.de_imgcont11 {width:1730px;overflow:hidden; margin:0 auto 0; position:relative; padding-top:48px;}
.de_hide11 { float:left;overflow: hidden; width:1612px;}
.de_hide11 li {float: left;  width:377px;height: 366px;margin:0 13px;}
.de_hide11 li img {display: block;height: 366px;width: 377px;}
.preva11{margin-top:167px; float:left;width:59px;height:59px;display:block;}
.nexta11 {margin-top:167px; float:right;width:59px;height:59px;display:block;}
.preva11 a, .nexta11 a {display:block;overflow:hidden;width:59px;height:59px;}
.preva11 a { background:url(../images/preva3.jpg) no-repeat left center;}
.nexta11 a {background:url(../images/nexta3.jpg) no-repeat left center; }