.newsNavigation{
    width: 100%;
    height: 67px;
    background: #FFFFFF;
    box-shadow: 0px 2px 40px 0px rgba(182,182,182,0.3300);
}
.newsNavigation .mainNav{
    margin: 0 auto;
    width: 1200px;
    font-size: 20px;
    font-family: PingFang;
    font-weight: 500;
    color: #004080;
    line-height: 67px;

}
.newsNavigation .mainNav span{
    cursor: pointer;
}
.newsNavigation .mainNav span::after{
    margin-left: 4px;
    content: '-';
}
.newsNavigation .mainNav span:last-child{
    color: #333333;
}
.newsNavigation .mainNav span:last-child::after{
    display: none;
}
.introduceBox{
    margin: 42px auto 0;
    width: 1200px;
    box-sizing: border-box;
    background: #FFFFFF;
    box-shadow: 0px 2px 60px 0px rgba(182,182,182,0.3400);
    border-radius: 2px;
}
.introduceBox p{
    font-size: 16px;
    font-family: PingFang;
    font-weight: 500;
    color: #333333;
    line-height: 26px;
}
.introduceBox:last-child{
    margin-bottom: 64px;
}
.introduceBox .itdMain{
    padding: 40px 20px;
    text-align: center;
}
.introduceBox .itdMain .pImg3{
    margin: 10px auto 0;
    width: 910px;
}
.introduceBox .itdMain .pImg3 img{
    width: 100%;
}
.introduceBox .itdTitle{
    padding-left: 18px;
    width: 100%;
    height: 44px;
    background: #004080;
    font-size: 16px;
    font-family: PingFang;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 44px;
    box-sizing: border-box;
}
.introduceBox .itdTitle.next{
    background: #A1A3B3;
    color: #333333;
    text-align: center;
}
.introduceBox .itdContent{
    display: flex;
    flex-wrap: wrap;
    margin-top: 45px;
}
.introduceBox .itdContent .pImg{
    margin: 0 0 45px 45px;
    padding: 50px 80px;
    width: 563px;
    height: 490px;
    background: #FFFFFF;
    border: 1px solid #E3E3E3;
    border-radius: 2px;
    box-sizing: border-box;
}
.introduceBox .itdContent .pImg img,
.introduceBox .itdContent .itdText .pImg2 img{
    width: 100%;
    height: 100%;
}
.introduceBox .itdContent .itdText{
    margin: 0 20px;
}
.introduceBox .itdContent .itdText .f-b{
    display: flex;
    justify-content: space-between;
    width: 550px;
}
.introduceBox .itdContent .itdText .pImg2{
    padding: 20px;
    width: 170px;
    height: 154px;
    background: #FFFFFF;
    border: 1px solid #E3E3E3;
    border-radius: 2px;
    box-sizing: border-box;
}
.introduceBox .itdContent .itdText .pImg2 + .pImg2{
    margin-left: 20px;
}
.introduceBox .itdContent .itdText h1{
    margin: 42px 0 0 0;
    font-size: 18px;
    font-family: PingFang;
    font-weight: 800;
    color: #999999;
    text-align: center;
}
.introduceBox .itdContent .itdText .pdBtn{
    margin: 20px auto 0;
    width: 268px;
    background: #004080;
    border-radius: 4px;
    line-height: 38px;

}
.introduceBox .itdContent .itdText .csBtn{
    margin: 58px auto 30px;
    width: 158px;
    height: 47px;
    background: #A1A3B3;
    border-radius: 8px;
    line-height: 47px;
}
.introduceBox .itdContent .itdText .pdBtn,
.introduceBox .itdContent .itdText .csBtn{
    font-size: 18px;
    font-family: PingFang;
    font-weight: 800;
    color: #FFFFFF;
    text-align: center;
    cursor: pointer;
    word-break: break-all;
}


@media only screen and (max-width:1200px ){
    .newsNavigation{
        height: auto;
    }
    .newsNavigation .mainNav{
        width: 100%;
    }
    .introduceBox{
        width: auto;
        margin: 42px 10px 0;
    }
    .introduceBox .itdContent .pImg{
        margin: 0 20px;
        padding: 10px 20px;
        width: auto;
        height: auto;
    }
    .introduceBox .itdMain .pImg3{
        width: auto;
    }
    .introduceBox .itdContent .itdText .pImg2{
        width: 33%;
        height: auto;
        padding: 10px;
        margin-top: 20px;
    }
    .introduceBox .itdContent .itdText{
        width: 100%;
    }
    .introduceBox .itdContent .itdText .f-b{
        width: auto;
    }
}