:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --card: #fff;
  --ink: #17181b;
  --muted: #6b7280;
  --line: #e3e6ea;
  --brand: #1f6feb;
  --ok: #0f7b41;
  --warn: #b45309;
  --bad: #b42318;
  --hi: #eef4ff;
  /* 图表色：单一量度用单一色相，已按本页底色跑过对比度校验 */
  --viz: #2a78d6;
  --viz-track: #e7ecf3;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #14161a; --card: #1b1e24; --ink: #e8eaed; --muted: #9aa3af;
    --line: #2b3038; --brand: #6aa6ff; --ok: #4ade80; --warn: #fbbf24; --bad: #f87171;
    --hi: #1d2735; --viz: #3987e5; --viz-track: #262b33;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.6 system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}
h2.h2 { font-size: 16px; margin: 0 0 12px; }
h3.h3 { font-size: 14px; margin: 0 0 8px; color: var(--muted); }
ul.ul { margin: 0; padding-left: 20px; }
ul.ul li { margin: 4px 0; }
code { background: var(--bg); padding: 1px 5px; border-radius: 4px; font-size: 13px; }

/* ---------------------------------------------------------------- 顶栏 */
.bar {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 8px 14px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20; flex-wrap: wrap;
}
.bar__left, .bar__right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.brand { font-size: 15px; white-space: nowrap; }

.tabs { display: flex; gap: 2px; background: var(--bg); padding: 3px; border-radius: 999px; }
.tab {
  border: none; background: transparent; color: var(--muted); cursor: pointer;
  padding: 6px 14px; border-radius: 999px; font-size: 14px; white-space: nowrap;
}
.tab:hover { color: var(--ink); }
.tab[aria-current="page"] { background: var(--card); color: var(--ink); font-weight: 600; box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.tab__badge {
  display: inline-block; min-width: 17px; margin-left: 5px; padding: 0 5px;
  background: var(--brand); color: #fff; border-radius: 999px; font-size: 11px; line-height: 17px;
}

/* ---------------------------------------------------------------- 布局 */
.wrap { max-width: 1040px; margin: 0 auto; padding: 16px; }
.view { display: grid; gap: 14px; }
/* 必须显式写：.view 的 display 是作者样式，会盖掉浏览器给 [hidden] 的默认 display:none，
   漏了这条就是四个页面全部叠在一起显示、点 tab 像切不动。 */
.view[hidden] { display: none; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px;
}
.label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.label__hint { font-weight: normal; }
.twocol { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* ---------------------------------------------------------------- 控件 */
.combo { display: flex; gap: 8px; align-items: stretch; flex-wrap: wrap; }
.input {
  flex: 1 1 220px; min-width: 0; padding: 10px 12px; font-size: 15px;
  color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
}
.input--big { font-size: 17px; padding: 12px 14px; }
.input--sel { flex: 0 0 auto; padding: 8px 10px; font-size: 14px; }
.input:focus { outline: 2px solid var(--brand); outline-offset: -1px; }

.btn {
  padding: 9px 13px; font-size: 14px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  text-decoration: none; display: inline-flex; align-items: center; white-space: nowrap;
}
.btn:hover { border-color: var(--brand); }
.btn--primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn--ghost { background: transparent; }
.btn[disabled] { opacity: .6; cursor: default; }

.pill {
  font-size: 12px; padding: 3px 8px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted); white-space: nowrap;
}
.pill--ok { color: var(--ok); border-color: currentColor; }
.pill--warn { color: var(--warn); border-color: currentColor; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.chip {
  font-size: 13px; padding: 5px 11px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line); background: transparent; color: var(--muted);
}
.chip:hover { color: var(--ink); border-color: var(--brand); }
.chip[aria-pressed="true"] { background: var(--hi); border-color: var(--brand); color: var(--ink); }

/* ---------------------------------------------------------------- 搜索建议 */
.suggest {
  margin-top: 8px; border: 1px solid var(--line); border-radius: 8px;
  max-height: 340px; overflow: auto; background: var(--card);
}
.suggest__item { padding: 8px 12px; cursor: pointer; display: flex; gap: 10px; align-items: baseline; justify-content: space-between; }
.suggest__item:hover { background: var(--bg); }
.suggest__id { font-weight: 600; }
.suggest__meta { font-size: 12px; color: var(--muted); text-align: right; }

.current-info { margin-top: 10px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* ---------------------------------------------------------------- 回答 */
.answer { display: grid; gap: 12px; }
.say {
  background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--brand);
  border-radius: var(--radius); padding: 16px;
}
.say__text { font-size: 26px; line-height: 1.45; font-weight: 600; }
.say__foot { margin-top: 10px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.say--ask { border-left-color: var(--warn); }
.say--none { border-left-color: var(--bad); }

details.detail {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px;
}
details.detail > summary { cursor: pointer; font-weight: 600; }
.kv { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 14px; }
.kv td { border-top: 1px solid var(--line); padding: 6px 8px; vertical-align: top; }
.kv td:first-child { color: var(--muted); white-space: nowrap; width: 11em; }
.tablewrap { overflow-x: auto; }
.srcs { font-size: 13px; color: var(--muted); margin-top: 10px; }
.srcs a { color: var(--brand); margin-right: 8px; }
.note { font-size: 13px; color: var(--warn); }
.hint { font-size: 13px; color: var(--muted); margin: 8px 0 0; }
.hint--warn { color: var(--warn); }
.cands { display: grid; gap: 6px; }
.cand {
  text-align: left; padding: 8px 12px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--card); color: var(--ink); cursor: pointer;
}
.cand:hover { border-color: var(--brand); }
.cand small { color: var(--muted); }

/* ---------------------------------------------------------------- 找表 */
.filters__row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.filters__row + .filters__row { margin-top: 10px; }
.filters__spacer { flex: 1 1 auto; }
.sel { display: inline-flex; align-items: center; gap: 6px; }
.sel__label { font-size: 13px; color: var(--muted); }

.results__head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.results__head .hint { margin: 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.card2 {
  display: flex; gap: 10px; padding: 10px; cursor: pointer;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
}
.card2:hover { border-color: var(--brand); }
.card2__body { min-width: 0; flex: 1 1 auto; }
.card2__title { font-weight: 600; }
.card2__meta { font-size: 12px; color: var(--muted); }
.card2__facts { font-size: 12px; color: var(--muted); margin-top: 4px; }
.card2__actions { display: flex; align-items: flex-start; }

.thumb {
  width: 64px; height: 64px; flex: 0 0 auto; border-radius: 8px; background: #fff;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
  border: 1px solid var(--line);
}
.thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.thumb__fallback { font-size: 11px; color: var(--muted); }

/* ---------------------------------------------------------------- 抽屉 */
.drawer {
  position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 40;
  display: none; justify-content: flex-end;
}
.drawer.is-open { display: flex; }
.drawer__panel {
  background: var(--card); width: min(560px, 100%); height: 100%;
  overflow: auto; padding: 16px; display: grid; gap: 12px; align-content: start;
}
.drawer__head { display: flex; justify-content: space-between; align-items: center; gap: 10px; position: sticky; top: -16px; background: var(--card); padding: 4px 0; }
.drawer__title { font-size: 17px; }
.detail-top { display: flex; gap: 12px; align-items: flex-start; }
.colorlist { display: grid; gap: 6px; margin-top: 10px; }
.colorlist__item {
  display: flex; gap: 10px; align-items: center; text-align: left; cursor: pointer;
  border: 1px solid var(--line); border-radius: 8px; padding: 6px; background: transparent; color: var(--ink);
}
.colorlist__item:hover { border-color: var(--brand); }
.colorlist__id { font-weight: 600; font-size: 13px; }
.relline + .relline { margin-top: 12px; }
.relline__title { font-size: 13px; color: var(--muted); margin-top: 10px; }
.relrow { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }

/* ---------------------------------------------------------------- 对比表 */
.cmp { width: 100%; border-collapse: collapse; font-size: 14px; }
.cmp th, .cmp td { border: 1px solid var(--line); padding: 8px 10px; vertical-align: top; text-align: left; }
.cmp__corner { background: var(--bg); }
.cmp__rowhead { color: var(--muted); font-weight: normal; white-space: nowrap; background: var(--bg); }
.cmp__id { font-weight: 600; margin: 6px 0 2px; }
.cmp tr.is-diff td { background: var(--hi); }
.cmp th .thumb { margin-bottom: 4px; }

/* ---------------------------------------------------------------- 总览 */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.stat__value { font-size: 30px; font-weight: 700; line-height: 1.15; }
.stat__label { font-size: 13px; color: var(--muted); margin-top: 2px; }
.stat__note { font-size: 12px; color: var(--muted); margin-top: 4px; }

.chart { display: grid; gap: 6px; }
.chart__row { display: grid; grid-template-columns: 10em 1fr 8em; gap: 10px; align-items: center; font-size: 13px; }
.chart__row.is-clickable { cursor: pointer; }
.chart__row.is-clickable:hover .chart__label { color: var(--brand); }
.chart__label { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chart__track { background: var(--viz-track); border-radius: 4px; height: 14px; overflow: hidden; }
.chart__fill { height: 100%; background: var(--viz); border-radius: 0 4px 4px 0; }
.chart__fill.is-muted { background: var(--muted); }
.chart__value { color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }

.meters { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.meter__head { display: flex; justify-content: space-between; font-size: 13px; }
.meter__track { background: var(--viz-track); border-radius: 4px; height: 10px; overflow: hidden; margin: 4px 0; }
.meter__fill { height: 100%; background: var(--viz); }
.meter__fill.is-low { background: var(--warn); }
.meter__note { font-size: 12px; color: var(--muted); }

/* ---------------------------------------------------------------- 设置弹窗 */
.modal { border: none; border-radius: 12px; padding: 0; max-width: 640px; width: calc(100% - 32px); }
.modal::backdrop { background: rgba(0,0,0,.45); }
.modal__body { background: var(--card); color: var(--ink); padding: 18px; max-height: 86vh; overflow: auto; }
.modal__foot { display: flex; justify-content: flex-end; padding: 0; margin: 14px 0 0; }
.fs { border: 1px solid var(--line); border-radius: 8px; padding: 12px; margin: 0 0 14px; }
.fs legend { padding: 0 6px; font-size: 13px; color: var(--muted); }
.row { display: flex; gap: 8px; align-items: center; margin: 8px 0; flex-wrap: wrap; }
.row--btns { gap: 6px; }

/* ---------------------------------------------------------------- 窄屏 */
@media (max-width: 720px) {
  .twocol { grid-template-columns: 1fr; }
  .chart__row { grid-template-columns: 7em 1fr 6.5em; }
}
@media (max-width: 560px) {
  .wrap { padding: 12px; }
  .say__text { font-size: 21px; }
  .kv td:first-child { width: auto; }
  .tab { padding: 6px 10px; font-size: 13px; }
  .brand { display: none; }
  .grid { grid-template-columns: 1fr; }
  .chart__row { grid-template-columns: 6em 1fr 5.5em; font-size: 12px; }
  .drawer__panel { width: 100%; }
}