/* 宽屏幕 >1600px*/
@media (min-width:1600px){ 

    
}


/* 超宽屏幕 >2000px */
@media (min-width:2000px){ 



    
    
}




/* 窄屏幕或者手机端 原600 */

@media (max-width: 850px){ 

    #header-wrap{
        height:60px;
    }
    
    #logo img {
        height: 30px;
    }

    #header-left-btn-box{
        display: none;
    }
    #header-right{
        display: none;
    }
    #header-m-btn{
        display: block;
    }
    #header-m-btn img{
        height:30px;
        
    }   

    #m-btn-box{
        position: fixed;
        top:0;
        left:-120%;
        padding:70px 0;
        box-sizing: border-box;
        width:100%;
        min-height:100%;
        background-color: var(--bg-gray);
        z-index:1;
        display:flex;
        flex-direction: column;
    }
    .m-btn{
        color: var(--textcolor);
        width:90%;
        margin:0 auto;
        padding:20px 0px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.2);
    }



    #contact-wrap-pc{
        display: none;
    }






    #banner-wrap{
        height:auto;
    }
    #banner-wrap .width{
        height: ;
        display: flex;
        flex-direction: column;
        /* justify-content: center; */
        align-items: center;
    }
    #banner-left{
        /* background-color: #006aff3c; */
        width:90%;
        padding:100px 0 0 0;
        text-align: center;
        /* display: flex;
        flex-direction: column;
        align-items: center; */
    }
    #banner-right{
        width:100%;
        padding:20px 0 15px 0;
    }
    .banner-text1{
        font-size:22px;
    }
    .banner-text2{
        font-size:40px;
        margin:10px 0;
    }
    .banner-text3{
        font-size:20px;
        /* font-weight: lighter; */
    }
    #banner-btn-box{
        display: flex;
        justify-content: center;
        align-items: center;
        margin-top:20px;
    }
    .banner-btn{
        padding:10px 20px;


    }


    .sec .width{
        padding:40px 0;
    }
    .sec-title{
        font-size:26px;
        margin-bottom:10px;
        font-weight: bold;
    }
    .sec-title2{
        font-size: 18px;
    }

    #sec1-item-box{
        width:100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding:0px 0;
    }
    .sec1-item{
        box-sizing: border-box;
        display: flex;
        flex-direction: column;
        align-items: center;
        width:80%;
        padding:20px 0 20px 0;
        /* background-color: rgba(0, 255, 255, 0.051); */
        text-align: center;
    }

    .sec2-img1{
        width:100%;
        display: none;
    }
    .sec2-img2{
        width:80%;
        display: block;
        margin:0 auto;
    }
    #sec2-liuchengtu{
        margin-top:40px;
    }


    #sec2-text-box{
        width:90%;
        margin-top: 30px;
    }
    .sec2-text div{
        font-size:22px;
        margin-bottom: 8px;
    }








    #bottom-wrap{    
        padding: 40px 0 0 0;
    }
    #bottom-logo-box{
        flex-direction: column;
            margin-bottom: 40px;
    }

    #bottom-logo-box img{
        height:28px;
    }
    #bottom-logo-box span{
        margin-left:0px;
        margin-top:10px;
        font-size:16px;
    }

    #bottom-wrap .width{
        width:90%;
        max-width:calc(var(--width-top)*0.9px);
        height:100%;
        /* background-color: rgba(255, 0, 251, 0.036); */
        margin:0 auto;
        display: flex;
    }

    .bottom-m1{
        padding-left:0px;
        text-align: center; 
    }
    .qrcode-box{
        display: none;
    }
    .bottom-m2, .bottom-m3, .bottom-m4{
        display: none;
    }

    .bottom-link{
        margin-bottom:6px;
        display: block;
        /* margin-left:30px; */
        padding-right:5px;
        margin-left:5px;
        height:5px;
        font-size:13px;
        line-height:5px;
    }
    #bottom-links-box{
        width:100%;
        padding:0 0 20px 0;
        justify-content:center;
        /* background-color: #0291f3; */
    }
    .beian{
        display: none;
    }

    #bottom-copyright{
        width:90%;
        max-width:calc(var(--width-top)*0.9px);
        margin:0 auto;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        font-size:12px;
        display: flex;
        justify-content: center;
        padding:40px 0;
        /* margin-top:100px;     */
    }





    
#contact-wrap-m{
    display: flex;
    position: fixed;
    z-index:99;
    right:0px;
    bottom:0px;
    background-color:rgb(255, 255, 255);
    box-sizing: border-box;
    box-shadow: 0 -1px 4px 0 rgba(0, 0, 0, .05);
    /* height:100px; */
    width:100%;
}

.contact-btn-m{
    font-size:16px;
    display: flex;
    width:50%;
    justify-content: center;
    align-items: center;
    padding:16px 0;
    color: var(--textcolor);
}
.contact-btn-m img{
    height:20px;
    margin-right:6px;
}

.contact-btn-m:first-child{
    background-color: var(--c-blue2);
    color: white;
}















}

/* 设置滚动条的样式 */
::-webkit-scrollbar {
    width: 4px;
}