/* 首页三幕、栏目两幕。仅用于 scenePage，不改变文章和归档的阅读版式。 */
html.scene-document {
  font-size: 16px;
  --wrap: 1920px;
  --scene-header-h: 168px;
  --scene-compact-h: 64px;
  --scene-brand-size: clamp(38px, 4.725vw, 70px);
  --scene-hero-paper: #0b0806;
  --scene-graph-height: clamp(320px, 57svh, 660px);
  scroll-padding-top: var(--scene-compact-h);
}
.scene-page .wrap { width: min(90%, var(--wrap)); }
.scene-page .masthead-top { padding-block: 22px 16px; align-items: center; }
.scene-page .brand { gap: 18px; }
.scene-page .brand-mark { width: 62px; }
.scene-page .brand-name { font-size: var(--scene-brand-size); line-height: 1.1; }
.scene-page .brand-tag { margin-top: 10px; font-size: 21px; line-height: 1.4; letter-spacing: .14em; }
.scene-page .site-nav { gap: 30px; border-top: 1px solid var(--rule-strong); padding-block: 0; }
.scene-page .site-nav a { font-size: 23px; line-height: 1.4; padding-block: 13px; }
.scene-page .site-nav a:nth-last-child(-n+2) { color: var(--ink-soft); font-size: 20px; }
.scene-page .site-nav a:nth-last-child(2) { margin-left: auto; }
.scene-page .masthead-side { font-size: 19px; }
.scene-page .tool-link, .scene-page .theme-toggle { font-size: 19px; }
.scene-page .site-main { padding: 0; }
.scene { min-width: 0; scroll-margin-top: 16px; }
.scene-opening { min-height: calc(100svh - var(--scene-header-h)); }
.scene-next, .scene-reading {
  min-height: calc(100svh - var(--scene-compact-h) - 16px);
  padding-block: 44px 28px;
  border-top: 1px solid var(--rule-strong);
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.scene .section-head { margin: 0; padding: 0; border: 0; gap: 16px; flex-wrap: wrap; }
.scene .section-head h2 { font-size: 30px; line-height: 1.3; }
.scene .section-note { font-family: var(--font-sans); font-size: 13px; letter-spacing: .04em; }
.scene-kicker { font-family: var(--font-sans); font-size: 12px; color: var(--ink-faint); letter-spacing: .14em; }
.scene-down { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; color: var(--ink-soft); font: 13px var(--font-sans); text-decoration: none; }
.scene-down:hover { color: var(--ink); }
/* 完整原图保留手写质感；暖黑底、明度混合与窄幅羽化共同消除四边接缝。 */
.scene-page[data-scene-page="home"] .masthead { background: var(--scene-hero-paper); }
.scene-page[data-scene-page="home"] .site-main { width: 100%; }
.scene-page[data-scene-page="home"] .scene-next,
.scene-page[data-scene-page="home"] .scene-reading { width: min(90%, var(--wrap)); margin-inline: auto; }
.home-opening {
  display: flex;
  flex-direction: column;
  padding-top: 32px;
  background: linear-gradient(to bottom, var(--scene-hero-paper) 0%, var(--scene-hero-paper) 78%, var(--paper) 100%);
}
.hero-original { width: min(90%, var(--wrap)); margin: 0 auto; min-height: 0; flex: 1; display: grid; place-items: center; }
.hero-original picture { display: block; width: 100%; }
.hero-original img {
  display: block;
  width: 100%;
  height: min(72svh, calc(100svh - var(--scene-header-h) - 88px));
  min-height: 0;
  object-fit: contain;
  filter: contrast(1.3) brightness(.86);
  mix-blend-mode: lighten;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 2%, #000 98%, transparent), linear-gradient(to bottom, transparent, #000 3%, #000 94%, transparent);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(to right, transparent, #000 2%, #000 98%, transparent), linear-gradient(to bottom, transparent, #000 3%, #000 94%, transparent);
  mask-composite: intersect;
}
.home-opening .scene-down { justify-content: center; padding-block: 12px; font-size: 18px; color: var(--ink-faint); }
:root[data-theme="light"] { --scene-hero-paper: var(--paper); }
:root[data-theme="light"] .hero-original img { mix-blend-mode: normal; filter: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) { --scene-hero-paper: var(--paper); }
  :root:not([data-theme="dark"]) .hero-original img { mix-blend-mode: normal; filter: none; }
}
.home-nebula .nebula-grid { grid-template-columns: minmax(0, 7fr) minmax(280px, 3fr); gap: 32px; }
.home-nebula .nebula-canvas { height: var(--scene-graph-height); min-height: 0; overflow: hidden; }
.scene-page .home-nebula .nebula-canvas canvas { width: 100%; height: 100%; }
.home-nebula .nebula-inspector { border: 0; border-left: 1px solid var(--rule); background: transparent; padding: 4px 0 4px 28px; gap: 18px; }
.home-nebula .ni-title { font-size: 23px; font-weight: 500; line-height: 1.5; }
.home-nebula .ni-dek { font-size: 15px; line-height: 1.85; }
.ni-weight-details { margin-top: auto; font: 12px var(--font-sans); color: var(--ink-soft); }
.ni-weight-details summary { cursor: pointer; padding-block: 8px; }
.home-nebula .ni-coords { margin-top: auto; }
.home-nebula .ni-views { padding-top: 12px; gap: 10px; }
.home-nebula .nebula-toolbar { margin-top: 16px; display: flex; align-items: center; flex-wrap: wrap; gap: 12px 18px; }
.home-nebula .nebula-hint { margin-top: 14px; }
.home-nebula .nebula-hint { margin: 0; text-align: left; font: 12px/1.7 var(--font-sans); }
.nebula-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.nebula-tools .vw-label { margin-right: 4px; }
.nebula-labels { position: absolute; inset: 0; pointer-events: none; z-index: 1; overflow: hidden; }
.nebula-node-label { position: absolute; pointer-events: auto; max-width: min(230px, 46%); padding: 7px 10px; background: var(--surface); color: var(--ink-soft); border-left: 2px solid var(--rule-strong); font: 13px/1.5 var(--font-sans); text-align: left; overflow-wrap: anywhere; }
.nebula-node-label[aria-pressed="true"] { border-color: var(--ink); color: var(--ink); }
.fallback-posts { margin-top: 22px; display: grid; gap: 12px; }
.fallback-posts a { display: flex; justify-content: space-between; gap: 16px; font-size: 16px; text-decoration: none; }
.fallback-posts time { font: 12px var(--font-mono); color: var(--ink-faint); white-space: nowrap; }
.scene-reading .ledger { margin: 0; }
.scene-reading .ledger-link { grid-template-columns: 110px minmax(0, 1fr) auto; gap: 24px; padding-block: 22px; }
.scene-reading .ledger-title { font-size: 22px; }
.scene-reading .ledger-date { font-size: 12px; }
.scene-reading .ledger-meta { font-size: 13px; color: var(--ink-soft); }
.scene-reading .ledger-no, .scene-reading .weights { display: none; }
.scene-reading .ledger-summary { color: var(--ink-faint); font: 13px var(--font-sans); }
.scene-footer { margin-top: auto; padding-top: 28px; border-top: 1px solid var(--rule); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; color: var(--ink-faint); font: 12px/1.7 var(--font-sans); }
.scene-footer nav { display: flex; flex-wrap: wrap; gap: 22px; }
.scene-footer a { color: var(--ink-soft); text-decoration: none; }
.scene-footer a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.scene-footer p span { display: block; }
.scene-rail { position: fixed; right: 16px; top: 50%; transform: translateY(-50%); display: grid; gap: 12px; z-index: 8; }
.scene-rail a { display: flex; align-items: center; justify-content: flex-end; gap: 8px; min-width: 40px; min-height: 36px; font: 11px var(--font-mono); text-decoration: none; color: var(--ink-faint); }
.scene-rail a::after { content: ''; width: 12px; height: 1px; background: var(--rule-strong); }
.scene-rail a[aria-current="location"] { color: var(--ink); }
.scene-rail a[aria-current="location"]::after { width: 24px; background: var(--ink); }
.scene-compact { position: fixed; inset: 0 0 auto; z-index: 10; min-height: var(--scene-compact-h); border-bottom: 1px solid var(--rule); background: var(--paper); visibility: hidden; transform: translateY(-100%); transition: transform .2s ease, visibility .2s; }
.scene-compact[data-visible] { visibility: visible; transform: none; }
.scene-compact .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: var(--scene-compact-h); }
.scene-compact a { font: 14px var(--font-sans); text-decoration: none; }
.scene-compact .compact-brand { font: 20px var(--font-display); }
.scene-compact nav { display: flex; align-items: center; gap: 26px; }
.scene-compact nav a { display: inline-flex; align-items: center; gap: 7px; }
.scene-compact a[aria-current="page"] { text-decoration: underline; text-underline-offset: 8px; }
.axis-opening { padding-block: 28px 0; display: flex; flex-direction: column; }
.axis-opening .scene-down { margin-top: auto; }
.axis-opening .axis-head { padding: 0 0 22px; margin: 0; border: 0; align-items: center; }
.axis-opening .axis-name { font-size: clamp(34px, 3.4vw, 48px); line-height: 1.2; margin-top: 8px; }
.axis-opening .axis-kicker { font-size: 11px; line-height: 1.4; }
.axis-opening .axis-latin { display: none; }
.axis-opening .axis-desc { margin-top: 10px; max-width: none; font-size: 16px; line-height: 1.6; }
.axis-opening .axis-stats { margin-top: 10px; font-size: 12px; line-height: 1.4; }
.axis-opening .axis-motif { width: 100px; }
.axis-opening .explore-map { position: relative; margin: 0; height: clamp(200px, calc(100svh - var(--scene-header-h) - 330px), 520px); }
.axis-opening .map-empty { inset: auto auto 20px 20px; transform: none; width: min(calc(100% - 40px), 340px); padding: 16px 20px; }
.axis-opening .map-empty p { font-size: 14px; }
.axis-opening .map-empty a { display: inline-block; margin-top: 8px; }
.map-focus { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: baseline; margin-top: 14px; font: 13px/1.6 var(--font-sans); color: var(--ink-soft); }
.map-focus strong { color: var(--ink); font-weight: 500; }
.axis-categories { display: flex; flex-wrap: wrap; gap: 12px 28px; }
.axis-categories a { display: inline-flex; align-items: center; gap: 8px; font: 15px var(--font-sans); min-height: 36px; text-decoration: none; }
.category-count { color: var(--ink-faint); font: 12px var(--font-mono); }
.axis-reading .home-section { margin: 0; }
.axis-reading .geo-card { margin: 0; border: 0; background: transparent; }
.axis-reading .gc-head { display: none; }
.axis-reading .gc-grid { padding: 0; }
.axis-reading .gc-dim { padding: 16px 0; }
.axis-reading .empty { margin: 0; padding: 20px 0; border: 0; }
.axis-opening .kg-panels { margin: 0; display: block; }
.axis-opening .kg-panel svg { height: clamp(200px, calc(100svh - var(--scene-header-h) - 330px), 520px); width: 100%; }
.axis-opening .kg-cap { font-size: 12px; padding: 10px 16px; flex-wrap: wrap; gap: 8px; }
.axis-opening .kg-label, .axis-opening .kg-node-label { font-size: var(--kg-label-size, 13px); pointer-events: none; }
.axis-opening .kg-count, .axis-opening .kg-path-note { font-size: var(--kg-count-size, 11px); }
.axis-opening .kg-count, .axis-opening .kg-path-note { pointer-events: none; }
.insight-preview { margin-top: 16px; }
.insight-preview summary { font: 13px var(--font-sans); color: var(--ink-soft); cursor: pointer; padding-block: 8px; }
.insight-preview .insight-layers { margin-top: 16px; }
.axis-reading .cluster-index { margin: 0; }
.knowledge-focus { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px 20px; font: 13px/1.6 var(--font-sans); color: var(--ink-soft); }
.knowledge-focus strong { color: var(--ink); font-weight: 500; }
.insight-feature { flex: 1; display: flex; flex-direction: column; justify-content: center; max-width: 860px; padding-block: 32px; gap: 22px; }
.insight-feature h2 { font-size: clamp(30px, 3.2vw, 46px); line-height: 1.5; font-weight: 500; }
.insight-feature h2 a { text-decoration: none; }
.insight-feature .feature-dek { font-size: 18px; line-height: 1.9; color: var(--ink-soft); max-width: 44ch; }
.insight-feature .feature-meta { font: 12px var(--font-sans); color: var(--ink-faint); }
.insight-layers { display: grid; gap: 20px; max-width: 66ch; }
.insight-layers h3 { font: 12px var(--font-sans); color: var(--ink-faint); margin-bottom: 8px; }
.insight-layers p { font-size: 17px; line-height: 1.8; }
.insight-entry { border-top: 1px solid var(--rule); padding-block: 22px; }
.insight-entry h3 { font-size: 24px; font-weight: 500; }
.insight-entry h3 a { text-decoration: none; }
.insight-entry p { margin-top: 12px; max-width: 66ch; color: var(--ink-soft); font-size: 16px; }
.insight-entry time { display: block; font: 12px var(--font-mono); color: var(--ink-faint); margin-top: 12px; }
@media (min-width: 64rem) and (min-height: 700px) and (prefers-reduced-motion: no-preference) {
  html.scene-document { scroll-snap-type: y proximity; }
  .scene-page .masthead, .scene-next, .scene-reading { scroll-snap-align: start; }
  .scene-page .masthead { scroll-margin-top: 0; }
}
@media (max-width: 63.99rem) {
  .home-nebula .nebula-grid { grid-template-columns: minmax(0, 1fr); }
  .home-nebula .nebula-inspector { border-left: 0; border-top: 1px solid var(--rule); padding: 24px 0 0; }
  .home-nebula .ni-coords { margin-top: 0; }
  .scene-rail { right: 6px; }
  .scene-rail a { min-width: 28px; gap: 4px; }
  .scene-rail a::after { width: 6px; }
  .scene-rail a[aria-current="location"]::after { width: 12px; }
}
@media (max-width: 47.99rem) {
  .scene-page .wrap { width: calc(100% - 40px); }
  .scene-page .masthead-top { padding-block: 22px 16px; gap: 16px; }
  .scene-page .brand { gap: 10px; }
  .scene-page .brand-name { font-size: clamp(26px, 7.2vw, 32px); }
  .scene-page .brand-mark { width: 32px; }
  .scene-page .brand-tag { font-size: 12px; letter-spacing: .1em; }
  .scene-page .masthead-side { margin-left: 42px; font-size: 15px; }
  .scene-page .tool-link, .scene-page .theme-toggle { font-size: 15px; }
  .scene-page .site-nav { display: flex; overflow: visible; flex-wrap: wrap; gap: 0 20px; }
  .scene-page .site-nav a { font-size: 16px; padding-block: 12px; }
  .scene-page .site-nav a:nth-last-child(-n+2) { font-size: 15px; }
  .scene-page .site-nav a:nth-last-child(2) { margin-left: 0; }
  .scene-page .m-nav { display: none; }
  .scene { min-height: 0; }
  .scene-next, .scene-reading { padding-block: 30px; gap: 22px; }
  .home-opening { padding-top: 24px; }
  .hero-original,
  .scene-page[data-scene-page="home"] .scene-next,
  .scene-page[data-scene-page="home"] .scene-reading { width: calc(100% - 40px); }
  .hero-original img { height: auto; min-height: 0; }
  .scene-down { font-size: 12px; }
  .scene .section-head h2 { font-size: 26px; }
  .scene .section-note { font-size: 12px; }
  .home-nebula .nebula-fallback .nebula-canvas { height: auto; }
  .home-nebula .nebula-fallback svg { min-height: 210px; }
  .fallback-posts a { display: grid; gap: 6px; }
  .scene-reading .ledger-link { grid-template-columns: minmax(0, 1fr) auto; gap: 10px; padding-block: 20px; }
  .scene-reading .ledger-date { grid-column: 1 / -1; }
  .scene-reading .ledger-title { font-size: 19px; }
  .scene-reading .ledger-meta { white-space: normal; font-size: 12px; }
  .scene-footer { margin-top: 24px; align-items: flex-start; }
  .scene-footer p { flex-basis: 100%; order: 1; }
  .scene-rail { display: none; }
  .scene-compact .compact-brand { display: none; }
  .scene-compact nav { width: 100%; justify-content: space-between; gap: 8px; }
  .scene-compact nav a { font-size: 13px; min-height: 44px; }
  .axis-opening { padding-top: 24px; }
  .axis-opening .axis-motif { width: 64px; }
  .axis-opening .axis-desc { font-size: 15px; }
  .axis-opening .axis-name { font-size: 36px; }
  .axis-opening .explore-map { height: 330px; }
  .axis-opening .map-empty { padding: 12px; bottom: 12px; left: 12px; width: min(calc(100% - 24px), 260px); }
  .axis-opening .map-empty p { font-size: 12px; }
  .axis-opening .kg-panel svg { height: 300px; }
  .insight-feature { padding-block: 24px; }
  .insight-feature .feature-dek { font-size: 17px; }
  .insight-entry h3 { font-size: 21px; }
  .axis-reading .ci-row { grid-template-columns: minmax(0, 1fr) auto; }
  .axis-reading .ci-row .no { display: none; }
}
@media (pointer: coarse) {
  .axis-categories a, .scene-footer nav a, .vw-btn, .nebula-node-label { min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  html.scene-document { scroll-behavior: auto; scroll-snap-type: none; }
  .scene-compact { transition: none; }
}
@media print {
  .scene-rail, .scene-compact, .scene-down { display: none; }
  .scene { min-height: 0; }
}