.banner{ height:500px; width:100%;margin:0px auto; overflow:hidden;min-width:1200px;z-index: -99;}

.main_image {width:100%; height:500px; overflow:hidden; margin:0 auto; position:relative}
.main_image ul {width:9999px; height:500px; overflow:hidden; position:absolute; top:0; left:0}
.main_image li {float:left; width:100%; height:617px;}
.main_image li span {display:block; width:100%; height:617px}
.main_image li a {display:block; width:100%; height:617px}
.main_image li .img_1 {background: url(../images/banner1.jpg) center top no-repeat}
.main_image li .img_2 {background: url(../images/banner2.jpg) center top no-repeat}
.main_image li .img_3 {background: url(../images/banner3.jpg) center top no-repeat}
div.flicking_con {width:990px; margin:0 auto; position:relative}
div.flicking_con .flicking_inner {position:absolute; top:580px; left:50%; z-index:999; width:300px; height:21px} /* 121126 */
div.flicking_con a {float:left; width:21px; height:21px; margin:0; padding:0; background:url(../images/btn_main_img.png) 0 0 no-repeat; display:block; text-indent:-1000px}
div.flicking_con a.on {background-position:0 -21px}
#btn_prev,#btn_next{z-index:11111;position:absolute;display:block;width:73px!important;height:74px!important;top:50%;margin-top:-37px;display:none;}
#btn_prev{background:url(../images/hover_left.png) no-repeat left top;left:100px;}
#btn_next{background:url(../images/hover_right.png) no-repeat right top;right:100px;}

 
.www51buycom { width:100%;min-width:1200px;  position: relative; z-index: -99;  overflow:hidden;}
.www51buycom .num { overflow:hidden; height:10px; position: absolute; bottom:0px; padding-bottom:20px; width:100%;zoom:1; z-index:3 }
.www51buycom .num ul{ width:100px; margin:0 auto;}
.www51buycom .num li { width: 15px; height: 15px; line-height:0px; text-align: center;  color: #fff; font-size:0px; background:#fff; margin-right:5px; border-radius:50%; cursor:pointer; float: left; }
.www51buycom .num li.on { background: #0095d8; } /*当前项*/
.www51buycom .prev,
.www51buycom .next { display: none; width: 40px; height: 100px; background: url(../images/btn.png) no-repeat; position: absolute; top:250px;}
.www51buycom .prev { left:30px; }
.www51buycom .next { right:30px; background-position: right }