:root{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:#233c49;background:#f2f3ee;font-size:14px;--teal:#216f6c;--line:#dce2dc}*{box-sizing:border-box}body{margin:0;min-width:1100px}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,textarea,summary{outline-offset:3px}button{border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:7px;cursor:pointer}button:hover{background:#eaf2ee}button:disabled{cursor:default;opacity:.45}a{color:var(--teal);text-decoration:none}header{height:66px;display:flex;align-items:center;gap:30px;padding:0 24px;border-bottom:1px solid var(--line);background:#fff}header>span{color:#7b8785}header nav{margin-left:auto;display:flex;gap:22px}.brand{font-size:21px;color:#173b4a}.workspace{display:grid;grid-template-columns:220px minmax(400px,1fr) 330px;height:calc(100dvh - 66px);min-height:480px}.tasks{padding:20px 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p{font-size:12px;color:#72827d;margin:0}.eyebrow{font-size:12px;letter-spacing:1px;color:#3a8179}.tools{position:relative;white-space:nowrap;font-size:12px}.tools nav{position:absolute;right:0;top:30px;z-index:5;background:white;border:1px solid var(--line);padding:12px;box-shadow:0 8px 25px #142e4720;min-width:180px}.tools a{display:block;padding:8px}.steps{display:flex;background:#e6ebe5;padding:4px;border-radius:9px;gap:4px}.steps button{flex:1;border:0;background:transparent;font-size:13px}.steps button[aria-selected=true]{background:white;color:var(--teal);box-shadow:0 1px 3px #0001}.canvas-tools{display:flex;justify-content:space-between;align-items:center;font-size:12px}.canvas-tools button{padding:5px 9px}#canvas{flex:1;min-height:160px;border:1px solid var(--line);border-radius:10px;background-color:#fcfdf9;background-image:radial-gradient(#d8e0d8 .6px,transparent .6px);background-size:18px 18px;overflow:auto;position:relative}#canvas svg{display:block;width:100%;height:100%;min-height:160px}#canvas svg path,#canvas svg polyline,#canvas svg polygon{vector-effect:non-scaling-stroke}#canvas svg [data-object]{cursor:pointer}#canvas svg [data-object]:hover{stroke:#df9137;stroke-width:4}.empty{height:100%;display:grid;align-content:center;justify-content:center;text-align:center;gap:12px;color:#7e908b}.metrics{font-size:12px;line-height:1.7;color:#5c7372;max-height:55px;overflow:auto}footer{display:flex;align-items:center;gap:14px;border-top:1px solid var(--line);padding-top:10px}#status{flex:1;font-size:12px;line-height:1.6}footer button{flex-shrink:0}.primary{background:var(--teal);color:#fff;border-color:var(--teal)}.primary:hover{background:#185855}.assistant{background:#fff;border-left:1px solid var(--line);padding:22px 18px;overflow:auto;min-height:0}.assistant label{display:block;font-size:12px;font-weight:600;margin:12px 0 7px}input:not([type=checkbox]),select,textarea{display:block;width:100%;margin-top:6px;padding:9px 10px;border:1px solid #ced9d3;border-radius:7px;background:#fff}textarea{resize:vertical;min-height:85px}.assistant .check{display:flex;gap:8px;font-weight:400;align-items:flex-start;line-height:1.7}.check input{margin-top:4px;flex-shrink:0}.tip{padding:10px;background:#eef4ec;color:#576d5b;border-radius:7px;font-size:12px;line-height:1.6;margin:10px 0}.chips{display:flex;flex-wrap:wrap;gap:5px}.chips button{font-size:11px;padding:5px 7px;background:#f4f6f2}#ask,#nest{width:100%;margin:8px 0}.two{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}.assistant details{border-top:1px solid var(--line);padding:14px 0}.assistant summary{cursor:pointer;font-size:13px}#answer{font-size:13px;line-height:1.7}#answer ul{padding-left:20px}#history button{display:block;width:100%;text-align:left;margin-top:6px;font-size:12px}#questions{padding-left:18px;line-height:1.8;font-size:12px}[hidden]{display:none!important}.login-panel{max-width:520px;margin:90px auto;background:#fff;border:1px solid var(--line);border-radius:12px;padding:34px 30px;text-align:center;box-shadow:0 10px 30px #142e4715}.login-button{display:inline-block;padding:11px 26px;margin:10px 0;font-size:14px}@media(min-width:1650px){.workspace{grid-template-columns:245px minmax(600px,1fr) 380px}main{padding:24px}}@media(max-height:760px){main{padding:12px}.context h1{font-size:18px}header{height:54px}.workspace{height:calc(100dvh - 54px)}.assistant{padding:14px}}
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