.aizx-install-mask{
    display:none;position:fixed;inset:0;z-index:20000;
    background:rgba(6,10,22,.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
    align-items:center;justify-content:center;padding:16px;
}
.aizx-install-mask.show{display:flex;}
.aizx-install-card{
    width:100%;max-width:400px;background:#fff;color:#1d2129;border-radius:18px;
    padding:22px 18px calc(18px + env(safe-area-inset-bottom));
    box-shadow:0 20px 60px rgba(0,0,0,.35);
}
.aizx-install-logo{width:64px;height:64px;border-radius:14px;display:block;margin:0 auto 12px;}
.aizx-install-title{margin:0 0 6px;text-align:center;font-size:20px;font-weight:700;}
.aizx-install-sub{margin:0 0 14px;text-align:center;font-size:14px;color:#4e5969;line-height:1.65;}
.aizx-install-status{
    margin:0 0 14px;padding:12px;border-radius:12px;font-size:13px;line-height:1.65;
    background:#f7f8fa;color:#4e5969;text-align:center;
}
.aizx-install-status.is-wait{background:#eef4ff;color:#2563c7;}
.aizx-install-status.is-ok{background:#e8fff3;color:#00875a;}
.aizx-install-status.is-warn{background:#fff7e8;color:#ad6800;}
.aizx-install-status.is-err{background:#fff1f0;color:#cf1322;}
.aizx-install-spinner{
    display:inline-block;width:16px;height:16px;margin-right:6px;vertical-align:-3px;
    border:2px solid #c5d9f5;border-top-color:#3682ed;border-radius:50%;
    animation:aizxInstallSpin .8s linear infinite;
}
@keyframes aizxInstallSpin{to{transform:rotate(360deg);}}
.aizx-install-steps{font-size:13px;line-height:1.7;color:#1d2129;margin:0 0 14px;}
.aizx-install-steps ol{margin:8px 0 0 18px;padding:0;}
.aizx-install-steps li{margin-bottom:6px;}
.aizx-install-steps strong{color:#3682ed;}
.aizx-install-btn{
    display:block;width:100%;margin-top:10px;padding:13px 16px;border:none;border-radius:12px;
    font-size:15px;font-weight:600;cursor:pointer;text-align:center;
}
.aizx-install-btn:disabled{opacity:.55;cursor:not-allowed;}
.aizx-install-btn-primary{background:linear-gradient(90deg,#00b578,#00a870);color:#fff;}
.aizx-install-btn-secondary{background:#3682ed;color:#fff;}
.aizx-install-btn-ghost{background:#f2f3f5;color:#4e5969;}