:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#243331;background:#f5f4ef;line-height:1.6}*{box-sizing:border-box}body{margin:0;padding:32px 18px}main{max-width:460px;margin:0 auto;background:#fff;padding:28px;border:1px solid #e0e5df;border-radius:18px}.brand{margin:0;color:#37604f;font-weight:700;font-size:19px}h1{font-size:24px;line-height:1.4;margin:16px 0 8px}header p:last-child{color:#67726d;font-size:14px}label{display:block;font-size:14px;font-weight:600;margin:20px 0 6px}input{width:100%;height:48px;border:1px solid #b9c4bc;border-radius:8px;padding:10px 12px;font:inherit;font-size:16px}input:focus{outline:2px solid #37604f;outline-offset:2px}button{width:100%;padding:12px;background:#37604f;color:#fff;border:1px solid #37604f;border-radius:8px;font:inherit;font-weight:600;cursor:pointer;margin-top:16px;min-height:48px}button:focus-visible{outline:3px solid #7f9d8f;outline-offset:3px}button:disabled{opacity:.55;cursor:wait}.secondary{background:#edf3ef;color:#37604f}.captcha-row{display:flex;gap:10px;align-items:center}.captcha-row input{min-width:0;flex:1}.captcha-row button{padding:0;margin:0;width:160px;height:52px;background:white;flex-shrink:0}.captcha-row img{width:100%;height:100%;object-fit:contain}#result{min-height:30px;font-size:14px;color:#375642}aside{margin-top:22px;padding:14px;background:#faf5e9;border-radius:8px;font-size:13px;color:#715b2e}aside p{margin:4px 0 0}footer{margin-top:24px;color:#76817a;font-size:11px;text-align:center}@media(max-width:360px){main{padding:20px}.captcha-row button{width:125px}body{padding:18px 12px}}