:root {
  --bg: #efe8dc;
  --ink: #1c1916;
  --mute: #6a6358;
  --line: #ddd4c6;
  --paper: #fffdf8;
  --bar: #1c1b18;
  --bar-2: #2a2824;
  --cream: #f4efe6;
  --rust: #9a3b24;
  --rust-2: #f6ebe6;
  --ok: #2c4a38;
  --ok-2: #e7efe9;
  --warn: #8a2b2b;
  --warn-2: #f6e8e8;
  --brass: #7a5a22;
  --brass-2: #f4ead0;
  --max: 1200px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 15px;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--rust); }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { font-family: "Noto Serif SC", "Songti SC", serif; font-weight: 650; letter-spacing: -0.02em; }

.wrap { max-width: var(--max); margin: 0 auto; padding-left: 28px; padding-right: 28px; }
main { padding-bottom: 88px; min-height: 58vh; }
main.page { padding-top: 40px; padding-bottom: 88px; }

.top { background: var(--bar); color: var(--cream); }
.top-row { display: flex; align-items: center; gap: 24px; min-height: 68px; flex-wrap: nowrap; padding: 8px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; font-family: "Noto Serif SC", serif; font-size: 20px; font-weight: 700; color: var(--cream); letter-spacing: 0.01em; }
.brand:hover { color: #fff; }
.brand b { font-weight: 700; color: #e8c4b4; margin: 0 -0.18em; letter-spacing: 0; }
.brand .logo { display: block; width: 28px; height: 28px; flex: none; }
.nav { display: flex; gap: 22px; flex: 1; }
.nav a { color: #b8b0a4; font-size: 14px; }
.nav a.on, .nav a:hover { color: #fff; }
.actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.role { font-size: 12px; color: #9a9388; display: flex; gap: 6px; align-items: center; }
.role select {
  background: var(--bar-2);
  color: var(--cream);
  border: 1px solid #3d3a34;
  padding: 6px 8px;
}

select, input, textarea {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 9px 11px;
  border-radius: 2px;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 38px; padding: 0 16px; border: none;
  background: var(--cream); color: var(--bar); cursor: pointer;
  font-size: 14px;
}
.btn:hover { color: var(--bar); opacity: 0.92; }
.btn.ghost { background: transparent; color: var(--cream); border: 1px solid #5a564e; }
.btn.ghost:hover { color: #fff; }
.btn.accent { background: var(--rust); color: #fff8f5; }
.btn.ink { background: var(--ink); color: var(--cream); }
.page .btn.ghost { color: var(--ink); border-color: var(--line); }

.hero {
  background: var(--bar);
  color: var(--cream);
  padding: 56px 0 48px;
  margin-bottom: 8px;
}
.hero h1 { font-size: 42px; line-height: 1.18; margin: 0 0 14px; color: #fff; max-width: 14em; }
.hero .sub { color: #c9c1b4; max-width: 34em; margin: 0; font-size: 16px; }
.kicker { font-size: 12px; color: #9a9388; margin: 0 0 12px; letter-spacing: 0.06em; }
.page .kicker { color: var(--mute); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 32px; }
.door, .tile, .panel {
  display: block;
  padding: 22px 22px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
}
.hero .door { background: var(--bar-2); border-color: #3d3a34; color: var(--cream); }
.hero .door:hover { border-color: #6a6458; color: #fff; }
.hero .door h2 { color: #fff; }
.hero .door p { color: #b8b0a4; }
.grid3 .door {
  display: flex;
  flex-direction: column;
  min-height: 196px;
  padding: 0;
}
.door-main { display: block; padding: 22px 22px 8px; color: inherit; }
.door-main:hover { color: inherit; }
.door h2 { margin: 0 0 8px; font-size: 22px; }
.door p, .muted { margin: 0; color: var(--mute); font-size: 14px; }
.door:hover { border-color: #c9bba6; color: inherit; }
.door-main:hover h2 { color: var(--rust); }
.door .mark { font-size: 11px; color: var(--mute); letter-spacing: 0.1em; margin-bottom: 10px; }
.door-extra {
  display: block;
  margin-top: auto;
  padding: 12px 22px 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--mute);
}
a.door-extra { color: var(--rust); }
a.door-extra:hover { color: var(--ink); }

.section { margin-top: 40px; }
.section.boards { margin-top: 32px; }
.section h2 { font-size: 20px; margin: 0 0 14px; }
.row { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.row a { color: var(--mute); font-size: 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tile { min-height: 128px; }
.tile:hover { border-color: #c9bba6; }
.tile .mark { font-size: 11px; color: var(--mute); letter-spacing: 0.08em; margin-bottom: 10px; }
.tile .name { font-family: "Noto Serif SC", serif; font-size: 26px; line-height: 1; margin-bottom: 8px; }
.tile p { margin: 0; }

.post {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 18px;
  margin-bottom: 8px;
  background: var(--paper);
  border: 1px solid var(--line);
}
.post:hover { border-color: #c9bba6; color: inherit; }
.post .tags {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  width: 72px;
  flex: none;
}
.post .body { flex: 1; min-width: 0; }
.post strong { display: block; font-weight: 600; font-size: 16px; margin: 0 0 4px; }
.specs { color: var(--mute); font-size: 13px; }

.tag {
  display: inline-block;
  flex: none;
  font-size: 12px;
  padding: 2px 7px;
  margin: 0;
  background: #f0ebe1;
  color: #4a453c;
}
.tag.ops { background: var(--brass-2); color: var(--brass); }
.tag.warn { background: var(--warn-2); color: var(--warn); }

.filters {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 8px 0 20px; padding: 14px;
  background: var(--paper); border: 1px solid var(--line);
}
.filters select { min-width: 118px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 13px; color: var(--mute); }
.err { color: var(--warn); font-size: 13px; }
.check { display: flex; gap: 8px; align-items: flex-start; margin: 8px 0; font-size: 13px; }
.price { font-family: "Noto Serif SC", serif; font-size: 32px; margin: 6px 0 0; }

.lock, .contact, .warn, .note { margin-top: 12px; padding: 18px; font-size: 14px; }
.lock { background: var(--paper); border: 1px solid var(--line); }
.lock h3 { margin: 0 0 8px; font-size: 18px; }
.contact { background: var(--ok-2); border: 1px solid #c5d4cb; }
.warn { background: var(--warn-2); color: var(--warn); }
.note { background: var(--brass-2); }

.footer { background: var(--bar); color: #9a9388; padding: 32px 0 36px; font-size: 12px; line-height: 1.7; }
.footer p { margin: 0 0 8px; }
.footer p:last-child { margin-bottom: 0; }
.crumbs { color: var(--mute); font-size: 13px; margin: 0 0 18px; }
.hidden { display: none !important; }
.admin-nav { display: flex; gap: 20px; border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.admin-nav a { padding-bottom: 8px; color: var(--mute); }
.admin-nav a.on { color: var(--ink); border-bottom: 2px solid var(--ink); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 11px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--mute); font-weight: 500; }
.modal-back { position: fixed; inset: 0; background: rgba(28,25,22,.4); display: flex; align-items: center; justify-content: center; z-index: 40; padding: 20px; }
.modal { background: var(--paper); border: 1px solid var(--line); padding: 28px; max-width: 440px; width: 100%; }
ol.terms { color: var(--mute); padding-left: 1.2em; }
h1.page-title { font-size: 34px; margin: 0 0 10px; }
.sub { color: var(--mute); max-width: 36em; margin: 0 0 22px; }
.dl { display: grid; grid-template-columns: 88px 1fr; gap: 8px 12px; margin: 0; }
.dl dt { color: var(--mute); font-size: 13px; }
.dl dd { margin: 0; }

.post-head { margin: 0 0 4px; }
.post-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 10px; }
.post-page .page-title { margin: 0 0 8px; }
.post-page .crumbs { margin-bottom: 14px; }
.post-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.72fr);
  gap: 16px;
  align-items: start;
  margin-top: 22px;
}
.post-spec { padding: 0; overflow: hidden; }
.post-spec .dl {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 72px minmax(0, 1fr);
  gap: 0;
}
.post-spec .dl dt,
.post-spec .dl dd {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
}
.post-spec .dl dt { padding-right: 8px; }
.post-spec .dl dd { padding-left: 4px; }
.post-terms {
  padding: 12px 16px 14px;
  background: #f7f3ea;
  font-size: 13px;
  color: var(--mute);
}
.post-terms a { color: var(--mute); }
.post-terms a:hover { color: var(--rust); }
.post-side { padding: 0; overflow: hidden; }
.post-side-main { padding: 22px 22px 18px; }
.post-side .lock,
.post-side .contact {
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
}
.post-side .contact .dl {
  grid-template-columns: 52px 1fr;
  gap: 8px 10px;
  margin: 12px 0;
}
.post-side .contact .dl dd {
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
}
.post-side .warn {
  margin: 0;
  border: none;
  border-top: 1px solid #e8d0d0;
}

.quote-teaser { overflow-x: auto; }
.quote-teaser table, .quote-full { font-variant-numeric: tabular-nums; }
.quote-teaser th, .quote-full th { font-size: 12px; white-space: nowrap; }
.quote-teaser td, .quote-full td { font-size: 14px; white-space: nowrap; }
.quote-sheet { padding: 4px 16px 0; }
.quote-sheet table tr:last-child:not(.hidden) th,
.quote-sheet table tr:last-child:not(.hidden) td,
.quote-sheet table tr:not(.hidden):has(+ tr.hidden) th,
.quote-sheet table tr:not(.hidden):has(+ tr.hidden) td { border-bottom: none; }
.quote-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 12px 4px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--mute);
}
.quote-foot a { color: var(--rust); }
.q-mask { letter-spacing: 0.18em; color: var(--mute); }
.quote-note { font-size: 12px; color: var(--mute); margin: 8px 0 0; }
.chart-box { background: var(--paper); border: 1px solid var(--line); padding: 18px 16px 8px; margin-top: 16px; }
.quote-sheet .chart-box {
  margin: 0 -16px;
  border: none;
  border-top: 1px solid var(--line);
  padding: 16px 16px 10px;
}
.chart-box h3 { margin: 0 0 4px; font-size: 16px; }
.chart-box svg { width: 100%; height: 228px; display: block; }
.chart-box svg text { font-family: "Noto Sans SC", sans-serif; }
.hero .split3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 32px; }
.hero .split3 .door h2 { font-size: 18px; }
.hero-board {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, 0.85fr);
  gap: 12px;
  margin-top: 28px;
  align-items: stretch;
}
.hero-quote {
  background: var(--bar-2);
  border: 1px solid #3d3a34;
  padding: 2px 8px 0;
  overflow-x: auto;
}
.hero-chart {
  background: var(--bar-2);
  border: 1px solid #3d3a34;
  padding: 12px 12px 10px;
  min-width: 0;
}
.hero-chart .chart-kicker {
  margin: 0 0 6px;
  font-size: 12px;
  color: #8a8378;
  letter-spacing: 0.04em;
}
.hero-chart svg { width: 100%; height: 168px; display: block; }
.hero-chart .chart-note { margin: 0; font-size: 11px; color: #6a6458; }
.hero-quote table { font-variant-numeric: tabular-nums; }
.hero-quote table th,
.hero-quote table td {
  border-bottom-color: #3d3a34;
  color: #d4ccc0;
  white-space: nowrap;
  padding: 12px 10px;
}
.hero-quote tr:last-child th,
.hero-quote tr:last-child td { border-bottom: none; }
.hero-quote th { color: #8a8378; font-size: 12px; font-weight: 500; }
.hero-quote td:first-child { color: #fff; font-weight: 600; }
.hero-quote .q-mask { color: #6a6458; }
th.q, td.q { text-align: right; }
.slash { color: #8a8378; }
.hero-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-top: 14px;
  font-size: 13px;
  color: #9a9388;
}
.hero-meta a { color: #e8c4b4; }
.hero-meta a:hover { color: #fff; }
.join-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 16px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
}
.join-bar h2 { margin: 0 0 4px; font-size: 18px; }
.join-bar .muted { font-size: 13px; }

@media (max-width: 800px) {
  .hero h1, h1.page-title { font-size: 28px; }
  .hero { padding: 40px 0 36px; }
  .split, .grid3, .grid4, .grid2, .hero .split3, .hero-board, .post-layout { grid-template-columns: 1fr; }
  .post-spec .dl { grid-template-columns: 88px 1fr; }
  .grid3 .door { min-height: 0; }
  .join-bar { flex-direction: column; align-items: flex-start; }
  .nav { width: 100%; }
  .top-row { flex-wrap: wrap; }
  .post .tags { width: 64px; }
}

.docs-on { background: var(--bg); }
.docs {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 176px;
  gap: 0;
  max-width: var(--max);
  margin: 0 auto;
  min-height: 68vh;
  padding: 0 28px;
}
.docs-side {
  position: sticky;
  top: 0;
  align-self: start;
  padding: 28px 16px 48px 0;
  border-right: 1px solid var(--line);
  min-height: 68vh;
}
.docs-side-title {
  margin: 0 0 14px;
  font-size: 12px;
  color: var(--mute);
  letter-spacing: 0.08em;
}
.docs-search {
  width: 100%;
  margin-bottom: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 8px 10px;
  font-size: 13px;
}
.docs-group {
  margin: 18px 0 8px;
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.08em;
}
.docs-nav a {
  display: block;
  padding: 6px 8px;
  margin: 0 0 2px;
  font-size: 13px;
  color: var(--ink);
  border-left: 2px solid transparent;
}
.docs-nav a:hover { color: var(--rust); }
.docs-nav a.on {
  color: var(--rust);
  background: var(--rust-2);
  border-left-color: var(--rust);
}
.docs-main { padding: 36px 40px 88px; max-width: 720px; }
.docs-page > h1 { font-size: 34px; margin: 0 0 12px; }
.docs-lead { font-size: 16px; color: var(--mute); margin: 0 0 22px; max-width: 36em; }
.docs-crumb { font-size: 12px; color: var(--mute); margin: 0 0 16px; }
.docs-page > h2 { font-size: 20px; margin: 32px 0 10px; }
.docs-page > p { margin: 0 0 12px; max-width: 38em; }
.docs-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 8px 0 18px;
}
.docs-cards.cols3 { grid-template-columns: repeat(3, 1fr); }
.docs-card {
  display: block;
  padding: 16px 16px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  color: inherit;
}
.docs-card:hover { border-color: #c9bba6; color: inherit; }
.docs-card strong {
  display: block;
  font-family: "Noto Serif SC", serif;
  font-size: 17px;
  margin-bottom: 6px;
}
.docs-card span { display: block; font-size: 13px; color: var(--mute); }
.docs-steps { color: var(--ink); padding-left: 1.2em; margin: 0 0 20px; }
.docs-steps li { margin: 0 0 10px; }
.docs-next { margin-top: 28px; }
.docs-next a { color: var(--rust); font-size: 14px; }
.docs-toc {
  position: sticky;
  top: 0;
  align-self: start;
  padding: 36px 0 48px 18px;
  border-left: 1px solid var(--line);
}
.docs-toc-title {
  margin: 0 0 10px;
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.08em;
}
.docs-toc a {
  display: block;
  font-size: 13px;
  color: var(--mute);
  padding: 4px 0;
}
.docs-toc a:hover { color: var(--rust); }
.docs-on .footer { margin-top: 0; }

@media (max-width: 980px) {
  .docs { grid-template-columns: 200px minmax(0, 1fr); }
  .docs-toc { display: none; }
  .docs-main { padding: 28px 20px 80px; }
}
@media (max-width: 720px) {
  .docs { grid-template-columns: 1fr; padding: 0 16px; }
  .docs-side {
    position: relative;
    min-height: 0;
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 20px 0 16px;
  }
  .docs-cards, .docs-cards.cols3 { grid-template-columns: 1fr; }
}