/*基本样式*/
.course-item .course-imgbox img{
    width: 100%;
    height: 100%;
}
.course-item .course-imgbox .course-label{
    position: absolute;
    bottom: 6px;
    left: 8px;
    font-size: 12px;
    color: #fff;
    line-height: 16px;
}
.course-item .course-imgbox .course-label label{
    display: inline-block;
    background: rgba(28,31,33,.6);
    border-radius: 4px;
    padding: 4px 8px;
    margin-bottom: 2px;
    margin-right: 0;
    font-weight: 200;
}
.course-item .course-content{
    padding: 8px 8px 0px 8px;
}
.course-item .course-content h3{
    font-size: 16px;
    color: #07111b;
    line-height: 24px;
    word-wrap: break-word;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    transition: all .3s;
    font-weight: 700;
    height: 46px;
    vertical-align: middle;
}
.course-item:hover .course-content h3 {
	color: #f60;
}
.course-item .course-content .course-type {
	display: inline-block;
    margin-left: 20px;
    padding: 3px 8px;
    background-color: #ffab00;
    color: #fff !important;
    border-radius: 4px;
    font-size: 13px;
    margin-top: 5px;
}
.course-item .course-content p{
    font-size: 12px;
    font-weight: 300;
    color: #9199a1;
    line-height: 18px;
    margin-top: 4px;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    height: 36px;
}
.course-item .course-info{
    font-size: 12px;
    color: #93999f;
    line-height: 20px;
    font-weight: 400;
    overflow: hidden;
}
.course-item .course-info span{
    display: inline-block;
    margin-right: 60px;
    padding: 0;
    min-width: 100px;
}
.course-item .course-info .time{
}
.course-item .course-info span .ele-success {
	font-weight: 700;
}
.course-item .marker{
	position: absolute;
    right: 0px;
    top: 8px;
    z-index: 99;
    color: white;
    transform: rotate(45deg);
    letter-spacing: 2px;
}
.course-item .marker:after{
    content: "";
    width: 0;
    height: 0;
    position: absolute;
    top: -3px;
    right: -10px;
    border-top: 55px solid #2196F3;
    border-left: 55px solid transparent;
    transform: rotate(-45deg);
    z-index: -1;
}
.course-item.course-item-disabled img {
	/* 滤镜：彩色变黑白 */
	-webkit-filter: grayscale(100%);
    -moz-filter: grayscale(100%);
    -ms-filter: grayscale(100%);
    -o-filter: grayscale(100%);
    filter: grayscale(100%);
    filter: gray;
}
.course-item.course-item-disabled .marker:after {
	border-top-color: #aaa;
}
.course-item.course-item-disabled .course-content * {
	color: #aaa;
}
.course-item.course-item-disabled:hover .course-content h3 {
	color: #aaa !important;
}
/*行形式*/
.course-row:after {
	content: "";
	clear: both;
	display: block;
}
.course-row .course-item{
    float: left;
    width: 295px;
    margin: 16px 11px 15px 16px;
    position: relative;
}
.course-row .course-item .course-imgbox {
    height: 157px;
    position: relative;
    overflow: hidden;
    border-radius: 6px;
}
.course-row .course-item .course-content .course-type {
	position: absolute;
    top: 3px;
    right: 0px;
    border-radius: 6px;
	border-bottom-right-radius: 0;
    border-top-left-radius: 0;
}
.course-row .course-item .course-info .course-info-left {
	float: left;
	min-width: unset;
	max-width: 48%;
	margin-right: 0;
}
.course-row .course-item .course-info .course-info-right {
	float: right;
	min-width: unset;
	max-width: 48%;
	margin-right: 0;
}
.course-row .course-item .course-info > :not(.course-info-left):not(.course-info-right) {
	display: none;
}
.course-row .course-item .course-info span i {
	display: none;
}
.course-row .course-item .course-btngroup{
    position: absolute;
    top: 0;
    width: 100%;
    height: 120px;
    background: rgba(28,31,33,.9);
    border-radius: 6px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    padding: 10px 0;
    display: none;
}
.course-row .course-item .course-btngroup .btn{
    padding: 0;
    margin: 0;
    background: transparent;
    border: 0;
    width: 160px;
    color: #fff;
}
.course-row .course-item:hover .course-btngroup{
    display: flex;
}
/*列形式*/
.course-column {
	margin-bottom: 20px;
}
.course-column .course-item{
    padding: 20px;
    position: relative;
}
.course-column .course-item:after{
    content: '';
    display: table;
    clear: both;
}
.course-column .course-item.course-item-border {
	border: 1px solid #ddd;
}
.course-column .course-item:not(.course-item-border):nth-child(odd){
    background: #fff;
    box-shadow: 0 8px 16px 0 rgba(7,17,27,.1);
}
.course-column .course-item:not(.course-item-border):hover{
    background: #eaf3fe;
}
.course-column .course-item .course-imgbox{
    float: left;
    width: 350px;
    height: 200px;
    position: relative;
    overflow: hidden;
    border-radius: 6px;
}
.course-column .course-item .course-imgbox img {
	transition: .6s;
    -moz-transition: .6s;
    -webkit-transition: .6s;
    -o-transition: .6s;
}
.course-column .course-item:hover .course-imgbox img {
	transform: scale(1.2,1.2);
    -ms-transform: scale(1.2,1.2);
    -webkit-transform: scale(1.2,1.2);
    -o-transform: scale(1.2,1.2);
    -moz-transform: scale(1.2,1.2);
}
.course-column .course-item .course-imgbox .course-video {
	width: 100%;
	height: 100%;
	position: relative;
}
.course-column .course-item .course-imgbox .course-video video {
	width: 100%;
    height: 100%;
    object-fit: fill;
}
.course-column .course-item .course-imgbox .course-video .video-play {
	position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -20px;
    margin-left: -20px;
    line-height: 40px;
    width: 40px;
    height: 40px;
    border-radius: 50px;
    text-align: center;
    background: url(../../../common/images/play.png) no-repeat center;
    background-size: cover;
    background-size: 28px;
    background-position-x: 7px;
    background-color: rgba(0, 0, 0, 0.4);
}
.course-column .course-item .course-content{
    margin-left: 380px;
    padding: 0 8px;
    margin-top: 6px;
}
.course-column .course-item .course-content .course-title {
    margin-bottom: 8px;
}
.course-column .course-item .course-content .course-title * {
    /*display: inline-block;*/
}
.course-column .course-item .course-content h3{
	height: auto;
    font-size: 20px;
    margin-top: 7px;
    margin-bottom: 14px;
    display: inline;
}
.course-column .course-item .course-content > p{
    margin-bottom: 15px;
}
.course-column .course-item .course-info {
	font-size: 14px;
}
.course-column .course-item .course-info:not(:last-child) {
    margin-bottom: 12px;
}
.course-column .course-item .course-btngroup {
	position: absolute;
	top: 0;
	right: 0;
	height: 100%;
	width: 120px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	padding: 10px;
	display: none;
    /*
	position: absolute;
    top: 15px;
    right: 15px;
    width: 100px;
    background-color: #ccc;
    text-align: center;
    padding: 10px;
    */
}
.course-content span img{
	width: 40px;
	height:40px;
	border-radius:50%;
	margin-right: 5px;
}
.course-column .course-item:hover .course-btngroup {
	display: flex;
}
.course-column .course-item .course-btngroup .btn:not(:last-child){
    margin-bottom: 8px;
}
.course-column .course-item .course-right {
	float: right;
    width: 180px;
    padding: 10px;
    text-align: center;
}
.course-column .course-item .course-right .btn {
	padding: 6px 25px;
    margin-top: 24px;
}
.course-column .course-item .course-operator {
	color: #aaa;
    padding-top: 2px;
    font-size: 12px;
}
.course-column .course-item .course-operator > div {
	display: inline-block;
}
.course-column .course-item .course-operator label {
	margin-left: 5px;
}
.course-column .course-item .course-operator span {
	color: #15bac5;
	font-weight: 700;
    padding: 0 5px;
}


/*卡片式章节列表*/
.chapter-card {
    margin-bottom: 10px;
}
.chapter-card > ul {
    background: #f7f6f6;
}
.chapter-card.chapter-card-close > ul {
    display: none;
}
.chapter-card .chapter-card-sections{
    position: relative;
    color: #1c1f21;
    display: block;
    word-break: break-all;
    position: relative;
    list-style: none;
}
.chapter-card > .chapter-card-sections {
	margin-bottom: 15px;
}
.chapter-card .chapter-card-title{
	position: relative;
	padding: 12px 0;
}
.chapter-card .chapter-card-title span{
    color: #1c1f21;
    font-size: 14px;
    display: inline-block;
}
.chapter-card .chapter-card-title span.no{
    min-width: 55px;
    text-align: left;
    padding-left: 25px;
    margin-right: 6px;
    position: relative;
}
.chapter-card div.chapter-card-title span.no::before {
	content: "";
    width: 8px;
    height: 8px;
    border-radius: 50px;
    background: #dbdbdb;
    position: absolute;
    left: 10px;
    top: 6px;
}
.chapter-card div.chapter-card-title span.no::after {
	content: "";
	clear: both;
	display: block;
}
.chapter-card .chapter-card-title .hours{
    color:#999;
    font-size: 12px;
    margin-left: 6px;
    display: inline-block;
}
.chapter-card .chapter-card-title .hours.hours-hide{
	display: none;
}
.chapter-card .chapter-card-title .hours i {
	font-size: 15px;
    margin-left: 5px;
    color: #555;
    border-bottom: 1px solid #555;
    cursor: pointer;
}
.chapter-card .chapter-card-title .hours i:hover {
    color: #15bac5;
    border-bottom-color: #15bac5;
}
.chapter-card .chapter-card-title .right{
    position: absolute;
    top: 10px;
    right: 4px;
}
.chapter-card .chapter-card-title .right i {
	margin-left: 5px;
}
.chapter-card .chapter-card-title .right span {
	color: #999;
}
.chapter-card .chapter-card-title .right label {
	margin-right: 12px;
    padding: 2px 8px;
    border: 1px solid #f60;
    border-radius: 3px;
    color: #f60;
}
.chapter-card h1.chapter-card-title {
	cursor: pointer;
    font-weight: bold;
    font-size: 18px !important;
    line-height: 50px;
    border-bottom: 1px solid #e1e1e1;
    padding: 0;
}
.chapter-card h1.chapter-card-title > i {
	float: right;
    margin-top: 15px;
    margin-right: 8px;
    font-weight: 700;
    transition: all .6s;
}
.chapter-card h1.chapter-card-title > i.open {
	transform: rotate(180deg);
}
.chapter-card h1.chapter-card-title .no{
	margin-right: 5px;
}
.chapter-card .chapter-card-btn-group{
    position: absolute;
    z-index: 999;
    top: 5px;
    right: 15px;
    display: none;
}
.chapter-card .chapter-card-btn-group > * {
    padding: 6px 10px;
}
.chapter-card .chapter-card-btn-group2{
    position: absolute;
    z-index: 999;
    top: 17px;
    right: 10px;
}
.chapter-card .chapter-card-remake{
    padding-left: 65px;
    font-size: 0;
}
.chapter-card .chapter-card-remake span{
    display: inline-block;
    vertical-align: middle;
    margin-right:14px;
    margin-bottom: 8px;
    color: #fff;
    line-height: normal;
    border-radius: 4px;
    position: relative;
    font-size: 14px;
    cursor: pointer;
}
.chapter-card .chapter-card-remake span:hover {
    box-shadow: 0 0 4px 1px #1cd8e5;
}
.chapter-card .chapter-card-remake span img {
	height: 60px;
	vertical-align: middle;
}
.chapter-card .chapter-card-remake span i.icon-remove{
    position: absolute;
    right: -6px;
    top: -6px;
    cursor: pointer;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    text-align: center;
    line-height: 16px;
    background: #9e9e9e;
    color: #fff;
    font-size: 11px;
}
.chapter-card .chapter-card-remake span i.icon-remove:hover {
	background-color: #ff0000;
}
.chapter-card .chapter-card-remake span.type-experiment {
	color: #088fff;
    font-size: 19px;
}
.chapter-card .chapter-card-sections:hover {
    background: #f2f2f2;
}
.chapter-card .chapter-card-sections:hover .chapter-card-title span.no::before {
	background-color: #15BAC5;
}
.chapter-card .chapter-card-sections:hover .chapter-card-btn-group{
    display: block;
}
.chapter-card ul li ul {
    padding-left: 56px;
}

/*教师页章节内容*/
.chapter-card-teach{
    border: 1px solid #eeeeee;
    padding: 15px 20px;
    margin-bottom:10px
}
.chapter-card-teach h1.chapter-card-title,
.chapter-card-teach h1.chapter-card-title span{
    font-size: 14px !important;
}
.chapter-card-teach h1.chapter-card-title{
    line-height: 1;
    border-bottom: none;
    margin-bottom: 0;
}
.chapter-card-teach .chapter-card-title span.no{
    background:none!important;
    width:auto
}
.chapter-card-teach .chapter-card-sections:hover .chapter-card-title{
    background:none;
}
.chapter-card-teach ul{
    background:none;
    display: block;
}
.chapter-card-teach .chapter-card-title span{
    font-size:12px;
}
.setting{
    display: inline-block;
    font-weight: 700;
}

.setting:hover{
    font-weight: 700;
    color:#00CB5B;
}
.setting:hover .setting-detail{
    display: block;
}
.setting-detail{
    display: none;
    position: absolute;
    min-width: 80px;
    z-index: 9999;
    bottom: 0px;
    right: -78px;
    padding-left: 20px;
}
.setting-detail div{
    background: #eee;
    height: 30px;
    padding: 0 15px;
    line-height: 30px;
}
.setting-detail :nth-child(2) {
    border-top: 1px solid lightgrey;
}
.setting-detail div a{
    color: #666;
}
.setting-detail div:hover{
    background: #e0e0e0
}

.chapter-card .chapter-card-remake span i.fa-pencil{
    position: absolute;
    right: 14px;
    top: -6px;
    cursor: pointer;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    text-align: center;
    line-height: 16px;
    background: #9e9e9e;
    color: #fff;
    font-size: 11px;
}

.chapter-card .chapter-card-remake span i.fa-pencil:hover {
    background-color: #ff7716;
}

/*.layui-layer{*/
/*    top:250px !important;*/
/*}*/