:root{font-family:Inter,"Noto Sans SC","Microsoft YaHei",sans-serif;color:#242424;background:#f8f7f4;font-size:17px}*{box-sizing:border-box}body{margin:0}header{height:84px;border-bottom:1px solid #deddd7;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;background:#fff}header strong{font-size:22px;letter-spacing:-.6px}header span{display:block;font-size:10px;letter-spacing:2px;color:#777;margin-top:5px}button,input,textarea{font:inherit}button{cursor:pointer;border:1px solid #d3d1c9;background:white;border-radius:8px;padding:10px 16px;color:#242424}button:disabled{opacity:.45;cursor:wait}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #5a6952;outline-offset:3px}input,textarea{border:1px solid #d3d1c9;border-radius:8px;background:white;padding:13px;width:100%;color:#242424}main{max-width:1000px;margin:auto;padding:30px}#login{max-width:460px;margin:10vh auto}.eyebrow{font-size:11px;letter-spacing:2px;color:#777}h1{font-weight:500;letter-spacing:-1px}#login h1{font-size:34px}#login>p{color:#74746d;line-height:1.7}#loginForm{display:grid;gap:14px;margin-top:35px}#loginForm button,#send{background:#27342c;color:white;border-color:#27342c}label{font-size:14px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px}.toolbar h1{font-size:29px;margin:0}.toolbar p{font-size:13px;color:#777}.toolbar form{display:flex;gap:8px;max-width:550px}.toolbar input{min-width:100px}.toolbar button{font-size:12px;white-space:nowrap}#messages{min-height:30vh;padding:25px 0}.message{margin:0 0 24px;line-height:1.85;white-space:pre-wrap;overflow-wrap:anywhere}.message .meta{font-size:11px;color:#84837b;letter-spacing:.5px;margin-bottom:6px}.message.user{background:#eeede7;padding:16px 20px;border-radius:12px;margin-left:10%}.message.assistant{padding:10px 20px;margin-right:5%}#compose{position:sticky;bottom:12px;background:#fff;padding:14px;border:1px solid #deddd7;border-radius:14px;box-shadow:0 8px 30px #00000008}#compose textarea{resize:vertical;border:0;min-height:90px;max-height:30vh}.composeFoot{display:flex;justify-content:space-between;align-items:center;gap:10px}.composeFoot span{font-size:12px;color:#888}#notice,#loginNotice{font-size:14px;color:#765029;white-space:pre-wrap;line-height:1.6}footer{text-align:center;padding:18px;font-size:11px;color:#999}.sr-only{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden}[hidden]{display:none!important}@media(max-width:650px){:root{font-size:16px}header{height:72px;padding:0 20px}header strong{font-size:20px}nav button{font-size:12px;padding:7px}main{padding:20px 14px}.toolbar{display:block}.toolbar form{margin-top:18px}.toolbar button{padding:8px}#login{margin:7vh 8px}#login h1{font-size:29px}.message.user{margin-left:5%}.message.assistant{padding:10px 5px}.composeFoot span{max-width:190px}}