.section-course-detail {
    background-color: #f6f6f6;
    padding: 24px 0;
}


.course-container {
    margin: 0 auto;
    width: 1448px;
}

.video-top-box {
    border-radius: 15px;
    overflow: hidden;
    box-sizing: border-box;
    box-shadow: 0px 15px 20px -8px rgba(61, 67, 77, .08);
}

.course-into {
    background-color: #fff;
    padding: 20px;
    padding-top: 0;
    overflow: hidden;
    box-sizing: border-box;
}

.course-into h2 {
    color: #333;
}

.course-intro {
    color: #666;
}

.section-course-info {

}

.course-container_info {
    margin: 0 auto;
    width: 1448px;
    background-color: #fff;
    overflow: hidden;
    box-sizing: border-box;
    margin-bottom: 48px;
    padding: 24px;
    border-radius: 15px;
    box-shadow: 0px 15px 20px -8px rgba(61, 67, 77, .08);
}


.course-info-list{

}
.course-info-list h2 {
    color: #333;
}

.course-info-list ul {

}

.course-info-list li {
    list-style: none;
    margin-bottom: 12px;
    font-size: 14px;
    color: #666;
    padding: 12px;
    border-bottom: 1px solid #ddd;
}
.course-info-list .course-info-item{
    display: flex;
    align-items: center;
    align-content: center;
    justify-content: space-between;
}

.section-course-list{
padding-bottom: 48px;
}

.section-course-list .course-box{
    margin: 0 auto;
    width: 1448px;
    display: flex;
    flex-wrap: wrap;
}

.course-col-item{
    width: 25%;
    box-sizing: border-box;
    padding: 12px;

}

.course-item-box{
    background-color: #fff;
    box-sizing: border-box;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0px 15px 20px -8px rgba(61, 67, 77, .08);
}

.course-cover{
    width: 100%;
    height: 250px;
}
.course-cover img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-item-box .course-info{
    height: 100px;
    box-sizing: border-box;
    padding: 12px;
    font-size: 16px;
}

@media (max-width: 1447px) {

}
@media (max-width: 1200px) {

}
@media (max-width: 992px) {

}
@media (max-width: 768px) {

}

@media (max-width: 576px) {

}