@charset "utf-8";
.flex_cb {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
}

.flex_cl {
	display: flex;
	align-items: center;
	justify-content: flex-start;
	flex-wrap: wrap;
}

.flex_cc {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-wrap: wrap;
}

.flex_tb {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	flex-wrap: wrap;
}

.flex_bl {
	display: flex;
	align-items: baseline;
	justify-content: flex-start;
	flex-wrap: wrap;
}

.flex_br {
	display: flex;
	align-items: baseline;
	justify-content: flex-end;
	flex-wrap: wrap;
}

.flex_bc {
	display: flex;
	align-items: baseline;
	justify-content: center;
	flex-wrap: wrap;
}

.flex_ca {
	display: flex;
	align-items: center;
	justify-content: space-around;
	flex-wrap: wrap;
}

.flex_ce {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	flex-wrap: wrap;
}

.hide {
	display: none;
}

.main_box {
	width: 1200px;
	margin: 0 auto;
	position: relative;
}

.font12_1 {
	font-size: 12px;
	color: #333;
}

.font12_2 {
	font-size: 12px;
	color: #666;
}

.font12_3 {
	font-size: 12px;
	color: #999;
}

.font14_1 {
	font-size: 14px;
	color: #333;
}

.font14_2 {
	font-size: 14px;
	color: #666;
}

.font14_3 {
	font-size: 14px;
	color: #999;
}

.font16_1 {
	font-size: 16px;
	color: #333;
}

.font16_2 {
	font-size: 16px;
	color: #666;
}

.font16_3 {
	font-size: 16px;
	color: #999;
}


/*单行超出省略*/

.oneoverflow {
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}


/*2行超出省略*/

.twooverflow {
	-webkit-line-clamp: 2;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
}

body {
	background: #f8f8f8;
}

.pc_video_banner {
	margin-top: 20px;
	margin-bottom: 60px;
}

.pc_video_banner .swiper-slide>a {
	background: #fff;
	display: flex;
	align-items: flex-start;
	justify-content: flex-start;
}

.pc_video_banner .swiper-slide .teacher_face {
	display: block;
	width: 642px;
	height: 364px;
}

.video_banner_r {
	flex: 1;
	padding: 30px;
}

.video_banner_r_hot {
	display: inline-block;
	vertical-align: top;
	height: 30px;
	line-height: 30px;
	background: rgba(215, 50, 29, 1);
	border-radius: 15px;
	font-size: 16px;
	color: #fff;
	text-align: center;
	padding: 0 19px;
	margin-bottom: 30px;
}

.video_banner_r_tit {
	font-size: 22px;
	color: #333333;
	font-weight: 600;
	margin-bottom: 30px;
}

.video_banner_r_text {
	font-size: 14px;
	color: #333333;
	line-height: 24px;
	margin-bottom: 32px;
	-webkit-line-clamp: 3;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
	overflow: hidden;
}

.pc_video_banner_info>span:first-child {
	display: inline-block;
	vertical-align: top;
	padding: 0 11px;
	height: 22px;
	background: rgba(255, 255, 255, 1);
	border-radius: 11px;
	border: 1px solid rgba(215, 50, 29, 1);
	font-size: 12px;
	color: #D7321D;
	text-align: center;
	line-height: 22px;
	margin-right: 20px;
}

.pc_video_banner_info>span:nth-child(2) {
	font-size: 12px;
	color: #999999;
	line-height: 22px;
}

.pc_video_banner .pc_video_banner_next {
	width: 40px;
	height: 40px;
	background: url(/pcHtml/static/video/images/right_arrow.png) no-repeat center center;
	background-size: 40px 40px;
	right: 0;
}

.pc_video_banner .pc_video_banner_prev {
	width: 40px;
	height: 40px;
	background: url(/pcHtml/static/video/images/left_arrow.png) no-repeat center center;
	background-size: 40px 40px;
	left: 0;
}

.pc_video_banner .pc_video_banner_next:hover,
.pc_video_banner .pc_video_banner_prev:hover {
	background-color: #000;
	border-radius: 50%;
	opacity: 0.5;
}

.pc_video_banner .pc_video_banner_pagination {
	bottom: 30px;
	text-align: right;
	box-sizing: border-box;
	padding-right: 10px;
	font-size: 12px;
	color: #CCCCCC;
}

.pc_video_banner .pc_video_banner_pagination .swiper-pagination-current {
	font-size: 30px;
	color: #D7321D;
	margin-right: -3px;
}

.pc_video_banner .pc_video_banner_pagination .swiper-pagination-total {
	font-size: 12px;
	color: #CCCCCC;
}

.pc_video_link {
	margin-bottom: 30px;
	text-align: center;
}

.pc_video_link>a {
	font-size: 18px;
	color: #333;
	margin-right: 20px;
	font-weight: 600;
}

.pc_video_link>a:hover {
	color: #D7321D;
}

.pc_video_list {
	font-size: 0;
}

.pc_video_list>li {
	display: inline-block;
	vertical-align: top;
	margin-right: 29px;
	margin-bottom: 30px;
	width: 278px;
	background: #fff;
	transition: all 0.3s ease;
}

.pc_video_list>li>a {
	display: block;
	height: 253px;
}

.pc_video_list>li:hover {
	transform: translateY(-10px);
	box-shadow: 0px 2px 14px 1px rgba(0, 0, 0, 0.1);
}

.pc_video_list>li:nth-child(4n) {
	margin-right: 0;
}

.pc_video_list_face {
	width: 278px;
	height: 160px;
	background-size: 278px 160px;
	position: relative;
}
.pc_video_list_face img{
	width: 278px;
	height: 160px;
}
.pc_video_list_face>i {
	position: absolute;
	left: 50%;
	top: 50%;
	margin-left: -16px;
	margin-top: -16px;
	width: 32px;
	height: 32px;
	background: url(/pcHtml/static/video/images/play.png) no-repeat center center;
	background-size: 32px 32px;
}

.pc_video_list_info {
	padding: 12px 16px 0 16px;
}

.pc_video_list_info>p {
	font-size: 14px;
	color: #333333;
	line-height: 22px;
	height: 44px;
	-webkit-line-clamp: 2;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
	margin-bottom: 10px;
}

.pc_video_list_play {
	font-size: 12px;
	color: #999;
}

.pc_video_list_play>span {
	margin-right: 12px;
}


/*频道页*/

.head_linktab {
	padding: 20px 0;
	font-size: 0;
}

.head_tab_guide>.main_box1200>a {
	padding: 0 22px;
}

.head_linktab a,
.head_linktab span {
	font-size: 12px;
	color: #333;
}

.head_linktab a:last-child {
	color: #999999;
	cursor: default;
}

.head_linktab i {
	font-size: 12px;
	color: #999;
	margin: 0 10px;
}

.pc_video_list_time {
	position: absolute;
	right: 10px;
	bottom: 10px;
	z-index: 1;
	font-size: 14px;
	color: #fff;
	text-align: center;
	padding: 1px 8px;
	border-radius: 10px;
	background: rgba(42, 46, 63, 0.5);
}

.channel_pc_l {
	width: 894px;
}
.twoSortName{
	 white-space: nowrap;
	 	font-weight: 600;
	 	    display: inline-block;
}
.subject{
	        float: right;
	            max-width: 80%;
}
.subject a{
	font-size: 16px;
    color: #666666;
        margin-left: 10px;
            white-space: nowrap;
}
.channel_pc_tit {
	font-size: 18px;
	color: #333;
	margin-bottom: 16px;
	    overflow: hidden;
}

.channel_pc_l_list {
	font-size: 0;
	margin-bottom:30px;
}

.channel_pc_l_list>li {
	margin-bottom: 20px;
	background: #fff;
	padding: 24px 25px;
	box-sizing: border-box;
	height: 221px;
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
}

.channel_pc_face {
	display: block;
	width: 300px;
	height: 173px;
	background-size: 300px 173px;
	position: relative;
}
.channel_pc_face img{
		width: 300px;
	height: 173px;
}
.channel_pc_face>i {
	position: absolute;
	left: 50%;
	top: 50%;
	margin-left: -16px;
	margin-top: -16px;
	width: 32px;
	height: 32px;
	background: url(/pcHtml/static/video/images/play.png) no-repeat center center;
	background-size: 32px 32px;
}

.channel_pc_info {
	width: 524px;
}

.channel_pc_info_top {
	height: 158px;
}

.channel_pc_info_tit {
	font-size: 22px;
	color: #333333;
	font-weight: 600;
	margin-bottom: 10px;
}

.channel_pc_info_text {
	display: block;
	font-size: 14px;
	color: #333333;
	line-height: 24px;
	-webkit-line-clamp: 3;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
	overflow: hidden;
}

.channel_pc_info_tit:hover,
.channel_pc_info_text:hover {
	color: #D7321D;
}

.channel_pc_r {
	width: 278px;
}

.channel_pc_r .pc_video_list>li {
	display: block;
}

.channel_pc_r .pc_video_list>li>a {
	height: auto;
}

.channel_pc_r .pc_video_list_info {
	padding-bottom: 15px;
}

.channel_pc_r .pc_video_list_info>p {
	line-height: 22px;
	height: auto;
	max-height: 44px;
}


/*视频详情*/

.video_pc_detail_main {
	background: #F8F8F8;
}

.video_pc_detail_ctt {
	width: 1200px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
}

.video_pc_detail_l {
	width: 882px;
	box-sizing: border-box;
	background: #FFFFFF;
}

.video_pc_detail_r {
	width: 300px;
}

.video_pc_detail_l>div{
		padding: 30px;
	 border-bottom: 20px solid #F8F8F8;
}
.video_pc_detail_l_ques h1 {
	font-size: 24px;
	font-family: PingFangSC-Semibold, PingFang SC;
	font-weight: 600;
	color: rgba(51, 51, 51, 1);
	line-height: 24px;
	margin-bottom: 22px;
}

.video_pc_detail_l_ques_icons {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 20px;
}

.video_pc_detail_l_ques_icons span {
	font-size: 12px;
	color: rgba(153, 153, 153, 1);
	margin-right: 16px;
}

.video_pc_detail_icons_list {
	font-size: 0px;
}

.video_pc_detail_icons_list li {
	display: inline-block;
	margin-left: 16px;
}

.video_pc_detail_icons_list li i {
	width: 20px;
	height: 16px;
	display: block;
	cursor: pointer;
}



.video_pc_detail_icons_list li i.video_pc_icon6 {
	width: 1px;
	background: #CCCCCC;
}

.video_pc_detail_l_answer p {
	font-size: 16px;
	color: rgba(51, 51, 51, 1);
	line-height: 26px;
	margin-bottom: 20px;
}
.video_pc_detail_l_answer{
	font-size: 16px;
	color: rgba(51, 51, 51, 1);
	line-height: 26px;
}
.video_pc_detail_l_answer p:last-child {
	margin-bottom: 0px;
}


.video_pc_detail_sp_tit {
	display: flex;
	justify-content: flex-start;
	align-items: center;
	margin-bottom: 15px;
}

.video_pc_detail_sp_tit i {
	width: 2px;
	height: 16px;
	background: rgba(248, 92, 91, 1);
	border-radius: 1px;
	margin-right: 12px;
}

.video_pc_detail_sp_tit h1 {
	font-size: 18px;
	font-weight: 600;
	color: rgba(51, 51, 51, 1);
	line-height: 25px;
}

.video_pc_detail_sp_list {
	font-size: 0px;
}

.video_pc_detail_sp_list>a {
	display: block;
}

.video_pc_detail_sp_list li {
	display: inline-block;
	width: 254px;
	margin-right: 30px;
	cursor: pointer;
	margin-bottom: 20px;
	/*transition: all 0.3s ease;*/
}

.video_pc_detail_sp_list li:hover {
	/*transform: translateY(-10px);*/
	/*box-shadow: 0px 2px 14px 1px rgba(0, 0, 0, 0.1);*/
}

.video_pc_detail_sp_list li:nth-child(3n) {
	margin-right: 0px;
}

.video_pc_detail_sp_item_tu {
	height: 146px;
	display: block;
	width: 100%;
	position: relative;
}
.video_pc_detail_sp_item_tu img{
	height: 146px;
	width:254px;
}
.video_pc_detail_sp_item_tu>i {
	position: absolute;
	left: 50%;
	top: 50%;
	margin-left: -16px;
	margin-top: -16px;
	width: 32px;
	height: 32px;
	background: url(/pcHtml/static/video/images/play.png) no-repeat center center;
	background-size: 32px 32px;
}

.video_pc_detail_sp_item_text {
	padding: 12px 0px;
}

.video_pc_detail_sp_item_text p {
	font-size: 14px;
	color: rgba(51, 51, 51, 1);
	line-height: 20px;
	height: 40px;
	-webkit-line-clamp: 2;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
	margin-bottom: 12px;
}

.video_pc_detail_sp_item_text span {
	font-size: 12px;
	color: rgba(153, 153, 153, 1);
	line-height: 12px;
	margin-right: 12px;
}

.video_pc_detail_articel_list {
	font-size: 0px;
}

.video_pc_detail_articel_tit {
	margin-bottom: 20px;
}

.video_pc_detail_articel_list li {
	border-bottom: 1px solid #EEEEEE;
	margin-bottom: 16px;
	padding-bottom: 11px;
}

.video_pc_detail_articel_list li:last-child {
	margin-bottom: 30px;
}

.video_pc_detail_articel_list li h2 {
	margin-bottom: 16px;
}

.video_pc_detail_articel_list li h2 a {
	font-size: 16px;
	font-weight: 500;
	color: rgba(51, 51, 51, 1);
	line-height: 18px;
	display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    word-break: break-all;
}

.video_pc_detail_articel_list li>a {
	font-size: 14px;
	font-family: PingFangSC-Regular, PingFang SC;
	font-weight: 400;
	color: rgba(119, 119, 119, 1);
	line-height: 26px;
	position: relative;
	display: block;
	width: 822px;
	height: 52px;
	-webkit-line-clamp: 2;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
	    word-break: break-all;
}

.video_pc_detail_articel_list li a i {
	font-style: normal;
	color: #F85C5B;
}

.video_pc_detail_articel_list li a span {
	position: absolute;
	right: 0px;
}

.video_pc_detail_articel_list1 li:last-child {
	border-bottom: none;
	margin-bottom: 20px;
}

.pc_detai_top {
	background: #fff;
	margin-bottom: 30px;
}

.pc_detail_video {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	padding-bottom: 20px;
	position: relative;
}

.pc_detail_video_box {
	width: 880px;
	height: 495px;
	z-index: 0;
}

.pc_detail_video_box video {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: fill;
}

.pc_detail_video_info {
	background: #444444;
	flex: 1;
	height: 495px;
}

.video_info_in {
	padding: 0 15px 20px 20px;
	display: flex;
	flex-direction: column;
	height: 100%;
	box-sizing: border-box;
}

.video_info_in_name {
	padding: 16px 0 16px 0;
	font-size: 18px;
	color: #fff;
}

.video_info_in_list {
	height: 500px;
	overflow-y: auto;
}

.video_info_in_list li {
	margin-bottom: 10px;
}

.video_info_in_list li .video_list_link {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
}

.video_info_in_list li .video_list_link .video_info_in_list_face {
	width: 120px;
	height: 68px;
	position: relative;
}
.video_info_in_list li .video_list_link .video_info_in_list_face>img{
    width: 120px;
	height: 68px;
}
.video_info_in_list li .video_list_link .video_info_in_list_face>i {
	position: absolute;
	left: 50%;
	top: 50%;
	margin-left: -12.5px;
	margin-top: -12.5px;
	width: 25px;
	height: 25px;
	background: url(/pcHtml/static/video/images/play.png) no-repeat center center;
	background-size: 25px 25px;
}

.video_info_in_list_text {
	width: 141px;
	font-size: 12px;
	color: #fff;
	line-height: 16px;
	webkit-line-clamp: 4;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 4;
	overflow: hidden;
}

.video_info_in_list li .video_list_link:hover p {
	text-decoration: underline;
}

.video_pc_detail_articel_list li h2 a:hover {
	color: #D7321D;
}

.video_info_in_list .mCSB_inside>.mCSB_container {
	margin-right: 10px;
}

.video_info_in_list .mCSB_scrollTools .mCSB_dragger .mCSB_dragger_bar {
	background: #D7321D;
}
	.top{
		background:white;
		}
		#yinlang_head {
    position: absolute;
    right: -8px;
    top: 33px;
}
/*音浪动画*/
#yinlang_head {
    position: absolute;
    top: 45px;
    left: 50px;
}
#yinlang_head span {
	display: block;
	bottom: 0px;
	width: 3px;
	height: 8px;
	background: #d71f24;
	border-top-left-radius: 2px;
	border-top-right-radius: 2px;
	animation-direction:alternate;
	position: absolute;
	-webkit-animation: yinlang_head 1.2s infinite ease-in-out;
	-moz-animation: yinlang_head 1.2s infinite ease-in-out;
	-ms-animation: yinlang_head 1.2s infinite ease-in-out;
	-o-animation: yinlang_head 1.2s infinite ease-in-out;
}

#yinlang_head span:nth-child(2) {
	left: 6px;
	-webkit-animation-delay: .4s;
	-moz-animation-delay: .2s;
	-ms-animation-delay: .2s;
	-o-animation-delay: .2s;
	animation-delay: .4s;
}

#yinlang_head span:nth-child(3) {
	left: 12px;
	-webkit-animation-delay: .3s;
	-moz-animation-delay: .3s;
	-ms-animation-delay: .3s;
	-o-animation-delay: .3s;
	animation-delay: .8s;
}
@-webkit-keyframes yinlang_head {
	0% {
		height: 8px;
	}
	50% {
		height:14px;
	}
	100% {
		height:8px;
	}
}
@-moz-keyframes yinlang_head {
	0% {
		height: 8px;
	}
	50% {
		height:14px;
	}
	100% {
		height: 8px;
	}
}
@-ms-keyframes yinlang_head {
	0% {
		height: 8px;
	}
	50% {
		height:14px;
	}
	100% {
		height: 8px;
	}
}
@keyframes yinlang_head {
	0% {
		height: 8px;
	}
	50% {
		height:14px;
	}
	100% {
		height: 8px;
	}
}