:root {
  --paper: #f6f3ec;
  --paper-2: #efeade;
  --ink: #1c1b18;
  --ink-2: #4a4740;
  --ink-3: #7b766b;
  --line: #d9d2c3;
  --red: #a83a2c;
  --red-soft: #f3e3df;
  --teal: #205c57;
  --teal-soft: #e2ece9;
  --gold: #8a6a2f;
  --gold-soft: #f2ead7;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: min(1080px, 100% - 40px); margin: 0 auto; }

a { color: var(--teal); text-decoration: none; border-bottom: 1px solid rgba(32, 92, 87, .3); }
a:hover { border-bottom-color: var(--teal); }

/* ---------- header ---------- */
header.hero {
  padding: 64px 0 36px;
  border-bottom: 2px solid var(--ink);
  background:
    radial-gradient(circle at 88% 12%, rgba(168, 58, 44, .07), transparent 42%),
    radial-gradient(circle at 6% 90%, rgba(32, 92, 87, .06), transparent 40%);
}
.kicker {
  font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--red); font-weight: 700; margin: 0 0 14px;
}
h1 {
  font-family: "Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  font-size: clamp(30px, 5.4vw, 50px);
  line-height: 1.18; letter-spacing: -.01em; margin: 0 0 18px; font-weight: 700;
}
.lede { font-size: clamp(16px, 2.1vw, 19px); color: var(--ink-2); max-width: 44em; margin: 0 0 24px; }
.meta {
  display: flex; flex-wrap: wrap; gap: 8px 22px;
  font-size: 13px; color: var(--ink-3); border-top: 1px solid var(--line); padding-top: 16px;
}
.meta b { color: var(--ink-2); font-weight: 600; }

/* ---------- nav ---------- */
nav.toc {
  position: sticky; top: 0; z-index: 20;
  background: rgba(246, 243, 236, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
nav.toc .wrap { display: flex; gap: 4px; overflow-x: auto; padding: 0; scrollbar-width: none; }
nav.toc .wrap::-webkit-scrollbar { display: none; }
nav.toc a {
  flex: 0 0 auto; padding: 12px 12px; font-size: 13px; border: 0;
  color: var(--ink-2); border-bottom: 2px solid transparent; white-space: nowrap;
}
nav.toc a:hover { color: var(--ink); border-bottom-color: var(--red); }

/* ---------- sections ---------- */
section { padding: 52px 0 10px; border-bottom: 1px solid var(--line); }
section:last-of-type { border-bottom: 0; }
h2 {
  font-family: "Songti SC", "Noto Serif SC", Georgia, serif;
  font-size: clamp(23px, 3.2vw, 31px); line-height: 1.3; margin: 0 0 6px;
}
h2 .num { color: var(--red); font-size: .62em; margin-right: 10px; letter-spacing: .06em; }
.sub { color: var(--ink-3); font-size: 14px; margin: 0 0 26px; }
h3 { font-size: 17px; margin: 30px 0 10px; letter-spacing: .01em; }
p { margin: 0 0 16px; }

.callout {
  background: var(--paper-2); border-left: 3px solid var(--red);
  padding: 16px 18px; margin: 22px 0; font-size: 15px;
}
.callout strong { color: var(--red); }

/* ---------- flow ---------- */
.flow { display: flex; flex-wrap: wrap; align-items: stretch; gap: 10px; margin: 26px 0 8px; }
.flow .step {
  flex: 1 1 150px; background: #fff; border: 1px solid var(--line);
  border-top: 3px solid var(--teal); padding: 13px 14px; position: relative;
}
.flow .step.warn { border-top-color: var(--red); }
.flow .step .n { font-size: 11px; letter-spacing: .16em; color: var(--ink-3); }
.flow .step .t { font-weight: 700; font-size: 15px; margin: 3px 0 2px; }
.flow .step .d { font-size: 12.5px; color: var(--ink-2); line-height: 1.6; }
.flow .arrow { align-self: center; color: var(--ink-3); font-size: 14px; }

/* ---------- cards ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin: 22px 0; }
.card {
  background: #fff; border: 1px solid var(--line); padding: 18px 18px 16px;
}
.card .tag {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .08em;
  padding: 2px 8px; border-radius: 2px; margin-bottom: 10px;
}
.tag.l1, .tag.l2 { background: var(--teal-soft); color: var(--teal); }
.tag.l3, .tag.l4 { background: var(--gold-soft); color: var(--gold); }
.tag.l5 { background: var(--red-soft); color: var(--red); }
.card h4 { margin: 0 0 8px; font-size: 16px; }
.card ul { margin: 0; padding-left: 18px; font-size: 13.5px; color: var(--ink-2); }
.card li { margin-bottom: 4px; }
.card .why { font-size: 12.5px; color: var(--ink-3); border-top: 1px dashed var(--line); margin-top: 10px; padding-top: 8px; }

/* ---------- paths ---------- */
.paths { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin: 22px 0; }
.path { background: #fff; border: 1px solid var(--line); padding: 20px; }
.path .no { font-family: Georgia, serif; font-size: 34px; color: var(--line); line-height: 1; }
.path h4 { margin: 6px 0 10px; font-size: 17px; }
.path .row { font-size: 13.5px; margin-bottom: 8px; }
.path .row span { color: var(--ink-3); display: block; font-size: 11px; letter-spacing: .1em; }
.path.a { border-top: 3px solid var(--teal); }
.path.b { border-top: 3px solid var(--gold); }
.path.c { border-top: 3px solid var(--red); }

/* ---------- timeline ---------- */
.timeline { margin: 24px 0; border-left: 2px solid var(--line); padding-left: 22px; }
.timeline .item { position: relative; padding: 0 0 22px; }
.timeline .item::before {
  content: ""; position: absolute; left: -28px; top: 7px; width: 10px; height: 10px;
  background: var(--paper); border: 2px solid var(--red); border-radius: 50%;
}
.timeline .when { font-size: 12px; letter-spacing: .12em; color: var(--red); font-weight: 700; }
.timeline .what { font-weight: 700; margin: 2px 0 4px; }
.timeline .desc { font-size: 14px; color: var(--ink-2); }

/* ---------- tables ---------- */
.tablewrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; margin: 18px 0 30px; }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; min-width: 720px; }
thead th {
  background: var(--paper-2); text-align: left;
  font-size: 12px; letter-spacing: .06em; color: var(--ink-2);
  padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap;
}
tbody td { padding: 10px 12px; border-bottom: 1px solid #ebe5d9; vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #faf8f2; }
td.c { white-space: nowrap; }
td.code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12.5px; color: var(--ink-2); }
tr.province td {
  background: var(--paper-2); font-weight: 700; font-size: 14px; color: var(--ink);
  border-bottom: 1px solid var(--line);
}
tr.province .pct { font-weight: 400; font-size: 12.5px; color: var(--red); margin-left: 10px; }
tr.province .note { font-weight: 400; font-size: 12px; color: var(--ink-3); margin-left: 8px; }
.pill {
  display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 10px;
  border: 1px solid var(--line); color: var(--ink-2); background: var(--paper);
}
.pill.soe { border-color: #b9d3cf; background: var(--teal-soft); color: var(--teal); }
.pill.no { border-color: #e3c4bd; background: var(--red-soft); color: var(--red); }
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 8px 0 4px; }
.filters input[type=search] {
  flex: 1 1 220px; padding: 9px 12px; border: 1px solid var(--line);
  background: #fff; font-size: 14px; font-family: inherit; color: var(--ink);
}
.filters label { font-size: 13px; color: var(--ink-2); display: flex; align-items: center; gap: 6px; }
.filters .count { font-size: 12px; color: var(--ink-3); }

/* ---------- checklist ---------- */
.checklist { list-style: none; padding: 0; margin: 18px 0; display: grid; gap: 8px; }
.checklist li { background: #fff; border: 1px solid var(--line); padding: 11px 14px; font-size: 14px; }
.checklist input { margin-right: 10px; accent-color: var(--teal); }
.checklist li.done { color: var(--ink-3); text-decoration: line-through; text-decoration-color: var(--line); }

/* ---------- quotes ---------- */
blockquote {
  margin: 16px 0; padding: 10px 18px; border-left: 3px solid var(--gold);
  background: var(--gold-soft); font-size: 14.5px;
}
blockquote cite { display: block; font-style: normal; font-size: 12px; color: var(--ink-3); margin-top: 6px; }

/* ---------- footer ---------- */
footer { padding: 46px 0 70px; font-size: 13px; color: var(--ink-3); }
footer .box { border: 1px solid var(--line); background: var(--paper-2); padding: 20px 22px; }
footer strong { color: var(--ink-2); }
.foot-links { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 14px; }

@media (max-width: 640px) {
  .wrap { width: calc(100% - 28px); }
  .tablewrap { border: 0; background: transparent; }
  #poolTable { min-width: 0; }
  #poolTable thead { display: none; }
  #poolTable tbody tr[data-attr] {
    display: block; background: #fff; border: 1px solid var(--line);
    margin-bottom: 10px; padding: 10px 13px;
  }
  #poolTable tbody tr[data-attr]:hover { background: #fff; }
  #poolTable tbody tr[data-attr] td {
    display: flex; gap: 10px; border: 0; padding: 3px 0;
    font-size: 13.5px; line-height: 1.6;
  }
  #poolTable tbody tr[data-attr] td::before {
    content: attr(data-label); flex: 0 0 58px; color: var(--ink-3); font-size: 12px;
  }
  #poolTable tbody tr.province { display: block; margin-top: 20px; }
  #poolTable tbody tr.province td,
  #poolTable tbody tr.provnote td {
    display: block; background: transparent; border: 0; padding: 5px 0;
  }
  #poolTable tbody tr.province td { font-size: 15px; }
  #poolTable tbody tr.province .pct,
  #poolTable tbody tr.province .note { display: block; margin: 3px 0 0; }
  .filters input[type=search] { flex: 1 1 100%; }
  header.hero { padding: 40px 0 26px; }
  section { padding: 38px 0 6px; }
  .flow .arrow { display: none; }
  table { font-size: 12.5px; min-width: 640px; }
}