:root {
  --ink-900: #15130f;
  --ink-800: #23201a;
  --ink-700: #3a352c;
  --ink-500: #6a6458;
  --ink-400: #8d8779;
  --ink-300: #b7b1a3;
  --parchment-50: #faf7f0;
  --parchment-100: #f3eee3;
  --parchment-200: #e7dfcb;
  --parchment-300: #d3c9ae;
  --accent: #8a3b2b;
  --accent-hover: #6e2e22;
  --sage-600: #4d6a55;
  --white: #ffffff;
  --serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
  --sans: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans CJK SC',
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--parchment-50);
  color: var(--ink-800);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header ─────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 247, 240, 0.9);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--parchment-200);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--serif);
  font-weight: 700;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--ink-900);
  color: var(--parchment-50);
  font-size: 22px;
  border-radius: 4px;
}

.brand-mark-image {
  padding: 0;
  background: transparent;
  width: 40px;
  height: 40px;
  overflow: hidden;
}

.brand-mark-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-zh {
  font-size: 18px;
  color: var(--ink-900);
}

.brand-en {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-400);
}

.site-nav {
  display: none;
  margin-left: auto;
  gap: 28px;
  font-size: 14px;
  color: var(--ink-700);
}

.site-nav a {
  position: relative;
  padding: 6px 0;
}

.site-nav a:hover {
  color: var(--ink-900);
}

.nav-cta {
  margin-left: auto;
  padding: 10px 18px;
  background: var(--ink-900);
  color: var(--parchment-50);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  transition: background 150ms ease;
}

.site-nav + .nav-cta {
  margin-left: 0;
}

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

@media (min-width: 900px) {
  .site-nav {
    display: flex;
  }
}

/* ── Hero ───────────────────────────────────────── */

.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(circle at 20% 0%, rgba(138, 59, 43, 0.06), transparent 60%),
    linear-gradient(180deg, var(--parchment-50), var(--parchment-100));
  border-bottom: 1px solid var(--parchment-200);
}

.hero-inner {
  max-width: 880px;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin: 0 0 24px;
}

.hero-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.1;
  color: var(--ink-900);
  margin: 0 0 32px;
  letter-spacing: -0.01em;
}

.hero-lede {
  max-width: 640px;
  font-size: 18px;
  color: var(--ink-700);
  margin: 0 0 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 64px;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  transition: all 180ms ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--ink-900);
  color: var(--parchment-50);
}

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

.btn-ghost {
  background: transparent;
  color: var(--ink-800);
  border-color: var(--ink-300);
}

.btn-ghost:hover {
  border-color: var(--ink-800);
  background: var(--parchment-100);
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin: 0;
  padding: 32px 0 0;
  border-top: 1px solid var(--parchment-200);
}

@media (min-width: 700px) {
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

.hero-stats > div {
  display: flex;
  flex-direction: column;
}

.hero-stats dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-bottom: 8px;
}

.hero-stats dd {
  margin: 0;
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--ink-900);
}

.hero-stats dd span {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-500);
  margin-left: 8px;
}

/* ── Sections ───────────────────────────────────── */

.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--parchment-200);
}

.section-muted {
  background: var(--parchment-100);
}

.section-dark {
  background: var(--ink-900);
  color: var(--parchment-100);
  border-color: var(--ink-800);
}

.section-archive {
  background: linear-gradient(180deg, var(--ink-800), #0e0d09);
  color: var(--parchment-100);
  border-color: var(--ink-800);
}

.section-eyebrow {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin: 0 0 12px;
}

.section-eyebrow.light {
  color: var(--parchment-300);
}

.section-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  color: var(--ink-900);
  margin: 0 0 48px;
}

.section-title.light {
  color: var(--parchment-50);
}

.about-header {
  max-width: 780px;
  margin-bottom: 40px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 900px) {
  .two-col {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 80px;
  }
}

.section-body p {
  font-size: 17px;
  color: var(--ink-700);
  margin: 0 0 20px;
}

.section-body p:last-child {
  margin-bottom: 0;
}

.about-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 920px) {
  .about-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }
}

.about-panel {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--parchment-200);
  border-radius: 16px;
  box-shadow: 0 1px 0 rgba(21, 19, 15, 0.03);
}

.about-panel-muted {
  background: var(--parchment-100);
}

.about-logo-row {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 22px;
}

.about-logo {
  display: block;
  height: auto;
}

.about-logo-compact {
  width: 72px;
}

.about-logo-wide {
  width: min(320px, 100%);
}

.about-kicker {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-400);
}

.about-panel h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.2;
  color: var(--ink-900);
}

/* ── Cards ──────────────────────────────────────── */

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 700px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.section:not(.section-dark):not(.section-archive) .cards {
  color: var(--ink-800);
}

.section-dark .cards,
.section-archive .cards {
  color: var(--parchment-100);
}

.section-dark .card h3,
.section-archive .card h3 {
  color: var(--parchment-50);
}

.card {
  padding: 32px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
}

.card-media {
  margin: -32px -32px 24px;
  overflow: hidden;
  border-radius: 12px 12px 0 0;
}

.card-media img {
  display: block;
  width: 100%;
  aspect-ratio: 1.45 / 1;
  object-fit: cover;
}

.zoomable-image {
  cursor: zoom-in;
}

.section-muted .card,
.section:not(.section-dark):not(.section-archive) .card {
  background: var(--white);
  border: 1px solid var(--parchment-200);
  box-shadow: 0 1px 0 rgba(21, 19, 15, 0.03);
}

.card-outline {
  background: transparent !important;
  border: 1px solid var(--parchment-300) !important;
}

.card-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin: 0 0 16px;
}

.section-dark .card-label {
  color: var(--parchment-300);
}

.card h3 {
  font-family: var(--serif);
  font-size: 24px;
  margin: 0 0 8px;
  color: inherit;
}

.card-meta {
  font-size: 13px;
  color: var(--ink-400);
  margin: 0 0 16px;
}

.section-dark .card-meta {
  color: var(--parchment-300);
}

.card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-500);
  margin: 0;
}

.section-dark .card p {
  color: var(--parchment-200);
}

/* ── Timeline ───────────────────────────────────── */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--parchment-200);
}

.timeline li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 24px 0 24px 32px;
  position: relative;
}

.timeline li::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 34px;
  width: 9px;
  height: 9px;
  background: var(--accent);
  border-radius: 50%;
}

.timeline-year {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink-900);
}

.timeline h3 {
  font-family: var(--serif);
  font-size: 20px;
  margin: 0 0 6px;
  color: var(--ink-900);
}

.timeline p {
  font-size: 15px;
  color: var(--ink-500);
  margin: 0;
}

.timeline-inline-block {
  margin-top: 28px;
}

.timeline-inline-block h3 {
  margin-bottom: 10px;
}

.section-aside {
  margin-top: 48px;
  padding: 24px 28px;
  background: var(--parchment-100);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  font-size: 15px;
  color: var(--ink-700);
}

.exhibition-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 40px;
}

@media (min-width: 760px) {
  .exhibition-gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

.exhibition-shot {
  margin: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--parchment-200);
  border-radius: 14px;
  box-shadow: 0 1px 0 rgba(21, 19, 15, 0.03);
}

.exhibition-shot-wide {
  grid-column: 1 / -1;
}

.exhibition-shot-portrait img {
  aspect-ratio: 4 / 5;
}

.exhibition-shot img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 0.88;
  object-fit: cover;
}

.exhibition-shot-wide img {
  aspect-ratio: 2.1 / 1;
}

.exhibition-shot figcaption {
  display: grid;
  gap: 4px;
  padding: 14px 16px 16px;
}

.exhibition-shot strong {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.exhibition-shot span {
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-700);
}

.image-lightbox {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: rgba(8, 8, 8, 0.88);
  z-index: 1000;
}

.image-lightbox.is-open {
  display: flex;
}

.image-lightbox-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: transparent;
  cursor: zoom-out;
}

.image-lightbox-content {
  position: relative;
  z-index: 1;
  max-width: min(92vw, 1400px);
  max-height: 88vh;
  margin: 0;
}

.image-lightbox-content img {
  display: block;
  max-width: 100%;
  max-height: calc(88vh - 48px);
  width: auto;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
}

.image-lightbox-content figcaption {
  margin-top: 14px;
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
}

.programs-intro {
  max-width: 780px;
  margin: -24px 0 40px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-700);
}

/* ── Archive CTA ────────────────────────────────── */

.archive-lede {
  font-size: 18px;
  color: var(--parchment-200);
  margin: 0 0 32px;
}

.feature-list {
  list-style: none;
  margin: 0 0 40px;
  padding: 0;
  color: var(--parchment-200);
  font-size: 15px;
}

.feature-list li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.feature-list li:last-child {
  border-bottom: none;
}

.archive-card {
  padding: 40px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 16px;
  align-self: start;
}

.archive-card-label {
  font-family: 'SF Mono', ui-monospace, Menlo, monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--parchment-300);
  margin: 0 0 12px;
}

.archive-card-title {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--parchment-50);
  margin: 0 0 16px;
}

.archive-card-body {
  font-size: 14px;
  color: var(--parchment-200);
  margin: 0;
}

/* ── Visit ──────────────────────────────────────── */

.visit-card {
  padding: 40px;
  background: var(--white);
  border: 1px solid var(--parchment-200);
  border-radius: 12px;
}

.visit-card dl {
  margin: 0;
  display: grid;
  gap: 24px;
}

.visit-card dt {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-bottom: 4px;
}

.visit-card dd {
  margin: 0;
  font-size: 16px;
  color: var(--ink-800);
}

/* ── Footer ─────────────────────────────────────── */

.site-footer {
  padding: 64px 0 48px;
  background: var(--ink-900);
  color: var(--parchment-200);
}

.footer-inner {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .footer-inner {
    grid-template-columns: 1.2fr 1fr auto;
    align-items: center;
  }
}

.footer-brand {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--parchment-50);
  margin: 0 0 6px;
}

.footer-sub {
  margin: 0;
  font-size: 13px;
  color: var(--parchment-300);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--parchment-50);
}

.footer-copy {
  font-size: 12px;
  color: var(--ink-400);
  margin: 0;
}