/*公共样式类*/
*{
    border: 0;
    padding: 0;
    margin: 0;
}
body,html{
    font-family: "Microsoft YaHei";
}
li{
    list-style: none;
}
a{
   text-decoration :none;
}
.jz{
    position: relative;
    width: 1200px;
    height: auto;
    margin:  0px auto;
}