video{width: 100%;position: relative;}
@media screen and (min-width:751px){
	.main{padding-bottom: 70px;}
	.live-item{height:500px;width: 100%; }
	.live-item-video{height:100%;width: 100%;flex-grow: 1;flex-shrink: 1;}
	.live-item-chat{height:100%;width: 25%;}
	video{width: 100%;height: 100%;}
	.player-container-id-rescource-dimensions{width: 100% !important;height: 500px !important;}
	.player-container-id-rescource-dimensions{width:100%;height: 500px;}
	.player-container-id-dimensions{width:100%;height: 500px;}
	.content-box{padding:0 22px 20px; border: 0.966549px solid #E9E9E9;border-radius: 4px;width: 100%;background: #fff;}
	.content-box h3{font-size: 22px;padding: 20px 0;color: #444444;font-weight: 500;} 
	.content{color: #828282;padding-bottom: 22px;font-size: 16px;line-height: 25px;} 
	.live-teacher{flex-shrink: 0;}
	.live-teacher img{width: 30px;height: auto;border-radius: 50%;margin-right: 10px;}
	.operate-count{color:#fff;font-size: 14px;color: #8D909C;margin-bottom: 20px;}
	.operate-count img{width: 17px;height: auto;margin-right: 4px;}
	.operate-count .bggrey{height: 38px;background: #F3F3F3;border-radius: 19px;padding: 0 15px;margin-left: 20px;}
	.operate-count .active{color: #FF6725;background: #FFF3E9;}
	.course-item-file{background: #fff;}
	.course-item-file>li{padding: 15px 0px;border-bottom: 1px dashed #f0f2f4;}
	.course-item-file>li:last-child{border-bottom: none;}
	.course-item-file>li .other_file{color: #4F4F4F;font-size: 14px;cursor: pointer;word-break: break-all;margin-right: 10px;}
	.course-item-file>li .filetype{width: 25px ;height:auto;cursor: pointer;margin-right: 6px;}
	.course-item-file>li .download{width: 15px ;height:auto;cursor: pointer;margin-left: 20px;}
	.course-item-file .file-button{color: #28B28B;font-size: 16px; cursor: pointer;}
	.course-item-file .file-button p:first-child{margin-right: 20px;}
		.course-item-file .file-button{color: #28B28B;font-size: 16px; cursor: pointer;}
	.course-item-file .file-button p:first-child{margin-right: 20px;}
	.marker{position: absolute;left: 50%;top: 50%;margin: auto;border: 0;text-align: center;width: 220px;transform: translate(-50%,-50%);
		border-radius: 24px;box-sizing: border-box;
		z-index: 1001;width: 320px;
		background: rgba(43, 44, 51, .6);
		border-radius: 50px;font-weight: 500;padding: 38px 0;
		font-size: 16px;
		color: #FFFFFF;}
		.live_teacher_img{
			width: 30px !important;height: auto;border-radius: 50%;margin-right: 10px;
		}
		.live_teacher{
			font-size: 14px;color: #2B2C33;
		}
		.live-item-video-end{height:100%;width: 100%;flex-grow: 1;flex-shrink: 1;position: relative;}
		.live-item-video-end p{position: absolute;top: 50%;background: rgba(0, 0, 0,.6);left: 0;right: 0;padding: 10px 0;transform: translateY(-50%);;margin: auto;border: 0;box-sizing: border-box;z-index: 1001;width: 320px;padding: 25px 0;border-radius: 50px;;display: flex;flex-direction: column;justify-content: center;align-items: center;}
		.live-item-video-end p span{font-size: 16px;color: #FFFFFF;margin-bottom: 5px;}
		.live-item-video-end p a{font-size: 14px;color: #B4B6BE;}
}


@media screen and (max-width:750px){
	.main{padding-bottom: .3rem;}
	.live-item-chat{height:calc(100vh - 7rem);width: 100%;background: #F5F7F7;}
	.live-item-video{height:100%;width: 100%;}
	.course-item{background: #fff;}
	.course-item h4{padding: 0.20rem;font-weight: bold;font-size: 0.32rem;color: #2B2C33;padding-left: 0.48rem;position: relative;padding-top: 0.6rem;}
	.course-item h4::after{position: absolute;left: 0.3rem;width: 0.1rem;
		height: 0.32rem;
		background: #28B28B;
		border-radius: 3px;top: 68%;transform: translateY(-50%);content: '';}


	.video-playback{width: 100%;background: #fff;}
	.video-js{width: 100%;}
	.player-container-id-rescource-dimensions{width:100%;height: 220px;}
	.player-container-id-dimensions{width:100%;height: 8rem;}
	.content-box{padding:0 0.3rem 0.2rem;background: #fff; }
	h3{font-size: 0.36rem;padding: 0.3rem 0;color: #444444;font-weight: 500;} 
	.content{color: #828282;padding-bottom: 0.3rem;font-size: 0.28rem;line-height: 0.4rem;} 
	.live-teacher{font-size: 0.28rem;color: #2B2C33;}
	.live-teacher img{width: 0.6rem !important;height: auto;border-radius: 50%;margin-right: 0.2rem;}
	.operate-count{font-size: 0.28rem;color: #8D909C;}
	.operate-count img{width: 0.3rem;height: auto;margin-right: 0.08rem;}
	.operate-count .bggrey{height: 0.6rem;background: #F3F3F3;border-radius: 0.3rem;padding: 0 0.3rem;margin-left: 0.2rem;}
	.operate-count .active{color: #FF6725;background: #FFF3E9;}
	.course-item-file{padding: 0 0.3rem;background: #fff;}
	.course-item-file>li{padding: 0.3rem 0;border-bottom: 0.02rem dashed #f0f2f4;background: #fff;-webkit-tap-highlight-color: rgba(0,0,0,0);-webkit-tap-highlight-color: transparent; }
	.course-item-file>li:last-child{border-bottom: none;}
	.course-item-file>li .other_file{color: #4F4F4F;font-size: 0.28rem;cursor: pointer;word-break: break-all;margin-right: 0.2rem;}
	.course-item-file>li .filetype{width: 0.5rem;height:auto;cursor: pointer;margin-right: 0.12rem;}
	.course-item-file>li .download{width: 0.3rem;height:auto;cursor: pointer;margin-left: 0.4rem;}
	.course-item-file .file-button{color: #28B28B;font-size: 0.26rem; cursor: pointer;white-space:nowrap;}
	.course-item-file .file-button p:first-child{margin-right:0.2rem;}
	.live_teacher_img{
		width: 0.6rem !important;height: auto;border-radius: 50%;margin-right: 0.2rem;
	}
	.live_teacher{
		font-size: 0.28rem;color: #2B2C33;
	}
	.marker{position: absolute;left: 50%;top: 50%;margin: auto;transform: translate(-50%,-50%);background: rgba(43, 44, 51, .6);
		border-radius: 50px;font-weight: 500;width: 4.4rem;
	    border: 0;text-align: center;padding: 0.3rem 0;;box-sizing: border-box; z-index: 1001;font-size: 0.24rem;color: #fff;}
		.live-item-video-end{position: relative;}
		.live-item-video-end p{position: absolute;left: 50%;top: 50%;margin: auto;transform: translate(-50%,-50%);background: rgba(43, 44, 51, .6);
			border-radius: 50px;font-weight: 500;width: 4.4rem;
			border: 0;text-align: center;padding: 0.2rem 0;;box-sizing: border-box; z-index: 1001;font-size: 0.24rem;color: #fff;display: flex;flex-direction: column;justify-content: center;align-items: center;}
			.live-item-video-end p span{font-size: 0.24rem;color: #FFFFFF;margin-bottom: 0.04rem;}
			.live-item-video-end p a{font-size: 0.2rem;color: #B4B6BE;}

}


.vcp-error-tips{display: none !important;}
.vcp-poster-pic.cover{object-fit: cover;height: 100%;}
.vcp-vertical-switcher-item.current{color: #28B28B !important;}