@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% 198px;}
.wraper-2{background:url(../images/home_03.jpg) no-repeat 50% 330px;}
.wraper-3{background:url(../images/home_04.jpg) no-repeat 50% 600px;height:838px;}
.head{height:200px;}
.main{height:520px;}
.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:52px;
	top:46px;
	left:230px;
	
}
#nav_1:hover{background-position:0 3px;}
#nav_2{
	width:157px;
	height:54px;
	top:55px;
	left:394px;
	
}
#nav_2:hover{background-position:-164px -6px;}
#nav_3{
	width:144px;
	height:47px;
	top:68px;
	left:571px;
	
}
#nav_3:hover{background-position:-341px -19px;}
#nav_4{
	width:140px;
	height:54px;
	top:51px;
	left:735px;
	
}
#nav_4:hover{background-position:-505px -2px;}