*{margin:0; padding:0; border:0;}
body{margin:0;padding:0}
div{margin:0;padding:0}

#index_fullwrap{width:100%; height:auto; text-align:center;}

#top_wrap{width:100%; height:120px;}
#threetop{width:1000px; height:60px; margin-left:auto; margin-right:auto; margin-top:0; margin-bottom:0;}
.logo{float:left;width:200px; margin-left:120px; height:60px;}
.searching{float:left; width:300px; height:50px; margin-left:20px; margin-top:10px;}
.qicktop{float:left; width:200px; height:60px; margin-left:100px;}
#menuwrap{width:100%; height:60px;}

.pointer {width:50px; height:50px; position:fixed; z-index:2; cursor:pointer; right:10px; bottom:10px;}