.www51buycom { width:100%;  min-height:427px;}

.www51buycom .num { overflow:hidden; height: 25px; position: absolute; bottom:12px; left: 15px; zoom:1; z-index:3 }
.www51buycom .num li { width: 25px; height: 25px; line-height: 25px; text-align: center; font-weight: 400; font-family: "΢���ź�", Arial; color: #FFFFFF; background: #222222; margin-right: 10px; cursor:pointer; float: left; }
.www51buycom .num li.on { background: #2d93f1; } /*��ǰ��*/

.www51buycom .prev,
.www51buycom .next { display: none; width: 40px; height: 100px; background: url(../images/btn.png) no-repeat; position: absolute; top: 220px; margin-top:140px;}
.www51buycom .prev { left: 0; }
.www51buycom .next { right: 0; background-position: right }