/*页脚*/
.foot a:hover {
    color: #0e90d2;
}

.foot {
    margin-top: 80px;
    padding: 24px 0;
    background: #4e4e4e;
    color: #fff;
    position: relative;
}

.foot .QR-code {
    max-width: 100px;
    height: 100px;
    margin: auto;
    align-items: center;
    justify-content: center;
}

.foot .QR-code img {
    max-width: 90px;
    max-height: 90px;
    display: block;
    margin: 0 auto;
}

.foot .about_us {
    display: flex;
    justify-content: center;
    margin: 24px auto;
    text-align: center;
}

.foot .about_us a {
    color: inherit;
}

.foot .about_us>li {
    float: left;
    padding: 0 20px;
    font-size: 14px;
    color: #999;
}

.foot .about_us>li:not(:first-child) {
    border-left: 1px solid #999;
}

.foot .copyright {
    text-align: center;
    font-size: 14px;
    color: #999;
    margin-bottom: 5px;
    line-height: 20px;
}

.foot .copyright:last-of-type {
    margin-bottom: 0;
}

.foot .copyright a {
    color: inherit;
}