/* roulang page: index */
:root {
  --dark: #16181D;
  --accent: #C6A664;
  --accent-hover: #D8BC82;
  --bg: #F6F4EF;
  --bg-alt: #EEEAE2;
  --card-bg: #FFFFFF;
  --text-main: #1E2127;
  --text-sub: #6B7280;
  --text-muted: #9CA3AF;
  --border: #E6E0D4;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --shadow-card: 0 2px 8px rgba(22,24,29,0.04);
  --shadow-hover: 0 12px 28px rgba(22,24,29,0.08);
  --shadow-deep: 0 16px 40px rgba(0,0,0,0.25);
  --space-section: 96px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--text-main); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--accent); }
button, input, select, textarea { font-family: inherit; }
.grid-container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
.grid-container.full { max-width: 100%; padding: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  padding: 0;
}
.site-header.is-scrolled {
  background: rgba(246,244,239,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: relative;
}
.site-logo {
  text-align: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.site-logo a { display: inline-block; text-align: center; }
.logo-text {
  display: block;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  transition: color 0.3s ease;
  white-space: nowrap;
}
.logo-sub {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-top: 1px;
}
.site-header.is-scrolled .logo-text,
.site-header.is-scrolled .nav-left a,
.site-header.is-scrolled .nav-right a:not(.btn) {
  color: var(--text-main);
}
.site-header.is-scrolled .logo-sub { color: var(--accent); }
.nav-left ul, .nav-right ul { display: flex; align-items: center; gap: 28px; }
.nav-left a, .nav-right a:not(.btn) {
  color: rgba(255,255,255,0.92);
  font-size: 15px;
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 4px;
  transition: color 0.25s ease;
}
.nav-left a:hover, .nav-right a:not(.btn):hover { color: var(--accent); }
.nav-left a.is-active::after,
.nav-right a.is-active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 32px;
  min-height: 44px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  line-height: 1;
}
.btn-primary {
  background: var(--accent);
  color: var(--dark) !important;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(198,166,100,0.25);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(198,166,100,0.2);
}
.btn-outline {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}
.btn-outline:hover {
  background: rgba(198,166,100,0.08);
  color: var(--accent);
}
.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.35);
  color: #fff;
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}
.btn-sm { padding: 8px 20px; font-size: 14px; min-height: 36px; }
.btn:focus-visible { outline: 2px solid rgba(198,166,100,0.3); outline-offset: 2px; }

/* Mobile nav */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
  z-index: 110;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: #fff;
  display: block;
  transition: all 0.3s ease;
}
.site-header.is-scrolled .menu-toggle span { background: var(--text-main); }
.mobile-nav {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--dark);
  z-index: 105;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  opacity: 0;
  visibility: hidden;
}
.mobile-nav.is-open { opacity: 1; visibility: visible; display: flex; }
.mobile-nav ul { display: flex; flex-direction: column; gap: 20px; text-align: center; }
.mobile-nav a {
  color: #fff;
  font-size: 18px;
  padding: 8px 20px;
}
.mobile-nav a:hover { color: var(--accent); }
.mobile-nav .btn { margin-top: 10px; }

/* Hero */
.hero {
  position: relative;
  min-height: min(90vh, 760px);
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(22,24,29,0.82) 20%, rgba(22,24,29,0.35) 60%, rgba(22,24,29,0.6));
}
.hero .grid-container { position: relative; z-index: 2; }
.hero-eyebrow {
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.2;
  font-weight: 700;
  margin: 0 0 18px;
  max-width: 720px;
}
.hero-sub {
  font-size: 17px;
  color: rgba(255,255,255,0.88);
  max-width: 560px;
  margin-bottom: 34px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  letter-spacing: 0.08em;
  z-index: 2;
}
.scroll-hint .arrow { display: block; margin: 6px auto 0; width: 18px; height: 18px; border-right: 1px solid rgba(255,255,255,0.6); border-bottom: 1px solid rgba(255,255,255,0.6); transform: rotate(45deg); }

/* Section general */
.section { padding: var(--space-section) 0; }
.section-alt { background: var(--bg-alt); }
.section-light { background: var(--bg); }
.eyebrow {
  font-size: 13px;
  letter-spacing: 0.28em;
  color: var(--accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
}
.section-title { font-size: clamp(26px, 3vw, 34px); line-height: 1.3; font-weight: 700; margin: 0 0 16px; }
.section-desc { font-size: 15px; color: var(--text-sub); max-width: 620px; line-height: 1.8; }

/* Pain section */
.pain-section {
  background: var(--bg);
}
.pain-grid { display: flex; gap: 48px; align-items: center; flex-wrap: wrap; }
.pain-content { flex: 1 1 420px; }
.pain-image { flex: 1 1 420px; }
.pain-image img { border-radius: var(--radius-lg); box-shadow: var(--shadow-card); width: 100%; object-fit: cover; }
.pain-list { margin-top: 28px; }
.pain-item {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.pain-item:last-child { border-bottom: 0; }
.pain-num {
  font-size: 15px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  line-height: 1.4;
}
.pain-item h4 { font-size: 18px; font-weight: 600; margin: 0 0 4px; }
.pain-item p { font-size: 14px; color: var(--text-sub); margin: 0; line-height: 1.6; }
.stat-strip {
  margin-top: 20px;
  display: flex;
  gap: 28px;
  padding: 16px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  box-shadow: var(--shadow-card);
}
.stat-strip .stat-num { font-size: 24px; font-weight: 700; color: var(--accent); }
.stat-strip .stat-label { font-size: 12px; color: var(--text-sub); }

/* Solution section */
.solution-section { background: var(--bg); }
.solution-rows { display: flex; flex-direction: column; gap: 72px; margin-top: 24px; }
.solution-row {
  display: flex;
  align-items: center;
  gap: 56px;
  flex-wrap: wrap;
}
.solution-row.reverse .solution-image { order: 2; }
.solution-row.reverse .solution-text { order: 1; }
.solution-image {
  flex: 1 1 400px;
  position: relative;
}
.solution-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  width: 100%;
  object-fit: cover;
}
.solution-text { flex: 1 1 420px; }
.solution-text .eyebrow { margin-bottom: 8px; }
.solution-text h3 { font-size: 26px; font-weight: 700; margin: 0 0 14px; }
.solution-text p { font-size: 16px; color: var(--text-sub); line-height: 1.8; margin-bottom: 20px; }
.solution-link {
  font-size: 15px;
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.solution-link:hover { color: var(--accent-hover); }
.solution-link .arrow { transition: transform 0.2s ease; }
.solution-link:hover .arrow { transform: translateX(4px); }

/* Stats section */
.stats-section {
  background: var(--dark);
  color: #fff;
  position: relative;
}
.stats-inner { display: flex; flex-wrap: wrap; gap: 40px; align-items: center; }
.stats-left { flex: 1 1 300px; }
.stats-left .section-title { color: #fff; }
.stats-left .section-desc { color: rgba(255,255,255,0.7); }
.stats-grid {
  flex: 2 1 500px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 32px;
}
.stat-item { border-left: 1px solid var(--accent); padding-left: 18px; }
.stat-item .num {
  font-size: clamp(40px, 4vw, 56px);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  font-feature-settings: "tnum";
  display: block;
}
.stat-item .label { font-size: 14px; color: rgba(255,255,255,0.7); margin-top: 6px; }

/* News section */
.news-section { background: var(--bg); }
.news-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}
.news-head h2 { margin: 0; }
.news-more {
  font-size: 15px;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
}
.news-more:hover { color: var(--accent-hover); }
.news-cards { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.news-cards .cell { padding: 0 12px; margin-bottom: 24px; }
.info-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #D8D0BE;
}
.card-cover { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.info-card:hover .card-cover img { transform: scale(1.03); }
.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(22,24,29,0.72);
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.card-body { padding: 24px 28px 20px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 18px; font-weight: 600; margin: 0 0 8px; line-height: 1.4; }
.card-body h3 a { color: var(--text-main); }
.card-body h3 a:hover { color: var(--accent); }
.card-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin: 0 0 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: auto;
}
.card-meta a { color: var(--accent); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.card-meta a:hover { color: var(--accent-hover); }
.empty-state {
  grid-column: 1 / -1;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 56px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
  background: var(--card-bg);
}
.empty-state svg { margin: 0 auto 12px; display: block; color: var(--text-muted); }

/* Timeline */
.timeline-section { background: var(--bg-alt); }
.timeline {
  position: relative;
  padding-left: 32px;
  margin-top: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--accent);
}
.timeline-item {
  position: relative;
  padding: 20px 0 20px 28px;
  border-left: 1px solid transparent;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -30px;
  top: 24px;
  width: 9px;
  height: 9px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--bg-alt);
}
.timeline-year { font-size: 14px; color: var(--accent); font-weight: 700; letter-spacing: 0.05em; }
.timeline-item h4 { font-size: 19px; font-weight: 600; margin: 6px 0 4px; }
.timeline-item p { font-size: 14px; color: var(--text-sub); margin: 0; line-height: 1.7; }

/* Testimonials */
.testimonials-section { background: var(--bg-alt); }
.testi-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 24px;
  margin-top: 32px;
  align-items: stretch;
}
.testi-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}
.testi-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.testi-icon { width: 36px; height: 36px; color: var(--accent); margin-bottom: 12px; }
.testi-text { font-size: 16px; line-height: 1.8; color: var(--text-main); flex: 1; margin: 0 0 16px; }
.testi-author { font-size: 13px; color: var(--text-sub); border-top: 1px solid var(--border); padding-top: 12px; }
.testi-strip {
  margin-top: 24px;
  background: var(--dark);
  border-radius: var(--radius-lg);
  color: #fff;
  padding: 28px 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  justify-content: space-between;
}
.testi-strip p { margin: 0; font-size: 15px; color: rgba(255,255,255,0.85); flex: 1 1 400px; }
.testi-strip .badge { background: var(--accent); color: var(--dark); font-size: 13px; font-weight: 700; padding: 6px 16px; border-radius: var(--radius-sm); white-space: nowrap; }

/* FAQ */
.faq-section { background: var(--bg); }
.faq-inner { max-width: 780px; margin: 32px auto 0; }
.faq-item {
  border-bottom: 1px solid var(--border);
  background: var(--card-bg);
}
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  transition: color 0.2s ease;
  background: none;
  border: 0;
  width: 100%;
  text-align: left;
  color: var(--text-main);
}
.faq-q:hover { color: var(--accent); }
.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
  display: block;
}
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--accent);
  border-radius: 2px;
  transition: transform 0.25s ease;
}
.faq-icon::before { width: 14px; height: 2px; top: 11px; left: 5px; }
.faq-icon::after { width: 2px; height: 14px; top: 5px; left: 11px; }
.faq-item.is-open .faq-icon::after { transform: scaleY(0); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding: 0 24px;
  background: var(--bg);
}
.faq-item.is-open .faq-a { max-height: 300px; padding: 16px 24px; }
.faq-a p { font-size: 15px; color: var(--text-sub); line-height: 1.8; margin: 0; }

/* CTA */
.cta-section {
  background: var(--dark);
  color: #fff;
  text-align: center;
  padding: 80px 24px;
}
.cta-inner { max-width: 680px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(26px, 3vw, 34px); color: #fff; margin: 0 0 14px; }
.cta-inner p { color: rgba(255,255,255,0.7); font-size: 16px; margin-bottom: 32px; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.cta-note { display: block; margin-top: 24px; font-size: 13px; color: rgba(255,255,255,0.45); }

/* Footer */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.7); padding: 64px 0 0; border-top: 1px solid var(--accent); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .logo-text { color: #fff; font-size: 19px; font-weight: 700; letter-spacing: 0.06em; }
.footer-brand .logo-sub { color: var(--accent); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; margin-top: 2px; }
.footer-brand p { font-size: 13px; line-height: 1.7; color: rgba(255,255,255,0.55); margin-top: 16px; }
.footer-col h5 { color: #fff; font-size: 15px; font-weight: 600; margin: 0 0 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: rgba(255,255,255,0.55); font-size: 14px; transition: color 0.2s ease; }
.footer-col a:hover { color: var(--accent); }
.footer-contact li { display: flex; gap: 10px; font-size: 14px; color: rgba(255,255,255,0.55); line-height: 1.6; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: #9CA3AF;
}
.footer-bottom a { color: #9CA3AF; margin-left: 16px; }
.footer-bottom a:hover { color: var(--accent); }

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1024px) {
  :root { --space-section: 72px; }
  .nav-left ul, .nav-right ul { gap: 20px; }
  .nav-left a, .nav-right a:not(.btn) { font-size: 14px; }
  .solution-row { gap: 32px; }
}

@media (max-width: 768px) {
  .site-logo { position: static; transform: none; text-align: center; flex: 1; }
  .header-inner { display: flex; justify-content: space-between; }
  .nav-left, .nav-right { display: none; }
  .menu-toggle { display: flex; }
  .logo-text { color: var(--text-main); }
  .site-header.is-scrolled .logo-text { color: var(--text-main); }
  .hero { padding: 80px 0 60px; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .pain-grid { flex-direction: column; }
  .solution-row { flex-direction: column; }
  .solution-row.reverse .solution-image, .solution-row.reverse .solution-text { order: 0; }
  .testi-grid { grid-template-columns: 1fr; }
  .stats-inner { flex-direction: column; align-items: flex-start; }
  .stats-grid { grid-template-columns: 1fr 1fr; width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; max-width: 320px; }
  .section { padding: 56px 0; }
}

@media (max-width: 520px) {
  .grid-container { padding-left: 16px; padding-right: 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-bottom a { margin-left: 0; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .stat-strip { flex-wrap: wrap; gap: 12px; }
}

/* roulang page: category1 */
:root {
  --color-dark: #16181D;
  --color-accent: #C6A664;
  --color-accent-hover: #D8BC82;
  --color-bg: #F6F4EF;
  --color-bg-alt: #EEEAE2;
  --color-card: #FFFFFF;
  --color-text: #1E2127;
  --color-text-sub: #6B7280;
  --color-text-muted: #9CA3AF;
  --color-border: #E6E0D4;
  --color-border-strong: #D8D0BE;
  --radius-btn: 4px;
  --radius-card: 12px;
  --radius-tag: 999px;
  --shadow-card: 0 2px 8px rgba(22, 24, 29, 0.04);
  --shadow-card-hover: 0 12px 28px rgba(22, 24, 29, 0.08);
  --shadow-btn-hover: 0 6px 16px rgba(198, 166, 100, 0.25);
  --shadow-dark: 0 16px 40px rgba(0, 0, 0, 0.25);
  --transition: 0.25s ease;
  --container-max: 1200px;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

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

/* ========== Header ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(246, 244, 239, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(230, 224, 212, 0.7);
  transition: background 0.3s ease, border-color 0.3s ease;
}

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

.nav-left, .nav-right {
  flex: 1;
  display: flex;
}

.nav-left ul, .nav-right ul {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-left {
  justify-content: flex-end;
}

.nav-right {
  justify-content: flex-start;
}

.site-header .nav-left ul li a,
.site-header .nav-right ul li a {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-text);
  position: relative;
  padding: 8px 0;
}

.site-header .nav-left ul li a::after,
.site-header .nav-right ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.site-header .nav-left ul li a:hover::after,
.site-header .nav-right ul li a:hover::after {
  transform: scaleX(1);
}

.site-header .nav-left ul li a.is-active {
  color: var(--color-accent);
}

.site-header .nav-left ul li a.is-active::after {
  transform: scaleX(1);
}

.site-logo {
  text-align: center;
  padding: 0 24px;
  flex-shrink: 0;
}

.site-logo a {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.2;
}

.site-logo .logo-text {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text);
  white-space: nowrap;
}

.site-logo .logo-sub {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-top: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 14px 32px;
  min-height: 44px;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
  line-height: 1.2;
}

.btn:hover {
  text-decoration: none;
}

.btn:focus {
  outline: 2px solid rgba(198, 166, 100, 0.3);
  outline-offset: 2px;
}

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

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-btn-hover);
}

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

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #ffffff;
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(198, 166, 100, 0.08);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
  min-height: 36px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
  margin: 0 auto;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--color-dark);
  color: #fff;
  border-top: 1px solid var(--color-accent);
  padding: 64px 0 28px;
}

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

.footer-brand .logo-text {
  display: block;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
}

.footer-brand .logo-sub {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-top: 4px;
  text-transform: uppercase;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-top: 16px;
}

.footer-col h5 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

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

.footer-col ul li a {
  font-size: 13px;
  color: var(--color-text-muted);
}

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

.footer-contact li {
  font-size: 13px;
  color: var(--color-text-muted);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 13px;
  color: var(--color-text-muted);
}

.footer-bottom a {
  color: var(--color-text-muted);
  margin-left: 16px;
}

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

/* ========== Category Hero ========== */
.category-hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background-color: var(--color-dark);
  color: #fff;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(120deg, rgba(22, 24, 29, 0.85) 20%, rgba(22, 24, 29, 0.4) 60%, rgba(22, 24, 29, 0.65));
  z-index: 1;
}

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

.hero-content {
  max-width: 720px;
}

.hero-content .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-content h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #fff;
}

.hero-content .hero-desc {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
}

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

/* ========== Section Base ========== */
.section {
  padding: 90px 0;
}

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

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

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--color-text);
}

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

.section-desc {
  font-size: 15px;
  color: var(--color-text-sub);
  max-width: 640px;
  margin-bottom: 40px;
}

.section-dark .section-desc {
  color: rgba(255, 255, 255, 0.7);
}

/* ========== Service Overview ========== */
.overview-wrap {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 48px;
  align-items: start;
}

.overview-img {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 28px;
}

.overview-img img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.overview-list {
  margin-top: 24px;
}

.overview-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.overview-list li:last-child {
  border-bottom: none;
}

.overview-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  min-width: 30px;
  font-feature-settings: "tnum";
}

.overview-content h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}

.overview-content p {
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.6;
}

/* Right Sidebar Cards */
.sidebar-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 32px;
  margin-bottom: 24px;
}

.sidebar-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

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

.sidebar-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-list li:last-child {
  border-bottom: none;
}

.sidebar-list li a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
}

.sidebar-list li a:hover {
  color: var(--color-accent);
}

.sidebar-list li .meta-date {
  display: block;
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* FAQ small accordion */
.mini-faq .faq-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.mini-faq .faq-item:last-child {
  border-bottom: none;
}

.mini-faq .faq-q {
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.mini-faq .faq-q i {
  color: var(--color-accent);
  font-size: 14px;
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.mini-faq .faq-item.is-open .faq-q i {
  transform: rotate(45deg);
}

.mini-faq .faq-a {
  font-size: 13px;
  color: var(--color-text-sub);
  line-height: 1.7;
  padding-top: 8px;
  display: none;
}

.mini-faq .faq-item.is-open .faq-a {
  display: block;
}

/* ========== News Cards ========== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

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

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

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

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

.card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-accent);
  color: var(--color-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-tag);
  letter-spacing: 0.04em;
}

.news-card-content {
  padding: 24px 24px 20px;
}

.news-card-content h3 {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--color-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 53px;
}

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

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

.news-card-meta .date {
  font-size: 13px;
  color: var(--color-text-muted);
}

.news-card-meta a {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-card-meta a i {
  transition: transform 0.25s ease;
}

.news-card-meta a:hover {
  color: var(--color-accent);
}

.news-card-meta a:hover i {
  transform: translateX(4px);
}

.view-all-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
}

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

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

/* ========== Stats Panel ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.stat-item {
  text-align: center;
  padding: 32px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.02);
}

.stat-item .stat-num {
  font-size: 52px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.1;
  font-feature-settings: "tnum";
}

.stat-item .stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 8px;
}

/* ========== Timeline ========== */
.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), rgba(198, 166, 100, 0.2));
}

.timeline-item {
  position: relative;
  padding: 0 0 40px 24px;
}

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

.timeline-item::before {
  content: '';
  position: absolute;
  left: -36px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-item .tl-date {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}

.timeline-item h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

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

/* ========== FAQ ========== */
.faq-wrap {
  max-width: 780px;
  margin: 0 auto;
}

.faq-list {
  border-top: 1px solid var(--color-border);
}

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

.faq-q {
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color 0.2s ease;
}

.faq-q:hover {
  color: var(--color-accent);
}

.faq-q .icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease;
  color: var(--color-accent);
}

.faq-q .icon i {
  font-size: 18px;
}

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

.faq-a {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 1.75;
  display: none;
}

.faq-item.is-open .faq-a {
  display: block;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== CTA ========== */
.cta-section {
  padding: 90px 0;
  background: var(--color-dark);
  color: #fff;
}

.cta-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.cta-inner h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.cta-inner p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
}

.cta-note {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 24px;
}

/* ========== Reveal Animation ========== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .nav-left ul, .nav-right ul {
    gap: 20px;
  }
  .site-logo {
    padding: 0 12px;
  }
  .site-logo .logo-text {
    font-size: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .overview-wrap {
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .site-header .header-inner {
    height: 60px;
  }
  .nav-left, .nav-right {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .site-logo {
    flex: 1;
    text-align: center;
  }
  .site-logo .logo-text {
    font-size: 15px;
  }
  .site-logo .logo-sub {
    font-size: 9px;
  }
  .mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-dark);
    padding: 80px 32px 32px;
    z-index: 999;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
  }
  .mobile-menu.is-open {
    display: flex;
  }
  .mobile-menu a {
    font-size: 18px;
    color: #fff;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .mobile-menu a:hover {
    color: var(--color-accent);
  }
  .mobile-menu a.is-active {
    color: var(--color-accent);
  }
  .mobile-menu .btn {
    margin-top: 24px;
    width: 100%;
  }
  .category-hero {
    min-height: 420px;
    padding: 100px 0 60px;
  }
  .hero-content h1 {
    font-size: 32px;
  }
  .hero-content .hero-desc {
    font-size: 16px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .section {
    padding: 56px 0;
  }
  .section-title {
    font-size: 26px;
  }
  .overview-wrap {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .stat-num {
    font-size: 40px;
  }
  .timeline {
    padding-left: 24px;
  }
  .faq-q {
    padding: 16px 16px;
  }
  .faq-a {
    padding: 0 16px 16px;
  }
  .cta-inner h2 {
    font-size: 24px;
  }
}

@media (max-width: 520px) {
  .grid-container {
    padding: 0 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .site-logo .logo-text {
    font-size: 14px;
    letter-spacing: 0.03em;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-content h1 {
    font-size: 27px;
  }
}

/* roulang page: article */
/* ========== 设计变量 ========== */
    :root {
      --ink: #1E2127;
      --ink-soft: #6B7280;
      --ink-faint: #9CA3AF;
      --gold: #C6A664;
      --gold-light: #D8BC82;
      --bg: #F6F4EF;
      --bg-alt: #EEEAE2;
      --surface: #FFFFFF;
      --line: #E6E0D4;
      --dark: #16181D;
      --radius-lg: 12px;
      --radius-md: 10px;
      --radius-sm: 4px;
      --shadow: 0 2px 8px rgba(22,24,29,0.04);
      --shadow-lg: 0 12px 28px rgba(22,24,29,0.08);
      --shadow-gold: 0 6px 16px rgba(198,166,100,0.25);
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
      --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
    }

    /* ========== Reset / Base ========== */
    *, *::before, *::after {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      margin: 0;
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.75;
      background: var(--bg);
      color: var(--ink);
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: var(--ink);
      text-decoration: none;
      transition: color .2s ease;
    }
    a:hover {
      color: var(--gold);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, select, textarea {
      font-family: inherit;
      outline: none;
    }
    .grid-container {
      max-width: 1200px;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* ========== 按钮体系 ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 15px;
      font-weight: 600;
      padding: 14px 32px;
      border-radius: var(--radius-sm);
      min-height: 44px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: all .2s ease;
      line-height: 1.2;
    }
    .btn:focus {
      box-shadow: 0 0 0 3px rgba(198,166,100,0.3);
    }
    .btn-primary {
      background: var(--gold);
      color: var(--dark);
    }
    .btn-primary:hover {
      background: var(--gold-light);
      color: var(--dark);
      transform: translateY(-1px);
      box-shadow: var(--shadow-gold);
    }
    .btn-primary:active {
      transform: translateY(0);
      box-shadow: none;
    }
    .btn-outline {
      background: transparent;
      border-color: var(--gold);
      color: var(--gold);
    }
    .btn-outline:hover {
      background: rgba(198,166,100,0.08);
      color: var(--gold);
    }
    .btn-ghost {
      background: transparent;
      border-color: rgba(255,255,255,0.35);
      color: #fff;
    }
    .btn-ghost:hover {
      border-color: var(--gold);
      color: var(--gold);
    }
    .btn-sm {
      padding: 8px 18px;
      min-height: 36px;
      font-size: 13px;
    }
    .btn-lg {
      padding: 16px 40px;
      font-size: 16px;
    }

    /* ========== 头部导航 ========== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      background: transparent;
      transition: background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
      border-bottom: 1px solid transparent;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 80px;
      gap: 20px;
    }
    .nav-left ul,
    .nav-right ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .nav-left a {
      color: #fff;
      font-size: 14px;
      letter-spacing: 0.02em;
      padding: 6px 2px;
      position: relative;
      transition: color .2s ease;
    }
    .nav-left a::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 0;
      height: 2px;
      background: var(--gold);
      transition: width .25s ease;
    }
    .nav-left a:hover::after,
    .nav-left a.is-active::after {
      width: 100%;
    }
    .nav-left a:hover {
      color: var(--gold);
    }
    .nav-right a:not(.btn) {
      color: #fff;
      font-size: 14px;
      padding: 6px 2px;
      transition: color .2s ease;
      position: relative;
    }
    .nav-right a:not(.btn)::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 0;
      height: 2px;
      background: var(--gold);
      transition: width .25s ease;
    }
    .nav-right a:not(.btn):hover::after {
      width: 100%;
    }
    .nav-right a:not(.btn):hover {
      color: var(--gold);
    }
    .site-logo {
      text-align: center;
      flex-shrink: 0;
    }
    .site-logo a {
      display: inline-block;
      text-align: center;
    }
    .logo-text {
      display: block;
      font-size: 20px;
      font-weight: 700;
      letter-spacing: 0.06em;
      color: #fff;
      line-height: 1.2;
      transition: color .3s ease;
      white-space: nowrap;
    }
    .logo-sub {
      display: block;
      font-size: 10px;
      letter-spacing: 0.2em;
      color: var(--gold);
      text-transform: uppercase;
      margin-top: 2px;
      font-family: var(--font-en);
      transition: color .3s ease;
    }
    .site-header.is-scrolled {
      background: rgba(246,244,239,0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom-color: rgba(230,224,212,0.9);
      box-shadow: 0 2px 12px rgba(22,24,29,0.03);
    }
    .site-header.is-scrolled .logo-text {
      color: var(--ink);
    }
    .site-header.is-scrolled .nav-left a,
    .site-header.is-scrolled .nav-right a:not(.btn) {
      color: var(--ink);
    }
    .site-header.is-scrolled .nav-left a:hover,
    .site-header.is-scrolled .nav-right a:not(.btn):hover {
      color: var(--gold);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 10px;
      z-index: 120;
      position: relative;
    }
    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: #fff;
      margin: 5px 0;
      transition: transform .25s ease, opacity .25s ease, background .3s ease;
    }
    .menu-toggle.is-open span {
      background: #fff;
    }
    .menu-toggle.is-open span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }
    .menu-toggle.is-open span:nth-child(2) {
      opacity: 0;
    }
    .menu-toggle.is-open span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }
    .site-header.is-scrolled .menu-toggle span {
      background: var(--ink);
    }
    .site-header.menu-open .logo-text {
      color: #fff;
    }
    .site-header.menu-open .menu-toggle span {
      background: #fff;
    }

    /* ========== 页面 Banner ========== */
    .page-banner {
      position: relative;
      min-height: 320px;
      display: flex;
      align-items: center;
      background: linear-gradient(120deg, rgba(22,24,29,0.85) 20%, rgba(22,24,29,0.55) 60%, rgba(22,24,29,0.7)), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
      padding: 140px 0 64px;
      color: #fff;
    }
    .page-banner-inner {
      text-align: center;
      max-width: 720px;
      margin: 0 auto;
    }
    .banner-eyebrow {
      font-size: 13px;
      letter-spacing: 0.3em;
      color: var(--gold);
      text-transform: uppercase;
      font-family: var(--font-en);
    }
    .banner-title {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.3;
      margin: 10px 0 8px;
      color: #fff;
    }
    .banner-sub {
      font-size: 15px;
      color: rgba(255,255,255,0.75);
      max-width: 560px;
      margin: 0 auto;
      line-height: 1.6;
    }

    /* ========== 文章主区 ========== */
    .article-main {
      padding: 48px 0 0;
    }
    .article-wrap {
      max-width: 780px;
      margin: 0 auto;
    }
    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--ink-faint);
      margin-bottom: 28px;
    }
    .breadcrumb a {
      color: var(--ink-soft);
      transition: color .2s ease;
    }
    .breadcrumb a:hover {
      color: var(--gold);
    }
    .breadcrumb .sep {
      color: var(--line);
    }
    .breadcrumb .crumb-title {
      color: var(--ink-soft);
      max-width: 340px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    /* 文章标题与元数据 */
    .article-detail {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      padding: 40px 44px;
      box-shadow: var(--shadow);
    }
    .article-title {
      font-size: 34px;
      line-height: 1.25;
      font-weight: 700;
      color: var(--ink);
      margin-bottom: 16px;
    }
    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
      color: var(--ink-faint);
      padding-bottom: 20px;
      border-bottom: 1px solid var(--line);
      margin-bottom: 32px;
    }
    .article-meta i {
      color: var(--gold);
      margin-right: 6px;
    }

    /* 正文 */
    .article-content {
      font-size: 16px;
      line-height: 1.8;
      color: var(--ink);
    }
    .article-content h2 {
      font-size: 24px;
      font-weight: 700;
      margin: 40px 0 16px;
      padding-left: 12px;
      border-left: 3px solid var(--gold);
      line-height: 1.3;
    }
    .article-content h3 {
      font-size: 20px;
      font-weight: 600;
      margin: 32px 0 12px;
      line-height: 1.35;
    }
    .article-content p {
      margin-bottom: 24px;
    }
    .article-content img {
      width: 100%;
      border-radius: var(--radius-md);
      margin: 24px 0 8px;
    }
    .article-content .image-caption {
      font-size: 13px;
      color: var(--ink-faint);
      text-align: center;
      margin-bottom: 24px;
    }
    .article-content blockquote {
      margin: 28px 0;
      padding: 16px 24px;
      background: var(--bg);
      border-left: 3px solid var(--gold);
      color: var(--ink-soft);
      border-radius: 0 8px 8px 0;
      font-style: normal;
    }
    .article-content ul,
    .article-content ol {
      margin: 0 0 24px;
      padding-left: 24px;
    }
    .article-content li {
      margin-bottom: 8px;
    }
    .article-content a {
      color: var(--gold);
      font-weight: 500;
    }
    .article-content a:hover {
      text-decoration: underline;
    }
    .article-content table {
      width: 100%;
      border-collapse: collapse;
      margin: 24px 0;
    }
    .article-content table th,
    .article-content table td {
      border: 1px solid var(--line);
      padding: 10px 14px;
      font-size: 15px;
      text-align: left;
    }
    .article-content table th {
      background: var(--bg);
      font-weight: 600;
    }
    .article-content code {
      background: #F0EDE6;
      border-radius: 4px;
      padding: 2px 8px;
      font-size: 14px;
      font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    }
    .article-content pre {
      background: #15171B;
      color: #D6D3CC;
      padding: 20px;
      border-radius: 8px;
      overflow-x: auto;
      line-height: 1.6;
      font-size: 14px;
      margin: 24px 0;
    }
    .article-content pre code {
      background: transparent;
      padding: 0;
      color: inherit;
    }

    /* 标签 */
    .article-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
      padding-top: 24px;
      border-top: 1px solid var(--line);
    }
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: var(--ink-soft);
      padding: 6px 16px;
      border: 1px solid var(--line);
      border-radius: 999px;
      transition: all .2s ease;
      background: var(--surface);
    }
    .tag i {
      color: var(--gold);
    }
    .tag:hover {
      border-color: var(--gold);
      color: var(--gold);
      background: rgba(198,166,100,0.06);
    }

    /* 上一篇 / 下一篇 */
    .article-pagination {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      margin: 32px 0 0;
    }
    .page-link {
      display: flex;
      flex-direction: column;
      gap: 6px;
      padding: 20px 24px;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      transition: all .25s ease;
      flex: 1;
      max-width: calc(50% - 8px);
    }
    .page-link:hover {
      border-color: var(--gold);
      box-shadow: var(--shadow-lg);
      transform: translateY(-2px);
    }
    .page-label {
      font-size: 13px;
      color: var(--ink-faint);
    }
    .page-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--ink);
      transition: color .2s ease;
    }
    .page-link:hover .page-title {
      color: var(--gold);
    }
    .next-link {
      text-align: right;
    }

    /* ========== 相关推荐 ========== */
    .related-section {
      background: var(--bg-alt);
      padding: 72px 0;
      margin-top: 40px;
    }
    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      margin-bottom: 32px;
    }
    .section-head h2 {
      font-size: 28px;
      font-weight: 700;
      margin: 0;
      color: var(--ink);
    }
    .more-link {
      font-size: 14px;
      color: var(--ink-soft);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: color .2s ease;
    }
    .more-link i {
      transition: transform .2s ease;
    }
    .more-link:hover {
      color: var(--gold);
    }
    .more-link:hover i {
      transform: translateX(4px);
    }
    .related-section .cell {
      margin-bottom: 24px;
      display: flex;
    }
    .related-card {
      display: flex;
      flex-direction: column;
      background: var(--surface);
      border-radius: var(--radius-md);
      border: 1px solid var(--line);
      overflow: hidden;
      width: 100%;
      transition: all .25s ease;
    }
    .related-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: #D8D0BE;
    }
    .related-thumb {
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #E8E2D6;
    }
    .related-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }
    .related-card:hover .related-thumb img {
      transform: scale(1.03);
    }
    .related-body {
      padding: 20px 24px 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .card-tag {
      font-size: 12px;
      color: var(--gold);
      background: rgba(198,166,100,0.1);
      padding: 4px 12px;
      border-radius: 999px;
      width: fit-content;
      font-weight: 500;
    }
    .related-body h3 {
      font-size: 18px;
      font-weight: 600;
      margin: 12px 0 8px;
      line-height: 1.4;
      color: var(--ink);
      transition: color .2s ease;
    }
    .related-card:hover .related-body h3 {
      color: var(--gold);
    }
    .related-body p {
      font-size: 14px;
      color: var(--ink-soft);
      line-height: 1.6;
      margin: 0 0 12px;
    }

    /* ========== CTA ========== */
    .cta-section {
      background: linear-gradient(120deg, rgba(22,24,29,0.9) 20%, rgba(22,24,29,0.72) 60%, rgba(22,24,29,0.82)), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
      padding: 80px 0;
      color: #fff;
    }
    .cta-inner {
      max-width: 680px;
      margin: 0 auto;
      text-align: center;
    }
    .cta-eyebrow {
      display: inline-block;
      font-size: 13px;
      letter-spacing: 0.3em;
      color: var(--gold);
      text-transform: uppercase;
      font-family: var(--font-en);
      margin-bottom: 10px;
    }
    .cta-inner h2 {
      font-size: 32px;
      font-weight: 700;
      margin-bottom: 12px;
      color: #fff;
    }
    .cta-inner p {
      font-size: 15px;
      color: rgba(255,255,255,0.75);
      margin-bottom: 28px;
    }
    .cta-note {
      font-size: 13px;
      color: rgba(255,255,255,0.5);
      margin-top: 24px;
      margin-bottom: 0;
    }

    /* ========== 内容未找到 ========== */
    .not-found {
      text-align: center;
      padding: 80px 24px 120px;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
    }
    .not-found i {
      font-size: 48px;
      color: var(--gold);
      margin-bottom: 20px;
    }
    .not-found h1 {
      font-size: 30px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--ink);
    }
    .not-found p {
      color: var(--ink-soft);
      margin-bottom: 28px;
    }

    /* ========== 页脚 ========== */
    .site-footer {
      background: var(--dark);
      color: rgba(255,255,255,0.7);
      padding: 72px 0 24px;
      border-top: 1px solid rgba(198,166,100,0.4);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .footer-brand .logo-text {
      color: #fff;
      font-size: 20px;
      font-weight: 700;
      letter-spacing: 0.06em;
      line-height: 1.2;
    }
    .footer-brand .logo-sub {
      display: block;
      font-size: 10px;
      letter-spacing: 0.2em;
      color: var(--gold);
      text-transform: uppercase;
      margin-top: 4px;
      font-family: var(--font-en);
    }
    .footer-brand p {
      font-size: 13px;
      color: var(--ink-faint);
      line-height: 1.7;
      margin-top: 14px;
      max-width: 260px;
    }
    .footer-col h5 {
      color: #fff;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 16px;
      margin-top: 0;
    }
    .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-col li {
      margin-bottom: 10px;
    }
    .footer-col a {
      color: var(--ink-faint);
      font-size: 14px;
      transition: color .2s ease;
    }
    .footer-col a:hover {
      color: var(--gold);
    }
    .footer-contact li {
      font-size: 14px;
      color: var(--ink-faint);
      line-height: 1.6;
    }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 24px;
      font-size: 13px;
      color: var(--ink-faint);
    }
    .footer-bottom a {
      color: var(--ink-faint);
      margin-left: 16px;
      transition: color .2s ease;
    }
    .footer-bottom a:hover {
      color: var(--gold);
    }

    /* ========== 淡入动效 ========== */
    .reveal {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity .5s ease, transform .5s ease;
    }
    .reveal.is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1024px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .article-detail {
        padding: 32px 28px;
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        height: 64px;
      }
      .page-banner {
        min-height: 260px;
        padding: 110px 0 48px;
      }
      .banner-title {
        font-size: 28px;
      }
      .article-title {
        font-size: 28px;
      }
      .related-section {
        padding: 56px 0;
      }
      .cta-section {
        padding: 64px 0;
      }
      .cta-inner h2 {
        font-size: 26px;
      }
      .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
      }
    }

    @media (max-width: 640px) {
      .header-inner {
        gap: 8px;
      }
      .menu-toggle {
        display: inline-flex;
      }
      .nav-left,
      .nav-right {
        display: none;
      }
      .site-header.menu-open .nav-left {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        background: rgba(22,24,29,0.98);
        padding: 96px 32px 20px;
        z-index: 110;
      }
      .site-header.menu-open .nav-right {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: rgba(22,24,29,0.98);
        padding: 20px 32px 32px;
        z-index: 110;
      }
      .site-header.menu-open .nav-left ul,
      .site-header.menu-open .nav-right ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
      }
      .site-header.menu-open .nav-left a,
      .site-header.menu-open .nav-right a:not(.btn) {
        color: #fff;
        font-size: 18px;
      }
      .site-header.menu-open .nav-right .btn {
        width: 100%;
        text-align: center;
      }

      .page-banner {
        min-height: 220px;
        padding: 100px 0 40px;
      }
      .banner-title {
        font-size: 24px;
      }
      .banner-sub {
        font-size: 14px;
      }
      .article-main {
        padding-top: 24px;
      }
      .article-detail {
        padding: 24px 20px;
        border-radius: 8px;
      }
      .article-title {
        font-size: 24px;
      }
      .article-content {
        font-size: 15px;
      }
      .article-pagination {
        flex-direction: column;
      }
      .page-link {
        max-width: 100%;
      }
      .next-link {
        text-align: left;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px 20px;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .footer-bottom a {
        margin: 0 8px;
      }
      .cta-section {
        padding: 56px 0;
      }
      .cta-inner h2 {
        font-size: 24px;
      }
      .btn-lg {
        padding: 14px 32px;
        font-size: 15px;
        width: 100%;
        max-width: 360px;
      }
    }

/* roulang page: category2 */
:root {
  --color-dark: #16181D;
  --color-gold: #C6A664;
  --color-gold-hover: #D8BC82;
  --color-bg: #F6F4EF;
  --color-bg-alt: #EEEAE2;
  --color-card: #FFFFFF;
  --color-text: #1E2127;
  --color-text-sub: #6B7280;
  --color-text-muted: #9CA3AF;
  --color-border: #E6E0D4;
  --color-border-hover: #D8D0BE;
  --radius-btn: 4px;
  --radius-card: 12px;
  --radius-tag: 999px;
  --shadow-card: 0 2px 8px rgba(22, 24, 29, 0.04);
  --shadow-card-hover: 0 12px 28px rgba(22, 24, 29, 0.08);
  --shadow-btn: 0 6px 16px rgba(198, 166, 100, 0.25);
  --shadow-dark: 0 16px 40px rgba(0, 0, 0, 0.25);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --space-section: 100px;
  --transition-base: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

.grid-container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(246, 244, 239, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(230, 224, 212, 0.6);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: rgba(246, 244, 239, 0.96);
  box-shadow: 0 4px 24px rgba(22, 24, 29, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  position: relative;
}

.nav-left ul,
.nav-right ul {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.nav-left a,
.nav-right a {
  display: inline-block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-text);
  border-radius: var(--radius-btn);
  position: relative;
  white-space: nowrap;
}

.nav-left a:hover,
.nav-right a:hover {
  color: var(--color-gold);
  background: rgba(198, 166, 100, 0.06);
}

.nav-left a.is-active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-gold);
  border-radius: 2px;
}

.site-logo {
  text-align: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 50%;
  margin-top: -24px;
}

.site-logo .logo-text {
  display: block;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text);
  line-height: 1.3;
  white-space: nowrap;
}

.site-logo .logo-sub {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  text-transform: uppercase;
  line-height: 1.2;
  white-space: nowrap;
}

.nav-right .btn-primary {
  margin-left: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 14px 32px;
  min-height: 44px;
  cursor: pointer;
  border: none;
  transition: var(--transition-base);
  min-width: 120px;
}

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

.btn-primary:hover {
  background: var(--color-gold-hover);
  color: var(--color-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-btn);
}

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

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
}

.btn-outline:hover {
  background: rgba(198, 166, 100, 0.08);
  color: var(--color-gold);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: #FFFFFF;
}

.btn-ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(198, 166, 100, 0.08);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
  min-height: 36px;
  min-width: auto;
}

.btn:focus,
.btn-outline:focus,
.btn-ghost:focus,
a:focus {
  outline: 2px solid rgba(198, 166, 100, 0.3);
  outline-offset: 2px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1101;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  border-radius: 2px;
  transition: var(--transition-base);
}

/* Hero */
.page-hero {
  position: relative;
  background: linear-gradient(120deg, rgba(22,24,29,0.88) 15%, rgba(22,24,29,0.55) 60%), url('/assets/images/backpic/back-2.webp') no-repeat center center;
  background-size: cover;
  padding: 180px 0 100px;
  margin-top: 0;
  min-height: 480px;
  display: flex;
  align-items: center;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(22,24,29,0.3) 0%, transparent 40%, rgba(22,24,29,0.2) 100%);
}

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

.hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 16px;
  font-weight: 600;
}

.page-hero h1 {
  font-size: 42px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.page-hero h1 .gold-text {
  color: var(--color-gold);
}

.page-hero .hero-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  line-height: 1.8;
  margin-bottom: 32px;
}

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

/* Section common */
.section {
  padding: var(--space-section) 0;
  position: relative;
}

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

.section-bg-white {
  background: var(--color-card);
}

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

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.section-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-sub);
  line-height: 1.8;
  max-width: 720px;
  margin-bottom: 40px;
}

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

.section-dark .section-desc {
  color: rgba(255,255,255,0.75);
}

/* Intro block */
.category-intro {
  display: flex;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
}

.intro-text {
  flex: 1 1 45%;
  min-width: 300px;
}

.intro-text .section-desc {
  margin-bottom: 20px;
}

.intro-feature-list {
  margin-top: 20px;
}

.intro-feature-list li {
  padding: 10px 0;
  font-size: 15px;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--color-border);
}

.intro-feature-list li:last-child {
  border-bottom: none;
}

.intro-feature-list li i {
  color: var(--color-gold);
  width: 20px;
  text-align: center;
  font-size: 14px;
}

.intro-image {
  flex: 1 1 45%;
  min-width: 300px;
  position: relative;
}

.intro-image img {
  width: 100%;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.intro-image .stat-strip {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(22,24,29,0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 10px;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #FFFFFF;
}

.intro-image .stat-strip .stat-item {
  text-align: center;
}

.intro-image .stat-strip .stat-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1.2;
}

.intro-image .stat-strip .stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.8);
}

/* Feature cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 20px;
}

.feature-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  padding: 36px 30px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
  opacity: 0;
  transition: var(--transition-base);
}

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

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

.feature-card .feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(198, 166, 100, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-gold);
  font-size: 22px;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text);
  letter-spacing: 0.01em;
  line-height: 1.4;
}

.feature-card p {
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 1.75;
  margin-bottom: 0;
}

/* News / Update list */
.news-list {
  max-width: 960px;
  margin: 0 auto;
}

.news-list-item {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-base);
}

.news-list-item:last-child {
  border-bottom: none;
}

.news-list-item:hover {
  padding-left: 12px;
}

.news-date {
  min-width: 110px;
  text-align: center;
  background: var(--color-bg-alt);
  border-radius: 10px;
  padding: 10px 14px;
  flex-shrink: 0;
}

.news-date .date-day {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1.2;
  display: block;
  font-feature-settings: "tnum";
}

.news-date .date-month {
  font-size: 12px;
  color: var(--color-text-sub);
  display: block;
  letter-spacing: 0.06em;
}

.news-content {
  flex: 1;
  min-width: 0;
}

.news-content .news-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--color-gold);
  border: 1px solid rgba(198,166,100,0.4);
  border-radius: var(--radius-tag);
  padding: 2px 12px;
  margin-bottom: 8px;
  background: rgba(198,166,100,0.06);
}

.news-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-content p {
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-link {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--color-gold);
  font-weight: 600;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-link i {
  transition: transform 0.25s ease;
}

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

/* Steps */
.steps-wrapper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 20px;
  position: relative;
}

.steps-wrapper::before {
  content: '';
  position: absolute;
  top: 44px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  display: none;
}

.step-item {
  text-align: center;
  padding: 24px 12px;
  position: relative;
}

.step-num {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-dark);
  color: var(--color-gold);
  font-size: 30px;
  font-weight: 700;
  position: relative;
  z-index: 2;
  border: 3px solid rgba(198,166,100,0.3);
  font-feature-settings: "tnum";
}

.step-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
}

.step-item p {
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.7;
  margin-bottom: 0;
}

/* FAQ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 8px 0;
  transition: var(--transition-base);
}

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

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 8px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-main);
  transition: var(--transition-base);
}

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

.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--color-gold);
  transition: var(--transition-base);
  flex-shrink: 0;
}

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

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

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

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

.faq-answer-inner p {
  margin-bottom: 0;
  background: var(--color-bg);
  padding: 16px 20px;
  border-radius: 8px;
}

/* CTA */
.cta-section {
  background: linear-gradient(120deg, rgba(22,24,29,0.85) 0%, rgba(22,24,29,0.7) 100%), url('/assets/images/backpic/back-3.png') no-repeat center center;
  background-size: cover;
  padding: 100px 0;
  text-align: center;
  position: relative;
}

.cta-section .grid-container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: 32px;
  color: #FFFFFF;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

.cta-section .cta-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  max-width: 620px;
  margin: 0 auto 32px;
  line-height: 1.75;
}

.cta-secure-note {
  margin-top: 20px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.02em;
}

/* Footer */
.site-footer {
  background: var(--color-dark);
  color: var(--color-text-muted);
  padding: 64px 0 0;
  position: relative;
  border-top: 1px solid rgba(198, 166, 100, 0.5);
}

.site-footer a {
  color: var(--color-text-muted);
  font-size: 14px;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .logo-text {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.06em;
  line-height: 1.4;
  margin-bottom: 4px;
}

.footer-brand .logo-sub {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.footer-col h5 {
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.footer-col ul {
  margin: 0;
  padding: 0;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li:last-child {
  margin-bottom: 0;
}

.footer-contact li {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.footer-bottom a {
  color: var(--color-text-muted);
  margin-left: 16px;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media screen and (max-width: 1024px) {
  .nav-left, .nav-right {
    display: none;
  }

  .menu-toggle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    height: 44px;
    width: 44px;
  }

  .site-logo {
    position: relative;
    left: auto;
    transform: none;
    top: auto;
    margin-top: 0;
  }

  .header-inner {
    justify-content: center;
  }

  .mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-dark);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

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

  .mobile-menu a {
    color: #FFFFFF;
    font-size: 20px;
    padding: 12px 24px;
    display: block;
    letter-spacing: 0.04em;
  }

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

  .mobile-menu .menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    color: #FFFFFF;
    font-size: 24px;
    background: none;
    border: none;
    cursor: pointer;
  }

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

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

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

@media screen and (max-width: 640px) {
  :root {
    --space-section: 56px;
  }

  .page-hero {
    padding: 140px 0 70px;
  }

  .page-hero h1 {
    font-size: 30px;
  }

  .page-hero .hero-desc {
    font-size: 15px;
  }

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

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

  .section-desc {
    font-size: 15px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .news-list-item {
    flex-direction: column;
    gap: 12px;
    padding: 24px 0;
    align-items: flex-start;
  }

  .news-date {
    min-width: auto;
    text-align: left;
    background: none;
    padding: 0;
    display: flex;
    align-items: baseline;
    gap: 8px;
  }

  .news-date .date-month {
    font-size: 14px;
  }

  .news-content h3 {
    font-size: 16px;
    white-space: normal;
  }

  .news-link {
    font-size: 13px;
  }

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

  .step-item {
    display: flex;
    align-items: center;
    text-align: left;
    gap: 20px;
  }

  .step-num {
    width: 60px;
    height: 60px;
    font-size: 24px;
    margin: 0;
    flex-shrink: 0;
  }

  .cta-section {
    padding: 70px 0;
  }

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

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

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

  .footer-bottom a {
    margin: 0 8px;
  }

  .category-intro {
    gap: 32px;
  }

  .intro-image .stat-strip {
    position: static;
    margin-top: 12px;
  }

  .intro-image .stat-strip {
    flex-wrap: wrap;
    gap: 12px;
  }
}

@media screen and (max-width: 400px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}