.article-container {
    width: 800px;
    margin: 50px auto 20px auto;
}

.title {
    margin-bottom: 24px;
    font-size: 25px;
    font-weight: 600;
    line-height: 35px;
    color: #222;
}

.info {
    font-size: 12px;
    color: #999;
}
.info span {
    margin-right: 10px;
}

.article-body {
    border-top: 1px dotted #c8c8c8;
    margin-top: 20px;
    padding-top: 20px;
}

.article-body p {
    color: #333;
    line-height: 28px;
    margin-top: 5px;
    padding-bottom: 10px;
    font-size: 16px;
    font-family: "SF Pro SC","HanHei SC","SF Pro Text","Myriad Set Pro","SF Pro Icons","PingFang SC",'Segoe UI',SegoeUI,'Microsoft YaHei',微软雅黑,"Helvetica Neue","Helvetica","Arial",sans-serif;
}

.related {
    width: 800px;
    margin: 0 auto;
    padding: 20px 0 50px 0;
}

.related .tit {
    width: 100%;
    height: 35px;
    line-height: 35px;
    display: flex;
    justify-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
    color: #333;
}

.related-content {
    width: 100%;
    margin-bottom: 20px;
    padding-top: 20px;
    border-top: 1px dotted #c8c8c8;
}

.foot {
    width: 100%;
    border-top: 1px solid #d8d8d8;
}

.foot-container {
    width: 80%;
    max-width: 1000px;
    min-width: 800px;
    margin: 0 auto;
    padding: 60px 0;
    display: flex;
    flex-direction: row;
}
.about, .contact, .foot-nav {
    width: 33.33%;
}

.foot-nav, .contact {
    margin-top: 40px;
}

.about h2 {
    width: 226px;
    display: block;
    height: 30px;
    line-height: 30px;
    font-weight: bold;
    font-size: 20px;
    margin-bottom: 10px;
}

.about p {
    width: 250px;
    display: block;
    line-height: 25px;
}

.contact p {
    float: right;
    line-height: 25px;
}

.foot-nav ul li {
    width: 100%;
    text-align: center;
    line-height: 25px;
}

.copyright {
    width: 800px;
    margin: 0 auto;
    padding: 20px 0;
    display: flex;
    justify-content: center;
    justify-items: center;
}

.copyright span {
    padding: 0 5px;
}

.copyright span a, .foot-nav li a {
    color: rgb(102, 102, 102);;
}

.copyright span a:hover, .foot-nav li a:hover {
    color: #0080ff;
}

.toolbar {
    width: 59px;
    position: fixed;
    right: 20px;
    bottom: 50px;
}

.go-to-top {

}
.wechat-qr {

}
.wehat-qr-btn {
    border: 1px solid #eee;
    width: 59px;
    height: 59px;
    padding: 0 !important;
    margin: 0 !important;
    background: transparent;
}

.go-to-top a {
    display: block;
    padding: 20px 10px;
    background: #999;
    filter:alpha(opacity=50);
    -moz-opacity:0.5;
    -khtml-opacity: 0.5;
    opacity: 0.5;
    -webkit-transition: all .5s;
    -moz-transition: all .5s;
    -ms-transition: all .5s;
    -o-transition: all .5s;
    transition: all .5s;
    color: #fff;
}
.go-to-top a:link {
    color: #fff;
    text-decoration: none;
    -moz-opacity:0.8;
    -khtml-opacity: 0.8;
    opacity: 0.8;
}
.go-to-top a:hover {
    background: #333;
}