#warp{width:100%;margin:0px auto;text-align:center;position:relative;overflow:hidden;}
#warp .piclb{width:1920px;height: 449px;margin:0px auto;position:relative;left:-960px;top: -26px;margin-left:50%;}
#warp .btn{position: absolute;top:0;left:460px;margin:0px auto;width:1000px;height:462px}

.www51buycom { width:100%; height:458px; margin:25px auto; position: relative; overflow:hidden; margin-bottom: 15px; text-align:center}
.xddw{position:relative;}
/*数字按钮样式*/
.www51buycom .num { overflow:hidden; height: 25px; position: absolute;top: 347px;right: 90px; zoom:1; z-index:3 }
.www51buycom .num li { width: 25px; height: 15px; line-height: 15px; text-align: center; font-weight: 400; font-family: "微软雅黑", Arial; color: #FFFFFF; background: #000;opacity:0.7; margin-right: 10px; cursor:pointer; float: left; }
.www51buycom .num li.on { background: #FFF; } /*当前项*/

/*上一个  下一个*/
.www51buycom .prev { display: none; width: 40px; height: 100px; background: url(../images/btn.png) no-repeat; position: absolute; top: 140px;}
.www51buycom .next { display: none; width: 40px; height: 100px; background: url(../images/btn.png) no-repeat; position: absolute; top: 140px;}
.www51buycom .prev { left: 0; }
.www51buycom .next { right: 0; background-position: right }