ul.timeline {
    list-style-type: none;
    position: relative;
}
ul.timeline:before {
    content: ' ';
    background: #d4d9df;
    display: inline-block;
    position: absolute;
    left: 29px;
    width: 2px;
    height: 100%;
    z-index: 400;
}
ul.timeline > li {
    margin: 20px 0;
    padding-left: 50px;
}
ul.timeline > li:before {
    content: ' ';
    background: white;
    display: inline-block;
    position: absolute;
    border-radius: 50%;
    border: 3px solid #22c0e8;
    left: 20px;
    width: 20px;
    height: 20px;
    z-index: 400;
}

#stat_3rd{
    height: 1px;
    overflow: hidden;
    background: #172430;
}

/* 强制换行 */
.post-item .post-excerpt{
    word-wrap:break-word;
    word-break:break-all;
    overflow: hidden;
}

/* 2020.7.17新增 为了让图片居中。 后台编辑的时候居中也可以，这样更灵活一点
.text_img{
    display: block;
    text-align: center;
}
*/