:root {
    --bg: #141414;
    --bg-elev: #1c1c1c;
    --bg-row: #191919;
    --border: #2c2c2c;
    --border-soft: #232323;
    --t1: #e8e8e8;
    --t2: #a8a8a8;
    --t3: #6f6f6f;
    --accent: #4a9eff;
    --warn: #e0a341;
    --ok: #4bb87c;
    --bad: #e06c5f;
    /* 搜索条件的区分色，深色底上取较亮的一档 */
    --c1: #5b9dff;
    --c2: #f5a05a;
    --c3: #4ec48c;
    --c4: #b58ae8;
    --c5: #ee8a8a;
    --c6: #4dbcc9;
    --c7: #d9b552;
    --c8: #8f9cf2;
  }
  html[data-theme="light"] {
    --bg: #fbfbfb;
    --bg-elev: #ffffff;
    --bg-row: #f5f5f5;
    --border: #dedede;
    --border-soft: #ebebeb;
    --t1: #1a1a1a;
    --t2: #555555;
    --t3: #8a8a8a;
    --accent: #0a66d0;
    --warn: #a86a00;
    --ok: #1f7a4d;
    --bad: #c0392b;
    /* 浅色底上要压暗，否则同样的色号会糊成一片 */
    --c1: #1565d8;
    --c2: #b4650c;
    --c3: #12784d;
    --c4: #7433ac;
    --c5: #c0392b;
    --c6: #0b7285;
    --c7: #8a6d0b;
    --c8: #3f4fc9;
  }
  * { box-sizing: border-box; }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--t1);
    font: 14px/1.55 -apple-system, BlinkMacSystemFont, "PingFang SC",
      "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  }
  .wrap { max-width: 1560px; margin: 0 auto; padding: 26px 22px 72px; }
  h1 { font-size: 23px; font-weight: 600; margin: 0 0 6px; letter-spacing: -0.01em; }
  h2 { font-size: 18px; font-weight: 600; margin: 34px 0 12px; }
  h3 { font-size: 14px; font-weight: 600; margin: 0 0 10px; }
  .lede { color: var(--t2); max-width: 980px; margin: 0; }
  .lede.sub { margin-top: 5px; font-size: 13px; color: var(--t3); }
  .muted { color: var(--t3); font-size: 12px; }
  .hint { font-size: 15px; font-weight: 600; color: var(--t1); margin: -2px 0 14px; }
  .hint a { border-bottom: 1px dashed currentColor; }
  .hint a:hover { text-decoration: none; }
  a { color: var(--accent); text-decoration: none; }
  a:hover { text-decoration: underline; }
  code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }

  .topbar { display: flex; align-items: flex-start; gap: 16px; }
  .topbar > div:first-child { flex: 1; min-width: 0; }

  button, select, input {
    font-family: inherit; font-size: 12.5px; color: var(--t1);
    background: var(--bg-elev); border: 1px solid var(--border); border-radius: 6px;
    padding: 5px 9px;
  }
  button { cursor: pointer; color: var(--t2); white-space: nowrap; }
  button:hover:not(:disabled) { color: var(--t1); border-color: var(--t3); }
  button:disabled { opacity: .45; cursor: not-allowed; }
  button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 500; padding: 6px 18px; }
  button.primary:hover:not(:disabled) { color: #fff; filter: brightness(1.1); }
  button.danger { color: var(--bad); border-color: var(--bad); }
  input[type=number] { width: 92px; }
  input[type=text] { width: 160px; }
  input:focus, select:focus { outline: none; border-color: var(--accent); }
  label.chk { display: inline-flex; align-items: center; gap: 5px; font-size: 12.5px; color: var(--t2); cursor: pointer; }
  label.chk input { padding: 0; }

  /* ---- 搜索面板 ---- */
  .panel { border: 1px solid var(--border); border-radius: 8px; background: var(--bg-elev); padding: 16px 18px; margin: 18px 0; }

  .fgroup + .fgroup { margin-top: 18px; }
  .ftitle {
    display: flex; align-items: center; gap: 9px; margin-bottom: 10px;
    font-size: 11.5px; font-weight: 600; letter-spacing: .05em; color: var(--t2);
  }
  .ftitle::after { content: ""; flex: 1; height: 1px; background: var(--border-soft); }
  .fhint { color: var(--t3); font-size: 11.5px; margin: 9px 0 0; }

  /* 一行三个，等宽对齐 */
  .fgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 14px; }

  /* 每个条件一张卡片，左侧色条 + 同色标签，靠颜色区分 */
  .fld {
    display: flex; align-items: center; gap: 8px; min-width: 0;
    background: var(--bg-row); border: 1px solid var(--border-soft);
    border-left: 3px solid var(--fc, var(--t3));
    border-radius: 6px; padding: 7px 11px;
  }
  .fld:focus-within { border-color: var(--fc, var(--accent)); }
  .fld > .nm {
    flex: 0 0 auto; min-width: 56px;
    color: var(--fc, var(--t2)); font-size: 12.5px; font-weight: 600;
  }
  .fld.wide > .nm { min-width: 82px; }
  .fld input, .fld select { flex: 1 1 0; width: auto; min-width: 0; }
  .fld .sep, .fld .unit { flex: 0 0 auto; color: var(--t3); font-size: 11.5px; }

  /* 字段筛选：列多，用紧凑的四列网格，按字段分组分隔 */
  .nfwrap > summary {
    display: flex; align-items: center; gap: 9px;
    cursor: pointer; list-style: none; user-select: none;
  }
  .nfwrap > summary::-webkit-details-marker { display: none; }
  .nfwrap > summary > .ftitle { margin-bottom: 0; flex: 0 0 auto; }
  .nfwrap > summary > .ftitle::after { display: none; }
  .nfwrap > summary > .ftitle::before { content: "▸ "; color: var(--t3); font-weight: 400; }
  .nfwrap[open] > summary > .ftitle::before { content: "▾ "; }
  .nfstat {
    flex: 0 0 auto; font-size: 11px; color: var(--t3);
    border: 1px solid var(--border-soft); border-radius: 10px; padding: 1px 8px;
  }
  .nfwrap.on .nfstat { color: var(--accent); border-color: var(--accent); }
  .nfnote { flex: 1; font-size: 11.5px; color: var(--t3); }
  .nfclear { display: none; flex: 0 0 auto; padding: 3px 10px; font-size: 11.5px; }
  .nfwrap.on .nfclear { display: inline-block; }

  .nfgrid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 6px 14px; margin-top: 12px;
  }
  .nfgrp {
    grid-column: 1 / -1; margin-top: 6px; padding-bottom: 3px;
    font-size: 11px; letter-spacing: .05em; color: var(--t3);
    border-bottom: 1px solid var(--border-soft);
  }
  .nfgrid > .nfgrp:first-child { margin-top: 0; }
  .nfld { display: flex; align-items: center; gap: 6px; min-width: 0; }
  .nfld > .nfn {
    flex: 0 0 auto; min-width: 54px;
    font-size: 12px; color: var(--t2); cursor: help;
  }
  .nfld.on > .nfn { color: var(--accent); font-weight: 600; }
  .nfld input { flex: 1 1 0; width: auto; min-width: 0; padding: 4px 7px; font-size: 12px; }
  .nfld.on input { border-color: var(--accent); }
  .nfld > .sep { flex: 0 0 auto; color: var(--t3); font-size: 11px; }

  .factions { display: flex; align-items: center; gap: 9px; margin-top: 18px; }
  .factions .grow { flex: 1; }
  details.adv > summary { cursor: pointer; color: var(--t2); font-size: 12.5px; list-style: none; user-select: none; }
  details.adv > summary::-webkit-details-marker { display: none; }
  details.adv > summary::before { content: "▸ "; color: var(--t3); }
  details.adv[open] > summary::before { content: "▾ "; }
  details.adv > div { margin-top: 12px; }

  /* ---- 进度 ---- */
  #progress { display: none; margin-top: 14px; }
  #progress.on { display: block; }
  .bar { height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
  .bar > i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .25s; }
  #progText { font-size: 12px; color: var(--t2); margin-top: 7px; font-variant-numeric: tabular-nums; }
  #progText.err { color: var(--bad); }

  .note { border: 1px solid var(--border); border-left: 3px solid var(--t3); border-radius: 6px;
          padding: 11px 15px; margin: 14px 0; background: var(--bg-elev); color: var(--t2); font-size: 13px; }
  .note.warn { border-left-color: var(--warn); }
  .note.info { border-left-color: var(--accent); }
  .note b { color: var(--t1); font-weight: 600; }

  /* ---- 概览 ---- */
  .stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin: 18px 0; }
  .stat { border: 1px solid var(--border); border-radius: 8px; padding: 12px 15px; background: var(--bg-elev); }
  .stat .v { font-size: 24px; font-weight: 600; line-height: 1.15; font-variant-numeric: tabular-nums; }
  .stat .l { color: var(--t3); font-size: 12px; margin-top: 3px; }

  .groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px; }
  .gcard { border: 1px solid var(--border); border-radius: 8px; background: var(--bg-elev); padding: 12px 14px; cursor: pointer; }
  .gcard:hover { border-color: var(--t3); }
  .gcard.on { border-color: var(--accent); }
  .gcard .gh { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
  .gcard .gn { font-weight: 600; font-size: 14px; }
  .gcard .gc { color: var(--accent); font-weight: 600; font-variant-numeric: tabular-nums; }
  .gcard .kv { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; margin-top: 9px;
               border-top: 1px solid var(--border-soft); padding-top: 9px; font-size: 12px; }
  .gcard .kv span { color: var(--t3); }
  .gcard .kv b { font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }

  /* ---- 散点图 ---- */
  .gblock { margin: 20px 0 26px; }
  .gblock > .gt { font-size: 14px; font-weight: 600; margin-bottom: 9px; }
  .gblock > .gt span { color: var(--t3); font-weight: 400; font-size: 12px; margin-left: 8px; }
  .charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; }
  .chartbox { border: 1px solid var(--border); border-radius: 8px; background: var(--bg-elev); padding: 10px 10px 4px; }
  .chartbox svg { width: 100%; display: block; }
  circle.dot { cursor: pointer; }
  circle.dot:hover { stroke-width: 3; }
  #tip {
    position: fixed; pointer-events: none; opacity: 0; background: var(--bg);
    border: 1px solid var(--border); border-radius: 6px; padding: 8px 11px;
    font-size: 12px; line-height: 1.55; white-space: nowrap; z-index: 50; color: var(--t1);
    box-shadow: 0 4px 18px rgba(0,0,0,.35);
  }

  /* ---- 表格 ---- */
  .controls { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; margin: 10px 0; }
  .controls .lbl { color: var(--t3); font-size: 12px; }
  .pill {
    border: 1px solid var(--border); background: transparent; color: var(--t2);
    border-radius: 999px; padding: 4px 12px; font-size: 12.5px; cursor: pointer;
  }
  .pill:hover { color: var(--t1); border-color: var(--t3); }
  .pill.on { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 500; }

  /* 自定义列：整条做成可点的卡片，比一行小字更容易被看见 */
  .colwrap {
    border: 1px solid var(--border); border-left: 3px solid var(--accent);
    border-radius: 8px; background: var(--bg-elev); margin: 10px 0 12px;
  }
  .colwrap > summary {
    display: flex; align-items: center; gap: 10px; padding: 10px 14px;
    cursor: pointer; list-style: none; user-select: none; border-radius: 6px;
  }
  .colwrap > summary::-webkit-details-marker { display: none; }
  .colwrap > summary:hover { background: var(--bg-row); }
  .cwi { flex: 0 0 auto; color: var(--accent); font-size: 14px; line-height: 1; }
  .cwt { flex: 0 0 auto; font-size: 13.5px; font-weight: 700; color: var(--t1); }
  .cwn {
    flex: 0 0 auto; font-size: 11.5px; color: var(--accent);
    border: 1px solid var(--accent); border-radius: 10px; padding: 1px 8px;
    font-variant-numeric: tabular-nums;
  }
  .cwd { flex: 1; min-width: 0; font-size: 11.5px; color: var(--t3);
         overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .cwx { flex: 0 0 auto; font-size: 11.5px; color: var(--t2); }
  .cwx > .c, .colwrap[open] .cwx > .o { display: none; }
  .colwrap[open] .cwx > .c { display: inline; }
  .cwx::after { content: " ▾"; }
  .colwrap[open] .cwx::after { content: " ▴"; }
  .cwbody { padding: 0 14px 14px; }

  .colpick { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 5px 14px; margin-top: 10px; }
  .colgrp { grid-column: 1 / -1; color: var(--t3); font-size: 11px; margin-top: 8px;
            border-bottom: 1px solid var(--border-soft); padding-bottom: 3px; }

  .tablewrap { border: 1px solid var(--border); border-radius: 8px; overflow: auto; max-height: 720px; }
  table { border-collapse: collapse; width: 100%; font-size: 13px; font-variant-numeric: tabular-nums; }
  thead th {
    position: sticky; top: 0; z-index: 2; background: var(--bg-elev); color: var(--t2);
    font-weight: 500; font-size: 12px; text-align: right; white-space: nowrap;
    padding: 8px 10px; border-bottom: 1px solid var(--border); cursor: pointer; user-select: none;
  }
  thead th:hover { color: var(--t1); background: var(--border-soft); }
  thead th.l, tbody td.l { text-align: left; }
  thead th.c, tbody td.c { text-align: center; }
  thead th .si { margin-left: 4px; color: var(--t3); font-size: 10px; }
  thead th.act { color: var(--t1); }
  thead th.act .si { color: var(--accent); font-size: 11px; }
  tbody td { padding: 7px 10px; text-align: right; border-bottom: 1px solid var(--border-soft); white-space: nowrap; }
  tbody tr:nth-child(even) { background: var(--bg-row); }
  tbody tr:hover { background: var(--border-soft); }
  td.price { font-weight: 600; }
  td.nm { max-width: 190px; overflow: hidden; text-overflow: ellipsis; }
  .dim { color: var(--t3); }
  .yes { color: var(--ok); }
  .tag { display: inline-block; border: 1px solid var(--border); border-radius: 4px;
         padding: 0 6px; font-size: 11px; color: var(--t2); }
  .empty { padding: 40px; text-align: center; color: var(--t3); }

  @media (max-width: 1100px) { .stats { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 1180px) { .nfgrid { grid-template-columns: repeat(3, 1fr); } }
  @media (max-width: 980px)  { .fgrid, .nfgrid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 640px)  { .fgrid, .nfgrid { grid-template-columns: 1fr; }
                               .nfnote { display: none; } }