:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --line: #d9dee7;
  --text: #20252d;
  --muted: #657083;
  --brand: #2463a8;
  --brand-soft: #eaf2fb;
  --danger-soft: #fff4ef;
  --shadow: 0 12px 32px rgba(23, 35, 52, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}
button, input { font: inherit; }
button { color: inherit; }
.hidden { display: none !important; }

.conditions-page {
  width: min(1480px, calc(100% - 28px));
  margin: 0 auto;
  padding: 22px 0 34px;
}

.hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 4px 2px 18px;
}
.hero h1 { margin: 2px 0 5px; font-size: clamp(28px, 4vw, 42px); }
.eyebrow {
  margin: 0;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.subtitle { margin: 0; color: var(--muted); }
.top-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; align-items: center; }
.top-links a, .nav-label {
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 13px;
  text-decoration: none;
}
.top-links a { border: 1px solid var(--line); background: var(--panel); color: var(--text); }
.top-links a:hover { border-color: var(--brand); color: var(--brand); }
.top-links a.active { border-color: var(--brand); background: var(--brand); color: white; }
.nav-label { color: var(--muted); font-weight: 700; padding-left: 3px; padding-right: 3px; }

.rule-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 17px;
  border: 1px solid #bed4ec;
  border-radius: 14px;
  background: var(--brand-soft);
}
.rule-note p { margin: 4px 0 0; line-height: 1.7; color: #37516e; }
.rule-icon {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  flex: 0 0 25px;
  border-radius: 50%;
  background: var(--brand);
  color: white;
  font-weight: 800;
}

.search-panel {
  margin-top: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfcfe;
}
.search-box:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(36, 99, 168, .12); }
.search-box input { width: 100%; border: 0; outline: 0; background: transparent; color: var(--text); }
.clear-search {
  margin-top: 10px;
  border: 0;
  background: transparent;
  color: var(--brand);
  cursor: pointer;
  font-weight: 700;
}
.category-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 13px; }
.category-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  background: white;
  cursor: pointer;
  color: #475569;
}
.category-chip:hover { border-color: var(--brand); color: var(--brand); }
.category-chip.active { border-color: var(--brand); background: var(--brand); color: white; }
.result-count { margin: 12px 0 0; color: var(--muted); font-size: 13px; }

.condition-workspace {
  display: grid;
  grid-template-columns: minmax(310px, 420px) minmax(0, 1fr);
  gap: 14px;
  margin-top: 14px;
  align-items: start;
}
.condition-list-panel,
.condition-detail {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.condition-list-panel { overflow: hidden; }
.condition-list { max-height: calc(100vh - 285px); min-height: 520px; overflow: auto; padding: 7px; }
.condition-row {
  width: 100%;
  display: block;
  border: 1px solid transparent;
  border-radius: 11px;
  padding: 13px 14px;
  background: transparent;
  text-align: left;
  cursor: pointer;
}
.condition-row + .condition-row { margin-top: 4px; }
.condition-row:hover { background: #f5f8fc; }
.condition-row.active { border-color: #9fc1e5; background: var(--brand-soft); }
.condition-row-title { display: flex; align-items: baseline; gap: 8px; }
.condition-row-title strong { font-size: 16px; }
.condition-row-title span { color: var(--muted); font-size: 13px; }
.condition-row-summary { margin: 7px 0 0; color: #5b6575; line-height: 1.55; font-size: 13px; }
.condition-row-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; }
.mini-tag { padding: 3px 7px; border-radius: 999px; background: #eef1f5; color: #5f6977; font-size: 11px; }
.no-results { padding: 48px 20px; color: var(--muted); text-align: center; }

.condition-detail {
  min-height: 520px;
  padding: clamp(18px, 3vw, 34px);
  position: sticky;
  top: 14px;
  max-height: calc(100vh - 28px);
  overflow: auto;
}
.empty-detail { min-height: 440px; display: grid; place-content: center; gap: 8px; color: var(--muted); text-align: center; }
.empty-detail strong { color: var(--text); font-size: 20px; }
.detail-kicker { color: var(--brand); font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.detail-title { margin: 4px 0 0; font-size: clamp(28px, 4vw, 42px); }
.detail-en { margin: 4px 0 0; color: var(--muted); font-size: 18px; }
.alias-line { margin: 8px 0 0; color: var(--muted); }
.detail-tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 14px 0 18px; }
.detail-tag { padding: 5px 9px; border-radius: 999px; background: var(--brand-soft); color: #315d8b; font-size: 12px; font-weight: 700; }
.detail-summary { margin: 0; padding: 14px 16px; border-left: 4px solid var(--brand); border-radius: 0 10px 10px 0; background: #f8fafc; line-height: 1.75; }
.section-title { margin: 25px 0 10px; font-size: 17px; }
.effect-list { margin: 0; padding-left: 21px; }
.effect-list li { margin: 7px 0; line-height: 1.65; }
.rule-body p { margin: 11px 0; line-height: 1.85; }
.rule-body ul { margin: 10px 0; padding-left: 22px; }
.rule-body li { margin: 8px 0; line-height: 1.75; }
.rule-table-wrap { overflow-x: auto; margin: 14px 0; }
.rule-table { width: 100%; border-collapse: collapse; min-width: 520px; }
.rule-table th, .rule-table td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; line-height: 1.6; }
.rule-table th { background: #f3f6fa; }
.related-list { display: flex; flex-wrap: wrap; gap: 8px; }
.related-btn { border: 1px solid var(--line); border-radius: 999px; background: white; padding: 7px 11px; cursor: pointer; }
.related-btn:hover { border-color: var(--brand); color: var(--brand); }

@media (max-width: 900px) {
  .hero { align-items: flex-start; flex-direction: column; }
  .top-links { justify-content: flex-start; }
  .condition-workspace { grid-template-columns: 1fr; }
  .condition-list { min-height: 0; max-height: 44vh; }
  .condition-detail { position: static; max-height: none; min-height: 0; }
  .empty-detail { min-height: 220px; }
}

@media (max-width: 560px) {
  .conditions-page { width: min(100% - 18px, 1480px); padding-top: 12px; }
  .hero { gap: 14px; padding-bottom: 12px; }
  .top-links { gap: 6px; }
  .nav-label { width: 100%; padding: 5px 0 0; }
  .rule-note, .search-panel { border-radius: 12px; }
  .condition-workspace { gap: 10px; }
  .condition-detail { padding: 19px 16px; }
  .condition-list { max-height: 48vh; }
}