.ly_about_21 .poster_box .text_side{display: flex;justify-content: space-between;align-items: flex-start}.ly_about_21 .poster_box .text_side .title{line-height:1.4;width: 100%}.ly_about_21 .poster_box .text_side .content{line-height:1.6;width: 100%}.ly_about_21 .poster_box .pic_side{display: grid;gap: 30px;grid-template-columns: repeat(4, calc((100% - 3 * 30px) / 4));margin-top: 70px}.ly_about_21 .poster_box .pic_side .img_box{display: inline-block;overflow: hidden}@media screen and (max-width: 1000px){.ly_about_21 .poster_box .text_side{flex-wrap: wrap}.ly_about_21 .poster_box .text_side .title{width: 100%}.ly_about_21 .poster_box .text_side .content{width: 100%;margin-top: 16px}.ly_about_21 .poster_box .pic_side{gap: 15px;margin-top: 16px}.ly_about_21 .poster_box .pic_side{grid-template-columns: repeat(2, calc((100% - 15px) / 2))}}