@media (max-width: 600px) {
    main .content-cp{
        overflow: hidden;
        padding-bottom: 20px;
    }
    main .topbg {
        width: 100%;
        height: auto;
        color: #181818;
        background-repeat: no-repeat;
        background-position: center;
        background-size: cover ;
        background-position-x: 68%;
    }
    main .topbg .sxtitcen{
        width: 100%;
        height: 300px;
        margin: auto;
        padding-top: 40%;
    }
    main .topbg .sxtitcen p{
        height: 32px;
        font-weight: 400;
        font-size: 16px;
        color: #FFFFFF;
        line-height: 32px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        padding: 10px;
        display: none;
    }
    main .topbg .sxtitcen h2{
        min-height: 50px;
        font-weight: 700;
        font-size: 24px;
        color: #FFFFFF;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin: 0;
        display: none;
    }

    main .introduce{
        width: 100%;
        background: #FFFFFF;
    }
    main .introduce div{
        margin: auto;
        text-align: center;
        padding: 3%;
    }
    main .introduce div h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 30px;
    }
    main .introduce div p{
        width: 100%;
        min-height: 30px;
        font-weight: 400;
        font-size: 16px;
        color: #181818;
        line-height: 26px;
        text-align: left;
        font-style: normal;
        text-transform: none;
    }
    main .introduce div img{
        width: 100%;
        height: auto;
    }
    
    main .feature{
        width: 100%;
        overflow: hidden;
        background: #F5F7FA;
        padding-bottom: 30px;
    }
    main .feature div{
        /* width: 1200px; */
        min-height: 1050px;
        margin: auto;
        text-align: center;
    }
    main .feature h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0px;
        padding-top: 100px;
        margin-bottom: 80px;
    }
    main .feature ul{
        /* width: 1220px; */
        height: 600px;
        margin: auto;
    }
    main .feature ul li{
        width: 45%;
        height: 246px;
        background: #FFFFFF;
        border-radius: 4px 4px 4px 4px;
        float: left;
        margin: 2%;
        background-repeat: no-repeat;
        background-position: center;
        background-color: #FFFFFF;
        background-position-y: 40px;
        background-size: 40px 40px;
        box-sizing: border-box;
    }
    main .feature ul li h4{
        /* width: 200px; */
        height: 26px;
        font-weight: 700;
        font-size: 18px;
        color: #181818;
        line-height: 26px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        /* margin-left: 15px; */
        margin-top: 100px;
        margin-bottom: 0px;
    }
    main .feature ul li .special{
        margin-top: 65px;
    }
    main .feature ul li p{
        /* width: 200px; */
        height: 40px;
        font-weight: 400;
        font-size: 14px;
        color: #4B5B76;
        line-height: 20px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 40px;
        /* margin-left: 15px; */
    }
    main .canshu div{
        width: 100%;
        margin: auto;
    }
    main .canshu h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0;
        padding-top: 50px;
        margin-bottom: 60px;
    }
    main .canshu img{
        width: 100%;
        height: auto;
    }
    main .certificate div{
        width: 100%;
        margin: auto;
    }
    main .certificate h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0;
        padding-top: 50px;
    }
    
    main .certificate img{
        width: 100%;
        height: auto;
        display: block;
        margin: auto;
    }
}
@media (min-width: 600px) and (max-width: 767px) {
    main .content-cp{
        overflow: hidden;
    }
    main .topbg {
        width: 100%;
        height: 310px;
        color: #181818;
        background-repeat: no-repeat;
        background-position: center;
        background-size: cover ;
        background-position-x: 65%;
    }
    main .topbg .sxtitcen{
        width: 90%;
        height: auto;
        margin: auto;
        padding-top: 7%;
        padding-left: 0%;
    }
    main .topbg .sxtitcen p{
        /* width: 396px; */
        height: 32px;
        font-weight: 400;
        font-size: 18px;
        color: #FFFFFF;
        line-height: 32px;
        text-align: left;
        font-style: normal;
        text-transform: none;
        padding: 10px;
    }
    main .topbg .sxtitcen h2{
        /* width: 512px; */
        min-height: 50px;
        font-weight: 700;
        font-size: 48px;
        color: #FFFFFF;
        /* line-height: 93px; */
        text-align: left;
        font-style: normal;
        text-transform: none;
        margin: 0px;
    }

    main .introduce{
        width: 100%;
        min-height: 536px;
        background: #FFFFFF;
    }
    main .introduce div{
        /* width: 1200px; */
        min-height: 536px;
        margin: auto;
        text-align: center;
        padding: 3%;
    }
    main .introduce div h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 100px;
        margin-bottom: 60px;
    }
    main .introduce div p{
        width: 100%;
        min-height: 30px;
        font-weight: 400;
        font-size: 16px;
        color: #181818;
        line-height: 26px;
        text-align: left;
        font-style: normal;
        text-transform: none;
    }
    main .introduce div img{
        width: 100%;
        height: auto;
        margin-top: 100px;
    }
    
    main .feature{
        width: 100%;
        min-height: 1600px;
        background: #F5F7FA;
    }
    main .feature div{
        /* width: 1200px; */
        min-height: 1050px;
        margin: auto;
        text-align: center;
    }
    main .feature h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0px;
        padding-top: 100px;
        margin-bottom: 80px;
    }
    main .feature ul{
        /* width: 1220px; */
        min-height: 600px;
        margin: auto;
    }
    main .feature ul li{
        width: 30%;
        height: 246px;
        background: #FFFFFF;
        border-radius: 4px 4px 4px 4px;
        float: left;
        margin-left: 2.5%;
        margin-bottom: 2%;
        background-repeat: no-repeat;
        background-position: center;
        background-color: #FFFFFF;
        background-position-y: 40px;
        background-size: 40px 40px;
        box-sizing: border-box;
    }
    main .feature ul li h4{
        /* width: 200px; */
        height: 26px;
        font-weight: 700;
        font-size: 18px;
        color: #181818;
        line-height: 26px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        /* margin-left: 15px; */
        margin-top: 100px;
        margin-bottom: 0px;
    }
    main .feature ul li .special{
        margin-top: 65px;
    }
    main .feature ul li p{
        /* width: 200px; */
        height: 40px;
        font-weight: 400;
        font-size: 14px;
        color: #4B5B76;
        line-height: 20px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 40px;
        /* margin-left: 15px; */
    }
    main .canshu div{
        width: 100%;
        margin: auto;
    }
    main .canshu h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0px;
        padding-top: 100px;
        margin-bottom: 60px;
    }
    main .canshu img{
        width: 100%;
        height: auto;
    }
    main .certificate div{
        width: 100%;
        margin: auto;
    }
    main .certificate h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0px;
        padding-top: 100px;
    }
    
    main .certificate img{
        width: 100%;
        height: auto;
        display: block;
        margin: auto;
    }
}
@media (min-width: 768px) {
    main .content-cp{
        overflow: hidden;
    }
    main .topbg {
        width: 100%;
        height: auto;
        color: #181818;
        background-repeat: no-repeat;
        background-position: center;
        background-size: cover ;
    }
    main .topbg .sxtitcen{
        width: 90%;
        height: 300px;
        margin: auto;
        padding-top: 9%;
        padding-left: 7%;
    }
    main .topbg .sxtitcen p{
        /* width: 396px; */
        height: 32px;
        font-weight: 400;
        font-size: 18px;
        color: #FFFFFF;
        line-height: 32px;
        text-align: left;
        font-style: normal;
        text-transform: none;
        padding: 10px;
    }
    main .topbg .sxtitcen h2{
        /* width: 512px; */
        min-height: 50px;
        font-weight: 700;
        font-size: 48px;
        color: #FFFFFF;
        /* line-height: 93px; */
        text-align:left;
        font-style: normal;
        text-transform: none;
        margin: 0px;
    }

    main .introduce{
        width: 100%;
        min-height: 536px;
        background: #FFFFFF;
    }
    main .introduce div{
        /* width: 1200px; */
        min-height: 536px;
        margin: auto;
        text-align: center;
        padding: 3%;
    }
    main .introduce div h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 100px;
        margin-bottom: 60px;
    }
    main .introduce div p{
        width: 100%;
        min-height: 30px;
        font-weight: 400;
        font-size: 16px;
        color: #181818;
        line-height: 26px;
        text-align: left;
        font-style: normal;
        text-transform: none;
    }
    main .introduce div img{
        width: 100%;
        height: auto;
        margin-top: 100px;
    }
    
    main .feature{
        width: 100%;
        min-height: 1265px;
        background: #F5F7FA;
    }
    main .feature div{
        /* width: 1200px; */
        min-height: 1050px;
        margin: auto;
        text-align: center;
    }
    main .feature h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0px;
        padding-top: 100px;
        margin-bottom: 80px;
    }
    main .feature ul{
        /* width: 1220px; */
        min-height: 600px;
        margin: auto;
    }
    main .feature ul li{
        width: 22%;
        height: auto;
        background: #FFFFFF;
        border-radius: 4px 4px 4px 4px;
        float: left;
        margin-left: 2.5%;
        margin-bottom: 2%;
        background-repeat: no-repeat;
        background-position: center;
        background-color: #FFFFFF;
        background-position-y: 40px;
        background-size: 40px 40px;
        box-sizing: border-box;
    }
    main .feature ul li h4{
        /* width: 200px; */
        height: 26px;
        font-weight: 700;
        font-size: 18px;
        color: #181818;
        line-height: 26px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        /* margin-left: 15px; */
        margin-top: 100px;
        margin-bottom: 0px;
    }
    main .feature ul li .special{
        margin-top: 65px;
    }
    main .feature ul li p{
        /* width: 200px; */
        height: 40px;
        font-weight: 400;
        font-size: 14px;
        color: #4B5B76;
        line-height: 20px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 40px;
        /* margin-left: 15px; */
    }
    main .canshu div{
        width: 100%;
        margin: auto;
    }
    main .canshu h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0px;
        padding-top: 100px;
        margin-bottom: 60px;
    }
    main .canshu img{
        width: 100%;
        height: auto;
    }
    main .certificate div{
        width: 100%;
        margin: auto;
    }
    main .certificate h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0px;
        padding-top: 100px;
    }
    
    main .certificate img{
        width: 100%;
        height: auto;
        display: block;
        margin: auto;
    }
}
@media (min-width: 992px) {
    main .content-cp{
        overflow: hidden;
    }
    main .topbg {
        width: 100%;
        height: auto;
        color: #181818;
        background-repeat: no-repeat;
        background-position: center;
        background-size: cover ;
    }
    main .topbg .sxtitcen{
        width: 90%;
        height: 300px;
        margin: auto;
        padding-top: 9%;
        padding-left: 7%;
    }
    main .topbg .sxtitcen p{
        /* width: 396px; */
        height: 32px;
        font-weight: 400;
        font-size: 18px;
        color: #FFFFFF;
        line-height: 32px;
        text-align: left;
        font-style: normal;
        text-transform: none;
        padding: 10px;
    }
    main .topbg .sxtitcen h2{
        /* width: 512px; */
        min-height: 50px;
        font-weight: 700;
        font-size: 48px;
        color: #FFFFFF;
        /* line-height: 93px; */
        text-align:left;
        font-style: normal;
        text-transform: none;
        margin: 0px;
    }

    main .introduce{
        width: 100%;
        min-height: 536px;
        background: #FFFFFF;
    }
    main .introduce div{
        /* width: 1200px; */
        min-height: 536px;
        margin: auto;
        text-align: center;
        padding: 3%;
    }
    main .introduce div h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 100px;
        margin-bottom: 60px;
    }
    main .introduce div p{
        width: 100%;
        min-height: 30px;
        font-weight: 400;
        font-size: 16px;
        color: #181818;
        line-height: 26px;
        text-align: left;
        font-style: normal;
        text-transform: none;
    }
    main .introduce div img{
        width: 100%;
        height: auto;
        margin-top: 100px;
    }
    
    main .feature{
        width: 100%;
        min-height: 1265px;
        background: #F5F7FA;
    }
    main .feature div{
        /* width: 1200px; */
        min-height: 1050px;
        margin: auto;
        text-align: center;
    }
    main .feature h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0px;
        padding-top: 100px;
        margin-bottom: 80px;
    }
    main .feature ul{
        /* width: 1220px; */
        min-height: 600px;
        margin: auto;
    }
    main .feature ul li{
        width: 22%;
        height: auto;
        background: #FFFFFF;
        border-radius: 4px 4px 4px 4px;
        float: left;
        margin-left: 2.5%;
        margin-bottom: 2%;
        background-repeat: no-repeat;
        background-position: center;
        background-color: #FFFFFF;
        background-position-y: 40px;
        background-size: 40px 40px;
        box-sizing: border-box;
        max-width: 224px;
        max-height: 246px;
    }
    main .feature ul li h4{
        /* width: 200px; */
        height: 26px;
        font-weight: 700;
        font-size: 18px;
        color: #181818;
        line-height: 26px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        /* margin-left: 15px; */
        margin-top: 100px;
        margin-bottom: 0px;
    }
    main .feature ul li .special{
        margin-top: 65px;
    }
    main .feature ul li p{
        /* width: 200px; */
        height: 40px;
        font-weight: 400;
        font-size: 14px;
        color: #4B5B76;
        line-height: 20px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 40px;
        /* margin-left: 15px; */
    }
    main .canshu div{
        width: 100%;
        margin: auto;
    }
    main .canshu h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0px;
        padding-top: 100px;
        margin-bottom: 60px;
    }
    main .canshu img{
        width: 100%;
        height: auto;
        max-width: 1200px;
        max-height: 800px;
    }
    main .certificate div{
        width: 100%;
        margin: auto;
    }
    main .certificate h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0px;
        padding-top: 100px;
    }
    
    main .certificate img{
        width: 100%;
        height: auto;
        display: block;
        margin: auto;
        max-width: 800px;
        max-height: 1130px;
    }
}
@media (min-width: 1200px) {
    main .content-cp{
        overflow: hidden;
    }
    main .topbg {
        width: 100%;
        height: 760px;
        color: #181818;
        z-index: -99999;
        position: relative;
        background-repeat: no-repeat;
        background-position:center;
        background-size: cover;
    }
    main .topbg .sxtitcen{
        width: 1200px;
        height: 300px;
        margin: auto;
        padding-top: 230px;
        position: relative;
    }
    main .topbg .sxtitcen p{
        width: 396px;
        height: 32px;
        font-weight: 400;
        font-size: 22px;
        color: #FFFFFF;
        line-height: 32px;
        text-align: left;
        font-style: normal;
        text-transform: none;
        z-index: -99999;
    }
    main .topbg .sxtitcen h2{
        width: 512px;
        height: 186px;
        font-weight: 700;
        font-size: 48px;
        color: #FFFFFF;
        line-height: 93px;
        text-align: left;
        font-style: normal;
        text-transform: none;
        margin: 0px;
        z-index: -99999;
    }
    main .introduce{
        width: 100%;
        min-height: 1336px;
        background: #FFFFFF;
    }
    main .introduce div{
        width: 1200px;
        min-height: 1336px;
        margin: auto;
        text-align: center;
    }
    main .introduce div h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 100px;
        margin-bottom: 0px;
        padding-bottom: 80px;
    }
    main .introduce div p{
        width: 100%;
        min-height: 30px;
        font-weight: 400;
        font-size: 16px;
        color: #181818;
        line-height: 26px;
        text-align: left;
        font-style: normal;
        text-transform: none;
    }
    main .introduce div img{
        margin-top: 100px;
    }
    
    main .feature{
        width: 100%;
        min-height: 1380px;
        background: #F5F7FA;
    }
    main .feature div{
        width: 1200px;
        min-height: 1050px;
        margin: auto;
        text-align: center;
    }
    main .feature h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0px;
        padding-top: 100px;
        margin-bottom: 80px;
    }
    main .feature ul{
        width: 1220px;
        height: 600px;
        margin: auto;
    }
    main .feature ul li{
        width: 224px;
        height: 246px;
        background: #FFFFFF;
        border-radius: 4px 4px 4px 4px;
        float: left;
        margin-right: 20px;
        margin-bottom: 20px;
        background-repeat: no-repeat;
        background-position: center;
        background-color: #FFFFFF;
        background-position-y: 40px;
        background-size: 40px 40px;
        box-sizing: border-box;
    }
    main .feature ul li h4{
        width: 200px;
        height: 26px;
        font-weight: 700;
        font-size: 18px;
        color: #181818;
        line-height: 26px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-left: 15px;
        margin-top: 100px;
        margin-bottom: 0px;
    }
    main .feature ul li .special{
        margin-top: 65px;
    }
    main .feature ul li p{
        width: 200px;
        height: 40px;
        font-weight: 400;
        font-size: 14px;
        color: #4B5B76;
        line-height: 20px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 40px;
        margin-left: 15px;
    }
    main .canshu div{
        width: 1200px;
        margin: auto;
    }
    main .canshu h3{
        width: 100%;
        height: 52px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0px;
        padding-top: 100px;
        margin-bottom: 80px;
    }
    main .canshu img{
        width: 1200px;
        height: 800px;
    }
    main .certificate div{
        width: 1200px;
        margin: auto;
    }
    main .certificate h3{
        width: 1200px;
        height: 100px;
        font-weight: 700;
        font-size: 36px;
        color: #181818;
        line-height: 52px;
        text-align: center;
        font-style: normal;
        text-transform: none;
        margin-top: 0px;
        padding-top: 100px;
    }
    
    main .certificate img{
        width: 800px;
        height: 1130px;
        display: block;
        margin: auto;
    }
}