:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#192c4a;background:#f2f6fb;color-scheme:light;line-height:1.6}
*{box-sizing:border-box}body{margin:0;min-height:100svh}button,input{font:inherit}button{cursor:pointer}a{color:#244fa2}button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid #244fa2;outline-offset:3px}
.login-shell{width:min(100%,480px);margin:auto;padding:clamp(32px,9vh,90px) 24px 24px}.identity{display:flex;align-items:center;gap:16px;margin-bottom:32px;font-size:13px;color:#5d6d86}.identity strong{font-size:20px;color:#192c4a}.seal{display:grid;place-items:center;width:54px;height:60px;border-radius:8px 8px 18px 8px;background:#244fa2;color:white;font:34px "Songti SC",serif}
.login-panel{background:#fff;border-top:3px solid #244fa2;border-radius:4px 4px 16px 16px;padding:32px}h1{font:600 30px/1.4 "Songti SC","STSong",serif;margin:0 0 8px}.intro{color:#5d6d86;margin:0 0 28px;font-size:14px}label{display:block;font-size:14px;font-weight:600;margin:18px 0 8px}input{width:100%;min-height:50px;border:1px solid #c8d5e6;border-radius:7px;padding:12px;background:#fff;color:#192c4a;font-size:16px}.password-field{position:relative}.password-field input{padding-right:64px}.password-field button{position:absolute;right:5px;top:4px;min-height:42px;border:0;background:none;color:#244fa2;padding:0 10px}.message{min-height:44px;margin:14px 0;font-size:13px;color:#5d6d86}.message.error{color:#a02d28}.submit{width:100%;min-height:50px;border:0;border-radius:7px;background:#244fa2;color:#fff;font-weight:600}.submit:hover{background:#193d80}.submit:disabled{opacity:.6;cursor:wait}.session-note{font-size:12px;color:#5d6d86;margin:20px 0 0}footer{text-align:center;font-size:12px;margin-top:26px}footer a{color:#5d6d86;text-decoration:none}
@media(max-width:400px){.login-shell{padding:28px 16px}.login-panel{padding:26px 22px}}