/**nav*/
.navbar-default{
    background-color:red;
}
#main {
    border-radius: 8px 8px 0 0;
    position: relative;
    overflow: hidden;
    padding-bottom: 32px;
 

}

.content-box {
    width: 1200px;
    margin: auto;
}

.price {
    font-size: 12px;
    font-weight: 400;
    color: #657180;
    margin-left: 8px;
    position: relative;
}

.price:after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    border-top: 1px solid #333;
    margin-top: -0.5px;
}

.web-box {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
}

.img-title-box {
    width: 51px;
    height: 24px;
}
.title-size{
    font-size: 26px;
    color: #17233D;
    margin-left: 10px;
    font-weight: 700;
    cursor: pointer;
    transform: skewX(-5deg);
}

ul li {
    list-style: none;
}

.nal-ul {
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-top: 15px;
}

.active{
    background-color: transparent;
    padding-bottom: 6px;border: none;
    font-size: 14px;
    font-weight: 500;
    color: #17233D;
    cursor: pointer;
}

.new-title-img{
    width: 60px;height: 25px; position: absolute;top: 0;right: 0;
}

.web-list-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.list-box-left {
    width: 254px;
    min-height: 244px;
    font-size: 12px;
    font-weight: 400;
    color: #657180;
    line-height: 17px;
    margin:20px 23px ;
    background: #FFFFFF;
    border-radius: 6px;
    box-shadow: 0px 4px 8px 2px rgba(0, 38, 101, 0.04);
}

.left-title {
    font-size: 14px;
    font-weight: 400;
    color: #17233D;
}

.left-hot {
    font-size: 12px;
    font-weight: 400;
    color: #657180;
}

.kechen-bottom {
    justify-content: space-between;
}

.bottom-new {
    height: 18px;
    background: linear-gradient(142deg, #FF7E29 0%, #FF540A 100%);
    border-radius: 2px;
    font-size: 12px;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 18px;
    padding: 0 4px;
}

/**课程*/
.list-box-kecheng {
    width: 370px;
    background: #FFFFFF;
    box-shadow: 0px 4px 8px 2px rgba(0, 38, 101, 0.04);
    border-radius: 6px;
    margin-top: 32px;
    transition: transform 0.3s ease-in-out;

}

.list-box-kechen:hover {
    transform: translateY(-5px); /* Adjust the value to control the upward slide distance */
  }
/**切换*/
.content {
    display: none;
    transition: transform 0.3s ease-in-out;
}
.content:hover {
    transform: translateY(-5px); /* Adjust the value to control the upward slide distance */
  }
.conAvtive {
    display: block;
    display: flex;
    flex-wrap: wrap;
}
.activeTab{
    color: #FF540A;
}
.background-box{
    background: #F5F7FA;
    padding-top: 1px;
}