body{color:#111;background:#fff;margin:0;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.5}main{max-width:960px;margin:0 auto;padding:24px}section{border-top:1px solid #ddd;margin:24px 0;padding-top:16px}label{margin:12px 0 4px;font-weight:600;display:block}input,textarea{width:100%;max-width:720px;font:inherit;border:1px solid #aaa;padding:8px}textarea{min-height:96px}button{color:#111;background:#fff;border:1px solid #222;margin:12px 8px 0 0;padding:8px 12px}button[aria-pressed=true]{color:#fff;background:#111}li{margin-bottom:20px}a{color:#0645ad}fieldset{border:1px solid #bbb;max-width:760px;margin:16px 0 0}.choice{align-items:baseline;gap:8px;font-weight:400;display:flex}.choice input{width:auto}