.video_wrapper{width:100vw;min-height:100vh;background:#fff}.video_wrapper .video_box{margin-bottom:.3rem;display:flex;flex-direction:column;align-items:center;justify-content:center}.video_wrapper .video_box .video_title{width:100%;padding:.2rem .3rem}.video_wrapper .video_box .prism-player{border-radius:.1rem}.video_wrapper .video_box .prism-player .prism-big-play-btn{top:20%;left:0;right:0;bottom:0;margin:auto 2.4rem}.video_wrapper .introduction{padding:.3rem;line-height:.45rem;height:6rem;overflow-y:scroll}