.logo{
	background: url(images/logo.png) no-repeat center;
	width:292px;
	height: 277px;
	
	position: absolute;
	top: 50%;
	width: 100%;
	margin-top: -200px;
}

.ladding{
	width: 350px;
	margin: 0 auto;
	margin-top: 350px;

}

.ladding .progress{
	width:0px;
	height: 3px;
	background: #7f7f7f;
	
	transition: width 0.5s ease-out;
	-moz-transition: width 0.5s ease-out; /* Firefox 4 */
	-webkit-transition: width 0.5s ease-out; /* Safari 和 Chrome */
	-o-transition: width 0.5s ease-out; /* Opera */		
}


a.enter{
	display: none;
	color: #fff;
	
	text-decoration: none;
	font-size: 20px;
	position: relative;
	top: 50px;
}