.videoArea {
	height: 4rem;
	position: relative;
}
.courseFoot .item p {
	text-align: center;
}
.videoArea .cover {
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
	background-color: #000000;
}

.videoArea .cover img {
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	width: .88rem;
	height: .88rem;
}





.chapterNav .chapterClone:nth-child(1) {
	position: relative;
	z-index: 10000;
}

.isExchange {
	display: none;
	font-size: 0.22rem;
	font-family: PingFangSC-Medium, PingFang SC;
	font-weight: 500;
	color: #999999;
	line-height: .52rem;
	position: absolute;
	right: .32rem;
	top: .35rem;
}

.chapterNav .chapterClone {
	position: relative;
}
.wrapBox {
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.3);
	position: fixed;
	top: 0;
	left: 0;
	z-index: 9999;
}
.wrap {
	width: 323px;
	height: 304px;
	background: #ffffff;
	position: absolute;
	overflow: hidden;
	top: 0;
	right: 0;
	left: 0;
	bottom: 0;
	margin: auto;
	border-radius: .15rem;
}

#wxOff-txt,
#wxOff-bth {
	display: none;
}

.wrap dl {
	box-sizing: border-box;
}

.wrap dl dt {
	height: 61px;
	font-size: 18px;
	font-family: PingFangSC-Semibold;
	color: rgba(51, 51, 51, 1);
	line-height: 61px;
	text-align: center;
}
.wrap .toRegisterBox{
	overflow: hidden;
}
.wrap .toRegister {
	height: .35rem;
	font-size: 14px;
	font-family: PingFangSC-Regular;
	color: rgba(51, 51, 51, 1);
	float: right;
}
.wrap .forgetPassword {
	float: left;
	font-size: 14px;
	font-family: PingFangSC-Regular;
	color: rgba(51, 51, 51, 1);
	overflow: hidden;
}
.wrap .main {
	box-sizing: border-box;
	width: 100%;
	padding: 0 25px .3rem;
	overflow: hidden;
}

.main .tab span {
	display: inline-block;
	height: .27rem;
	font-size: .27rem;
	font-family: PingFangSC-Medium;
	color: rgba(51, 51, 51, 1);
	line-height: .27rem;
	margin-right: .4rem;
	margin-bottom: .3rem;
}

.main .tab .selected {
	pointer-events: none;
	color: rgba(242, 140, 0, 1);
}

.main ul li {
	position: relative;
	width: 100%;
	height: 48px;
	background: rgba(245, 245, 245, 1);
	border-radius: 0.08rem;
	box-sizing: border-box;
	padding-left: .3rem;
	font-size: .3rem;
	font-family: PingFangSC-Regular;
	color: #333;
	margin-bottom: 17px;
}

.main ul li input {
	width: 100%;
	height: 100%;
	line-height: 100%;
	background: transparent;
	border: none;
	outline: none;
	font-size: 16px;
	color: #333333;
}

.main ul li input::-webkit-input-placeholder {
	font-size: .3rem;
	font-family: PingFangSC-Regular;
	color: rgba(153, 153, 153, 1);
}

.quickdelete {
	position: absolute;
	top: 0;
	bottom: 0;
	margin: auto 0;
	right: .12rem;
	width: .36rem;
	height: .36rem;
	line-height: .36rem;
	border-radius: 50%;
	font-style: normal;
	background: rgba(180, 180, 180, 1);
	color: white;
	text-align: center;
	font-size: .36rem;
	font-family: PingFangSC-Medium;
}



.tips {
	margin-bottom: .2rem;
	font-size: .27rem;
	color: #999;
	line-height: .3rem;
}

.button {
	margin-top: 24px;
	text-align: center;
}

.button>button {
	width: 100%;
	height: 48px;
	line-height:  48px;
	border-radius: 0.08rem;
	font-size: 18px;
	font-family: PingFangSC-Medium;
	color: rgba(255, 255, 255, 1);
	border: none;
}

.button>button>img {
	width: .56rem;
	height: .43rem;
	vertical-align: middle;
}

.button>div {
	height: .24rem;
	font-size: .24rem;
	font-family: PingFangSC-Regular;
	color: rgba(153, 153, 153, 1);
	line-height: .24rem;
	margin-top: 1.8rem;
	margin-bottom: .3rem;
	text-align: center;
}

.login {
	background: linear-gradient(135deg, rgba(255, 169, 52, 1), rgba(242, 140, 0, 1));
}
.briefingPopWrapBox_wordBox li{
	font-size: 0.275rem;
}