/* nav */
ul,li{ list-style:none;}
.tab{ width:920px; margin:33px auto;}
.tab-hd {/* background:#F93;*/ overflow:hidden; zoom:1;}
.tab-hd>li{ float:left; width:110px; color:#666666; text-align:center; cursor:pointer;height: 38px;line-height: 38px;border-right: 1px solid #d2d2d2;}
.tab-hd>li.active{ color:#ff8e1d;background-image: url(../images/lint-orange.png);background-repeat: no-repeat;background-position: center 100%;}
.tab-bd>li{display:none; padding:20px 0; /*border:1px solid #ddd; */border-top:0 none; font-size:24px;padding-top: 33px;}
.tab-bd>li.thisclass{ display:list-item;}

/*css3*/
/*.tab-hd li img:nth-of-type(2) {
    display: none;
}

.tab-hd li.active img:nth-of-type(1) {
    display: none;
}
.tab-hd li.active img:nth-of-type(2) {
    display: inline;
}
*/