.iframe-container{position:relative;overflow:hidden;height:0;padding-top:20px;padding-bottom:56%}.video-container embed, .video-container
iframe{position:absolute;top:0;left:0;width:100%;height:100%}.video_attr{padding: .1rem .2rem}.video_attr
h1{font-size: .4rem;line-height:1.5}.video_attr
.info{font-size: .24rem;line-height: .6rem;height: .6rem;padding-bottom: .1rem;color:#b0b0b0;border-bottom:1px solid #e9e9e9}.video_attr .info
span{display:block;float:left;padding-right: .4rem}.video_attr .info .time:before{display:inline-block;width: .28rem;height: .31rem;margin-top:-2px;margin-right: .1rem;content:'';vertical-align:middle;background:url(/mobile/img/clock.png) no-repeat;background-size:100% auto}.video_attr .info .author:before{display:inline-block;width: .28rem;height: .31rem;margin-top:-4px;margin-right: .08rem;content:'';vertical-align:middle;background:url(/mobile/img/author.png) no-repeat;background-size:100% auto}.video_attr .info .comment:before{display:inline-block;width: .30rem;height: .27rem;margin-top:-2px;margin-right: .08rem;content:'';vertical-align:middle;background:url(/mobile/img/msg.png) no-repeat;background-size:100% auto}.video_introduce{margin-bottom:-.4rem;padding: .2rem}.video_introduce
p{font-size: .28rem;line-height: .48rem;text-indent:2em}