div,body,h1,h2,h3,h4,h5,h6,p,span,form,input,ul,li,a,dl,dt,dd,table,hr,button{margin: 0;padding: 0;}
img{border:none;}
input{border: none;outline:none;}
a{text-decoration: none;color: #333;}
h1,h2,h3,h4,h5,h6{font-weight:normal;}
textarea{resize:none;}
li{list-style-type: none;}
i{font-style:normal;}
body{font-family:"微软雅黑";font-size: 12px;color: #333;}
/*公共样式区*/
.float_l{float: left;}
.float_r{float: right;}
.base_width{width: 1000px;margin: 0 auto;}
.clear{clear: both;}
.footer,.nav,.header{min-width: 1200px;width: 100%;}