.video_container {
    margin: 0 auto;
}

.video_container_yd {
    margin-top: 70px;
    padding-top: 20px;
}

.title {
    font-size: 16px;
    font-weight: 600;
    color: #333333;
    margin-top: 50px;
}

.title_yd {
    font-size: 16px;
    font-weight: 600;
    color: #333333;
    text-align: center;
}

.video_ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    width: 100%;
    margin-top: 40px;
}

.video_ul_yd {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
    margin-top: 20px;
}

.video_li {
    flex: 1;
    margin-right: 10px;
    height: 230px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

.video_li_yd {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
}

.video_li_yd img {
    width: 100%;
}

.video_li:last-child {
    margin-right: 0;
}

.video_li img {
    width: 250px;
    height: 200px;
}

.video_li_title {
    font-size: 14px;
    font-size: #333333;
}

.video_li_title span {
    color: #06F;
    font-weight: 600;
}