#center{ width:613px; float:left;}
.button_left {float:left; width:40px;} 
.product{ width:613px; overflow:hidden;}
.product .pro_li {height: 116px;margin: 5px 5px 0 6px;padding: 6px;width: 120px; border:1px solid #dfdfdf;}
.product img{ solid; display:block;}
.pro_li span {color: #000000;display: block;font-size: 12px;height: 16px;line-height: 16px; margin-top: 4px;text-align: center;}
.product li {float: left; height:116px;}
.product li a{ display:block;}
.button_right { width:40px; float:right;}
.r_max_w{ width:520px; overflow:hidden; zoom:1;}
.product ul {width: 520px;height: 135px;overflow: hidden;float:left;}