.layout{
	height: 100vh;
}
.pc{
	height: 100%;
	background: #010307;
	position: relative;
}
.layout .logo{
	position: absolute;
	left: 0;right: 0;
	top: 50%;z-index: 1;
	transform:translateY(-50%);
	-ms-transform:translateY(-50%);  /* IE 9 */
	-moz-transform:translateY(-50%);     /* Firefox */
	-webkit-transform:translateY(-50%); /* Safari 和 Chrome */
	-o-transform:translateY(-50%); 
	width: 232px;
	margin: 0 auto;
}
.web{
	display: none;
}

@media only screen and (max-width:1000px){
	.layout{
		width: 750px;
		margin: 0 auto;
		overflow: hidden;
	}
	.pc{
		display: none;
	}
	.web{
		height: 100vh;
		display: block;
	}
}