.zt>p:nth-child(1){
    text-align: center;
}
.sj{
    display: flex;
    justify-content:center;
    margin: 40px 0  70px;
    align-items: center;
}
.cdh > a:nth-child(2) {
    margin: 0 0 0 120px;
}
.sj>div:nth-child(1){
    background: linear-gradient(90deg, #2FA8E1, #0668A9, #0373BC, #2FA8E1);
}
.sj>div:nth-child(1)>p{
    text-align: center;
    color: white;
    padding: 2px 6px;
    text-transform:uppercase;
    font-size: 20px;
}

.sj>div:nth-child(2){
    font-size: 20px;
    margin-left: 26px;
    color: #666666;
    display: none;
}
.nr{
    background: white;
}
.nr img{
    width: 100%;
    display: block;
}
.nr>div{
    width: 83%;
    margin: auto;
}
.nr p{
    font-size: 17px;
    line-height: 34px;
    margin-top: 50px;
}
.zlj{
    margin-top: 100px;
    border: 1px solid;
    border-color: rgba(0,0,0,0.2);
}

@media (max-width: 1440px){
    .sj{
        margin: 30px 0  60px;
    }
    .sj>div:nth-child(1)>p{
        font-size: 18px;
    }

    .sj>div:nth-child(2){
        font-size: 18px;
        margin-left: 20px;
    }
    .nr p{
        font-size: 14px;
        line-height: 28px;
        margin-top: 40px;
    }
    .zlj{
        margin-top: 80px;
    }
}

@media (max-width:1200px){

    .sj {
        margin: 20px 0 40px;
    }
    .sj>div:nth-child(2){
        font-size: 16px;
    }
    .nr>div{
        width: 90%;
    }
    .nr p{
        margin-top: 20px;
    }
    .zlj {
        margin-top: 60px;
    }
}
@media (max-width:768px){
    .nr p {
        margin-top: 10px;
    }
    .cdh > a:nth-child(2) {
        margin: 0 0 0 50px;
    }
    .sj>div:nth-child(2){
        font-size: 14px;
    }
    .sj>div:nth-child(1)>p{
        font-size: 16px;
    }
    .zlj {
        margin-top: 40px;
    }
    .sj {
        margin: 10px 0 20px;
    }
}