.why-us .normal-title{
    text-align: center;
}
.why-us .normal-title .master-tit{
    display: block;
    text-align: center;
    font-weight: normal;
    color: #e43e40;
    font-size: 1.4rem;
    line-height: 1.3;
}
.why-us .normal-title .master-tit:before{
    display: none;
}
.h5-about-plan{
    background-color: #fff;
    background-size: 100% auto;
    margin-top: 1.2rem;
}
.why-us .normal-title .sub-tit{
    font-weight: normal;
    font-size: 1rem;
    margin-top: 1rem;
    padding-top: 0;
    line-height: 1.3;
    color: #333;
}
.howjoin{
    background-color: #fff;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}
.howjoin .join-item .text{
    padding-bottom: 0;
}
.howjoin .join-item .text .h1 i{
    display: none;
}
.howjoin .join-item .text .h1{
    text-align: center;
}
.howjoin .join-item .text .h2{
    display: none;
}

.teacher-tips-4{
    color: #666;
    padding:0 3rem;
    text-align: center;
}

.font20{
    font-size: 1.5rem!important;
}
.teachers-video{
    background-color: #fff;
    padding-bottom: 1.5rem;
}
.teachers-video .btns{
    display: flex;
    justify-content: space-around;
    width: 80%;
    margin: 0 auto;
}
.teachers-video .btns a{
    color: #666;
    font-size: 1.5rem;
}
.teachers-video .text .h2{
    color: #333;
    font-size: 1rem;
}
.teacher-equity{
    background-color: #fff;
    padding-left: 0;
    padding-right: 0;
    border-radius: 0;
    padding-bottom: 0;
}
.teacher-equity .text .tags{
    position: unset;
    width: 80%;
    box-sizing: border-box;
    top:0;
    font-size:8px;
    padding-left: 1rem;
    padding-right: 1rem;
    margin-left: 1.5rem;

}
.teacher-equity .text .lis{
    padding: 1.5rem;
    background-color: #f9f9f9;
    background-image: url("../images/h5-teacher-equitybg.jpg");
    background-position: center top;
    background-repeat: no-repeat;
    background-size:  100% auto ;
    font-size: 8px;
}

.past-picbox2{
    position: relative;
    width: calc(100vw - 3rem);
    height: 66vw;
    box-sizing:border-box;
    margin: 1.5rem auto;
    padding:0px;
}
.past-picbox2 ul li{
    margin: 0;
    overflow: hidden;
    background-color: #f9f9f9;
    position: absolute;
}
.past-picbox2 li .tit{
    display: none;
}
.past-picbox2 li:first-child{
    width: 35vw;
    height:26vw ;
}
.past-picbox2 li:nth-child(2){
    width: 53vw;
    height:38.5vw ;
    right: 0;
    top: 0;
}
.past-picbox2 li:nth-child(3){
    width: 35vw;
    height:37vw;
    left: 0;
    bottom: 0;
}
.past-picbox2 li:nth-child(4){
    width:25vw;
    height:25vw;
    right: 28vw;
    bottom: 0;
}
.past-picbox2 li:nth-child(5){
    width: 25vw;
    height:25vw;
    right: 0;
    bottom: 0;
}
.past-picbox2 ul li a{
    display: block;
    height: 100%;
}
.past-picbox2 ul li .img{
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.past-picbox2 ul li .img img{
    height: 100%;
    width: 100%;
    display: block;
    transform: scale(1);
    object-fit: cover;
    transition: all 0.5s;
}

.max-540,.lecturers{
    max-width: 540px;
    margin: 0 auto;
}
.lecturers .lec-item:nth-child(5),.lecturers .lec-item:nth-child(6),.lecturers .lec-item:nth-child(7),.lecturers .lec-item:nth-child(8){
    display: none;
}
.viewmore a,.viewmore{
    color: #666;
    text-align: center;
    font-size: 20px;
}

/**/
.n-cooper {
    background: #fff;
}

.n-cooper ul {
    margin: 0;
    padding: 0;
}

.n-cooper ul li {
    float: left;
    box-sizing: border-box;
}

.n-cooper ul li {
    background: #fff;
    border-radius: 2px;
    box-shadow: 0px 15px 25px 0px rgb(0 0 0 / 10%);
    display: flex;
    justify-content: center;
    align-items: center;
    padding-right: 0;
    width: calc(25% - 8px);
    margin-right: 0.625rem;
    margin-bottom: 0.625rem;
    overflow: hidden;
    min-height: 4rem;
}

.n-cooper ul li img {
    max-height: 4rem;
}

.n-cooper ul li:nth-child(4n) {
    margin-right: 0;
}

#partnersLogo {
    padding-top: 0.75rem;
}

.plan-item:first-child {
    padding-top: 0.75rem;
}

.plan-item .acpfont {
    font-size: 40px;
    color: #222D36;
    line-height: 1;
    margin-right: 10px;
}

.plan-item .plan-tit {
    font-size: 16px;
    font-family: SourceHanSansCN-Heavy, SourceHanSansCN;
    font-weight: 800;
    color: #222D36;
    margin-bottom: 10px;

    display: flex;
    margin-top: 0.75rem;
    align-items: center;
}

.plan-item dl,
.plan-item dd {
    margin: 0;
    padding: 0;
}
.plan-item dt{
    font-weight: bold;
}
.plan-item dt,
.plan-item dd {
    margin-bottom: 10px;
}

.plan-item dl {
    margin-top: 10px;
    margin-bottom: 10px;
}

.plan-item dd::before {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 8px;
    background: #222D36;
    content: '';
    margin-right: 5px;

}
.planlist{
    padding: 1.5rem;
}
.planlist .plan-item:first-child{
    margin-bottom: 1.5rem;
}
.partners-list li .text .part-tit{
    margin-bottom: 0px;
}

.clearfix:after{
    display: block;
    content: '';
    width: 100%;
    height: 1px;
    clear: both;
}
.experts-list{
    max-width: 540px;
    margin: 0 auto;
}

.other-experts{
    justify-content: flex-start;
}
.lecturers .lec-item .tit{
    bottom: -8.25rem;
}
.other-experts .expert-item{
    overflow: hidden;
    height: 180px;
}
.other-experts .expert-item .tit{
    position: absolute;
    z-index: 3;
    right: 0;
    left: 0;
    bottom: -16.25rem;
    overflow: hidden;
}
.other-experts .expert-item:hover .tit{
    bottom: 0;
    display: flex;
    align-items: flex-end;
}
.other-experts .expert-item .tit .desc{
    color: #fff;
    padding: 1rem;
    display: none;
}
.other-experts .expert-item:hover .tit .desc{
    display: block;
}

.other-experts .expert-item .tit .desc .h1{
    font-size: 1.5rem;
    font-weight: bolder;
    margin-bottom: 0.3125rem;
}
.other-experts .expert-item .tit .desc .id{
    font-size: 1rem;
    color: rgba(255,255,255,0.8);
    display: none;
    transition: all  0.1s;
}
.other-experts .expert-item .tit .desc .id{
    display: block;
}
.other-experts .expert-item .tit .desc .company{
    margin: 0.5rem 0;
    font-size: 1rem;
    color: #fc0000;
    transition: all  0.1s;
}
.other-experts .expert-item .tit .desc .company{
    margin: 0.5rem 0;
    font-size: 1.125rem;
    color: #fff;
}
.other-experts .expert-item .tit .desc dl{
    display: none;
    transition: all 0.1s;
}
.other-experts .expert-item .tit .desc dl{
    display: block;
}
.other-experts .expert-item .tit .desc dd{
    display: block;
    margin-top: 1.25rem;
    color: rgba(255,255,255,0.8);
    font-size: 0.875rem;
    line-height: 1.125rem;
    text-align: justify;
}


@media screen and (min-width: 540px) {
    .past-picbox2{
        width: 500px;
        height: 360px;
        margin: 20px auto;
    }
    .past-picbox2 li:first-child{
        width: 185px;
        height: 143px;
    }
    .past-picbox2 li:nth-child(2){
        width: 295px;
        height: 210px;
    }

    .past-picbox2 li:nth-child(3){
        width: 185px;
        height: 200px;
    }

    .past-picbox2 li:nth-child(4){
        width: 136px;
        right: 158px;
        height:136px;
    }

    .past-picbox2 li:nth-child(5){
        width: 136px;
        height:136px;
    }
}