:root{color-scheme:light;
    --page:#f9f9f7;--surface:#fcfcfb;--ink:#0b0b0b;--ink-2:#52514e;--muted:#898781;
    --grid:#e1e0d9;--border:rgba(11,11,11,.10);--series-1:#2a78d6;--good:#0ca30c}
  @media (prefers-color-scheme:dark){:root:where(:not([data-theme="light"])){color-scheme:dark;
    --page:#0d0d0d;--surface:#1a1a19;--ink:#fff;--ink-2:#c3c2b7;--muted:#898781;
    --grid:#2c2c2a;--border:rgba(255,255,255,.10);--series-1:#3987e5}}
  :root[data-theme="dark"]{color-scheme:dark;
    --page:#0d0d0d;--surface:#1a1a19;--ink:#fff;--ink-2:#c3c2b7;--muted:#898781;
    --grid:#2c2c2a;--border:rgba(255,255,255,.10);--series-1:#3987e5}
  *{box-sizing:border-box}
  body{margin:0;background:var(--page);color:var(--ink);font:14px/1.65 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
  .wrap{max-width:1180px;margin:0 auto;padding:24px 20px 64px}
  a{color:inherit}
  /* 导航吸顶。SEO 无影响：DOM 不变，只是 CSS 定位 */
  nav.top{position:sticky;top:0;z-index:50;background:var(--page);
    border-bottom:1px solid var(--grid);margin-bottom:22px}
  /* 锚点跳转时别被吸顶导航盖住 */
  [id]{scroll-margin-top:78px}
  nav.top .inner{max-width:1180px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:4px;flex-wrap:wrap}
  nav.top .brand{font-weight:680;font-size:15px;margin-right:14px;text-decoration:none;padding:12px 0;white-space:nowrap;border-bottom:2px solid transparent}
  nav.top .brand[aria-current="page"]{color:var(--ink);border-bottom-color:var(--series-1)}
  nav.top a.tab{padding:12px 12px;font-size:13.5px;color:var(--ink-2);text-decoration:none;
    border-bottom:2px solid transparent;border-radius:6px 6px 0 0}
  nav.top a.tab:hover{color:var(--series-1);background:color-mix(in srgb,var(--series-1) 7%,transparent)}
  nav.top a.tab[aria-current="page"]{color:var(--ink);border-bottom-color:var(--series-1);font-weight:600}
  .crumbs{color:var(--muted);font-size:12.5px;margin-bottom:10px}
  .crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
  h1{font-size:21px;margin:0 0 6px;font-weight:660;letter-spacing:-.01em}
  .sub{color:var(--muted);font-size:12.5px;margin-bottom:22px}
  .kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(175px,1fr));gap:12px;margin-bottom:26px}
  .kpi{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:15px 17px}
  .kpi .lbl{color:var(--ink-2);font-size:12.5px;margin-bottom:5px}
  .kpi .val{font-size:29px;font-weight:640;letter-spacing:-.02em;line-height:1.15}
  .kpi .dlt{font-size:12.5px;color:var(--muted);margin-top:4px}
  .kpi .dlt.up{color:var(--good)}
  a.kpi{display:block;text-decoration:none;color:inherit;position:relative}
  a.kpi:hover{border-color:var(--series-1)}
  a.kpi:hover .val{color:var(--series-1)}
  a.kpi .kgo{position:absolute;right:14px;top:15px;font-size:11.5px;color:var(--series-1);opacity:0;transition:opacity .15s}
  a.kpi:hover .kgo{opacity:1}
  @media (max-width:768px){ a.kpi .kgo{opacity:1;position:static;display:block;margin-top:6px} }
  section{margin-bottom:30px}
  h2{font-size:15px;font-weight:620;margin:0 0 3px}
  .hint{color:var(--muted);font-size:12.5px;margin-bottom:12px}
  /* overflow:clip 而不是 hidden —— hidden 会创建滚动容器，把表头的 position:sticky 困住 */
  .card{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:clip}
  table{width:100%;border-collapse:collapse;font-size:13px}
  th,td{padding:9px 14px;text-align:left;border-bottom:1px solid var(--grid);vertical-align:middle}
  :root{--navh:52px}
  th{color:var(--ink-2);font-weight:560;font-size:12.5px;white-space:nowrap;
    position:sticky;top:var(--navh);background:var(--surface);z-index:2}
  /* 吸顶导航下沿加一道阴影，滚动时和内容分层 */
  nav.top{box-shadow:0 1px 0 transparent;transition:box-shadow .15s}
  nav.top.is-stuck{box-shadow:0 2px 8px rgba(0,0,0,.06)}
  th.sortable{cursor:pointer;user-select:none}th.sortable:hover{color:var(--ink)}
  th .arw{opacity:.45;font-size:10px}
  tbody tr:last-child td{border-bottom:none}
  tbody tr:hover{background:color-mix(in srgb,var(--series-1) 5%,transparent)}
  /* 链接用主题蓝（互联网既有认知），悬停加下划线 */
  td a{color:var(--series-1);text-decoration:none}
  td a:hover{text-decoration:underline}
  /* 整行可点：整行悬停高亮 + 手型光标（真实 <a> 仍在，爬虫照常跟） */
  #tbl tbody tr{cursor:pointer}
  .num{font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
  .cat{color:var(--ink-2);font-size:12.5px}
  .tagline{color:var(--muted);font-size:12px}
  .bar{height:8px;border-radius:0 4px 4px 0;background:var(--series-1);min-width:2px}
  .barwrap{width:100px}
  .chips{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:14px}
  .chip{border:1px solid var(--border);background:var(--surface);color:var(--ink-2);
    border-radius:999px;padding:5px 12px;font:inherit;font-size:12.5px;cursor:pointer;white-space:nowrap}
  .chip:hover{color:var(--ink);border-color:var(--muted)}
  .chip[aria-pressed="true"]{background:var(--series-1);border-color:var(--series-1);color:#fff;font-weight:560}
  .chip .c{opacity:.7;margin-left:5px;font-variant-numeric:tabular-nums}
  .search{border:1px solid var(--border);background:var(--surface);color:var(--ink);
    border-radius:8px;padding:7px 11px;font:inherit;font-size:13px;width:220px}
  .toolbar{display:flex;gap:10px;align-items:center;padding:11px 14px 0;flex-wrap:wrap}
  .more{margin:12px auto 16px;display:block;border:1px solid var(--border);background:var(--surface);
    color:var(--ink-2);border-radius:8px;padding:8px 18px;font:inherit;font-size:13px;cursor:pointer}
  .more:hover{color:var(--ink);border-color:var(--muted)}
  .tbl-scroll{max-height:none;overflow:visible}
  /* 详情页字段表 */
  .fields{width:100%;border-collapse:collapse;font-size:13.5px}
  .fields th{width:132px;color:var(--ink-2);font-weight:560;text-align:left;vertical-align:top;
    padding:10px 14px;border-bottom:1px solid var(--grid);background:transparent;position:static}
  .fields td{padding:10px 14px;border-bottom:1px solid var(--grid);vertical-align:top}
  .fields tr:last-child th,.fields tr:last-child td{border-bottom:none}
  .pill{display:inline-block;border:1px solid var(--border);border-radius:999px;
    padding:2px 9px;font-size:12px;color:var(--ink-2);margin:0 6px 6px 0}
  .desc{white-space:pre-wrap;color:var(--ink-2);font-size:13.5px;line-height:1.75}
  .qlist{margin:0;padding-left:19px;color:var(--ink-2);font-size:13.5px}
  /* 小多图（分类趋势） */
  .grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
  .scard{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 14px;display:block;text-decoration:none;color:inherit}
  .scard:hover{border-color:var(--series-1)}
  .scard .top{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:2px}
  .scard .nm{font-weight:600;font-size:13.5px}
  .scard .chg{font-size:12.5px;font-variant-numeric:tabular-nums;white-space:nowrap}
  .scard .chg.up{color:var(--good)} .scard .chg.down{color:#d03b3b} .scard .chg.flat{color:var(--muted)}
  .scard .meta{color:var(--muted);font-size:11.5px;margin-top:3px;font-variant-numeric:tabular-nums}
  .spark{width:100%;height:46px;display:block;margin:6px 0 2px}
  .spark path{fill:none;stroke:var(--series-1);stroke-width:2;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke}
  .spark-empty{height:46px;display:flex;align-items:center;color:var(--muted);font-size:12px;margin:6px 0 2px}
  .chartwrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .chartwrap svg{width:100%;min-width:420px;height:auto;display:block}
  .cgrid{stroke:var(--grid);stroke-width:1}
  .cline{fill:none;stroke:var(--series-1);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
  .cdot{fill:var(--series-1);stroke:var(--surface);stroke-width:2}
  .clab{fill:var(--muted);font-size:11px;font-variant-numeric:tabular-nums}
  .chg{padding:11px 15px;border-bottom:1px solid var(--grid)}
  .chg:last-child{border-bottom:none}
  .chg .when{font-variant-numeric:tabular-nums;color:var(--ink-2);font-size:12.5px;margin-bottom:5px}
  .chg ul{margin:0;padding-left:18px;font-size:13.5px;line-height:1.8}
  .chg .old{color:var(--muted);text-decoration:line-through}
  .chg .new{color:var(--ink)}
  h2 .cnt{font-weight:400;font-size:12.5px;color:var(--muted)}
  .chglink{color:var(--series-1);font-size:12.5px;text-decoration:none;margin-left:8px}
  .chglink:hover{text-decoration:underline}
  .stale{background:#fff4e5;border:1px solid #f0c99a;color:#8a5300;border-radius:8px;padding:9px 12px;margin-bottom:10px;font-size:12.5px}
  @media (prefers-color-scheme:dark){:root:where(:not([data-theme="light"])) .stale{background:#3a2a12;border-color:#6b4a1a;color:#f0c99a}}
  :root[data-theme="dark"] .stale{background:#3a2a12;border-color:#6b4a1a;color:#f0c99a}
  /* ---------- 移动端适配（响应式，同一 URL；不隐藏任何正文）---------- */
  *{-webkit-text-size-adjust:100%}
  @media (max-width:768px){
    body{font-size:15px;line-height:1.7}
    .wrap{padding:16px 12px 48px}
    nav.top{margin-bottom:16px}
    /* 导航换行展示全部，不做横向滚动 —— 可滑但看不出来能滑等于没有 */
    [id]{scroll-margin-top:118px}
    nav.top{margin-bottom:16px}
    nav.top .inner{padding:0 12px;flex-wrap:wrap;row-gap:0}
    nav.top .brand{width:100%;padding:9px 0 3px;font-size:14.5px}
    nav.top a.tab{padding:8px 8px;font-size:12.5px;white-space:nowrap}
    h1{font-size:19px}
    h2{font-size:14.5px}
    .kpis{grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:20px}
    .kpi{padding:12px 13px;border-radius:10px}
    .kpi .lbl{font-size:12px}
    .kpi .val{font-size:22px}
    .card{overflow:visible}
    /* 列表表格 → 卡片式：每行一张卡，字段名在左、值在右，全部在屏宽内 */
    #tbl table,#tbl thead,#tbl tbody,#tbl tr,#tbl td,#tbl th{display:block;width:auto}
    #tbl thead{display:none}
    #tbl tr{border-bottom:1px solid var(--grid);padding:11px 13px}
    #tbl tr:last-child{border-bottom:none}
    #tbl td{border:none;padding:3px 0;display:flex;gap:12px;align-items:baseline;justify-content:space-between;text-align:right}
    #tbl td::before{content:attr(data-label);color:var(--muted);font-size:12.5px;flex:0 0 4.5em;text-align:left;font-weight:400}
    #tbl td.num{text-align:right}
    /* 名称/职称行突出显示 */
    #tbl td[data-label="职称"] ,#tbl td[data-label="花名"],#tbl td[data-label="技能名称"],#tbl td[data-label="案例"],#tbl td[data-label="连接器"],#tbl td[data-label="应用"]{
      font-weight:600;font-size:14.5px;padding-bottom:5px}
    /* 总览页的表也卡片化 */
    .card table:not(#tbl):not(.fields),.card table:not(#tbl):not(.fields) thead,
    .card table:not(#tbl):not(.fields) tbody,.card table:not(#tbl):not(.fields) tr,
    .card table:not(#tbl):not(.fields) td,.card table:not(#tbl):not(.fields) th{display:block;width:auto}
    .card table:not(#tbl):not(.fields) thead{display:none}
    .card table:not(#tbl):not(.fields) tr{border-bottom:1px solid var(--grid);padding:10px 13px}
    .card table:not(#tbl):not(.fields) td{border:none;padding:2px 0;display:flex;justify-content:space-between;text-align:right}
    .card table:not(#tbl):not(.fields) td:first-child{font-weight:600;font-size:14.5px}
    .card table:not(#tbl):not(.fields) td::before{content:attr(data-label);color:var(--muted);font-size:12.5px;text-align:left;flex:0 0 5em}
    .barwrap{width:100%;max-width:160px}
    .fields{min-width:0 !important}
    th,td{padding:10px 12px;font-size:13.5px}
    .toolbar{padding:10px 12px 0}
    .search{width:100%;padding:9px 12px}
    .chip{padding:7px 12px;font-size:13px}
    .more{width:100%;padding:12px 18px}
    /* 详情页字段表改上下堆叠，避免窄屏被压成两列 */
    .fields,.fields tbody,.fields tr,.fields th,.fields td{display:block;width:auto}
    .fields th{border-bottom:none;padding:11px 14px 0}
    .fields td{padding:2px 14px 11px}
    .desc,.qlist{font-size:14px}
  }
  footer{color:var(--muted);font-size:12px;border-top:1px solid var(--grid);padding-top:14px;margin-top:8px;text-align:center}
  footer a{text-decoration:none}footer a:hover{text-decoration:underline}