/* roulang page: index */
:root {
  --color-bg: #F6F4EF;
  --color-surface: #FFFFFF;
  --color-ink: #1E1C19;
  --color-muted: #6E675F;
  --color-dark: #191715;
  --color-accent: #B4835A;
  --color-accent-hover: #9B6C46;
  --color-secondary: #35685B;
  --color-line: #E7E1D8;
  --color-dark-title: #F3F0EA;
  --color-dark-muted: #A8A29A;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(30,28,25,.04);
  --shadow-lg: 0 12px 32px rgba(30,28,25,.08);
  --transition: 200ms cubic-bezier(0.25,0.46,0.45,0.94);
}
html {
  scroll-behavior: smooth;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  border: none;
  background: none;
  font-family: inherit;
  cursor: pointer;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.text-accent {
  color: var(--color-accent);
}
.section {
  padding: 112px 0;
}
.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}
.section-head-row {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}
.section-kicker {
  font-size: .8125rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 8px;
}
.section-head h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  line-height: 1.3;
}
.section-desc {
  color: var(--color-muted);
  font-size: 1rem;
  margin-top: 14px;
  line-height: 1.9;
}
.hero-year {
  font-family: 'Noto Serif SC', serif;
  font-size: .875rem;
  letter-spacing: .3em;
  color: rgba(243,240,234,.5);
}
/* === Header / Nav === */
.site-header {
  padding-top: 16px;
  position: relative;
  z-index: 50;
}
.nav-panel {
  background: var(--color-dark);
  border-radius: var(--radius-lg);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 8px 28px rgba(25,23,21,.18);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}
.brand-text {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--color-dark-title);
  letter-spacing: .02em;
  white-space: nowrap;
}
.nav-cards {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}
.nav-card {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.08);
  color: var(--color-dark-title);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: .875rem;
  font-weight: 500;
  line-height: 1.2;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  border: 2px solid transparent;
}
.nav-card:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-1px);
}
.nav-card.active {
  border-color: var(--color-accent);
  background: rgba(180,131,90,.22);
  color: var(--color-dark-title);
}
.nav-card.active:hover {
  background: var(--color-accent);
  color: #fff;
}
.nav-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: .85;
}
.nav-card.active .nav-icon,
.nav-card:hover .nav-icon {
  opacity: 1;
}
.nav-cta {
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 9px;
  padding: 11px 22px;
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1.4;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  outline: none;
}
.btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(180,131,90,.35);
}
.btn .arrow {
  transition: transform var(--transition);
}
.btn:hover .arrow {
  transform: translateX(4px);
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(180,131,90,.3);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 8px 22px rgba(155,108,70,.32);
}
.btn-ghost {
  border: 1.5px solid rgba(255,255,255,.45);
  color: #fff;
  background: transparent;
}
.btn-ghost:hover {
  background: rgba(180,131,90,.18);
  border-color: rgba(180,131,90,.8);
}
.btn-nav {
  background: var(--color-dark-title);
  color: var(--color-dark);
  padding: 9px 18px;
  font-size: .875rem;
}
.btn-nav:hover {
  background: var(--color-accent);
  color: #fff;
}
.btn-block {
  width: 100%;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  border-radius: 8px;
}
.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--color-dark-title);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}
/* === Hero === */
.hero {
  position: relative;
  background-color: var(--color-dark);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(25,23,21,.86) 0%, rgba(25,23,21,.62) 48%, rgba(25,23,21,.38) 100%);
}
.hero-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 48px;
  padding: 96px 24px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-left {
  flex: 1;
  max-width: 860px;
}
.hero-eyebrow {
  font-size: .875rem;
  letter-spacing: .16em;
  color: rgba(243,240,234,.72);
  text-transform: uppercase;
  margin-bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--color-accent);
  display: inline-block;
}
.hero-title {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-dark-title);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1.125rem;
  line-height: 1.9;
  color: rgba(243,240,234,.82);
  max-width: 520px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero-trust {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8125rem;
  color: rgba(243,240,234,.66);
}
.trust-item::before {
  content: "✓";
  color: var(--color-accent);
  font-weight: 700;
}
.hero-aside {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  align-self: stretch;
  justify-content: center;
  border-left: 1px solid rgba(255,255,255,.16);
  padding-left: 28px;
}
.hero-aside .hero-line {
  width: 1px;
  flex: 1;
  background: linear-gradient(180deg, rgba(180,131,90,.0), rgba(180,131,90,.8), rgba(180,131,90,0));
}
/* === Solutions / Cards === */
.card-hover {
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card-hover:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.solution-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  height: 100%;
}
.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(180,131,90,.4);
}
.solution-card.sol-featured {
  border-top: 4px solid var(--color-accent);
  justify-content: space-between;
}
.sol-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.sol-icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: rgba(180,131,90,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  transition: background var(--transition), color var(--transition);
}
.solution-card:hover .sol-icon {
  background: var(--color-accent);
  color: #fff;
}
.sol-tag {
  font-size: .75rem;
  font-weight: 600;
  color: var(--color-accent);
  border: 1px solid rgba(180,131,90,.4);
  border-radius: 999px;
  padding: 3px 10px;
  background: rgba(180,131,90,.06);
}
.solution-card h3 {
  font-family: 'Noto Sans SC', 'PingFang SC', sans-serif;
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-ink);
}
.solution-card p {
  font-size: .9375rem;
  color: var(--color-muted);
  line-height: 1.85;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .9375rem;
  font-weight: 600;
  color: var(--color-accent);
  transition: color var(--transition), gap var(--transition);
}
.text-link:hover {
  color: var(--color-accent-hover);
  gap: 8px;
}
/* === Stats === */
.stats-section {
  background: var(--color-dark);
  padding: 72px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  text-align: center;
  padding: 28px 20px;
  border-left: 1px solid rgba(255,255,255,.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.stat-item:first-child {
  border-left: none;
}
.stat-num {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.1;
}
.stat-item:nth-child(2) .stat-num {
  color: var(--color-secondary);
}
.stat-item:nth-child(3) .stat-num {
  color: var(--color-accent);
}
.stat-item:nth-child(4) .stat-num {
  color: var(--color-secondary);
}
.stat-plus {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.25rem;
  color: inherit;
  margin-left: -4px;
}
.stat-label {
  color: var(--color-dark-title);
  font-size: .9375rem;
  font-weight: 600;
  margin-top: 8px;
}
.stat-note {
  color: var(--color-dark-muted);
  font-size: .8125rem;
  line-height: 1.5;
}
/* === Latest News === */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.news-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.news-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(180,131,90,.35);
}
.news-featured {
  display: grid;
  grid-template-columns: 6fr 6fr;
}
.news-featured .news-cover {
  min-height: 300px;
}
.news-cover {
  background: #EDE8E1;
  position: relative;
  overflow: hidden;
  min-height: 150px;
}
.news-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.news-main {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}
.news-featured .news-main {
  padding: 36px 40px;
}
.badge {
  display: inline-flex;
  align-items: center;
  background: rgba(180,131,90,.1);
  color: var(--color-accent);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: .75rem;
  font-weight: 600;
  width: fit-content;
  border: 1px solid rgba(180,131,90,.3);
}
.news-main h3 {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-ink);
}
.news-main h3 a {
  transition: color var(--transition);
}
.news-main h3 a:hover {
  color: var(--color-accent);
}
.news-featured .news-main h3 {
  font-size: 1.375rem;
}
.news-excerpt {
  font-size: .9375rem;
  color: var(--color-muted);
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: .8125rem;
  color: var(--color-muted);
  margin-top: 4px;
}
.news-row {
  display: grid;
  grid-template-columns: 280px 1fr;
}
.news-row .news-cover {
  min-height: 150px;
}
.news-row .news-main {
  padding: 22px 28px;
}
.news-empty {
  border: 1.5px dashed var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.5);
  padding: 56px 24px;
  text-align: center;
  color: var(--color-muted);
  font-size: .9375rem;
}
.empty-icon {
  font-size: 2.25rem;
  margin-bottom: 12px;
  opacity: .5;
}
/* === CTA === */
.cta-section {
  padding: 48px 0 96px;
}
.cta-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-left h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 8px;
}
.cta-left p {
  color: var(--color-muted);
  font-size: .9375rem;
}
/* === FAQ === */
.faq-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-line);
  padding: 96px 0;
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.faq-item.active {
  box-shadow: var(--shadow-sm);
  border-color: rgba(180,131,90,.35);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  padding: 6px 0;
}
.faq-qnum {
  font-family: 'Noto Serif SC', serif;
  font-size: .8125rem;
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(180,131,90,.1);
  border-radius: 8px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.faq-question h4 {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
  flex: 1;
}
.faq-icon {
  width: 18px;
  height: 18px;
  color: var(--color-muted);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--color-accent);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition), opacity var(--transition);
  opacity: 0;
  padding-left: 46px;
}
.faq-item.active .faq-answer {
  max-height: 200px;
  opacity: 1;
  padding-top: 12px;
  padding-bottom: 6px;
}
.faq-answer p {
  font-size: .9375rem;
  color: var(--color-muted);
  line-height: 1.85;
}
/* === Footer === */
.site-footer {
  background: var(--color-dark);
  color: var(--color-dark-muted);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .brand-text {
  color: var(--color-dark-title);
}
.footer-brand p {
  font-size: .875rem;
  line-height: 1.8;
  margin-top: 14px;
  max-width: 280px;
}
.footer-col h4 {
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-dark-title);
  margin-bottom: 16px;
  letter-spacing: .02em;
}
.footer-col a,
.footer-col p {
  display: block;
  font-size: .875rem;
  color: var(--color-dark-muted);
  line-height: 1.8;
  margin-bottom: 8px;
}
.footer-col a {
  position: relative;
  width: fit-content;
  transition: color var(--transition);
}
.footer-col a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.footer-col a:hover {
  color: var(--color-accent);
}
.footer-col a:hover::after {
  width: 100%;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  text-align: center;
  font-size: .8125rem;
  color: rgba(168,162,154,.7);
}
/* === Modal === */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--transition), visibility var(--transition);
}
.modal.show {
  visibility: visible;
  opacity: 1;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(25,23,21,.55);
}
.modal-card {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(25,23,21,.28);
  max-width: 560px;
  width: 100%;
  padding: 40px;
  transform: translateY(16px) scale(.98);
  transition: transform var(--transition);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}
.modal.show .modal-card {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  color: var(--color-muted);
  font-size: 1.5rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.modal-close:hover {
  background: var(--color-bg);
  color: var(--color-ink);
}
.modal-card h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 6px;
}
.modal-sub {
  font-size: .875rem;
  color: var(--color-muted);
  margin-bottom: 28px;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .9375rem;
  color: var(--color-ink);
  background: var(--color-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(180,131,90,.2);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #B0A8A0;
}
.privacy-note {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .75rem;
  color: var(--color-muted);
  background: var(--color-bg);
  border-radius: 10px;
  padding: 12px 14px;
  margin-top: 20px;
  line-height: 1.6;
}
.privacy-note svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--color-accent);
}
/* === Responsive === */
@media (max-width: 1023px) {
  .nav-panel {
    flex-wrap: wrap;
    padding: 12px 16px;
  }
  .nav-cards {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 8px 0 2px;
    scrollbar-width: none;
  }
  .nav-cards::-webkit-scrollbar {
    display: none;
  }
  .nav-card {
    white-space: nowrap;
  }
  .nav-cta {
    margin-left: auto;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 20px;
  }
  .stat-item:nth-child(3) {
    border-left: none;
  }
  .news-featured {
    grid-template-columns: 1fr;
  }
  .news-featured .news-cover {
    min-height: 220px;
  }
  .news-row {
    grid-template-columns: 220px 1fr;
  }
  .cta-panel {
    padding: 36px 32px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767px) {
  .section {
    padding: 64px 0;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .site-header {
    padding-top: 10px;
  }
  .nav-panel {
    border-radius: 14px;
    align-items: center;
  }
  .nav-toggle {
    display: flex;
    margin-left: auto;
  }
  .nav-cards {
    display: none;
    order: 10;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    background: rgba(255,255,255,.04);
    border-radius: 12px;
    padding: 12px;
    margin-top: 8px;
  }
  .nav-cards.open {
    display: flex;
  }
  .nav-card {
    justify-content: flex-start;
    white-space: normal;
    padding: 12px 14px;
  }
  .nav-cta {
    margin-left: auto;
    display: none;
  }
  .hero {
    min-height: auto;
  }
  .hero-inner {
    padding: 72px 16px;
  }
  .hero-aside {
    display: none;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-trust {
    gap: 14px;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stat-item {
    padding: 20px 12px;
    border-left: none;
    border-bottom: 1px solid rgba(255,255,255,.12);
  }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4) {
    border-bottom: none;
  }
  .section-head-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .news-row {
    grid-template-columns: 1fr;
  }
  .news-row .news-cover {
    min-height: 160px;
  }
  .news-main {
    padding: 20px;
  }
  .news-featured .news-main {
    padding: 24px 20px;
  }
  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
  }
  .cta-right .btn {
    width: 100%;
  }
  .faq-item {
    padding: 16px 18px;
  }
  .faq-answer {
    padding-left: 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }
  .modal-card {
    padding: 28px 20px;
    border-radius: 14px;
    max-height: calc(100vh - 20px);
  }
}
@media (max-width: 520px) {
  .brand-text {
    font-size: 1rem;
  }
  .hero-title {
    font-size: 2.15rem;
  }
  .hero-sub {
    font-size: 1rem;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .stat-item {
    border-bottom: 1px solid rgba(255,255,255,.12);
    padding: 20px 0;
  }
  .stat-item:last-child {
    border-bottom: none;
  }
}

/* roulang page: category1 */
:root {
            --color-bg: #F6F4EF;
            --color-surface: #FFFFFF;
            --color-ink: #1E1C19;
            --color-muted: #6E675F;
            --color-dark: #191715;
            --color-accent: #B4835A;
            --color-accent-hover: #9B6C46;
            --color-secondary: #35685B;
            --color-line: #E7E1D8;
            --color-dark-title: #F3F0EA;
            --color-dark-muted: #A8A29A;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 2px 8px rgba(30, 28, 25, 0.04);
            --shadow-hover: 0 12px 32px rgba(30, 28, 25, 0.08);
            --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background-color: var(--color-bg);
            color: var(--color-ink);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s var(--ease);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        h1, h2, h3, h4 {
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Typography Helpers ===== */
        .font-serif-display {
            font-family: 'Noto Serif SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', serif;
            font-weight: 900;
        }
        .font-serif-title {
            font-family: 'Noto Serif SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', serif;
            font-weight: 700;
        }
        .text-muted {
            color: var(--color-muted);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: all 0.2s var(--ease);
            line-height: 1.5;
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--color-accent);
            color: #fff;
        }
        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: #fff;
        }
        .btn-primary:hover .btn-arrow {
            transform: translateX(4px);
        }
        .btn-outline {
            background-color: transparent;
            border-color: rgba(243, 240, 234, 0.5);
            color: var(--color-dark-title);
        }
        .btn-outline:hover {
            background-color: rgba(180, 131, 90, 0.1);
            border-color: var(--color-accent);
        }
        .btn-dark {
            background-color: var(--color-dark);
            color: var(--color-dark-title);
            border: 1px solid transparent;
        }
        .btn-dark:hover {
            background-color: rgba(25, 23, 21, 0.88);
            color: var(--color-dark-title);
        }
        .btn-nav {
            background-color: #F3F0EA;
            color: var(--color-dark);
            font-weight: 500;
        }
        .btn-nav:hover {
            background-color: var(--color-accent);
            color: #fff;
        }
        .btn-arrow {
            display: inline-block;
            transition: transform 0.2s var(--ease);
        }
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            padding-top: 16px;
            padding-left: 16px;
            padding-right: 16px;
            width: 100%;
        }
        .nav-panel {
            background-color: var(--color-dark);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 12px 20px;
            max-width: 1200px;
            margin: 0 auto;
            box-shadow: 0 8px 24px rgba(25, 23, 21, 0.25);
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            transition: opacity 0.2s var(--ease);
        }
        .brand:hover {
            opacity: 0.85;
        }
        .brand-mark {
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background-color: rgba(243, 240, 234, 0.1);
            border-radius: 8px;
        }
        .brand-text {
            color: var(--color-dark-title);
            font-family: 'Noto Serif SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', serif;
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.02em;
        }
        .nav-cards {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }
        .nav-card {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: rgba(255, 255, 255, 0.08);
            color: var(--color-dark-title);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 10px;
            transition: all 0.22s var(--ease);
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .nav-card .nav-icon {
            width: 16px;
            height: 16px;
            transition: fill 0.2s var(--ease);
        }
        .nav-card:hover {
            background-color: var(--color-accent);
            color: #fff;
            border-color: transparent;
        }
        .nav-card.active {
            border: 1px solid var(--color-accent);
            background-color: rgba(180, 131, 90, 0.18);
            color: var(--color-dark-title);
        }
        .nav-toggle {
            display: none;
            color: var(--color-dark-title);
            padding: 8px;
            border-radius: 8px;
            margin-left: auto;
        }
        .nav-toggle:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-dark);
            color: var(--color-dark-muted);
            padding-top: 64px;
            padding-bottom: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand p {
            font-size: 0.95rem;
            line-height: 1.7;
            margin-top: 16px;
            padding-left: 42px;
        }
        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col h4 {
            color: var(--color-dark-title);
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 4px;
            font-family: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
        }
        .footer-col a {
            color: var(--color-dark-muted);
            font-size: 0.9rem;
            position: relative;
            width: fit-content;
        }
        .footer-col a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background-color: var(--color-accent);
            transition: width 0.2s var(--ease);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-col a:hover::after {
            width: 100%;
        }
        .footer-bottom {
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
        }
        .footer-bottom a {
            color: var(--color-dark-muted);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ===== Hero (Internal Page) ===== */
        .page-hero {
            position: relative;
            background-image: linear-gradient(to bottom, rgba(25, 23, 21, 0.6), rgba(25, 23, 21, 0.5)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-color: var(--color-dark);
            color: var(--color-dark-title);
            padding: 96px 0 80px;
            text-align: center;
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            color: var(--color-accent);
            border: 1px solid rgba(180, 131, 90, 0.4);
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            background-color: rgba(25, 23, 21, 0.3);
            margin-bottom: 16px;
        }
        .page-hero h1 {
            font-family: 'Noto Serif SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', serif;
            font-weight: 900;
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            line-height: 1.2;
            margin-bottom: 24px;
            letter-spacing: -0.02em;
        }
        .page-hero h1 .accent {
            color: var(--color-accent);
        }
        .page-hero .hero-subtitle {
            max-width: 620px;
            margin: 0 auto 32px;
            color: rgba(243, 240, 234, 0.8);
            font-size: 1.125rem;
            line-height: 1.9;
            font-weight: 400;
        }
        .page-hero .hero-cta {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .page-hero .hero-trust {
            margin-top: 28px;
            font-size: 0.8rem;
            color: rgba(243, 240, 234, 0.45);
            display: flex;
            gap: 12px;
            justify-content: center;
            letter-spacing: 0.02em;
        }

        /* ===== Section Spacing ===== */
        .section {
            padding: 96px 0;
        }
        .section-sm {
            padding: 72px 0;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
        }
        .section-header .section-title {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 700;
            margin-bottom: 8px;
            font-family: 'Noto Serif SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', serif;
            line-height: 1.3;
        }
        .section-header .section-sub {
            font-size: 1rem;
            line-height: 1.7;
            max-width: 520px;
        }
        .section-header-right {
            flex-shrink: 0;
        }

        /* ===== Intro Band ===== */
        .intro-band {
            background-color: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            box-shadow: var(--shadow-card);
        }
        .intro-band h2 {
            font-size: 1.8rem;
            margin-bottom: 16px;
        }
        .intro-band p {
            color: var(--color-muted);
            line-height: 1.9;
            margin-bottom: 16px;
            font-size: 1rem;
        }
        .intro-band .intro-points {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
            justify-content: center;
        }
        .intro-band .intro-points li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px 20px;
            background-color: var(--color-bg);
            border-radius: var(--radius-md);
            border-left: 3px solid var(--color-accent);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .intro-points .point-icon {
            color: var(--color-accent);
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ===== Content Cards (Asymmetric) ===== */
        .content-grid {
            display: flex;
            flex-direction: column;
            gap: 64px;
        }
        .content-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .content-row.reverse .content-media {
            order: 2;
        }
        .content-row.reverse .content-body {
            order: 1;
        }
        .content-media {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }
        .content-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .content-media:hover img {
            transform: scale(1.02);
        }
        .content-body {
            padding: 16px 0;
        }
        .content-body .content-tag {
            display: inline-block;
            font-size: 0.8rem;
            color: var(--color-accent);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 12px;
            border: 1px solid rgba(180, 131, 90, 0.3);
            padding: 2px 12px;
            border-radius: 999px;
        }
        .content-body h3 {
            font-size: 1.5rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 16px;
            font-family: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
        }
        .content-body p {
            color: var(--color-muted);
            line-height: 1.9;
            margin-bottom: 20px;
        }
        .content-body .feature-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 24px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.95rem;
            color: var(--color-ink);
        }
        .feature-list li svg {
            color: var(--color-secondary);
            flex-shrink: 0;
            margin-top: 3px;
        }
        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
            color: var(--color-accent-hover);
            font-size: 0.95rem;
            border-bottom: 1px solid transparent;
            transition: all 0.2s var(--ease);
        }
        .link-more:hover {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }
        .link-more .arrow {
            transition: transform 0.2s var(--ease);
        }
        .link-more:hover .arrow {
            transform: translateX(4px);
        }

        /* ===== Stats / Data Band ===== */
        .stats-band {
            background-color: var(--color-dark);
            color: var(--color-dark-title);
            padding: 72px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .stat-item {
            padding: 32px 28px;
            border-right: 1px solid rgba(255, 255, 255, 0.12);
            text-align: center;
        }
        .stat-item:last-child {
            border-right: none;
        }
        .stat-number {
            font-family: 'Noto Serif SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', serif;
            font-weight: 700;
            font-size: clamp(2rem, 4vw, 3rem);
            color: var(--color-accent);
            line-height: 1.2;
        }
        .stat-item:nth-child(2n) .stat-number {
            color: var(--color-secondary);
        }
        .stat-label {
            margin-top: 12px;
            font-size: 1rem;
            color: var(--color-dark-title);
            font-weight: 500;
        }
        .stat-desc {
            font-size: 0.8rem;
            color: var(--color-dark-muted);
            margin-top: 4px;
        }

        /* ===== CTA Card ===== */
        .cta-card {
            background-color: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 56px;
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(to right, var(--color-accent), var(--color-secondary));
        }
        .cta-card h2 {
            font-size: 1.8rem;
            margin-bottom: 8px;
        }
        .cta-card p {
            color: var(--color-muted);
            font-size: 1rem;
        }
        .cta-card .btn {
            flex-shrink: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background-color: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border-left: 4px solid var(--color-accent);
            transition: box-shadow 0.2s var(--ease);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-ink);
            text-align: left;
            transition: background-color 0.2s var(--ease);
            font-family: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
        }
        .faq-question:hover {
            background-color: rgba(180, 131, 90, 0.04);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: rgba(180, 131, 90, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            transition: transform 0.25s var(--ease);
            font-size: 1rem;
            font-weight: 400;
        }
        .faq-item.open .faq-icon {
            transform: rotate(135deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s var(--ease);
        }
        .faq-item.open .faq-answer {
            max-height: 280px;
        }
        .faq-answer p {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--color-muted);
            line-height: 1.8;
        }

        /* ===== Modal ===== */
        .modal-overlay {
            position: fixed;
            inset: 0;
            background-color: rgba(25, 23, 21, 0.55);
            z-index: 100;
            display: none;
            align-items: flex-end;
            justify-content: center;
            padding: 0;
            transition: opacity 0.2s var(--ease);
        }
        .modal-overlay.open {
            display: flex;
        }
        .modal-card {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            max-width: 560px;
            width: 100%;
            padding: 36px 32px 28px;
            box-shadow: 0 24px 64px rgba(25, 23, 21, 0.3);
            animation: slideUp 0.3s var(--ease);
        }
        @keyframes slideUp {
            from { transform: translateY(48px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }
        .modal-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }
        .modal-head h3 {
            font-size: 1.4rem;
            font-family: 'Noto Serif SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', serif;
        }
        .modal-close {
            padding: 6px;
            border-radius: 8px;
            color: var(--color-muted);
            transition: all 0.2s var(--ease);
        }
        .modal-close:hover {
            background-color: var(--color-bg);
            color: var(--color-ink);
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 6px;
            color: var(--color-ink);
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            height: 48px;
            border: 1px solid var(--color-line);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            font-family: inherit;
            font-size: 0.95rem;
            background-color: #fff;
            transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
        }
        .form-group textarea {
            height: auto;
            padding: 12px 14px;
            resize: vertical;
            min-height: 100px;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(180, 131, 90, 0.15);
        }
        .form-privacy {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--color-muted);
            margin-top: 16px;
            line-height: 1.5;
        }
        .form-privacy svg {
            flex-shrink: 0;
            color: var(--color-secondary);
        }
        .form-submit {
            width: 100%;
            margin-top: 16px;
            background-color: var(--color-accent);
            color: #fff;
            font-weight: 500;
            padding: 14px;
            border-radius: var(--radius-sm);
            transition: background-color 0.2s var(--ease);
        }
        .form-submit:hover {
            background-color: var(--color-accent-hover);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            padding: 32px 0 0;
            font-size: 0.85rem;
            color: var(--color-muted);
        }
        .breadcrumb a {
            color: var(--color-muted);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            margin: 0 8px;
            color: var(--color-line);
        }
        .breadcrumb .current {
            color: var(--color-ink);
            font-weight: 500;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-panel {
                flex-wrap: wrap;
            }
            .nav-cards {
                order: 3;
                width: 100%;
                margin-top: 4px;
                overflow-x: auto;
                padding-bottom: 4px;
            }
            .content-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .content-row.reverse .content-media {
                order: 1;
            }
            .content-row.reverse .content-body {
                order: 2;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item:nth-child(2) {
                border-right: none;
            }
            .stat-item:nth-child(1),
            .stat-item:nth-child(2) {
                border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            }
            .intro-band {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 72px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-cards {
                display: none;
            }
            .nav-panel {
                justify-content: space-between;
            }
            .nav-panel .btn-nav {
                display: none;
            }
            .nav-cards.show {
                display: flex;
                flex-direction: row;
                flex-wrap: nowrap;
                order: 3;
                width: 100%;
                overflow-x: auto;
            }
            .nav-cards.show .nav-card {
                flex-shrink: 0;
            }
            .page-hero {
                padding: 64px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .cta-card {
                flex-direction: column;
                text-align: center;
                padding: 40px 24px;
            }
            .modal-card {
                padding: 28px 20px 24px;
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .stats-band {
                padding: 48px 0;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-desc {
                font-size: 0.75rem;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            }
            .stat-item:last-child {
                border-bottom: none;
            }
            .content-grid {
                gap: 48px;
            }
        }

/* roulang page: article */
:root {
  --color-bg: #F6F4EF;
  --color-surface: #FFFFFF;
  --color-ink: #1E1C19;
  --color-muted: #6E675F;
  --color-dark: #191715;
  --color-accent: #B4835A;
  --color-accent-hover: #9B6C46;
  --color-secondary: #35685B;
  --color-line: #E7E1D8;
  --color-dark-title: #F3F0EA;
  --color-dark-muted: #A8A29A;
  --radius-xl: 16px;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow-card: 0 2px 8px rgba(30,28,25,.04);
  --shadow-hover: 0 12px 32px rgba(30,28,25,.08);
  --transition: 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
html, body { overflow-x: hidden; }
body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5 {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
@media (max-width: 640px) {
  .container { padding-left: 16px; padding-right: 16px; }
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font-family: inherit; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 15px;
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}
.btn-primary:hover .btn-arrow { transform: translateX(4px); }
.btn-arrow { display: inline-block; transition: transform var(--transition); }
.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,.5);
  color: var(--color-dark-title);
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--color-dark-title);
  transform: translateY(-1px);
}
.btn-block { width: 100%; }
.btn-nav {
  background: #F3F0EA;
  color: var(--color-ink);
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-weight: 500;
}
.btn-nav:hover {
  background: var(--color-accent);
  color: #fff;
}

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 12px;
  z-index: 50;
  padding: 0 16px;
  margin-top: 16px;
}
.nav-panel {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--color-dark);
  border-radius: var(--radius-xl);
  padding: 14px 20px;
  box-shadow: 0 20px 48px rgba(25,23,21,.25);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  color: var(--color-accent);
  transition: background var(--transition), color var(--transition);
}
.brand:hover .brand-mark {
  background: var(--color-accent);
  color: #fff;
}
.brand-text {
  font-family: 'Noto Serif SC', serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .02em;
  color: var(--color-dark-title);
}
.nav-cards {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}
.nav-card {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.07);
  color: var(--color-dark-title);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.nav-card .nav-icon { width: 17px; height: 17px; }
.nav-card:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: transparent;
}
.nav-card.active {
  background: rgba(180,131,90,.18);
  border-color: var(--color-accent);
  color: #F3E9DE;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  color: var(--color-dark-title);
  cursor: pointer;
  transition: background var(--transition);
}
.nav-toggle:hover { background: rgba(255,255,255,.14); }
.nav-toggle:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; }
  .nav-cards {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--color-dark);
    border-radius: var(--radius-xl);
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    box-shadow: 0 24px 48px rgba(25,23,21,.35);
  }
  .nav-cards.open { display: flex; }
  .nav-card {
    justify-content: flex-start;
    padding: 14px 18px;
  }
  .nav-cta { display: none; }
}
@media (max-width: 640px) {
  .brand-text { font-size: 17px; }
  .nav-panel { gap: 12px; padding: 12px 14px; }
  .site-header { margin-top: 8px; padding: 0 8px; }
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--color-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb-sep { color: #C9C1B6; }
.breadcrumb-current { color: var(--color-ink); font-weight: 500; }

/* ===== 文章标题区 ===== */
.article-header {
  max-width: 860px;
  margin: 0 auto;
  padding: 72px 24px 32px;
}
.article-title {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.015em;
  margin-bottom: 20px;
  color: var(--color-ink);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-line);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
}
.badge-outline {
  background: rgba(180,131,90,.12);
  color: #8A5A36;
  border: 1px solid rgba(180,131,90,.25);
}
.badge-solid {
  background: var(--color-secondary);
  color: #fff;
}
.meta-date, .meta-author {
  font-size: 14px;
  color: var(--color-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ===== 正文区 ===== */
.article-body-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px 48px;
}
.article-body p {
  font-size: 1.0625rem;
  line-height: 1.95;
  margin-bottom: 24px;
  color: #3B3630;
}
.article-body h2 {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 48px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-line);
}
.article-body h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 36px 0 12px;
  line-height: 1.45;
}
.article-body h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 28px 0 10px;
}
.article-body ul, .article-body ol {
  margin-bottom: 24px;
  padding-left: 24px;
  line-height: 1.9;
  color: #3B3630;
}
.article-body ul { list-style: square; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
  border-left: 4px solid var(--color-accent);
  background: var(--color-bg);
  padding: 20px 28px;
  margin: 32px 0;
  border-radius: 0 12px 12px 0;
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.8;
}
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body img {
  border-radius: var(--radius-lg);
  margin: 32px 0;
  width: 100%;
  height: auto;
}
.article-body strong { color: var(--color-ink); }
.article-body a { color: var(--color-accent); border-bottom: 1px solid rgba(180,131,90,.3); }
.article-body a:hover { color: var(--color-accent-hover); border-bottom-color: var(--color-accent); }

/* ===== 空态 ===== */
.article-empty {
  max-width: 720px;
  margin: 120px auto;
  padding: 48px 32px;
  text-align: center;
  background: var(--color-surface);
  border: 1px dashed #D8D1C5;
  border-radius: var(--radius-xl);
}
.article-empty p { font-size: 1.25rem; color: var(--color-muted); margin-bottom: 24px; }
.article-empty .btn { background: var(--color-accent); color: #fff; }

/* ===== 相关推荐 ===== */
.related-section {
  padding: 64px 0 32px;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.related-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 36px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.related-title::before {
  content: "";
  width: 4px;
  height: 26px;
  background: var(--color-accent);
  border-radius: 999px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.related-cover {
  aspect-ratio: 16 / 9;
  background: #EAE5DC;
  overflow: hidden;
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.related-card:hover .related-cover img { transform: scale(1.04); }
.related-body { padding: 20px 22px 24px; }
.related-body h3 {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 12px;
  color: var(--color-ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--color-muted);
}
.related-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}
.related-card:hover .related-link { gap: 9px; }
@media (max-width: 1023px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .related-grid { grid-template-columns: 1fr; }
}

/* ===== 文章底部 ===== */
.article-end {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 24px 80px;
}
.article-end-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  border-top: 1px solid var(--color-line);
  padding-top: 28px;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  color: var(--color-muted);
  transition: color var(--transition), gap var(--transition);
}
.back-link:hover { color: var(--color-accent); gap: 9px; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--color-dark);
  color: var(--color-dark-muted);
  padding: 56px 0 0;
  margin-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 42px;
}
.footer-brand p {
  font-size: 14px;
  margin-top: 16px;
  max-width: 320px;
  color: var(--color-dark-muted);
}
.footer-col h4 {
  color: var(--color-dark-title);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: .04em;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--color-dark-muted);
  padding: 6px 0;
  transition: color var(--transition);
  position: relative;
}
.footer-col a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.footer-col a:hover { color: var(--color-accent); }
.footer-col a:hover::after { width: 100%; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.09);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,.4);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ===== 模态框 ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(25,23,21,.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal-box {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  max-width: 560px;
  width: 100%;
  padding: 40px;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition);
  box-shadow: 0 32px 64px rgba(0,0,0,.25);
}
.modal-overlay.open .modal-box { transform: translateY(0); }
.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-line);
  background: transparent;
  color: var(--color-muted);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.modal-close:hover { background: var(--color-bg); color: var(--color-ink); transform: rotate(90deg); }
.modal-close:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.modal-box h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-ink);
}
.modal-box .modal-desc {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 28px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--color-ink);
}
.form-group input,
.form-group textarea {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  font-size: 15px;
  background: #FFF;
  color: var(--color-ink);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group textarea { height: auto; padding: 12px 14px; resize: vertical; }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(180,131,90,.18);
}
.privacy-note {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--color-muted);
  margin-top: 16px;
}
.privacy-note svg { width: 15px; height: 15px; flex-shrink: 0; color: var(--color-secondary); }
@media (max-width: 640px) {
  .modal-box { padding: 32px 24px; max-height: 92vh; overflow-y: auto; }
}

/* ===== 图片降级 ===== */
.hero-img-fallback, .img-fallback { background: #E9E3D8; }

/* roulang page: category2 */
:root {
      --color-bg: #F6F4EF;
      --color-surface: #FFFFFF;
      --color-ink: #1E1C19;
      --color-muted: #6E675F;
      --color-dark: #191715;
      --color-accent: #B4835A;
      --color-accent-hover: #9B6C46;
      --color-secondary: #35685B;
      --color-line: #E7E1D8;
      --color-dark-text: #F3F0EA;
      --color-dark-muted: #A8A29A;
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 10px;
      --radius-xs: 8px;
      --shadow-card: 0 2px 8px rgba(30,28,25,.04);
      --shadow-card-hover: 0 12px 32px rgba(30,28,25,.08);
      --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--color-bg);
      color: var(--color-ink);
      font-family: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    input, textarea {
      font-family: inherit;
    }

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

    @media (max-width: 640px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
    }

    /* ===== Header & Nav ===== */
    .site-header {
      position: relative;
      z-index: 50;
      padding: 16px 16px 0;
    }

    .nav-panel {
      display: flex;
      align-items: center;
      gap: 12px 20px;
      background: var(--color-dark);
      border-radius: var(--radius-lg);
      padding: 12px 16px;
      box-shadow: 0 8px 24px rgba(25,23,21,.12);
      flex-wrap: nowrap;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--color-dark-text);
      flex-shrink: 0;
    }

    .brand-mark {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--color-accent);
      color: #fff;
    }

    .brand-text {
      font-family: 'Noto Serif SC', 'Songti SC', SimSun, serif;
      font-weight: 700;
      font-size: 1.15rem;
      letter-spacing: .02em;
      white-space: nowrap;
    }

    .nav-cards {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: auto;
    }

    .nav-card {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.08);
      color: var(--color-dark-text);
      font-size: .925rem;
      font-weight: 500;
      transition: background .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease);
    }

    .nav-card .nav-icon {
      width: 17px;
      height: 17px;
      flex-shrink: 0;
    }

    .nav-card:hover {
      background: var(--color-accent);
      color: #fff;
    }

    .nav-card.active {
      box-shadow: inset 0 0 0 2px var(--color-accent);
    }

    .nav-card:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 2px;
    }

    .nav-cta {
      background: var(--color-dark-text);
      color: var(--color-dark);
      border-radius: var(--radius-xs);
      padding: 10px 20px;
      font-weight: 600;
      font-size: .9rem;
      transition: background .2s var(--ease), color .2s var(--ease);
      flex-shrink: 0;
    }

    .nav-cta:hover {
      background: var(--color-accent);
      color: #fff;
    }

    .nav-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      border: 1px solid rgba(255,255,255,.2);
      background: rgba(255,255,255,.08);
      color: var(--color-dark-text);
      flex-shrink: 0;
    }

    @media (max-width: 768px) {
      .site-header {
        position: sticky;
        top: 0;
        background: rgba(246,244,239,.96);
        padding: 8px 12px 8px;
        box-shadow: 0 4px 12px rgba(25,23,21,.06);
      }

      .nav-panel {
        padding: 10px;
        gap: 8px;
      }

      .nav-cards {
        display: none;
        order: 10;
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
        margin-left: 0;
        margin-top: 8px;
        padding-bottom: 2px;
      }

      .nav-cards.open {
        display: flex;
      }

      .nav-card {
        flex-shrink: 0;
        white-space: nowrap;
      }

      .nav-cta {
        margin-left: auto;
        padding: 8px 14px;
        font-size: .875rem;
      }

      .nav-toggle {
        display: inline-flex;
        margin-left: 8px;
      }
    }

    @media (max-width: 400px) {
      .brand-text {
        font-size: 1rem;
      }
      .nav-cta {
        font-size: .8125rem;
        padding: 7px 12px;
      }
    }

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: var(--radius-xs);
      padding: 14px 28px;
      font-weight: 600;
      font-size: 1rem;
      border: 1px solid transparent;
      transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
    }

    .btn:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 2px;
    }

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

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

    .btn-outline {
      border-color: rgba(255,255,255,.45);
      color: var(--color-dark-text);
      background: transparent;
    }

    .btn-outline:hover {
      background: rgba(255,255,255,.1);
    }

    .btn-block {
      width: 100%;
    }

    /* ===== Hero ===== */
    .category-hero {
      position: relative;
      min-height: 420px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      background: linear-gradient(rgba(25,23,21,.62), rgba(25,23,21,.5)), url('/assets/images/backpic/back-1.png') center/cover;
      color: var(--color-dark-text);
      padding: 110px 24px 80px;
    }

    .category-hero .container {
      position: relative;
      z-index: 1;
    }

    .hero-breadcrumb {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: .875rem;
      color: var(--color-dark-muted);
      margin-bottom: 20px;
    }

    .hero-breadcrumb a {
      transition: color .2s var(--ease);
    }

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

    .category-hero h1 {
      font-family: 'Noto Serif SC', 'Songti SC', SimSun, serif;
      font-weight: 900;
      font-size: clamp(2.5rem, 6vw, 4rem);
      line-height: 1.15;
      margin: 0 0 18px;
      color: #fff;
      letter-spacing: -0.02em;
    }

    .category-hero .lead {
      max-width: 640px;
      margin: 0 auto;
      font-size: 1.125rem;
      color: var(--color-dark-muted);
      line-height: 1.8;
    }

    /* ===== Sections ===== */
    .section {
      padding: 96px 0;
    }

    @media (max-width: 768px) {
      .section {
        padding: 64px 0;
      }
    }

    .section-head {
      margin-bottom: 48px;
    }

    .section-head h2 {
      font-family: 'Noto Serif SC', 'Songti SC', SimSun, serif;
      font-size: 2.25rem;
      font-weight: 700;
      letter-spacing: -0.01em;
      margin: 0 0 14px;
      line-height: 1.25;
    }

    .section-head p {
      color: var(--color-muted);
      font-size: 1.0625rem;
      line-height: 1.8;
      max-width: 680px;
      margin: 0;
    }

    .section-head.text-center p {
      margin-left: auto;
      margin-right: auto;
    }

    .tag-overline {
      display: inline-block;
      font-size: .8125rem;
      letter-spacing: .08em;
      text-transform: uppercase;
      color: var(--color-accent);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .faq-section {
      background: #F1EEE8;
    }

    /* ===== Split Cards ===== */
    .split-card {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
      margin-bottom: 80px;
    }

    .split-card:last-child {
      margin-bottom: 0;
    }

    .split-card.reverse .split-media {
      order: 2;
    }

    .split-card.reverse .split-content {
      order: 1;
    }

    .split-media img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
    }

    .split-content h3 {
      font-size: 1.5rem;
      font-weight: 600;
      margin: 0 0 12px;
      line-height: 1.35;
    }

    .split-content p {
      color: var(--color-muted);
      line-height: 1.85;
      margin: 0;
      max-width: 520px;
    }

    @media (max-width: 768px) {
      .split-card,
      .split-card.reverse {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 56px;
      }

      .split-card.reverse .split-media,
      .split-card.reverse .split-content {
        order: auto;
      }

      .split-content h3 {
        font-size: 1.3rem;
      }
    }

    /* ===== Image Fallback ===== */
    .img-fallback img {
      display: none;
    }

    .img-fallback {
      background: var(--color-line);
      min-height: 220px;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .img-fallback::after {
      content: '千赢官网';
      color: var(--color-muted);
      font-size: 1rem;
    }

    /* ===== Value Cards ===== */
    .value-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .value-card {
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-card);
      transition: transform .25s var(--ease), box-shadow .25s var(--ease);
    }

    .value-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-card-hover);
    }

    .value-icon {
      width: 42px;
      height: 42px;
      border-radius: 10px;
      background: rgba(180,131,90,.12);
      color: var(--color-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }

    .value-icon svg {
      width: 20px;
      height: 20px;
    }

    .value-card h3 {
      font-size: 1.125rem;
      font-weight: 600;
      margin: 0 0 8px;
    }

    .value-card p {
      color: var(--color-muted);
      font-size: .9375rem;
      line-height: 1.7;
      margin: 0;
    }

    @media (max-width: 1024px) {
      .value-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 640px) {
      .value-grid {
        grid-template-columns: 1fr;
      }
    }

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

    .faq-item {
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-left: 4px solid var(--color-accent);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: box-shadow .2s var(--ease);
    }

    .faq-item:hover {
      box-shadow: var(--shadow-card-hover);
    }

    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 22px 24px;
      cursor: pointer;
      gap: 16px;
      font-family: 'Noto Sans SC', sans-serif;
      font-size: 1.0625rem;
      font-weight: 600;
      margin: 0;
      line-height: 1.5;
      color: var(--color-ink);
    }

    .faq-icon {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      width: 24px;
      height: 24px;
      color: var(--color-accent);
      transition: transform .25s var(--ease);
    }

    .faq-item.open .faq-icon {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .25s var(--ease), padding .25s var(--ease);
    }

    .faq-item.open .faq-answer {
      max-height: 360px;
      padding: 0 24px 22px;
    }

    .faq-answer p {
      color: var(--color-muted);
      line-height: 1.8;
      font-size: .9375rem;
      margin: 0;
    }

    /* ===== CTA Card ===== */
    .cta-card {
      background: var(--color-dark);
      border-radius: var(--radius-lg);
      padding: 64px 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      color: var(--color-dark-text);
    }

    .cta-card h2 {
      font-family: 'Noto Serif SC', 'Songti SC', SimSun, serif;
      font-size: 2rem;
      font-weight: 700;
      margin: 0 0 12px;
      line-height: 1.25;
    }

    .cta-card p {
      color: var(--color-dark-muted);
      margin: 0;
      max-width: 480px;
      line-height: 1.8;
    }

    .cta-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      justify-content: center;
      flex-shrink: 0;
    }

    @media (max-width: 768px) {
      .cta-card {
        flex-direction: column;
        text-align: center;
        padding: 48px 24px;
      }

      .cta-card p {
        margin-left: auto;
        margin-right: auto;
      }
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--color-dark);
      color: var(--color-dark-muted);
      padding: 64px 16px 24px;
    }

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

    .footer-brand p {
      margin: 16px 0 0;
      max-width: 260px;
      line-height: 1.8;
    }

    .footer-col h4 {
      color: var(--color-dark-text);
      font-size: 1rem;
      margin: 0 0 16px;
      font-weight: 600;
    }

    .footer-col a {
      display: block;
      margin-bottom: 10px;
      color: var(--color-dark-muted);
      transition: color .2s var(--ease);
    }

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

    .footer-col p {
      margin: 0;
      line-height: 1.7;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.12);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      font-size: .875rem;
    }

    @media (max-width: 768px) {
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }

    /* ===== Modal ===== */
    .modal-overlay {
      position: fixed;
      inset: 0;
      background: rgba(25,23,21,.55);
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 100;
      padding: 20px;
    }

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

    .modal-card {
      background: var(--color-surface);
      border-radius: var(--radius-lg);
      max-width: 560px;
      width: 100%;
      padding: 40px;
      position: relative;
      box-shadow: 0 24px 64px rgba(25,23,21,.2);
    }

    .modal-close {
      position: absolute;
      top: 16px;
      right: 16px;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      border: none;
      background: var(--color-bg);
      color: var(--color-muted);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background .2s var(--ease), color .2s var(--ease);
    }

    .modal-close:hover {
      background: var(--color-accent);
      color: #fff;
    }

    .modal-card h3 {
      font-family: 'Noto Serif SC', 'Songti SC', SimSun, serif;
      font-size: 1.5rem;
      font-weight: 700;
      margin: 0 0 6px;
    }

    .modal-subtitle {
      color: var(--color-muted);
      font-size: .9375rem;
      margin: 0 0 24px;
    }

    .form-field {
      margin-bottom: 18px;
    }

    .form-field label {
      display: block;
      font-size: .875rem;
      font-weight: 600;
      margin-bottom: 6px;
    }

    .form-field input,
    .form-field textarea {
      width: 100%;
      height: 48px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-xs);
      padding: 0 14px;
      background: #fff;
      color: var(--color-ink);
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
    }

    .form-field textarea {
      height: auto;
      padding: 12px 14px;
      resize: vertical;
    }

    .form-field input:focus,
    .form-field textarea:focus {
      outline: none;
      border-color: var(--color-accent);
      box-shadow: 0 0 0 3px rgba(180,131,90,.18);
    }

    .privacy-note {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 6px;
      font-size: .8125rem;
      color: var(--color-muted);
      margin: 18px 0 0;
    }

    @media (max-width: 768px) {
      .modal-card {
        padding: 32px 24px;
      }
    }

    @media (max-width: 520px) {
      .modal-overlay {
        align-items: flex-end;
        padding: 0;
      }

      .modal-card {
        max-width: 100%;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
      }
    }