:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#eef1f5;background:#171d29}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 80% 10%,#344459 0,#171d29 45%)}
.login-shell{width:min(440px,calc(100% - 36px));margin:0 auto;padding:58px 0 28px}.brand{font:30px Georgia,serif;letter-spacing:.16em}.brand span{display:block;margin-top:8px;font:11px -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;letter-spacing:.3em;color:#a6b6c9}
.login-card{margin-top:92px;padding:36px;background:#f5f3ef;color:#1b2330;box-shadow:0 25px 70px #080d1980}.eyebrow{margin:0;color:#7589a4;font:12px Georgia,serif;letter-spacing:.16em}h1{margin:16px 0 8px;font-size:30px;font-weight:600}.intro{margin:0 0 31px;color:#66707d;font-size:14px}form{display:flex;flex-direction:column}label{font-size:13px;font-weight:600;margin-bottom:8px}input{width:100%;height:46px;margin-bottom:20px;padding:10px 12px;border:1px solid #c8d0d8;background:#fff;font:inherit;font-size:15px;color:#1b2330}input:focus{outline:2px solid #607895;outline-offset:1px}button{display:flex;justify-content:space-between;align-items:center;width:100%;height:49px;padding:0 17px;border:0;background:#202b3c;color:#fff;font:inherit;cursor:pointer}button:disabled{opacity:.5;cursor:wait}.message{min-height:20px;margin:13px 0 0;color:#9d3535;font-size:13px}.footnote{margin:38px 0;color:#91a0b3;text-align:center;font-size:12px;letter-spacing:.1em}
@media(max-width:480px){.login-shell{padding-top:38px}.login-card{margin-top:70px;padding:27px}}