:root {
  --color-bg: #f4f6f9;
  --color-card: #ffffff;
  --color-primary: #1f6f5c;
  --color-primary-dark: #164f42;
  --color-accent: #e07a2c;
  --color-text: #24303a;
  --color-muted: #64748b;
  --color-border: #e2e8f0;
  --cat-a: #2563eb;
  --cat-b: #16a34a;
  --cat-c: #d97706;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.55;
}

a { color: var(--color-primary); }

header.site-header {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 20px 24px;
}

header.site-header .header-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

header.site-header h1 {
  margin: 0;
  font-size: 1.4rem;
}

header.site-header .meta {
  font-size: .82rem;
  opacity: .9;
}

header.site-header nav a {
  color: #fff;
  text-decoration: none;
  margin-right: 14px;
  font-size: .88rem;
  opacity: .9;
}
header.site-header nav a:hover { opacity: 1; text-decoration: underline; }

main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 24px 60px;
}

.card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  margin-bottom: 16px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.stat-card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  border-top: 4px solid var(--color-primary);
}
.stat-card.a { border-top-color: var(--cat-a); }
.stat-card.b { border-top-color: var(--cat-b); }
.stat-card.c { border-top-color: var(--cat-c); }

.stat-card .num {
  font-size: 1.6rem;
  font-weight: 700;
}
.stat-card .label {
  font-size: .78rem;
  color: var(--color-muted);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  margin-bottom: 16px;
}

.filters .field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: .8rem;
  color: var(--color-muted);
}

.filters select,
.filters input[type="text"] {
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: .9rem;
  min-width: 150px;
  background: #fff;
}

.filters .checkbox-group {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: .85rem;
  color: var(--color-text);
}
.filters .checkbox-group label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  font-size: .85rem;
  background: var(--color-primary);
  color: #fff;
}
button:hover { background: var(--color-primary-dark); }
button.ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.grid-2 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
}

#map { height: 480px; border-radius: var(--radius); }

.chart-box {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 220px;
  margin-bottom: 18px;
}
.chart-box:last-child { margin-bottom: 0; }
.chart-box h3 { margin: 0 0 8px; font-size: .9rem; color: var(--color-muted); flex: 0 0 auto; }
.chart-box .chart-canvas-wrap { position: relative; flex: 1 1 auto; min-height: 0; }
.chart-box canvas { max-width: 100%; max-height: 100%; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .84rem;
}
table.data-table th, table.data-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}
table.data-table th {
  background: #f8fafc;
  position: sticky;
  top: 0;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
table.data-table tbody tr:hover { background: #f1f7f5; }
.table-wrap { overflow-x: auto; max-height: 520px; overflow-y: auto; border: 1px solid var(--color-border); border-radius: 8px; }

.badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: .74rem;
  color: #fff;
}
.badge.a { background: var(--cat-a); }
.badge.b { background: var(--cat-b); }
.badge.c { background: var(--cat-c); }
.badge.cap { background: var(--color-primary); margin: 1px 2px 1px 0; }

.pagination {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-size: .82rem;
  color: var(--color-muted);
  flex-wrap: wrap;
}
.pagination button {
  background: #fff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 4px 10px;
}
.pagination button:disabled { opacity: .4; cursor: default; }
.pagination button.active { background: var(--color-primary); color: #fff; }

footer.site-footer {
  text-align: center;
  color: var(--color-muted);
  font-size: .8rem;
  padding: 24px;
}

.section-title {
  font-size: 1.05rem;
  margin: 26px 0 10px;
}

.loading {
  text-align: center;
  padding: 40px;
  color: var(--color-muted);
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 24px;
}
.home-card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  border-top: 6px solid var(--color-primary);
  transition: transform .15s ease;
}
.home-card:hover { transform: translateY(-3px); }
.home-card h2 { margin: 0; color: var(--color-primary-dark); }
.home-card .tag {
  font-size: .74rem;
  color: #fff;
  background: var(--color-accent);
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  width: fit-content;
}
.home-card .desc { font-size: .88rem; color: var(--color-muted); }
.home-card .footline { font-size: .78rem; color: var(--color-muted); margin-top: auto; }