.install-hint{position:fixed;z-index:500;bottom:max(60px,env(safe-area-inset-bottom));left:16px;right:16px;max-width:500px;margin:auto;background:#12294b;color:#fff;padding:16px;border-radius:12px;box-shadow:0 8px 35px #0005;display:flex;gap:12px;align-items:center;font:14px system-ui}.install-hint button{background:#fff;color:#12294b;border:0;border-radius:6px;padding:8px;cursor:pointer}