#tab_ *{margin:0; padding:0; line-height:20px;}
 #tab_ .cur{font-weight:900;cursor:default;z-index:1;background-image:url(../images/tab1.gif); color:#555}
 #tab_{position:relative;height:400px;width:920px; margin:-38px auto;float:left;}
 #tab_ h4{float:left;height:73px;margin:0;display:inline;line-height:40px;width:130px;position:relative;z-index:0;text-align:center;cursor:pointer;
         font-size:16px; color:#aaa; font-weight:bolder;background-image:url(../images/tab.gif); background-repeat:no-repeat;font-family:微软雅黑}
 .c{position:absolute;top:36px; border-top:2px solid #e2e2e2;left:0;width:900px;padding:100px;overflow:hidden;
    display:block; background-color:white}
 #tab_{clear:left;
    top: 0px;
    left: 0px;
}
 #tab_ h1{clear:left;padding:10px 0}