:root {
  color-scheme: dark;
  font-family: system-ui, "Microsoft YaHei", sans-serif;
  background: #111518;
  color: #e9eeea;
  --muted: #aab8b4;
  --line: #343f40;
  --accent: #b9f6bd;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: var(--accent); text-underline-offset: .24em; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.shell { width: min(1080px, calc(100% - 40px)); margin-inline: auto; }
.masthead { border-bottom: 1px solid var(--line); }
.bar { display: flex; justify-content: space-between; align-items: center; min-height: 68px; gap: 18px; }
.brand { font-weight: 750; color: #e9eeea; text-decoration: none; }
.brand span, .eyebrow, .symbol, .metrics b, .meta b { font-family: ui-monospace, Consolas, monospace; }
.brand span { color: var(--muted); font-size: .74rem; }
nav { display: flex; gap: 16px; font-size: .88rem; }
.hero { margin: 36px 0 16px; padding: clamp(22px, 5vw, 54px); border: 1px solid var(--line);
  background: radial-gradient(ellipse at 95% 0%, #28433b, transparent 70%), #1a2124; }
.eyebrow { color: var(--accent); letter-spacing: .1em; font-size: .84rem; }
h1 { margin: 12px 0 8px; font-size: clamp(2rem, 5vw, 3.8rem); line-height: 1.15; }
p { line-height: 1.65; }
.hero p, .hint { color: var(--muted); }
.meta { display: flex; flex-wrap: wrap; gap: 12px 24px; font-size: .85rem; margin-top: 23px; color: var(--muted); }
.meta b { color: #e9eeea; padding-left: .3rem; }
.banner { padding: 10px 14px; border: 1px solid var(--line); color: var(--muted); margin: 12px 0; }
.banner.stale { border-color: #a77849; color: #ffd19e; }
.counts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; }
.counts a { min-height: 92px; border: 1px solid var(--line); background: #1a2124;
  display: flex; flex-direction: column; padding: 12px 14px; text-decoration: none; color: #e9eeea; }
.counts strong { font-size: 1.7rem; color: var(--accent); }
.signal-section { padding: 27px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 14px; }
h2 { margin: 0; font-size: 1.35rem; }
.hint { margin: 6px 0 12px; font-size: .9rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 285px), 1fr)); gap: 10px; }
.card, .empty { border: 1px solid var(--line); background: #1a2124; padding: 12px 14px; margin: 0; }
.card { border-left: 3px solid var(--accent); }
.near .card { border-left-color: #87cce0; }
.top .card { border-left-color: #ffad9d; }
.suspect .card { border-left-color: #eacc81; }
.cardhead { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.symbol { font-size: 1.05rem; font-weight: 750; }
.card p { margin: 7px 0; }
.metrics, .empty { color: var(--muted); font-size: .85rem; }
.metrics { display: flex; flex-wrap: wrap; gap: 5px 14px; }
.coverage { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; align-items: start; }
details { border: 1px solid var(--line); background: #1a2124; scroll-margin-top: 14px; }
summary { cursor: pointer; padding: 10px 12px; }
summary span { color: var(--muted); margin-left: 10px; font-size: .85rem; }
details div { padding: 0 12px 8px; font-size: .9rem; }
details ul { padding-left: 1.2rem; }
.archive { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; }
.foot { padding: 16px 0 28px; color: var(--muted); font-size: .83rem; }
@media (max-width: 650px) {
  .shell { width: calc(100% - 24px); }
  .counts { grid-template-columns: 1fr 1fr; }
  .coverage { grid-template-columns: 1fr; }
  .brand span { display: none; }
}