.ly_poster_79 .top_title{margin-bottom: 58px;text-align: center}.ly_poster_79 .poster_box{display: flex;align-items: center;justify-content: center;flex-wrap: wrap}.ly_poster_79 .poster_box .poster_item{margin-top: 30px;margin-right: 30px;width: calc( ( 100% - 60px ) / 3 )}.ly_poster_79 .poster_box .poster_item .pic_box{overflow: hidden}.ly_poster_79 .poster_box .poster_item:last-child{margin-right: 0}.ly_poster_79 .poster_box .poster_item.big_pic{width: 100%;margin: 0}@media screen and (max-width: 1000px){.ly_poster_79 .top_title{margin-bottom: 25px}.ly_poster_79 .poster_box .poster_item{margin-top: 15px;width: 100%;margin-right: 0}}