display: flex; align-items: center; justify-content: center; border-radius: 8px; overflow: hidden; flex-shrink: 0; }
.logo-text { font-size: 20px; font-weight: 700; color: var(--text-title); letter-spacing: .5px; white-space: nowrap; }
.site-nav .nav-list { display: flex; gap: 8px; margin: 0; }
.nav-link {
  display: block;
  padding: 8px 16px;
  border-radius: 8px;
  color: var(--text-body);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.nav-link:hover { background: rgba(15,92,90,.05); color: var(--primary); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.header-actions { display: flex; align-items: center; gap: 12px; }
.menu-toggle {
  display: none;
  background: none;
  border: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 8px;
}
.menu-toggle span { width: 24px; height: 2px; background: var(--text-title); border-radius: 2px; transition: var(--transition); }
.menu-toggle:hover span { background: var(--primary); }

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  max-width: 85%;
  background: #fff;
  z-index: 200;
  transform: translateX(100%);
  transition: transform .3s ease;
  box-shadow: -8px 0 24px rgba(24,58,54,.12);
  padding: 80px 24px 32px;
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.menu-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-main);
  font-size: 24px;
  line-height: 1;
  color: var(--text-title);
  transition: var(--transition);
}
.menu-close:hover { background: var(--bg-soft); color: var(--primary); }
.mobile-nav { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.mobile-nav-link {
  padding: 12px 16px;
  border-radius: 10px;
  color: var(--text-body);
  font-size: 17px;
  font-weight: 500;
  transition: var(--transition);
}
.mobile-nav-link:hover { background: var(--bg-soft); color: var(--primary); }
.mobile-nav-link.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.mobile-cta { width: 100%; color: #fff; }
.mobile-cta:hover { color: #fff; }
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26,43,42,.5);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.menu-overlay.open { opacity: 1; visibility: visible; }

.hero {
  background: linear-gradient(135deg, #F0F7F5 0%, #E6F2F1 60%, #FBFCFA 100%);
  padding: 80px 0 72px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(rgba(15,92,90,.08) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.hero h1 {
  font-size: 40px;
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.2;
  margin: 0 0 20px;
  letter-spacing: .5px;
}
.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 0 32px;
  line-height: 1.8;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-media { position: relative; z-index: 2; }
.hero-image-wrap { position: relative; border-radius: 20px; }
.hero-image { border-radius: 20px; width: 100%; box-shadow: var(--shadow-lg); }
.hero-float-card {
  position: absolute;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-title);
  z-index: 3;
}
.hero-float-card i { color: var(--primary); font-size: 18px; }
.float-card-1 { top: 24px; left: -24px; }
.float-card-2 { bottom: 36px; right: -16px; }

.trust-bar { background: var(--bg-soft); border-top: 1px solid var(--border); padding: 32px 0; }
.trust-item { display: flex; gap: 14px; align-items: flex-start; padding: 8px 4px; }
.trust-item i {
  font-size: 22px;
  color: var(--primary);
  flex-shrink: 0;
  background: #fff;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}
.trust-item:nth-child(even) i { color: var(--accent-dark); background: #F7EED9; }
.trust-item h3 { font-size: 15px; font-weight: 600; color: var(--text-title); margin: 0 0 4px; }
.trust-item p { font-size: 13px; color: var(--text-secondary); margin: 0; line-height: 1.6; }

.section-head { margin-bottom: 40px; max-width: 680px; }
.section-head h2 { font-size: 28px; font-weight: 700; color: var(--text-title); margin: 0 0 12px; letter-spacing: .5px; }
.section-head p { font-size: 15px; color: var(--text-secondary); margin: 0; }
section { padding: 80px 0; }

.feature-section { background: var(--bg-main); }
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.feature-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform .4s ease;
}
.feature-card:hover img { transform: scale(1.03); }
.feature-main img { aspect-ratio: 16 / 9; }
.feature-card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.feature-card-body h3 { font-size: 20px; font-weight: 600; color: var(--text-title); margin: 12px 0 10px; line-height: 1.4; }
.feature-side .feature-card-body h3 { font-size: 17px; }
.feature-card-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin: 0 0 16px; flex: 1; }
.feature-side { margin-bottom: 24px; }
.feature-side:last-child { margin-bottom: 0; }
.featured-grid .cell.large-5 { display: flex; flex-direction: column; }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.8;
}
.badge-accent { background: #F7EED9; color: var(--accent-dark); }
.badge-light { background: rgba(255,255,255,.92); color: var(--primary); }

.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 600; font-size: 14px; }
.text-link i { transition: transform .25s ease; }
.text-link:hover i { transform: translateX(4px); }

.news-section { background: var(--bg-soft); }
.news-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 22px 26px;
  margin-bottom: 16px;
  transition: var(--transition);
}
.news-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); border-color: rgba(15,92,90,.2); }
.news-item-link { display: block; }
.news-cat {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
  background: #F7EED9;
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.news-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-title);
  margin: 0 0 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-summary {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 0 12px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta { display: flex; align-items: center; justify-content: space-between; color: var(--text-muted); font-size: 13px; }
.news-date { color: var(--text-muted); }
.news-date i { margin-right: 4px; }
.news-more { color: var(--primary); font-weight: 600; }
.news-more i { transition: transform .25s ease; }
.news-item:hover .news-more i { transform: translateX(4px); }
.news-feature-panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}
.news-feature-title { font-size: 17px; font-weight: 600; color: var(--text-title); margin: 0 0 18px; padding-bottom: 12px; border-bottom: 2px solid var(--primary-light); }
.news-feature-item { display: block; padding: 14px 0; border-bottom: 1px solid var(--border); transition: var(--transition); }
.news-feature-item:last-of-type { border-bottom: none; padding-bottom: 0; }
.news-feature-item:hover { padding-left: 8px; }
.news-feature-cat {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 10px;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 6px;
}
.news-feature-item h4 { font-size: 15px; font-weight: 600; color: var(--text-title); margin: 0 0 6px; line-height: 1.5; }
.news-feature-item p { font-size: 13px; color: var(--text-secondary); margin: 0 0 8px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-feature-item time { font-size: 12px; color: var(--text-muted); }
.news-empty {
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: var(--radius-card);
  padding: 60px 24px;
  text-align: center;
  color: var(--text-muted);
}
.news-empty i { font-size: 40px; margin-bottom: 12px; display: block; color: var(--text-muted); }
.news-empty p { font-size: 15px; margin: 0; }
.news-feature-empty { font-size: 14px; color: var(--text-muted); text-align: center; padding: 30px 0; margin: 0; }
.news-footer { margin-top: 28px; text-align: center; }

.testimonial-section { background: var(--bg-main); }
.testimonial-orbit .orbit-container { background: transparent; list-style: none; }
.testimonial-orbit .orbit-wrapper { margin: 0; position: relative; }
.testimonial-orbit .orbit-slide { display: flex; justify-content: center; }
.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 36px 40px;
  max-width: 720px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  margin: 0 auto;
}
.testimonial-icon { width: 48px; height: 48px; background: var(--primary-light); border-radius: 50%; color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 20px; margin: 0 auto 16px; }
.testimonial-card p { font-size: 17px; color: var(--text-body); line-height: 1.8; margin: 0 0 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; justify-content: center; gap: 10px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 600; flex-shrink: 0; }
.author-name { font-size: 14px; color: var(--text-secondary); font-weight: 500; }
.orbit-bullets { margin-top: 24px; display: flex; justify-content: center; gap: 10px; }
.orbit-bullets button { width: 8px; height: 8px; padding: 0; border-radius: 999px; border: none; background: #D5DDDA; cursor: pointer; transition: var(--transition); }
.orbit-bullets button.is-active { width: 22px; background: var(--accent); }
.orbit-bullets button:hover { background: var(--primary); }
.orbit-previous, .orbit-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--primary);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  padding: 0;
}
.orbit-previous { left: 8px; }
.orbit-next { right: 8px; }
.orbit-previous:hover, .orbit-next:hover { background: var(--primary); color: #fff; }

.category-section { background: var(--bg-main); }
.category-card {
  position: relative;
  display: block;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 320px;
}
.category-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.category-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.category-card:hover img { transform: scale(1.05); }
.category-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,45,44,.88) 0%, rgba(15,45,44,.35) 55%, rgba(15,45,44,.1) 100%);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
}
.category-overlay h3 { font-size: 24px; font-weight: 700; margin: 10px 0 8px; color: #fff; }
.category-overlay p { font-size: 14px; color: rgba(255,255,255,.92); margin: 0 0 12px; line-height: 1.7; }
.category-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 14px; color: #fff; }
.category-link i { transition: transform .25s ease; }
.category-card:hover .category-link i { transform: translateX(4px); }

.faq-section { background: var(--bg-soft); }
.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq-accordion .accordion-item { border-bottom: 1px solid var(--border); list-style: none; }
.faq-accordion .accordion-item:last-child { border-bottom: none; }
.faq-accordion .accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  background: #fff;
  border: none !important;
  transition: var(--transition);
  position: relative;
}
.faq-accordion .accordion-title:hover { background: var(--bg-main); color: var(--primary); }
.faq-accordion .accordion-title::before { content: none !important; }
.faq-accordion .accordion-title::after {
  content: '+';
  font-size: 24px;
  font-weight: 400;
  color: var(--primary);
  transition: transform .2s ease;
  position: static;
  transform: none;
}
.faq-accordion .accordion-item.is-active > .accordion-title::after { transform: rotate(45deg); }
.faq-accordion .accordion-content { padding: 0 28px 22px; background: #fff; color: var(--text-body); font-size: 15px; line-height: 1.8; border: none !important; }
.faq-accordion .accordion-content p { margin: 0; }

.cta-section { padding: 0; }
.cta-band {
  background: var(--primary);
  position: relative;
  padding: 56px 0;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: .14;
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.cta-inner h2 { color: #fff; font-size: 26px; font-weight: 700; margin: 0 0 8px; }
.cta-inner p { color: rgba(255,255,255,.85); font-size: 15px; margin: 0; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.site-footer { background: var(--bg-teal); color: rgba(255,255,255,.85); padding: 64px 0 0; }
.footer-grid { padding-bottom: 40px; }
.footer-brand h3 { color: #fff; font-size: 20px; font-weight: 700; margin: 14px 0 12px; display: flex; align-items: center; gap: 8px; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.7); margin: 0; max-width: 340px; }
.site-footer h4 { color: #fff; font-size: 15px; font-weight: 600; margin: 0 0 16px; letter-spacing: .5px; }
.site-footer ul li { margin-bottom: 10px; font-size: 14px; }
.site-footer ul a { color: rgba(255,255,255,.7); transition: var(--transition); }
.site-footer ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li i { width: 20px; color: var(--accent); margin-right: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.6);
}
.footer-bottom p { margin: 0; }

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

@media screen and (max-width: 1023px) {
  .site-nav { display: none; }
  .header-cta { display: none; }
  .menu-toggle { display: flex; }
  .hero { padding: 56px 0 56px; }
  .hero h1 { font-size: 32px; }
  .hero-media { margin-top: 40px; }
  .float-card-1 { left: 8px; }
  .float-card-2 { right: 8px; }
  section { padding: 60px 0; }
  .featured-grid .cell.large-5 { margin-top: 0; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}

@media screen and (max-width: 767px) {
  .container { padding: 0 20px; }
  .header-inner { height: 64px; }
  .logo-text { font-size: 16px; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 15px; }
  .hero-actions .button { width: 100%; }
  .trust-item { flex-direction: column; gap: 8px; }
  .section-head h2 { font-size: 24px; }
  .category-card { height: 260px; }
  .category-overlay { padding: 20px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-grid > .cell { margin-bottom: 28px; }
  .testimonial-card { padding: 24px; }
  .faq-accordion .accordion-title { padding: 16px 20px; font-size: 15px; }
  .faq-accordion .accordion-content { padding: 0 20px 16px; }
  .news-item { padding: 18px 20px; }
  .cta-actions .button { width: 100%; }
  .hero-float-card { display: none; }
  .news-meta { flex-wrap: wrap; gap: 8px; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #0F5C5A;
  --primary-dark: #0A4543;
  --primary-deep: #083735;
  --primary-light: #E6F2F1;
  --accent: #C99B3F;
  --accent-dark: #A87C2D;
  --accent-light: #F5EDD8;
  --bg: #FBFCFA;
  --card-bg: #FFFFFF;
  --border: #E7EBE8;
  --text: #1A2B2A;
  --text-body: #33413F;
  --text-muted: #6B7A77;
  --text-faint: #9AA6A3;
  --success: #2F8F5B;
  --warning: #D97742;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 18px;
  --shadow: 0 2px 8px rgba(24,58,54,.06);
  --shadow-lg: 0 8px 24px rgba(24,58,54,.12);
  --container: 1280px;
  --header-h: 68px;
  --space: 84px;
  --font: "PingFang SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
}

/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font);font-size:16px;line-height:1.7;color:var(--text-body);background:var(--bg);-webkit-font-smoothing:antialiased;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
ul,ol{list-style:none;}
button{font-family:var(--font);cursor:pointer;}
input,textarea{font-family:var(--font);}

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

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;line-height:1.4;border:2px solid transparent;transition:all .25s ease;white-space:nowrap;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-sm{padding:8px 18px;font-size:14px;}
.btn-light{background:#fff;color:var(--primary);}
.btn-light:hover{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.85);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.15);color:#fff;transform:translateY(-2px);}

/* ===== 标签 / 徽章 ===== */
.badge{display:inline-flex;align-items:center;padding:4px 14px;border-radius:999px;font-size:12px;font-weight:600;background:var(--accent);color:#fff;letter-spacing:.3px;}
.badge-soft{background:var(--primary-light);color:var(--primary);}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);transition:box-shadow .3s ease;}
.site-header.scrolled{box-shadow:0 4px 20px rgba(24,58,54,.08);}
.header-inner{display:flex;align-items:center;height:var(--header-h);gap:32px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo span{font-size:20px;font-weight:700;color:var(--text);letter-spacing:.5px;}
.logo:hover span{color:var(--primary);}
.site-nav{flex:1;display:flex;justify-content:center;}
.nav-list{display:flex;align-items:center;gap:8px;}
.nav-link{display:inline-block;padding:10px 18px;border-radius:var(--radius-sm);font-size:15px;font-weight:500;color:var(--text-body);transition:all .2s ease;position:relative;}
.nav-link:hover{background:var(--primary-light);color:var(--primary-dark);}
.nav-link.active{color:var(--primary);font-weight:600;background:var(--primary-light);}
.nav-link.active::after{content:'';position:absolute;left:18px;right:18px;bottom:2px;height:2px;border-radius:2px;background:var(--accent);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:#fff;color:var(--text-muted);display:inline-flex;align-items:center;justify-content:center;font-size:15px;transition:all .2s ease;}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);}
.burger{display:none;flex-direction:column;gap:5px;width:42px;height:42px;border-radius:var(--radius-sm);border:1px solid var(--border);background:#fff;align-items:center;justify-content:center;}
.burger span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:all .3s ease;}
.burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.active span:nth-child(2){opacity:0;}
.burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ===== 移动端抽屉 ===== */
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:320px;max-width:85vw;background:#fff;z-index:200;box-shadow:-8px 0 30px rgba(0,0,0,.12);transform:translateX(100%);transition:transform .35s cubic-bezier(.4,0,.2,1);overflow-y:auto;}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border);}
.drawer-head span{font-size:18px;font-weight:700;color:var(--text);}
.drawer-close{width:36px;height:36px;border-radius:50%;border:none;background:var(--primary-light);color:var(--primary);font-size:16px;}
.mobile-drawer nav{padding:16px 24px 32px;}
.mobile-drawer nav a{display:flex;align-items:center;padding:14px 12px;border-radius:var(--radius-sm);font-size:16px;color:var(--text-body);margin-bottom:4px;transition:all .2s ease;}
.mobile-drawer nav a:hover,.mobile-drawer nav a.active{background:var(--primary-light);color:var(--primary);font-weight:600;}

/* ===== 分类 Hero 条 ===== */
.page-banner{position:relative;padding:76px 0 88px;background-size:cover;background-position:center;background-repeat:no-repeat;}
.banner-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,47,45,.92) 0%,rgba(15,92,90,.82) 60%,rgba(15,92,90,.55) 100%);}
.banner-inner{position:relative;z-index:2;color:#fff;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.75);margin-bottom:22px;}
.breadcrumb a{color:rgba(255,255,255,.85);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span{color:rgba(255,255,255,.5);}
.page-banner h1{font-size:36px;font-weight:700;color:#fff;line-height:1.3;margin-bottom:16px;}
.page-banner .lead{font-size:17px;color:rgba(255,255,255,.9);max-width:620px;line-height:1.8;margin-bottom:34px;}
.banner-stats{display:flex;gap:14px;flex-wrap:wrap;}
.banner-stats > div{background:rgba(255,255,255,.12);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.18);border-radius:12px;padding:14px 22px;text-align:center;min-width:130px;}
.banner-stats strong{display:block;font-size:18px;font-weight:700;color:#fff;margin-bottom:2px;}
.banner-stats span{font-size:13px;color:rgba(255,255,255,.8);}

/* ===== 板块通用 ===== */
.section{padding:var(--space) 0;}
.section-head{margin-bottom:46px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;}
.section-head.center{flex-direction:column;align-items:center;text-align:center;gap:8px;}
.section-head h2{font-size:28px;font-weight:700;color:var(--text);line-height:1.3;}
.section-head p{color:var(--text-muted);font-size:15px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);padding:8px 14px;border-radius:var(--radius-sm);background:var(--primary-light);transition:all .25s ease;}
.link-more i{transition:transform .25s ease;}
.link-more:hover{background:var(--primary);color:#fff;}
.link-more:hover i{transform:translateX(4px);}

/* ===== 精选卡片 ===== */
.featured-section{background:#fff;}
.featured-grid{row-gap:24px;}
.feature-card{background:var(--card-bg);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);transition:all .3s ease;height:100%;display:flex;flex-direction:column;}
.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);}
.cover-wrap{overflow:hidden;position:relative;}
.cover-wrap img{width:100%;height:240px;object-fit:cover;transition:transform .4s ease;}
.feature-card:hover .cover-wrap img{transform:scale(1.04);}
.cover-wrap::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.12) 0%,transparent 50%);}
.feature-body{padding:26px 28px;display:flex;flex-direction:column;flex:1;}
.feature-body .badge{align-self:flex-start;margin-bottom:12px;}
.feature-body h3{font-size:19px;font-weight:700;color:var(--text);line-height:1.5;margin-bottom:10px;}
.feature-body p{color:var(--text-muted);font-size:15px;line-height:1.75;margin-bottom:18px;flex:1;}
.card-meta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding-top:14px;}
.card-meta span{font-size:13px;color:var(--text-faint);}
.card-meta a{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.card-meta a i{transition:transform .25s ease;}
.card-meta a:hover{color:var(--accent);}
.card-meta a:hover i{transform:translateX(4px);}

.stack-col{display:flex;flex-direction:column;gap:24px;}
.mini-card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);padding:26px 28px;display:flex;gap:18px;transition:all .3s ease;flex:1;}
.mini-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);}
.mini-icon{flex-shrink:0;width:46px;height:46px;border-radius:12px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;}
.mini-body{display:flex;flex-direction:column;gap:4px;}
.mini-body h3{font-size:16px;font-weight:700;color:var(--text);line-height:1.5;}
.mini-body p{font-size:14px;color:var(--text-muted);line-height:1.6;}

/* ===== 索引面板 ===== */
.index-section{background:var(--bg);}
.index-grid{row-gap:24px;}
.index-panel{background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--border);padding:30px 32px;height:100%;transition:box-shadow .3s ease;}
.index-panel:hover{box-shadow:var(--shadow-lg);}
.index-panel h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:20px;display:flex;align-items:center;gap:10px;}
.index-panel h3 i{color:var(--accent);}
.index-list li{margin-bottom:6px;}
.index-list li a{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;border-radius:10px;border:1px solid transparent;transition:all .2s ease;font-size:15px;color:var(--text-body);background:var(--bg);}
.index-list li a i{font-size:12px;color:var(--text-faint);transition:transform .2s ease,color .2s ease;}
.index-list li a:hover{background:var(--primary-light);color:var(--primary-dark);border-color:rgba(15,92,90,.15);padding-left:20px;}
.index-list li a:hover i{color:var(--primary);transform:translateX(3px);}

/* ===== 标签云 ===== */
.topics-section{background:var(--primary-deep);}
.topics-section .section-head h2{color:#fff;}
.topics-section .section-head p{color:rgba(255,255,255,.7);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.tag{display:inline-block;padding:10px 24px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.9);font-size:14px;font-weight:500;transition:all .25s ease;}
.tag:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px);}

/* ===== FAQ ===== */
.faq-section{background:#fff;}
.faq-wrap{max-width:840px;margin:0 auto;}
.accordion{border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;background:var(--card-bg);}
.accordion-item{border-bottom:1px solid var(--border);}
.accordion-item:last-child{border-bottom:none;}
.accordion-item.is-active .accordion-title{background:var(--primary-light);color:var(--primary-dark);}
.accordion-title{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;font-size:16px;font-weight:600;color:var(--text);cursor:pointer;transition:background .2s ease;position:relative;}
.accordion-title::after{content:'';width:10px;height:10px;border-right:2px solid var(--text-muted);border-bottom:2px solid var(--text-muted);transform:rotate(45deg);transition:transform .25s ease;margin-left:12px;flex-shrink:0;}
.accordion-item.is-active .accordion-title::after{transform:rotate(225deg);border-color:var(--primary);}
.accordion-title:hover{background:var(--bg);}
.accordion-content{padding:0 28px;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;}
.accordion-item.is-active .accordion-content{max-height:400px;padding:0 28px 24px;}
.accordion-content p{font-size:15px;line-height:1.75;color:var(--text-muted);}

/* ===== CTA 带 ===== */
.cta-band{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);padding:68px 0;text-align:center;}
.cta-band h2{font-size:26px;font-weight:700;color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.85);font-size:15px;margin-bottom:28px;}
.cta-band .btn{margin:0 6px;}

/* ===== Footer ===== */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.85);padding:60px 0 0;font-size:14px;}
.footer-grid{padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .logo-mark{display:inline-flex;margin-bottom:14px;}
.footer-brand h3{font-size:20px;font-weight:700;color:#fff;margin-bottom:10px;}
.footer-brand p{line-height:1.75;color:rgba(255,255,255,.7);font-size:14px;}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.site-footer ul li{margin-bottom:9px;}
.site-footer ul a{color:rgba(255,255,255,.75);font-size:14px;transition:all .2s ease;}
.site-footer ul a:hover{color:var(--accent);padding-left:4px;}
.footer-contact li{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.75);}
.footer-contact li i{color:var(--accent);width:16px;text-align:center;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:22px 0;font-size:13px;color:rgba(255,255,255,.55);}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  :root{--space:64px;}
  .site-nav{display:none;}
  .burger{display:flex;}
  .header-actions .btn{display:none;}
  .page-banner{padding:58px 0 68px;}
  .page-banner h1{font-size:30px;}
  .banner-stats{gap:10px;}
  .banner-stats > div{padding:12px 16px;min-width:110px;}
}
@media screen and (max-width:768px){
  :root{--space:48px;}
  .container{padding:0 18px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:34px;}
  .section-head.center{align-items:center;}
  .page-banner{padding:44px 0 52px;}
  .page-banner h1{font-size:24px;}
  .page-banner .lead{font-size:15px;margin-bottom:24px;}
  .banner-stats{flex-direction:column;align-items:flex-start;gap:8px;}
  .banner-stats > div{width:100%;min-width:0;text-align:left;display:flex;align-items:center;gap:8px;}
  .banner-stats strong{font-size:15px;margin-bottom:0;}
  .banner-stats span{font-size:13px;}
  .cover-wrap img{height:190px;}
  .feature-body{padding:20px;}
  .mini-card{padding:20px;flex-direction:column;gap:12px;}
  .index-panel{padding:22px 20px;}
  .accordion-title{padding:16px 20px;font-size:15px;}
  .accordion-content{padding:0 20px;}
  .accordion-item.is-active .accordion-content{padding:0 20px 18px;}
  .cta-band{padding:52px 0;}
  .cta-band h2{font-size:22px;}
  .cta-band .btn{display:inline-flex;width:auto;margin:4px;}
  .footer-grid{padding-bottom:28px;}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center;}
}
@media screen and (max-width:520px){
  :root{--space:40px;}
  .logo span{font-size:17px;}
  .page-banner h1{font-size:21px;}
  .feature-body h3{font-size:17px;}
  .feature-body p{font-size:14px;}
  .mini-body h3{font-size:15px;}
  .index-list li a{font-size:14px;padding:12px 12px;}
  .tag{padding:8px 16px;font-size:13px;}
  .cta-band h2{font-size:19px;}
  .cta-band .btn{font-size:14px;padding:10px 18px;}
}

/* roulang page: article */
/* ============================================
   Design Tokens
   ============================================ */
:root {
  --primary: #0F5C5A;
  --primary-dark: #0A4543;
  --primary-darker: #083C3A;
  --primary-light: #E6F2F1;
  --accent: #C99B3F;
  --accent-dark: #A87F2A;
  --accent-soft: #F7EFDD;
  --bg: #FBFCFA;
  --card-bg: #FFFFFF;
  --border: #E7EBE8;
  --title-color: #1A2B2A;
  --text-color: #33413F;
  --text-secondary: #6B7A77;
  --text-muted: #9AA6A3;
  --success: #2F8F5B;
  --warning: #D97742;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(24,58,54,.06);
  --shadow-md: 0 8px 24px rgba(24,58,54,.10);
  --shadow-lg: 0 16px 40px rgba(24,58,54,.14);
  --transition: all .25s ease;
  --font-sans: "PingFang SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --header-h: 72px;
  --container-w: 1260px;
}

/* ============================================
   Reset / Base
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-color);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 2px; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; border: none; background: none; }
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button { -webkit-appearance: none; }

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

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.btn i { font-size: 14px; }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-lg { padding: 14px 34px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--accent); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(201,155,63,.3); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-outline { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary-light); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-outline:active { transform: translateY(0); }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: var(--accent); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.18); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.7); }
.btn-outline-light:hover { background: rgba(255,255,255,.12); color: #fff; border-color: #fff; transform: translateY(-2px); }

/* ============================================
   Header & Nav
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
  transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(24,58,54,.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.site-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.site-logo:hover .logo-text { color: var(--primary); }
.logo-mark { display: inline-flex; flex-shrink: 0; }
.logo-text { font-size: 20px; font-weight: 700; color: var(--title-color); letter-spacing: .3px; }
.site-nav { display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-link {
  display: inline-block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-color);
  border-radius: 999px;
  position: relative;
  transition: var(--transition);
}
.nav-link:hover { color: var(--primary); background: rgba(15,92,90,.06); }
.nav-link.active { color: var(--primary); background: rgba(15,92,90,.08); font-weight: 600; }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 2px;
  transform: translateX(-50%);
  width: 18px;
  height: 3px;
  background: var(--accent);
  border-radius: 999px;
}
.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.search-toggle { width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; color: var(--text-secondary); font-size: 16px; cursor: pointer; transition: var(--transition); }
.search-toggle:hover { background: var(--primary-light); color: var(--primary); }
.nav-toggle { display: none; width: 42px; height: 42px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer; border-radius: var(--radius-sm); transition: var(--transition); }
.nav-toggle:hover { background: var(--primary-light); }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--title-color); border-radius: 2px; transition: var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Drawer */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(380px, 88vw);
  height: 100vh;
  background: var(--card-bg);
  z-index: 1200;
  box-shadow: var(--shadow-lg);
  transition: right .35s ease;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.mobile-menu.open { right: 0; }
.mobile-menu-header { display: flex; align-items: center; justify-content: space-between; padding: 22px 24px; border-bottom: 1px solid var(--border); }
.mobile-menu-close { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; font-size: 18px; color: var(--text-secondary); cursor: pointer; transition: var(--transition); }
.mobile-menu-close:hover { background: var(--primary-light); color: var(--primary); }
.mobile-nav-list { padding: 18px 12px; flex: 1; }
.mobile-nav-link { display: block; padding: 14px 16px; font-size: 16px; font-weight: 500; color: var(--text-color); border-radius: var(--radius-sm); margin-bottom: 4px; transition: var(--transition); }
.mobile-nav-link:hover { background: var(--primary-light); color: var(--primary); }
.mobile-nav-link.active { background: var(--primary); color: #fff; font-weight: 600; }
.mobile-menu-footer { padding: 18px 24px 28px; border-top: 1px solid var(--border); }
.mobile-menu-overlay { position: fixed; inset: 0; background: rgba(10,30,28,.5); z-index: 1100; opacity: 0; visibility: hidden; transition: all .35s ease; }
.mobile-menu-overlay.open { opacity: 1; visibility: visible; }

/* Search Overlay */
.search-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(8,45,43,.88); z-index: 1300; display: flex; align-items: flex-start; justify-content: center; padding: 140px 24px 24px; opacity: 0; visibility: hidden; transition: all .35s ease; }
.search-overlay.open { opacity: 1; visibility: visible; }
.search-overlay-inner { width: 100%; max-width: 680px; position: relative; }
.search-overlay-close { position: absolute; top: -72px; right: 0; width: 46px; height: 46px; border-radius: 999px; background: rgba(255,255,255,.15); color: #fff; font-size: 18px; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--transition); }
.search-overlay-close:hover { background: var(--accent); }
.search-form { display: flex; gap: 10px; }
.search-form input[type="search"] { flex: 1; padding: 16px 22px; border-radius: var(--radius); font-size: 17px; background: #fff; color: var(--title-color); box-shadow: 0 8px 30px rgba(0,0,0,.18); }
.search-form input[type="search"]:focus { outline: 2px solid var(--accent); }
.search-form .btn { padding: 16px 26px; }

/* ============================================
   Article Hero / Banner
   ============================================ */
.article-hero { position: relative; padding: 56px 0 72px; background-size: cover; background-position: center; background-repeat: no-repeat; }
.article-hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(8,60,58,.92), rgba(15,92,90,.82)); }
.article-hero-content { position: relative; z-index: 2; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: #B8CECB; margin-bottom: 22px; }
.breadcrumb a { color: #DFE8E6; transition: var(--transition); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: rgba(255,255,255,.45); }
.breadcrumb-current { color: #fff; font-weight: 500; max-width: 420px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.article-hero h1 { font-size: clamp(28px, 4vw, 38px); font-weight: 700; color: #fff; line-height: 1.35; max-width: 800px; margin-bottom: 18px; text-shadow: 0 2px 8px rgba(0,0,0,.18); }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; color: #C5DCD9; font-size: 14px; }
.meta-item { display: inline-flex; align-items: center; gap: 7px; }
.meta-item i { color: var(--accent); font-size: 13px; }

/* ============================================
   Article Layout
   ============================================ */
.article-wrap { padding: 52px 0 28px; }
.article-main { min-width: 0; }
.article-body {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 44px 52px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.article-body h1 { font-size: 30px; font-weight: 700; color: var(--title-color); margin: 36px 0 18px; padding-bottom: 10px; border-bottom: 2px solid var(--primary-light); line-height: 1.4; }
.article-body h1:first-child { margin-top: 0; }
.article-body h2 { font-size: 26px; font-weight: 700; color: var(--title-color); margin: 42px 0 18px; padding-top: 24px; border-top: 1px solid var(--border); line-height: 1.4; }
.article-body h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.article-body h3 { font-size: 20px; font-weight: 600; color: var(--title-color); margin: 30px 0 14px; line-height: 1.5; }
.article-body h4 { font-size: 18px; font-weight: 600; color: var(--title-color); margin: 24px 0 12px; }
.article-body p { margin-bottom: 20px; font-size: 17px; line-height: 1.85; color: var(--text-color); }
.article-body a { color: var(--primary); font-weight: 500; border-bottom: 1px solid rgba(15,92,90,.3); }
.article-body a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.article-body ul, .article-body ol { margin: 22px 0; padding-left: 28px; }
.article-body ul li { list-style: disc; margin-bottom: 10px; font-size: 16px; line-height: 1.75; }
.article-body ol li { list-style: decimal; margin-bottom: 10px; }
.article-body ul ul, .article-body ol ol { margin: 8px 0; }
.article-body ul ul li { list-style: circle; }
.article-body blockquote { border-left: 4px solid var(--accent); background: var(--primary-light); padding: 18px 24px; margin: 26px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-secondary); font-size: 16px; line-height: 1.75; }
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body img { border-radius: var(--radius); margin: 28px auto; box-shadow: var(--shadow-sm); }
.article-body figure { margin: 28px 0; text-align: center; }
.article-body figure img { margin: 0 auto; }
.article-body figcaption { font-size: 13px; color: var(--text-muted); margin-top: 12px; text-align: center; }
.article-body table { width: 100%; border-collapse: separate; border-spacing: 0; margin: 26px 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.article-body table th { background: var(--primary-light); color: var(--title-color); padding: 12px 18px; font-weight: 600; text-align: left; font-size: 15px; }
.article-body table td { padding: 12px 18px; border-top: 1px solid var(--border); font-size: 15px; }
.article-body table tbody tr:nth-child(even) { background: #F7FAF9; }
.article-body table tbody tr:hover { background: var(--primary-light); }
.article-body hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }
.article-body strong { font-weight: 600; color: var(--title-color); }
.article-body em { font-style: italic; }
.article-body code { background: #F0F4F3; padding: 2px 8px; border-radius: 4px; font-family: "SF Mono", "Fira Code", monospace; font-size: 14px; color: var(--primary-dark); }
.article-body pre { background: #172F2E; color: #E4EFED; padding: 22px 24px; border-radius: var(--radius); overflow-x: auto; margin: 26px 0; font-size: 14px; line-height: 1.6; }
.article-body pre code { background: none; color: inherit; padding: 0; font-size: inherit; }
.article-body iframe { max-width: 100%; border-radius: var(--radius); margin: 24px 0; }

/* Empty State */
.empty-state { text-align: center; padding: 80px 24px; background: var(--card-bg); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.empty-state i { font-size: 52px; color: var(--text-muted); margin-bottom: 20px; }
.empty-state h3 { font-size: 20px; font-weight: 600; color: var(--title-color); margin-bottom: 10px; }
.empty-state p { color: var(--text-secondary); margin-bottom: 24px; font-size: 15px; }
.empty-state .btn { margin-top: 8px; }

/* Article Pagination */
.article-pagination { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border); }
.article-pagination .btn { flex: 1; min-width: 150px; }

/* ============================================
   Sidebar
   ============================================ */
.article-sidebar { min-width: 0; }
.sidebar-widget { background: var(--card-bg); border-radius: var(--radius); border: 1px solid var(--border); padding: 26px; margin-bottom: 24px; box-shadow: var(--shadow-sm); }
.sidebar-widget h3 { font-size: 17px; font-weight: 700; color: var(--title-color); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--primary-light); position: relative; }
.sidebar-widget h3::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 36px; height: 2px; background: var(--accent); border-radius: 2px; }
.related-list { display: flex; flex-direction: column; gap: 6px; }
.related-item { display: flex; gap: 14px; padding: 12px 8px; border-radius: var(--radius-sm); transition: var(--transition); align-items: flex-start; border-bottom: 1px solid #F2F5F3; }
.related-item:last-child { border-bottom: none; }
.related-item:hover { background: var(--primary-light); transform: translateX(4px); }
.related-item img { width: 84px; height: 60px; object-fit: cover; border-radius: 6px; flex-shrink: 0; }
.related-info { overflow: hidden; }
.related-info h4 { font-size: 14px; font-weight: 600; color: var(--title-color); line-height: 1.5; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-info h4:hover { color: var(--primary); }
.related-info span { font-size: 12px; color: var(--text-muted); display: block; }
.sidebar-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.sidebar-tags a { display: inline-block; padding: 6px 14px; background: var(--primary-light); color: var(--primary); border-radius: 999px; font-size: 13px; font-weight: 500; transition: var(--transition); }
.sidebar-tags a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.sidebar-category-link { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; background: var(--primary-light); border-radius: var(--radius-sm); margin-bottom: 10px; transition: var(--transition); }
.sidebar-category-link:last-child { margin-bottom: 0; }
.sidebar-category-link:hover { background: var(--primary); color: #fff; transform: translateX(4px); }
.sidebar-category-link i { font-size: 14px; }
.sidebar-category-link span { font-size: 15px; font-weight: 600; }
.sidebar-widget p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ============================================
   Mobile Related Section
   ============================================ */
.mobile-related { display: none; padding: 36px 0 8px; }
.mobile-related h2 { font-size: 21px; font-weight: 700; color: var(--title-color); margin-bottom: 18px; }
.related-scroll { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 16px; scroll-snap-type: x mandatory; }
.related-scroll::-webkit-scrollbar { height: 4px; }
.related-scroll::-webkit-scrollbar-thumb { background: #D5DDDA; border-radius: 99px; }
.related-card { flex: 0 0 220px; scroll-snap-align: start; background: var(--card-bg); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--border); overflow: hidden; transition: var(--transition); }
.related-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.related-card img { width: 100%; height: 116px; object-fit: cover; }
.related-card-body { padding: 14px 16px; }
.related-card-body h5 { font-size: 14px; font-weight: 600; color: var(--title-color); margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.45; }
.related-card-body p { font-size: 12px; color: var(--text-muted); }

/* ============================================
   Section Common
   ============================================ */
.section-header { text-align: center; margin-bottom: 40px; }
.section-tag { display: inline-block; background: var(--accent-soft); color: var(--accent-dark); font-size: 13px; font-weight: 600; padding: 5px 16px; border-radius: 999px; margin-bottom: 12px; }
.section-header h2 { font-size: clamp(24px, 3.2vw, 30px); font-weight: 700; color: var(--title-color); line-height: 1.4; }
.section-header p { margin-top: 12px; color: var(--text-secondary); font-size: 16px; max-width: 640px; margin-left: auto; margin-right: auto; }

/* ============================================
   FAQ
   ============================================ */
.faq-section { padding: 72px 0; }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; transition: var(--transition); box-shadow: var(--shadow-sm); }
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-item.open { border-color: var(--primary); box-shadow: 0 6px 20px rgba(15,92,90,.1); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; text-align: left; font-size: 16px; font-weight: 600; color: var(--title-color); cursor: pointer; transition: var(--transition); }
.faq-question:hover { color: var(--primary); }
.faq-question i { font-size: 15px; color: var(--accent); transition: transform .25s ease; flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-answer-inner { padding: 0 24px 22px; font-size: 15px; color: var(--text-secondary); line-height: 1.75; }
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer-inner p:last-child { margin-bottom: 0; }

/* ============================================
   CTA Banner
   ============================================ */
.cta-banner { background: linear-gradient(120deg, var(--primary-darker), var(--primary) 55%, var(--primary-dark)); padding: 64px 0; position: relative; overflow: hidden; }
.cta-banner::before { content: ''; position: absolute; right: -80px; top: -120px; width: 320px; height: 320px; border-radius: 50%; border: 42px solid rgba(255,255,255,.05); }
.cta-banner::after { content: ''; position: absolute; left: -50px; bottom: -100px; width: 220px; height: 220px; border-radius: 50%; border: 30px solid rgba(201,155,63,.12); }
.cta-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap; }
.cta-text h2 { font-size: clamp(22px, 2.8vw, 28px); font-weight: 700; color: #fff; margin-bottom: 10px; line-height: 1.4; }
.cta-text p { color: rgba(255,255,255,.8); font-size: 15px; max-width: 520px; line-height: 1.7; }
.cta-buttons { display: flex; flex-wrap: wrap; gap: 12px; }

/* ============================================
   Footer
   ============================================ */
.site-footer { background: #0F4644; color: #B5C9C7; padding: 64px 0 0; }
.footer-grid { margin-bottom: 40px; }
.footer-brand h3 { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: #8FB5B2; margin-top: 12px; }
.site-footer h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 18px; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul a { font-size: 14px; color: #8FB5B2; transition: var(--transition); }
.site-footer ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li { font-size: 14px; color: #8FB5B2; display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-contact i { width: 16px; text-align: center; color: var(--accent); font-size: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0 26px; text-align: center; }
.footer-bottom p { font-size: 13px; color: #6FA09D; margin-bottom: 4px; line-height: 1.6; }

/* ============================================
   Responsive
   ============================================ */
@media screen and (max-width: 1023.98px) {
  .article-sidebar { display: none; }
  .mobile-related { display: block; }
  .article-body { padding: 36px 34px; }
  .footer-grid .cell { margin-bottom: 32px; }
}

@media screen and (max-width: 767.98px) {
  .site-nav, .header-actions .btn { display: none; }
  .nav-toggle { display: inline-flex; }
  .article-hero { padding: 44px 0 56px; }
  .article-hero h1 { font-size: 26px; }
  .article-wrap { padding: 32px 0 12px; }
  .article-body { padding: 28px 20px; border-radius: var(--radius); }
  .article-body p { font-size: 16px; line-height: 1.8; }
  .article-body h2 { font-size: 22px; }
  .article-body table { display: block; overflow-x: auto; white-space: nowrap; }
  .cta-inner { flex-direction: column; align-items: flex-start; text-align: left; }
  .cta-buttons .btn { width: 100%; }
  .footer-bottom { padding: 18px 0 22px; }
  .search-form { flex-direction: column; }
  .search-form .btn { width: 100%; }
}

@media screen and (max-width: 519.98px) {
  .container { padding: 0 18px; }
  .header-inner { gap: 12px; }
  .logo-text { font-size: 17px; }
  .article-meta { gap: 12px; font-size: 13px; }
  .breadcrumb { font-size: 12px; }
  .article-pagination { flex-direction: column; }
  .article-pagination .btn { width: 100%; }
  .faq-list { margin: 0 4px; }
  .faq-question { padding: 16px 18px; font-size: 15px; }
  .faq-answer-inner { padding: 0 18px 18px; font-size: 14px; }
  .cta-banner { padding: 48px 0; }
}

/* roulang page: category2 */
:root {
            --primary: #0F5C5A;
            --primary-dark: #0A4A48;
            --primary-soft: #E6F2F1;
            --accent: #C99B3F;
            --accent-hover: #B8892F;
            --bg: #FBFCFA;
            --card-bg: #FFFFFF;
            --border: #E7EBE8;
            --heading: #1A2B2A;
            --body-text: #33413F;
            --muted: #6B7A77;
            --weak: #9AA6A3;
            --success: #2F8F5B;
            --warning: #D97742;
            --radius-card: 14px;
            --radius-btn: 9px;
            --radius-input: 8px;
            --radius-badge: 999px;
            --shadow-card: 0 2px 8px rgba(24, 58, 54, .06);
            --shadow-hover: 0 8px 24px rgba(24, 58, 54, .12);
            --transition: all .25s ease;
            --font-stack: "PingFang SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--body-text);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--primary-dark);
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* 布局容器 */
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 头部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .97);
            backdrop-filter: blur(8px);
            box-shadow: 0 1px 0 rgba(24, 58, 54, .05);
            transition: box-shadow .3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(24, 58, 54, .08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 11px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--heading);
            line-height: 1.2;
            white-space: nowrap;
        }

        .logo:hover {
            color: var(--heading);
        }

        .logo-mark {
            display: inline-flex;
            flex-shrink: 0;
        }

        .site-nav {
            display: flex;
            align-items: center;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 15px;
            color: var(--body-text);
            transition: var(--transition);
            position: relative;
        }

        .nav-link:hover {
            background: rgba(15, 92, 90, .05);
            color: var(--primary);
        }

        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(15, 92, 90, .22);
        }

        .nav-link.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }

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

        .header-search {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            color: var(--body-text);
            background: var(--bg);
            transition: var(--transition);
        }

        .header-search:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 1.25rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: var(--primary);
            color: #fff;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: min(340px, 88vw);
            background: #fff;
            z-index: 1200;
            box-shadow: -12px 0 40px rgba(24, 58, 54, .14);
            padding: 32px 28px;
            flex-direction: column;
            gap: 18px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform .32s cubic-bezier(.23, 1, .32, 1);
        }

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

        .mobile-menu-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 35, 33, .35);
            z-index: 1199;
            opacity: 0;
            transition: opacity .3s;
        }

        .mobile-menu-backdrop.show {
            display: block;
            opacity: 1;
        }

        .mobile-menu-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 18px;
            border-bottom: 1px solid var(--border);
        }

        .mobile-menu-header .logo {
            font-size: 1.1rem;
            white-space: normal;
        }

        .mobile-close {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--body-text);
            transition: var(--transition);
        }

        .mobile-close:hover {
            background: var(--primary);
            color: #fff;
        }

        .mobile-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border-radius: var(--radius-input);
            padding: 0 14px;
            height: 44px;
            border: 1px solid var(--border);
        }

        .mobile-search i {
            color: var(--muted);
            margin-right: 10px;
        }

        .mobile-search input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 15px;
            outline: none;
        }

        .mobile-nav-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mobile-nav-list a {
            display: flex;
            align-items: center;
            padding: 13px 16px;
            border-radius: 10px;
            font-weight: 500;
            color: var(--body-text);
            background: transparent;
            transition: var(--transition);
        }

        .mobile-nav-list a:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .mobile-nav-list a.active {
            background: var(--primary);
            color: #fff;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            cursor: pointer;
            transition: var(--transition);
            font-size: 15px;
            line-height: 1.4;
            border: 2px solid transparent;
        }

        .btn-sm {
            padding: 7px 18px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(15, 92, 90, .18);
        }

        .btn-primary:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 155, 63, .28);
        }

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

        .btn-outline {
            background: #fff;
            border-color: var(--primary);
            color: var(--primary);
        }

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

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

        .btn-light {
            background: #fff;
            color: var(--primary);
        }

        .btn-light:hover {
            background: var(--primary-soft);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* 标签 */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: var(--radius-badge);
            font-size: 13px;
            font-weight: 600;
            line-height: 1.4;
        }

        .badge-accent {
            background: rgba(201, 155, 63, .15);
            color: var(--accent-hover);
        }

        .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            font-size: 12.5px;
            font-weight: 700;
            border-radius: var(--radius-badge);
            background: rgba(15, 92, 90, .88);
            color: #fff;
            backdrop-filter: blur(4px);
            letter-spacing: .3px;
        }

        /* 面包屑 */
        .breadcrumb {
            margin: 0 0 24px;
            font-size: 13px;
            color: var(--muted);
        }

        .breadcrumb ol {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .breadcrumb li+li::before {
            content: '/';
            color: var(--weak);
        }

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

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

        .breadcrumb span {
            color: var(--body-text);
            font-weight: 500;
        }

        /* 分类 Hero */
        .category-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 72px 0 76px;
            color: #fff;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(10, 55, 53, .92) 10%, rgba(15, 92, 90, .78) 55%, rgba(201, 155, 63, .35) 100%);
            z-index: 1;
        }

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

        .category-hero-inner {
            max-width: 760px;
        }

        .category-hero .breadcrumb {
            color: rgba(255, 255, 255, .78);
        }

        .category-hero .breadcrumb a {
            color: rgba(255, 255, 255, .78);
        }

        .category-hero .breadcrumb span {
            color: #fff;
        }

        .category-hero h1 {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .category-hero p {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .88);
            margin-bottom: 32px;
            max-width: 640px;
        }

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

        /* 通用章节 */
        .section {
            padding: 80px 0;
        }

        .section-header {
            margin-bottom: 36px;
            max-width: 640px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--accent-hover);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 700;
            color: var(--heading);
            line-height: 1.3;
            margin-bottom: 10px;
        }

        .section-desc {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.75;
        }

        /* 卡片 */
        .guide-card,
        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1px solid rgba(231, 235, 232, .7);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .guide-card .card-media {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

        .guide-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

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

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

        .guide-card .card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.4;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guide-card .card-body p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            font-size: 13px;
            color: var(--weak);
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
        }

        .text-link i {
            transition: transform .25s ease;
        }

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

        .text-link:hover i {
            transform: translateX(4px);
        }

        /* 精选指南区 */
        .featured-cards .guide-card.large .card-media {
            height: 260px;
        }

        .featured-cards .guide-card.small .card-media {
            height: 150px;
        }

        .featured-cards .guide-card.medium .card-media {
            height: 210px;
        }

        /* 索引列表 */
        .index-section {
            background: var(--primary-soft);
            padding: 80px 0;
        }

        .index-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .index-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: rgba(255, 255, 255, .8);
            border: 1px solid rgba(15, 92, 90, .08);
            border-radius: 12px;
            padding: 18px 20px;
            transition: var(--transition);
            cursor: default;
        }

        .index-item:hover {
            background: #fff;
            box-shadow: 0 6px 20px rgba(15, 92, 90, .08);
            transform: translateY(-2px);
        }

        .index-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .index-item h4 {
            font-size: 15.5px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 4px;
            line-height: 1.45;
        }

        .index-item p {
            font-size: 13.5px;
            color: var(--muted);
            line-height: 1.6;
        }

        /* 流程区 */
        .steps-section {
            padding: 80px 0;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 16px;
        }

        .step-item {
            position: relative;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 34px 24px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(231, 235, 232, .6);
            transition: var(--transition);
            text-align: center;
        }

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

        .step-number {
            width: 48px;
            height: 48px;
            margin: 0 auto 18px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 18px rgba(15, 92, 90, .24);
        }

        .step-item:nth-child(2) .step-number {
            background: var(--accent);
            box-shadow: 0 6px 18px rgba(201, 155, 63, .3);
        }

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

        .step-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }

        /* FAQ 区 */
        .faq-section {
            padding: 80px 0;
            background: #fff;
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 24px 8px;
            cursor: pointer;
            transition: var(--transition);
        }

        .faq-q:hover {
            padding-left: 14px;
        }

        .faq-q h3 {
            font-size: 16.5px;
            font-weight: 600;
            color: var(--heading);
            line-height: 1.5;
        }

        .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform .3s ease, background .3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }

        .faq-a-inner {
            padding: 0 8px 26px;
            color: var(--muted);
            font-size: 14.5px;
            line-height: 1.8;
        }

        /* CTA */
        .cta-band {
            background: var(--primary);
            padding: 68px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-band::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .05);
        }

        .cta-band .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 36px;
            flex-wrap: wrap;
        }

        .cta-info {
            flex: 1;
            min-width: 260px;
        }

        .cta-info h2 {
            color: #fff;
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 10px;
        }

        .cta-info p {
            color: rgba(255, 255, 255, .82);
            font-size: 15px;
            line-height: 1.7;
        }

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

        /* 页脚 */
        .site-footer {
            background: #0F4644;
            color: rgba(255, 255, 255, .72);
            font-size: 14px;
            line-height: 1.7;
        }

        .footer-grid {
            padding: 64px 0 40px;
        }

        .footer-brand {
            padding-right: 24px;
        }

        .footer-brand .logo-mark {
            margin-bottom: 4px;
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin: 14px 0 8px;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, .66);
            font-size: 13.5px;
            line-height: 1.8;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 22px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .site-footer ul li {
            margin-bottom: 9px;
        }

        .site-footer ul a {
            color: rgba(255, 255, 255, .66);
            transition: var(--transition);
            font-size: 13.5px;
        }

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

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: rgba(255, 255, 255, .66);
            font-size: 13.5px;
        }

        .footer-contact i {
            color: var(--accent);
            margin-top: 4px;
            width: 16px;
            text-align: center;
        }

        .footer-contact a {
            color: rgba(255, 255, 255, .66);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 6px;
            font-size: 12.5px;
            color: rgba(255, 255, 255, .5);
        }

        .footer-bottom p {
            margin: 0;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .site-nav {
                display: none;
            }

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

            .header-search.desktop-only {
                display: none;
            }

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

            .cta-band .container {
                flex-direction: column;
                align-items: flex-start;
            }
        }

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

            .category-hero {
                padding: 52px 0 56px;
            }

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

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

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

            .index-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-grid {
                padding: 44px 0 24px;
            }

            .header-inner {
                height: 64px;
            }

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

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

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

            .section-title {
                font-size: 22px;
            }

            .featured-cards .guide-card.large .card-media {
                height: 200px;
            }

            .featured-cards .guide-card.small .card-media {
                height: 130px;
            }

            .featured-cards .guide-card.medium .card-media {
                height: 180px;
            }

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

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

            .logo span {
                font-size: 16px;
            }

            .btn-lg {
                padding: 13px 20px;
                font-size: 15px;
            }
        }