@charset "UTF-8";
/* CSS Document */

body{
	margin: 0	auto;
 	padding: 0;
	background: url("BJ.jpg") no-repeat ;
	background-size:  cover;
	
}

.top img {
	width:  100%;
	height:  100%
    }

.daohang {
	width:  100%;
	height:  100px;
	margin: 0 auto;
	
}


.daohang .mulu {
	
	width:  100%;
	height:  200px;
	margin: 0 auto;
}
	
.daohang .mulu img {
	
	margin: 0 auto;
	float: left;
	cursor:  pointer;
	width: 25%;
	
}




.dibu img{
	width:  100%;
	height: 100%;

		}