.row{
    margin-left: 0px !important;
    margin-right: 0px !important;
}
.banner{
    height: 550px; 
    position: relative;
}
.banner_txt{
    position: absolute;
    top: 0;
    left: 18%; 
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center; 
    color: #fff;
}
.banner_txt h1:nth-child(1){
    font-size: 74px;
    font-weight: bold;
    margin: 0;
    line-height: inherit;
}
.banner_txt div:nth-child(3){
    font-size: 24px;
}
/* 导航标题 */
.navtitle{
    font-size: 38px;
}
/* 文字描述 */
.txtdec{
    font-size: 20px ;
} 
.subTitle{
    font-size: 20px;
}   
.gntd{
    padding-top: 80px;
    text-align: center;
}
.bodcon{
    border:1px solid #e7e7e7;
    display: flex;  
    padding: 0 30px;
}
.bodcon>div{
   flex:1
}
.gntd_con{
    max-width: 1400px;
    margin: 0 auto;
    padding-bottom: 40px;
}
.gongnengdiv{
    height: 300px; 
    border-radius: 13px;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 20px;
    color: #1963a0;
    text-align: left;
    box-shadow: 0 15px 40px #ccc;
    background-color: #fff;
    padding: 0 30px;
    margin-bottom: 20px;
} 
.ys_p{
    font-size: 14px;
}

.contxt{
    font-size: 23px;
    color: #1963a0;
    font-weight: bold;
}
.xttd{
    text-align: center;
}
.xttd_bg{
    background-color: #f5f6fa;
}
.xttd_tit{
    font-size: 38px;
    padding-bottom: 60px;
}
.condiv{
    max-width: 1000px;margin: 0 auto;padding: 70px 0;display: flex;flex-wrap: wrap;justify-content: space-around;align-items: center;line-height: 40px;row-gap: 20px;
}
.yycj{
    font-size: 38px;
    padding-top: 70px;
    max-width: 1400px;
    margin: 0 auto;
}
.yycj_con div{
    padding: 10px;
    font-size: 20px;
}
.yycj_con img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.jiejue{
    max-width: 1400px;
    margin: 45px auto;
    text-align: center;
    border: 1px solid #4c89f7;
    border-radius: 25px;
    padding: 30px 0;
    margin-bottom: 70px;
    color: #333;
}
.jiejue_tit{
    font-size: 38px;
    font-family:"siyuan_bold";
}
.jiejue_form{
    display: flex;
    justify-content: center;
    margin-top: 20px;
}
.jiejue_form label{
    font-size: 16px;
}
.form-horizontal{
    width: 65%;
}
.form-group {
    margin-bottom: 5px !important;
}
.mess_span{
    color: red;
}
.xiaoping_img{
    width: 100%;
    display: none;
}
.banner_txt button{
    width: 180px;
    height: 50px;
    font-size: 20px; 
    background-color: #4c89f7;
}
@media (max-width: 1700px) { 
    .banner_txt{
        left: 15%;
    }
}
@media (max-width: 1050px) { 
    .banner_txt{
        left: 5%;
    }
}
@media (max-width: 768px) { 
    .bodcon{
        flex-direction: column;
    }
    .banner_txt{
        left: 50%;
        transform: translateX(-50%);
        width: 80%;
        height: 50%;
    }
    .banner_txt button{
        width: initial;
        height: initial ;
        padding: 3px 14px;
        font-size: 18px;
    }
    .gntd{
        padding-top: 40px;
    }  
    .subTitle{
    font-size: 20px !important;
    }    
    .syp_bg{
        width: 80vw;
    }
    .navtitle{
    font-size: 25px
    }
    .txtdec{
    font-size: 16px;
    } 
    .jiejue{
        border: none;
    }
    .form-horizontal{
        width: 90%;
    }
    .banner{
        height: 100%;
    }
    .daping_img{
        display: none;
    }
    .xiaoping_img{
        display: block;
    } 
    .ys_p{
        font-size: 12px;
    }
    .gongnengdiv{
        font-size: 16px;
    } 
    .condiv{
        flex-direction: column;
    }
}
@media (max-width: 500px) { 

    .banner_txt h1:nth-child(1){
        font-size: 25px;
    }
    .banner_txt div:nth-child(3){
        font-size: 16px;
    }
    .banner_txt button{
        font-size: 14px;

    }
}