body {
    margin: 0;
    padding: 0;
    font-family: 'Microsoft YaHei', sans-serif;
    -webkit-font-smoothing: antialiased;
    font-weight: 500;
    overflow-x: hidden;
}

.clarfix {
    clear: both;
}

.por {
    position: relative;
}
.poa {
    position: absolute;
}

a {
    text-decoration: none;
    color: inherit;
    /* transition: all 0.5s ease; */
}

.w1400 {
    width: 1400px;
    margin: 0 auto;
}

.fll {
    float: left;
}
.flr {
    float: right;
}
.ovh {
    overflow: hidden;
}
.fz20 {
    font-size: 20px;
}

.mt30{
    margin-top: 30px;
}