#video {
    width: 100%;
    padding-top: 40px;
}

.video-container {
    width: 100%;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-wrap: wrap;
        -ms-flex-wrap: wrap;
            flex-wrap: wrap;
}

.video-item {
    margin-left: 30px;
    width: 360px;
    border-radius: 4px 4px 0px 0px;
    margin-bottom: 26px;
}

.video-item:nth-child(3n+1) {
    margin-left: 0;
}

.descibe {
    padding: 14px 12px 6px 14px;
}

.descibe-main-title {
    font-size: 16px;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #2E3033;
    line-height: 26px;
}

.descibe-sub-info {
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #6C6E70;
    line-height: 26px;
}