*{
    margin: 0;
    padding: 0;
}
.banner{
    height: 550px;
    color: #fff;
    position: relative;
}
.banner_txt{
    position: absolute;
    top: 0;
    width: 100%;
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.banner_txt div:nth-child(1){
    color: #001f68;
    font-size: 110px;
    font-weight: bold;
}
/* 导航标题 */
.navtitle{
    font-size: 38px;
}
/* 副标题 */
.subtitle{
    font-size: 30px;
    margin-bottom: 30px;
}
/* 文字描述 */
.txtdec{
    font-size: 20px ;
}   
.gntd{
    padding-top: 70px;
    text-align: center;
}
.gntd_con{
    max-width: 1250px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    padding-bottom: 60px;
}
.gntd_con>div{
    width: 16.6%;
}
.gongnengdiv{
    text-align: center;
     cursor: pointer;
     border-radius: 7px;
     padding: 0 30px;
     min-height: 210px;
     font-size: 20px;
}
.gongnengdiv:hover{
    color: #ff9d10;
    box-shadow: 0 0 40px #ccc;
    background-color: #fff;
}
.row{
    margin-left: 0px !important;
    margin-right: 0px !important;
}
.xttd{
    text-align: center;
    padding: 0 10px;
}
.gdfa_tit{
    text-align: center;
    margin-bottom: 60px;
}
.xiaoping_img{
    width: 100%;
    display: none;
}
@media (max-width: 1000px) { 
    .banner_txt div:nth-child(1){
        font-size: 70px;
    }
}
@media (max-width: 768px) { 
    .banner_txt div:nth-child(1){
        font-size: 40px;
    }
    .gntd{
        font-size: 30px;
        padding-top: 40px;
    }
    .gntd div:nth-child(1){
        margin-bottom: 0px !important
    }
    .gntd_con{
        padding-bottom: 10px;
    }
    .gntd_con>div{
        width: 33.3%;
    }
    .navtitle{
        font-size: 25px
    }
   .subtitle{
       font-size: 21px ;
       margin-bottom: 10px ;
   }
   .txtdec{
    font-size: 16px;
    line-height: 30px;
   }    
   .syp_bg{
    width: 80vw;
    }
    .gdfa_tit{
        margin-bottom: 20px;
    }
    .banner{
        height: 100%;
    }
    .daping_img{
        display: none;
    }
    .xiaoping_img{
        display: block;
    }
    .gongnengdiv:hover{
        box-shadow: none;
        background-color: initial;
    }
    .gongnengdiv{
         font-size: 14px;
    }
    
}