.course-category {
    height: 92px;
    line-height: 92px;
    font-size: 18px;
    color: #4d4d4d;
    background: #F7F7F7;
}
.course-category-nav {
    justify-content: flex-start;
    padding-left: 20px;
}
.course-category-nav li a {
    margin-right: 30px;
}
.course-category-nav li a:hover {
    font-weight: bold;
    color: #10B35E;
}
.course-category-nav li .course-cate-active {
    font-weight: bold;
    color: #10B35E;
}

.course-content {
    padding-bottom: 80px; /* ? */
    margin-top: 30px;
}
.course-list {
    flex-wrap: wrap;
    justify-content: flex-start;
}
.course-list li {
    box-sizing: border-box;
    margin: 0 2% 2% 0;
    padding: 1.8% 1.2%;
    width: 32%;
    border: 1px solid #ededed;
}
.course-list li:nth-child(3n) {
    margin: 0 0 2% 0;
} 
.course-name {
    display: block;
    overflow: hidden;
    margin-bottom: 3%;
    width: 100%;
    height: 100px;
    font-size: 18px;
    color: #101010;
    line-height: 32px;
}
.course-teacher {
    margin-bottom: 3%;
}
.course-teacher img {
    width: 13%;
    height: 13%;
    border-radius: 50%;
}
.course-info {
    justify-content: space-between;
    padding-top: 6%;
    border-top: 1px solid #ededed;
}
.course-price {
    font-size: 18px;
    color: #FB0000;
}
.course-num {
    font-size: 14px;
    color: #7B7B7B;
    text-indent: 24px;
    background: url(../images/branch/cart-icon.png) no-repeat left center;
}