@charset "utf-8";
.g_lunbox{
	width:950px;
	overflow:hidden;
}
.g_lboxnr{
    width:267px;
    padding-left: 8px;
    padding-right:8px;
    float: left;
}
.g_lboxnrtu{
	width:100%;
}
.g_lboxnrtu img{
	width:100%;
}
.g_jian1, .g_jian2{
	width:32px;
	display: inline-block;
	margin-right: 20px;
	cursor: pointer;
}
.g_jian1 img, .g_jian2 img{
	width:100%;
}
.g_jianbox {
	text-align: right;
	margin-top: 18px;
	margin-right: 60px;
}
@media screen and (min-width: 1200px){
	.w_shipinbox{
		background: none !important;
	}
	.return{
  display: none;
 }
}
@media screen and (max-width: 1200px){
	.g_lunbox{
		width:100%;
		margin-left: -8px;
	}
	.w_x{
		top: 5%;
		right: 5%;
	}
	.g_jianbox{
		margin-right: 0;
	}
	.g_jian1, .g_jian2{
		margin-right: 10px;
	}
}
.w_shipin{
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	background: rgba(0,0,0,0.8);
	display: none;
	z-index: 9999999999999;
}
.w_shipinbox{
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
	width: 100%;
	height: 100%;
}
.w_shipinbox video{
	width: 100%;
	position: relative;
	top: 50%;
	transform: translateY(-50%);
	overflow: hidden;
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
}
.w_x{
	position: absolute;
	top: 2.9%;
	right: 2.3%;
	color: #fff;
	font-size: 30px;
	cursor: pointer;
	z-index: 999;
}
.w_guanbi{
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 1;
	cursor: pointer;
}
#videoContainer video{
	display: none !important;
}
#videoBox,#videoRemoveBack{
	display: none !important;
}
.g_lboxnra1{
	opacity: 0;
}
.g_lboxnra2{
	opacity: 0;
}
.g_lboxnra3{
	opacity: 0;
}
.g_lboxnra4{
	opacity: 0;
}
.g_lunbox.actb .g_lboxnra1{
	opacity: 1;
	transition: opacity 0.2s;
}
.g_lunbox.actb .g_lboxnra2{
	opacity: 1;
	transition: opacity 0.5s;
}
.g_lunbox.actb .g_lboxnra3{
	opacity: 1;
	transition: opacity 0.8s;
}
.g_lunbox.actb .g_lboxnra4{
	opacity: 1;
	transition: opacity 1s;
}
.w_auto{
	overflow-y: auto !important;
    overflow-x: hidden !important;
}
#videoBox{
    pointer-events: initial !important;
}
.course-box .main-description{
	overflow-y: auto !important;
    overflow-x: hidden !important;
}
.return{
  width: 26px;
  position: relative;
  z-index: 1;
  margin-left: 20px;
  transform: translateY(-8px);
}
#fixedFooter .return img{
  width: 100%;
  position: relative;
  top: auto;
  left: auto;
  transform: translateX(0);
}
#onlineParent{
	display:none;
}