/* 整体布局 开始 */
#course {
    padding: 32px 0;
}

.course-box {
    height: 634px;
}

.course-box .title-pic {
    height: 36px;
}

.course-box .course {
    height: 568px;
    margin-top: 30px;
}

/* 整体布局 结束 */

/* 图标和分类 开始 */
.course-box .title-pic img {
    width: 162px;
}

.course-box .title-pic a {
    margin: 0 10px;
    font-size: 14px;
    font-weight: 400;
    transition: .3s;
}

.course-box .title-pic a:hover {
    color: #ec1500;
}

.course-box .title-pic .active {
    border-bottom: 2px solid #E76060;
    padding-bottom: 5px;
    font-weight: 700;
    color: #545C63;
}

/* 图标和分类 结束 */

/* 课程列表 开始 */
.course-box .course ul {
    display: none;
    width: 1176px;
}

.course-box .course ul.current {
    display: block;
}

.course-box .course li {
    position: relative;
    float: left;
    width: 270px;
    height: 290px;
    margin: 0 24px 24px 0;
    border-radius: 8px;
    box-shadow: 0 5px 20px 0 rgba(0, 0, 0, .1);
    transition: all .2s;
}

.course-box .course li:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px 0 rgba(0, 0, 0, .3);
    cursor:pointer;
}

.course-box .course li img {
    width: 270px;
    border-radius: 8px 8px 0 0;
}

.course-box .course .title {
    margin-left: 10px;
    margin-top: 10px;
    color: #545C63;
}

.course-box .course .difficulty {
    position: absolute;
    left: 10px;
    bottom: 40px;
    font-size: 12px;
    color:#9199a1;
}

.course-box .course .bottom{
    position: absolute;
    left: 10px;
    bottom: 10px;
}

.course-box .course .bottom .discount{
    margin-right: 4px;
    overflow: hidden;
    padding: 1px 3px;
    color: #fff;
    background-color: rgba(242,13,13,.6);
    border-radius: 2px;
    font-size: 12px;
}

.course-box .course .bottom .price{
    padding: 2px 0;
    font-size: 12px;
    color: #F01414;
    font-weight: 700;
}

.course-box .course .bottom .origin-price{
    margin-left: 4px;
    padding: 2px 0;
    font-size: 12px;
    color: #6d7278;
}


.course-box .course .bottom .delete-line{
    text-decoration: line-through;
}

.course-box .course .bottom .free{
    font-size: 12px;
    color: #ccc;
    font-weight: normal;
}

/* 课程列表 结束 */