.ly_video_4 .title{text-align: center}.ly_video_4 .video_list{margin-top: 60px;display: flex;align-items: center;justify-content: left;flex-wrap: wrap}.ly_video_4 .video_list .left_side{width: 40%}.ly_video_4 .video_list .left_side .item{width: 100%;position: relative}.ly_video_4 .video_list .left_side .item a{width: 100px;height: 100px}.ly_video_4 .video_list .left_side .item a i{border-width: 14.5px 0 14.5px 21px}.ly_video_4 .video_list .right_side{width: 60%;display: flex;align-items: baseline;justify-content: left;flex-wrap: wrap}.ly_video_4 .video_list .right_side .item{width: calc( 100% / 3 );position: relative;overflow: hidden}.ly_video_4 .video_list .item a{width: 80px;height: 80px;position: absolute;top: 50%;left: 50%;transform: translate(-50%, -50%);border: 8px solid #ff6600;border-radius: 100%;box-sizing: border-box;z-index: 2}.ly_video_4 .video_list .item a i{display: inline-block;width:0;height:0;border-width: 11.5px 0 11.5px 17px;border-style:solid;border-color:transparent transparent transparent #ff6600;position: absolute;top: 50%;left: 50%;transform: translate(-50%, -50%)}.ly_video_4 .video_list .item:before{content: '';width: 100%;height: 100%;position: absolute;top: 50%;left: 50%;transform: translate(-50%, -50%);z-index: 1;pointer-events: none}@media screen and (max-width: 1000px){.ly_video_4 .video_list{margin-top: 30px}.ly_video_4 .video_list .left_side,
    .ly_video_4 .video_list .right_side{width: 100%}.ly_video_4 .video_list .left_side .item a{width: 50px;height: 50px;border-width: 4.5px}.ly_video_4 .video_list .left_side .item a i{border-width: 8px 0 8px 12px}.ly_video_4 .video_list .right_side .item a{width: 40px;height: 40px;border-width: 4.5px}.ly_video_4 .video_list .right_side .item a i{border-width: 8px 0 8px 12px}}