.infopic{ width:700px; height:200px; position:relative; overflow:hidden; margin:15px auto;}
.piclist{}
.piclist li{ height:200px; margin-right:15px; float:left; overflow:hidden;}
.piclist li img{ height:200px; width:160px;}

.piclist1 li{ height:104px !important; margin-right:15px; width:224px !important; float:left; overflow:hidden;}
.piclist1 li img{ width:224px; height:104px}

.pic_prev,.pic_next{ width:30px; height:50px; background:url(../images/icon.png) no-repeat; position:absolute; top:75px; cursor:pointer;}
.pic_prev{ background-position:0 0; left:0;}
.pic_next{ background-position:0 -60px; right:0;}