:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#1b302b;--muted:#64746d;--line:#dce3db;--paper:#f5f6f0;--accent:#206b52}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);margin:0;font-family:system-ui,-apple-system,Segoe UI,Microsoft YaHei,sans-serif;line-height:1.65}header{border-bottom:1px solid var(--line);background:#fbfcf7;justify-content:space-between;align-items:center;padding:24px 5vw;display:flex}.brand{letter-spacing:2px;color:var(--ink);font-size:27px;font-weight:750;text-decoration:none}.brand span{letter-spacing:2.6px;font-size:9px;font-weight:500;display:block}.phase,.eyebrow{letter-spacing:1.7px;color:var(--muted);font-size:11px}main{max-width:1250px;margin:auto;padding:44px 40px}.intro h1{letter-spacing:-1px;margin:14px 0;font-size:clamp(30px,4vw,46px);line-height:1.35}.intro>p:not(.eyebrow){color:var(--muted)}.notice{background:#edf2e4;border:1px solid #d9e3c9;max-width:850px;margin:25px 0 38px;padding:12px 16px;font-size:13px}.workspace{grid-template-columns:290px minmax(0,1fr);gap:35px;display:grid}.panel{border:1px solid var(--line);background:#fbfcf7;border-radius:9px;margin-bottom:20px;padding:23px}h2{margin:0 0 18px;font-size:19px;font-weight:650}label{margin:15px 0 6px;font-size:13px;font-weight:600;display:block}small{color:var(--muted);font-size:10px;font-weight:400}input,textarea{width:100%;font:inherit;color:var(--ink);background:#fff;border:1px solid #d1dad2;border-radius:5px;padding:10px;font-size:14px}textarea{resize:vertical}input:focus,textarea:focus{outline-offset:1px;outline:2px solid #b4d0bd}button{background:var(--accent);color:#fff;font:inherit;cursor:pointer;border:0;border-radius:5px;padding:11px 17px;font-size:13px}button:hover{filter:brightness(.94)}button:disabled{opacity:.6;cursor:wait}.secondary{width:100%;color:var(--ink);background:#e8eee5;margin-top:18px}.results>form>label{margin-top:0;font-size:18px}.searchbar{gap:10px;display:flex}.searchbar input{flex:1;min-width:0;padding:14px}.searchbar button{white-space:nowrap}.topics{flex-wrap:wrap;gap:8px;margin:12px 0;display:flex}.topic{border:1px solid var(--line);color:var(--muted);background:0 0;padding:4px 10px;font-size:12px}.result-heading{justify-content:space-between;align-items:center;margin:25px 0 15px;display:flex}.result-heading h2{margin:0}.result-heading span,.footnote,footer{color:var(--muted);font-size:12px}.card{border:1px solid var(--line);background:#fff;border-radius:8px;margin:15px 0;padding:22px}.card-meta{color:var(--muted);letter-spacing:.5px;flex-wrap:wrap;gap:12px;font-size:11px;display:flex}.card h3{margin:12px 0 8px;font-size:19px}.card h3 a{color:var(--ink);text-decoration:none}.card h3 a:hover{text-decoration:underline}.card p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px}.feedback{border-top:1px solid var(--line);gap:8px;padding-top:14px;display:flex}.feedback button{color:var(--muted);background:#f1f5ee;padding:6px 12px;font-size:12px}.feedback button.selected{background:var(--accent);color:#fff}.empty{text-align:center;color:var(--muted);border:1px dashed #cdd8cb;border-radius:8px;padding:55px 25px}.empty span{color:#7e9c84;font-size:36px}.empty h3{color:var(--ink);font-size:17px}.empty p{font-size:13px}.activity ul{color:var(--muted);padding:0;font-size:12px;list-style:none}.activity li{border-bottom:1px solid var(--line);padding:8px 0}.activity time{font-size:10px;display:block}.footnote{margin-top:24px}#status{min-height:22px;color:var(--accent);font-size:13px}#status.error{color:#a13d2c}footer{border-top:1px solid var(--line);padding:20px 5vw}.eyebrow{margin-top:0}@media (width<=800px){main{padding:28px 20px}.workspace{grid-template-columns:1fr}.phase{font-size:9px}.intro h1{font-size:32px}.searchbar{flex-wrap:wrap}.searchbar button{width:100%}.activity{display:none}}@media (width>=601px) and (width<=1024px){.workspace{grid-template-columns:230px minmax(0,1fr);gap:20px}main{padding:30px 24px}.panel{padding:18px}.activity{display:block}.searchbar{flex-wrap:wrap}.searchbar button{width:100%}}@media (width<=600px){.workspace{grid-template-columns:minmax(0,1fr);grid-template-areas:"results""context"}.results{grid-area:results}aside{grid-area:context}.activity{display:block}header{padding:18px 20px}.brand span{font-size:8px}.phase{text-align:right;max-width:100px}.intro h1{font-size:29px}.card{padding:18px}.feedback button{flex:1;min-height:44px}.searchbar input,input,textarea{font-size:16px}button{min-height:44px}main{padding-bottom:calc(24px + env(safe-area-inset-bottom))}}select{width:100%;min-height:44px;font:inherit;color:var(--ink);border:1px solid var(--line);background:#fff;border-radius:5px;padding:10px;font-size:16px}.source-status{color:var(--muted);padding:0;font-size:12px;list-style:none}.source-status li{margin:6px 0}.discovery{color:var(--accent);font-size:12px}details>summary{cursor:pointer;padding:8px 0;font-weight:600}.toggle{align-items:center;gap:8px;display:flex}.toggle input{width:auto}.model-actions{flex-wrap:wrap;gap:8px;display:flex}#model-status{overflow-wrap:anywhere;font-size:.85rem}#model-form input{min-width:0}