:root {
  --vermillion-red: #d92d27;
  --imperial-gold: #c9a227;
  --deep-black: #1a1a1a;
  --ink-blue: #263846;
  --cloud-white: #f5f5f0;
  --paper: #ffffff;
  --incense-gray: #727272;
  --jade-green: #2e8b57;
  --font-primary: 'Noto Serif SC', 'Microsoft YaHei', serif;
  --font-display: 'Playfair Display', 'Noto Serif SC', serif;
  --font-body: 'Source Serif Pro', Georgia, serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.14);
  --shadow-lg: 0 20px 54px rgba(0, 0, 0, 0.2);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-primary);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--deep-black);
  background: var(--cloud-white);
  overflow-x: hidden;
}

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

a {
  color: var(--vermillion-red);
  text-decoration: none;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--imperial-gold);
  outline-offset: 4px;
}

button {
  font: inherit;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: 0;
}

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

p {
  margin-bottom: 1rem;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-narrow {
  max-width: 920px;
}

.skip-link,
.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  z-index: 2000;
  width: auto;
  height: auto;
  clip: auto;
  left: 1rem;
  top: 1rem;
  padding: 0.75rem 1rem;
  background: var(--imperial-gold);
  color: var(--deep-black);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  background: rgba(26, 26, 26, 0.92);
  backdrop-filter: blur(12px);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.site-header.scrolled {
  background: rgba(26, 26, 26, 0.98);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: 1240px;
  min-height: 72px;
  margin: 0 auto;
  padding: 0.75rem var(--space-md);
}

.site-logo a {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--cloud-white);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.1;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--vermillion-red), var(--imperial-gold));
  flex: 0 0 auto;
}

.main-navigation {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.nav-menu a {
  color: var(--cloud-white);
  font-size: 0.95rem;
  font-weight: 600;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--imperial-gold);
}

.language-switcher {
  display: flex;
  gap: 0.4rem;
}

.language-switcher a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  min-height: 2rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 4px;
  color: var(--cloud-white);
  font-size: 0.85rem;
  font-weight: 700;
}

.language-switcher a:hover,
.language-switcher a.active {
  background: var(--imperial-gold);
  border-color: var(--imperial-gold);
  color: var(--deep-black);
}

.menu-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  border-radius: 8px;
  color: var(--cloud-white);
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.hero,
.subpage-hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--cloud-white);
  background: var(--deep-black);
}

.hero {
  min-height: 92svh;
  text-align: center;
}

.subpage-hero {
  min-height: 64svh;
  text-align: center;
}

.hero-background,
.subpage-hero__background,
.hero-background img,
.subpage-hero__background img,
.hero-overlay,
.subpage-hero__overlay {
  position: absolute;
  inset: 0;
}

.hero-background img,
.subpage-hero__background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.62;
}

.hero-overlay,
.subpage-hero__overlay {
  background:
    linear-gradient(to bottom, rgba(26, 26, 26, 0.3), rgba(26, 26, 26, 0.78)),
    radial-gradient(circle at 50% 45%, rgba(201, 162, 39, 0.2), transparent 42%);
}

.hero-content,
.subpage-hero__content {
  position: relative;
  z-index: 1;
  width: min(920px, 100%);
  padding: 7rem var(--space-md) 4rem;
}

.eyebrow {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--imperial-gold);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero-title {
  margin-bottom: 0.7rem;
  font-size: 4.75rem;
  text-shadow: 0 0.4rem 2rem rgba(0, 0, 0, 0.45);
}

.hero-title-cn {
  margin-bottom: 1rem;
  color: var(--imperial-gold);
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1.2;
}

.hero-subtitle,
.subpage-hero__content > p:last-child {
  max-width: 700px;
  margin: 0 auto 2.2rem;
  font-size: 1.35rem;
  color: rgba(245, 245, 240, 0.9);
}

.subpage-hero h1 {
  margin-bottom: 1rem;
  color: var(--imperial-gold);
  font-size: 3.6rem;
  text-shadow: 0 0.4rem 2rem rgba(0, 0, 0, 0.45);
}

.hero-cta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3rem;
  padding: 0.85rem 1.6rem;
  border: 0;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--vermillion-red), #a91d1a);
  color: #fff;
  box-shadow: 0 0.45rem 1.3rem rgba(217, 45, 39, 0.3);
}

.btn-secondary {
  border: 2px solid var(--imperial-gold);
  background: transparent;
  color: #fff;
}

.btn-primary:hover,
.btn-secondary:hover {
  transform: translateY(-2px);
}

.btn-primary:hover {
  color: #fff;
  box-shadow: 0 0.8rem 1.8rem rgba(217, 45, 39, 0.38);
}

.btn-secondary:hover {
  background: var(--imperial-gold);
  color: var(--deep-black);
}

.scroll-indicator {
  position: absolute;
  z-index: 1;
  bottom: 1.4rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--cloud-white);
  font-size: 1.25rem;
  animation: bounce 1.8s infinite;
}

.content-section,
.dual-pathway {
  padding: var(--space-xl) 0;
}

.section-soft {
  background: var(--paper);
}

.section-dark {
  background: var(--deep-black);
  color: var(--cloud-white);
}

.section-title {
  max-width: 820px;
  margin: 0 auto var(--space-lg);
  text-align: center;
}

.section-title h2 {
  margin-bottom: 0.9rem;
  font-size: 2.65rem;
}

.section-subtitle {
  color: var(--incense-gray);
  font-size: 1.12rem;
}

.section-dark .section-subtitle {
  color: rgba(245, 245, 240, 0.72);
}

.intro-text {
  color: var(--ink-blue);
  font-size: 1.18rem;
  text-align: center;
}

.pathway-grid,
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-md);
}

.pathway-card {
  position: relative;
  display: flex;
  align-items: end;
  min-height: 32rem;
  overflow: hidden;
  border-radius: 8px;
  padding: var(--space-lg);
  color: var(--cloud-white);
  isolation: isolate;
  box-shadow: var(--shadow-md);
}

.pathway-card::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: '';
  background: linear-gradient(to top, rgba(26, 26, 26, 0.94), rgba(26, 26, 26, 0.34));
}

.pathway-card-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.pathway-card:hover .pathway-card-bg {
  transform: scale(1.05);
}

.pathway-content h3 {
  margin-bottom: 0.8rem;
  font-size: 2rem;
}

.pathway-content p {
  max-width: 34rem;
}

.signal-grid,
.feature-grid,
.info-grid,
.deity-grid,
.gallery-grid {
  display: grid;
  gap: var(--space-md);
}

.signal-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: var(--space-lg);
}

.signal-grid div {
  padding: 1.25rem;
  border-top: 3px solid var(--imperial-gold);
  background: var(--cloud-white);
}

.signal-grid strong,
.signal-grid span {
  display: block;
}

.signal-grid strong {
  margin-bottom: 0.35rem;
  color: var(--vermillion-red);
  font-size: 1.15rem;
}

.signal-grid span {
  color: var(--ink-blue);
  font-size: 0.98rem;
}

.evidence-section {
  color: var(--cloud-white);
  background:
    linear-gradient(135deg, rgba(26, 26, 26, 0.92), rgba(38, 56, 70, 0.9)),
    var(--deep-black);
}

.evidence-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: var(--space-lg);
  align-items: center;
}

.evidence-copy h2 {
  margin-bottom: 1rem;
  color: var(--imperial-gold);
  font-size: 2.65rem;
}

.evidence-copy p {
  max-width: 42rem;
  color: rgba(245, 245, 240, 0.82);
  font-size: 1.12rem;
}

.evidence-copy .detail-link {
  color: var(--imperial-gold);
}

.metric-grid,
.field-note-grid,
.source-grid,
.journey-map {
  display: grid;
  gap: var(--space-md);
}

.metric-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-card {
  min-height: 12rem;
  padding: 1.35rem;
  border: 1px solid rgba(245, 245, 240, 0.18);
  border-radius: 8px;
  background: rgba(245, 245, 240, 0.08);
  box-shadow: var(--shadow-sm);
}

.metric-icon,
.field-note-icon,
.journey-stop__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 8px;
  color: var(--deep-black);
  background: var(--imperial-gold);
}

.metric-card strong,
.metric-card span {
  display: block;
}

.metric-card strong {
  margin: 1.1rem 0 0.25rem;
  color: #fff;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.1;
}

.metric-card > span:last-child {
  color: rgba(245, 245, 240, 0.78);
  font-size: 0.98rem;
}

.field-note-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field-note-card,
.source-card,
.journey-stop {
  border: 1px solid rgba(0, 0, 0, 0.07);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow-sm);
  overflow-wrap: anywhere;
}

.field-note-card {
  min-height: 19rem;
  padding: 1.5rem;
}

.field-note-card h3,
.source-card h3,
.journey-stop h3 {
  margin: 1rem 0 0.55rem;
  color: var(--vermillion-red);
  font-size: 1.35rem;
}

.field-note-card p,
.source-card p,
.journey-stop p {
  margin-bottom: 0;
  color: var(--ink-blue);
  font-size: 0.98rem;
}

.source-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.source-card {
  display: flex;
  flex-direction: column;
  min-height: 21rem;
  padding: 1.35rem;
  color: var(--deep-black);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.source-card:hover {
  color: var(--deep-black);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.source-card__source,
.source-card__link {
  color: var(--imperial-gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.source-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 1.2rem;
  color: var(--vermillion-red);
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.info-card,
.myth-list article,
.deity-card,
.timeline-content,
.content-panel,
.term-card {
  border: 1px solid rgba(0, 0, 0, 0.07);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow-sm);
}

.feature-card {
  display: flex;
  flex-direction: column;
  min-height: 15rem;
  padding: 1.5rem;
  color: var(--deep-black);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.2rem;
  height: 3.2rem;
  margin-bottom: auto;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--vermillion-red), var(--imperial-gold));
}

.feature-card__text {
  display: block;
  margin-top: 1.5rem;
}

.feature-card__text strong,
.feature-card__text span {
  display: block;
}

.feature-card__text strong {
  margin-bottom: 0.4rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.feature-card__text span {
  color: var(--incense-gray);
  font-size: 0.98rem;
}

.detail-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: 0.8rem;
  color: var(--vermillion-red);
  font-weight: 800;
}

.detail-link::after {
  content: '>';
  margin-left: 0.45rem;
  color: var(--imperial-gold);
}

.split {
  align-items: center;
  gap: var(--space-lg);
}

.content-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}

.portrait-image {
  aspect-ratio: 3 / 4;
}

.prose {
  color: var(--ink-blue);
  font-size: 1.1rem;
}

.prose h2 {
  margin-bottom: 1rem;
  color: var(--vermillion-red);
  font-size: 2.35rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 20rem;
  gap: var(--space-lg);
  align-items: start;
}

.article-main {
  max-width: 760px;
}

.article-section + .article-section,
.term-grid + .article-section {
  margin-top: var(--space-lg);
}

.article-aside {
  position: sticky;
  top: 6rem;
  display: grid;
  gap: var(--space-md);
}

.content-panel {
  padding: 1.35rem;
}

.content-panel h2 {
  margin-bottom: 0.8rem;
  color: var(--vermillion-red);
  font-size: 1.35rem;
}

.content-panel p:last-child {
  margin-bottom: 0;
}

.content-panel .detail-link {
  display: flex;
}

.fact-list {
  display: grid;
  gap: 0.9rem;
  margin: 0;
}

.fact-list div {
  display: grid;
  gap: 0.15rem;
}

.fact-list dt {
  color: var(--deep-black);
  font-weight: 800;
}

.fact-list dd {
  margin: 0;
  color: var(--incense-gray);
  font-size: 0.95rem;
}

.term-grid,
.detail-section-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.term-card {
  padding: 1.25rem;
}

.term-card h2 {
  margin-bottom: 0.25rem;
  color: var(--vermillion-red);
  font-size: 1.35rem;
}

.term-card__alt {
  color: var(--imperial-gold);
  font-weight: 800;
}

.info-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-card,
.myth-list article {
  padding: 1.4rem;
}

.info-card h3,
.myth-list h3 {
  margin-bottom: 0.5rem;
  color: var(--vermillion-red);
  font-size: 1.3rem;
}

.info-card p,
.myth-list p {
  margin-bottom: 0;
  color: var(--ink-blue);
  font-size: 0.98rem;
}

.myth-list {
  display: grid;
  gap: 1rem;
}

.deity-grid {
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.deity-card {
  overflow: hidden;
}

.deity-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.deity-card__body {
  padding: 1.4rem;
}

.deity-card h2 {
  margin-bottom: 0.7rem;
  font-size: 1.9rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1rem 0;
}

.tag-list span {
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  color: #73590f;
  background: rgba(201, 162, 39, 0.18);
  font-size: 0.86rem;
}

.region {
  color: var(--incense-gray);
  font-size: 0.92rem;
}

.timeline {
  position: relative;
  display: grid;
  gap: 1.5rem;
}

.timeline::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 1.45rem;
  width: 3px;
  content: '';
  background: linear-gradient(var(--vermillion-red), var(--imperial-gold));
}

.timeline-item {
  position: relative;
  padding-left: 4.5rem;
}

.timeline-dot {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border: 5px solid var(--cloud-white);
  border-radius: 50%;
  color: var(--deep-black);
  background: var(--imperial-gold);
  font-weight: 800;
  box-shadow: var(--shadow-sm);
}

.timeline-content {
  padding: 1.7rem;
}

.timeline-content h2 {
  margin-bottom: 0.8rem;
  color: var(--vermillion-red);
  font-size: 2rem;
}

.timeline-content ul {
  padding-left: 1.2rem;
  margin-bottom: 0;
}

.timeline-content li {
  margin: 0.45rem 0;
}

.journey-map {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: stretch;
}

.journey-stop {
  position: relative;
  min-height: 20rem;
  padding: 1.25rem;
}

.journey-stop::after {
  position: absolute;
  top: 2.55rem;
  right: -1.2rem;
  z-index: 2;
  width: 1.8rem;
  height: 2px;
  content: '';
  background: var(--imperial-gold);
}

.journey-stop:last-child::after {
  display: none;
}

.journey-stop__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-right: 0.45rem;
  border-radius: 50%;
  color: #fff;
  background: var(--vermillion-red);
  font-weight: 800;
}

.journey-stop__icon {
  width: 2.5rem;
  height: 2.5rem;
}

.filter-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: var(--space-lg);
}

.filter-btn {
  min-height: 2.75rem;
  padding: 0.55rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  color: var(--cloud-white);
  background: transparent;
  cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--imperial-gold);
  color: var(--deep-black);
  background: var(--imperial-gold);
}

.gallery-grid {
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
}

.gallery-item {
  position: relative;
  display: block;
  width: 100%;
  min-height: 0;
  overflow: hidden;
  border: 0;
  border-radius: 8px;
  padding: 0;
  aspect-ratio: 4 / 3;
  color: #fff;
  background: #111;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  text-align: left;
}

.gallery-item[hidden] {
  display: none;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img,
.gallery-item:focus-visible img {
  transform: scale(1.06);
}

.gallery-overlay {
  position: absolute;
  inset: auto 0 0;
  display: block;
  padding: 2.8rem 1rem 1rem;
  color: #fff;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.88), transparent);
}

.gallery-overlay strong,
.gallery-overlay span {
  display: block;
}

.gallery-overlay strong {
  font-family: var(--font-display);
  font-size: 1.12rem;
  line-height: 1.2;
}

.gallery-overlay span {
  margin-top: 0.25rem;
  font-size: 0.9rem;
  line-height: 1.35;
  opacity: 0.86;
}

.video-card a {
  display: block;
  width: 100%;
  height: 100%;
  color: #fff;
}

.play-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  color: #fff;
  background: rgba(217, 45, 39, 0.94);
  transform: translate(-50%, -50%);
  box-shadow: var(--shadow-md);
}

.video-card:hover .play-badge {
  color: var(--deep-black);
  background: var(--imperial-gold);
}

.lightbox {
  width: min(96vw, 980px);
  border: 0;
  border-radius: 8px;
  padding: 0;
  color: var(--cloud-white);
  background: #101010;
  box-shadow: var(--shadow-lg);
}

.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.82);
}

.lightbox figure {
  margin: 0;
}

.lightbox img {
  width: 100%;
  max-height: 76vh;
  object-fit: contain;
  background: #050505;
}

.lightbox figcaption {
  padding: 1rem 1.25rem 1.25rem;
}

.lightbox figcaption strong,
.lightbox figcaption span {
  display: block;
}

.lightbox figcaption strong {
  color: var(--imperial-gold);
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.lightbox figcaption span {
  margin-top: 0.3rem;
  color: rgba(245, 245, 240, 0.82);
}

.lightbox-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: rgba(0, 0, 0, 0.55);
  cursor: pointer;
}

.section-action,
.next-section {
  text-align: center;
}

.section-action {
  margin-top: var(--space-lg);
}

.next-section {
  padding: 0 0 var(--space-xl);
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: var(--cloud-white);
}

.social-links a:hover {
  color: var(--deep-black);
  background: var(--imperial-gold);
  border-color: var(--imperial-gold);
}

.social-links a[aria-disabled='true'] {
  cursor: default;
}

.site-footer {
  padding: var(--space-lg) 0 var(--space-md);
  color: var(--cloud-white);
  background: var(--deep-black);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand h2,
.footer-links h3 {
  margin-bottom: 0.8rem;
  color: var(--imperial-gold);
}

.footer-brand h2 {
  font-size: 1.5rem;
}

.footer-links h3 {
  font-size: 1.08rem;
}

.footer-brand p,
.footer-links a,
.footer-bottom {
  font-size: 0.95rem;
}

.footer-brand p {
  max-width: 30rem;
  color: rgba(245, 245, 240, 0.78);
}

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

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(245, 245, 240, 0.78);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(245, 245, 240, 0.72);
}

.footer-bottom p {
  margin-bottom: 0;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-0.5rem); }
  60% { transform: translateX(-50%) translateY(-0.25rem); }
}

@media (max-width: 1100px) {
  .main-navigation {
    gap: 1.25rem;
  }

  .nav-menu {
    gap: 0.8rem;
  }

  .feature-grid,
  .info-grid,
  .source-grid,
  .journey-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .journey-stop::after {
    display: none;
  }

  .article-layout {
    grid-template-columns: minmax(0, 1fr) 17rem;
  }
}

@media (max-width: 900px) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .main-navigation {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    display: flex;
    align-items: stretch;
    flex-direction: column;
    gap: 1.25rem;
    padding: var(--space-md);
    background: rgba(26, 26, 26, 0.98);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s ease;
  }

  .main-navigation.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-menu {
    align-items: stretch;
    flex-direction: column;
  }

  .nav-menu a {
    display: block;
    padding: 0.25rem 0;
    font-size: 1.05rem;
  }

  .language-switcher {
    align-self: flex-start;
  }

  .hero-title {
    font-size: 3.4rem;
  }

  .hero-title-cn,
  .subpage-hero h1 {
    font-size: 2.6rem;
  }

  .hero-subtitle,
  .subpage-hero__content > p:last-child {
    font-size: 1.18rem;
  }

  .pathway-grid,
  .split,
  .signal-grid,
  .evidence-layout,
  .field-note-grid,
  .article-layout,
  .term-grid,
  .detail-section-grid,
  .footer-content {
    grid-template-columns: 1fr;
  }

  .article-main {
    max-width: none;
  }

  .article-aside {
    position: static;
  }

  .evidence-copy h2 {
    font-size: 2.25rem;
  }

  .pathway-card {
    min-height: 28rem;
  }
}

@media (max-width: 640px) {
  html {
    font-size: 15px;
  }

  .container {
    padding: 0 1rem;
  }

  .site-title {
    max-width: 10rem;
  }

  .hero {
    min-height: 90svh;
  }

  .subpage-hero {
    min-height: 58svh;
  }

  .hero-content,
  .subpage-hero__content {
    padding-top: 6rem;
  }

  .hero-title {
    font-size: 2.45rem;
  }

  .hero-title-cn,
  .subpage-hero h1,
  .section-title h2,
  .prose h2 {
    font-size: 2rem;
  }

  .hero-cta,
  .footer-bottom {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .feature-grid,
  .info-grid,
  .metric-grid,
  .source-grid,
  .journey-map {
    grid-template-columns: 1fr;
  }

  .field-note-card,
  .source-card,
  .journey-stop {
    min-height: 0;
  }

  .metric-card {
    min-height: 10rem;
  }

  .metric-card strong {
    font-size: 1.65rem;
  }

  .pathway-card {
    min-height: 25rem;
    padding: 1.25rem;
  }

  .timeline-item {
    padding-left: 3.8rem;
  }

  .timeline::before {
    left: 1.25rem;
  }

  .timeline-dot {
    width: 2.6rem;
    height: 2.6rem;
  }

  .footer-content,
  .footer-bottom {
    text-align: center;
  }

  .footer-brand p {
    margin-left: auto;
    margin-right: auto;
  }

  .social-links {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}