:root {
  --bg: #f4f1ea;
  --paper: #fbfaf6;
  --ink: #111111;
  --muted: #6a685f;
  --line: #ddd7cb;
  --accent: #2d5bff;
  --shadow: 0 24px 60px rgba(17, 17, 17, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(17, 17, 17, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(17, 17, 17, 0.03) 1px, transparent 1px),
    var(--bg);
  background-size: 88px 88px;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

main {
  width: min(1440px, calc(100vw - 48px));
  margin: 0 auto;
  padding: 32px 0 80px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(221, 215, 203, 0.8);
  backdrop-filter: blur(14px);
  background: rgba(244, 241, 234, 0.8);
}

.brand,
.nav a {
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
}

.hero,
.section {
  border: 1px solid var(--line);
  background: rgba(251, 250, 246, 0.72);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 32px;
  margin-top: 18px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  max-width: 760px;
}

.eyebrow,
.section-note,
.meta-grid span,
.section-no {
  color: var(--accent);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 14px;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 0.95;
}

.lead {
  max-width: 18em;
  margin-bottom: 32px;
  font-size: clamp(20px, 2.1vw, 30px);
  line-height: 1.45;
  color: var(--muted);
}

.project-address {
  margin-bottom: 18px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--muted);
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.meta-grid article,
.role-card,
.bullet-band p,
.three-points article {
  min-height: 0;
}

.meta-grid article {
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.meta-grid span {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.meta-grid strong {
  font-size: 21px;
  line-height: 1.35;
}

.hero-media {
  min-height: 620px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #e9e5dd;
}

.hero-media-top {
  min-height: 560px;
}

.hero-media-top img,
.hero-media-top video {
  object-fit: cover;
  object-position: center top;
}

.section {
  margin-top: 22px;
  padding: 30px;
}

.split {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.section-no {
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

h2 {
  margin-bottom: 8px;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1;
}

.section-note {
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
}

.compact-text {
  display: grid;
  gap: 12px;
  align-content: start;
}

.overview-stack {
  display: grid;
  gap: 18px;
}

.overview-section {
  padding: 34px;
}

.overview-top {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.overview-title h2 {
  margin-bottom: 0;
}

.overview-summary {
  display: grid;
  gap: 10px;
  max-width: 940px;
}

.overview-statement,
.overview-note {
  margin: 0;
}

.overview-statement {
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.18;
  font-weight: 700;
}

.overview-note {
  max-width: 34em;
  font-size: 22px;
  line-height: 1.55;
  color: var(--muted);
}

.overview-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.8fr);
  gap: 20px;
  margin-top: 26px;
  align-items: stretch;
}

.overview-scene-card,
.overview-visual-card {
  display: grid;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.76);
}

.overview-stage-hero {
  aspect-ratio: 1.55 / 1;
}

.overview-side {
  display: grid;
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
}

.overview-visual-copy h3,
.overview-stage-copy h3 {
  margin-bottom: 8px;
  font-size: 22px;
}

.overview-visual-copy p,
.overview-stage-copy p {
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
  color: var(--muted);
}

.overview-effect {
  aspect-ratio: 1.8 / 1;
}

.circulation-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 22px;
  margin-top: 24px;
  align-items: stretch;
}

.circulation-plan {
  aspect-ratio: 2.45 / 1;
  background: #f1f0ec;
}

.circulation-plan img {
  object-fit: contain;
}

.circulation-copy {
  display: grid;
  gap: 14px;
}

.circulation-copy article {
  padding: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
}

.circulation-copy span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 18px;
  font-weight: 800;
}

.circulation-copy h3 {
  margin-bottom: 8px;
  font-size: 24px;
}

.circulation-copy p {
  margin: 0;
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
}

.compact-text p,
.role-card p,
.three-points p,
.bullet-band p {
  margin: 0;
  font-size: 22px;
  line-height: 1.55;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

.tag-row span {
  padding: 10px 16px;
  border: 1px solid var(--line);
  background: white;
  font-size: 16px;
  font-weight: 700;
}

.overview-tags {
  margin-top: 18px;
}

.wayfinding-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.tile {
  aspect-ratio: 1.16 / 1;
  overflow: hidden;
  border: 1px solid var(--line);
  background: white;
}

.bullet-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.bullet-band p {
  padding: 18px;
  border: 1px solid var(--line);
  background: white;
}

.display-intro {
  max-width: 760px;
  margin-top: 16px;
}

.display-intro p {
  margin: 0;
  font-size: 20px;
  line-height: 1.65;
  color: var(--muted);
}

.display-gallery {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
  align-items: start;
}

.display-hero {
  grid-column: span 6;
  grid-row: span 2;
  aspect-ratio: 1.18 / 1;
}

.display-small {
  grid-column: span 3;
  aspect-ratio: 1 / 1;
}

.display-wide {
  grid-column: span 6;
  aspect-ratio: 1.6 / 1;
}

.display-captions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.display-captions article {
  padding: 18px 18px 20px;
  border-top: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.78);
}

.display-captions span {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.role-inline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.overview-role-grid {
  margin-top: 18px;
}

.role-card {
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
}

.role-card h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.model-card {
  grid-column: span 6;
  display: grid;
  gap: 12px;
}

.model-card-large {
  grid-column: span 12;
}

.model-card-large .tile {
  aspect-ratio: 2.2 / 1;
}

.model-card:not(.model-card-large) .tile {
  aspect-ratio: 1.95 / 1;
}

.model-copy {
  padding: 2px 2px 0;
}

.model-copy h3 {
  margin-bottom: 8px;
  font-size: 24px;
}

.model-copy p {
  margin: 0;
  font-size: 18px;
  line-height: 1.55;
  color: var(--muted);
}

.built-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.75fr) minmax(0, 1.25fr);
  gap: 22px;
  margin-top: 24px;
  align-items: start;
}

.built-card {
  display: grid;
  gap: 14px;
}

.built-card .tile {
  aspect-ratio: 1.55 / 1;
}

.built-card-facade .tile {
  aspect-ratio: 0.78 / 1;
}

.built-copy h3 {
  margin-bottom: 8px;
  font-size: 24px;
}

.built-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

@media (max-width: 1100px) {
  .split {
    grid-template-columns: 1fr;
  }

  .overview-top,
  .overview-stage,
  .circulation-layout {
    grid-template-columns: 1fr;
  }

  .overview-side {
    grid-template-rows: auto;
  }

  .hero-media {
    min-height: 420px;
  }

  .hero-media-top {
    min-height: 360px;
  }

  .wayfinding-grid,
  .bullet-band,
  .display-captions,
  .role-grid,
  .role-inline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .display-hero,
  .display-small,
  .display-wide {
    grid-column: span 6;
  }

  .model-card,
  .model-card-large {
    grid-column: span 6;
  }

  .built-grid {
    grid-template-columns: 1fr;
  }

  .built-card-facade .tile {
    aspect-ratio: 1.2 / 1;
  }
}

@media (max-width: 720px) {
  main {
    width: min(100vw - 24px, 1440px);
    padding-top: 18px;
  }

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

  .hero,
  .section {
    padding: 18px;
  }

  .meta-grid,
  .wayfinding-grid,
  .bullet-band,
  .display-captions,
  .role-grid,
  .role-inline {
    grid-template-columns: 1fr;
  }

  .display-hero,
  .display-small,
  .display-wide,
  .model-card,
  .model-card-large {
    grid-column: span 12;
  }

  .compact-text p,
  .role-card p,
  .three-points p,
  .bullet-band p {
    font-size: 18px;
  }
}