.download_bg{
	width: 100%;
	height: 100%;
	background: url(/app/themes/download/img/upload_bg.png) no-repeat center center;
	background-size: cover;
}
.download_bg_pc{
	width: 100%%;
	height: 100%;
	background-size:100% 100%; 
	background-attachment: fixed;
	background: url(/app/themes/download/img/download_bg_pc.jpg) no-repeat;
	
	
}
.header{
	width: 100%;
	padding-top: 52px;
}
.header img{
	margin-left: 3%;
}
.download_left{
	width: 57%;
	margin-right: 1%;
}
.download_left img{
	width: 100%;
}
.download_right{
	width: 42%;
	padding-top: 110px;
}
.download_main{
	margin-top: 94px;
}
.download_c_l img{
	width: 170px;
	height: 170px;
}
.download_c_r img{
	margin-top: 42px;
}
.download_c {
	padding-top: 30px;
}
.download_c_l{
	margin-right: 16px;
}
.download_b{
	margin-top: 48px;
}