:root {
  --c-bg: #0f1115;
  --c-surface: #171a21;
  --c-elevated: #1e232d;
  --c-text: #e8eaed;
  --c-text-2: #a8b0bd;
  --c-text-3: #7a8494;
  --c-accent: #5b9fff;
  --c-line: #2a3140;
  --c-ok: #3ecf8e;
  --c-warn: #e6b84d;
  --c-info: #5b9fff;
  --c-success-bg: rgba(62, 207, 142, 0.12);
  --c-warn-bg: rgba(230, 184, 77, 0.12);
  --c-info-bg: rgba(91, 159, 255, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.55;
}

a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 3rem;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--c-line);
}

.topbar .crumb {
  color: var(--c-text-3);
  font-size: 0.9rem;
}

h1 {
  font-size: 1.65rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  line-height: 1.3;
}

.subtitle {
  color: var(--c-text-2);
  margin: 0 0 1.1rem;
  font-size: 0.98rem;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.tab-btn {
  appearance: none;
  border: 1px solid var(--c-line);
  background: transparent;
  color: var(--c-text-2);
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}

.tab-btn:hover { color: var(--c-text); background: var(--c-elevated); }
.tab-btn.is-active {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #0b1220;
  font-weight: 600;
}

.panel { display: none; }
.panel.is-active { display: block; }

.stack { display: flex; flex-direction: column; gap: 1.1rem; }
.row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.grid { display: grid; gap: 0.75rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

@media (max-width: 800px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
}

h2 {
  font-size: 1.15rem;
  margin: 0.2rem 0 0.55rem;
}

h3 {
  font-size: 1rem;
  margin: 0 0 0.4rem;
}

.muted { color: var(--c-text-2); font-size: 0.92rem; }
.tiny { color: var(--c-text-3); font-size: 0.85rem; }
.section-label {
  color: var(--c-text-3);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.callout {
  border: 1px solid var(--c-line);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  background: var(--c-info-bg);
}
.callout.warn { background: var(--c-warn-bg); }
.callout.ok { background: var(--c-success-bg); }
.callout strong { display: block; margin-bottom: 0.25rem; }

.card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: 10px;
  overflow: hidden;
}
.card-h {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--c-line);
  font-weight: 600;
  font-size: 0.95rem;
}
.card-b { padding: 0.85rem 0.9rem; }

.stat {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: 10px;
  padding: 0.85rem;
  text-align: left;
}
.stat .v {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--c-accent);
  font-variant-numeric: tabular-nums;
}
.stat .l { color: var(--c-text-3); font-size: 0.85rem; margin-top: 0.15rem; }

.pill {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--c-line);
  color: var(--c-text-2);
  white-space: nowrap;
}
.pill.ok { color: var(--c-ok); border-color: rgba(62, 207, 142, 0.45); }
.pill.info { color: var(--c-info); border-color: rgba(91, 159, 255, 0.45); }

.flow-n {
  color: var(--c-accent);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin-right: 0.35rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  border: 1px solid var(--c-line);
  padding: 0.45rem 0.6rem;
  text-align: left;
  vertical-align: top;
}
th { background: var(--c-elevated); color: var(--c-text-2); font-weight: 600; }
td { background: var(--c-surface); }

.catalog-list { display: flex; flex-direction: column; gap: 0.75rem; }
.catalog-item {
  display: block;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: 10px;
  padding: 0.95rem 1rem;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.catalog-item:hover {
  border-color: var(--c-accent);
  background: var(--c-elevated);
  text-decoration: none;
}
.catalog-item h3 { margin: 0 0 0.3rem; color: var(--c-text); }
.catalog-item p { margin: 0; color: var(--c-text-2); font-size: 0.92rem; }
.catalog-meta { margin-top: 0.45rem; color: var(--c-text-3); font-size: 0.82rem; }

.hr {
  height: 1px;
  background: var(--c-line);
  border: 0;
  margin: 0.75rem 0 1rem;
}