.jianju { width:1200px; height:220px;}

.poster-main{position: relative; margin:0 auto;}
.poster-main .poster-list .poster-item{position: absolute;left: 0;top:0;}
.poster-main .poster-btn{position: absolute; top:0; cursor: pointer;}
.poster-main .poster-prev-btn{left: 0;background: url("zbprev.png") no-repeat center center;}
.poster-main .poster-next-btn{right: 0;background: url("zbnext.png") no-repeat center center;}

#Downloads{width: 918px;height: 160px;text-align:center;position:absolute;top: 920px;left:50%;margin-left: -417px;z-index:51;border-radius:5px;}
#Downloads .btns_down_s1{float:left;width: 368px;height: 160px;text-indent:-999em;background:url("../images/btn_down1.png"/*tpa=/202.189.15.206:520/images/btn_down1.png*/) no-repeat left top;}
#Downloads .btns_down_s2{float:left;width: 368px;height: 160px;text-indent:-999em;margin-left: 55px;background:url("../images/btn_down2.png"/*tpa=/202.189.15.206:520/images/btn_down2.png*/) no-repeat left top;}
#Downloads .btns_down_s1:hover{background:url("../images/btn_down1.png"/*tpa=/202.189.15.206:520/images/btn_down1.png*/) no-repeat left bottom;}
#Downloads .btns_down_s2:hover{background:url("../images/btn_down2.png"/*tpa=/202.189.15.206:520/images/btn_down2.png*/) no-repeat left bottom;}