div, p, h1, h2, h3, h4, h5, h6, ul, li, ol, dl, dd, dt, img, body, html {
    margin: 0;
    padding: 0;
    font-weight: 500;
}


a {
    text-decoration: none;
    color: rgb(51, 51, 51);
    cursor: pointer;
}

ul li, ol li, dl dd dt {
    list-style: none;
}

.clearfix {
    zoom: 1;
}

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

body {
    font-size: 12px;
    font-family: "微软雅黑", "华文楷体", "楷体";
}

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


.flex-between {

    display: flex;
    justify-content: space-between;
    flex-flow: wrap;
}