/*banner*/
.index_default .banner_box{ width:1140px; float:none; height:auto;}
.www51buycom { width:100%;position:relative; overflow:hidden;}

.www51buycom ul li img{ width:100%;}
.www51buycom .num { width:300px;overflow:hidden; height: 25px; position: absolute; bottom:10px; right:50%; margin-right:-150px;  zoom:1; z-index:3; text-align:center}
.www51buycom .num li { width: 11px; height: 11px; background: #aaa ; margin:0 5px; cursor:pointer; display:inline-block; box-shadow:0 0 3px rgba(0, 0, 0, 0.3) inset;}
.www51buycom .num li.on { background: #e93a3a ; } /*µ±Ç°Ïî*/

.www51buycom .prev,
.www51buycom .next {background:url(../images/bannerbtn.png) no-repeat #333;width: 40px;height: 100px; position: absolute; top:50%; margin-top:-50px; display:none; }
.www51buycom .prev { left: 0; }
.www51buycom .next { right: 0; background-position: right 0; }