:root {
  color-scheme: dark;
  --bg: #0b0d0f;
  --panel: #14191e;
  --ink: #e8e6e1;
  --muted: #adb7c3;
  --accent: #6fd6d0;
  --edge: #29313a;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-underline-offset: 0.25em; }
a:hover { color: var(--accent); }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, p, figure, blockquote { margin: 0; }
h1, h2 { line-height: 1.2; font-weight: 600; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.3rem, 2.5vw, 1.65rem); }
p { color: var(--muted); max-width: 64ch; }
code { font-family: var(--mono); font-size: 0.9em; }
p code { color: var(--ink); overflow-wrap: anywhere; }
.skip-link { position: fixed; left: 1rem; top: 1rem; padding: 0.6rem 1rem; background: var(--ink); color: var(--bg); transform: translateY(-180%); z-index: 30; }
.skip-link:focus { transform: none; }
.site-header, .page, .site-footer { width: min(1080px, calc(100% - 3rem)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 88px; border-bottom: 1px solid var(--edge); }
.brand { display: inline-flex; align-items: center; gap: 0.65rem; font: 600 1.25rem var(--mono); text-decoration: none; }
.site-header nav, .site-footer nav { display: flex; align-items: center; flex-wrap: wrap; gap: 0.5rem 1.7rem; }
.site-header nav a { text-decoration: none; font-size: 0.9rem; color: var(--muted); padding-block: 0.5rem; }
.site-header nav a:hover, .site-header nav a[aria-current='page'] { color: var(--ink); }
.site-header nav a[aria-current='page'] { text-decoration: underline; text-decoration-color: var(--accent); }
.intro { padding-block: clamp(3rem, 7vw, 5rem); }
.wordmark { font-family: var(--mono); font-size: clamp(3.8rem, 9vw, 6rem); letter-spacing: -0.08em; margin-left: -0.06em; }
.lead { color: var(--ink); font-size: clamp(1.5rem, 4vw, 2.2rem); line-height: 1.4; margin-block: 1.2rem 0.8rem; letter-spacing: -0.025em; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.6rem; margin-top: 1.8rem; }
.button { display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--accent); border-radius: 6px; padding: 0.6rem 1.1rem; background: var(--accent); color: var(--bg); font-weight: 600; text-decoration: none; min-height: 44px; }
.button:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.text-link { color: var(--ink); text-decoration-color: var(--accent); }
.install { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 2rem 3rem; align-items: center; padding-block: 2.8rem; border-top: 1px solid var(--edge); scroll-margin-top: 1rem; }
.install p { margin-block: 0.8rem 1rem; font-size: 0.95rem; }
.command { background: var(--panel); padding: 1.4rem; border-radius: 8px; font: 0.88rem/2 var(--mono); margin: 0; overflow-x: auto; }
.command code { font-size: inherit; }
.command span { color: var(--accent); }
.gallery-invite { display: grid; grid-template-columns: minmax(0, 240px) minmax(0, 1fr); align-items: center; gap: 2rem; padding-block: 2.8rem 3.8rem; border-top: 1px solid var(--edge); }
.gallery-invite p { margin-block: 0.65rem 0.9rem; }
.preview { display: block; overflow: hidden; border-radius: 6px; border: 1px solid var(--edge); }
.preview img { width: 100%; }
.site-footer { display: flex; justify-content: space-between; gap: 1rem 2rem; flex-wrap: wrap; border-top: 1px solid var(--edge); padding-block: 1.8rem 2.5rem; color: var(--muted); font-size: 0.8rem; }
.site-footer a { text-decoration: none; }
.page-heading { padding-block: 3.5rem 2.5rem; }
.page-heading h1 { font-size: clamp(2.3rem, 5vw, 3.5rem); margin-bottom: 1rem; }
.exhibit { padding-bottom: 3.5rem; }
.exhibit + .exhibit { border-top: 1px solid var(--edge); padding-top: 3.5rem; }
.exhibit-header { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: 1.2rem; }
.exhibit-header p { font-size: 0.9rem; }
.exhibit-main { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); align-items: start; gap: 2rem; }
.exhibit figure img { border-radius: 8px; border: 1px solid var(--edge); width: 100%; }
figcaption { font-size: 0.8rem; color: var(--muted); margin-top: 0.6rem; }
.prompt-label { font-size: 0.85rem; margin-bottom: 0.7rem; }
blockquote { font-size: clamp(1.35rem, 2.5vw, 1.65rem); line-height: 1.5; padding-left: 1.1rem; border-left: 2px solid var(--accent); }
blockquote p { color: var(--ink); }
.translation { margin-top: 0.8rem; font-size: 0.9rem; }
.exhibit-description { margin-top: 1.4rem; }
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; margin: 1.2rem 0 0; padding: 0; }
.tags li { font-size: 0.75rem; color: var(--muted); border: 1px solid var(--edge); border-radius: 4px; padding: 0.12rem 0.55rem; }
.device-note { font-size: 0.85rem; margin-top: 0.75rem; }
.exhibit-details { margin-top: 1.8rem; border-top: 1px solid var(--edge); border-bottom: 1px solid var(--edge); }
summary { cursor: pointer; padding: 1rem 0; font-weight: 500; }
.details-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem 3rem; padding-bottom: 1.5rem; }
.details-grid h3 { font-size: 1rem; margin: 0 0 0.5rem; }
.details-grid p { font-size: 0.9rem; }
.controls { display: grid; grid-template-columns: auto 1fr; gap: 0.5rem 1rem; margin: 0; font-size: 0.9rem; }
.controls dt { color: var(--ink); }
.controls dd { margin: 0; color: var(--muted); }
.disclaimer { font-size: 0.8rem; margin-top: 1.3rem; }

@media (max-width: 760px) {
  .site-header { align-items: flex-start; flex-wrap: wrap; gap: 0.6rem 1rem; padding-block: 1rem; }
  .site-header nav { gap: 0.4rem 1.3rem; }
  .install, .exhibit-main { grid-template-columns: 1fr; }
  .exhibit-main { gap: 1.5rem; }
  .gallery-invite { grid-template-columns: minmax(0, 160px) minmax(0, 1fr); gap: 1.2rem; }
  .exhibit-header { flex-wrap: wrap; gap: 0.5rem; }
  .details-grid { grid-template-columns: 1fr; }
  .desktop-break { display: none; }
}

@media (max-width: 480px) {
  .site-header, .page, .site-footer { width: calc(100% - 2.5rem); }
  .site-header nav { width: 100%; justify-content: space-between; gap: 0.4rem 0.8rem; }
  .site-header nav a { font-size: 0.85rem; }
  .gallery-invite { grid-template-columns: 1fr; }
  .gallery-invite .preview { max-width: 280px; }
  .command { font-size: 0.74rem; padding: 1rem; }
  .page-heading { padding-top: 2.5rem; }
}