.playBox{
	width: 1200px;
	height: 800px;
	margin: 0 auto;
	position: relative;
}

.playBox .header{
	width: 100%;
	height: 200px;
	background: url(../img/videoHeader.png) no-repeat 0 bottom;
	background-size: 1200px 140px;
	position: relative;
}

.playBox .header .title{
	position: absolute;
	display: block;
	width: 97%;
	height: 50px;
	left: 3%;
	bottom: 10%;
	color: white;
	text-align: left;
	font-size: 34px;
	line-height: 50px;
	font-weight: bolder;
}

.playBox .header .search{
	position: absolute;
	width: 390px;
	height: 40px;
	right: 3%;
	bottom: 12%;
	border-radius: 3px;
	-webkit-border-radius: 3px;
	-moz-border-radius: 3px;
	-ms-border-radius: 3px;
	-o-border-radius: 3px;
	overflow: hidden;
	background: #F15A23;
}

.playBox .header .search .label{
	width: 297px;
	height: 100%;
	border: none;
	background-color: #494949;
	color: #8c8c8c;
	font-size: 18px;
	float: left;
}

.playBox .header .search .btn{
	width: 90px;
	height: 100%;
	background:url(../img/search.png) no-repeat 5px center;
	background-size: 25px 25px;
	border: none;
	color: white;
	font-size: 20px;
	text-align: right;
	padding-right: 10px;
	float: right;
}

.playBox .player{
	width: 896px;
	height: 600px;
	position: absolute;
	bottom: 0;
	background: #141414;
}

.playBox .player video{
	width: 850px;
	height:560px;
	position: absolute;
	top: 20px;
	left: 23px;
}

.playBox .list{
	width: 300px;
	height: 600px;
	position: absolute;
	bottom: 0;
	right: 0;
	background: #141414;
}

.sDBoard .teacherDetail{
	width: 300px;
	height: 800px;
	position: absolute;
	right: 0;
}

.sDBoard .teacherDetail .teacherMessage{
	width: 300px;
	height: 350px;
	position: relative;
	background: #141414;
}

.sDBoard .teacherDetail .teacherMessage .image{
	width: 140px;
	height: 140px;
	border-radius: 70px;
	-webkit-border-radius: 70px;
	-moz-border-radius: 70px;
	-ms-border-radius: 70px;
	-o-border-radius: 70px;
	margin-left: 90px;
	margin-top: 50px;
}

.sDBoard .teacherDetail .teacherMessage .name{
	display: block;
	width: 100%;
	height: 30px;
	text-align: center;
	line-height: 30px;
	color: white;
	font-size: 24px;
	font-weight: bolder;
	margin-top: 30px;
}

.sDBoard .teacherDetail .teacherMessage .desc{
	display: block;
	width: 90%;
	height: 60px;
	text-align: center;
	/*line-height: 30px;*/
	color: #ccc;
	font-size: 14px;
	font-weight: bolder;
	margin-top: 20px;
	margin-left: 5%;
}