:root {
  --db-bg: #f6f3ee;
  --db-ink: #1c1917;
  --db-muted: #78716c;
  --db-line: #e7e0d6;
  --db-panel: #fffcf8;
  --db-accent: #0f4c5c;
  --db-accent-2: #c1492f;
  --db-soft: rgba(15, 76, 92, 0.08);
  --db-up: #b42318;
  --db-down: #027a48;
  --db-font: "Noto Sans SC", "PingFang SC", sans-serif;
  --db-num: "Noto Sans SC", "PingFang SC", sans-serif;
}

/* 独立页背景，不影响城市KPI页 */
body:not(.kpi-page) {
  margin: 0;
  min-height: 100%;
  font-family: var(--db-font);
  color: var(--db-ink);
  background: var(--db-bg);
  line-height: 1.45;
}

.bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 50% 35% at 10% 0%, rgba(15, 76, 92, 0.1), transparent 60%),
    radial-gradient(ellipse 40% 30% at 100% 10%, rgba(193, 73, 47, 0.08), transparent 55%);
  z-index: 0;
}

.daibu-root {
  position: relative;
  z-index: 1;
  color: var(--db-ink);
  font-family: var(--db-font);
  line-height: 1.45;
}

.daibu-root .hero,
.daibu-root .scopes,
.daibu-root .db-main,
.daibu-root .db-footer,
.daibu-root > footer {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

.daibu-root .hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  padding: 1.75rem 0 1.1rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--db-line);
  margin-bottom: 1.1rem;
}
.daibu-root .brand {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--db-accent);
}
.daibu-root .formula {
  margin: 0.35rem 0 0;
  color: var(--db-muted);
  font-size: 0.9rem;
}
.daibu-root .hero-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.daibu-root .db-export {
  appearance: none;
  border: 1px solid var(--db-accent);
  background: var(--db-accent);
  color: #fff;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  cursor: pointer;
}
.daibu-root .db-export:hover {
  filter: brightness(1.06);
}
.daibu-root .db-export:disabled {
  opacity: 0.6;
  cursor: wait;
}
.daibu-root .detail-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.35rem;
}
.daibu-root .detail-head h2 { margin: 0; }
.daibu-root .db-export-inline {
  background: transparent;
  color: var(--db-accent);
}
.daibu-root table.trend.detail tr.is-active td {
  background: var(--db-soft);
}
.daibu-root table.trend.detail tbody tr {
  cursor: pointer;
}
.daibu-root .date-pick {
  display: grid;
  gap: 0.2rem;
  font-size: 0.75rem;
  color: var(--db-muted);
}
.daibu-root .date-pick select {
  min-width: 150px;
  height: 36px;
  border: 1px solid var(--db-line);
  border-radius: 10px;
  padding: 0 0.65rem;
  background: var(--db-panel);
  color: var(--db-ink);
  font: inherit;
}
.daibu-root .meta {
  margin: 0;
  color: var(--db-muted);
  font-size: 0.82rem;
}

.daibu-root .scopes {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.daibu-root .scopes button {
  border: 1px solid var(--db-line);
  background: var(--db-panel);
  color: var(--db-ink);
  border-radius: 999px;
  padding: 0.42rem 1rem;
  font: inherit;
  font-size: 0.88rem;
  cursor: pointer;
}
.daibu-root .scopes button.active {
  background: var(--db-accent);
  border-color: var(--db-accent);
  color: #fff;
}

.daibu-root .db-main {
  display: grid;
  gap: 0.9rem;
  padding-bottom: 2rem;
}

.daibu-root .kpi-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}
.daibu-root .kpi {
  background: var(--db-panel);
  border: 1px solid var(--db-line);
  border-radius: 14px;
  padding: 1rem 1.05rem;
}
.daibu-root .kpi .label {
  margin: 0;
  color: var(--db-muted);
  font-size: 0.78rem;
}
.daibu-root .kpi .value {
  margin: 0.35rem 0 0;
  font-family: var(--db-num) !important;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
}
.daibu-root .kpi .hint {
  margin: 0.25rem 0 0;
  color: var(--db-muted);
  font-size: 0.75rem;
}
.daibu-root .kpi.accent .value { color: var(--db-accent); }
.daibu-root .kpi.warn .value { color: var(--db-accent-2); }

.daibu-root .grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}
.daibu-root .block {
  background: var(--db-panel);
  border: 1px solid var(--db-line);
  border-radius: 14px;
  padding: 1rem 1.05rem 1.05rem;
}
.daibu-root .block.wide { padding-bottom: 0.85rem; }
.daibu-root .block h2 {
  margin: 0 0 0.15rem;
  font-size: 0.95rem;
  font-weight: 650;
}
.daibu-root .block .desc {
  margin: 0 0 0.85rem;
  color: var(--db-muted);
  font-size: 0.78rem;
}

.daibu-root .kv { display: grid; gap: 0.45rem; }
.daibu-root .kv-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.35rem 0;
  border-bottom: 1px dashed var(--db-line);
  font-size: 0.88rem;
}
.daibu-root .kv-row:last-child { border-bottom: 0; }
.daibu-root .kv-row .k { color: var(--db-muted); }
.daibu-root .kv-row .v {
  font-family: var(--db-num);
  font-variant-numeric: tabular-nums slashed-zero;
  font-feature-settings: "tnum" 1, "zero" 1;
  font-weight: 600;
}

.daibu-root .cat-list { display: grid; gap: 0.55rem; }
.daibu-root .cat-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.15rem 0.75rem;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  background: rgba(28, 25, 23, 0.025);
}
.daibu-root .cat-item .name { font-size: 0.88rem; font-weight: 600; }
.daibu-root .cat-item .amt {
  font-family: var(--db-num);
  font-size: 0.88rem;
  font-weight: 650;
  text-align: right;
  font-variant-numeric: tabular-nums slashed-zero;
  font-feature-settings: "tnum" 1, "zero" 1;
}
.daibu-root .cat-item .bar {
  grid-column: 1 / -1;
  height: 4px;
  border-radius: 99px;
  background: var(--db-line);
  overflow: hidden;
}
.daibu-root .cat-item .bar > i {
  display: block;
  height: 100%;
  background: var(--db-accent);
  border-radius: 99px;
}
.daibu-root .cat-item.c .bar > i { background: var(--db-accent-2); }
.daibu-root .cat-item .rate {
  grid-column: 1 / -1;
  color: var(--db-muted);
  font-size: 0.75rem;
}

.daibu-root .trend-wrap { overflow-x: auto; }
.daibu-root table.trend {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}
.daibu-root table.trend th,
.daibu-root table.trend td {
  padding: 0.5rem 0.45rem;
  border-bottom: 1px solid var(--db-line);
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums slashed-zero;
  font-feature-settings: "tnum" 1, "zero" 1;
  font-family: var(--db-num);
}
.daibu-root table.trend th:first-child,
.daibu-root table.trend td:first-child {
  text-align: left;
  font-family: var(--db-font);
}
.daibu-root table.trend th {
  color: var(--db-muted);
  font-weight: 600;
  font-family: var(--db-font);
  font-size: 0.76rem;
}
.daibu-root table.trend tr:hover td { background: var(--db-soft); }

.daibu-root .up { color: var(--db-up); }
.daibu-root .down { color: var(--db-down); }
.daibu-root .dim { color: #a8a29e; }

.daibu-root .db-footer,
.daibu-root > footer {
  padding: 0.25rem 0 1.5rem;
  color: var(--db-muted);
  font-size: 0.75rem;
}

@media (max-width: 820px) {
  .daibu-root .kpi-row,
  .daibu-root .grid-2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .daibu-root .kpi-row,
  .daibu-root .grid-2 { grid-template-columns: 1fr; }
}