:root{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;color:#17314b;background:#f1f5f9;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(circle at 75% 15%,#dcecf5 0,transparent 38%),#f1f5f9}
header,main,footer{width:min(100%,1280px);margin-inline:auto}header{min-height:90px;padding:24px 40px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:12px;color:#17314b;text-decoration:none;font-size:18px;font-weight:650;letter-spacing:.12em}.brand img{display:block}header>span,.eyebrow{font-size:11px;font-weight:700;letter-spacing:.18em;color:#527d97}
main{flex:1;display:grid;place-items:center;padding:36px 24px 90px}.login-card{width:min(100%,440px);padding:44px;background:#fff;border:1px solid #e0eaf0;border-radius:20px;box-shadow:0 18px 60px rgba(24,64,92,.07)}
.eyebrow{margin:0 0 15px}h1{margin:0;font-size:clamp(31px,4vw,40px);line-height:1.25;letter-spacing:-.05em}.intro{margin:15px 0 35px;color:#60798e;font-size:14px;line-height:1.7}
label{display:block;margin-bottom:9px;font-size:13px;font-weight:600}input{display:block;width:100%;height:48px;padding:0 14px;border:1px solid #cbdce7;border-radius:9px;background:#f8fbfd;color:#17314b;font:inherit;font-size:15px;outline:none}input:focus{border-color:#367797;box-shadow:0 0 0 3px #36779720}
button{display:flex;align-items:center;justify-content:space-between;width:100%;margin-top:22px;padding:14px 18px;border:0;border-radius:9px;background:#246b90;color:#fff;font:inherit;font-size:14px;font-weight:650;cursor:pointer}button:hover{background:#1b5878}button:focus-visible{outline:3px solid #86b4ce;outline-offset:2px}
.login-alert{padding:11px 13px;margin:0 0 22px;border-radius:8px;background:#fff0ef;color:#9e3e37;font-size:13px}footer{padding:0 40px 28px;color:#8298a8;font-size:12px}
@media(max-width:600px){header{min-height:74px;padding:20px 24px}header>span{display:none}main{place-items:start center;padding:8vh 20px 70px}.login-card{padding:30px 25px}footer{padding:0 24px 24px}}