.sg{font-size: 0;}
.sg ul{width:960px;padding-bottom: 10px;}
.sg ul li{display: inline-block;margin-left: 15px; *display: inline; *zoom: 1;}
.sg ul li:first-child{margin-left: 3;}
.sg ul li a{display: block; width: 221px;height: 271px;}
.sLn{width: 221px;height: 271px;background: url(../images/cj_sg.png) no-repeat;}
.sLn:hover{background: url("../images/cj_sg_h.png") no-repeat;}
.s1{background-position:-4px 0; }
.s1:hover{background-position:-4px 0;}
.s2{background-position:-247px 0; }
.s2:hover{background-position:-247px 0;}
.s3{background-position:-491px 0; }
.s3:hover{background-position:-491px 0;}
.s4{background-position:-734px 0; }
.s4:hover{background-position:-734px 0;}