.mask{
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.3);
	position: fixed;
	left: 0;
	top: 0;
	text-align: center;
	z-index: 9;
}
.mask>div{
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%,-50%);
	min-width: 1.3rem;
	min-height: 0.6rem;
	max-width: 2rem;
	line-height: 0.6rem;
	font-size: 0.14rem;
	padding: 0.05rem 0.15rem;
	color: #494A5F;
	background: url(../img/loading1.gif) no-repeat 0.1rem center;
	background-size: 0.3rem;
	padding-left: 0.5rem;
	background-color: #FFFFFF;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	border-radius: 0.04rem;
	box-shadow: 0 0 0.1rem rgba(158, 158, 158, 0.5);
	-webkit-box-shadow: 0 0 0.1rem rgba(158, 158, 158, 0.5);
}

.scroll-off{
	position:fixed;
	overflow-y:hidden
}