:root{
  --bg:#f6f2e8; --paper:#fffdf8; --ink:#202020; --muted:#68645c; --line:#d7cebe;
  --blue:#2458d8; --blue2:#e8eefc; --green:#17734c; --green2:#e4f2ea; --amber:#b76518; --amber2:#fff0df;
  --purple:#6a3bb8; --purple2:#f0e8fb; --red:#a53a30; --red2:#fae7e4; --gray:#efebe2;
}
*{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;}
.hero{max-width:1240px;margin:0 auto;padding:26px 18px 18px;display:flex;gap:18px;align-items:flex-end;justify-content:space-between;border-bottom:2px solid var(--ink)}
.eyebrow{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin:0 0 6px}.hero h1{font-size:30px;margin:0 0 8px;line-height:1.2}.subtitle{max-width:850px;color:var(--muted);font-size:14px;line-height:1.7;margin:0}.hero-card{min-width:260px;border:1px solid var(--ink);background:var(--paper);padding:10px 12px;font-size:12px}.hero-card div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:5px 0}.hero-card div:last-child{border-bottom:0}.hero-card span{color:var(--muted)}
.tabs{max-width:1240px;margin:0 auto;padding:10px 18px;display:flex;gap:6px;flex-wrap:wrap;position:sticky;top:0;z-index:9;background:rgba(246,242,232,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.tab{border:1px solid var(--line);background:var(--gray);color:var(--muted);padding:8px 10px;border-radius:3px;cursor:pointer;font-size:12px}.tab.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}
main{max-width:1240px;margin:0 auto;padding:16px 18px 70px}.panel{display:none}.panel.active{display:block}.grid{display:grid;gap:14px}.grid.two{grid-template-columns:1fr 1fr}.workgrid{align-items:start}.stack{display:flex;flex-direction:column;gap:14px}.card{background:var(--paper);border:1px solid var(--line);border-radius:7px;padding:15px;margin-bottom:14px}.compact{padding:13px}.card h2{font-size:17px;margin:0 0 10px}.card h3{font-size:14px;margin:0 0 9px}.card p,li{font-size:13px;line-height:1.68}.card-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.badge{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11px;background:var(--ink);color:var(--bg);padding:5px 8px;border-radius:99px;white-space:nowrap}
.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:12px}th,td{border:1px solid var(--line);padding:8px 9px;text-align:left;vertical-align:top;line-height:1.5}th{background:#ebe5d8;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:10.5px;color:#333}.mini-card{border:1px solid var(--line);background:#fff;padding:10px;border-radius:5px;margin:8px 0}.mini-card b{display:block;font-size:13px}.mini-card span{display:block;color:var(--muted);font-size:12px;line-height:1.55;margin-top:4px}.callout{border-left:5px solid var(--green);background:var(--green2);padding:11px 13px;margin:10px 0 14px;font-size:13px;line-height:1.65}.callout.blue{border-left-color:var(--blue);background:var(--blue2)}.callout.amber{border-left-color:var(--amber);background:var(--amber2)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}label{display:block;font-size:12px;font-weight:650;margin:9px 0 6px;color:#333}input,select,textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:4px;padding:9px 10px;font:inherit;font-size:13px}textarea{min-height:88px;resize:vertical}.button-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.button-row.tight{gap:6px}.btn{border:1px solid var(--ink);border-radius:4px;background:#fff;color:var(--ink);padding:8px 10px;font-size:12px;cursor:pointer}.btn.primary{background:var(--ink);color:var(--bg)}.btn.secondary{background:var(--gray);border-color:var(--line)}.btn.ghost{background:#fff}.btn.danger{background:var(--red2);border-color:var(--red);color:var(--red)}.file-label input{display:none}
.gate-list{display:flex;flex-direction:column;gap:6px}.gate{display:flex;justify-content:space-between;gap:8px;align-items:center;padding:8px 10px;border:1px solid var(--line);border-radius:5px;background:#fff;font-size:12px}.gate b{font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--muted)}.gate.pass{background:var(--green2);border-color:var(--green)}.gate.pass b{color:var(--green)}.output-box{white-space:pre-wrap;background:#fff;border:1px solid var(--line);border-radius:5px;padding:11px;min-height:160px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;line-height:1.6}.code{white-space:pre-wrap;background:#22201c;color:#eee7d8;border-radius:6px;padding:13px;overflow:auto;font-size:11.5px;line-height:1.55}
.loop-grid{display:grid;grid-template-columns:1fr;gap:12px}.loop-card{border:1px solid var(--line);background:#fff;border-radius:7px;padding:13px}.loop-title{display:flex;gap:10px;align-items:center;margin-bottom:10px}.loop-title span{width:30px;height:30px;background:var(--ink);color:var(--bg);border-radius:50%;display:grid;place-items:center;font-family:ui-monospace,Menlo,Consolas,monospace}.loop-title b{display:block}.loop-title small{display:block;color:var(--muted);font-size:11px}.flowline{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:8px 0 11px}.flowline span{font-size:11.5px;border:1px solid var(--line);background:var(--gray);border-radius:4px;padding:6px 8px}.flowline i{color:var(--muted);font-style:normal}.layer-stack{display:flex;flex-direction:column;gap:9px}.arch-layer{border-left:5px solid var(--blue);background:#fff;border:1px solid var(--line);border-left-width:5px;border-radius:5px;padding:11px}.arch-layer strong{font-size:14px}.arch-layer p{margin:5px 0;color:#333}.arch-layer small{color:var(--muted);line-height:1.5}
.ablation-switch{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.abtn{text-align:left;border:2px solid var(--line);background:#fff;border-radius:6px;padding:10px;cursor:pointer}.abtn.on{border-color:var(--green);background:var(--green2)}.abtn b{display:block}.abtn span{font-size:11px;color:var(--muted);line-height:1.4}.current-box{border:1px solid var(--ink);background:#fff;border-radius:5px;padding:12px;margin-top:10px}.current-box p{margin:5px 0 0;color:var(--muted)}.mini-bars{height:150px;display:flex;align-items:end;gap:14px;background:#fff;border-left:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px;margin-top:12px}.bar-wrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;font-size:11px}.bar{width:54%;background:linear-gradient(180deg,#2458d8,#a4b7f0);border:1px solid #1f46aa;border-bottom:0}.bar-wrap span{font-family:ui-monospace,Menlo,Consolas,monospace}.bar-wrap small{margin-top:5px;color:var(--muted);text-align:center}.skill{border:1px solid var(--line);background:#fff;border-radius:5px;padding:10px;margin:8px 0}.skill b{display:block}.skill span{display:block;color:var(--muted);font-size:12px;margin-top:3px}.skill p{margin:5px 0}.skill em{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:10px;color:var(--green);font-style:normal}.footer{max-width:1240px;margin:0 auto 40px;padding:12px 18px;color:var(--muted);font-size:11px;border-top:1px solid var(--line)}
@media(max-width:900px){.hero{display:block}.hero-card{margin-top:12px}.grid.two,.form-grid{grid-template-columns:1fr}.ablation-switch{grid-template-columns:1fr}.tabs{position:static}.mini-bars{height:auto;display:block;border:1px solid var(--line);padding:8px}.bar-wrap{height:auto;display:grid;grid-template-columns:50px 1fr 96px;gap:8px;align-items:center;margin:8px 0}.bar{height:15px!important;width:auto}.bar-wrap small{text-align:left;margin:0}}