.ly_about_19{text-align: center}.ly_about_19 .top_title{width: 100%;box-sizing: border-box;padding: 0 12.5%}.ly_about_19 .top_title .t_title{margin-bottom: 90px;line-height: 1.5}.ly_about_19 .about_box{display: flex;align-items: center;justify-content: space-between;flex-wrap: wrap}.ly_about_19 .about_box .left_side{width: 49.31%;overflow: hidden}.ly_about_19 .about_box .right_side{width: 48.06%;display: flex;align-items: center;justify-content: space-between;flex-wrap: wrap}.ly_about_19 .about_box .right_side .item{width: 46.71%;height: 0;padding-bottom: 36%;position: relative;overflow: hidden}.ly_about_19 .about_box .right_side .item.full{margin-bottom: 30px;width: 100%}.ly_about_19 .about_box .right_side .item .i_title{padding: 20px;position: absolute;top: 50%;left: 50%;transform: translate(-50%, -50%);width: 80%}@media screen and (max-width: 1000px){.ly_about_19 .top_title .t_title{margin-bottom: 20px}.ly_about_19 .about_box .left_side,
    .ly_about_19 .about_box .right_side{width: 100% }
    .ly_about_19 .about_box .right_side{margin-top: 15px}.ly_about_19 .about_box .right_side .item{width: 47.83%}.ly_about_19 .about_box .right_side .item.full{margin-bottom: 15px}}