:root{font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;color:#21332e;background:#f4f7f5;font-size:16px}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}header,footer{max-width:1020px;margin:auto;padding:24px 32px;display:flex;justify-content:space-between;align-items:center}.brand{font-size:22px;font-weight:800;color:#12654c}.brand span{font-size:14px;color:#53665e;margin-left:12px}.badge{font-size:12px;background:#e2eee7;border-radius:20px;padding:6px 12px}main{max-width:920px;margin:24px auto 60px;padding:0 28px}#login{max-width:620px;margin:70px auto}h1{font-size:34px;letter-spacing:-1px;margin:8px 0 20px}h2{font-size:22px;margin-top:38px}h3{font-size:18px}.eyebrow{color:#137454;font-size:13px;font-weight:600;letter-spacing:2px}.intro{line-height:1.9;color:#53665e}.notice{font-size:13px;color:#64756c;line-height:1.8}.dataset{padding:14px 18px;background:#e6eee9;border-radius:12px}form,.record{padding:24px;border:1px solid #dce5df;border-radius:16px;background:white;margin-top:20px}label{display:block;font-size:14px;font-weight:600;margin:12px 0 8px}input,textarea,select{width:100%;padding:12px;border:1px solid #cbd8cf;border-radius:8px;font:inherit;background:white;color:inherit}textarea{resize:vertical}button{background:#156a50;color:white;border:0;border-radius:8px;padding:12px 22px;font:inherit;font-weight:600;cursor:pointer}button:disabled{opacity:.5;cursor:wait}#login button{width:100%;margin-top:16px}.secondary{background:white;color:#53665e;border:1px solid #cedbd3}.workspace-head,.ask-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px}.ask-bottom{margin-top:16px}.ask-bottom span,.meta{font-size:12px;color:#718176}.answer{white-space:pre-wrap;line-height:1.9;overflow-wrap:anywhere}details{margin:12px 0;background:#f4f7f5;border-radius:8px;padding:12px}summary{cursor:pointer;font-size:14px;color:#156a50}pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;font-size:13px;line-height:1.7}.feedback{background:#f8faf8;border-radius:10px;padding:16px;margin-top:22px}.feedback textarea{margin-top:10px}.feedback button{margin-top:12px}.feedback span{font-size:13px;color:#137454}#error{color:#b73535;white-space:pre-wrap}#progress{color:#137454}footer{font-size:12px;color:#829086;border-top:1px solid #dce5df}footer span{margin-left:20px}@media(max-width:600px){header,footer{padding:18px}.brand span{display:none}main{padding:0 16px;margin-top:16px}h1{font-size:26px}#login{margin:36px auto}.record,form{padding:16px}.workspace-head{align-items:flex-start}.ask-bottom span{max-width:150px}footer{display:block;line-height:2}footer span{display:block;margin:0}}
.chat-tools{display:flex;gap:16px;align-items:end}.chat-tools>div{flex:1;min-width:0}.chat-tools button{flex-shrink:0}#image-preview{display:flex;align-items:center;gap:16px;margin-top:12px}#preview{max-width:240px;max-height:180px;object-fit:contain;border-radius:8px}.image-evidence{border-left:3px solid #156a50}.record h3{padding:12px 16px;background:#e6eee9;border-radius:8px;white-space:pre-wrap;overflow-wrap:anywhere}#history:empty{display:none}@media(max-width:600px){#preview{max-width:160px}.chat-tools{gap:8px}.chat-tools button{padding:12px}#image-preview{flex-wrap:wrap}}