@font-face
{
	font-family: "number";
	src:url(../font/SF-UI-Display-Medium.otf);
}
.ml-num{ font-family:"number"; font-size:24px;font-style: italic; padding-right:10px;}
.class {
	width: 100%;
	background-color: #FFFFFF;
}

.class-safe {
	min-width: 1200px;
	max-width: 1920px;
	margin: 0 auto;
}

.class-content {
	width: 1200px;
	margin: 0 auto;
	padding-bottom: 34px;
}

.layui-breadcrumb a {
	color: #9EA7B4!important;
}

.content {
	margin-top: 27px;
}

.content-left>img {
	min-width: 548px;
	min-height: 282px;
}

.content-left>div {
	margin: 10px 0;
	width: 344px;
	height: 262px;
	padding-left: 29px;
	border-right: 1px dashed #DCDEE2;
}

.content-left>div h3 {
	font-size: 24px;
	color: #464C5B;
	margin-bottom: 21px;
}

.content-left>div .time {
	display: block;
	font-size: 14px;
	color: #9EA7B4;
}

#class {
	margin-top: 12px;
}

.content-left .see {
	line-height: 18px;
	vertical-align: middle;
	color: #9EA7B4;
	font-size: 14px;
	margin-bottom: 51px;
	margin-top:12px;
}

.content-left .see img {
	display: inline-block;
	margin-right: 12px;
}

.content-left .see span:first-child {
	margin-right: 37px;
}


/*content-right*/

.content-right {
	margin-top: 10px;
	padding: 0 27px;
	width: 224px;
}

.content-right h3 {
	color: #464C5B;
	font-size: 20px;
	padding-bottom: 22px;
	border-bottom: 1px solid #DCDEE2;
	text-align: center;
}


/*收藏分享*/

.content-right>div {
	margin-top: 39px;
}

.content-right>div div {
	width: 112px;
	text-align: center;
	cursor: pointer;
}

.content-right>div span {
	display: block;
	font-size: 16px;
	color: #464C5B;
}

.bdsharebuttonbox {
	margin-top: 21px;
}


/*main*/

.main-content>div:first-child {
	width: 820px;
	background-color: #FFFFFF;
	padding: 19px 20px;
}


/*课程介绍*/

.tab {
	width: 820px;
	border-bottom: 1px solid #DCDEE2;
}

.tab li {
	margin-right: 42px;
	cursor: pointer;
	padding-bottom: 18px;
	position:relative;
	bottom:-1px;
	font-size:18px;
}

.tab-content {
	margin-top: 35px;
}

.introduce h3 {
	margin-top: 35px;
	color: #464C5B;
	font-size: 18px;
	margin-bottom: 18px;
	word-wrap:break-word;
}

.introduce h3 img {
	margin-right: 12px;
	vertical-align: text-top;
}
.introduce p{
	margin-bottom: 16px;
	word-wrap:break-word;
}
.mt5:after{
	content:'';
	display: block;
	clear: both;
}
/*.introduce p {*/
	/*color: #657180;*/
	/*font-size: 14px;*/
	/*line-height: 22px;*/
/*}*/
/*.introduce p font{*/
	/*font-size: 14px;*/
/*}*/

/*课程目录*/

.directory dt {
	color: #464C5B;
	font-size: 18px;
	margin-bottom: 20px;
	padding-left: 10px;
}

.directory dl dd {
	position: relative;
	line-height: 38px;
	margin-bottom: 10px;
	color: #657180;
	font-size: 14px;
	padding: 0 10px;
}

.directory dl dd a {
	display: inline-block;
}

.directory dl dd:last-child {
	margin-bottom: 27px;
}

.directory dl dd button {
	position: absolute;
	top: 8px;
	right: 10px;
}

.btn {
	width: 70px!important;
	height: 22px!important;
	line-height: 22px!important;
	font-size: 12px!important;
	border-radius: 11px!important;
}


/*笔记*/


/*问答*/

.notes-list>li,
.qanda-list>li,
.evaluation-list>li {
	margin-top: 30px;
	padding-bottom: 39px;
	border-bottom: 1px solid #E8EAEC;
}

.notes-list li:last-child,
.qanda-list li:last-child,
.evaluation-list li:last-child {
	border-bottom: 0;
}

.notes-list li>img,
.evaluation-list li>img,.evaluation-list li>a>img,.notes-list li>a>img {
	width: 50px;
	height: 50px;
	border-radius: 50%;
	margin-right: 10px;
}
.notes-list li>a>img,.qanda-list li>a>img,.evaluation-list li>a>img{ opacity:0.8; transition:all ease 0.3s;}
.notes-list li>a>img:hover,.qanda-list li>a>img:hover,.evaluation-list li>a>img:hover{ opacity:1;}

.notes-list li>div,
.evaluation-list li>div {
	width: 760px;
}

.notes-list li>div>h3 {
	font-size: 16px;
	color: #464C5B;
	margin-bottom: 12px;
}

.notes-list li>div>.form {
	margin-bottom: 24px;
}

.notes-list li>div span {
	font-size: 12px;
	color: #9EA7B4;
}
.notes-list li>div span a{
	color: #9EA7B4;
}
.notes-list li>div span:first-child {
	margin-right: 34px;
}

.notes-list li>div>p,
.qanda-list li>div>p,
.evaluation-list li>div>p {
	color: #464C5B;
	font-size: 18px;
	line-height: 28px;
	margin-bottom: 10px;
}

.qanda-list li>div>p{
	margin-bottom: 5px;
}

.notes-list li>div .zan,
.evaluation-list li>div .evaluation-zan {
	line-height: 19px;
	color: #9EA7B4;
	font-size: 14px;
}

.notes-list li>div>div {
	cursor: pointer;
}

.notes-list li>div .zan img,
.evaluation-list li>div .evaluation-zan img {
	margin-right: 12px;
}

.notes-list li>div .zan div:last-child,
.evaluation-list li>div .evaluation-zan div:last-child {
	margin-right: 51px;
}

.all {
	width: 100%;
	margin: 0 auto;
	margin-top: 49px;
}

.all>div {
	width: 138px;
	height: 28px;
	line-height: 28px;
	background-color: #FBF3EF;
	border-radius: 14px;
	margin: 0 auto;
	text-align: center;
}

.all>div a {
	font-size: 14px;
}


/*问答*/

.tab2 {
	margin-top: -10px;
	height: 42px;
	background-color: #F8F8F9;
}

.tab2 li {
	line-height: 42px;
	font-size: 14px;
	color: #464C5B;
	padding: 0 19px;
	cursor: pointer;
}

.qanda-list>li>span {
	color: #FFFFFF;
	font-size: 12px;
	width: 48px;
	height: 20px;
	line-height: 20px;
	text-align: center;
	border-radius: 4px;
	margin-right: 17px;
}

.qanda-list li>img,.qanda-list li>a>img {
	width: 50px;
	height: 50px;
	border-radius: 50%;
	margin-right: 26px;
}

.qanda-list li>div {
	width: 679px;
}

.qanda-list li .button {
	width: 100px;
	height: 40px;
	color: #3192E0;
	font-size: 14px;
	line-height: 40px;
	text-align: center;
	margin-right: 30px;
	cursor: pointer;
}

.qanda-list li .time {
	color: #9EA7B4;
	font-size: 12px;
	line-height: 40px;
}

.qanda-list li .info {
	margin-top: 25px;
}

.qanda-list li .info span {
	font-size: 12px;
	color: #9EA7B4;
	margin-right: 33px;
}

.q-list li {
	padding-left: 9px;
	border-left: 1px solid #657180;
	margin-top: 30px;
	padding-bottom: 0;
	font-size: 14px;
	color: #657180;
	line-height: 22px;
	border-bottom: 0;
}

.q-list li .reply {
	font-size: 12px;
	padding: 2px 5px;
	border-radius: 4px;
	margin-left: 14px;
	cursor: pointer;
}

.q-list li .user {
	cursor: pointer;
}

.slide,
.slide2 {
	width: 540px;
	height: 36px;
	margin-top: 19px;
	font-size: 14px;
	color: #9EA7B4;
	text-align: center;
	display: inline-block;
	line-height: 36px;
	vertical-align: middle;
	cursor: pointer;
}

.slide img,
.slide2 img {
	width: 10px;
	margin-left: 20px;
}

.list-content {
	font-size: 16px;
	color: #657180;
	line-height: 24px;
	margin-bottom: 40px;
	position:relative;
}


/*评价*/

.evaluation-list li>div h3 {
	font-size: 16px;
	color: #464C5B;
	margin-bottom: 12px;
}

.evaluation .slide,
.evaluation .slide2 {
	width: 684px;
	margin-bottom: 34px;
}


/*问答弹窗*/

#evaluation-reply {
	width: 600px;
	height: 327px;
	background-color: #FFFFFF;
	overflow: hidden;
}

#evaluation-reply textarea {
	position: relative;
	display: block;
	width: 510px;
	height: 200px;
	border: 1px solid #DCDEE2;
	margin: 0 auto;
	padding: 15px;
}

#evaluation-reply>div {
	display: inline-block;
	text-align: right;
	padding: 0 29px;
	margin-top: 30px;
	width: 542px;
}

#evaluation-reply span {
	color: #657180;
	font-size: 18px;
	margin-right: 50px;
	cursor: pointer;
}

#evaluation-reply .huifu {
	display: inline-block;
	width: 100px;
	height: 40px;
	border-radius: 4px;
	color: #FFFFFF;
	font-size: 18px;
	line-height: 40px;
	text-align: center;
	cursor: pointer;
}

.layui-layer-title {
	border: 0!important;
	background-color: #FFFFFF!important;
	color: transparent!important;
}

#evaluation-reply em {
	position: absolute;
	right: 40px;
	bottom: 108px;
	font-size: 16px;
	color: #9EA7B4;
}


/*main-right*/

.main-content>div:last-child {
	width: 320px;
}

.main-content>div:last-child>div {
	background-color: #FFFFFF;
}
.main-content>div:last-child>div dl{
	padding:0 10px;	
}
.main-content>div:last-child dt {
	padding: 27px 0 18px;
	border-bottom: 1px solid #DCDEE2;
}

.main-content>div:last-child dt>h3 {
	color: #464C5B;
	font-size: 18px;
	margin-left: 9px;
	padding-left: 9px;
	line-height: 18px;
}

.main-content>div:last-child .shouke {
	max-height: 336px;
	padding-bottom:15px;
	overflow: hidden;
}

.main-content>div:last-child .shouke dd,.main-content>div:last-child .tuijian dd {
	margin-top: 20px;
}

.main-content>div:last-child .shouke .img-b{
	width: 70px;
	height: 70px;
	border-radius: 50%;
	margin-right: 24px;
	overflow:hidden;
	border-radius:50%;
}

.main-content>div:last-child .shouke img {
	width: 70px;
	height: 70px;
	border-radius: 50%;
	transition:all ease 0.3s;
	opacity:0.8;
}

.hover-b dd .title{
	transition:all ease 0.3s;
}

.hover-b dd:hover .img-b img{
	opacity:1;
}

.main-content>div:last-child .shouke dd h3 ,.main-content>div:last-child .tuijian dd h3{
	font-size: 18px;
	color: #464C5B;
}

.main-content>div:last-child .shouke dd span,.main-content>div:last-child .tuijian dd span {
	font-size: 14px;
	color: #9EA7B4;
	margin-right: 5px;
}

.slidedown {
	/*margin-top: 40px;*/
	cursor: pointer;
	display: inline-block;
	width: 100%;
	text-align: center;
	padding:10px 0;
	transition:all ease 0.3s;
}
.slidedown:hover{
	background:rgba(158, 167, 180, 0.3);
}
.slidedown img {
	display: inline-block;
}

.tuijian {
	margin-top: 19px;
	padding-bottom:14px!important;
}
.main-content>div:last-child .tuijian .img-b{
	width: 98px;
	height: 74px;
	overflow:hidden;
}
.main-content>div:last-child .tuijian img {
	width: 98px;
	height: 74px;
	transition:all ease 0.3s;
	
}
.main-content>div:last-child .tuijian dd:hover img{ transform:scale(1.2);}
.sc-b{ padding-top:37px; background:url(../images/collection.png) no-repeat top center; transition:all ease 0.3s;}
.sc-b span{ transition:all ease 0.3s;}
.sc-b:hover{ background:url(../images/collectionon.png) no-repeat top center;}
.sc-b:hover span{ color:#EC6D3A;}
.sc-b.active{ background:url(../images/collectionon.png) no-repeat top center;}
.sc-b.active span{ color:#EC6D3A;}

.share{ padding-top:37px; background:url(../images/share.png) no-repeat top center; transition:all ease 0.3s;}
.share .color{ transition:all ease 0.3s;}
.share:hover{ background:url(../images/shareon.png) no-repeat top center;}
.share:hover .color{ color:#EC6D3A;}
.share.active{ background:url(../images/shareon.png) no-repeat top center;}
.share.active .color{ color:#EC6D3A;}

.bh-list{ overflow:hidden;}
.layui-breadcrumb a:hover{ color:#EC6D3A!important;}
.evaluation-list .slide{ display:none;}

.reply{ background:#F8F8F9; color:#9EA7B4; transition:all ease 0.3s;}

/*笔记问答溢出隐藏*/
.overf_box_160{ max-height: 220px; position:relative; overflow:hidden; }
.zk_box,.zk_box_wd{ position:absolute; bottom:0; left:0; width:100%; padding-top:20px;background: linear-gradient(-180deg,rgba(255,255,255,.8) 0,#fff 63%);}
.wd_overf{ max-height:200px; position:relative; overflow:hidden; margin-bottom: 20px;}
.wd_overf_zk{ max-height: none; }
.wd_overf img{ max-width:100%; }
.zk_box_wd{ color: #9EA7B4; text-align:center; cursor:pointer;}
.zk_box_wd img{ width:10px; margin-left:20px; }
/*评论弹窗*/
#pl-pop,#hf-pop {
	width: 600px;
	height: 327px;
	background-color: #FFFFFF;
	overflow: hidden;
}

#pl-pop textarea,#hf-pop textarea {
	position: relative;
	display: block;
	width: 510px;
	height: 200px;
	border: 1px solid #DCDEE2;
	margin: 0 auto;
	padding: 15px;
}

#pl-pop>div,#hf-pop>div {
	display: inline-block;
	text-align: right;
	padding: 0 29px;
	margin-top: 30px;
	width: 542px;
}

#pl-pop span,#hf-pop span {
	color: #657180;
	font-size: 18px;
	margin-right: 50px;
	cursor: pointer;
}

#pl-pop .huifu,#hf-pop .huifu {
	display: inline-block;
	width: 100px;
	height: 40px;
	border-radius: 4px;
	color: #FFFFFF;
	font-size: 18px;
	line-height: 40px;
	text-align: center;
	cursor: pointer;
}

.layui-layer-title {
	border: 0!important;
	background-color: #FFFFFF!important;
	color: transparent!important;
}

#pl-pop em,#hf-pop em {
	position: absolute;
	right: 40px;
	bottom: 108px;
	font-size: 16px;
	color: #9EA7B4;
}
.introduce_course_b img{
	max-width: 100%;
}
.time{ display: none!important;}
.show_act{ display: block!important;}