.index{
	display: flex;
	flex-direction: column;
	align-items: center;
	/* justify-content: center; */
	width: 100%;
	height:6.66rem;
	background: url(../images/bg.png)no-repeat;
	background-size: 100%;
	position: relative;
}
.logo{
	width: 2.97rem;
	height: 0.74rem;
	position: absolute;
	top:3.8rem
}
.btn{
	width: 48%;
    height: auto;
    position: fixed;
    top: 5.5rem;
}
.arrowShow{
	display: block;
}
.arrowHide{
	display: none;
}
.arrowWrap{
	position: fixed;
	top: 0;
	right: 0;
	width: 100%;
	height: 8.12rem;
	background-color: rgba(0,0,0,0.5);
}
.arrow{
	float: right;
	margin-top: 0.1rem;
}
.arrowText{
	font-size: 0.16rem;
	color: #fff;
}
.arrowImg{
	width: 0.94rem;
	height: 1rem;
}