:root {
  --bg: #0d1117;
  --bg-card: #161c26;
  --bg-raise: #1d2530;
  --line: #2a3441;
  --text: #dbe2ec;
  --text-dim: #8b98a9;
  --accent: #7c8cf8;
}
* { box-sizing: border-box; margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}
a { color: inherit; text-decoration: none; }
main { max-width: 1100px; margin: 0 auto; padding: 0 20px 60px; }

.site-head {
  display: flex; justify-content: space-between; align-items: center;
  max-width: 1100px; margin: 0 auto; padding: 18px 20px;
}
.logo { font-size: 22px; font-weight: 700; letter-spacing: -0.5px; }
.logo span { color: var(--accent); }
.site-head nav a { color: var(--text-dim); margin-left: 22px; font-size: 15px; }
.site-head nav a.on, .site-head nav a:hover { color: var(--text); }

.page-title { font-size: 26px; margin: 18px 0 6px; }
.page-sub { color: var(--text-dim); font-size: 14px; margin-bottom: 26px; max-width: 640px; }
h3 { margin: 26px 0 12px; font-size: 17px; }

.layout { display: grid; grid-template-columns: 1fr 210px; gap: 36px; }
@media (max-width: 800px) { .layout { grid-template-columns: 1fr; } }

.event-card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: 10px; padding: 18px 20px; margin-bottom: 16px;
}
.event-card h2 { font-size: 18px; line-height: 1.35; }
.event-card h2:hover { color: var(--accent); }
.teaser { color: var(--text-dim); font-size: 14px; margin-top: 10px; }
.meta { display: flex; gap: 16px; margin-top: 12px; font-size: 13px; color: var(--text-dim); }
.meta .more { margin-left: auto; color: var(--accent); }

.prism { display: flex; gap: 4px; margin-top: 12px; }
.prism .seg {
  flex: 1; text-align: center; font-size: 11px; font-weight: 600;
  padding: 4px 0; border-radius: 4px; color: #0d1117; cursor: default;
}
.prism .seg.off {
  background: transparent; border: 1px dashed var(--line); color: var(--line);
}
.prism.big .seg { padding: 7px 0; font-size: 12px; }

.velocity {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: 10px; padding: 14px 20px 16px; margin-bottom: 20px;
}
.velocity h3 { margin: 0 0 10px; font-size: 15px; color: #fb923c; }
.velocity-row { display: flex; gap: 14px; align-items: baseline; padding: 6px 0; }
.velocity-row + .velocity-row { border-top: 1px solid var(--line); }
.velocity-count {
  min-width: 66px; font-size: 17px; font-weight: 700; color: #fb923c;
  font-variant-numeric: tabular-nums;
}
.velocity-count small { display: block; font-size: 10px; font-weight: 400; color: var(--text-dim); }
.velocity-head { font-size: 14px; line-height: 1.35; }
.velocity-head small { display: block; font-size: 12px; color: var(--text-dim); margin-top: 1px; }
.velocity-row:hover .velocity-head { color: var(--accent); }

.widget {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px;
}
.blind-row { display: flex; gap: 9px; padding: 7px 0; align-items: flex-start; }
.blind-row + .blind-row { border-top: 1px solid var(--line); }
.blind-row .seg.small {
  flex: none; font-size: 10px; font-weight: 600; padding: 2px 6px;
  border-radius: 4px; border: 1px dashed var(--line); color: var(--text-dim);
  margin-top: 2px;
}
.blind-text { font-size: 12.5px; color: var(--text-dim); line-height: 1.45; }
.blind-text a { color: var(--text); }
.blind-text a:hover { color: var(--accent); }
.divide-row { display: block; padding: 8px 0; }
.divide-row + .divide-row { border-top: 1px solid var(--line); }
.divide-head { display: block; font-size: 13px; line-height: 1.4; }
.divide-row:hover .divide-head { color: var(--accent); }
.divide-pair { display: flex; gap: 6px; align-items: center; margin-top: 6px; flex-wrap: wrap; }
.divide-pair .vs { font-size: 11px; color: var(--text-dim); }

.rail h3 { margin-top: 18px; }
.ticker { display: block; border-bottom: 1px solid var(--line); padding: 10px 0; }
.ticker:hover .sym { color: var(--text); }
.ticker-head { display: flex; align-items: baseline; gap: 8px; font-size: 13px; }
.ticker .sym { color: var(--text-dim); flex: 1; }
.ticker .px { font-variant-numeric: tabular-nums; }
.delta.up { color: #34d399; } .delta.down { color: #f87171; }
.spark { width: 100%; height: 34px; margin-top: 4px; }
.rail-note { font-size: 12px; color: var(--text-dim); margin-top: 12px; }

.event-page h1 { font-size: 26px; margin: 10px 0 14px; max-width: 800px; }
.crumb { margin-top: 16px; font-size: 14px; color: var(--text-dim); }
.crumb a:hover { color: var(--text); }

.region-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px; margin-top: 18px;
}
.region-card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: 10px; padding: 16px 18px;
}
.region-card header { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.region-tag { font-size: 13px; font-weight: 700; letter-spacing: 0.3px; }
.chip { font-size: 12px; padding: 2px 9px; border-radius: 20px; }
.chip.radio { background: var(--bg-raise); color: var(--text-dim); }
.region-card h3 { font-size: 15px; margin: 10px 0 8px; line-height: 1.4; }
.region-card .summary { font-size: 13.5px; color: var(--text-dim); }

.axes { margin-top: 12px; }
.axis-row { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.axis-label { width: 88px; font-size: 12px; color: var(--text-dim); }
.axis-track {
  flex: 1; height: 7px; background: var(--bg-raise); border-radius: 4px; overflow: hidden;
}
.axis-track i { display: block; height: 100%; border-radius: 4px; }
.axis-val { width: 26px; font-size: 11px; color: var(--text-dim); text-align: right;
  font-variant-numeric: tabular-nums; }

.source-list { list-style: none; margin-top: 14px; border-top: 1px solid var(--line); }
.source-list li { padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.source-list a:hover { color: var(--accent); }
.source-list .src { display: block; font-size: 12px; color: var(--text-dim); margin-top: 2px; }

.trend { background: var(--bg-card); border: 1px solid var(--line);
  border-radius: 10px; padding: 16px 18px; }
.trend-chart { width: 100%; height: auto; }
.trend-chart .grid { stroke: var(--line); stroke-width: 0.5; }
.trend-legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 10px; font-size: 12px;
  color: var(--text-dim); }
.trend-legend i, .legend-item i {
  display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px;
}
.trend-days { display: flex; justify-content: space-between; font-size: 11px;
  color: var(--text-dim); margin-top: 4px; }
.n-note { font-size: 12px; color: var(--text-dim); margin-top: 10px; }

.about-page p { max-width: 680px; margin-bottom: 16px; color: var(--text-dim); }
.about-page p:first-of-type { color: var(--text); font-size: 18px; }

.market-page h1 {
  font-size: 26px; margin: 10px 0 8px;
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
}
.market-px { font-variant-numeric: tabular-nums; }
.market-page .delta { font-size: 15px; }
.market-chart { width: 100%; height: auto; }
.market-chart .grid { stroke: var(--line); stroke-width: 0.5; }
.market-chart .marker {
  fill: #fbbf24; stroke: var(--bg); stroke-width: 1.5; cursor: pointer;
}
.market-chart a:hover .marker { fill: #fff; }
.market-chart .axis-text { fill: var(--text-dim); font-size: 10px; }
.market-meta { margin-top: 10px; }

@media (max-width: 640px) {
  .prism { gap: 3px; }
  .prism .seg { font-size: 8.5px; padding: 3px 0; letter-spacing: -0.2px; }
  .prism.big .seg { font-size: 10px; padding: 5px 0; }
  .region-grid { grid-template-columns: 1fr; }
  .page-title, .event-page h1, .market-page h1 { font-size: 21px; }
  .event-card { padding: 14px 14px; }
  .meta { flex-wrap: wrap; gap: 10px; }
  .velocity-head { font-size: 13px; }
}

.site-foot {
  max-width: 1100px; margin: 0 auto; padding: 24px 20px 40px;
  border-top: 1px solid var(--line); color: var(--text-dim); font-size: 13px;
}
.legend { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 12px; }