:root {
  --paper: #efe6d4;
  --paper-2: #f7f1e4;
  --card: #fbf7ef;
  --ink: #1c1612;
  --soft: #5e534a;
  --faint: #8a7d72;
  --line: rgba(28, 22, 18, 0.12);
  --cinnabar: #9d2d28;
  --copper: #8c5a34;
  --moss: #31473c;
  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", PMingLiU, serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --shadow: 0 18px 50px rgba(40, 24, 12, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.locked { overflow: hidden; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(157, 45, 40, 0.05), transparent 50%),
    var(--paper);
  font: 16px/1.7 var(--sans);
}
img { max-width: 100%; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; }

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.nav, .admin-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 28px;
  background: rgba(239, 230, 212, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand strong {
  display: block;
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.12em;
  line-height: 1.1;
}
.brand small { color: var(--faint); font-size: 12px; letter-spacing: 0.08em; }
.seal {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--cinnabar);
  color: var(--cinnabar);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 16px;
  transform: rotate(-8deg);
  flex: none;
}
.nav-links { display: flex; gap: 18px; }
.nav-links a, .admin-actions a, .quiet {
  color: var(--soft);
  text-decoration: none;
  font-size: 14px;
}
.nav-links a:hover, .admin-actions a:hover { color: var(--cinnabar); }

.hero {
  position: relative;
  min-height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  grid-template-rows: 1fr auto;
  color: #f6f0e6;
  background: #161210;
  overflow: hidden;
}
.hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(14, 10, 8, 0.86) 0%, rgba(14, 10, 8, 0.52) 46%, rgba(14, 10, 8, 0.18) 100%),
    linear-gradient(180deg, rgba(14, 10, 8, 0.05), rgba(14, 10, 8, 0.45));
}
.hero-copy, .toc, .hero-stats { position: relative; z-index: 1; }
.hero-copy { align-self: end; padding: 8vh 28px 28px 56px; max-width: 760px; }
.kicker {
  margin: 0 0 10px;
  color: #e4b7a2;
  letter-spacing: 0.22em;
  font-size: 12px;
  text-transform: uppercase;
}
.hero h1, .block h2, .login-card h1, .edit-head h2 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0.08em;
}
.hero h1 {
  margin: 0;
  font-size: clamp(72px, 9vw, 128px);
  line-height: 0.92;
  letter-spacing: 0.14em;
}
.lede {
  margin: 18px 0 0;
  max-width: 28em;
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.45;
}
.about { max-width: 38em; color: rgba(246, 240, 230, 0.78); margin: 14px 0 0; }
.toc {
  list-style: none;
  margin: 0;
  padding: 18vh 40px 20px 0;
  align-self: end;
}
.toc button {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 9px 0;
  border: 0;
  border-bottom: 1px solid rgba(246, 240, 230, 0.18);
  background: transparent;
  color: inherit;
  text-align: left;
}
.toc button span { font-family: var(--serif); font-size: 18px; }
.toc button small { color: rgba(246, 240, 230, 0.62); font-size: 12px; letter-spacing: 0.08em; }
.toc button:hover span, .toc button[aria-current="true"] span { color: #f0c7b4; }
.hero-stats {
  grid-column: 1 / -1;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 18px 56px 28px;
  border-top: 1px solid rgba(246, 240, 230, 0.16);
}
.hero-stats div { min-width: 90px; }
.hero-stats dt { font-family: var(--serif); font-size: 28px; letter-spacing: 0.04em; }
.hero-stats dd { margin: 0; color: rgba(246, 240, 230, 0.68); font-size: 13px; }

.block { max-width: 1120px; margin: 0 auto; padding: 72px 28px 10px; }
.block-head { max-width: 640px; margin-bottom: 22px; }
.block-head .kicker { color: var(--cinnabar); }
.block h2 { margin: 0; font-size: 40px; letter-spacing: 0.06em; }
.sub { color: var(--soft); margin: 8px 0 0; }

.chapter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.chapter {
  text-align: left;
  min-height: 230px;
  padding: 18px 16px 16px;
  border: 1px solid var(--line);
  background: var(--card);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.chapter em { font-style: normal; color: var(--copper); font-size: 12px; letter-spacing: 0.14em; }
.chapter strong { font-family: var(--serif); font-size: 26px; letter-spacing: 0.06em; }
.chapter span { color: var(--soft); font-size: 14px; line-height: 1.65; }
.chapter[aria-current="true"] { outline: 1px solid var(--cinnabar); }

.rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(250px, 300px);
  align-items: start;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
}
.quote {
  scroll-snap-align: start;
  border: 1px solid var(--line);
  background: var(--card);
  display: flex;
  flex-direction: column;
  padding: 0;
  text-align: left;
}
.quote img { width: 100%; height: 210px; object-fit: cover; background: #ddd4c4; }
.quote blockquote {
  margin: 0;
  padding: 16px 16px 0;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.quote footer { margin-top: 12px; padding: 12px 16px 16px; color: var(--faint); font-size: 13px; }

.tools { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 18px; }
.search input, select, .mini-form input, .mini-form textarea, .edit-pane input, .edit-pane textarea, .edit-pane select, .login-card input {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--paper-2);
  border-radius: 0;
  padding: 10px 12px;
}
.search { flex: 1 1 240px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button, .text-btn, .file-btn {
  border: 1px solid var(--line);
  background: transparent;
  padding: 6px 10px;
  color: var(--soft);
}
.chips button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.solid, .login-card button, .mini-form button[type="submit"] {
  border: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
}
.danger { border: 1px solid var(--cinnabar); background: transparent; color: var(--cinnabar); padding: 10px 16px; }
.more-row { display: flex; justify-content: center; padding: 12px 0 28px; }

.card, .album, .quote, .chapter, .atlas circle { cursor: pointer; }
.card {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 14px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  background: transparent;
  width: 100%;
  text-align: left;
}
.card time { font-family: var(--serif); color: var(--copper); font-size: 14px; white-space: nowrap; }
.card-kicker { color: var(--faint); font-size: 12px; letter-spacing: 0.08em; }
.card p { margin: 6px 0 0; white-space: pre-wrap; }
.place { display: inline-block; margin-top: 8px; color: var(--moss); font-size: 13px; text-decoration: none; }
.grid {
  display: grid;
  gap: 4px;
  margin-top: 12px;
}
.grid.n1 { grid-template-columns: minmax(0, 520px); }
.grid.n2, .grid.n4 { grid-template-columns: repeat(2, minmax(0, 220px)); }
.grid.n3, .grid.n5, .grid.n6, .grid.n7, .grid.n8, .grid.n9 { grid-template-columns: repeat(3, minmax(0, 180px)); }
.grid img, .grid video {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: #e5dccb;
  display: block;
}
.grid.n1 img, .grid.n1 video { aspect-ratio: 4 / 3; max-height: 460px; }
.chip {
  display: inline-block;
  margin-top: 8px;
  margin-right: 8px;
  font-size: 13px;
  color: var(--copper);
}
.year-mark {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin: 36px 0 0;
}
.year-mark span {
  font-family: var(--serif);
  font-size: 48px;
  letter-spacing: -0.03em;
}
.year-mark i { flex: 1; height: 1px; background: var(--line); }

.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px;
}
.album {
  position: relative;
  min-height: 280px;
  padding: 0;
  border: 0;
  background: #d9cbb8;
  color: white;
  text-align: left;
  overflow: hidden;
}
.album img { width: 100%; height: 280px; object-fit: cover; display: block; }
.album div {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 36px 12px 12px;
  background: linear-gradient(transparent, rgba(16, 10, 8, 0.78));
}
.album strong { display: block; font-family: var(--serif); font-size: 20px; letter-spacing: 0.04em; }
.album span { font-size: 12px; opacity: 0.84; }
.album.placeholder { display: grid; place-items: end start; padding: 12px; background: var(--moss); min-height: 180px; }

.atlas { background: #12100e; color: #f3eadc; padding: 16px 12px 8px; }
.atlas svg { width: 100%; height: auto; display: block; }
.atlas-note { margin: 8px 8px 4px; color: rgba(243, 234, 220, 0.7); font-size: 13px; }
.atlas .ocean { fill: #12100e; }
.atlas .graticule { stroke: rgba(243, 234, 220, 0.08); stroke-width: 0.6; }
.atlas .land { fill: #3f4c3c; stroke: rgba(214, 196, 170, 0.35); stroke-width: 0.7; }
.atlas .borders { fill: none; stroke: rgba(243, 234, 220, 0.28); stroke-width: 0.45; pointer-events: none; }
.atlas .route { fill: none; stroke: rgba(228, 183, 162, 0.7); stroke-width: 1; pointer-events: none; }
.atlas circle { stroke: #1a1612; stroke-width: 0.7; }
.atlas text {
  font-family: var(--sans);
  font-size: 11px;
  fill: #f6efe4;
  stroke: rgba(18, 16, 14, 0.9);
  stroke-width: 3px;
  paint-order: stroke;
  pointer-events: none;
}
@media (max-width: 720px) {
  .atlas text { display: none; }
}
.colophon {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 28px 48px;
  color: var(--faint);
  font-size: 13px;
}
.colophon a { color: var(--copper); }

.viewer, .lightbox {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(18, 13, 10, 0.72);
}
.viewer { overflow: auto; padding: 32px 16px; }
.viewer-sheet {
  width: min(920px, 100%);
  margin: 0 auto;
  background: var(--paper-2);
  padding: 28px 22px 40px;
  position: relative;
}
.viewer-close, .lightbox-nav {
  border: 0;
  background: transparent;
  color: var(--ink);
}
.viewer-close { position: absolute; top: 12px; right: 12px; }
.viewer-sheet h3 { font-family: var(--serif); font-size: 32px; margin: 0 28px 8px 0; letter-spacing: 0.04em; }
.viewer-meta { color: var(--soft); font-size: 14px; }
.viewer-body { white-space: pre-wrap; font-size: 17px; }
.viewer-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; margin-top: 16px; }
.viewer-grid img, .viewer-grid video { width: 100%; aspect-ratio: 1; object-fit: cover; background: #e7dccb; }
.lightbox { z-index: 60; display: flex; align-items: center; justify-content: center; background: rgba(0, 0, 0, 0.92); }
.lightbox img { max-width: 92vw; max-height: 90vh; object-fit: contain; }
.lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); color: white; font-size: 48px; padding: 0 18px; }
.lightbox-nav.prev { left: 0; }
.lightbox-nav.next { right: 0; }
[hidden] { display: none !important; }

.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card, .edit-pane, .fold {
  background: var(--card);
  border: 1px solid var(--line);
}
.login-card { width: min(420px, 100%); padding: 32px 28px; display: grid; gap: 12px; }
.login-card h1 { margin: 8px 0 0; font-size: 36px; }
.login-card p { margin: 0; color: var(--soft); }
.form-error { min-height: 1.2em; color: var(--cinnabar); margin: 0; font-size: 14px; }
.form-error.ok { color: var(--moss); }
.admin-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 18px;
  padding: 18px 22px;
  align-items: start;
}
.list-pane, .edit-pane, .fold { padding: 16px; }
.fold { margin: 0 22px 16px; }
.fold summary { cursor: pointer; font-family: var(--serif); font-size: 22px; }
.entry {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.entry b { font-weight: 600; }
.entry small { display: block; color: var(--faint); }
.badges { display: flex; gap: 6px; margin-top: 4px; }
.badges i, .flag {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.04em;
  border: 1px solid var(--line);
  padding: 1px 6px;
  color: var(--soft);
}
.flag.on { color: var(--cinnabar); border-color: #e3b2ae; }
.entry-actions { display: flex; gap: 6px; align-items: start; }
.edit-pane label, .mini-form label, .login-card label { display: grid; gap: 6px; font-size: 13px; color: var(--soft); }
.edit-pane { display: grid; gap: 10px; position: sticky; top: 74px; }
#editForm { display: grid; gap: 10px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.check { grid-template-columns: auto 1fr; align-items: center; }
.media-box { border-top: 1px solid var(--line); padding-top: 10px; }
.media-head, .edit-head, .edit-actions, .path-add, .admin-actions { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.media-item { display: grid; grid-template-columns: 54px 1fr auto; gap: 8px; align-items: center; margin-top: 8px; }
.media-item img, .media-item video { width: 54px; height: 54px; object-fit: cover; background: #e6dccb; }
.media-item p { margin: 0; font-size: 12px; color: var(--soft); word-break: break-all; }
.chapter-row { display: grid; gap: 8px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.mini-form { display: grid; gap: 10px; margin-top: 16px; }
.empty, .empty-edit { color: var(--faint); }

@media (max-width: 980px) {
  .hero, .chapter-grid, .admin-layout { grid-template-columns: 1fr; }
  .hero-copy { padding: 18vh 22px 18px; }
  .toc { padding: 0 22px 12px; }
  .hero-stats { padding: 16px 22px 22px; flex-wrap: wrap; }
  .card { grid-template-columns: 1fr; gap: 4px; }
  .edit-pane { position: static; }
  .edit-pane.is-open {
    position: fixed;
    inset: 0;
    z-index: 30;
    overflow: auto;
    background: var(--paper);
  }
  .nav { padding: 12px 16px; }
  .nav-links { gap: 10px; font-size: 13px; }
}