:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#222733;background:#fff;font-synthesis:none}
*{box-sizing:border-box}
body{margin:0;min-height:100dvh;display:flex;flex-direction:column;background:radial-gradient(ellipse at 50% 22%,#f5f7ff 0,transparent 55%),#fff}
.login-brand{display:flex;align-items:center;gap:10px;padding:28px 36px;font-size:18px;font-weight:650}
.brand-mark{display:grid;place-items:center;width:33px;height:33px;color:#4265ed;background:#eef2ff;border:1px solid #e0e7ff;border-radius:10px;font-size:17px}
.brand-divider{margin:0 12px;color:#d1d5df;font-weight:400}
.brand-subtitle{font-size:14px;font-weight:400;color:#747b89}
main{flex:1;display:flex;align-items:center;justify-content:center;padding:24px 24px 64px}
.login-panel{width:400px;max-width:100%;padding:30px 12px}
.welcome-mark{display:grid;place-items:center;width:54px;height:54px;border:1px solid #e1e7ff;background:#eef2ff;color:#4668ed;border-radius:17px;margin-bottom:23px}
.welcome-mark svg{width:32px;height:32px}
h1{font-size:30px;line-height:1.3;letter-spacing:-.6px;margin:0 0 10px;font-weight:650}
.welcome-caption{color:#818795;font-size:14px;line-height:1.6;margin:0 0 32px}
form{display:flex;flex-direction:column;margin:0;width:100%}
label{font-size:13px;font-weight:550;color:#484f5c;margin-bottom:8px}
input{width:100%;height:48px;border:1px solid #e0e3eb;border-radius:10px;padding:0 14px;background:#fff;color:#282e3a;font:inherit;font-size:14px;transition:border-color .15s,box-shadow .15s;outline:none}
input::placeholder{color:#a9afba}
input:focus{border-color:#8099f8;box-shadow:0 0 0 3px #4166ef0e}
#account{margin-bottom:21px}
.password-field{position:relative}
.password-field input{padding-right:48px}
button{font:inherit;cursor:pointer}
#show-password{position:absolute;right:8px;top:7px;width:34px;height:34px;border:0;border-radius:7px;background:transparent;color:#949ba7;display:grid;place-items:center}
#show-password:hover{background:#f2f4f9;color:#5267a1}
.form-message{min-height:22px;line-height:1.5;margin:10px 0 10px;color:#c74646;font-size:12px}
.login-submit{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 17px;border:1px solid #4166ef;border-radius:10px;background:#4166ef;color:white;font-size:14px;font-weight:550;box-shadow:0 4px 10px #4166ef17}
.login-submit:hover{background:#365bdf}
.login-submit:disabled{opacity:.65;cursor:wait}
.account-help{color:#9298a3;text-align:center;font-size:12px;margin:25px 0 0;line-height:1.7}
footer{display:flex;gap:7px;justify-content:center;align-items:center;color:#a3a8b1;font-size:11px;padding:20px 20px 25px}
.demo-dot{width:5px;height:5px;border-radius:50%;background:#9eacd2}
.footer-divider{margin:0 3px;color:#c1c6ce}
:focus-visible{outline:2px solid #8ca2f7;outline-offset:3px}
@media(max-width:480px){.login-brand{padding:22px}.brand-subtitle{font-size:12px}.brand-divider{margin:0 8px}main{padding:10px 24px 30px}.login-panel{padding:20px 0}h1{font-size:28px}}
@media(prefers-reduced-motion:reduce){input{transition:none}}