*{
box-sizing:border-box;
}

body{
font-family: Arial, sans-serif;
background:#f4f4f4;
margin:0;
padding:0;
text-align:center;
color:#333;
}

/* Header */

header{
background:#ff0050;
color:white;
padding:30px 20px;
}

header h1{
margin:0;
font-size:32px;
}

header p{
margin-top:10px;
font-size:18px;
}

/* Main container */

main{
max-width:900px;
margin:auto;
padding:30px 20px;
}

/* Downloader box */

.box{
background:white;
padding:30px;
border-radius:10px;
box-shadow:0 4px 12px rgba(0,0,0,0.08);
margin-bottom:30px;
}

input{
width:100%;
max-width:600px;
padding:14px;
font-size:16px;
border:1px solid #ddd;
border-radius:6px;
}

/* Button */

button{
margin-top:15px;
padding:14px 30px;
background:#ff0050;
color:white;
border:none;
border-radius:6px;
font-size:16px;
cursor:pointer;
}

button:hover{
opacity:0.9;
}

/* Result */

#result{
margin-top:20px;
font-size:18px;
}

/* Adsense */

.ads{
margin:40px 0;
}

/* SEO Content */

.content{
text-align:left;
background:white;
padding:30px;
border-radius:10px;
box-shadow:0 4px 12px rgba(0,0,0,0.08);
}

.content h2{
margin-top:0;
color:#ff0050;
}

.content h3{
margin-top:20px;
}

.content p{
line-height:1.6;
}

.content ul,
.content ol{
margin-left:20px;
}

/* Mobile */

@media (max-width:768px){

header h1{
font-size:26px;
}

header p{
font-size:16px;
}

.box{
padding:20px;
}

.content{
padding:20px;
}

}


.video-box{
margin-top:30px;
}

video{
border-radius:10px;
}

.ios-tip{
font-size:14px;
color:#666;
margin-top:10px;
}