/******************公共样式**********************/
* {
    padding: 0px;
    margin: 0px;
    border: 0px;
}
body {
    background-color: #FFFFFF;
}
ul {
    list-style: none;
}
.layout {
    width: 100%;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}
/***下载***/
.download {
	position: fixed;
	top: 0;
	left: 50%;
	z-index: 3;
	transform: translateX(-50%);
	padding: 0!important;
	font-size: 0;
}
.download .downloadImg {
	width: 100%;
}
.download .downloadBtn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 3vw;
    text-decoration: none;
    width: 20vw;
}
.download .downloadBtn img {
	width: 100%;
}
.download.landscape { /*横屏时候*/
    position: relative;
	top: auto;
    left: auto;
    bottom: auto;
    z-index: auto;
	transform: none;
}
/***阴影***/
.commonShadeDiv {
	position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    line-height: 100vh;
    text-align: center;
    background-color: rgba(0,0,0,0.03);
    z-index: 99999;
}
.commonShadeDiv .loadingImg {
	width: 50px;
}
/*******媒介查询*******/
@media screen and (min-width: 640px) {
	/***下载***/
	.download .downloadBtn {
		right: 19px;
		width: 128px;
	}
}