* {
    margin: 0;
    padding: 0;
}

html,
body {
    -webkit-text-size-adjust: none;
    width: 100%;
    height: 100%;
}

body {
    font-family: 'PingFang SC', "Helvetica Neue", Helvetica, "microsoft yahei", arial, STHeiTi, sans-serif;
}

.clearfix:after {
    display: block;
    clear: both;
    content: "";
    visibility: hidden;
    height: 0;
}

ul, li {
    list-style: none;
}

.clearfix {
    zoom: 1;
}
