/* css 重置 */
*{margin:0; padding:0; list-style:none; border:0;}
body{ background:#fff; font-size:12px;line-height:22px;font-weight: normal;font-family: microsoft yahei,"微软雅黑";-webkit-text-size-adjust:100%;}
img{ border:0;padding:0;border:0;display: block;}
a{ text-decoration:none; color: #333}
li{list-style: none}
.clearfix:after{content:".";display:block;height:0;clear:both;visibility:hidden} 
.clearfix{*+height:1%;}/*不知道有什么用处，不加ie7也没有问题*/