html,body{
    font-family: "Microsoft YaHei";
    font-size: 62.5%;
}
body{
    font-size: 1.2rem;
    /* text-transform: uppercase;*/
}
html,body,h1,h2,h3,h6,p,img,ul,li,input,select,button,img{
    margin: 0;
    padding:0;
    border: none;
}
input,button{
    outline: none;
}
ul,ol{
    list-style: none;
}
a,a:hover{
    text-decoration: none;
}
.middle::before{
    content: '';
    display: inline-block;
    vertical-align: middle;
    width: 0;
    height: 100%;
}
.middle>img{
    max-width: 100%;
}
.clearfix{
    zoom: 1;
}
.clearfix::after{
    content: '';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}