:root{font-family:Inter,SF Pro Display,PingFang SC,Microsoft YaHei,sans-serif;color:#14213d;background:#eef4ff;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}.login-shell{min-height:100svh;display:grid;place-items:center;padding:32px 20px;background:radial-gradient(circle at 82% 18%,rgba(45,108,255,.18),transparent 34%),linear-gradient(145deg,#f8fbff,#e8f0ff)}.login-panel{width:min(440px,100%);padding:44px;background:#fffffff0;border:1px solid rgba(24,83,190,.12);box-shadow:0 30px 80px #21488c29;border-radius:28px;animation:panel-in .42s cubic-bezier(.2,.8,.2,1) both}.brand-mark{width:52px;height:52px;display:grid;place-items:center;border-radius:16px;color:#fff;background:#1b68ff;font-size:26px;font-weight:800;box-shadow:0 12px 28px #1b68ff47}.eyebrow{margin:28px 0 8px;color:#1b68ff;font-size:12px;font-weight:800;letter-spacing:.16em}h1{margin:0;color:#11203f;font-size:clamp(28px,5vw,38px);line-height:1.16;letter-spacing:-.04em}.intro{margin:14px 0 30px;color:#64718b;line-height:1.7}label{display:block;margin-bottom:9px;font-size:13px;font-weight:700}.secret-row{display:grid;grid-template-columns:1fr auto;border:1px solid #cfd9ec;border-radius:14px;overflow:hidden;transition:border-color .2s,box-shadow .2s}.secret-row:focus-within{border-color:#1b68ff;box-shadow:0 0 0 4px #1b68ff1a}input{min-width:0;padding:14px 16px;border:0;outline:0;color:#13203b;background:#fff;font:inherit}.secret-row button{border:0;padding:0 16px;color:#446087;background:#fff;font-weight:700;cursor:pointer}.submit-button{width:100%;margin-top:16px;padding:15px 18px;border:0;border-radius:14px;color:#fff;background:#1b68ff;font:inherit;font-weight:800;cursor:pointer;transition:transform .18s,box-shadow .18s}.submit-button:hover{transform:translateY(-1px);box-shadow:0 12px 28px #1b68ff40}.submit-button:disabled{opacity:.55;transform:none;box-shadow:none;cursor:wait}.status{min-height:22px;margin:12px 0 0;color:#446087;font-size:13px}.status.error{color:#b42336}footer{display:flex;gap:10px;align-items:flex-start;margin-top:22px;color:#7c879d;font-size:12px;line-height:1.55}footer span{flex:0 0 auto;width:8px;height:8px;margin-top:5px;border-radius:50%;background:#4bc68a;box-shadow:0 0 0 4px #4bc68a1f}@keyframes panel-in{0%{opacity:0;transform:translateY(12px) scale(.985)}to{opacity:1;transform:none}}@media(max-width:520px){.login-panel{padding:30px 24px;border-radius:22px}}@media(prefers-reduced-motion:reduce){.login-panel{animation:none}.submit-button{transition:none}}