.auth-locked{overflow:hidden}
body.auth-locked>*:not(.auth-gate){visibility:hidden!important}
.auth-gate{position:fixed;z-index:9999;inset:0;display:grid;place-items:center;background:radial-gradient(circle at 20% 10%,rgba(232,117,93,.16),transparent 32%),linear-gradient(135deg,#173b35 0%,#225b50 48%,#f5f1e8 48%,#f5f1e8 100%);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:#173b35}
.auth-card{width:min(420px,calc(100vw - 38px));padding:34px 30px 28px;border-radius:28px;background:rgba(255,253,248,.96);box-shadow:0 24px 80px rgba(20,45,40,.24);border:1px solid rgba(23,59,53,.12)}
.auth-badge{display:inline-flex;align-items:center;gap:7px;padding:7px 12px;border-radius:999px;background:#e9f1ec;color:#456d62;font-size:12px;font-weight:900;letter-spacing:.08em}
.auth-card h1{margin:22px 0 10px;font-family:Georgia,"Noto Serif SC",serif;font-size:32px;line-height:1.15;color:#173b35}
.auth-card p{margin:0 0 22px;color:#647d76;line-height:1.75;font-size:14px}
.auth-notice{margin:0 0 18px;padding:15px 16px;border-radius:18px;background:linear-gradient(135deg,#fff0e8,#fff8dd);border:1.5px solid rgba(232,117,93,.55);box-shadow:0 10px 28px rgba(232,117,93,.14);color:#173b35}.auth-notice strong{display:block;margin-bottom:5px;color:#d85f4b;font-size:16px;font-weight:900;letter-spacing:.03em}.auth-notice span{display:block;color:#314f48;font-size:14px;font-weight:800;line-height:1.65}
.auth-form{display:grid;gap:12px}
.auth-input{width:100%;height:52px;border:1px solid rgba(23,59,53,.18);border-radius:16px;background:#fff;padding:0 16px;font-size:18px;font-weight:800;letter-spacing:.06em;color:#173b35;outline:none;text-transform:none}
.auth-input:focus{border-color:#e8755d;box-shadow:0 0 0 4px rgba(232,117,93,.16)}
.auth-button{height:52px;border:0;border-radius:999px;background:#173b35;color:#fff;font-size:16px;font-weight:900;cursor:pointer}
.auth-button:active{transform:translateY(1px)}
.auth-error{min-height:20px;margin-top:2px;color:#d85f4b;font-size:13px;font-weight:800}
.auth-hint{margin-top:18px;padding-top:16px;border-top:1px dashed rgba(23,59,53,.15);font-size:12px;color:#7f928c;line-height:1.6}
@media(max-width:520px){.auth-gate{background:linear-gradient(180deg,#173b35 0%,#225b50 38%,#f5f1e8 38%,#f5f1e8 100%)}.auth-card{padding:30px 22px 24px;border-radius:24px}.auth-card h1{font-size:28px}}