* {
    margin: 0;
    padding: 0;
}
em,i {
    font-style: normal;
}
li {
    list-style: none;
}
img {
    border: 0;
    vertical-align: middle;
}
button {
    cursor: pointer;
}

a {
    color: #000;
    text-decoration: none;
}

 
button,
input {
    font-family:  PingFangSC-Semibold, PingFang SC,PingFang SC,Microsoft YaHei,Heiti SC,tahoma,arial,Hiragino Sans GB,"\5B8B\4F53",sans-serif;

}
body {
    -webkit-font-smoothing:antialiased;
    background-color: #fff;
    font: 16px/1.5 PingFangSC-Semibold, PingFang SC,PingFang SC,Microsoft YaHei,Heiti SC,tahoma,arial,Hiragino Sans GB,"\5B8B\4F53",sans-serif;
    color: #000;
}
.hide,.none {
    display: none;
}
/* 伪元素清除浮动 */
.clearfix:after {
    visibility: hidden;
    clear: both;
    display: block;
    content: ".";
    height: 0;
}
.clearfix {
    *zoom: 1
}