body{
margin:0;
padding:0;
}

.app-card{
box-sizing:border-box;
width:100%;
max-width:650px;
margin:20px auto;
background:#eeeeee;
padding:20px;
border-radius:14px;
text-align:center;
box-shadow:0 2px 10px rgba(0,0,0,0.08);
}

.app-icon{
display:flex;
justify-content:center;
margin-bottom:10px;
}

.app-icon img{
width:100px;
border-radius:18px;
}

.app-title{
font-size:26px;
font-weight:700;
margin:10px 0;
}

.app-desc{
font-size:15px;
color:#333;
margin-bottom:15px;
}

.bonus-box{
background:#e6f9ec;
border:2px solid #28a745;
color:#0f5132;
padding:12px;
border-radius:8px;
font-size:15px;
margin-bottom:18px;
font-weight:600;
}

.download-btn{
display:inline-block;
color:#fff;
padding:13px 28px;
border-radius:30px;
text-decoration:none;
font-weight:700;
font-size:16px;
box-shadow:0 5px 12px rgba(0,0,0,0.25);

/* blink animation */
animation:blinkbtn 1.2s infinite;
}

/* animation */
@keyframes blinkbtn{
0%{background:#ff2d55;}
50%{background:#28a745;}
100%{background:#ff2d55;}
}

/* blue arrow */
.arrow{
color:#007bff;
font-weight:900;
margin-right:6px;
}

.app-info{
font-size:13px;
margin-top:12px;
color:#555;
}