/* roulang page: index */
:root {
  --primary-900: #0E1E1A;
  --primary-800: #142B24;
  --primary-700: #1D4037;
  --gold-500: #C6A15B;
  --gold-400: #D6BA7A;
  --ivory: #F5F1EA;
  --surface: #FFFFFF;
  --ink: #1E201D;
  --muted: #666B66;
  --hr: #E4DED4;
  --radius-card: 16px;
  --radius-pill: 999px;
  --shadow-card: 0 10px 30px rgba(14, 30, 26, 0.08);
  --shadow-card-hover: 0 18px 40px rgba(0, 0, 0, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input {
  font: inherit;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

.wrap {
  width: min(1200px, 100% - 40px);
  margin-right: auto;
  margin-left: auto;
}

.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 60;
}

.header-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 12px 10px 24px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(214, 186, 122, 0.28);
  background: rgba(14, 30, 26, 0.82);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.site-header.is-scrolled .header-bar {
  background: rgba(14, 30, 26, 0.88);
  border-color: rgba(214, 186, 122, 0.42);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.32);
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--gold-400);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-dot {
  width: 9px;
  height: 9px;
  border-radius: 4px;
  background: var(--gold-500);
  box-shadow: 0 0 0 4px rgba(198, 161, 91, 0.15);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  color: rgba(245, 241, 234, 0.92);
  font-size: 14.5px;
  font-weight: 600;
  transition: background .25s ease, color .25s ease, transform .25s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  background: rgba(198, 161, 91, 0.15);
  color: var(--gold-400);
}

.nav-link.active {
  color: var(--gold-400);
  background: rgba(198, 161, 91, 0.18);
}

.nav-cta {
  white-space: nowrap;
}

.burger {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(214, 186, 122, 0.3);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.burger span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold-400);
  transition: transform .25s ease, opacity .25s ease;
}

.site-header.is-open .burger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.is-open .burger span:nth-child(2) {
  opacity: 0;
}

.site-header.is-open .burger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background .25s ease, border-color .25s ease, color .25s ease, transform .2s ease, box-shadow .25s ease;
}

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

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.65);
}

.btn-primary {
  background: var(--gold-500);
  color: var(--primary-900);
  box-shadow: 0 12px 26px rgba(198, 161, 91, 0.26);
}

.btn-primary:hover {
  background: var(--gold-400);
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(198, 161, 91, 0.36);
}

.btn-outline {
  background: transparent;
  border-color: rgba(214, 186, 122, 0.5);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(198, 161, 91, 0.12);
  border-color: var(--gold-400);
  transform: translateY(-2px);
}

.btn-sm {
  min-height: 40px;
  padding: 0 20px;
  font-size: 14px;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-700);
  font-weight: 700;
}

.btn-link:hover {
  color: var(--gold-500);
}

.hero {
  position: relative;
  min-height: 720px;
  color: #fff;
  background-size: cover;
  background-position: center;
  padding: 168px 0 72px;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(214, 186, 122, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(214, 186, 122, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-wrap {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(340px, 0.72fr);
  gap: 52px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(214, 186, 122, 0.26);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(245, 241, 234, 0.9);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold-400);
  box-shadow: 0 0 0 5px rgba(198, 161, 91, 0.2);
}

.hero h1 {
  margin-bottom: 18px;
  font-size: clamp(2.6rem, 4.8vw, 4.5rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.hero-lead {
  color: rgba(245, 241, 234, 0.85);
  font-size: 1.08rem;
  max-width: 600px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid rgba(214, 186, 122, 0.2);
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(245, 241, 234, 0.88);
  font-size: 14px;
}

.meta-chip strong {
  color: var(--gold-400);
  font-weight: 700;
}

.hero-visual {
  position: relative;
  min-height: 420px;
}

.hero-poster {
  position: absolute;
  width: 66%;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
}

.hero-poster img,
.hero-poster-mini img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-poster.main {
  top: 4%;
  left: 0;
  aspect-ratio: 4 / 5;
  z-index: 1;
}

.hero-poster.mini {
  right: 0;
  bottom: 0;
  width: 42%;
  aspect-ratio: 3 / 4;
  z-index: 2;
  border: 4px solid rgba(20, 43, 36, 0.9);
}

.poster-caption {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 3;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(14, 30, 26, 0.72);
  color: var(--gold-400);
  font-size: 13px;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.section {
  padding: 72px 0;
}

.section-ivory {
  background: var(--ivory);
}

.section-white {
  background: var(--surface);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}

.section-eyebrow {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--gold-500);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.section-title {
  margin-bottom: 0;
  color: var(--primary-900);
  font-size: clamp(1.75rem, 2.6vw, 2.45rem);
  font-weight: 800;
  line-height: 1.2;
}

.section-sub {
  max-width: 620px;
  color: var(--muted);
  font-size: 0.98rem;
  margin: 12px 0 0;
}

.head-side {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(14, 30, 26, 0.16);
  border-radius: 50%;
  background: #fff;
  color: var(--primary-800);
  cursor: pointer;
  transition: background .25s ease, color .25s ease, box-shadow .25s ease, transform .2s ease;
}

.icon-btn:hover {
  background: var(--gold-500);
  color: var(--primary-900);
  box-shadow: 0 10px 24px rgba(198, 161, 91, 0.32);
  transform: translateY(-2px);
}

.icon-btn svg {
  width: 19px;
  height: 19px;
}

.tube {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 8px 4px 26px;
  scroll-behavior: smooth;
  scrollbar-width: none;
}

.tube::-webkit-scrollbar {
  display: none;
}

.tube-card {
  position: relative;
  flex: 0 0 228px;
  display: block;
  border-radius: 18px;
  overflow: hidden;
  background: var(--primary-900);
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
}

@media (max-width: 767px) {
  .tube-card {
    flex-basis: 76vw;
  }
}

.tube-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 30, 26, 0.1) 30%, rgba(14, 30, 26, 0.96) 100%);
  pointer-events: none;
}

.tube-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.tube-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform .5s ease;
}

.tube-card:hover img {
  transform: scale(1.05);
}

.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 3;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(14, 30, 26, 0.6);
  border: 1px solid rgba(214, 186, 122, 0.36);
  color: #ece4d2;
  font-size: 12px;
  font-weight: 700;
  backdrop-filter: blur(6px);
}

.card-tag.gold {
  background: rgba(198, 161, 91, 0.9);
  color: var(--primary-900);
  border-color: transparent;
}

.card-bottom {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 15px;
  z-index: 3;
  color: #fff;
}

.card-bottom-title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.card-bottom-note {
  color: rgba(245, 241, 234, 0.72);
  font-size: 13px;
}

.spotlight-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
  align-items: stretch;
}

.spotlight-main {
  position: relative;
  min-height: 410px;
  padding: 42px;
  border-radius: 22px;
  color: #fff;
  background-size: cover;
  background-position: center;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  box-shadow: var(--shadow-card);
}

.spotlight-main::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(14, 30, 26, 0.05) 0%, rgba(14, 30, 26, 0.9) 88%);
  z-index: 1;
  pointer-events: none;
}

.spotlight-content {
  position: relative;
  z-index: 2;
}

.spotlight-label {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(198, 161, 91, 0.22);
  border: 1px solid rgba(198, 161, 91, 0.42);
  color: var(--gold-400);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 14px;
}

.spotlight-main h3 {
  margin-bottom: 10px;
  font-size: clamp(1.5rem, 2.2vw, 2.2rem);
  font-weight: 800;
}

.spotlight-main p {
  max-width: 540px;
  color: rgba(245, 241, 234, 0.85);
  margin-bottom: 20px;
}

.spotlight-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.aside-card {
  display: flex;
  gap: 14px;
  padding: 16px;
  border-radius: 16px;
  background: var(--ivory);
  border: 1px solid rgba(228, 222, 212, 0.9);
  transition: background .25s ease, transform .25s ease, box-shadow .25s ease;
}

.aside-card:hover {
  background: #fff;
  transform: translateX(3px);
  box-shadow: var(--shadow-card);
}

.aside-ico {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(198, 161, 91, 0.18);
  color: var(--primary-800);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  flex-shrink: 0;
}

.aside-card h4 {
  margin: 0 0 4px;
  color: var(--primary-900);
  font-size: 15px;
  font-weight: 800;
}

.aside-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.channel-block {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 24px;
  padding: 28px 0 38px;
  border-bottom: 1px solid var(--hr);
}

.channel-block:last-child {
  border-bottom: none;
}

.channel-num {
  display: block;
  color: rgba(198, 161, 91, 0.75);
  font-size: 60px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 12px;
}

.channel-intro h3 {
  color: var(--primary-900);
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 10px;
}

.channel-intro p {
  color: var(--muted);
  font-size: 0.95rem;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.mini-card {
  display: block;
  border-radius: 16px;
  background: #fff;
  border: 1px solid rgba(228, 222, 212, 0.7);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}

.mini-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

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

.mini-card-body {
  padding: 14px;
}

.mini-card-body h4 {
  margin-bottom: 5px;
  color: var(--primary-900);
  font-size: 15px;
  font-weight: 800;
}

.mini-card-body p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.news-card {
  display: flex;
  width: 100%;
  min-height: 100%;
  background: #fff;
  border: 1px solid rgba(228, 222, 212, 0.8);
  border-radius: 16px;
  overflow: hidden;
  transition: transform .28s ease, box-shadow .28s ease;
}

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

.news-card-link {
  display: flex;
  gap: 0;
  width: 100%;
}

.news-date-badge {
  width: 92px;
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 18px 8px;
  background: rgba(14, 30, 26, 0.03);
  border-right: 1px solid rgba(228, 222, 212, 0.75);
  color: var(--primary-800);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  line-height: 1.5;
}

.news-content {
  padding: 18px 20px 16px;
  min-width: 0;
}

.news-cat {
  display: inline-block;
  margin-bottom: 7px;
  padding: 3px 11px;
  border-radius: 999px;
  background: rgba(198, 161, 91, 0.16);
  color: #8a6a2f;
  font-size: 12px;
  font-weight: 800;
}

.news-content h3 {
  margin-bottom: 7px;
  color: var(--primary-900);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-content p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.news-empty {
  padding: 48px 28px;
  border: 1px dashed rgba(198, 161, 91, 0.55);
  border-radius: 18px;
  background: rgba(245, 241, 234, 0.7);
  color: var(--muted);
  text-align: center;
  font-size: 15px;
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 28px;
}

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

.faq-item summary {
  padding: 20px 8px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--primary-900);
  font-weight: 800;
  font-size: 16px;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(198, 161, 91, 0.18);
  color: var(--primary-900);
  font-size: 20px;
  font-weight: 700;
  transition: transform .25s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 8px 24px;
  color: var(--muted);
  font-size: 15px;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  padding: 64px 58px;
  border-radius: 26px;
  background: radial-gradient(1100px 320px at 85% 0%, rgba(29, 64, 55, 0.95), rgba(14, 30, 26, 0.98) 60%), var(--primary-900);
  border: 1px solid rgba(198, 161, 91, 0.35);
  box-shadow: 0 30px 70px rgba(14, 30, 26, 0.2);
  color: #fff;
}

.cta-panel::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(214, 186, 122, 0.12);
  filter: blur(50px);
}

.cta-panel>* {
  position: relative;
  z-index: 2;
}

.cta-panel h2 {
  color: var(--gold-400);
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.footer {
  color: rgba(245, 241, 234, 0.8);
  background: var(--primary-900);
  padding: 66px 0 30px;
  border-top: 1px solid rgba(214, 186, 122, 0.16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 30px;
  padding-bottom: 46px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
  color: var(--gold-400);
  font-size: 21px;
  font-weight: 800;
}

.footer-brand .brand-dot {
  width: 8px;
  height: 8px;
}

.footer-notes {
  color: rgba(245, 241, 234, 0.55);
  font-size: 13px;
  max-width: 320px;
}

.footer h4 {
  color: #f6efe1;
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.footer-links a {
  color: rgba(245, 241, 234, 0.68);
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}

.footer-links a:hover {
  color: var(--gold-400);
  padding-left: 4px;
}

.footer-line {
  padding-top: 22px;
  border-top: 1px solid rgba(245, 241, 234, 0.1);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: rgba(245, 241, 234, 0.42);
  font-size: 13px;
}

@media (max-width: 1023px) {
  .section {
    padding: 54px 0;
  }
  .hero {
    min-height: 0;
    padding: 140px 0 58px;
  }
  .hero-wrap {
    grid-template-columns: 1fr;
    gap: 38px;
  }
  .hero-visual {
    min-height: auto;
    max-width: 460px;
    height: 360px;
    margin-left: auto;
  }
  .spotlight-grid,
  .channel-block {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .header-bar {
    border-radius: 22px;
  }
  .brand-logo {
    font-size: 16px;
  }
  .header-right {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 10px);
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 18px;
    border-radius: 22px;
    border: 1px solid rgba(198, 161, 91, 0.3);
    background: rgba(14, 30, 26, 0.97);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(18px);
  }
  .site-header.is-open .header-right {
    display: flex;
  }
  .header-nav {
    flex-direction: column;
    align-items: stretch;
  }
  .nav-link {
    justify-content: center;
    min-height: 44px;
  }
  .nav-cta {
    justify-content: center;
  }
  .burger {
    display: inline-flex;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 22px;
  }
  .hero {
    padding-top: 122px;
  }
  .hero h1 {
    font-size: clamp(2rem, 8.5vw, 2.8rem);
  }
  .hero-visual {
    max-width: 100%;
    height: auto;
    display: none;
  }
  .hero-meta {
    align-items: flex-start;
    flex-direction: column;
  }
  .mini-grid {
    grid-template-columns: 1fr 1fr;
  }
  .mini-card-body {
    padding: 10px;
  }
  .mini-card-body h4 {
    font-size: 13px;
  }
  .mini-card-body p {
    font-size: 12px;
  }
  .spotlight-main {
    padding: 28px 18px;
    min-height: 360px;
  }
  .news-grid,
  .faq-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .news-card-link {
    flex-direction: column;
  }
  .news-date-badge {
    width: 100%;
    justify-content: flex-start;
    align-items: center;
    border-right: none;
    border-bottom: 1px solid rgba(228, 222, 212, 0.75);
    padding: 9px 18px;
    font-size: 12px;
  }
  .cta-panel {
    padding: 42px 24px;
  }
  .wrap {
    width: min(100% - 28px, 1200px);
  }
}

@media (max-width: 520px) {
  .mini-grid {
    grid-template-columns: 1fr;
  }
}

/* roulang page: article */
:root {
  --primary-900: #0E1E1A;
  --primary-800: #142B24;
  --primary-700: #1D4037;
  --gold-500: #C6A15B;
  --gold-400: #D6BA7A;
  --ivory: #F5F1EA;
  --surface: #FFFFFF;
  --ink: #1E201D;
  --muted: #666B66;
  --hr: #E4DED4;
  --radius-card: 16px;
  --shadow-sm: 0 10px 30px rgba(14,30,26,0.08);
  --shadow-lg: 0 18px 40px rgba(0,0,0,0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--ivory);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}

button,
input {
  font-family: inherit;
}

.wrap {
  width: min(1200px, calc(100% - 2rem));
  margin-inline: auto;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0 0;
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(14, 30, 26, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: 999px;
  border: 1px solid rgba(214, 186, 122, 0.18);
  box-shadow: 0 14px 34px rgba(14, 30, 26, 0.12);
  padding: 8px 10px 8px 22px;
}

.site-header.scrolled .header-bar {
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--gold-400);
  white-space: nowrap;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold-500);
  box-shadow: 0 0 0 4px rgba(198, 161, 91, 0.18);
  display: inline-block;
}

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

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.86);
  transition: background 0.25s ease, color 0.25s ease;
}

.nav-link:hover {
  background: rgba(198, 161, 91, 0.16);
  color: #fff;
}

.nav-link.active {
  background: rgba(198, 161, 91, 0.22);
  color: var(--gold-400);
  font-weight: 700;
}

.nav-cta {
  flex: none;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 0;
  padding: 10px;
  cursor: pointer;
  border-radius: 999px;
}

.burger span {
  width: 22px;
  height: 2px;
  border-radius: 4px;
  background: var(--gold-400);
  display: block;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.burger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger.open span:nth-child(2) {
  opacity: 0;
}

.burger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  height: 46px;
  padding: 0 1.4rem;
  font-size: 0.95rem;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, transform 0.15s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.btn:focus-visible {
  outline: 3px solid rgba(198, 161, 91, 0.6);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(1px);
  filter: brightness(0.97);
}

.btn-sm {
  height: 40px;
  padding: 0 1.2rem;
  font-size: 0.86rem;
}

.btn-lg {
  height: 52px;
  padding: 0 2rem;
  font-size: 1rem;
}

.btn-primary {
  background: var(--gold-500);
  color: var(--primary-900);
}

.btn-primary:hover {
  background: var(--gold-400);
  box-shadow: 0 8px 22px rgba(198, 161, 91, 0.3);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  background: transparent;
}

.btn-outline:hover {
  background: rgba(198, 161, 91, 0.12);
  border-color: rgba(198, 161, 91, 0.6);
}

.btn-dark-outline {
  border: 1.5px solid rgba(20, 43, 36, 0.25);
  color: var(--primary-800);
  background: transparent;
}

.btn-dark-outline:hover {
  background: rgba(198, 161, 91, 0.1);
  border-color: var(--gold-500);
}

/* ===== Article main ===== */
.article-main {
  padding-top: 104px;
}

.article-shell {
  max-width: 872px;
  margin-inline: auto;
  background: var(--surface);
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
  padding: clamp(24px, 4vw, 52px);
  margin-bottom: 40px;
  border: 1px solid rgba(228, 222, 212, 0.8);
}

.breadcrumb {
  font-size: 0.82rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 28px;
}

.breadcrumb a {
  color: var(--primary-700);
}

.breadcrumb a:hover {
  color: var(--gold-500);
}

.crumb-sep {
  color: #AFAAA2;
}

.article-cat-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 5px;
  background: rgba(29, 64, 55, 0.1);
  color: var(--primary-700);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 3px 10px;
  margin-bottom: 16px;
}

.article-title {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--primary-900);
  margin: 0 0 20px 0;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--hr);
}

.article-meta .meta-divider {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #BFB9AF;
  display: inline-block;
}

.cms-content {
  color: var(--ink);
}

.cms-content p {
  margin: 0 0 1.25rem 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  letter-spacing: 0.012em;
}

.cms-content p + p {
  margin-top: 0;
}

.cms-content h2,
.cms-content h3,
.cms-content h4 {
  color: var(--primary-900);
  font-weight: 800;
  line-height: 1.5;
  margin: 2.2em 0 0.9em;
}

.cms-content h2 {
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  padding-left: 16px;
  border-left: 4px solid var(--gold-500);
}

.cms-content h3 {
  font-size: 1.15rem;
  margin-top: 1.8em;
}

.cms-content img {
  border-radius: 16px;
  margin: 2rem 0;
}

.cms-content a {
  color: var(--primary-700);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(198, 161, 91, 0.45);
}

.cms-content a:hover {
  color: var(--gold-500);
  text-decoration-color: var(--gold-500);
}

.cms-content blockquote {
  background: var(--ivory);
  border-left: 4px solid var(--gold-500);
  padding: 18px 22px;
  margin: 1.8rem 0;
  border-radius: 0 14px 14px 0;
  color: #343833;
}

.cms-content ul,
.cms-content ol {
  margin: 0 0 1.4rem 1.4rem;
  line-height: 1.9;
}

.cms-content li {
  margin-bottom: 0.4rem;
}

.cms-content figcaption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 10px;
}

.cms-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.8rem 0;
  font-size: 0.96rem;
}

.cms-content th,
.cms-content td {
  border: 1px solid var(--hr);
  padding: 12px 14px;
  text-align: left;
}

.cms-content th {
  background: rgba(29, 64, 55, 0.06);
}

/* Not found */
.not-found {
  text-align: center;
  padding: 60px 24px;
}

.not-found h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-900);
}

.not-found p {
  color: var(--muted);
  margin-bottom: 28px;
}

/* mid CTA strip */
.mid-cta-strip {
  background: var(--primary-800);
  border: 1px solid rgba(198, 161, 91, 0.35);
  border-radius: 18px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 40px;
}

.mid-cta-strip p {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.94rem;
  line-height: 1.6;
}

.mid-cta-strip strong {
  color: var(--gold-400);
  display: block;
  font-size: 1.02rem;
}

/* Related section */
.related-section {
  max-width: 1040px;
  margin: 0 auto 40px;
  padding: 0 16px;
}

.related-section .section-kicker {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--gold-500);
  font-weight: 700;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.related-title {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 800;
  color: var(--primary-900);
  margin: 0 0 26px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.related-card {
  background: var(--surface);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--hr);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.related-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.related-card:hover img {
  transform: scale(1.03);
}

.related-card-body {
  padding: 20px;
}

.related-card-body h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--primary-900);
  margin: 0 0 8px;
  line-height: 1.45;
}

.related-card-body p {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}

.related-card-tag {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--primary-700);
  background: rgba(29, 64, 55, 0.08);
  border-radius: 4px;
  padding: 2px 8px;
  margin-top: 14px;
  font-weight: 600;
}

.related-actions {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}

/* Page CTA band */
.page-cta {
  background: var(--primary-900);
  border-top: 1px solid rgba(198, 161, 91, 0.3);
  border-bottom: 1px solid rgba(198, 161, 91, 0.3);
  padding: 60px 24px;
  text-align: center;
}

.page-cta h2 {
  color: var(--gold-400);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  margin: 0 0 12px;
}

.page-cta p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 520px;
  margin: 0 auto 30px;
  font-size: 1rem;
}

.cta-btn-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* Footer */
.footer {
  background: var(--primary-900);
  color: rgba(255, 255, 255, 0.72);
  padding: 56px 0 30px;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 34px;
  padding-bottom: 34px;
  border-bottom: 1px solid rgba(214, 186, 122, 0.15);
}

.footer-brand {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--gold-400);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 14px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 9px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--gold-400);
}

.footer-notes {
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0;
  max-width: 320px;
  color: rgba(255, 255, 255, 0.58);
}

.footer-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 22px;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.85rem;
}

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

@media (max-width: 820px) {
  .header-nav {
    gap: 2px;
  }
  .nav-link {
    padding: 0 10px;
    font-size: 0.84rem;
  }
  .brand-logo {
    font-size: 1rem;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 10px 0 0;
  }

  .header-bar {
    padding: 8px 10px 8px 18px;
  }

  .header-right {
    position: fixed;
    top: 76px;
    left: 16px;
    right: 16px;
    background: rgba(14, 30, 26, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 22px;
    border: 1px solid rgba(198, 161, 91, 0.2);
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 18px;
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .header-right.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .header-nav {
    flex-direction: column;
    gap: 8px;
  }

  .nav-link {
    width: 100%;
    height: 44px;
    justify-content: center;
    font-size: 0.96rem;
    color: rgba(255, 255, 255, 0.85);
  }

  .nav-cta {
    margin-top: 8px;
    justify-content: center;
  }

  .burger {
    display: flex;
  }

  .article-main {
    padding-top: 86px;
  }

  .article-shell {
    padding: 22px 18px;
    border-radius: 18px;
  }

  .mid-cta-strip {
    flex-direction: column;
    padding: 20px;
  }

  .mid-cta-strip .btn {
    width: 100%;
  }

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

  .related-card img {
    aspect-ratio: 16/7;
  }

  .footer {
    padding-top: 42px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 26px;
  }
}

@media (max-width: 520px) {
  .wrap {
    width: min(100% - 20px, 1200px);
  }

  .brand-logo {
    font-size: 0.95rem;
  }

  .article-meta {
    font-size: 0.8rem;
  }

  .cms-content p {
    font-size: 1rem;
    line-height: 1.8;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .footer-line {
    flex-direction: column;
    align-items: flex-start;
    font-size: 0.8rem;
  }
}

/* roulang page: category1 */
:root {
        --primary-900: #0E1E1A;
        --primary-800: #142B24;
        --primary-700: #1D4037;
        --gold-500: #C6A15B;
        --gold-400: #D6BA7A;
        --ivory: #F5F1EA;
        --surface: #FFFFFF;
        --ink: #1E201D;
        --muted: #666B66;
        --hr: #E4DED4;
        --radius: 16px;
        --radius-sm: 12px;
        --shadow: 0 10px 30px rgba(14, 30, 26, 0.08);
        --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.12);
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        background: var(--ivory);
        color: var(--ink);
        font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
        padding-top: 118px;
    }

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

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

    button {
        font-family: inherit;
    }

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

    @media (min-width: 1024px) {
        .wrap {
            padding-left: 32px;
            padding-right: 32px;
        }
    }

    a:focus-visible,
    button:focus-visible,
    summary:focus-visible {
        outline: 3px solid rgba(198, 161, 91, 0.55);
        outline-offset: 2px;
    }

    /* ===== Site Header / Navigation ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        padding: 16px 14px 0;
        pointer-events: none;
    }

    .header-bar {
        max-width: 1200px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: rgba(14, 30, 26, 0.82);
        border: 1px solid rgba(198, 161, 91, 0.26);
        border-radius: 999px;
        padding: 7px 8px 7px 20px;
        box-shadow: 0 14px 34px rgba(14, 30, 26, 0.22);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        pointer-events: auto;
        transition: background .3s ease, box-shadow .3s ease;
    }

    .site-header.is-scrolled .header-bar {
        background: rgba(14, 30, 26, 0.9);
        box-shadow: 0 18px 40px rgba(14, 30, 26, 0.26);
    }

    .brand-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        color: var(--gold-400);
        font-weight: 800;
        font-size: 1.16rem;
        letter-spacing: 0.01em;
        white-space: nowrap;
        padding-right: 8px;
    }

    .brand-dot {
        width: 11px;
        height: 11px;
        display: inline-block;
        background: var(--gold-500);
        border-radius: 50%;
        box-shadow: 0 0 0 4px rgba(198, 161, 91, 0.16);
    }

    .header-right {
        display: flex;
        align-items: center;
        gap: 14px;
        transition: opacity .3s ease, transform .3s ease;
    }

    .header-nav {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .nav-link {
        display: inline-block;
        font-size: 0.92rem;
        font-weight: 600;
        color: #fff;
        padding: 9px 17px;
        border-radius: 999px;
        transition: background .25s ease, color .25s ease;
        white-space: nowrap;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
        background: rgba(198, 161, 91, 0.16);
        color: var(--gold-400);
    }

    .nav-link.active {
        background: rgba(198, 161, 91, 0.24);
        color: var(--gold-400);
    }

    .nav-cta {
        margin-left: 3px;
    }

    .burger {
        display: none;
        border: none;
        background: transparent;
        padding: 10px 8px;
    }

    .burger span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--gold-400);
        margin: 5px 0;
        border-radius: 2px;
        transition: transform .3s ease, opacity .3s ease;
    }

    .burger.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .burger.open span:nth-child(2) {
        opacity: 0;
    }

    .burger.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    @media (max-width: 1023px) {
        .nav-link {
            padding: 7px 11px;
            font-size: 0.88rem;
        }
        .nav-cta {
            display: none;
        }
    }

    @media (max-width: 768px) {
        body {
            padding-top: 86px;
        }
        .site-header {
            padding: 12px 12px 0;
        }
        .header-bar {
            padding: 6px 6px 6px 16px;
        }
        .brand-logo {
            font-size: 1.04rem;
            gap: 8px;
        }
        .brand-dot {
            width: 9px;
            height: 9px;
        }
        .header-right {
            position: fixed;
            top: 86px;
            left: 16px;
            right: 16px;
            flex-direction: column;
            align-items: stretch;
            background: rgba(14, 30, 26, 0.98);
            border: 1px solid rgba(198, 161, 91, 0.24);
            border-radius: 22px;
            padding: 18px 16px;
            box-shadow: 0 22px 46px rgba(0, 0, 0, 0.3);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-12px);
            pointer-events: none;
        }
        .header-right.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            pointer-events: auto;
        }
        .header-nav {
            flex-direction: column;
            align-items: stretch;
            gap: 6px;
        }
        .nav-link {
            text-align: left;
            font-size: 1.02rem;
            padding: 12px 16px;
        }
        .nav-cta {
            display: inline-flex;
            margin-left: 0;
            margin-top: 10px;
            justify-content: center;
        }
        .burger {
            display: inline-flex;
        }
    }

    /* ===== Buttons ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 999px;
        border: 2px solid transparent;
        padding: 10px 26px;
        font-size: 0.95rem;
        font-weight: 700;
        min-height: 46px;
        transition: background .25s ease, color .25s ease, transform .2s ease, border-color .25s ease, box-shadow .25s ease;
    }

    .btn-gold {
        background: var(--gold-500);
        color: var(--primary-900);
        border-color: var(--gold-500);
    }

    .btn-gold:hover,
    .btn-gold:focus-visible {
        background: var(--gold-400);
        border-color: var(--gold-400);
        transform: translateY(-1px);
    }

    .btn-ghost-dark {
        border-color: rgba(255, 255, 255, 0.46);
        color: #fff;
    }

    .btn-ghost-dark:hover,
    .btn-ghost-dark:focus-visible {
        background: rgba(198, 161, 91, 0.12);
        border-color: var(--gold-500);
        color: var(--gold-400);
    }

    .btn-sm {
        min-height: 40px;
        padding: 6px 18px;
        font-size: 0.86rem;
    }

    .btn:active,
    .btn-sm:active {
        transform: translateY(1px);
        filter: brightness(0.92);
    }

    /* ===== Category Hero ===== */
    .cat-hero {
        position: relative;
        min-height: 520px;
        display: flex;
        align-items: center;
        color: #fff;
        background: var(--primary-900);
        overflow: hidden;
        border-radius: 30px;
        margin: 0 24px 40px;
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
    }

    .cat-hero-bg {
        position: absolute;
        inset: 0;
        background-size: cover;
        background-position: center 72%;
    }

    .cat-hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(100deg, rgba(14, 30, 26, 0.96) 0%, rgba(20, 43, 36, 0.87) 58%, rgba(29, 64, 55, 0.55) 100%);
    }

    .cat-hero-inner {
        position: relative;
        z-index: 2;
        width: 100%;
        padding: 46px 20px 50px;
    }

    .cat-hero-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.82rem;
        font-weight: 700;
        letter-spacing: 0.08em;
        color: var(--gold-400);
        padding: 6px 15px;
        border-radius: 999px;
        border: 1px solid rgba(198, 161, 91, 0.42);
        background: rgba(14, 30, 26, 0.26);
        margin-bottom: 18px;
    }

    .cat-hero h1 {
        font-size: clamp(2.2rem, 4.6vw, 4rem);
        font-weight: 800;
        color: #fff;
        line-height: 1.18;
        letter-spacing: 0.01em;
    }

    .cat-hero h1 span {
        color: var(--gold-400);
    }

    .cat-hero-lead {
        margin-top: 18px;
        max-width: 690px;
        color: rgba(255, 255, 255, 0.86);
        font-size: 1.06rem;
        line-height: 1.85;
    }

    .cat-hero-meta {
        margin-top: 22px;
        display: flex;
        flex-wrap: wrap;
        gap: 11px;
    }

    .cat-hero-meta span {
        display: inline-flex;
        align-items: center;
        gap: 9px;
        background: rgba(255, 255, 255, 0.07);
        border: 1px solid rgba(255, 255, 255, 0.13);
        padding: 6px 14px;
        border-radius: 999px;
        font-size: 0.84rem;
        font-weight: 600;
        color: #fff;
    }

    .cat-hero-meta span::before {
        content: "";
        width: 6px;
        height: 6px;
        background: var(--gold-500);
        border-radius: 50%;
        flex: none;
    }

    .cat-hero-actions {
        display: flex;
        gap: 14px;
        margin-top: 30px;
        flex-wrap: wrap;
    }

    @media (max-width: 768px) {
        .cat-hero {
            margin: 0 16px 28px;
            min-height: 470px;
            border-radius: 22px;
        }
        .cat-hero-inner {
            padding: 34px 8px 30px;
        }
        .cat-hero-lead {
            font-size: 0.98rem;
        }
        .cat-hero-meta span {
            width: 100%;
        }
    }

    /* ===== Section headings ===== */
    .section-head {
        margin-bottom: 28px;
    }

    .section-head .eyebrow {
        font-size: 0.82rem;
        font-weight: 800;
        letter-spacing: 0.1em;
        color: var(--gold-500);
    }

    .section-head h2 {
        font-size: clamp(1.7rem, 2.6vw, 2.6rem);
        font-weight: 800;
        color: var(--ink);
        margin-top: 5px;
        letter-spacing: -0.01em;
    }

    .section-head p {
        color: var(--muted);
        margin-top: 8px;
        font-size: 0.98rem;
        max-width: 720px;
    }

    /* route stage*/
    .route-section {
        padding: 26px 0 72px;
    }

    .route-stage {
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        display: flex;
        gap: 20px;
        margin: 0 -24px;
        padding: 8px 24px 24px;
        scrollbar-color: var(--gold-500) transparent;
        scrollbar-width: thin;
        cursor: grab;
    }

    .route-stage::-webkit-scrollbar {
        height: 7px;
    }

    .route-stage::-webkit-scrollbar-thumb {
        background: rgba(198, 161, 91, 0.65);
        border-radius: 20px;
    }

    .route-stage::-webkit-scrollbar-track {
        background: transparent;
    }

    .route-card {
        scroll-snap-align: start;
        min-width: min(320px, 78vw);
        max-width: 360px;
        background: var(--surface);
        border: 1px solid var(--hr);
        border-radius: 20px;
        padding: 22px 22px 26px;
        position: relative;
        box-shadow: var(--shadow);
        transition: transform .3s ease, box-shadow .3s ease;
        flex: none;
        overflow: hidden;
    }

    .route-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-hover);
    }

    .route-card::after {
        content: "";
        position: absolute;
        right: -24px;
        bottom: -38px;
        width: 128px;
        height: 128px;
        background: radial-gradient(circle, rgba(198, 161, 91, 0.2) 0%, transparent 72%);
        border-radius: 50%;
        pointer-events: none;
    }

    .route-index {
        display: block;
        font-size: 0.82rem;
        color: var(--gold-500);
        font-weight: 800;
        letter-spacing: 0.16em;
        margin-bottom: 10px;
    }

    .route-number {
        font-size: 2.7rem;
        font-weight: 800;
        line-height: 1;
        color: rgba(14, 30, 26, 0.08);
        -webkit-text-stroke: 1px rgba(14, 30, 26, 0.24);
        position: absolute;
        top: 26px;
        right: 24px;
    }

    .route-card h3 {
        font-size: 1.18rem;
        font-weight: 800;
        color: var(--primary-800);
        margin-bottom: 8px;
        padding-right: 35px;
    }

    .route-card p {
        color: var(--muted);
        font-size: 0.94rem;
        line-height: 1.8;
    }

    @media (max-width: 768px) {
        .route-section {
            padding-bottom: 48px;
        }
        .route-stage {
            margin: 0 -16px;
            padding: 8px 16px 20px;
            gap: 14px;
        }
        .route-card {
            min-width: 80vw;
            padding: 18px;
        }
    }

    /* ===== Guide group list ===== */
    .guide-groups {
        background: var(--surface);
        padding: 76px 0 64px;
    }

    .guide-groups .section-head {
        margin-bottom: 36px;
    }

    .guide-layout {
        display: grid;
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .guide-group-row {
        display: grid;
        grid-template-columns: 76px 1fr;
        gap: 22px;
        padding: 24px 0;
        border-top: 1px solid var(--hr);
    }

    .guide-group-row:first-child {
        border-top: none;
    }

    .guide-group-num {
        display: inline-flex;
        align-items: flex-start;
        font-size: 2rem;
        font-weight: 800;
        line-height: 1;
        color: var(--primary-900);
        font-variant-numeric: tabular-nums;
    }

    .guide-group-num small {
        color: var(--gold-500);
        font-size: 0.9rem;
        margin-left: 4px;
    }

    .guide-group-body h3 {
        font-size: 1.3rem;
        font-weight: 800;
        color: var(--primary-800);
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
    }

    .guide-group-body > p {
        color: var(--muted);
        margin: 10px 0 14px;
        font-size: 0.98rem;
        max-width: 720px;
    }

    .guide-mini-list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 12px;
    }

    .guide-mini-list li {
        background: var(--ivory);
        border: 1px solid var(--hr);
        border-radius: 13px;
        padding: 10px 13px;
        font-size: 0.9rem;
        color: var(--ink);
        list-style: none;
        line-height: 1.65;
    }

    .guide-mini-list li b {
        color: var(--primary-800);
        font-weight: 800;
    }

    .guide-aside {
        background: linear-gradient(160deg, #0E1E1A 0%, #1D4037 100%);
        border-radius: 24px;
        padding: 26px;
        color: #fff;
        height: 100%;
        position: relative;
        overflow: hidden;
    }

    .guide-aside h4 {
        font-size: 1.18rem;
        font-weight: 800;
        color: var(--gold-400);
        margin-top: 20px;
    }

    .guide-aside p {
        color: rgba(255, 255, 255, 0.82);
        font-size: 0.95rem;
        margin-top: 8px;
    }

    .guide-aside-img {
        border-radius: 18px;
        overflow: hidden;
        border: 1px solid rgba(255, 255, 255, 0.14);
    }

    .guide-aside-img img {
        width: 100%;
        aspect-ratio: 16 / 9;
        object-fit: cover;
    }

    .guide-aside ul {
        margin-top: 15px;
        display: grid;
        gap: 10px;
    }

    .guide-aside li {
        list-style: none;
        color: rgba(255, 255, 255, 0.9);
        font-size: 0.93rem;
        display: flex;
        gap: 10px;
        align-items: flex-start;
        line-height: 1.65;
    }

    .guide-aside li::before {
        content: "·";
        color: var(--gold-400);
        font-weight: 900;
        font-size: 1.3rem;
        line-height: 1;
    }

    @media (min-width: 1024px) {
        .guide-layout {
            grid-template-columns: 1fr 375px;
            align-items: start;
        }
    }

    @media (max-width: 640px) {
        .guide-groups {
            padding: 50px 0 44px;
        }
        .guide-group-row {
            grid-template-columns: 54px 1fr;
            gap: 16px;
        }
        .guide-group-num {
            font-size: 1.5rem;
        }
        .guide-aside {
            padding: 22px;
        }
    }

    /* ===== CTA ===== */
    .section-cta {
        background: var(--primary-900);
        margin: 28px 0;
        padding: 54px 0;
        position: relative;
        border-top: 1px solid rgba(198, 161, 91, 0.22);
        border-bottom: 1px solid rgba(198, 161, 91, 0.22);
    }

    .section-cta-inner {
        display: flex;
        gap: 24px;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .section-cta h2 {
        color: var(--gold-400);
        font-size: clamp(1.5rem, 2.6vw, 2.2rem);
        font-weight: 800;
        line-height: 1.4;
    }

    .section-cta p {
        color: rgba(255, 255, 255, 0.84);
        margin-top: 6px;
        max-width: 600px;
        font-size: 0.96rem;
        line-height: 1.8;
    }

    @media (max-width: 768px) {
        .section-cta {
            padding: 30px 0;
        }
    }

    /* ===== FAQ ===== */
    .faq-section {
        padding: 72px 0 50px;
    }

    .faq-list {
        display: grid;
        gap: 14px;
        max-width: 920px;
        margin: 22px auto 0;
    }

    .faq-panel {
        background: var(--surface);
        border: 1px solid var(--hr);
        border-radius: 18px;
        overflow: hidden;
        transition: border-color .25s ease, box-shadow .3s ease;
    }

    .faq-panel[open] {
        border-color: rgba(198, 161, 91, 0.55);
        box-shadow: var(--shadow);
    }

    .faq-panel summary {
        cursor: pointer;
        list-style: none;
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 16px;
        padding: 19px 22px;
        font-weight: 700;
        color: var(--primary-800);
        font-size: 1.02rem;
        line-height: 1.6;
    }

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

    .faq-panel summary::after {
        content: "+";
        flex: none;
        width: 28px;
        height: 28px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: rgba(198, 161, 91, 0.14);
        color: var(--gold-500);
        font-weight: 700;
        font-size: 1.25rem;
    }

    .faq-panel[open] summary::after {
        content: "−";
        transform: rotate(180deg);
    }

    .faq-panel .faq-ans {
        padding: 0 22px 22px;
        color: var(--muted);
        font-size: 0.96rem;
        line-height: 1.9;
    }

    .faq-panel .faq-ans strong {
        color: var(--primary-800);
    }

    @media (max-width: 520px) {
        .faq-panel summary {
            padding: 16px;
            font-size: 0.96rem;
        }
        .faq-panel .faq-ans {
            padding: 0 16px 16px;
            font-size: 0.92rem;
        }
    }

    /* ===== Footer ===== */
    .footer {
        background: var(--primary-900);
        color: rgba(255, 255, 255, 0.82);
        padding: 64px 0 30px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 36px;
        margin-bottom: 38px;
    }

    @media (min-width: 768px) {
        .footer-grid {
            grid-template-columns: 1.2fr 1fr 1fr 1.1fr;
            gap: 32px;
        }
    }

    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        color: var(--gold-400);
        font-weight: 800;
        font-size: 1.2rem;
    }

    .footer-notes {
        font-size: 0.92rem;
        color: rgba(255, 255, 255, 0.63);
        line-height: 1.9;
        margin-top: 14px;
        max-width: 340px;
    }

    .footer h4 {
        color: var(--gold-400);
        font-size: 0.98rem;
        font-weight: 800;
        margin-bottom: 14px;
    }

    .footer-links {
        list-style: none;
        display: grid;
        gap: 10px;
    }

    .footer-links li {
        font-size: 0.92rem;
        color: rgba(255, 255, 255, 0.74);
    }

    .footer-links a {
        transition: color .25s ease;
        display: inline-flex;
        align-items: center;
        gap: 7px;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
        color: var(--gold-400);
    }

    .footer-links a::before {
        content: "";
        width: 5px;
        height: 5px;
        background: rgba(198, 161, 91, 0.5);
        border-radius: 50%;
        flex: none;
    }

    .footer-line {
        border-top: 1px solid rgba(255, 255, 255, 0.15);
        margin-top: 40px;
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.48);
        padding-top: 22px;
    }

/* roulang page: category2 */
:root {
            --primary-900: #0E1E1A;
            --primary-800: #142B24;
            --primary-700: #1D4037;
            --gold-500: #C6A15B;
            --gold-400: #D6BA7A;
            --ivory: #F5F1EA;
            --surface: #FFFFFF;
            --ink: #1E201D;
            --muted: #666B66;
            --hr: #E4DED4;
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --shadow-card: 0 10px 30px rgba(14, 30, 26, 0.08);
            --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.12);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
            background-color: var(--ivory);
            color: var(--ink);
            line-height: 1.75;
            margin: 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        a:hover {
            color: var(--gold-500);
        }
        .wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding-top: 12px;
            transition: background .3s ease;
            background: transparent;
        }
        .site-header.scrolled {
            padding-top: 8px;
        }
        .site-header.scrolled .header-bar {
            background: rgba(14, 30, 26, 0.85);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.18);
        }
        .header-bar {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(14, 30, 26, 0.6);
            border: 1px solid rgba(198, 161, 91, 0.15);
            border-radius: 999px;
            padding: 8px 10px 8px 24px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: all .3s ease;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--gold-400);
            white-space: nowrap;
            letter-spacing: .01em;
        }
        .brand-logo:hover {
            color: var(--gold-400);
        }
        .brand-dot {
            width: 8px;
            height: 8px;
            background: var(--gold-500);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.2);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .header-nav .nav-link {
            display: block;
            padding: 7px 18px;
            border-radius: 999px;
            font-size: .925rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.88);
            cursor: pointer;
            transition: background .25s, color .25s;
        }
        .header-nav .nav-link:hover {
            background: rgba(198, 161, 91, 0.14);
            color: var(--gold-400);
        }
        .header-nav .nav-link.active {
            background: rgba(198, 161, 91, 0.18);
            color: var(--gold-400);
            font-weight: 700;
        }
        .nav-cta {
            background: var(--gold-500);
            color: var(--primary-900) !important;
            border-radius: 999px;
            font-weight: 700;
            font-size: .9rem;
            padding: 9px 22px;
            transition: all .3s;
            border: 1px solid transparent;
        }
        .nav-cta:hover {
            background: var(--gold-400);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(198, 161, 91, 0.25);
        }
        .burger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 10px;
            cursor: pointer;
        }
        .burger span {
            display: block;
            height: 2px;
            width: 100%;
            background: var(--gold-400);
            border-radius: 2px;
            transition: .3s;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            height: 46px;
            padding: 0 28px;
            font-weight: 700;
            font-size: 0.98rem;
            transition: all .3s ease;
            border: 2px solid transparent;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--gold-500);
            color: var(--primary-900);
        }
        .btn-primary:hover {
            background: var(--gold-400);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(198, 161, 91, 0.25);
        }
        .btn-outline {
            border-color: var(--gold-500);
            color: var(--gold-500);
            background: transparent;
        }
        .btn-outline:hover {
            background: rgba(198, 161, 91, 0.08);
            border-color: var(--gold-400);
            color: var(--gold-400);
        }
        .btn-ghost-light {
            border-color: rgba(255, 255, 255, 0.3);
            color: rgba(255, 255, 255, 0.95);
            background: transparent;
        }
        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.5);
        }
        .section {
            padding: 80px 0;
        }
        .section-head {
            margin-bottom: 46px;
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--gold-500);
            letter-spacing: 1px;
            margin-bottom: 10px;
        }
        .section-eyebrow::before {
            content: "";
            width: 18px;
            height: 2px;
            background: var(--gold-500);
        }
        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--primary-900);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .section-desc {
            color: var(--muted);
            font-size: .98rem;
            max-width: 660px;
        }
        /* category header */
        .category-cover {
            background: linear-gradient(135deg, #101F1A 0%, #1B3A31 65%, #1D4037 100%);
            min-height: 320px;
            display: flex;
            align-items: center;
            border-radius: 0 0 40px 40px;
            padding: 150px 0 70px;
            position: relative;
            overflow: hidden;
        }
        .category-cover::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(198, 161, 91, .07) 1px, transparent 1px),
                linear-gradient(90deg, rgba(198, 161, 91, .07) 1px, transparent 1px);
            background-size: 80px 80px;
            pointer-events: none;
        }
        .category-cover::after {
            content: "";
            position: absolute;
            width: 460px;
            height: 460px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(198, 161, 91, .11) 0%, transparent 70%);
            right: -100px;
            top: -120px;
            z-index: 0;
        }
        .category-cover .wrap {
            position: relative;
            z-index: 3;
        }
        .cat-breadcrumb {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.64);
            margin-bottom: 14px;
            display: flex;
            gap: 6px;
            align-items: center;
        }
        .cat-breadcrumb a {
            color: rgba(255, 255, 255, .64);
        }
        .cat-breadcrumb a:hover {
            color: var(--gold-400);
        }
        .cat-chip {
            display: inline-block;
            background: rgba(198, 161, 91, 0.15);
            border: 1px solid rgba(198, 161, 91, 0.3);
            font-size: 12px;
            color: var(--gold-400);
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 999px;
        }
        .category-title {
            font-size: clamp(2rem, 4.5vw, 3.8rem);
            font-weight: 800;
            line-height: 1.28;
            color: #FFF;
            margin: 16px 0 10px;
        }
        .category-desc {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1rem;
            max-width: 560px;
            line-height: 1.8;
        }
        /* toc bar */
        .toc-sticky-wrap {
            position: sticky;
            top: 90px;
            align-self: flex-start;
        }
        .toc-card {
            background: #FFF;
            border-radius: 16px;
            padding: 6px 8px;
            box-shadow: 0 10px 35px rgba(14, 30, 26, 0.06);
            border: 1px solid #eee8de;
        }
        .toc-title {
            font-size: 1rem;
            font-weight: 800;
            color: var(--primary-900);
            padding: 10px 10px 6px;
        }
        .toc-item {
            display: block;
            font-size: .9rem;
            color: var(--muted);
            padding: 9px 12px !important;
            border-radius: 8px;
            margin: 2px 0;
            transition: all .2s;
            border-left: 2px solid transparent;
        }
        .toc-item:hover {
            background: #F6F2EC;
            color: var(--primary-800);
        }
        .toc-item.active {
            background: rgba(198, 161, 91, .1);
            color: var(--primary-800);
            font-weight: 600;
            border-left-color: var(--gold-500);
        }
        /* news list cards */
        .news-card-row {
            background: #FFFFFF;
            border-radius: 16px;
            padding: 24px 24px 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid #f0ebe2;
            transition: all .35s;
            margin-bottom: 18px;
        }
        .news-card-row:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-date-tag {
            min-width: 60px;
            text-align: center;
        }
        .news-date-day {
            font-size: 1.85rem;
            font-weight: 800;
            color: var(--primary-800);
            line-height: 1;
        }
        .news-date-month {
            font-size: .75rem;
            color: var(--muted);
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .news-type-badge {
            font-size: .72rem;
            display: inline-block;
            background: rgba(198, 161, 91, .12);
            border: 1px solid rgba(198, 161, 91, .2);
            color: #8a6f38;
            border-radius: 999px;
            padding: 4px 12px;
            font-weight: 700;
        }
        .news-card-title {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--ink);
            margin: 10px 0 6px;
            line-height: 1.45;
            transition: color .2s;
            display: block;
        }
        .news-card-title:hover {
            color: var(--gold-500);
        }
        .news-card-excerpt {
            color: var(--muted);
            font-size: .93rem;
            line-height: 1.75;
            margin: 4px 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-meta i {
            color: var(--gold-500);
            margin-right: 4px;
        }
        /* split mid cards */
        .split-panel-card {
            background: var(--primary-900);
            border-radius: 20px;
            overflow: hidden;
            min-height: 100%;
            display: flex;
            flex-direction: column;
        }
        .split-panel-card .panel-card-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .split-panel-card .panel-card-img::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(14, 30, 26, 0.6), transparent);
        }
        .split-panel-content {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .split-panel-label {
            font-size: .75rem;
            font-weight: 700;
            color: var(--gold-400);
            letter-spacing: 1px;
        }
        .split-panel-content h3 {
            color: #fff;
            font-size: 1.35rem;
            font-weight: 700;
            margin: 6px 0 10px;
        }
        .split-panel-content p {
            color: rgba(255, 255, 255, .72);
            font-size: .9rem;
            margin-bottom: 12px;
        }
        .split-card-light {
            background: #fff;
            border-radius: 16px;
            padding: 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid #f0ebe2;
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: all .3s;
        }
        .split-card-light:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .split-card-light .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: rgba(198, 161, 91, .35);
            line-height: 1;
            margin-bottom: 10px;
        }
        /* faq */
        .faq-row {
            background: #fff;
            border: 1px solid #eee7db;
            border-radius: 16px;
            padding: 0;
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow .3s;
        }
        .faq-row summary {
            padding: 22px 28px;
            font-weight: 700;
            font-size: 1rem;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }
        .faq-row summary::-webkit-details-marker {
            display: none;
        }
        .faq-row summary::after {
            content: "+";
            font-size: 1.6rem;
            font-weight: 300;
            color: var(--gold-500);
            margin-left: 12px;
            transition: all .3s;
        }
        .faq-row[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 28px 22px;
            color: var(--muted);
            font-size: .93rem;
        }
        /* CTA */
        .cta-band {
            background: var(--primary-900);
            border: 1px solid rgba(198, 161, 91, 0.25);
            border-radius: 24px;
            padding: 50px 48px;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle at 90% 20%, rgba(198, 161, 91, 0.1) 0%, transparent 50%);
        }
        .cta-band h2 {
            font-size: 28px;
            font-weight: 800;
            color: #FFF;
            margin-bottom: 8px;
        }
        .cta-band p {
            color: rgba(255, 255, 255, .66);
        }
        /* footer */
        .footer {
            background: var(--primary-900);
            padding: 60px 0 0;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 0.8fr 1fr 1.1fr;
            gap: 50px;
            padding-bottom: 34px;
        }
        .footer-brand {
            font-weight: 800;
            color: var(--gold-400);
            font-size: 1.35rem;
            margin-bottom: 12px;
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .footer-notes {
            color: rgba(255, 255, 255, 0.52);
            font-size: .88rem;
            line-height: 1.8;
        }
        .footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            display: grid;
            gap: 9px;
            font-size: .88rem;
            padding: 0;
            margin: 0;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: all .2s;
        }
        .footer-links a:hover {
            color: var(--gold-400);
        }
        .footer-line {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.4);
            font-size: .82rem;
        }
        /* details */
        .topic-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            height: 100%;
            transition: all .4s;
        }
        .topic-card .card-img {
            aspect-ratio: 16/9;
            background-size: cover;
            background-position: center;
        }
        .topic-card .card-content {
            padding: 18px;
        }
        /* mobile nav */
        @media (max-width: 900px) {
            .header-right {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(14, 30, 26, 0.98);
                border-radius: 20px;
                padding: 20px;
                border: 1px solid rgba(198, 161, 91, 0.2);
                backdrop-filter: blur(20px);
                gap: 12px;
                max-height: 80vh;
                overflow-y: auto;
            }
            .header-right.open {
                display: flex;
            }
            .header-nav {
                flex-direction: column;
                width: 100%;
                gap: 8px;
            }
            .header-nav .nav-link {
                width: 100%;
                text-align: center;
            }
            .nav-cta {
                width: 100%;
                padding: 12px;
                text-align: center;
                justify-content: center;
                margin-top: 4px;
            }
            .burger {
                display: flex;
            }
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .section {
                padding: 56px 0;
            }
            .category-cover {
                padding-top: 130px;
                min-height: 280px;
            }
        }
        @media (max-width: 640px) {
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px
            }
            .footer-line {
                flex-direction: column;
                text-align: center;
            }
            .cta-band {
                padding: 34px 20px;
            }
            .cta-band h2 {
                font-size: 22px;
            }
            .category-cover {
                border-radius: 0 0 24px 24px;
                min-height: 240px;
                padding-top: 110px;
            }
            .news-card-row {
                padding: 16px;
            }
            .news-card-title {
                font-size: 1.05rem;
            }
        }
        .toc-scroll {
            scrollbar-width: none;
        }
        .toc-scroll::-webkit-scrollbar {
            display: none;
        }
        .hero-grid-overlay {
            background-image:
                linear-gradient(rgba(198, 161, 91, .06) 1px, transparent 1px),
                linear-gradient(90deg, rgba(198, 161, 91, .06) 1px, transparent 1px);
            background-size: 70px 70px;
        }
        .content-rail {
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            scrollbar-width: none;
            display: flex;
            gap: 18px;
        }
        .content-rail::-webkit-scrollbar {
            display: none;
        }
        .rail-item {
            scroll-snap-align: start;
            flex: 0 0 auto;
        }