.app-install{position:fixed;bottom:22px;left:22px;z-index:900;display:flex;align-items:center;gap:12px;max-width:calc(100vw - 44px);padding:12px 16px;border:1px solid #dce4ec;border-radius:12px;background:#fff;color:#173d59;box-shadow:0 6px 28px #173d5922;font:14px Arial,Helvetica,sans-serif}.app-install button{padding:8px 12px;cursor:pointer}.app-install button:last-child{font-size:21px;line-height:1}.install-dialog{max-width:440px;border:1px solid #dce4ec;border-radius:16px;padding:28px;color:#173d59;font-family:Arial,Helvetica,sans-serif}.install-dialog p{line-height:1.6}.install-dialog::backdrop{background:#173d5977}@media(max-width:600px){.app-install{bottom:88px;left:12px;right:12px;max-width:none;gap:8px;padding:12px}.app-install span{flex:1}.app-install button{white-space:nowrap}}