.video-monitor{height:100%;width:100%;background:url(../img/bj1.d66f98c7.jpg) no-repeat;background-size:100% 100%}.video-monitor .top-wrap{height:6.25rem;width:100%;background-image:url(../img/top.bc2c1e95.png);background-repeat:no-repeat;background-position:top;background-size:auto 100%;position:relative;z-index:1}.video-monitor .main-wrap{width:100%;height:calc(100% - 6.25rem);display:flex;flex-wrap:wrap}