:root{
  --bg:#f4f5f7; --panel:#ffffff; --panel2:#fafbfc; --ink:#1c2330; --ink2:#5b6675;
  --line:#e3e6ea; --line2:#d2d7dd;
  --accent:#2f6fed; --accent-ink:#ffffff;
  --in:#2e9e5b; --out:#cf7a2f; --warn:#c0392b;
  --mono:"Consolas","Cascadia Mono","SF Mono",monospace;
  --shadow:0 1px 2px rgba(20,30,60,.05),0 6px 24px rgba(20,30,60,.06);
  --radius:10px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);
  font:14px/1.55 "PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
  display:flex;flex-direction:column;overflow:hidden}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#c6ccd4;border-radius:6px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#aab2bd}
::-webkit-scrollbar-track{background:transparent}
button{font:inherit;cursor:pointer}
#topbar{flex:0 0 auto;display:flex;align-items:center;gap:18px;padding:10px 18px;
  background:linear-gradient(180deg,#fff,#f7f9fb);border-bottom:1px solid var(--line2);
  box-shadow:0 1px 0 rgba(255,255,255,.6) inset;position:relative;z-index:5}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo{width:46px;height:46px;flex:0 0 46px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,#3a7afe,#2a54c8);color:#fff;font-weight:800;font-size:17px;
  letter-spacing:.5px;box-shadow:0 4px 12px rgba(47,111,237,.35)}
.brand h1{margin:0;font-size:17px;font-weight:700;letter-spacing:.2px}
.brand .sub{margin:2px 0 0;font-size:12px;color:var(--ink2)}
.searchbox{flex:1 1 380px;max-width:640px;margin-left:auto;position:relative;display:flex;align-items:center}
.searchbox input{width:100%;padding:9px 40px 9px 34px;border:1px solid var(--line2);border-radius:9px;
  background:#fff;font-size:13.5px;color:var(--ink);transition:.15s;outline:none}
.searchbox input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,111,237,.14)}
.searchbox .sicon{position:absolute;left:11px;color:#8b95a3;font-size:17px;line-height:1}
.searchbox kbd{position:absolute;right:9px;border:1px solid var(--line2);border-radius:5px;background:var(--panel2);
  padding:1px 6px;font:11px var(--mono);color:#9aa4b1}
.stat{flex:0 0 auto;font-size:12px;color:var(--ink2);background:#fff;border:1px solid var(--line);
  border-radius:9px;padding:7px 12px;white-space:nowrap}
.stat b{color:var(--accent);font-size:14px;margin:0 1px}

#layout{flex:1 1 auto;display:grid;grid-template-columns:196px minmax(230px,318px) 1fr;min-height:0}
/* ---------- 左：分类标签 ---------- */
#catPanel{background:#eef0f4;border-right:1px solid var(--line2);overflow-y:auto;padding:8px;
  display:flex;flex-direction:column;gap:6px}
#catPanel .catbtn{display:flex;align-items:center;gap:9px;width:100%;border:1px solid transparent;
  background:transparent;padding:8px 9px;text-align:left;color:var(--ink);border-radius:9px;transition:.12s}
#catPanel .catbtn:hover{background:#fff;border-color:var(--line)}
#catPanel .catbtn.on{background:linear-gradient(135deg,#3a7afe,#2a54c8);color:#fff;border-color:transparent;
  box-shadow:0 3px 10px rgba(47,111,237,.32)}
#catPanel .catbtn img{width:22px;height:22px;object-fit:contain;flex:0 0 22px;border-radius:4px;
  background:#fff;padding:1px;border:1px solid var(--line)}
#catPanel .catbtn.on img{filter:none;background:#fff}
#catPanel .catbtn .ct{flex:1;min-width:0}
#catPanel .catbtn .ct b{display:block;font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#catPanel .catbtn .ct span{display:block;font-size:10.5px;color:var(--ink2)}
#catPanel .catbtn.on .ct span{color:#dbe6ff}
#catPanel .catbtn .cnt{font-size:10.5px;color:#8b95a3;background:#e6e9ee;border-radius:8px;padding:1px 7px;
  font-family:var(--mono)}
#catPanel .catbtn.on .cnt{background:rgba(255,255,255,.22);color:#fff}

/* ---------- 中：组件列表 ---------- */
#listPanel{display:flex;flex-direction:column;min-height:0;background:var(--panel);border-right:1px solid var(--line2)}
.listhead{flex:0 0 auto;padding:12px 14px 10px;border-bottom:1px solid var(--line)}
.listhead h2{margin:0;font-size:15px}
.listhead .ch{font-size:11.5px;color:var(--ink2);margin-top:2px}
.listbody{flex:1;overflow-y:auto;padding:8px}
.litem{display:flex;gap:9px;width:100%;border:0;background:transparent;border-radius:8px;padding:7px 9px;
  text-align:left;color:var(--ink);align-items:center}
.litem:hover{background:#eef3fb}
.litem.on{background:linear-gradient(90deg,#dfe9fb,#eef4fd);box-shadow:inset 0 0 0 1px #c7d8f5}
.litem img{width:26px;height:26px;object-fit:contain;flex:0 0 26px}
.litem .tx{min-width:0}
.litem .tx b{display:block;font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.litem .tx span{display:block;font-size:10.5px;color:var(--ink2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.litem .gd{flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:#34b26a;margin-left:auto}
.rescat{font-size:11px;color:#5b7499;padding:8px 10px 3px;font-weight:600;margin-top:4px}
.empty{margin:30px auto;color:var(--ink2);text-align:center;font-size:13px}

/* ---------- 右：详情 ---------- */
#detailPanel{overflow-y:auto;background:var(--panel);min-height:0;padding:22px 26px 60px}
.dhint{color:var(--ink2);font-size:13px;margin-top:16vh;text-align:center;line-height:2}
.dhint .big{font-size:44px;display:block;opacity:.35}
.dcard{max-width:860px;margin:0 auto}
.dhead{display:flex;gap:18px;align-items:flex-start}
.dicon{width:64px;height:64px;object-fit:contain;border:1px solid var(--line);border-radius:13px;
  background:#fff;padding:7px;box-shadow:var(--shadow);flex:0 0 64px}
.dhead h3{margin:0 0 4px;font-size:22px;line-height:1.3}
.dhead h3 small{color:var(--ink2);font-weight:400;font-size:13px;margin-left:4px}
.chip{display:inline-flex;align-items:center;gap:5px;font-size:11px;border-radius:20px;padding:2px 9px;font-weight:600}
.chip.b{background:#e4f2ea;color:#1e7a4a}
.chip.g{background:#f2f6fd;color:#2c5aa8;font-family:var(--mono)}
.dmeta{display:flex;gap:8px;margin-top:9px;flex-wrap:wrap;align-items:center}
.guidrow{display:flex;align-items:center;gap:8px;background:var(--panel2);border:1px dashed var(--line2);
  border-radius:8px;padding:5px 8px;max-width:100%}
.guidrow code{font:12px var(--mono);color:#33405a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.guidrow button{border:1px solid var(--line2);background:#fff;border-radius:6px;padding:3px 10px;
  font-size:11.5px;color:var(--ink2);white-space:nowrap}
.guidrow button:hover{border-color:var(--accent);color:var(--accent)}
.guidtip{font-size:11px;color:#8b95a3;margin:6px 0 0;line-height:1.6}
.desc{margin:16px 0 0;background:var(--panel2);border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:8px;padding:12px 15px;white-space:pre-wrap;line-height:1.8;font-size:13.5px}
.iolist{margin-top:20px;display:flex;flex-direction:column;gap:14px}
.iopart{border:1px solid var(--line);border-radius:10px;overflow:hidden}
.iopart h4{margin:0;padding:8px 13px;font-size:12.5px;display:flex;align-items:center;gap:8px}
.iopart h4 .dot{width:10px;height:10px;border-radius:50%}
.iopart.in h4{background:#eef8f1;color:#1e6b40}
.iopart.in h4 .dot{background:var(--in)}
.iopart.out h4{background:#fdf3e7;color:#9a5b13}
.iopart.out h4 .dot{background:var(--out)}
.iopart h4 em{font-style:normal;font-size:11px;color:#8b95a3;margin-left:auto}
.porow{display:flex;gap:10px;padding:8px 13px;border-top:1px solid var(--line);background:#fff;align-items:baseline}
.porow:first-of-type{border-top:0}
.porow .lab{flex:1;min-width:0;font-size:13px}
.porow .lab i{display:block;font-style:normal;font-size:11px;color:var(--ink2)}
.porow .pv{font:11.5px var(--mono);color:#33405a;background:#f4f6f9;border:1px solid var(--line);border-radius:6px;
  padding:3px 8px;white-space:nowrap}
.noio{color:var(--ink2);font-size:12.5px;padding:9px 13px;border-top:1px solid var(--line);background:#fff}
.catfoot{margin-top:18px;border-top:1px solid var(--line);padding-top:14px;display:flex;justify-content:space-between;
  align-items:center;gap:10px}
.catfoot .navbtn{border:1px solid var(--line2);background:#fff;border-radius:8px;padding:7px 13px;font-size:12.5px;color:var(--ink)}
.catfoot .navbtn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}
.catfoot .navbtn:disabled{opacity:.4;cursor:default}

#toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);background:#24303f;color:#fff;
  padding:9px 18px;border-radius:9px;font-size:13px;opacity:0;pointer-events:none;transition:.25s;z-index:60;
  box-shadow:0 8px 30px rgba(0,0,0,.3);max-width:70vw;text-align:center}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 搜索命中高亮 */
mark{background:#ffe9a8;color:inherit;border-radius:3px;padding:0 1px}

footer#footnote{flex:0 0 auto;font-size:11px;color:#98a2b0;background:#fbfcfd;border-top:1px solid var(--line);
  padding:6px 18px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
footer a{color:#5b86d9;text-decoration:none}

@media (max-width:1100px){
  #layout{grid-template-columns:150px 220px 1fr}
}
@media (max-width:900px){
  body{overflow:auto}
  #layout{grid-template-columns:1fr;grid-template-rows:auto auto}
  #detailPanel{min-height:70vh}
  .brand .sub,.stat{display:none}
}