body{
    font-size:14px;
    line-height: 1.5;
    color: #333;
}
.curriculumWrap{
    width: 100%;
}
.curriculumWrap .curriculum{
    width: 1200px;
    margin:0 auto;
}
.select-course-hd{
    margin-top:48px;
}
.select-course-hd h2{
    font-size: 30px;
    line-height: 30px;
    font-weight:normal;
    display: inline-block;
    width: 500px;
    float: left;
    margin-top:12px;
}
.select-course-hd .btn-more{
    font-size: 16px;
    line-height: inherit;
    color: #333;
    float: right;
    margin-top:14px;
}
.select-course-hd .btn-more:hover{
    color: #23b8ff;
}
.select-course-desc {
    margin: 12px 0 30px;
    font-size: 16px;
    line-height: 16px;
    text-align: center;
    position: relative;
    color: #999;
}
.select-course-filter-wrapper {
    border-top: 5px solid #f4f4f4;
}
.select-course-filter {
    font-size: 18px;
    padding-top: 18px;
    line-height: 20px;
    display: table;
}
.filter-type {
    display: table-row;
}
.filter-type-name {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    word-wrap: normal;
    vertical-align: top;
    display: table-cell;
    color: #999;
}
.filter-item-wrap {
    display: table-cell;
    padding-left: 60px;
}
.filter-item {
    float: left;
    font-size: 16px;
    margin-right: 50px;
    margin-bottom: 24px;
    cursor: pointer;
    position: relative;
}
.filter-item.current {
    color: #23b8ff;
}
.filter-item.current:after {
    content: '';
    position: absolute;
    top: 22px;
    left: 0;
    width: 100%;
    border-bottom: 3px solid #23b8ff;
    border-radius: 1px;
}
.select-course-bd {
    margin-top: -10px;
    min-height: 231px;
    margin-bottom:50px;
}
.course-card-item--v3{float: left;width: 218px;margin:0 10px 20px 10px;transition: all 0.3s;padding-bottom: 15px;border-radius: 4px;overflow: hidden; box-shadow: 10px 10px 10px 0 rgba(0,0,0,0.07),-10px 10px 10px 0 rgba(0,0,0,0.07);}
.course-card-item--v3:hover{box-shadow: 10px 10px 10px 0 rgba(0,0,0,0.15),-10px 10px 10px 0 rgba(0,0,0,0.15);}
/* .course-card-item--v3:hover .item-img{transform: Scale(1.1)} */
.course-card-item--v3 .item-status {
    position: absolute;
    width: 220px;
    height: 24px;
    line-height: 24px;
    font-size: 12px;
    color: #fff;
    top: 100px;
    overflow: hidden;
}
.course-card-item--v3 .item-tt {
    overflow: hidden;
    font-size: 14px;
    margin-bottom: 6px;
    position: relative;
    font-weight:400;
    height: 18px;
    cursor:pointer;
}
.course-card-item--v3 .item-tt-link {
    color: #333;
    padding-left: 10px;
    /* font-weight: bolder; */
}
.course-card-item--v3 .item-line--middle {
    margin-bottom: 3px;
}
.course-card-item--v3 .item-line {
    overflow: hidden;
    margin-top: 0;
    height: 24px;
    font-size: 12px;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.course-card-item--v3 .item-line .item-source-link {
    max-width: 118px;
    color: #999;
}
.course-card-item--v3 .item-line .line-cell {
    float: left;
    margin-left: 8px;
}
.course-card-item--v3 .item-line .line-cell:first-child {
    margin-left: 0;
}
.course-card-item--v3 .item-line--bottom {
    height: 24px;
    line-height: 24px;
}
.course-card-item--v3 .item-line .item-price {
    color: #f4621f;
    font-size: 14px;
}
.course-card-item--v3 .item-line .item-user, .course-card-item--v3 .item-line .item-task, .course-card-item--v3 .item-line .item-agency, .course-card-item--v3 .item-line .item-star-num {
    color: #999;
    margin-left: 10px;
}
.course-card-item--v3 .item-line .item-source-link::before {
    content: "";
    width: 1px;
    height: 12px;
    background-color: #ddd;
    display: inline-block;
    vertical-align: -1px;
    margin-right: 8px;
}

.course-card-item--v3 .item-line--bottom {
    height: 24px;
    line-height: 24px;
}
.course-card-item--v3 .item-line .item-source-tag {
    padding: 2px 3px 3px 2px;
    margin-left: 2px;
    color: #23b8ff;
    font-size: 12px;
    line-height: 12px;
    border-radius: 3px;
    transform: scale(0.8);
}
.js-filter-item:hover{
    color: #23b8ff;
}
.course-card-item--v3 .item-tt-link:hover{
    color: #ff6c00;
}
.course-card-item--v3 .item-line .item-source-link:hover{
    color: #23b8ff;
}
.mod-search {
    box-sizing: content-box;
    width: 255px;
    border: 1px solid #ccc;
    height: 48px;
    border-radius: 3px;
    position: relative;
    display: inline-block;
    float: right;

}
.mod-search__input:focus{
    border-color:#ccc;
}
.mod-search-dropdown {
    display: block;
    position: absolute;
    top: -1px;
    left: -1px;
    border: 1px solid #ccc;
    cursor: pointer;
    color: #333;
}
.mod-search-dropdown-item {
    display: block;
    position: relative;
    width: 62px;
    height: 48px;
    line-height: 48px;
    text-align: center;
    font-size:14px;
    border-radius: 10px;
    overflow: hidden;
       
}

.mod-search-dropdown-item-selected i {
    display: inline-block;
}
.mod-search-dropdown-item i {
    vertical-align: middle;
    font-size: 14px;
    text-indent: 0;
    transition: transform .3s;
    margin-left: 5px;
    *zoom: 1;
}
.mod-search-dropdown-item:last-child {
    border-top: 1px solid #ddd;   
}
.mod-search__input {
    box-sizing: content-box;
    width: 228px;
    height: 30px;
    line-height: 30px;
    padding: 10px 10px 10px 0;
    background: 0 0;
    text-indent: 12px;
    vertical-align: top;
    border: 0;
    float: left;
}
.mod-search__btn-search {
    position: absolute;
    top: -1px;
    right: -1px;
    width: 50px;
    height: 50px;
    line-height: 50px;
    background-color: #23b8ff;
    border-radius: 0 3px 3px 0;
    text-align: center;
    color: #fff;
    cursor:pointer;
}
.mod-search__btn-search:hover{
    background:#12a7ff;
}
.mod-search__btn-search i {
    font-size: 22px;
}
.datialWrap{
    width: 100%;
}
.dealtips, .installment-tips {
    height: 42px;
    background: #fffbe5;
    border-bottom: 1px solid #f7dcb1;
    line-height: 42px;
}
.inner-center {
    box-sizing: border-box;
    width: 1200px;
    margin:0 auto;
}
.dealtips span{
    float: right;
    padding: 0 10px;
    line-height: 42px;
    cursor:pointer;
}
.datialCont{
    width: 1200px;
    margin:0 auto;
    padding: 20px 0 0px;
    min-height: 400px;
}
.breadcrumb {
    line-height: 30px;
    margin-bottom: 20px;
    box-sizing: border-box;
}
.breadcrumb .breadcrumb-item {
    float: left;
}
.breadcrumb a {
    color: #333;
}
.breadcrumb b {
    margin: 8px 10px 0;
    float: left;
    font-size: 14px;
}
.videotext-course{
    width: 100%;
}
.videotext-course .section--study {
    width: 100%;
    font-size: 0;
}
.videotext-course .study-video-wrapper {
    display: inline-block;
    vertical-align: top;
    width: 870px;
    height: 490px;
    position: relative;
    background-color: #000;
}
.videotext-course .cover-img {
    display: block;
    width: 100%;
    height: 100%;
}
.videotext-course .task-list-wrapper {
    display: inline-block;
    vertical-align: top;
    height: 490px;
    width: 330px;
    background-color: #131313;
    font-size: 12px;
    position: relative;
}
.videotext-course .study-task-list, .videotext-course .coding-tasklist {
    box-sizing: border-box;
    height: 100%;
    padding: 20px 16px;
    overflow: auto;
    color: #c7c7c7;
    font-size: 14px;
    overflow-x: hidden;
    overflow-y: auto;
}
.videotext-course .sub-section {
    margin-top: 16px;
    margin-bottom: 32px;
    position: relative;
}
.videotext-course .sub-section--tt {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.videotext-course .task-item {
    margin-top: 16px;
    display: block;
    color: #c7c7c7;
    cursor: pointer;
    padding-bottom: 10px;
    position: relative;
}
.videotext-course .task-item::after{
    content: '';
    position: absolute;
    height: 1px;
    width: 100%;
    bottom: -4px;
    background-color: rgba(244,244,244,.1);
}
.videotext-course .task-item--prefix {
    float: left;
}
.videotext-course .task-item--tt {
    margin-left: 35px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}


::-webkit-scrollbar {
  width: 14px;
  height: 14px;
}

::-webkit-scrollbar-track,
::-webkit-scrollbar-thumb {
  border-radius: 999px;
  border: 5px solid transparent;
}

::-webkit-scrollbar-track {
  box-shadow: 1px 1px 5px rgba(0,0,0,.2) inset;
}

::-webkit-scrollbar-thumb {
  min-height: 20px;
  background-clip: content-box;
  box-shadow: 0 0 0 5px rgba(0,0,0,.2) inset;
}

::-webkit-scrollbar-corner {
  background: transparent;
}


.videotext-course .task-item--type {
    display: block;
    box-sizing: border-box;
    width: 30px;
    height: 16px;
    line-height: 16px;
    background-color: #777;
    border-radius: 2px;
    text-align: center;
    color: #0f0f0f;
    font-size: 12px;
    position: relative;
    top: 1px;
    padding-left: 1px;
}
.videotext-course .task-item--tt {
    margin-left: 35px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.videotext-course .task-item--suffix {
    font-size: 12px;
    line-height: 16px;
    color: #777;
}
.videotext-course .task-item--text {
    font-size: 14px;
    line-height: 20px;
    color: #c7c7c7;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.video-js .vjs-big-play-button{
    opacity: 0!important;
}
.before-btn.play-btn:hover {
    background-color: #12a7ff;
}
.before-btn.play-btn {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    color: #fff;
    text-align: center;
    line-height: 109px;
    background-color: #23b8ff;
    position: absolute;
    z-index: 5;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
    cursor: pointer;
}
 .before-btn.play-btn .icon-font {
    margin-left: 6px;
    font-size: 40px;
    color: #fff;
}
.icon-font {
    font-family: iconfont;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    -webkit-font-feature-settings: normal;
    font-feature-settings: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.i-play:before {
    content: "\F103";
}
.video-ctn {
    width: 100%;
    height: 100%;
    z-index: 3;
    /* display: none; */
}
.vjs-tech{
    width: 100%;
    height: 100%;
}
.course-card-item--v3 .item-img-link {
    position: relative;
    display: block;
}
.i-play{
    margin-left: 8px;
    font-size: 40px !important;
    color: #fff;
    margin-top:27px;
}
.section-main{
    width: 1200px;
    margin:0 auto;
    background:#fff;
}
.section-main .contentInfo{
    background: #fff;
    box-sizing: border-box;
    padding:0px ;
}
.guide-tt {
    display: inline-block;
    font-size: 16px;
    line-height: 2;
    margin-bottom: 10px;
    font-weight:400;
}
.tabs-tt-bar {
    /* height: 45px; */
    border-bottom: 1px solid #e6e6e6;
    margin-bottom: 20px;
}
.tabs-tt-bar .tabs-tt.active {
    color: #23b8ff;
    border-bottom-color: #23b8ff;
}

.tabs-tt-bar .tabs-tt {
    display: inline-block;
    border-bottom: 4px solid #00CC7E;
    padding-bottom: 7px;
    font-size: 18px;
    cursor: pointer;
    font-weight:400;
}
.tb-course {
    width: 100%;
    padding: 0 0 10px 0;
    font-size: 18px;
    font-weight: bold;
}
.tb-course span {}
.tb-course-cont{
    font-family: sans-serif;
    font-size: 14px;
    margin: 0;
    padding: 0;
    border: 0;
    text-align: left;
    color: #666;
    line-height: 22px;
    margin-bottom: 50px;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
    box-sizing: border-box;
}
.sectionWrap{
    width: 100%;
    background: #f4f4f4;
    padding-top:20px;
}
.marginleft{
    margin-left:20px;
}
.item-img{
    width: 220px;
    height: 124px;
    /* background: #0fa1f8; */
    transition: all 0.3s
}
.mod-search__input::-webkit-input-placeholder {
    color: #a7a7a7;
}
.mod-search__input::-moz-input-placeholder {
    color: #a7a7a7;
}
.mod-search__input:-ms-input-placeholder {
    color: #a7a7a7;
}
.section-msg {
    text-align: center;
    margin: 200px 0;
}
.section-msg .msg-inner {
    display: inline-block;
    padding-left: 50px;
    position: relative;
}
.section-msg .icon-msg-large {
    position: absolute;
    top: 0;
    left: 0;
    color: #4da9e8;
    font-size:36px;
}
.section-msg .msg-text {
    line-height: 36px;
    font-size: 18px;
    color: #999;
    text-align: left;
}
.section-msg .highlight {
    color: #e85308;
}
.fl{float: left;margin-left: 10px;}
.fr{float: right;margin-right: 10px;}
.button{color: #fff;border-radius: 11px;overflow:hidden}
.red{background: #df1010;}
.orange{background: #ff6c00}
.green{background: #32a21f}