:root{color-scheme:light;--ink:#20352f;--muted:#72827c;--line:#dce5df;--green:#17634e;--paper:#f5f7f2;--white:#fff;--accent:#d7e7ab}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.65}main{max-width:720px;margin:auto;padding:24px 22px 12px}header,.brand,.section-title,.connection,.actions,.answer-meta{display:flex;align-items:center;gap:10px}header{justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line)}.mark{display:grid;place-items:center;background:var(--green);color:#fff;width:37px;height:37px;border-radius:12px 12px 12px 3px;font-family:serif;font-size:23px}.brand strong{display:block;font-size:17px;letter-spacing:1px}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:1px}.badge{border:1px solid #bdcda8;border-radius:20px;padding:2px 9px;font-size:11px;color:#566d3a}#notice{margin:15px 0;font-size:12px;color:var(--muted);min-height:20px}#notice.error{padding:10px;border-left:3px solid #ba6039;background:#fff1e8;color:#883d26}h1{font-size:30px;font-weight:600;line-height:1.45;letter-spacing:-1px;margin:12px 0 16px}h2{font-size:19px;margin:18px 0}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--green);margin:25px 0 0}.muted{color:var(--muted)}.hint{color:var(--muted);font-size:11px}.primary{background:var(--green);color:white;border-color:var(--green)}button,.link-button{border:1px solid var(--line);border-radius:9px;padding:11px 14px;font:inherit;line-height:1.3;cursor:pointer;background:white;color:var(--ink);transition:background .15s}button.primary,.link-button.primary{background:var(--green);color:white;border-color:var(--green)}button:hover{filter:brightness(.97)}button:disabled{opacity:.45;cursor:default}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid #65a386;outline-offset:3px}.link-button{display:block;text-align:center;text-decoration:none;margin:24px 0}.quiet{border:0;background:none;padding:4px;color:var(--green);font-size:12px}.connection{font-size:12px}.connection #accountButton{margin-left:auto}.dot{width:7px;height:7px;border-radius:50%;background:#549775}.context{font-size:11px;color:var(--muted);margin:10px 0 18px;padding:9px 12px;border:1px dashed #c9d8ce;border-radius:8px}nav{display:flex;gap:20px;border-bottom:1px solid var(--line);margin-bottom:24px}.tab{border:0;border-radius:0;background:none;padding:9px 0;font-size:13px;color:var(--muted)}.tab.selected{color:var(--green);border-bottom:2px solid var(--green);font-weight:600}.section-title{justify-content:space-between;margin:20px 0 10px}.section-title label{font-weight:600}.step{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#e7eddf;color:var(--green);font-size:10px;margin-right:8px}label{display:block;margin:8px 0}textarea,input,select{font:inherit;color:var(--ink);width:100%;background:white;border:1px solid var(--line);border-radius:10px;padding:13px;outline:none}textarea{resize:vertical;line-height:1.8}textarea:disabled{background:#f0f2ee}input{margin-bottom:8px}select{padding:9px;font-size:12px}form button{width:100%;margin-top:15px}.wide{width:100%;display:flex;justify-content:space-between;margin-top:10px}.answer-meta{justify-content:space-between;color:var(--muted);font-size:10px;margin:5px 0 14px}details{margin:16px 0;color:var(--muted);font-size:12px}summary{cursor:pointer}pre{white-space:pre-wrap;word-break:break-word;font:inherit;margin:8px 0;background:white;border-left:2px solid var(--accent);padding:12px;color:var(--ink)}.actions{position:sticky;bottom:0;background:var(--paper);padding:12px 0}.actions #send{flex:1}.item{display:block;width:100%;text-align:left;margin:9px 0;padding:14px;background:white;border:1px solid var(--line);border-radius:9px}.item small{display:block;color:var(--muted);font-size:10px;margin-top:5px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.metric{border-top:2px solid var(--green);padding:13px 3px}.metric b{display:block;font-size:25px;font-weight:500}.metric span{font-size:10px;color:var(--muted)}footer{border-top:1px solid var(--line);margin-top:32px;padding:15px 0;color:#8e9b93;font-size:10px;letter-spacing:2px;text-align:center}[hidden]{display:none!important}#account button{display:block;margin:12px 0}@media(max-width:400px){main{padding:18px 16px 8px}h1{font-size:27px}.actions button{font-size:12px;padding:12px 10px}nav{gap:18px}}@media(prefers-reduced-motion:no-preference){section{animation:enter .25s ease-out}@keyframes enter{from{opacity:.5;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}