#content_nav{ width:235px; float:left}
#title{width:910px; margin:0 auto; background-color:#97e7ff; height:25px; margin-top:20px; margin-bottom:10px}
#content{ margin:0 auto; width:910px;}
#content span{margin-left:10px; font-weight:bold; line-height:30px}
#content_nav a { display:block; width:204px; height:30px; line-height:30px; border-bottom:1px dashed #999999; background:url(../images/bot.jpg) no-repeat 3% center; padding-left:26px}
#content_content{ width:665px; float:left; padding-left:10px; line-height:22px}
#pro{ width:107px; height:150px; float:left; margin:0 10px; text-align:center}

#pro_pic{ width:300px; float:left; text-align:center}
#pro_details{ width:305px; float:left}

#similar_title{ width:625px;background-color:#97e7ff; height:25px; padding-left:10px; margin-top:20px; line-height:25px}
#similar_content{ margin-top:20px; width:655px; padding-left:10px}