:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#20324b;background:#f3f7fc;font-synthesis:none;color-scheme:light}*{box-sizing:border-box}body{min-height:100dvh;margin:0;display:grid;place-items:center;padding:28px 18px;background:radial-gradient(ellipse at 20% 10%,#e5efff,transparent 60%),#f3f7fc}.login-card{width:min(100%,440px);padding:40px 36px;background:white;border:1px solid #dfe8f3;border-radius:24px;box-shadow:0 16px 60px #234e8510}.brand{display:block;margin-bottom:24px}.eyebrow{font-size:13px;color:#2563d9;letter-spacing:.08em;margin:0 0 10px}h1{font-size:25px;line-height:1.45;margin:0;font-weight:650}.intro{font-size:14px;color:#64758b;line-height:1.7;margin:12px 0 30px}label{display:block;font-weight:600;font-size:14px;margin-bottom:10px}.key-field{display:flex;border:1px solid #ccd9e9;border-radius:12px;overflow:hidden;background:#fff}.key-field:focus-within{outline:3px solid #2563d926;border-color:#2563d9}input{width:100%;min-width:0;border:0;padding:15px 14px;font:inherit;font-size:16px;outline:none}button{font:inherit;cursor:pointer}.key-field button{flex-shrink:0;white-space:nowrap;border:0;background:white;color:#42658f;padding:0 14px;font-size:13px}button:focus-visible{outline:3px solid #94baf6;outline-offset:3px}#login-help,.footnote{font-size:12px;color:#64758b;line-height:1.7}#login-help{margin:10px 0 22px}.primary{width:100%;border:0;border-radius:12px;color:white;background:#2563d9;font-weight:600;min-height:49px}.primary:hover{background:#1f56bc}.primary:disabled{background:#92abd2;cursor:not-allowed}#login-error{background:#fff2f1;color:#a33232;padding:12px;border-radius:10px;font-size:13px;line-height:1.7}#lock-countdown{color:#805c1c;font-size:13px}.footnote{text-align:center;margin:22px 0 0}[hidden]{display:none!important}@media(max-width:480px){.login-card{padding:30px 24px}h1{font-size:23px}}