:root {
  color-scheme: dark;
  --bg: #071018;
  --card: #0e1a24;
  --fg: #e8f1f8;
  --muted: #8aa0b3;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #7dd3fc;
  --pink: #f9a8d4;
  --ok: #34d399;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(1200px 600px at 10% -10%, #123047 0%, var(--bg) 55%);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.5;
}

.dash {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 16px 72px;
}

h1,
h2 {
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 1.7rem;
  margin: 0.2rem 0 0.5rem;
}

h2 {
  font-size: 1.15rem;
  margin: 0 0 8px;
}

.eyebrow,
.muted,
.lede,
.meta,
p {
  color: var(--muted);
}

.lede {
  max-width: 46rem;
}

.meta {
  font-size: 0.88rem;
}

.alert {
  border: 1px solid rgba(251, 191, 36, 0.35);
  background: rgba(251, 191, 36, 0.08);
  color: #ffe9b0;
  border-radius: 12px;
  padding: 12px 14px;
}

.alert.ok {
  border-color: rgba(52, 211, 153, 0.35);
  background: rgba(52, 211, 153, 0.08);
  color: #bbf7d0;
}

.cards {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
  margin: 22px 0;
}

@media (min-width: 820px) {
  .cards {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent), var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 18px;
}

.card h2 {
  margin: 0.1rem 0 0;
  color: #fde68a;
}

.card.huangcancan h2 {
  color: var(--pink);
}

.card.anqi h2 {
  color: var(--accent);
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 14px 0 10px;
}

.stats div {
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 12px;
}

.stats dt {
  color: var(--muted);
  font-size: 0.8rem;
}

.stats dd {
  margin: 0;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  color: var(--fg);
}

.chart-block {
  margin: 8px 0 28px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 10px 0 8px;
}

.legend label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--fg);
  font-size: 0.86rem;
  cursor: pointer;
}

.legend label.emphasized {
  font-weight: 600;
}

.legend i {
  width: 14px;
  height: 3px;
  border-radius: 99px;
  display: inline-block;
}

.legend i.thick {
  height: 5px;
}

.chart-wrap {
  position: relative;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.18);
  padding: 8px 4px 4px;
}

#heat-chart {
  display: block;
  width: 100%;
  min-width: 640px;
  height: 280px;
}

.chart-tip {
  position: absolute;
  z-index: 2;
  min-width: 180px;
  max-width: 280px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0b1720;
  color: var(--fg);
  font-size: 0.8rem;
  pointer-events: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.chart-tip[hidden] {
  display: none;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  min-width: 720px;
}

th,
td {
  text-align: left;
  padding: 8px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-weight: 500;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  color: var(--accent);
}