video{width: 100%;}

@media screen and (min-width:751px){
	.main{padding-bottom: 70px;}
	.player-container-id-dimensions{width:100%;height: 500px;}
	.content-box{padding:0 22px; border: 0.966549px solid #E9E9E9;border-radius: 4px;width: 100%;background: #fff;}
	h3{font-size: 22px;padding: 20px 0;color: #444444;font-weight: 500;} 
	.content{color: #828282;padding-bottom: 22px;font-size: 16px;line-height: 25px;} 
	.article .content{border-top: 1px solid #E9E9E9;padding-top: 22px;} 
	.banner{width: 70%;height: auto;margin-bottom: 22px;}
	.operate-count{height: 82px;color:#fff;font-size: 14px;color: #8D909C;border-top: 1px solid #E9E9E9;}
	.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{padding:10px 30px 0 20px;background: #fff;}
	.course-item-file>li{padding: 15px 10px;border-bottom: 1px dashed #f0f2f4;background: #fff;}
	.course-item-file>li:last-child{border-bottom: none;}
	.course-item-file>li p{color: #4F4F4F;font-size: 14px;cursor: pointer;}
	.course-item-file>li .filetype{width: 22px ;height:auto;cursor: pointer;margin-right: 6px;}
	.course-item-file>li .download{width: 15px ;height:auto;cursor: pointer;margin-left: 20px;}
	h4{color: #4F4F4F;font-size: 16px;padding: 10px; font-weight: 600;margin-top: 20px;}
	
}


@media screen and (max-width:750px){
	.main{padding-bottom: .3rem;}
	.video-playback{width: 100%;background: #fff;}
	.video-js{width: 100%;}
	.player-container-id-dimensions{width:100%;height: 400px;}
	.content-box{padding:0 0.3rem;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;} 
	.article .content{border-top: 0.02rem solid #E9E9E9;padding-top: 0.3rem;} 
	.banner{width: 100%;height: auto;margin-bottom: 0.3rem;}
	.operate-count{font-size: 0.28rem;color: #8D909C;border-top: 0.02rem solid #E9E9E9;padding: 0.3rem 0;}
	.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:0.2rem 0.6rem 0 0.4rem;background: #fff;}
	.course-item-file>li{padding: 0.3rem 0.3rem;border-bottom: 0.02rem dashed #f0f2f4;}
	.course-item-file>li:last-child{border-bottom: none;}
	.course-item-file>li p{color: #4F4F4F;font-size: 0.28rem;cursor: pointer;}
	.course-item-file>li .filetype{width: 0.44rem;height:auto;cursor: pointer;margin-right: 0.12rem;}
	.course-item-file>li .download{width: 0.3rem;height:auto;cursor: pointer;margin-left: 0.4rem;}
	h4{color: #4F4F4F;font-size: 0.32rem;padding: 0.2rem; font-weight: 600;margin-top: 0.4rem;}
	.dialog-box-main{
		padding-top: 0.2rem;
		border-radius: 8px 8px 8px 8px;
	}
	.agre_tips{
	padding: 0 0.6rem;
	color:#333333 !important;
	font-size:0.32rem !important;
	font-weight:bold;
	margin-bottom:0.24rem;
	}
	.flx_g_h5tips {
	display: block;
	font-size: 0.34rem !important;
	text-align: center;
	padding: 0.2rem 0 0.32rem;
	}
}
.success_tips{
    position: absolute;right: 0;
    top: -50px;
    font-size: 14px;
    color: #fff;
    background-color: #4F4F4F;
    border-radius: 4px;
    padding: 5px 10px;
}