:root {
  --bg: #f3f0e8;
  --paper: #fffdf8;
  --ink: #1d1a16;
  --muted: #4e4942;
  --line: #e3d8c8;
  --teal: #0e6b66;
  --teal-dark: #083f3c;
  --sand: #f6efe3;
  --amber: #7a4e0d;
  --amber-bg: #fbf4e6;
  --shadow: 0 1px 0 rgba(40, 32, 20, 0.04);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  font-size: 1.05rem;
  line-height: 1.7;
}
a { color: var(--teal-dark); text-underline-offset: 0.18em; }
a:hover { color: var(--teal); }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }
.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: white;
  padding: 0.5rem 0.8rem;
  z-index: 5;
}
.skip:focus { top: 0.5rem; }

.wrap { width: min(1080px, calc(100% - 2rem)); margin: 0 auto; }
.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 3;
}
.header-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1rem;
  padding: 0.75rem 0;
}
.brand { font-weight: 750; color: var(--ink); text-decoration: none; letter-spacing: -0.02em; }
.brand small { display: block; font-weight: 500; color: var(--muted); letter-spacing: 0; font-size: 0.78rem; }
.nav { display: flex; flex-wrap: wrap; gap: 0.35rem 0.9rem; }
.nav a { text-decoration: none; color: var(--ink); font-size: 0.95rem; }
.nav a[aria-current="page"] { color: var(--teal-dark); text-decoration: underline; }

main { padding: 1.4rem 0 3rem; }
.crumbs { color: var(--muted); font-size: 0.9rem; margin: 0 0 0.8rem; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.35rem; padding: 0; margin: 0; }
.crumbs li:not(:last-child)::after { content: "/"; margin-left: 0.35rem; color: #9a9184; }

h1 { font-size: clamp(1.7rem, 3vw, 2.35rem); line-height: 1.25; letter-spacing: -0.03em; margin: 0 0 0.6rem; }
h2 { font-size: 1.35rem; line-height: 1.35; margin: 2rem 0 0.6rem; letter-spacing: -0.02em; }
h3 { font-size: 1.08rem; margin: 1.3rem 0 0.4rem; }
p { margin: 0.6rem 0; }
.lede { font-size: 1.12rem; }

.answer {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 6px solid var(--teal);
  border-radius: 14px;
  padding: 0;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.answer .kicker {
  margin: 0;
  padding: 0.82rem 1.2rem;
  color: var(--teal-dark);
  background: #e9f4f2;
  border-bottom: 1px solid #cfe3df;
  font-weight: 750;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
}
.statline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 0;
  padding: 1rem 1.2rem;
}
.statline div {
  min-width: 0;
  padding: 0.82rem 0.9rem;
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.statline strong { display: block; font-size: clamp(1.6rem, 4vw, 2.15rem); letter-spacing: -0.03em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.statline span { display: block; margin-top: 0.35rem; color: var(--muted); font-size: 0.86rem; line-height: 1.45; }
.answer > p:not(.kicker):not(.source),
.answer-reading {
  max-width: 82ch;
  margin: 0;
  padding: 0.85rem 1.2rem 0;
}
.answer > p.lede { font-size: 1.05rem; font-weight: 600; }
.answer-reading + .source { margin-top: 0.9rem; }
.answer-label {
  margin: 0 0 0.45rem;
  color: var(--teal-dark);
  font-size: 0.85rem;
  font-weight: 750;
  letter-spacing: 0.08em;
}
.insight-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.insight-list li {
  position: relative;
  padding-left: 1rem;
  line-height: 1.62;
}
.insight-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: var(--teal);
}
.answer-note {
  margin: 0.75rem 0 0;
  padding: 0.72rem 0.8rem;
  background: #faf6ef;
  border-radius: 9px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.58;
}
.source {
  margin: 1rem 0 0;
  padding: 0.72rem 1.2rem 0.8rem;
  border-top: 1px solid var(--line);
  background: #faf7f0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}
.caveat {
  background: var(--amber-bg);
  border: 1px solid #ead7b4;
  color: #3f3424;
  border-radius: 12px;
  padding: 0.8rem 1rem;
  margin: 1rem 0;
}
.caveat strong { color: var(--amber); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.8rem; }
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  text-decoration: none;
  color: inherit;
  display: block;
}
.card:hover { border-color: #b7d4d1; }
.card strong { display: block; color: var(--teal-dark); margin-bottom: 0.2rem; }
.card span { color: var(--muted); font-size: 0.92rem; }

.figure {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.8rem 0.8rem 0.4rem;
  margin: 0.8rem 0 1rem;
}
.figure p { margin-top: 0.2rem; }
.chart, .map { width: 100%; height: auto; display: block; }
.spark { width: 9rem; height: 2rem; vertical-align: middle; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: 0.95rem; }
th, td { padding: 0.55rem 0.7rem; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
th:first-child, td:first-child { text-align: left; position: sticky; left: 0; background: var(--paper); }
th { color: var(--muted); font-weight: 650; background: #faf6ef; }
tr:last-child td { border-bottom: 0; }
tr.here td { background: #e7f4f2; }
caption { text-align: left; padding: 0.7rem 0.7rem 0.2rem; font-weight: 700; color: var(--ink); }

.search {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.6rem 0 1rem;
}
.search input[type="search"] {
  flex: 1 1 16rem;
  font: inherit;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid #cbbfaa;
  background: white;
}
.search-status { flex: 1 1 100%; margin: 0; min-height: 1.4em; color: var(--amber); font-size: 0.92rem; }
.search button, button.quiet {
  font: inherit;
  background: var(--teal-dark);
  color: white;
  border: 0;
  border-radius: 10px;
  padding: 0.65rem 0.95rem;
  cursor: pointer;
}
.years { display: flex; flex-wrap: wrap; gap: 0.35rem; padding: 0; margin: 0.4rem 0 0; list-style: none; }
.years a { display: inline-block; padding: 0.15rem 0.45rem; border-radius: 999px; background: var(--sand); text-decoration: none; }

.site-footer { border-top: 1px solid var(--line); background: #ebe4d6; padding: 1.4rem 0 2rem; color: var(--muted); font-size: 0.92rem; }
.site-footer .wrap { display: grid; gap: 0.8rem; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; }
.site-footer a { color: var(--ink); }

.map-legend { display: flex; align-items: center; gap: 0.5rem; color: var(--muted); font-size: 0.88rem; }
.legend-bar { width: 8rem; height: 0.7rem; border-radius: 99px; background: linear-gradient(90deg, #e5f3f1, #083f3c); }

@media (max-width: 640px) {
  .site-header { position: static; }
  th, td { padding: 0.45rem 0.5rem; }
  .statline strong { font-size: 1.7rem; }
  .statline { grid-template-columns: 1fr; padding: 0.8rem; }
  .chart .x-tick-mobile-hide { display: none; }
  .answer .kicker,
  .answer > p:not(.kicker):not(.source),
  .answer-reading,
  .source { padding-left: 0.9rem; padding-right: 0.9rem; }
}