    @media screen and (max-width: 1200px) {
        .header {
            padding: 0 50px;
        }

        .nav ul li a {
            font-size: 20px;
        }
        .index2 .MsoNormal {
            font-size: 18px;
        }

        .index1Swiper {
            height: 500px;
        }

        .w1100 {
            padding-left: 30px;
            padding-right: 30px;
        }

        .slideBox h4 {
            font-size: 45px;
        }

        .slideBox p {
            font-size: 20px;
        }

        .index3-tt,
        .index3-li h4,
        .index4-l h4,
        .index5-r h4,
        .bianjiqi-info h1,
        .fuwu1T,
        .bianjiqi-info h2,
        .addressList h4,
        .about2-l h4,
        .index2B-l h4 {
            font-size: 40px;
        }

        .index3 ul li a p,
        .wuliu p,
        .index4-l p,
        .index5-r p,
        .fuwu1-l p,
        .bianjiqi-info,
        .about2-l p,
        .index2B-l p {
            font-size: 18px;
        }

        .fuwu1T span,
        .fuwu h4 span {
            font-size: 22px;
        }
         .aboutul-img{
            max-width: 100%;
        }
        .aboutLi h4{
            font-size: 24px !important;
        }
       .aboutLi h6,
         .aboutLi p{
                    font-size: 14px !important;
        line-height: 24px !important;
        }
    }

    @media screen and (max-width: 1050px) {
        .header {
            padding: 0 25px;
        }
        .null-div {
            height: 120px;
        }
        .header {
            height: 120px;
        }

        .logo {
            width: 100%;
            line-height: 60px;
            text-align: center;
        }

        .nav {
            width: 100%;
        }

        .nav ul {
            justify-content: center;
        }

        .nav ul li a {
            font-size: 18px;
            line-height: 60px;
        }

        .index1 {
            padding-top: 120px;
        }

        .h_fixed .header {
            height: 90px;
        }

        .h_fixed .index1 {
            padding-top: 90px;
        }

        .h_fixed .logo {
            line-height: 50px;
        }

        .h_fixed .nav ul li a {
            line-height: 40px;
        }

        .slideBox h4 {
            font-size: 40px;
        }

        .slideBox h4 {
            font-size: 40px;
        }

        .slideBox h4::after {
            bottom: -5px;
        }

        .index3-tt,
        .index3-li h4,
        .index4-l h4,
        .index5-r h4,
        .index2B-l h4,
        .bianjiqi-info h1,
        .fuwu1T,
        .bianjiqi-info h2,
        .addressList h4,
        .about2-l h4 {
            font-size: 36px;
        }
        .fuwu1T {
            margin-bottom: 20px;
        }
        .bianjiqi-info h4 {
            font-size: 18px;
            line-height: 35px;
        }
        .index3 ul li a p,
        .fuwu1-l p,
        .wuliu p,
        .index4-l p,
        .index5-r p,
        .index2B-l p,
        .about2-l p,
        .bianjiqi-info {
            font-size: 16px;
            line-height: 35px;
        }
        .fuwu1 {
            padding-top: 50px;
            padding-bottom: 50px;
        }
        .fuwu1T span,
        .fuwu h4 span {
            font-size: 20px;
        }

        .index3 ul li {
            width: calc(33.33% - 10px);
        }

        .index5 form h6 {
            font-size: 30px;
        }

        .form-v {
            margin-bottom: 20px;
        }

        .form-v label {
            font-size: 16px;
            margin-bottom: 5px;
        }

        .w1100 {
            padding-left: 15px;
            padding-right: 15px;
        }
        .download-list {
    padding: 60px 25px;
        }
        .download-fl .fl-item {
    height: 60px;
    margin-left: 100px;
}
.download-fl{
    padding: 0 40px;
}
    }

    @media screen and (max-width: 860px) {

        .index4-l,
        .index4-r,
        .index5-l,
        .index2B-l,
        .index2B-r {
            width: 100%;
        }

        .index4-r {
            justify-content: flex-start;
        }

        .index5-r {
            width: 100%;
            padding-top: 30px;
        }

        .footerBox {
            max-width: 100%;
        }

        .wuliu ul li {
            margin-bottom: 20px;
            width: 140px;
        }

        .fuwu .index4-r,
        .fuwu1-l,
        .about2-l,
        .fuwu .index4-l {
            width: 100%;
        }

        .about2-r,
        .fuwu1-r {
            width: 100%;
            padding-top: 30px;
        }
            .about2-r img,
            .fuwu1-r img,
            .index2B-r img,
            .index5-l img {
                width: 100% !important;
                max-height: 500px;
                object-fit: cover;
            }
        .wuliu {
            padding-bottom: 50px;
        }

        .about2-l {
            padding-top: 20px;
            padding-bottom: 20px;
            padding-left: 30px;
            padding-right: 20px;
        }
                .addressF .addressList {
    margin: 0 15px;
    margin-bottom: 30px;
}
.addressbox .addressList {
    margin: 0 15px;
    margin-bottom: 30px;
}
.inner-download{
        padding: 60px 0px;
}
.download-fl{
    padding: 0;
}
.download-fl .fl-item {
    height: 50px;
    margin-left: 50px;
}
.download-list {
    padding: 40px 0px;
    padding-bottom: 0px;
}
.download-list .list-item{
    margin-bottom: 20px;
}
.xian{
        left: 10px;
    margin-left: 0px;
}
.aboutul-img ul li{
        background-position: left top;
    margin-bottom: 20px;
}
.aboutLi{
        width: calc(100% - 60px);
}
.aboutul-img ul li:nth-child(2n){
    justify-content: flex-end;
}
.aboutLi-text {
    padding-left: 10px;
    width: calc(100% - 58px);
}
    }

    @media screen and (max-width: 660px) {

        .index3-tt,
        .index3-li h4,
        .index4-l h4,
        .index5-r h4,
        .index2B-l h4,
        .bianjiqi-info h1,
        .fuwu1T,
        .bianjiqi-info h2,
        .addressList h4,
        .about2-l h4 {
            font-size: 30px;
        }
        .fuwu1T {
            margin-bottom: 20px;
        }

        .fuwu1T span,
        .fuwu h4 span {
            font-size: 18px;
        }

        .index3 ul li {
            width: 100%;
        }

        .f-logo {
            width: 100%;
        }

        .f-item {
            width: 100%;
            padding-top: 20px;
        }

        .nav_but {
            display: block;
            z-index: 999;
            position: absolute;
            top: 50%;
            left: 15px;
            margin-top: -8px;
        }

        .navBtn {
            width: 28px;
            height: 16px;
            position: relative;
            cursor: pointer;
            z-index: 9;
        }

        .navBtn span {
            display: block;
            height: 2px;
            background: #fff;
            top: 0px;
            position: absolute;
            width: 100%;
            -webkit-transition: all .3s ease;
            -o-transition: all .3s ease;
            transition: all .3s ease;
        }

        .navBtn span:nth-child(2) {
            top: 7px;
        }

        .navBtn span:nth-child(3) {
            top: 14px;
        }

        .closeNavbtn span:nth-child(1) {
            -webkit-transform: rotate(45deg);
            -ms-transform: rotate(45deg);
            -o-transform: rotate(45deg);
            transform: rotate(45deg);
            top: 10px;
        }

        .closeNavbtn span:nth-child(2) {
            display: none;
        }

        .closeNavbtn span:nth-child(3) {
            -webkit-transform: rotate(-45deg);
            -ms-transform: rotate(-45deg);
            -o-transform: rotate(-45deg);
            transform: rotate(-45deg);
            top: 10px;
        }

        .nav {
            display: none;
        }
        .null-div {
            height: 60px !important;
        }
        .header {
            position: relative;
            height: 60px !important;
        }

        .index1 {
            padding-top: 60px !important;
        }

        .logo img {
            max-height: 15px;
        }

        .nav {
            display: none;
            position: fixed;
            left: 0;
            right: 0;
            top: 60px;
            padding: 15px;
            background: #00205B;
        }

        .nav ul {
            display: block;
        }

        .nav ul li {
            text-align: center;
            margin: 0;
        }

        .wuliu ul li {
            width: 100%
        }
        .wuliu ul li img{
            width: 100%;
            height: auto;
        }
        .about1,
        .wuliu {
            padding-top: 30px !important;
            padding-bottom: 30px;
        }

        .about1.about3 {
            padding-top: 40px !important;
        }

        .index4 {
            padding-top: 30px;
            padding-bottom: 40px;
        }

        .index5 {
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .fuwu1Box {
           margin-bottom: 40px;
        }
                .addressbox,
        .addressF {
         column-count: 1;
        }
        .addressbox .addressList,
       .addressF .addressList {
        margin: 0 ;
        margin-bottom: 30px;
       }

        .index5-form .address-form .form-v {
            width: 100%;
        }

        .addressList {
            padding: 30px 20px;
        }

        .addressTaiwan .xq {
            width: calc(100% - 110px);
        }

        .xq-img {
            width: 100px;
        }

        .xq-img img {
            width: 100px;
            height: 100px;
        }
        
            .download-fl .fl-item {
        height: 40px;
        margin-left: 25px;
    }
    .download-fl .fl-link{
        font-size: 14px;
    }
    .inner-download {
        padding: 30px 0px;
    }
        .download-list {
        padding: 30px 0px;
        padding-bottom: 0px;
    }
    .download-list .list-item {
    width: 49%;
    max-width: 49%;
    }
    .download-list .list-item .text-box{
        padding: 45px 15px;
    }

                .xian {
        left: 0px;
        margin-left: 0px;
    }
        .aboutul-img ul li {
        background-size: 22px 22px;
    }
        .aboutLi {
        width: calc(100% - 30px);
            padding: 10px 10px;
    }
        .aboutLi h4 {
        font-size: 20px !important;
    }
    .aboutLi-text {
    width: calc(100% - 50px);
}
.aboutLi h6, .aboutLi p {
        font-size: 12px !important;
    }
    }