@charset "gb2312";
@import url(base.css);
.wraper-0{background:url(../images/home_01.jpg) no-repeat 50% 0;}
.wraper-1{background:url(../images/home_02.jpg) no-repeat 50% 179px;}
.wraper-2{background:url(../images/home_03.jpg) no-repeat 50% 332px;}
.wraper-3{background:url(../images/home_04.jpg) no-repeat 50% 577px;height:840px;}
.head{height:200px;}
.main{height:500px;}
.nav{height:300px;}
.nav a{position:absolute;background:url(../images/home_nav_hover.jpg) no-repeat 1000px 1000px;overflow:hidden;text-indent:-9999px;}
#nav_1{
	width:137px;
	height:62px;
	top:36px;
	left:699px;
	
}
#nav_1:hover{background-position:0 0;}
#nav_2{
	width:103px;
	height:69px;
	top:135px;
	left:772px;
	
}
#nav_2:hover{background-position:-73px -99px;}