:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #1a1f2e;
  --muted: #5b6577;
  --line: #e3e8ef;
  --brand: #1f6feb;
  --brand-soft: #e8f0fe;
  --ok: #0f7b4c;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(26, 31, 46, 0.06);
  --font: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  min-height: 100vh;
}
.top {
  background: linear-gradient(135deg, #0b3d91, #1f6feb 60%, #4c8dff);
  color: #fff;
  padding: 20px 16px 24px;
}
.top-inner { max-width: 1200px; margin: 0 auto; }
.top h1 { margin: 0 0 6px; font-size: 1.5rem; font-weight: 700; }
.sub { margin: 0; opacity: 0.9; font-size: 0.92rem; }
.layout {
  max-width: 1200px;
  margin: -12px auto 40px;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 16px;
}
.filters, .results {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.filters { padding: 16px; height: fit-content; position: sticky; top: 12px; }
.filters-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.filters h2 { margin: 0; font-size: 1.05rem; }
.field { display: block; margin: 12px 0; }
.field > span, .field legend, .field label > span {
  display: block; font-size: 0.82rem; color: var(--muted); margin-bottom: 6px; font-weight: 600;
}
.field input[type="search"],
.field input[type="number"],
.field input[type="date"],
.field select,
.sort select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  background: #fff;
}
.field fieldset { border: 0; padding: 0; margin: 12px 0; }
.check-row { display: flex; flex-wrap: wrap; gap: 8px 12px; }
.check-row label { font-size: 0.92rem; display: inline-flex; gap: 6px; align-items: center; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; max-height: 160px; overflow: auto; }
.chip {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.82rem;
  cursor: pointer;
}
.chip.active { background: var(--brand-soft); border-color: var(--brand); color: var(--brand); font-weight: 600; }
.toggle { display: flex; gap: 8px; align-items: flex-start; font-size: 0.88rem; color: var(--muted); margin: 4px 0 10px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.hint { font-size: 0.78rem; color: var(--muted); margin: 8px 0 0; }
.btn {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}
.btn.ghost { color: var(--muted); }
.btn.small { padding: 6px 10px; font-size: 0.85rem; }
.btn.active { background: var(--brand); color: #fff; border-color: var(--brand); }
.results { padding: 12px; min-height: 60vh; }
.results-bar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  justify-content: space-between; margin-bottom: 12px;
}
.count { font-weight: 700; }
.sort { font-size: 0.88rem; color: var(--muted); display: flex; gap: 8px; align-items: center; }
.sort select { width: auto; padding: 6px 8px; }
.view-toggle { display: flex; gap: 6px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card h3 { margin: 0; font-size: 1.02rem; }
.meta { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-size: 0.75rem;
  background: var(--brand-soft);
  color: #0b3d91;
  border-radius: 999px;
  padding: 2px 8px;
}
.tag.muted { background: #f0f2f5; color: var(--muted); }
.card .title { font-weight: 600; font-size: 0.95rem; }
.card .cover { font-size: 0.85rem; color: var(--muted); }
.card .row { display: flex; justify-content: space-between; gap: 8px; font-size: 0.88rem; }
.card a { color: var(--brand); text-decoration: none; font-size: 0.88rem; }
.card a:hover { text-decoration: underline; }
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #f8fafc; position: sticky; top: 0; }
.hidden { display: none !important; }
.empty { text-align: center; color: var(--muted); padding: 40px 10px; }
.foot {
  max-width: 1200px; margin: 0 auto 24px; padding: 0 16px;
  color: var(--muted); font-size: 0.8rem; display: flex; gap: 16px; flex-wrap: wrap;
}
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .filters { position: static; }
}