:root {
  --paper: #f3ead7;
  --paper-2: #faf6ee;
  --ink: #241910;
  --ink-soft: #5c4d3f;
  --cinnabar: #9c2f22;
  --cinnabar-deep: #742116;
  --gold: #8d6a32;
  --line: rgba(120, 86, 42, 0.28);
  --shadow: 0 18px 40px rgba(70, 42, 18, 0.06);
  --serif: "Songti SC", "STSong", "SimSun", "Noto Serif SC", "Source Han Serif SC", "PMingLiU", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.75;
  background:
    radial-gradient(ellipse at top, rgba(255, 252, 246, 0.9), transparent 46%),
    repeating-linear-gradient(0deg, rgba(120, 78, 32, 0.035) 0 1px, transparent 1px 8px),
    var(--paper);
}
body::before {
  content: "";
  display: block;
  height: 8px;
  background:
    linear-gradient(var(--cinnabar), var(--cinnabar)) center/100% 2px no-repeat,
    linear-gradient(var(--gold), var(--gold)) center bottom/100% 1px no-repeat;
}
a { color: inherit; }
img { max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; font-size: 16px; }
.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
.skip {
  position: absolute;
  left: 12px;
  top: 12px;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip:focus {
  width: auto;
  height: auto;
  margin: 0;
  padding: 8px 14px;
  overflow: visible;
  clip: auto;
  z-index: 30;
  background: #fffaf4;
  color: var(--cinnabar-deep);
  border: 1px solid var(--cinnabar);
  text-decoration: none;
  letter-spacing: 0.12em;
  box-shadow: var(--shadow);
}

.ribbon {
  text-align: center;
  letter-spacing: 0.22em;
  font-size: 12px;
  color: var(--cinnabar-deep);
  padding: 8px 16px 0;
}

.mast { padding: 22px 0 0; }
.mast-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  min-width: 0;
}
.seal {
  width: 64px;
  height: 64px;
  flex: none;
  display: grid;
  place-items: center;
  background: var(--cinnabar);
  color: #fff8ef;
  font-size: 32px;
  border: 2px solid #f4e2c4;
  outline: 1px solid var(--cinnabar);
  outline-offset: 3px;
  transform: rotate(-8deg);
  box-shadow: 0 10px 18px rgba(122, 32, 20, 0.16);
}
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-kicker { color: var(--gold); letter-spacing: 0.28em; font-size: 12px; }
.brand-name { font-size: clamp(1.7rem, 3vw, 2.35rem); line-height: 1.15; letter-spacing: 0.08em; }
.brand-sub { color: var(--ink-soft); font-size: 13px; letter-spacing: 0.08em; }

.search { display: flex; gap: 8px; width: min(360px, 100%); }
.search input, .post-form input, .post-form select, .post-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.9);
  color: var(--ink);
  border-radius: 2px;
  padding: 10px 12px;
}
.search button, .post-form button, .pager a, .tile {
  transition: border-color 0.15s ease, background 0.15s ease;
}
.search button, .post-form button {
  border: 1px solid var(--cinnabar-deep);
  background: var(--cinnabar);
  color: #fffaf4;
  letter-spacing: 0.18em;
  padding: 0 18px;
  cursor: pointer;
  white-space: nowrap;
  flex: none;
}
.search button:hover, .post-form button:hover { background: var(--cinnabar-deep); }
.search input:focus, .post-form input:focus, .post-form select:focus, .post-form textarea:focus, .nav a:focus-visible, .index-list a:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.nav { position: relative; margin-top: 18px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.nav-btn {
  display: none;
  min-height: 44px;
  align-items: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
.nav ul { display: flex; flex-wrap: wrap; gap: 6px 18px; list-style: none; margin: 0; padding: 10px 0; }
.nav a { text-decoration: none; letter-spacing: 0.12em; color: var(--ink-soft); }
.nav a[aria-current="page"], .nav a:hover { color: var(--cinnabar-deep); }

.hero { display: grid; grid-template-columns: auto 1fr; gap: 22px; padding: 42px 0 10px; }
.vlabel {
  writing-mode: vertical-rl;
  letter-spacing: 0.45em;
  color: var(--cinnabar);
  border-left: 1px solid rgba(156, 47, 34, 0.45);
  padding-left: 10px;
  margin: 6px 0;
}
.eyebrow { margin: 0; letter-spacing: 0.32em; color: var(--gold); font-size: 13px; }
.hero h1, .sheet h1 { font-weight: 600; letter-spacing: 0.04em; line-height: 1.3; margin: 8px 0 10px; }
.hero h1 { font-size: clamp(2rem, 4vw, 3.15rem); max-width: 9em; }
.lead { color: var(--ink-soft); max-width: 40em; margin-top: 0; }
.sec { font-size: 1.25rem; font-weight: 600; letter-spacing: 0.16em; margin: 0 0 14px; }
.sec::before { content: ""; display: inline-block; width: 18px; height: 1px; background: var(--cinnabar); margin-right: 10px; vertical-align: middle; }

.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 22px 0 8px; }
.tile {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 118px;
  text-decoration: none;
  background: rgba(255, 251, 244, 0.72);
  border: 1px solid var(--line);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow);
}
.tile:hover { border-color: var(--cinnabar); }
.tile-name { font-size: 1.15rem; letter-spacing: 0.12em; }
.tile-blurb { color: var(--ink-soft); font-size: 14px; }
.tile-count { margin-top: auto; color: var(--cinnabar); letter-spacing: 0.08em; font-size: 13px; }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; padding: 26px 0 10px; align-items: start; }
.index-list { list-style: none; margin: 0; padding: 0; }
.index-list li + li { border-top: 1px solid var(--line); }
.index-list a { display: grid; grid-template-columns: 42px minmax(0, 1fr); column-gap: 8px; text-decoration: none; padding: 14px 2px; }
.index-list .idx { color: var(--cinnabar); letter-spacing: 0.08em; grid-row: span 3; padding-top: 4px; }
.index-list .t { font-size: 1.12rem; letter-spacing: 0.03em; }
.index-list .d { color: var(--ink-soft); font-size: 14px; }
.index-list .m { color: var(--gold); font-size: 13px; letter-spacing: 0.04em; }
.index-list a:hover .t { color: var(--cinnabar-deep); }
.side { display: grid; gap: 14px; }
.panel { background: rgba(255, 251, 244, 0.78); border: 1px solid var(--line); padding: 16px 16px 8px; }
.panel h2 { margin: 0 0 8px; font-size: 1rem; letter-spacing: 0.16em; font-weight: 600; }
.hot { margin: 0; padding-left: 1.2em; }
.hot li { margin: 0 0 8px; }
.hot a { text-decoration: none; }
.hot a:hover { color: var(--cinnabar-deep); }
.note p { margin-top: 0; color: var(--ink-soft); }

.pager { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 8px 0 20px; }
.pager a, .pager span {
  min-width: 36px;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 0 10px;
  background: rgba(255, 251, 244, 0.7);
}
.pager span[aria-current="page"] { background: var(--cinnabar); color: #fffaf4; border-color: var(--cinnabar); }

.sheet { padding: 34px 0 20px; max-width: 860px; }
.sheet-list { max-width: none; }
.crumb { color: var(--ink-soft); letter-spacing: 0.06em; margin-bottom: 0; }
.crumb a { color: var(--cinnabar-deep); }
.meta { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--gold); letter-spacing: 0.06em; font-size: 14px; }
.prose { font-size: 1.05rem; line-height: 2; }
.prose p { margin: 0 0 0.9rem; }
.prose p:empty { display: none; }
.prose h2, .prose h3, .prose h4 { color: var(--cinnabar-deep); line-height: 1.45; font-weight: 600; margin: 1.5rem 0 0.6rem; }
.prose img, .prose figure { display: block; margin: 1rem auto; background: #fff; padding: 6px; border: 1px solid var(--line); }
.prose a { color: var(--cinnabar-deep); }
.warn, .done, .empty, .form-error, .fine { border: 1px solid var(--line); background: rgba(255, 251, 244, 0.8); padding: 12px 14px; }
.warn { margin: 8px 0 20px; }
.warn strong { color: var(--cinnabar); letter-spacing: 0.14em; }
.warn p, .done, .empty { margin: 6px 0 0; }
.jump { display: grid; gap: 10px; margin: 10px 0 24px; }
.jump a { display: flex; flex-direction: column; text-decoration: none; border-top: 1px solid var(--line); padding-top: 8px; }
.jump small { color: var(--gold); letter-spacing: 0.16em; }
.related { padding-bottom: 20px; }
.search-page { margin: 8px 0; }
.fine { color: var(--ink-soft); font-size: 14px; }
.post-form { display: grid; gap: 12px; margin: 12px 0 28px; }
.post-form label { display: grid; gap: 6px; }
.hp { position: absolute; left: -10000px; height: 1px; width: 1px; overflow: hidden; }
.form-error { color: var(--cinnabar-deep); }
.done { color: var(--cinnabar-deep); }

.foot { margin-top: 20px; padding: 28px 0 40px; border-top: 1px solid var(--line); color: var(--ink-soft); }
.foot-mark { letter-spacing: 0.2em; color: var(--ink); margin-bottom: 6px; }
.foot-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.foot-meta a { color: var(--cinnabar-deep); }
.foot-host { letter-spacing: 0.08em; font-size: 14px; }
mark { background: #f3d7a1; color: inherit; padding: 0 0.12em; }

@media (max-width: 860px) {
  .mast-row, .hero, .layout, .cat-grid { display: block; }
  .search { width: 100%; margin-top: 16px; }
  .search button { min-width: 84px; }
  .vlabel { display: none; }
  .hero { padding-top: 26px; }
  .cat-grid { display: grid; grid-template-columns: 1fr 1fr; }
  .side { margin-top: 8px; }
  .nav-btn { display: flex; }
  .nav ul { display: none; padding-bottom: 12px; }
  .nav-toggle:checked ~ ul { display: grid; }
  .nav-toggle:checked ~ ul a { display: flex; min-height: 44px; align-items: center; }
}
@media (max-width: 560px) {
  .cat-grid { grid-template-columns: 1fr; }
  .brand-sub { display: none; }
  .index-list a { grid-template-columns: 36px minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .search button, .post-form button, .tile { transition: none; }
}
@media print {
  .ribbon, .search, .nav, .side, .foot, .jump, .related { display: none; }
  body { background: #fff; }
  .sheet { max-width: none; }
}