.train-type li{
    display: inline-block;
    font-weight: 800;
    color: #666;
    font-size: 15px;
    padding-left: 10px;
    padding-right: 70px;
    border-left: 3px solid;
}
.train-type li.active{
    display: inline-block;
    font-weight: 800;
    color:#390f7d;
    padding-left: 10px;
    border-left: #FF0087 3px solid;
}

/*<!--分为三三大块：head、content1、content2-->*/

.content1 {
    margin: 0 auto 45px;
}

.content1_3 {
    margin-top: 35px;
}

/* 三角形 */
.triangle_border_down {
    width: 0;
    height: 0;
    border-width: 20px 20px 0;
    border-style: solid;
    border-color: #6666ff transparent transparent; /*灰 透明 透明 */
    margin: 40px auto;
    position: absolute;
    bottom: -55px;
    left: 42%;
    display: none;
}

.content1_3 a{
    display: inline-block;
    position: relative;
    cursor: pointer;
    background-color: #fff;
    padding: 0 0 20px 0;
    border-radius: 10px;
}

.content1_3 a:first-child{
    margin-left: 0;
}

/*!* 第二块：2-3 文字内容css  *!*/
.c1{
    font-size: 16px;
    height: 40px;
    line-height: 40px;
    font-weight: bold;
    margin-left: 10%;
    color: #333333;
}

.c2{
    font-size: 12px;
    line-height: 20px;
    width: 80%;
    margin: 0 auto 20px;
    height: 80px;
    overflow: hidden;
    text-emphasis: #7a7fd7;
    text-overflow: ellipsis;
    color: #888585;
}

.special-practice{
    width: 22.75%;
    font-size: 0;
    margin: 0 3% 40px 0;
    float: left;
    border-radius: 10px;
    box-shadow: 0px 0px 16px 0px rgba(226,228,236,1);
}
.special-practice:nth-child(4n){
    margin-right: 0;
}
.special-practice :hover .bg-purple{
    background: rgb(143, 99, 243);
}
.special-practice :hover .bg-green{
    background: rgb(0, 197, 164);
}
.special-practice :hover .bg-yellow{
    background: rgb(255, 128, 0);
}
.special-practice :hover .bg-blue{
    background: rgb(0, 172, 243);
}
.special-practice img{
    width: 100%;
    height: 156px;
    margin-top: -8px;
}
.special-practiceBtn{
    width: 80%;
    height: 38px;
    background: rgba(128,120,238,1);
    border-radius: 29px;
    margin-left: 10%;
    cursor: pointer;
    color: #fff;
    border: none;
}
#div2{
    overflow: auto;
    padding-top: 10px;
}
.more{
    background-color: #fff;
    margin-top: 8px;
}
.more img {
    border-radius: 10px 10px 0 0;
}
.more p{
    text-align: center;
    height: 190px;
    line-height: 160px;
    font-size: 18px;
    font-weight:bold;
    color:rgba(204,204,204,1);
    border-radius: 10px 10px 10px 10px;
}
.bg-purple,.bg-green,.bg-yellow,.bg-blue{
    transition: all 0.3s;
}
.bg-purple{
    background:rgba(128,120,238,1);
}
.bg-green{
    background:rgba(76,202,144,1);
}
.bg-yellow{
    background:rgba(247,174,40,1);
}
.bg-blue{
    background:rgba(36,180,239,1);
}