body{
    background:#f5f7fb;
    font-family: Arial, sans-serif;
}

.card{
    border:none;
    border-radius:12px;
    box-shadow:0 2px 10px rgba(0,0,0,0.08);
}

#pwa-install-box{
    position:fixed;
    left:14px;
    right:14px;
    bottom:82px;
    background:#06142b;
    color:#fff;
    border-radius:18px;
    padding:13px;
    z-index:99999;
    align-items:center;
    gap:11px;
    box-shadow:0 18px 45px rgba(0,0,0,.35);
    border:1px solid rgba(255,255,255,.12);
}

.pwa-install-icon{
    width:42px;
    height:42px;
    border-radius:14px;
    background:#1458ff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:22px;
    flex:0 0 auto;
}

.pwa-install-text{
    flex:1;
    display:flex;
    flex-direction:column;
    line-height:1.3;
}

.pwa-install-text strong{
    font-size:14px;
}

.pwa-install-text span{
    font-size:12px;
    color:#dbe7ff;
}

#installAppBtn{
    border:0;
    background:#ffffff;
    color:#06142b;
    font-weight:800;
    border-radius:10px;
    padding:8px 13px;
    font-size:13px;
}

#closeInstallBox{
    border:0;
    background:rgba(255,255,255,.12);
    color:#fff;
    border-radius:50%;
    width:28px;
    height:28px;
    font-size:18px;
    line-height:1;
}

@media(min-width:768px){
    #pwa-install-box{
        max-width:390px;
        left:auto;
        right:24px;
        bottom:24px;
    }
}