html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, font, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-size: 100%;
}
html{
    min-height: 100%; 
    height: 100%;
}
body{
    margin: 0;
    font-size: 14px;
    font-family: "PingFangSC-Light","Microsoft YaHei",STHeiTi, Arial,sans-serif;
    line-height: 1.5;
    color: #686e72;
    background-color: #fff;
    min-height: 100%;
    height: 100%;
    overflow-x: hidden;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
body.no-scroll{
    overflow: hidden;
}
ol,ul{
    list-style: none;
}
a{
    text-decoration : none;
}
.clearfix{
    zoom:1;
}
.clearfix:after{
    visibility: hidden;
    display: block;
    font-size: 0;
    height: 0;
    line-height: 0;
    content: "";
    clear: both;
}
.fl{
    float: left;
}
.fr{
    float: right;
}