/* roulang page: index */
:root {
  --bg-paper: #F6F4F0;
  --bg-surface: #FFFFFF;
  --bg-ink: #14181D;
  --text-primary: #1E2329;
  --text-secondary: #5A6472;
  --text-tertiary: #8B94A1;
  --text-on-dark: #F2F0EB;
  --text-brand: #8C6E46;
  --brand: #8C6E46;
  --brand-deep: #6F5332;
  --brand-soft: #A98D63;
  --pine: #2D3B36;
  --line: #E5DED2;
  --line-dark: rgba(244,240,232,0.12);
  --radius-card: 18px;
  --radius-btn: 999px;
  --radius-input: 22px;
  --shadow-card: 0 1px 2px rgba(20,24,29,0.04), 0 8px 24px rgba(20,24,29,0.03);
  --shadow-hover: 0 4px 12px rgba(20,24,29,0.06), 0 20px 48px rgba(20,24,29,0.08);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-paper);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s cubic-bezier(0.25,0.46,0.45,0.94);
}
button {
  font-family: inherit;
  border: none;
  cursor: pointer;
}
input, select, textarea {
  font-family: inherit;
  outline: none;
}
.container {
  width: min(1200px, 100% - 48px);
  margin-left: auto;
  margin-right: auto;
}
.section-pad {
  padding: 72px 0;
}

/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  background: var(--brand);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  transition: background 0.18s, box-shadow 0.18s, transform 0.18s;
}
.btn-primary:hover {
  background: var(--brand-deep);
  box-shadow: 0 8px 24px rgba(140,110,70,0.25);
  color: #fff;
}
.btn-primary:active {
  transform: translateY(1px);
}
.btn-primary .arrow {
  transition: transform 0.18s;
}
.btn-primary:hover .arrow {
  transform: translateX(4px);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  background: transparent;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  border: 1px solid var(--line);
  border-radius: var(--radius-btn);
  transition: border-color 0.18s, color 0.18s;
}
.btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand);
}
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
}
.btn-link .arrow {
  transition: transform 0.18s;
}
.btn-link:hover {
  color: var(--brand);
}
.btn-link:hover .arrow {
  transform: translateX(4px);
}

/* 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246,244,240,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}
.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
}
.logo-main {
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  font-weight: 700;
  font-size: 24px;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}
.logo-sub {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--brand);
  border: 1px solid rgba(140,110,70,0.4);
  padding: 2px 8px;
  border-radius: var(--radius-btn);
  line-height: 1.4;
}
.header-search {
  display: flex;
  align-items: center;
  flex: 0 1 480px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 0 6px 0 16px;
  height: 44px;
  transition: border-color 0.18s, box-shadow 0.18s;
}
.header-search:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(140,110,70,0.12);
}
.header-search .search-icon {
  width: 16px;
  height: 16px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}
.header-search input {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  padding: 0 12px;
  font-size: 14px;
  color: var(--text-primary);
}
.header-search input::placeholder {
  color: var(--text-tertiary);
}
.header-search button {
  height: 32px;
  padding: 0 16px;
  background: var(--brand);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  border-radius: 999px;
  transition: background 0.18s;
}
.header-search button:hover {
  background: var(--brand-deep);
}
.header-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 22px;
  background: var(--brand);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  transition: background 0.18s, box-shadow 0.18s;
  flex-shrink: 0;
}
.header-login:hover {
  background: var(--brand-deep);
  box-shadow: 0 6px 20px rgba(140,110,70,0.22);
  color: #fff;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  border-top: 1px solid rgba(229,222,210,0.6);
  overflow-x: auto;
  scrollbar-width: none;
}
.header-nav::-webkit-scrollbar {
  display: none;
}
.nav-item {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: 6px 20px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}
.nav-item.active {
  background: var(--text-primary);
  color: #fff;
}
.nav-item:not(.active):hover {
  color: var(--brand);
  box-shadow: inset 0 -2px 0 0 var(--brand);
}
.nav-item .nav-dot {
  display: none;
}

/* Hero */
.hero {
  position: relative;
  padding: 96px 0 80px;
  background-color: var(--bg-paper);
  background-image: radial-gradient(rgba(20,24,29,0.035) 1px, transparent 1px);
  background-size: 20px 20px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 64px;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--brand);
  background: rgba(140,110,70,0.08);
  border: 1px solid rgba(140,110,70,0.2);
  padding: 4px 14px;
  border-radius: var(--radius-btn);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}
.hero h1 {
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 44px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}
.hero-search {
  display: flex;
  align-items: center;
  width: 70%;
  height: 56px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 0 8px 0 20px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.18s, box-shadow 0.18s;
}
.hero-search:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(140,110,70,0.12);
}
.hero-search .search-icon {
  width: 18px;
  height: 18px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}
.hero-search input {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  padding: 0 14px;
  font-size: 15px;
  color: var(--text-primary);
}
.hero-search input::placeholder {
  color: var(--text-tertiary);
}
.hero-search button {
  height: 40px;
  padding: 0 20px;
  background: var(--brand);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  transition: background 0.18s;
}
.hero-search button:hover {
  background: var(--brand-deep);
}
.hero-visual {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.hero-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.hero-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(20,24,29,0.88), rgba(20,24,29,0));
  padding: 120px 24px 24px;
}
.hero-caption .badge {
  display: inline-block;
  background: rgba(244,240,232,0.16);
  color: var(--text-on-dark);
  font-size: 13px;
  font-weight: 500;
  padding: 4px 14px;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(244,240,232,0.25);
}
.scroll-down {
  position: absolute;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  font-size: 18px;
  background: rgba(255,255,255,0.6);
  transition: color 0.18s, border-color 0.18s, transform 0.18s;
}
.scroll-down:hover {
  color: var(--brand);
  border-color: var(--brand);
  transform: translateX(-50%) translateY(3px);
}

/* 方案卡片区 */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--brand);
  letter-spacing: 0.08em;
  background: rgba(140,110,70,0.07);
  padding: 4px 14px;
  border-radius: var(--radius-btn);
}
.section-title {
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 14px;
}
.section-desc {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 360px;
  text-align: right;
  line-height: 1.7;
}
.solution-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.solution-card {
  position: relative;
  grid-column: span 6;
  min-height: 260px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.solution-card:hover {
  transform: translateY(-4px);
  border-color: var(--brand-soft);
  box-shadow: var(--shadow-hover);
}
.solution-card.card-lg {
  grid-column: span 7;
}
.solution-card.card-sm {
  grid-column: span 5;
}
.solution-card .card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 18px;
}
.solution-card .card-icon {
  width: 36px;
  height: 36px;
  color: var(--brand);
}
.solution-card .card-number {
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 20px;
  font-weight: 500;
  color: var(--brand);
}
.solution-card h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.solution-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}
.solution-card .card-link {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}
.solution-card .card-link:hover {
  color: var(--brand);
}
.solution-card .card-link .arrow {
  transition: transform 0.18s;
}
.solution-card .card-link:hover .arrow {
  transform: translateX(4px);
}
.section-divider {
  height: 1px;
  background: var(--line);
  margin-top: 64px;
}

/* 数据区 */
.stats-section {
  background: var(--bg-ink);
  padding: 80px 0;
}
.stats-label {
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--brand);
  margin-bottom: 56px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}
.stat-number {
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 40px;
  font-weight: 600;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.stat-label {
  font-size: 14px;
  color: rgba(242,240,235,0.7);
  margin-top: 8px;
}
.stats-link {
  display: block;
  text-align: center;
  margin-top: 48px;
  font-size: 14px;
  color: rgba(242,240,235,0.7);
}
.stats-link .arrow {
  transition: transform 0.18s;
  display: inline-block;
}
.stats-link:hover {
  color: var(--brand);
}
.stats-link:hover .arrow {
  transform: translateX(4px);
}

/* 最新动态 */
.latest-section {
  padding: 72px 0;
}
.latest-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 40px;
}
.timeline {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 12px 28px;
}
.timeline-item {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.timeline-item:last-child {
  border-bottom: none;
}
.timeline-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--bg-paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  text-align: center;
  line-height: 1.2;
}
.timeline-date .date-month {
  font-size: 14px;
  color: var(--brand);
  font-weight: 600;
}
.timeline-date .date-day {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.timeline-date .date-year {
  font-size: 12px;
  color: var(--text-tertiary);
}
.timeline-content h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 6px;
}
.timeline-content h3 a:hover {
  color: var(--brand);
}
.timeline-content .item-summary {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin-bottom: 8px;
}
.timeline-content .item-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-tertiary);
}
.tag {
  display: inline-block;
  font-size: 12px;
  color: var(--brand);
  border: 1px solid rgba(140,110,70,0.4);
  padding: 2px 10px;
  border-radius: var(--radius-btn);
}
.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
  font-size: 14px;
  color: var(--text-tertiary);
  text-align: center;
}
.featured-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.18s, transform 0.18s;
}
.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.featured-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.featured-body {
  padding: 24px;
}
.featured-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.featured-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
}
.featured-body .link-arrow {
  font-size: 14px;
  font-weight: 500;
  color: var(--brand);
}
.featured-body .link-arrow:hover {
  color: var(--brand-deep);
}
.trending-tags {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.trending-tags span {
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(255,255,255,0.6);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(20,24,29,0.08);
  transition: border-color 0.18s, color 0.18s;
}
.trending-tags span:hover {
  border-color: var(--brand);
  color: var(--brand);
}

/* 申请区 */
.apply-section {
  padding: 72px 0;
}
.apply-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: rgba(45,59,54,0.05);
  border: 1px solid rgba(45,59,54,0.08);
  border-radius: 24px;
  padding: 48px 56px;
}
.apply-content h2 {
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 10px;
}
.apply-content p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.apply-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  color: var(--brand);
}

/* FAQ */
.faq-section {
  padding: 72px 0;
  background: var(--bg-paper);
}
.faq-grid {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 4px 24px;
  transition: border-color 0.18s, box-shadow 0.18s;
}
.faq-item:hover {
  border-color: var(--brand-soft);
  box-shadow: var(--shadow-card);
}
.faq-item summary {
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  padding: 18px 0;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '+';
  font-size: 22px;
  color: var(--brand);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item .faq-body {
  padding-bottom: 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* CTA */
.cta-section {
  padding: 72px 0;
}
.cta-card {
  background: var(--bg-ink);
  border-radius: 24px;
  padding: 64px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  color: var(--text-on-dark);
}
.cta-card h2 {
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 10px;
}
.cta-card p {
  font-size: 15px;
  color: rgba(242,240,235,0.75);
}
.cta-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-shrink: 0;
}
.cta-actions .btn-primary {
  background: var(--brand);
}
.cta-actions .btn-primary:hover {
  background: var(--brand-deep);
}
.cta-actions .btn-outline {
  border-color: rgba(244,240,232,0.28);
  color: var(--text-on-dark);
}
.cta-actions .btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand);
}

/* Footer */
.site-footer {
  background: var(--bg-ink);
  color: rgba(242,240,235,0.7);
  padding: 64px 0 32px;
}
.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line-dark);
}
.footer-brand .logo-main {
  color: var(--text-on-dark);
}
.footer-brand .logo-sub {
  border-color: rgba(140,110,70,0.6);
}
.footer-brand p {
  font-size: 14px;
  margin-top: 12px;
  max-width: 260px;
  line-height: 1.7;
  color: rgba(242,240,235,0.55);
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 14px;
  color: rgba(242,240,235,0.7);
}
.footer-links a:hover {
  color: var(--brand);
}
.footer-mid {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-dark);
  font-size: 13px;
}
.footer-mid a:hover {
  color: var(--brand);
}
.footer-bottom {
  padding-top: 24px;
  font-size: 13px;
  color: rgba(242,240,235,0.4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

/* 弹层 */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-overlay.open {
  display: flex;
}
.modal-box {
  max-width: 560px;
  width: 100%;
  background: #fff;
  border-radius: 20px;
  padding: 40px;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 12px 40px rgba(20,24,29,0.12);
}
.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-paper);
  border: 1px solid var(--line);
  color: var(--text-secondary);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.18s, color 0.18s;
}
.modal-close:hover {
  background: var(--brand);
  color: #fff;
}
.modal-box h3 {
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  height: 46px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 14px;
  font-size: 14px;
  color: var(--text-primary);
  transition: border-color 0.18s, box-shadow 0.18s;
}
.form-group textarea {
  height: auto;
  padding: 12px 14px;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(140,110,70,0.12);
}
.btn-full {
  width: 100%;
}
.privacy-note {
  font-size: 12px;
  color: var(--text-tertiary);
  text-align: center;
  margin-top: 12px;
  line-height: 1.6;
}
.privacy-note a {
  color: var(--brand);
}
.apply-bottom-note {
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 16px;
}

/* 响应式 */
@media (max-width: 1023px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero {
    padding: 72px 0 64px;
  }
  .solution-card.card-lg,
  .solution-card.card-sm {
    grid-column: span 6;
  }
  .latest-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
  .cta-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .apply-card {
    flex-direction: column;
    padding: 40px 32px;
    text-align: center;
  }
  .apply-content p {
    text-align: center;
  }
}
@media (min-width: 769px) {
  .mobile-search-area {
    display: none;
  }
}
@media (max-width: 767px) {
  .container {
    width: min(100% - 32px, 1200px);
  }
  .section-pad {
    padding: 56px 0;
  }
  .header-top {
    height: 64px;
  }
  .header-search {
    display: none;
  }
  .mobile-search-area {
    display: block;
    padding: 0 16px 12px;
    border-top: 1px solid rgba(229,222,210,0.5);
  }
  .mobile-search-area .header-search {
    display: flex;
    width: 100%;
    margin-top: 10px;
  }
  .header-nav {
    height: 46px;
    padding: 0 16px;
    margin-top: 0;
    border-top: none;
  }
  .nav-item {
    padding: 5px 16px;
  }
  .hero {
    padding: 56px 0 56px;
  }
  .hero h1 {
    font-size: 32px;
  }
  .hero-sub {
    font-size: 16px;
  }
  .hero-actions {
    flex-wrap: wrap;
    gap: 14px;
  }
  .hero-search {
    width: 100%;
    margin-top: 8px;
  }
  .section-title {
    font-size: 26px;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .section-desc {
    text-align: left;
    max-width: none;
  }
  .solution-card.card-lg,
  .solution-card.card-sm {
    grid-column: span 12;
  }
  .solution-card {
    min-height: auto;
    padding: 24px;
  }
  .solution-grid {
    gap: 16px;
  }
  .stats-section {
    padding: 56px 0;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px 16px;
  }
  .stat-number {
    font-size: 32px;
  }
  .latest-section {
    padding: 56px 0;
  }
  .timeline {
    padding: 8px 16px;
  }
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .timeline-date {
    width: 64px;
    height: 64px;
    flex-direction: row;
    gap: 6px;
  }
  .timeline-date .date-day {
    font-size: 22px;
  }
  .timeline-date .date-month {
    font-size: 12px;
  }
  .apply-section {
    padding: 56px 0;
  }
  .apply-card {
    padding: 32px 24px;
  }
  .faq-section {
    padding: 56px 0;
  }
  .faq-grid {
    gap: 12px;
  }
  .faq-item {
    padding: 4px 18px;
  }
  .cta-section {
    padding: 56px 0;
  }
  .cta-card {
    padding: 40px 24px;
  }
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .cta-actions .btn-primary,
  .cta-actions .btn-outline {
    width: 100%;
  }
  .footer-top {
    flex-direction: column;
    gap: 24px;
  }
  .footer-links {
    gap: 16px;
  }
  .footer-mid {
    flex-wrap: wrap;
    gap: 14px;
  }
  .modal-box {
    padding: 32px 24px 24px;
    border-radius: 16px;
    margin: 0 12px;
  }
}
@media (max-width: 480px) {
  .header-login {
    padding: 0 16px;
    font-size: 13px;
    height: 36px;
  }
  .logo-main {
    font-size: 20px;
  }
  .logo-sub {
    font-size: 10px;
  }
  .hero h1 {
    font-size: 28px;
  }
  .hero-actions .btn-primary {
    width: 100%;
  }
  .hero-actions .btn-link {
    justify-content: center;
    width: 100%;
  }
  .stat-number {
    font-size: 28px;
  }
  .apply-content h2 {
    font-size: 24px;
  }
  .cta-card h2 {
    font-size: 24px;
  }
  .cta-card p {
    font-size: 14px;
  }
}

/* roulang page: category1 */
:root {
      --bg-paper: #F6F4F0;
      --bg-surface: #FFFFFF;
      --bg-ink: #14181D;
      --text-primary: #1E2329;
      --text-secondary: #5A6472;
      --text-tertiary: #8B94A1;
      --text-on-dark: #F2F0EB;
      --brand: #8C6E46;
      --brand-deep: #6F5332;
      --brand-soft: #A98D63;
      --pine: #2D3B36;
      --line: #E5DED2;
      --line-dark: rgba(244, 240, 232, 0.12);
      --radius-card: 18px;
      --radius-btn: 999px;
      --shadow-card: 0 1px 2px rgba(20, 24, 29, 0.04), 0 8px 24px rgba(20, 24, 29, 0.03);
      --shadow-hover: 0 4px 12px rgba(20, 24, 29, 0.06), 0 20px 48px rgba(20, 24, 29, 0.08);
      --transition: 180ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
      --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
      --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

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

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

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

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

    .container {
      width: min(1200px, 100% - 48px);
      margin-left: auto;
      margin-right: auto;
    }

    .section-space-lg {
      padding: 96px 0;
    }

    .section-space-md {
      padding: 72px 0;
    }

    .section-space-sm {
      padding: 48px 0;
    }

    .section-label {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.2em;
      color: var(--brand);
      background: rgba(140, 110, 70, 0.08);
      border: 1px solid rgba(140, 110, 70, 0.2);
      border-radius: 999px;
      padding: 6px 16px;
      margin-bottom: 14px;
    }

    .section-title {
      font-family: var(--font-serif);
      font-size: 32px;
      font-weight: 700;
      line-height: 1.3;
      color: var(--text-primary);
      margin-bottom: 12px;
    }

    .section-subtitle {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.7;
      max-width: 640px;
    }

    /* ===== Header ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--line);
    }

    .header-top {
      display: flex;
      align-items: center;
      gap: 20px;
      height: 72px;
    }

    .logo {
      display: inline-flex;
      align-items: baseline;
      flex-shrink: 0;
    }

    .logo-main {
      font-family: var(--font-serif);
      font-size: 26px;
      font-weight: 700;
      color: var(--text-primary);
      letter-spacing: 0.01em;
      line-height: 1.2;
    }

    .logo-sub {
      font-family: var(--font-sans);
      font-size: 13px;
      font-weight: 600;
      color: var(--brand);
      margin-left: 6px;
      letter-spacing: 0.1em;
    }

    .header-search {
      flex: 1;
      max-width: 520px;
      height: 40px;
      display: flex;
      align-items: center;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 22px;
      padding: 0 14px;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .header-search:focus-within {
      border-color: var(--brand);
      box-shadow: 0 0 0 4px rgba(140, 110, 70, 0.12);
    }

    .header-search svg {
      width: 16px;
      height: 16px;
      color: var(--text-tertiary);
      margin-right: 8px;
      flex-shrink: 0;
    }

    .header-search input {
      flex: 1;
      min-width: 0;
      border: none;
      outline: none;
      background: transparent;
      font-size: 14px;
      color: var(--text-primary);
    }

    .header-search input::placeholder {
      color: var(--text-tertiary);
    }

    .header-search button {
      border: none;
      background: transparent;
      color: var(--brand);
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      padding: 0 2px 0 8px;
      white-space: nowrap;
      transition: color var(--transition);
    }

    .header-search button:hover {
      color: var(--brand-deep);
    }

    .header-login {
      display: inline-flex;
      align-items: center;
      height: 40px;
      padding: 0 22px;
      background: var(--brand);
      color: #fff;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 600;
      white-space: nowrap;
      cursor: pointer;
      transition: background-color var(--transition), box-shadow var(--transition), transform var(--transition);
      border: none;
    }

    .header-login:hover {
      background: var(--brand-deep);
      box-shadow: 0 8px 24px rgba(140, 110, 70, 0.25);
    }

    .header-login:active {
      transform: translateY(1px);
    }

    .header-nav {
      height: 48px;
      display: flex;
      align-items: center;
      gap: 8px;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .header-nav::-webkit-scrollbar {
      display: none;
    }

    .nav-item {
      display: inline-flex;
      align-items: center;
      height: 32px;
      padding: 0 16px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-secondary);
      white-space: nowrap;
      transition: background-color var(--transition), color var(--transition);
    }

    .nav-item:hover {
      color: var(--brand);
      background: rgba(140, 110, 70, 0.06);
    }

    .nav-item.active {
      background: var(--bg-ink);
      color: #fff;
      font-weight: 600;
    }

    .nav-item.active:hover {
      color: #fff;
      background: var(--bg-ink);
    }

    /* ===== Hero Banner ===== */
    .hero-banner {
      position: relative;
      width: 100%;
      aspect-ratio: 3 / 1;
      min-height: 360px;
      max-height: 480px;
      border-radius: 24px;
      overflow: hidden;
      background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
      margin: 32px 0 0;
      display: flex;
      align-items: flex-end;
    }

    .hero-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(20, 24, 29, 0.88) 0%, rgba(20, 24, 29, 0.60) 55%, rgba(20, 24, 29, 0.15) 100%);
      z-index: 1;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      padding: 48px;
      max-width: 70%;
    }

    .hero-badge {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.18em;
      color: #E8D9C2;
      border: 1px solid rgba(232, 217, 194, 0.35);
      background: rgba(20, 24, 29, 0.35);
      border-radius: 999px;
      padding: 6px 16px;
      margin-bottom: 16px;
    }

    .hero-title {
      font-family: var(--font-serif);
      font-size: 32px;
      font-weight: 700;
      color: #fff;
      line-height: 1.35;
      margin-bottom: 14px;
    }

    .hero-desc {
      font-size: 15px;
      line-height: 1.75;
      color: rgba(242, 240, 235, 0.82);
      max-width: 560px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      margin-top: 24px;
    }

    /* ===== Buttons ===== */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 48px;
      padding: 0 28px;
      background: var(--brand);
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      border: none;
      border-radius: 999px;
      cursor: pointer;
      transition: background-color var(--transition), box-shadow var(--transition), transform var(--transition);
    }

    .btn-primary:hover {
      background: var(--brand-deep);
      box-shadow: 0 8px 24px rgba(140, 110, 70, 0.25);
    }

    .btn-primary:active {
      transform: translateY(1px);
    }

    .btn-outline-light {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 48px;
      padding: 0 28px;
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      font-size: 15px;
      font-weight: 500;
      border: 1px solid rgba(242, 240, 235, 0.4);
      border-radius: 999px;
      cursor: pointer;
      transition: border-color var(--transition), background-color var(--transition);
    }

    .btn-outline-light:hover {
      border-color: #fff;
      background: rgba(255, 255, 255, 0.16);
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 48px;
      padding: 0 28px;
      background: #fff;
      color: var(--text-primary);
      font-size: 15px;
      font-weight: 500;
      border: 1px solid var(--line);
      border-radius: 999px;
      cursor: pointer;
      transition: border-color var(--transition), color var(--transition);
    }

    .btn-outline:hover {
      border-color: var(--brand);
      color: var(--brand);
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
      transition: color var(--transition);
    }

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

    .text-link-light {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 15px;
      font-weight: 600;
      color: rgba(242, 240, 235, 0.8);
      transition: color var(--transition);
    }

    .text-link-light:hover {
      color: var(--brand-soft);
    }

    /* ===== Card ===== */
    .card {
      background: var(--bg-surface);
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
    }

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

    .feature-card {
      position: relative;
      padding: 32px;
      overflow: hidden;
    }

    .feature-num {
      position: absolute;
      top: 24px;
      right: 28px;
      font-family: var(--font-serif);
      font-size: 22px;
      font-weight: 500;
      color: var(--brand);
      opacity: 0.9;
    }

    .feature-icon {
      width: 36px;
      height: 36px;
      color: var(--brand);
      margin-bottom: 20px;
    }

    .feature-card h3 {
      font-family: var(--font-serif);
      font-size: 20px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 10px;
    }

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

    /* ===== Check List ===== */
    .check-list {
      list-style: none;
      margin-top: 20px;
    }

    .check-list li {
      position: relative;
      padding-left: 28px;
      font-size: 14px;
      line-height: 1.8;
      color: var(--text-secondary);
      margin-bottom: 6px;
    }

    .check-list li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 9px;
      width: 16px;
      height: 16px;
      background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238C6E46' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / contain no-repeat;
    }

    /* ===== Step List ===== */
    .step-wrap {
      background: var(--pine);
      border-radius: 24px;
      padding: 56px;
      color: var(--text-on-dark);
    }

    .step-wrap .section-label {
      background: rgba(242, 240, 235, 0.08);
      border-color: rgba(242, 240, 235, 0.25);
      color: #D9C7A9;
    }

    .step-wrap .section-title {
      color: #fff;
    }

    .step-list {
      list-style: none;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 36px;
    }

    .step-item {
      position: relative;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(242, 240, 235, 0.1);
      border-radius: 18px;
      padding: 28px 22px;
      transition: border-color var(--transition), transform var(--transition);
    }

    .step-item:hover {
      border-color: rgba(169, 141, 99, 0.6);
      transform: translateY(-3px);
    }

    .step-num {
      font-family: var(--font-serif);
      font-size: 28px;
      font-weight: 700;
      color: var(--brand-soft);
      display: block;
      margin-bottom: 12px;
      font-variant-numeric: tabular-nums;
    }

    .step-item h4 {
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 6px;
    }

    .step-item p {
      font-size: 13px;
      line-height: 1.65;
      color: rgba(242, 240, 235, 0.7);
    }

    /* ===== FAQ ===== */
    .faq-list {
      margin-top: 24px;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 22px 26px;
      margin-bottom: 14px;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .faq-item[open] {
      border-color: var(--brand-soft);
      box-shadow: var(--shadow-card);
    }

    .faq-item summary {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-primary);
      cursor: pointer;
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: '+';
      font-size: 22px;
      font-weight: 400;
      color: var(--brand);
      transition: transform var(--transition);
      flex-shrink: 0;
    }

    .faq-item[open] summary::after {
      content: '−';
    }

    .faq-answer {
      padding-top: 14px;
      margin-top: 14px;
      border-top: 1px solid var(--line);
      font-size: 14px;
      line-height: 1.8;
      color: var(--text-secondary);
    }

    /* ===== Related Links ===== */
    .rel-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid var(--brand-soft);
      color: var(--brand);
      border-radius: 999px;
      padding: 12px 26px;
      font-size: 14px;
      font-weight: 600;
      background: #fff;
      transition: background-color var(--transition), color var(--transition), box-shadow var(--transition);
    }

    .rel-link:hover {
      background: var(--brand);
      color: #fff;
      border-color: var(--brand);
      box-shadow: 0 8px 24px rgba(140, 110, 70, 0.2);
    }

    /* ===== CTA Dual ===== */
    .cta-dual {
      background: var(--bg-ink);
      border-radius: 24px;
      padding: 48px 56px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
    }

    .cta-dual h2 {
      font-family: var(--font-serif);
      font-size: 26px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }

    .cta-dual p {
      font-size: 14px;
      color: rgba(242, 240, 235, 0.7);
    }

    .cta-dual-actions {
      display: flex;
      align-items: center;
      gap: 24px;
      flex-wrap: wrap;
    }

    /* ===== Modal ===== */
    .modal-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.6);
      backdrop-filter: blur(8px);
      z-index: 999;
      align-items: center;
      justify-content: center;
      padding: 16px;
    }

    .modal-overlay.open {
      display: flex;
    }

    .modal {
      background: #fff;
      border-radius: 20px;
      max-width: 560px;
      width: 100%;
      max-height: 90vh;
      overflow-y: auto;
      padding: 40px;
      position: relative;
      box-shadow: 0 12px 40px rgba(20, 24, 29, 0.18);
    }

    .modal-close {
      position: absolute;
      top: 14px;
      right: 14px;
      width: 34px;
      height: 34px;
      border-radius: 50%;
      border: 1px solid var(--line);
      background: #fff;
      font-size: 18px;
      color: var(--text-tertiary);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: color var(--transition), border-color var(--transition);
    }

    .modal-close:hover {
      color: var(--brand);
      border-color: var(--brand);
    }

    .modal h3 {
      font-family: var(--font-serif);
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 24px;
    }

    .modal label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
      margin: 16px 0 6px;
    }

    .modal input,
    .modal select,
    .modal textarea {
      width: 100%;
      height: 46px;
      border: 1px solid var(--line);
      border-radius: 10px;
      padding: 0 14px;
      font-size: 14px;
      color: var(--text-primary);
      background: #fff;
      outline: none;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .modal textarea {
      height: auto;
      padding: 12px 14px;
      resize: vertical;
    }

    .modal input:focus,
    .modal select:focus,
    .modal textarea:focus {
      border-color: var(--brand);
      box-shadow: 0 0 0 4px rgba(140, 110, 70, 0.12);
    }

    .modal .btn-primary {
      width: 100%;
      justify-content: center;
      margin-top: 24px;
    }

    .privacy-note {
      font-size: 12px;
      color: var(--text-tertiary);
      text-align: center;
      margin-top: 14px;
      line-height: 1.7;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--bg-ink);
      color: rgba(242, 240, 235, 0.7);
      padding: 64px 0 32px;
      margin-top: 48px;
    }

    .site-footer .logo-main {
      color: var(--text-on-dark);
    }

    .site-footer .logo-sub {
      color: var(--brand-soft);
    }

    .footer-top {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 40px;
      padding-bottom: 32px;
      border-bottom: 1px solid var(--line-dark);
    }

    .footer-brand p {
      font-size: 14px;
      color: rgba(242, 240, 235, 0.55);
      margin-top: 10px;
    }

    .footer-links {
      display: flex;
      align-items: center;
      gap: 24px;
      flex-wrap: wrap;
    }

    .footer-links a {
      font-size: 14px;
      color: rgba(242, 240, 235, 0.7);
      transition: color var(--transition);
    }

    .footer-links a:hover {
      color: var(--brand-soft);
    }

    .footer-mid {
      display: flex;
      justify-content: center;
      gap: 16px;
      padding: 24px 0;
      font-size: 14px;
      color: rgba(242, 240, 235, 0.5);
      flex-wrap: wrap;
    }

    .footer-mid a {
      color: rgba(242, 240, 235, 0.6);
      transition: color var(--transition);
    }

    .footer-mid a:hover {
      color: var(--brand-soft);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      font-size: 13px;
      color: rgba(242, 240, 235, 0.4);
      flex-wrap: wrap;
      gap: 8px;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1023px) {
      .hero-banner {
        aspect-ratio: auto;
        min-height: 420px;
      }

      .hero-content {
        max-width: 85%;
      }

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

    @media (max-width: 767px) {
      .container {
        width: min(100% - 32px, 1200px);
      }

      .header-top {
        height: auto;
        flex-wrap: wrap;
        padding: 14px 0 10px;
        gap: 10px;
      }

      .header-search {
        order: 3;
        max-width: none;
        width: 100%;
      }

      .header-login {
        margin-left: auto;
      }

      .header-nav {
        height: 44px;
      }

      .nav-item {
        padding: 0 12px;
        font-size: 13px;
      }

      .hero-banner {
        min-height: 380px;
        border-radius: 18px;
        margin-top: 20px;
        background-position: 65% center;
      }

      .hero-banner::before {
        background: linear-gradient(180deg, rgba(20, 24, 29, 0.7) 0%, rgba(20, 24, 29, 0.85) 60%, rgba(20, 24, 29, 0.95) 100%);
      }

      .hero-content {
        max-width: 100%;
        padding: 28px 24px;
      }

      .hero-title {
        font-size: 26px;
      }

      .hero-desc {
        font-size: 14px;
      }

      .btn-primary,
      .btn-outline-light,
      .btn-outline {
        height: 44px;
        padding: 0 20px;
        font-size: 14px;
      }

      .section-space-lg {
        padding: 64px 0;
      }

      .section-space-md {
        padding: 48px 0;
      }

      .section-title {
        font-size: 26px;
      }

      .feature-card {
        padding: 24px;
      }

      .step-wrap {
        padding: 32px 24px;
      }

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

      .cta-dual {
        padding: 32px 24px;
        flex-direction: column;
        align-items: flex-start;
      }

      .cta-dual-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
      }

      .cta-dual-actions .btn-primary {
        justify-content: center;
        width: 100%;
      }

      .modal {
        padding: 24px;
        border-radius: 16px;
      }

      .footer-top {
        flex-direction: column;
        gap: 24px;
      }

      .footer-links {
        flex-wrap: wrap;
      }

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

    @media (max-width: 480px) {
      .logo-main {
        font-size: 22px;
      }

      .logo-sub {
        font-size: 12px;
      }

      .header-login {
        padding: 0 16px;
        font-size: 13px;
      }

      .hero-title {
        font-size: 23px;
      }

      .modal {
        width: calc(100% - 24px);
      }
    }

/* roulang page: article */
:root {
            --bg-paper: #F6F4F0;
            --bg-surface: #FFFFFF;
            --bg-ink: #14181D;
            --text-primary: #1E2329;
            --text-secondary: #5A6472;
            --text-tertiary: #8B94A1;
            --text-on-dark: #F2F0EB;
            --text-brand: #8C6E46;
            --brand: #8C6E46;
            --brand-deep: #6F5332;
            --brand-soft: #A98D63;
            --pine: #2D3B36;
            --line: #E5DED2;
            --line-dark: rgba(244,240,232,0.12);
            --radius-card: 18px;
            --radius-btn: 999px;
            --shadow-card: 0 1px 2px rgba(20,24,29,0.04), 0 8px 24px rgba(20,24,29,0.03);
            --shadow-hover: 0 4px 12px rgba(20,24,29,0.06), 0 20px 48px rgba(20,24,29,0.08);
            --shadow-pop: 0 12px 40px rgba(20,24,29,0.12);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-paper);
            -webkit-font-smoothing: antialiased;
            font-variant-numeric: tabular-nums;
        }

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

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

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

        .container {
            width: min(1200px, 100% - 48px);
            margin-inline: auto;
        }

        /* ======== Header ======== */
        .site-header {
            background: var(--bg-surface);
            border-bottom: 1px solid var(--line);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-top {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 72px;
        }

        .logo {
            display: flex;
            align-items: baseline;
            gap: 6px;
            flex-shrink: 0;
        }

        .logo-main {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .logo-sub {
            font-size: 13px;
            color: var(--brand);
            font-weight: 600;
            border-left: 1px solid var(--line);
            padding-left: 8px;
        }

        .header-search {
            flex: 1;
            max-width: 480px;
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-surface);
            border: 1px solid var(--line);
            border-radius: 22px;
            padding: 6px 8px 6px 14px;
            transition: box-shadow .18s var(--ease), border-color .18s var(--ease);
        }

        .header-search:focus-within {
            border-color: var(--brand);
            box-shadow: 0 0 0 4px rgba(140,110,70,0.12);
        }

        .search-icon {
            width: 16px;
            height: 16px;
            color: var(--text-tertiary);
            flex-shrink: 0;
        }

        .header-search input {
            flex: 1;
            font-size: 14px;
            color: var(--text-primary);
            padding: 6px 0;
        }

        .header-search input::placeholder {
            color: var(--text-tertiary);
        }

        .header-search button {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand);
            background: rgba(140,110,70,0.08);
            border-radius: 999px;
            padding: 6px 16px;
            cursor: pointer;
            transition: background .18s, color .18s;
        }

        .header-search button:hover {
            background: var(--brand);
            color: #fff;
        }

        .header-login {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: var(--brand);
            border-radius: 999px;
            padding: 10px 22px;
            white-space: nowrap;
            transition: background .18s, box-shadow .18s;
        }

        .header-login:hover {
            background: var(--brand-deep);
            box-shadow: 0 8px 24px rgba(140,110,70,0.25);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 48px;
            border-top: 1px solid var(--line);
            overflow-x: auto;
            scrollbar-width: none;
        }

        .header-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-item {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 16px;
            border-radius: 999px;
            white-space: nowrap;
            position: relative;
            transition: color .18s var(--ease);
        }

        .nav-item:hover {
            color: var(--brand);
        }

        .nav-item::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 2px;
            width: 24px;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
            transform: translateX(-50%) scaleX(0);
            transition: transform .18s var(--ease);
        }

        .nav-item:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-item.active {
            background: var(--bg-ink);
            color: var(--text-on-dark);
            font-weight: 600;
        }

        .nav-item.active::after {
            display: none;
        }

        .nav-item.active:hover {
            color: var(--text-on-dark);
        }

        /* ======== Main ======== */
        .main-article {
            background: var(--bg-paper);
            padding: 48px 0 80px;
            min-height: 70vh;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-tertiary);
            margin-bottom: 32px;
        }

        .breadcrumb a {
            color: var(--text-tertiary);
            transition: color .18s;
        }

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

        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
            max-width: 360px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-header {
            max-width: 720px;
            margin: 0 auto 40px;
        }

        .article-header h1 {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 36px;
            line-height: 1.35;
            color: var(--text-primary);
            position: relative;
            padding-left: 18px;
        }

        .article-header h1::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.5em;
            width: 3px;
            height: 28px;
            background: var(--brand);
            border-radius: 2px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-top: 18px;
            font-size: 14px;
            color: var(--text-tertiary);
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .meta-item::before {
            content: '';
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--brand-soft);
        }

        .meta-item:first-child::before {
            display: none;
        }

        .article-content {
            max-width: 720px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
        }

        .article-content h2 {
            font-family: var(--font-serif);
            font-weight: 600;
            font-size: 24px;
            line-height: 1.4;
            margin: 48px 0 16px;
        }

        .article-content h3 {
            font-family: var(--font-sans);
            font-weight: 600;
            font-size: 18px;
            margin: 32px 0 12px;
        }

        .article-content p {
            margin: 0 0 20px;
        }

        .article-content blockquote {
            border-left: 3px solid var(--brand);
            background: var(--bg-paper);
            border-radius: 12px;
            padding: 20px 24px;
            margin: 24px 0;
            color: var(--text-secondary);
            font-style: normal;
        }

        .article-content pre {
            background: var(--bg-ink);
            color: #E8E6E1;
            border-radius: 12px;
            padding: 16px 20px;
            margin: 24px 0;
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.7;
        }

        .article-content code {
            font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
        }

        .article-content p code {
            background: rgba(140,110,70,0.1);
            color: var(--brand-deep);
            border-radius: 6px;
            padding: 2px 6px;
            font-size: 14px;
        }

        .article-content pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }

        .article-content img {
            width: 100%;
            height: auto;
            border-radius: 16px;
            margin: 24px 0;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 20px;
            padding-left: 28px;
            line-height: 1.8;
        }

        .article-content li {
            margin-bottom: 6px;
        }

        .article-content a {
            color: var(--brand);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color .18s;
        }

        .article-content a:hover {
            color: var(--brand-deep);
        }

        .article-footer {
            max-width: 720px;
            margin: 48px auto 0;
            padding-top: 32px;
            border-top: 1px solid var(--line);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .article-tags a {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: 6px 14px;
            transition: border-color .18s, color .18s;
        }

        .article-tags a:hover {
            border-color: var(--brand);
            color: var(--brand);
        }

        .share-buttons {
            display: flex;
            gap: 8px;
        }

        .share-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--line);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: border-color .18s, color .18s, transform .18s;
        }

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

        .article-empty {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
        }

        .article-empty p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .article-empty a {
            color: var(--brand);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        /* ======== Related ======== */
        .related-section {
            margin-top: 64px;
            padding-top: 40px;
            border-top: 1px solid var(--line);
        }

        .related-section h2 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 24px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--bg-surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
        }

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

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

        .related-info {
            padding: 16px 20px 20px;
        }

        .related-card .tag {
            font-size: 12px;
            color: var(--brand);
            border: 1px solid rgba(140,110,70,0.3);
            border-radius: 6px;
            padding: 4px 8px;
            display: inline-block;
        }

        .related-card h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-primary);
            margin: 10px 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .meta-text {
            font-size: 14px;
            color: var(--text-tertiary);
        }

        .back-to-list {
            text-align: center;
            margin-top: 48px;
        }

        .back-to-list a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: color .18s;
        }

        .back-to-list a:hover {
            color: var(--brand);
        }

        /* ======== Modal ======== */
        .modal {
            position: fixed;
            inset: 0;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 24px;
            visibility: hidden;
            opacity: 0;
            transition: opacity .18s var(--ease), visibility .18s var(--ease);
        }

        .modal.open {
            visibility: visible;
            opacity: 1;
        }

        .modal-mask {
            position: absolute;
            inset: 0;
            background: rgba(20,24,29,0.6);
            backdrop-filter: blur(6px);
        }

        .modal-panel {
            position: relative;
            width: 100%;
            max-width: 560px;
            max-height: 90vh;
            overflow-y: auto;
            background: var(--bg-surface);
            border-radius: 20px;
            padding: 40px;
            transform: translateY(20px) scale(0.98);
            transition: transform .18s var(--ease);
        }

        .modal.open .modal-panel {
            transform: translateY(0) scale(1);
        }

        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text-tertiary);
            background: var(--bg-paper);
            cursor: pointer;
            transition: background .18s, color .18s;
        }

        .modal-close:hover {
            color: var(--text-primary);
            background: var(--line);
        }

        .modal-panel h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 24px;
        }

        .modal-form label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 6px;
            margin-top: 16px;
        }

        .modal-form label:first-of-type {
            margin-top: 0;
        }

        .modal-form input,
        .modal-form select,
        .modal-form textarea {
            width: 100%;
            height: 46px;
            background: var(--bg-surface);
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 0 14px;
            font-size: 14px;
            color: var(--text-primary);
            transition: border-color .18s, box-shadow .18s;
        }

        .modal-form textarea {
            height: 80px;
            resize: vertical;
            padding: 12px 14px;
        }

        .modal-form input:focus,
        .modal-form select:focus,
        .modal-form textarea:focus {
            border-color: var(--brand);
            box-shadow: 0 0 0 4px rgba(140,110,70,0.12);
            outline: none;
        }

        .modal-form .btn-submit {
            width: 100%;
            height: 48px;
            margin-top: 24px;
            background: var(--brand);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: 999px;
            cursor: pointer;
            transition: background .18s, box-shadow .18s;
        }

        .modal-form .btn-submit:hover {
            background: var(--brand-deep);
            box-shadow: 0 8px 24px rgba(140,110,70,0.25);
        }

        .privacy-note {
            font-size: 12px;
            color: var(--text-tertiary);
            line-height: 1.6;
            margin-top: 12px;
            text-align: center;
        }

        /* ======== Footer ======== */
        .site-footer {
            background: var(--bg-ink);
            color: rgba(242,240,235,0.7);
            padding: 64px 0 32px;
            margin-top: 80px;
        }

        .footer-top {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: flex-start;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--line-dark);
        }

        .footer-brand .logo {
            display: flex;
            align-items: baseline;
            gap: 6px;
            margin-bottom: 12px;
        }

        .footer-brand .logo-main {
            color: var(--text-on-dark);
            font-size: 22px;
        }

        .footer-brand .logo-sub {
            color: var(--brand-soft);
            border-left-color: var(--line-dark);
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(242,240,235,0.6);
            max-width: 320px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(242,240,235,0.7);
            transition: color .18s;
        }

        .footer-links a:hover {
            color: var(--brand-soft);
        }

        .footer-mid {
            display: flex;
            justify-content: center;
            gap: 16px;
            align-items: center;
            padding: 24px 0;
            font-size: 13px;
        }

        .footer-mid a {
            color: rgba(242,240,235,0.6);
            transition: color .18s;
        }

        .footer-mid a:hover {
            color: var(--brand-soft);
        }

        .footer-mid span {
            color: rgba(242,240,235,0.3);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            border-top: 1px solid var(--line-dark);
            padding-top: 24px;
            font-size: 13px;
            color: rgba(242,240,235,0.5);
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ======== Responsive ======== */
        @media (max-width: 1023px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .article-header h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 767px) {
            .container {
                width: min(100% - 32px, 1200px);
            }

            .header-top {
                height: auto;
                padding: 12px 0;
                flex-wrap: wrap;
                gap: 12px;
            }

            .logo {
                flex: 1;
            }

            .header-search {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
            }

            .header-login {
                padding: 8px 16px;
                font-size: 13px;
            }

            .header-nav {
                height: 44px;
            }

            .main-article {
                padding: 32px 0 64px;
            }

            .article-header h1 {
                font-size: 28px;
            }

            .article-header {
                margin-bottom: 24px;
            }

            .article-content {
                font-size: 15px;
            }

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

            .article-footer {
                flex-direction: column;
                align-items: flex-start;
            }

            .modal-panel {
                padding: 24px;
                border-radius: 16px;
            }

            .modal {
                padding: 12px;
            }

            .footer-top {
                flex-direction: column;
                gap: 20px;
            }

            .footer-links {
                gap: 16px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 4px;
            }

            .breadcrumb {
                margin-bottom: 20px;
                font-size: 13px;
            }

            .breadcrumb .current {
                max-width: 180px;
            }

            .article-meta {
                gap: 10px;
                font-size: 13px;
            }

            .related-section {
                margin-top: 40px;
                padding-top: 28px;
            }
        }

        @media (max-width: 480px) {
            .logo-main {
                font-size: 20px;
            }

            .logo-sub {
                font-size: 12px;
            }
        }

/* roulang page: category2 */
:root {
  --bg-paper: #F6F4F0;
  --bg-surface: #FFFFFF;
  --bg-ink: #14181D;
  --text-primary: #1E2329;
  --text-secondary: #5A6472;
  --text-tertiary: #8B94A1;
  --text-on-dark: #F2F0EB;
  --brand: #8C6E46;
  --brand-deep: #6F5332;
  --brand-soft: #A98D63;
  --pine: #2D3B36;
  --line: #E5DED2;
  --line-dark: rgba(244, 240, 232, 0.12);
  --shadow-card: 0 1px 2px rgba(20,24,29,0.04), 0 8px 24px rgba(20,24,29,0.03);
  --shadow-float: 0 12px 40px rgba(20,24,29,0.12);
  --shadow-hover: 0 4px 12px rgba(20,24,29,0.06), 0 20px 48px rgba(20,24,29,0.08);
  --radius-card: 18px;
  --radius-btn: 999px;
  --transition: 180ms cubic-bezier(0.25,0.46,0.45,0.94);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-paper);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* ============ Header ============ */
.site-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 8px rgba(20,24,29,0.03);
}
.header-top {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
}
.logo-main {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}
.logo-sub {
  font-size: 13px;
  font-weight: 500;
  color: var(--brand);
  letter-spacing: 0.06em;
}
.header-search {
  flex: 1;
  max-width: 520px;
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  height: 44px;
  padding: 0 8px 0 16px;
  gap: 8px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.header-search:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(140,110,70,0.12);
}
.search-icon { width: 16px; height: 16px; color: var(--text-tertiary); flex-shrink: 0; }
.header-search input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 14px;
  color: var(--text-primary);
  background: transparent;
  min-width: 0;
}
.header-search input::placeholder { color: var(--text-tertiary); }
.header-search button {
  background: none;
  color: var(--brand);
  font-size: 14px;
  font-weight: 600;
  padding: 0 12px;
  height: 32px;
  border-radius: 16px;
  transition: background var(--transition);
  flex-shrink: 0;
}
.header-search button:hover { background: rgba(140,110,70,0.08); }
.header-login {
  flex-shrink: 0;
  background: var(--brand);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 0 24px;
  height: 40px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}
.header-login:hover { background: var(--brand-deep); box-shadow: 0 8px 24px rgba(140,110,70,0.25); }
.header-login:active { transform: translateY(1px); }
.header-nav {
  display: flex;
  gap: 4px;
  height: 48px;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
}
.header-nav::-webkit-scrollbar { display: none; }
.nav-item {
  padding: 6px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 999px;
  white-space: nowrap;
  position: relative;
  transition: color var(--transition), background var(--transition);
}
.nav-item:hover { color: var(--brand); }
.nav-item::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 24px;
  height: 2px;
  background: var(--brand);
  border-radius: 1px;
  transition: transform var(--transition);
}
.nav-item:hover::after { transform: translateX(-50%) scaleX(1); }
.nav-item.active {
  background: var(--bg-ink);
  color: var(--text-on-dark);
}
.nav-item.active:hover { color: var(--text-on-dark); }
.nav-item.active::after { display: none; }

/* ============ Page Hero ============ */
.page-hero {
  position: relative;
  min-height: 360px;
  border-radius: 24px;
  overflow: hidden;
  margin: 32px 24px 0;
  background: var(--bg-ink);
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  isolation: isolate;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(20,24,29,0.88) 0%, rgba(20,24,29,0.55) 50%, rgba(20,24,29,0.15) 100%);
  z-index: 1;
}
.page-hero-content {
  position: relative;
  z-index: 2;
  padding: 64px 48px;
  max-width: 720px;
  color: var(--text-on-dark);
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(140,110,70,0.2);
  border: 1px solid rgba(244,240,232,0.25);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 500;
  color: #E0D5C3;
  margin-bottom: 18px;
}
.page-hero h1 {
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
}
.page-hero p {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244,240,232,0.8);
  max-width: 580px;
}
.hero-breadcrumb {
  position: relative;
  z-index: 2;
  font-size: 13px;
  color: rgba(244,240,232,0.65);
  padding: 16px 48px;
  border-top: 1px solid rgba(244,240,232,0.12);
}
.hero-breadcrumb a { color: rgba(244,240,232,0.75); }
.hero-breadcrumb a:hover { color: var(--brand-soft); }

/* ============ Content Sections ============ */
.section-block { padding: 72px 0 32px; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--brand);
  border-radius: 1px;
}
.section-title {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.section-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 640px;
}

.split-row {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 56px;
}
.split-row.reverse .split-text { order: 2; }
.split-row.reverse .split-media { order: 1; }
.split-media {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 4/3;
  background: var(--bg-surface);
}
.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms cubic-bezier(0.25,0.46,0.45,0.94);
}
.split-media:hover img { transform: scale(1.03); }
.split-text h3 {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.45;
  margin-bottom: 14px;
}
.split-text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.check-list { list-style: none; margin-top: 8px; }
.check-list li {
  position: relative;
  padding-left: 28px;
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 6px;
}
.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(140,110,70,0.12);
  color: var(--brand);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============ Stats ============ */
.stats-section {
  background: var(--bg-ink);
  padding: 72px 0;
  margin: 40px 0 0;
}
.stats-section .section-label { color: var(--brand-soft); }
.stats-section .section-label::before { background: var(--brand-soft); }
.stats-section .section-title { color: var(--text-on-dark); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-top: 40px;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: 42px;
  font-weight: 600;
  color: var(--brand-soft);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.stat-item p {
  font-size: 14px;
  color: rgba(244,240,232,0.7);
  margin-top: 6px;
}

/* ============ Related / Cross-link ============ */
.related-section {
  padding: 64px 0 32px;
}
.related-card {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: var(--brand-soft);
}
.related-card .info h4 {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}
.related-card .info p {
  font-size: 14px;
  color: var(--text-secondary);
}
.related-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid var(--brand);
  color: var(--brand);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 999px;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.related-link:hover {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 8px 24px rgba(140,110,70,0.25);
}

/* ============ FAQ ============ */
.faq-section { padding: 48px 0 72px; }
.faq-list {
  max-width: 860px;
  margin-top: 32px;
}
.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item:hover { border-color: var(--brand-soft); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  gap: 16px;
}
.faq-question .icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}
.faq-item[open] .faq-question .icon {
  transform: rotate(45deg);
  background: rgba(140,110,70,0.1);
  border-color: var(--brand);
}
.faq-answer {
  padding: 0 24px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}
details.faq-item summary { list-style: none; }
details.faq-item summary::-webkit-details-marker { display: none; }

/* ============ CTA ============ */
.cta-section {
  padding: 24px 0 80px;
}
.cta-box {
  background: var(--pine);
  border-radius: 24px;
  padding: 56px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
}
.cta-box::after {
  content: '';
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(140,110,70,0.12);
}
.cta-box h3 {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--text-on-dark);
  margin-bottom: 10px;
}
.cta-box p {
  font-size: 14px;
  color: rgba(244,240,232,0.72);
  line-height: 1.7;
  max-width: 520px;
}
.cta-btns { display: flex; align-items: center; gap: 20px; flex-shrink: 0; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 0 32px;
  height: 48px;
  border-radius: 999px;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}
.btn-primary:hover {
  background: var(--brand-deep);
  box-shadow: 0 8px 24px rgba(140,110,70,0.25);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(1px); }
.btn-primary .arrow { transition: transform var(--transition); }
.btn-primary:hover .arrow { transform: translateX(4px); }
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-on-dark);
  opacity: 0.85;
  transition: color var(--transition), opacity var(--transition);
}
.btn-text:hover { color: var(--brand-soft); opacity: 1; }
.btn-text .arrow { transition: transform var(--transition); }
.btn-text:hover .arrow { transform: translateX(4px); }

/* ============ Footer ============ */
.site-footer {
  background: var(--bg-ink);
  padding: 64px 0 32px;
  color: rgba(244,240,232,0.7);
}
.site-footer .logo-main { color: var(--text-on-dark); }
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line-dark);
}
.footer-brand p {
  font-size: 14px;
  margin-top: 8px;
  color: rgba(244,240,232,0.6);
}
.footer-links {
  display: flex;
  gap: 8px 28px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 14px;
  color: rgba(244,240,232,0.75);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--brand-soft); }
.footer-mid {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line-dark);
  font-size: 13px;
}
.footer-mid a { color: rgba(244,240,232,0.6); }
.footer-mid a:hover { color: var(--brand-soft); }
.footer-mid span { color: rgba(244,240,232,0.3); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 13px;
  color: rgba(244,240,232,0.45);
}

/* ============ Responsive ============ */
@media (max-width: 1023px) {
  .split-row { grid-template-columns: 1fr; gap: 32px; }
  .split-row.reverse .split-text { order: 1; }
  .split-row.reverse .split-media { order: 2; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .cta-box { flex-direction: column; align-items: flex-start; }
  .cta-btns { flex-wrap: wrap; }
  .page-hero { margin: 24px 16px 0; min-height: 320px; }
  .page-hero-content { padding: 48px 32px; }
  .hero-breadcrumb { padding: 14px 32px; }
}

@media (max-width: 767px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .header-top { height: 64px; gap: 12px; }
  .logo-main { font-size: 19px; }
  .logo-sub { font-size: 11px; }
  .header-search { display: none; }
  .header-login { padding: 0 18px; height: 36px; font-size: 13px; }
  .header-nav { height: 44px; }
  .nav-item { padding: 5px 16px; font-size: 13px; }
  .page-hero { min-height: 280px; margin: 16px 12px 0; border-radius: 18px; }
  .page-hero-content { padding: 36px 20px; }
  .page-hero h1 { font-size: 26px; }
  .page-hero p { font-size: 14px; }
  .hero-breadcrumb { padding: 12px 20px; font-size: 12px; }
  .section-block { padding: 48px 0 24px; }
  .section-title { font-size: 24px; }
  .split-row { margin-bottom: 40px; }
  .stats-section { padding: 48px 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .stat-number { font-size: 34px; }
  .related-card { flex-direction: column; align-items: flex-start; padding: 28px 24px; }
  .faq-question { padding: 16px 18px; font-size: 14px; }
  .faq-answer { padding: 0 18px 16px; }
  .cta-section { padding: 16px 0 56px; }
  .cta-box { padding: 36px 24px; border-radius: 18px; }
  .cta-box h3 { font-size: 22px; }
  .btn-primary { width: 100%; justify-content: center; }
  .footer-top { flex-direction: column; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}