#product-page .pb {font-size:14px;}
#product-page .pb .left{width:500px;}
#product-page .pb .left .box{padding:20px;background-color:#F4F5F5;margin-bottom:20px;line-height:2; ;-moz-border-radius:5px; border-radius: 5px;-webkit-border-radius: 5px;-khtml-border-radius: 5px;}
#product-page .pb .right{margin-right:20px;}
#product-page .down{display:block;width: 189px;height: 60px;background: transparent url(down.png) no-repeat scroll -3px -4px;text-indent:-9999px;margin-top:20px;overflow:hidden;}
#product-page .down:hover{background-position: -3px -66px;}
#product-page .api{display:block;width: 189px;height: 60px;background: transparent url(down.png) no-repeat scroll -3px -137px;text-indent:-9999px;margin-top:20px;overflow:hidden;}