:root{font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:#173e36;background:#f6f7ef;font-synthesis:none}*{box-sizing:border-box}body{margin:0}.gate{max-width:560px;margin:auto;padding:52px 28px 30px}.brand{font-size:23px;font-weight:750;text-decoration:none;color:inherit}.eyebrow{margin:55px 0 18px;font-size:13px;letter-spacing:3px;color:#75816d}h1{font-size:clamp(40px,9vw,56px);line-height:1.3;letter-spacing:-2px;margin:0 0 24px}.intro{font-size:17px;line-height:1.85;color:#6c7869;margin-bottom:30px}label{display:block;font-size:14px;margin-bottom:9px}input{font:inherit;font-size:18px;width:100%;padding:16px;border:1px solid #cdd2c4;border-radius:14px;background:#fff;outline-offset:4px}button{font:inherit;font-weight:700;width:100%;margin-top:14px;padding:17px;border:0;border-radius:14px;color:white;background:#173e36;cursor:pointer}button:disabled{opacity:.65;cursor:wait}input:focus-visible,button:focus-visible{outline:3px solid #93a98b}#message{min-height:24px;color:#9b3f32;font-size:14px;line-height:1.6}aside{border-top:1px solid #e0e4d7;margin-top:26px;padding-top:20px;font-size:13px;color:#73806b;line-height:1.8}aside p{margin:6px 0}footer{font-size:12px;color:#87907f;margin-top:26px}@media(max-width:430px){.gate{padding:30px 24px}.eyebrow{margin-top:36px}}