/* roulang page: index */
:root {
  --brand-900: #19332A;
  --brand-800: #1F3D2B;
  --brand-700: #26523C;
  --brand-600: #2F6B4A;
  --brand-500: #3E7A5B;
  --gold-500: #C89128;
  --gold-700: #9E6F1C;
  --cream-50: #F7F4EE;
  --ink-900: #20382D;
  --ink-500: #557263;
  --line: #E5DFD3;
  --success: #2F7D5B;
  --warning: #B45309;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 4px 20px rgba(25,51,42,0.06);
  --shadow-card-hover: 0 8px 32px rgba(25,51,42,0.12);
  --shadow-cta: 0 20px 60px rgba(25,51,42,0.18);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Source Han Sans SC", "Microsoft YaHei", "Inter", s梦;
  background: var(--cream-50);
  color: var(--ink-900);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-600); text-decoration: none; transition: color .2s; }
a:hover { color: var(--brand-700); }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3, h4 { font-weight: 700; color: var(--brand-900); line-height: 1.3; margin: 0; }
p { margin: 0; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: rgba(247,244,238,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.site-header.scrolled {
  box-shadow: 0 2px 16px rgba(25,51,42,0.08);
}
.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-left { display: flex; align-items: center; gap: 32px; }
.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--brand-900);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--brand-900);
  color: var(--gold-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0;
  flex-shrink: 0;
}
.logo-text { line-height: 1.2; }
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-500);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}
.nav-links a:hover { color: var(--brand-700); }
.nav-links a.active {
  color: var(--brand-900);
  font-weight: 600;
  border-bottom-color: var(--gold-500);
}
.header-right { display: flex; align-items: center; gap: 14px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  border-radius: 999px;
  padding: 9px 22px;
  border: none;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
  outline: none;
}
.btn:focus-visible { outline: 2px solid var(--gold-500); outline-offset: 3px; }
.btn-primary { background: var(--gold-500); color: var(--brand-900); }
.btn-primary:hover { background: var(--gold-700); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,145,40,.35); }
.btn-primary:active { transform: translateY(0) scale(.98); }
.btn-outline { background: transparent; border: 2px solid var(--brand-700); color: var(--brand-700); padding: 7px 20px; }
.btn-outline:hover { background: var(--brand-900); border-color: var(--brand-900); color: #fff; transform: translateY(-2px); }
.btn-white { background: #fff; color: var(--brand-900); }
.btn-white:hover { background: var(--gold-500); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,145,40,.3); }
.search-wrap { position: relative; }
.search-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ink-500);
  transition: all .2s;
  flex-shrink: 0;
}
.search-btn:hover { color: var(--brand-700); border-color: var(--brand-500); box-shadow: 0 2px 8px rgba(25,51,42,0.06); }
.search-bar {
  position: absolute;
  top: 52px;
  right: 0;
  width: 320px;
  padding: 14px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(25,51,42,0.12);
  border: 1px solid var(--line);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all .2s;
  z-index: 110;
}
.search-bar.open { opacity: 1; visibility: visible; transform: translateY(0); }
.search-bar input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}
.search-bar input:focus { border-color: var(--gold-500); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { width: 22px; height: 2px; background: var(--brand-900); border-radius: 2px; transition: all .3s; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 32px rgba(25,51,42,0.12);
  padding: 20px 24px 24px;
  display: none;
  flex-direction: column;
  gap: 12px;
  z-index: 99;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-900);
  background: var(--cream-50);
}
.mobile-menu a.active { background: var(--brand-900); color: #fff; }
.mobile-menu .btn { justify-content: center; margin-top: 4px; }

/* Hero */
.hero {
  position: relative;
  padding: 64px 0 72px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: linear-gradient(135deg, rgba(200,145,40,0.04) 0%, rgba(200,145,40,0.02) 50%, transparent 100%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 40px; align-items: center; }
.hero-content { padding-top: 24px; }
.hero-content h1 {
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--brand-900);
  line-height: 1.15;
  margin-bottom: 16px;
}
.hero-subtitle {
  font-size: 16px;
  color: var(--ink-500);
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 440px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-trust { display: flex; gap: 20px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-500); }
.trust-item svg { width: 16px; height: 16px; color: var(--gold-500); flex-shrink: 0; }

.hero-visual {
  position: relative;
  border-radius: 32px;
  height: 440px;
  background: linear-gradient(135deg, #1F3D2B 0%, #26523C 45%, #3E7A5B 100%);
  overflow: hidden;
  box-shadow: var(--shadow-cta);
}
.hero-visual-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.3;
}
.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(25,51,42,0.85) 0%, rgba(38,82,60,0.6) 50%, rgba(62,122,91,0.4) 100%);
}
.hero-flow {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 24px;
  padding: 40px;
}
.flow-node {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 16px;
  padding: 14px 24px;
  width: 260px;
}
.flow-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gold-500);
  color: var(--brand-900);
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.flow-label { color: #fff; font-size: 15px; font-weight: 500; }
.flow-line {
  width: 2px;
  height: 24px;
  background: rgba(255,255,255,0.4);
  margin-left: 13px;
}
.hero-badge {
  position: absolute;
  z-index: 3;
  background: #fff;
  border-radius: 16px;
  padding: 10px 18px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  font-size: 13px;
  color: var(--ink-500);
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-badge strong { font-size: 22px; font-weight: 800; color: var(--gold-700); }
.hero-badge-1 { top: 32px; right: 24px; }
.hero-badge-2 { bottom: 32px; left: 24px; }

/* Stats */
.stats-section { padding: 56px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  transition: box-shadow .3s, transform .3s;
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-500), transparent);
}
.stat-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.stat-card strong { font-size: 30px; font-weight: 800; color: var(--gold-700); display: block; margin-bottom: 4px; letter-spacing: -0.02em; }
.stat-card span { font-size: 13px; color: var(--ink-500); }

/* Steps */
.steps-section { padding: 80px 0; background: #fff; }
.section-title { font-size: 34px; margin-bottom: 8px; letter-spacing: -0.02em; }
.section-subtitle { font-size: 15px; color: var(--ink-500); margin-bottom: 48px; }
.steps-s { position: relative; display: flex; justify-content: space-between; align-items: flex-start; margin-top: 20px; }
.step-item { flex: 1; max-width: 300px; text-align: center; padding: 32px 24px; position: relative; }
.step-item.step-2 { margin-top: 40px; }
.step-badge {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-500), var(--gold-700));
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 6px 20px rgba(200,145,40,0.3);
  position: relative;
}
.step-badge::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 10px;
  background: rgba(158,111,28,0.25);
  border-radius: 0 0 12px 12px;
}
.step-item h3 { font-size: 20px; margin-bottom: 10px; }
.step-item p { font-size: 14px; color: var(--ink-500); line-height: 1.7; }
.step-connector {
  position: absolute;
  top: 50px;
  border-top: 2px dashed var(--gold-500);
  opacity: 0.5;
  width: 60px;
  z-index: 0;
}
.connector-1 { left: calc(50% + 50px); right: calc(50% + 50px); }
.step-connector-line { display: none; }

/* Cases */
.cases-section { padding: 80px 0; background: var(--cream-50); }
.cases-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.case-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow .3s, transform .3s;
}
.case-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-4px); }
.case-cover { width: 100%; height: 200px; object-fit: cover; display: block; }
.case-body { padding: 28px; }
.case-body h3 { font-size: 20px; margin-bottom: 8px; }
.case-body p { font-size: 14px; color: var(--ink-500); margin-bottom: 18px; line-height: 1.7; }
.case-metrics { display: flex; gap: 12px; flex-wrap: wrap; }
.metric-badge {
  background: linear-gradient(135deg, rgba(200,145,40,0.12), rgba(200,145,40,0.06));
  border: 1px solid rgba(200,145,40,0.3);
  border-radius: 12px;
  padding: 10px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
}
.metric-badge strong { font-size: 24px; font-weight: 800; color: var(--gold-700); line-height: 1.2; }
.metric-badge span { font-size: 12px; color: var(--ink-500); margin-top: 2px; }

/* Latest */
.latest-section { padding: 80px 0; background: #fff; }
.latest-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.latest-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: box-shadow .3s, transform .3s;
  display: flex;
  flex-direction: column;
}
.latest-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.latest-time { font-size: 13px; color: var(--gold-700); margin-bottom: 8px; display: block; }
.latest-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.latest-card p { font-size: 14px; color: var(--ink-500); line-height: 1.6; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.latest-label {
  display: inline-block;
  font-size: 12px;
  color: var(--brand-900);
  background: rgba(62,122,91,0.12);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 12px;
  font-weight: 500;
}
.latest-link { font-size: 14px; font-weight: 600; color: var(--brand-600); display: inline-flex; align-items: center; gap: 4px; }
.latest-link:hover { color: var(--brand-900); gap: 8px; }
.latest-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  color: var(--ink-500);
  font-size: 15px;
}
.latest-empty svg { width: 48px; height: 48px; margin: 0 auto 16px; color: var(--brand-500); opacity: 0.5; }

/* FAQ */
.faq-section { padding: 80px 0; background: var(--cream-50); }
.faq-wrap { max-width: 720px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .2s;
}
.faq-item:hover { box-shadow: var(--shadow-card); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
  gap: 16px;
  outline: none;
}
.faq-question:focus-visible { outline: 2px solid var(--gold-500); outline-offset: -2px; border-radius: var(--radius-md); }
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(200,145,40,0.12);
  color: var(--gold-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  transition: transform .3s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-answer-inner { padding: 0 24px 20px; font-size: 14px; color: var(--ink-500); line-height: 1.75; }

/* CTA */
.cta-section { padding: 80px 0 100px; background: var(--cream-50); position: relative; }
.cta-card {
  background: linear-gradient(135deg, #19332A 0%, #26523C 55%, #C89128 140%);
  border-radius: 32px;
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-cta);
}
.cta-card h2 { color: #fff; font-size: 34px; margin-bottom: 12px; letter-spacing: -0.02em; }
.cta-card p { color: rgba(255,255,255,0.75); font-size: 15px; margin-bottom: 32px; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-badges { display: flex; justify-content: center; gap: 16px; margin-bottom: 28px; }
.cta-badge {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 12px;
  padding: 10px 18px;
  color: #fff;
  font-size: 13px;
}
.cta-badge strong { display: block; font-size: 24px; font-weight: 800; color: var(--gold-500); }

/* Footer */
.site-footer { background: var(--brand-900); color: rgba(247,244,238,0.7); padding-top: 56px; position: relative; }
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-500), transparent);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-brand .logo-icon { background: rgba(255,255,255,0.1); color: var(--gold-500); }
.footer-brand p { font-size: 13px; line-height: 1.7; max-width: 260px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; }
.footer-col a {
  display: block;
  color: rgba(247,244,238,0.6);
  font-size: 14px;
  padding: 5px 0;
  transition: color .2s, padding-left .2s;
}
.footer-col a:hover { color: var(--gold-500); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(247,244,238,0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(247,244,238,0.5);
}

/* Section breathing */
.breathe-zone { padding: 60px 0; background: transparent; }

/* Focus visible */
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--gold-500); outline-offset: 2px; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-content h1 { font-size: 44px; }
  .hero-grid { gap: 24px; }
  .steps-s { flex-direction: column; align-items: center; gap: 40px; }
  .step-item.step-2 { margin-top: 0; }
  .step-connector { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links, .header-right .btn, .header-right .search-wrap { display: none; }
  .hamburger { display: flex; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 56px; }
  .hero-content h1 { font-size: 36px; }
  .hero-visual { height: 320px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .cases-grid { grid-template-columns: 1fr; }
  .latest-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 28px; }
  .cta-card { padding: 40px 24px; }
  .cta-badges { flex-direction: column; align-items: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-flow { padding: 24px; gap: 18px; }
  .flow-node { width: 220px; padding: 12px 18px; }
  .hero-badge-1 { top: 16px; right: 12px; }
  .hero-badge-2 { bottom: 16px; left: 12px; padding: 8px 14px; }
  .hero-badge strong { font-size: 18px; }
  .container { padding: 0 16px; }
  .btn { padding: 8px 16px; font-size: 14px; }
  .logo-text { font-size: 17px; }
  .stats-section { padding: 40px 0; }
  .steps-section, .cases-section, .latest-section, .faq-section, .cta-section { padding: 56px 0; }
  .breathe-zone { padding: 40px 0; }
}
@media (max-width: 480px) {
  .hero-content h1 { font-size: 32px; }
  .hero-subtitle { font-size: 14px; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .metric-badge { min-width: 70px; padding: 8px 12px; }
  .metric-badge strong { font-size: 20px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-card h2 { font-size: 28px; }
  .cta-card p { font-size: 14px; }
}

/* roulang page: category1 */
:root {
    --brand-900: #19332A;
    --brand-700: #26523C;
    --brand-500: #3E7A5B;
    --brand-600: #2F6B4A;
    --gold-500: #C89128;
    --gold-700: #9E6F1C;
    --cream-50: #F7F4EE;
    --white: #FFFFFF;
    --ink-900: #20382D;
    --ink-500: #557263;
    --line: #E5DFD3;
    --success: #2F7D5B;
    --warning: #B45309;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --shadow-sm: 0 2px 12px rgba(25, 51, 42, 0.06);
    --shadow-md: 0 4px 20px rgba(25, 51, 42, 0.08);
    --shadow-lg: 0 8px 32px rgba(25, 51, 42, 0.12);
    --shadow-cta: 0 20px 60px rgba(25, 51, 42, 0.18);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background: var(--cream-50);
    color: var(--ink-500);
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    color: var(--brand-600);
    text-decoration: none;
    transition: color 0.2s ease;
  }
  a:hover {
    color: var(--brand-700);
  }

  button {
    cursor: pointer;
    font-family: inherit;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }

  @media (max-width: 768px) {
    .container {
      padding: 0 16px;
    }
  }

  /* ===== Header ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 64px;
    background: rgba(247, 244, 238, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    transition: box-shadow 0.3s ease, background 0.3s ease;
  }
  .site-header.scrolled {
    background: rgba(247, 244, 238, 0.93);
    box-shadow: 0 2px 16px rgba(25, 51, 42, 0.08);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 24px;
  }
  .header-left {
    display: flex;
    align-items: center;
    gap: 32px;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
  }
  .logo-icon {
    width: 36px;
    height: 36px;
    background: var(--brand-900);
    color: var(--gold-500);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -0.02em;
    flex-shrink: 0;
  }
  .logo-text {
    font-size: 18px;
    font-weight: 800;
    color: var(--brand-900);
    letter-spacing: -0.01em;
    white-space: nowrap;
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .nav-links a {
    position: relative;
    display: inline-block;
    padding: 8px 14px;
    font-size: 15px;
    font-weight: 500;
    color: var(--ink-500);
    text-decoration: none;
    border-radius: 8px;
    transition: color 0.2s ease, background-color 0.2s ease;
  }
  .nav-links a:hover {
    color: var(--brand-700);
    background: rgba(62, 122, 91, 0.08);
  }
  .nav-links a.active {
    color: var(--brand-900);
    font-weight: 600;
  }
  .nav-links a.active::after {
    content: '';
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 2px;
    height: 2px;
    background: var(--gold-500);
    border-radius: 2px;
  }
  .header-right {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: transparent;
    color: var(--ink-500);
    transition: all 0.2s ease;
  }
  .icon-btn:hover {
    background: var(--white);
    border-color: var(--gold-500);
    color: var(--gold-700);
    box-shadow: var(--shadow-sm);
  }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 999px;
    text-decoration: none;
    transition: all 0.25s ease;
    line-height: 1.4;
    white-space: nowrap;
  }
  .btn:focus-visible {
    outline: 2px solid var(--gold-500);
    outline-offset: 3px;
  }
  .btn-primary {
    background: var(--gold-500);
    color: var(--brand-900);
    border: 1px solid var(--gold-500);
  }
  .btn-primary:hover {
    background: var(--gold-700);
    border-color: var(--gold-700);
    color: var(--brand-900);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200, 145, 40, 0.3);
  }
  .btn-outline {
    background: transparent;
    color: var(--brand-700);
    border: 2px solid var(--brand-700);
  }
  .btn-outline:hover {
    background: var(--brand-900);
    color: var(--white);
    border-color: var(--brand-900);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }
  .btn-white {
    background: var(--white);
    color: var(--brand-900);
    border: 1px solid var(--white);
  }
  .btn-white:hover {
    background: var(--gold-500);
    border-color: var(--gold-500);
    color: var(--brand-900);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(200, 145, 40, 0.35);
  }
  .menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 10px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: background 0.2s ease;
  }
  .menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--brand-900);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .search-box-wrap {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s ease;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(247, 244, 238, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    z-index: 99;
  }
  .search-box-wrap.open {
    max-height: 76px;
  }
  .search-box-inner {
    padding: 14px 24px;
    display: flex;
    gap: 12px;
    max-width: 1200px;
    margin: 0 auto;
  }
  .search-box-inner input {
    flex: 1;
    padding: 10px 18px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--white);
    font-size: 14px;
    color: var(--ink-900);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }
  .search-box-inner input:focus {
    border-color: var(--gold-500);
    box-shadow: 0 0 0 4px rgba(200, 145, 40, 0.15);
  }
  .search-box-inner button {
    padding: 10px 24px;
    border-radius: 999px;
    background: var(--brand-900);
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    border: none;
    transition: background 0.2s ease;
  }
  .search-box-inner button:hover {
    background: var(--brand-700);
  }

  /* ===== Breadcrumb ===== */
  .breadcrumb-bar {
    background: rgba(255, 255, 255, 0.6);
    border-bottom: 1px solid var(--line);
    padding: 12px 0;
  }
  .breadcrumb-bar .container {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--ink-500);
  }
  .breadcrumb-bar a {
    color: var(--brand-600);
    text-decoration: none;
  }
  .breadcrumb-bar a:hover {
    color: var(--gold-700);
  }
  .breadcrumb-bar svg {
    width: 14px;
    height: 14px;
    color: var(--line);
  }
  .breadcrumb-bar .current {
    color: var(--ink-900);
    font-weight: 500;
  }

  /* ===== Category Hero ===== */
  .cat-hero {
    position: relative;
    padding: 60px 0 48px;
    overflow: hidden;
  }
  .cat-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, rgba(200, 145, 40, 0.06), transparent);
    pointer-events: none;
  }
  .cat-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }
  .cat-hero-content {
    padding-right: 24px;
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(62, 122, 91, 0.10);
    color: var(--brand-700);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
  }
  .hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--gold-500);
    border-radius: 50%;
  }
  .cat-hero h1 {
    font-size: 44px;
    font-weight: 800;
    color: var(--brand-900);
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
  }
  .cat-hero .subtitle {
    font-size: 16px;
    color: var(--ink-500);
    line-height: 1.8;
    margin-bottom: 28px;
    max-width: 460px;
  }
  .hero-cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
  }
  .trust-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
  }
  .trust-row .mini-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--ink-500);
    background: var(--white);
    border: 1px solid var(--line);
    padding: 6px 14px;
    border-radius: 999px;
  }
  .trust-row .mini-badge svg {
    width: 14px;
    height: 14px;
    color: var(--gold-700);
  }
  .cat-hero-visual {
    position: relative;
    height: 320px;
    border-radius: 24px;
    overflow: hidden;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow-lg);
  }
  .cat-hero-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(25, 51, 42, 0.35), rgba(25, 51, 42, 0.15));
    z-index: 1;
  }
  .visual-overlay-card {
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: 24px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    border-radius: 16px;
    padding: 16px 20px;
    z-index: 2;
    box-shadow: 0 8px 24px rgba(25, 51, 42, 0.15);
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .overlay-card-icon {
    width: 44px;
    height: 44px;
    background: var(--brand-900);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--gold-500);
  }
  .overlay-card-text {
    flex: 1;
  }
  .overlay-card-text strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--brand-900);
    margin-bottom: 2px;
  }
  .overlay-card-text span {
    font-size: 13px;
    color: var(--ink-500);
    line-height: 1.5;
  }
  .visual-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 2;
    background: var(--gold-500);
    color: var(--brand-900);
    font-size: 13px;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: 999px;
    box-shadow: 0 6px 20px rgba(200, 145, 40, 0.3);
    display: flex;
    align-items: center;
    gap: 6px;
  }

  /* ===== Stats Bar ===== */
  .stats-bar {
    background: var(--white);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 28px 0;
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
  }
  .stat-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--gold-700);
    line-height: 1.2;
    letter-spacing: -0.02em;
    white-space: nowrap;
  }
  .stat-label {
    font-size: 13px;
    color: var(--ink-500);
    line-height: 1.4;
  }

  /* ===== Section Common ===== */
  .section-pad {
    padding: 80px 0;
  }
  .section-pad-sm {
    padding: 56px 0;
  }
  .section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
  }
  .section-head h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--brand-900);
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
  }
  .section-head p {
    font-size: 15px;
    color: var(--ink-500);
    line-height: 1.7;
  }
  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gold-700);
    background: rgba(200, 145, 40, 0.10);
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
  }

  /* ===== Prep Section ===== */
  .prep-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
  }
  .prep-image-wrap {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
  }
  .prep-image-wrap img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 24px;
  }
  .prep-image-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    border-radius: 14px;
    padding: 14px 18px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .prep-image-badge svg {
    width: 20px;
    height: 20px;
    color: var(--success);
  }
  .prep-image-badge strong {
    font-size: 14px;
    color: var(--brand-900);
    display: block;
    line-height: 1.3;
  }
  .prep-image-badge span {
    font-size: 12px;
    color: var(--ink-500);
  }
  .prep-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--brand-900);
    margin-bottom: 16px;
    line-height: 1.4;
  }
  .prep-content .lead {
    font-size: 15px;
    color: var(--ink-500);
    margin-bottom: 24px;
  }
  .prep-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .prep-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 18px 20px;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
  }
  .prep-list li:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }
  .prep-list .check-icon {
    width: 28px;
    height: 28px;
    background: rgba(47, 125, 91, 0.12);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
  }
  .prep-list .check-icon svg {
    width: 14px;
    height: 14px;
    color: var(--success);
  }
  .prep-list strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink-900);
    margin-bottom: 2px;
  }
  .prep-list p {
    font-size: 13px;
    color: var(--ink-500);
    line-height: 1.6;
  }

  /* ===== Info Cards ===== */
  .info-cards-section {
    background: var(--white);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  .info-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .info-card {
    background: var(--cream-50);
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 32px 28px;
    text-align: center;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
  }
  .info-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
  }
  .info-card-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #19332A, #26523C);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-500);
    position: relative;
  }
  .info-card-icon::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 6px;
    background: rgba(200, 145, 40, 0.3);
    border-radius: 0 0 8px 8px;
  }
  .info-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--brand-900);
    margin-bottom: 12px;
  }
  .info-card p {
    font-size: 14px;
    color: var(--ink-500);
    line-height: 1.7;
  }

  /* ===== Process Steps ===== */
  .process-section {
    position: relative;
    overflow: hidden;
  }
  .process-section::before {
    content: '';
    position: absolute;
    right: -120px;
    top: 80px;
    width: 400px;
    height: 400px;
    background: rgba(200, 145, 40, 0.06);
    border-radius: 50%;
  }
  .steps-container {
    position: relative;
    max-width: 960px;
    margin: 0 auto;
  }
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    position: relative;
  }
  .steps-grid::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 10%;
    right: 10%;
    height: 2px;
    border-top: 2px dashed rgba(200, 145, 40, 0.45);
    z-index: 0;
  }
  .step-item {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 12px;
  }
  .step-number {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, #C89128, #9E6F1C);
    color: var(--white);
    font-size: 22px;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(200, 145, 40, 0.3);
    position: relative;
  }
  .step-number::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 6px;
    background: rgba(158, 111, 28, 0.35);
    border-radius: 0 0 8px 8px;
  }
  .step-item h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--brand-900);
    margin-bottom: 8px;
  }
  .step-item p {
    font-size: 13px;
    color: var(--ink-500);
    line-height: 1.6;
  }
  .step-item:nth-child(even) {
    transform: translateY(24px);
  }

  /* ===== FAQ ===== */
  .faq-section {
    background: var(--cream-50);
  }
  .faq-list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .faq-item {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 16px;
    overflow: hidden;
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
  }
  .faq-item.open {
    border-color: rgba(200, 145, 40, 0.4);
    box-shadow: var(--shadow-sm);
  }
  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    background: transparent;
    border: none;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink-900);
    transition: color 0.2s ease;
  }
  .faq-question:hover {
    color: var(--brand-700);
  }
  .faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--gold-500);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-700);
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
    transition: all 0.3s ease;
  }
  .faq-item.open .faq-icon {
    background: var(--gold-500);
    color: var(--white);
    transform: rotate(45deg);
  }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
  }
  .faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--ink-500);
    line-height: 1.75;
  }

  /* ===== CTA ===== */
  .cta-section {
    padding: 80px 0;
    background: var(--cream-50);
  }
  .cta-card {
    position: relative;
    background: linear-gradient(135deg, #19332A 0%, #26523C 55%, #3E7A5B 130%);
    border-radius: 32px;
    padding: 56px 48px;
    text-align: center;
    box-shadow: var(--shadow-cta);
    overflow: hidden;
  }
  .cta-card::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 240px;
    height: 240px;
    background: rgba(200, 145, 40, 0.15);
    border-radius: 50%;
  }
  .cta-card::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 180px;
    height: 180px;
    background: rgba(200, 145, 40, 0.10);
    border-radius: 50%;
  }
  .cta-card .cta-inner {
    position: relative;
    z-index: 2;
  }
  .cta-card h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 14px;
    line-height: 1.3;
  }
  .cta-card .cta-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.75);
    max-width: 480px;
    margin: 0 auto 28px;
    line-height: 1.7;
  }
  .cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
  }
  .cta-note {
    margin-top: 16px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
  }
  .cta-badges {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 28px;
    flex-wrap: wrap;
  }
  .cta-badge {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    font-size: 13px;
    padding: 6px 16px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .cta-badge svg {
    width: 14px;
    height: 14px;
    color: var(--gold-500);
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--brand-900);
    color: rgba(247, 244, 238, 0.8);
    padding: 64px 0 0;
  }
  .site-footer .container {
    max-width: 1200px;
  }
  .footer-top-bar {
    border-top: 1px solid rgba(62, 122, 91, 0.3);
    padding-top: 4px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 48px;
    padding: 24px 0 48px;
  }
  .footer-brand .logo {
    margin-bottom: 16px;
  }
  .footer-brand .logo-icon {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--gold-500);
  }
  .footer-brand .logo-text {
    color: var(--cream-50);
  }
  .footer-brand p {
    font-size: 13px;
    line-height: 1.8;
    color: rgba(247, 244, 238, 0.6);
    max-width: 280px;
  }
  .footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--cream-50);
    margin-bottom: 16px;
  }
  .footer-col a {
    display: block;
    font-size: 14px;
    color: rgba(247, 244, 238, 0.65);
    padding: 4px 0;
    line-height: 1.8;
    text-decoration: none;
    transition: color 0.2s ease, padding-left 0.2s ease;
  }
  .footer-col a:hover {
    color: var(--gold-500);
    padding-left: 4px;
  }
  .footer-bottom {
    border-top: 1px solid rgba(62, 122, 91, 0.25);
    padding: 24px 0 32px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
    color: rgba(247, 244, 238, 0.5);
  }
  .footer-line {
    height: 3px;
    background: linear-gradient(90deg, var(--gold-500), transparent 80%);
    width: 80px;
    margin-bottom: 8px;
    border-radius: 3px;
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .steps-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }
    .steps-grid::before {
      display: none;
    }
    .step-item:nth-child(even) {
      transform: none;
    }
    .prep-grid {
      gap: 40px;
    }
  }

  @media (max-width: 768px) {
    .nav-links {
      display: none;
    }
    .menu-toggle {
      display: flex;
    }
    .header-right .btn-outline {
      display: none;
    }
    .cat-hero-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .cat-hero-content {
      padding-right: 0;
    }
    .cat-hero h1 {
      font-size: 32px;
    }
    .cat-hero-visual {
      height: 260px;
    }
    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }
    .prep-grid {
      grid-template-columns: 1fr;
    }
    .prep-image-wrap img {
      height: 260px;
    }
    .info-cards-grid {
      grid-template-columns: 1fr;
    }
    .footer-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }
    .section-pad {
      padding: 48px 0;
    }
    .section-head h2 {
      font-size: 26px;
    }
    .cta-card {
      padding: 40px 24px;
      border-radius: 24px;
    }
    .cta-card h2 {
      font-size: 26px;
    }
  }

  @media (max-width: 520px) {
    .header-right .btn-primary {
      display: none;
    }
    .cat-hero h1 {
      font-size: 28px;
    }
    .hero-cta-group .btn {
      width: 100%;
    }
    .cat-hero-visual {
      height: 220px;
    }
    .visual-overlay-card {
      left: 16px;
      right: 16px;
      bottom: 16px;
    }
    .stat-number {
      font-size: 22px;
    }
    .stats-grid {
      gap: 12px;
    }
    .footer-grid {
      grid-template-columns: 1fr;
    }
    .steps-grid {
      grid-template-columns: 1fr;
    }
    .step-item:nth-child(even) {
      transform: none;
    }
    .search-box-inner {
      padding: 12px 16px;
    }
  }

  /* ===== Mobile Menu ===== */
  .mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(247, 244, 238, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    padding: 20px 24px;
    z-index: 99;
    box-shadow: var(--shadow-lg);
  }
  .mobile-menu.open {
    display: block;
  }
  .mobile-menu a {
    display: block;
    padding: 10px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--ink-500);
    text-decoration: none;
    border-bottom: 1px solid rgba(229, 223, 211, 0.6);
  }
  .mobile-menu a:last-child {
    border-bottom: none;
  }
  .mobile-menu a.active {
    color: var(--brand-900);
    font-weight: 600;
  }
  .mobile-menu .mobile-auth {
    display: flex;
    gap: 12px;
    margin-top: 16px;
  }
  .mobile-menu .mobile-auth .btn {
    flex: 1;
    justify-content: center;
    font-size: 14px;
    padding: 10px 16px;
  }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --brand-900: #19332A;
            --brand-700: #26523C;
            --brand-600: #2F6B4A;
            --brand-500: #3E7A5B;
            --gold-500: #C89128;
            --gold-700: #9E6F1C;
            --cream-50: #F7F4EE;
            --ink-900: #20382D;
            --ink-500: #557263;
            --line: #E5DfD3;
            --shadow-card: 0 4px 20px rgba(25, 51, 42, 0.06);
            --shadow-card-hover: 0 8px 32px rgba(25, 51, 42, 0.12);
            --shadow-cta: 0 20px 60px rgba(25, 51, 42, 0.18);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Source Han Sans SC', 'Microsoft YaHei', 'Inter', 'Arial', sans-serif;
            background-color: var(--cream-50);
            color: var(--ink-900);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--brand-600);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--brand-900);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            border-radius: 9999px;
            padding: 10px 22px;
            font-size: 15px;
            transition: all .25s ease;
            border: none;
            cursor: pointer;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--gold-500);
            color: var(--brand-900);
        }
        .btn-primary:hover {
            background: var(--gold-700);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(158, 111, 28, .3);
        }
        .btn-primary:active {
            transform: translateY(0) scale(.98);
        }
        .btn-primary:focus-visible,
        .btn-outline:focus-visible,
        .btn-white:focus-visible {
            outline: 2px solid var(--gold-500);
            outline-offset: 3px;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--brand-700);
            color: var(--brand-700);
        }
        .btn-outline:hover {
            background: var(--brand-900);
            border-color: var(--brand-900);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0) scale(.98);
        }
        .btn-white {
            background: #fff;
            color: var(--brand-900);
        }
        .btn-white:hover {
            background: var(--gold-500);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
        }
        .btn-white:active {
            transform: translateY(0) scale(.98);
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            height: 64px;
            background: rgba(247, 244, 238, .85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(25, 51, 42, .08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--brand-900);
            letter-spacing: -.02em;
            white-space: nowrap;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--brand-900);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: 40px;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--ink-500);
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: color .2s, border-color .2s;
        }
        .nav-links a:hover {
            color: var(--brand-900);
        }
        .nav-links a.active {
            color: var(--brand-900);
            font-weight: 600;
            border-bottom-color: var(--gold-500);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            color: var(--brand-900);
        }
        .mobile-menu-btn:hover {
            background: rgba(25, 51, 42, .08);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            background: rgba(255, 255, 255, .6);
            border-bottom: 1px solid var(--line);
            height: 48px;
            display: flex;
            align-items: center;
            font-size: 14px;
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow: hidden;
            white-space: nowrap;
        }
        .breadcrumb-bar a {
            color: var(--ink-500);
        }
        .breadcrumb-bar a:hover {
            color: var(--brand-900);
        }
        .breadcrumb-bar span {
            color: var(--ink-500);
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== 文章卡片 ===== */
        .article-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            padding: 48px;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--line);
        }
        .article-header h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--brand-900);
            line-height: 1.3;
            letter-spacing: -.02em;
            margin-bottom: 20px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            font-size: 14px;
            color: var(--ink-500);
            flex-wrap: wrap;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-label {
            padding: 2px 12px;
            background: rgba(62, 122, 91, .12);
            color: var(--brand-500);
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 600;
        }

        /* ===== 正文排版 ===== */
        .article-content {
            max-width: 760px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink-500);
            word-break: break-word;
        }
        .article-content p {
            margin-bottom: 1.2em;
        }
        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--brand-900);
            margin: 2em 0 .8em;
            line-height: 1.3;
        }
        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--brand-900);
            margin: 1.8em 0 .6em;
            line-height: 1.4;
        }
        .article-content ul,
        .article-content ol {
            margin: 1em 0 1.2em 1.5em;
        }
        .article-content li {
            margin-bottom: .4em;
        }
        .article-content ul {
            list-style: disc;
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content blockquote {
            border-left: 4px solid var(--gold-500);
            padding: 8px 20px;
            margin: 1.5em 0;
            background: rgba(200, 145, 40, .06);
            border-radius: 0 12px 12px 0;
            color: var(--ink-900);
            font-weight: 500;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5em 0;
        }
        .article-content a {
            color: var(--brand-600);
            text-decoration: underline;
        }
        .article-content a:hover {
            color: var(--brand-900);
        }
        .article-content strong {
            color: var(--ink-900);
            font-weight: 600;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 14px;
        }
        .article-content th,
        .article-content td {
            border: 1px solid var(--line);
            padding: 10px 12px;
            text-align: left;
        }
        .article-content th {
            background: rgba(62, 122, 91, .08);
            font-weight: 600;
            color: var(--brand-900);
        }
        .article-content code {
            background: rgba(25, 51, 42, .06);
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 14px;
            font-family: monospace;
        }
        .article-content pre {
            background: var(--brand-900);
            color: var(--cream-50);
            padding: 20px;
            border-radius: 12px;
            margin: 1.5em 0;
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.6;
        }

        /* ===== 标签 ===== */
        .article-tags {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--line);
        }
        .tag {
            padding: 4px 14px;
            background: rgba(62, 122, 91, .1);
            color: var(--brand-600);
            border-radius: 9999px;
            font-size: 13px;
            font-weight: 500;
        }

        /* ===== 上一篇 / 下一篇 ===== */
        .article-nav {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid var(--line);
            font-size: 14px;
        }
        .article-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--ink-500);
            font-weight: 500;
            transition: color .2s;
        }
        .article-nav a:hover {
            color: var(--brand-900);
        }
        .article-nav .next {
            text-align: right;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            margin-top: 60px;
        }
        .related-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--brand-900);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 24px;
        }
        .related-card {
            display: block;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .related-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card-body {
            padding: 16px 18px;
        }
        .related-card-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--brand-900);
            line-height: 1.5;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-body p {
            font-size: 13px;
            color: var(--ink-500);
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .back-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-600);
            transition: color .2s;
        }
        .back-link:hover {
            color: var(--brand-900);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #19332A 0%, #26523C 55%, #C89128 140%);
            border-radius: 32px;
            padding: 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-cta);
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -.02em;
        }
        .cta-section p {
            color: rgba(255, 255, 255, .75);
            font-size: 15px;
            max-width: 480px;
            margin: 0 auto 24px;
        }
        .cta-badge {
            position: absolute;
            top: 20px;
            right: 24px;
            background: rgba(255, 255, 255, .15);
            border-radius: 12px;
            padding: 8px 14px;
            font-size: 13px;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== 空态 ===== */
        .empty-state {
            text-align: center;
            padding: 60px 20px;
        }
        .empty-state .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(62, 122, 91, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .empty-state h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--brand-900);
            margin-bottom: 8px;
        }
        .empty-state p {
            font-size: 14px;
            color: var(--ink-500);
        }
        .empty-state .btn-empty {
            display: inline-block;
            margin-top: 16px;
            padding: 10px 24px;
            background: var(--brand-900);
            color: #fff;
            border-radius: 9999px;
            font-size: 14px;
            font-weight: 600;
            transition: all .2s;
        }
        .empty-state .btn-empty:hover {
            background: var(--brand-700);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--brand-900);
            color: rgba(247, 244, 238, .85);
            padding: 56px 0 24px;
            margin-top: 80px;
            border-top: 2px solid rgba(200, 145, 40, .3);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .logo-icon {
            background: var(--gold-500);
            color: var(--brand-900);
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(247, 244, 238, .65);
            line-height: 1.8;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(247, 244, 238, .65);
            margin-bottom: 10px;
            transition: color .2s;
        }
        .footer-col a:hover {
            color: var(--gold-500);
        }
        .footer-bottom {
            border-top: 1px solid rgba(200, 145, 40, .2);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(247, 244, 238, .5);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 20px;
                margin-left: 24px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--cream-50);
                border-bottom: 1px solid var(--line);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px;
                gap: 16px;
                box-shadow: 0 10px 30px rgba(25, 51, 42, .08);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .header-right .btn {
                padding: 8px 16px;
                font-size: 14px;
            }
            .header-right .btn-outline {
                display: none;
            }
            .article-card {
                padding: 24px 20px;
                border-radius: var(--radius-md);
            }
            .article-header h1 {
                font-size: 26px;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 32px 20px;
                border-radius: 24px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-badge {
                position: static;
                display: inline-flex;
                margin-bottom: 12px;
                padding: 6px 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .article-nav {
                flex-direction: column;
                gap: 10px;
            }
            .article-nav .next {
                text-align: left;
            }
        }
        @media (max-width: 520px) {
            .logo-text {
                font-size: 18px;
            }
            .header-right .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
            .header-right .btn-outline {
                display: none;
            }
            .related-section h2 {
                font-size: 22px;
            }
        }