*{margin: 0;padding: 0;}
html,body{margin: 0 !important;padding: 0 !important;}
.mainimg{width: 100%;}
.main-box{font-size: 0;}
.up-box{position: relative;}
.download-box{
	position: absolute;
	left: 24.3%;
	top: 70.56%;
	width: 9.4%;
	height: 6.45%;
	background: url("./images/download.png") no-repeat;
	background-size: cover;
}
.midcode{
	position: absolute;
	left: 24.6%;
	top: 52.09%;
	width: 8.8%;
	height: 18.22%;
	z-index: 2;
	display: none;
}
.rightcode{
	position: fixed;
	right: 5%;
	bottom:6%;
	width: 8.8%;
}