body {
                width: 100%;
                height: 100vh;
                color: #0E2C5E;
                list-style: none;
                list-style: none;
                background: #F2F3F9;
                /* margin-bottom: 90px; */
            }

            ol,
            ul {
                padding-left: 0;
                list-style: none;
            }
            /* #myCarousel {
    height: 500px;
    overflow: hidden;
} */

            .carousel-inner {
                margin-top: 70px;
            }

            .navbar-default {
                background-color: rgba(0, 0, 0, .3);
                /* opacity: 0.4; */
                /* background-color: transparent; */
                border-color: transparent;
            }

            @media screen and (max-width: 767px) {
                .navbar-default {
                    background-color: rgba(0, 0, 0, .7);
                }
            }
            /* .nav_index .navbar-toggle {
                border-color: #fff;
            } */

            .nav_index .navbar-toggle .icon-bar {
                background-color: #fff;
            }
            /* a标签    导航 */

            .nav>li>a {
                margin: 0 25px;
                padding: 15px 0;
                padding-bottom: 0;
                margin-bottom: 15px;
            }

            @media screen and (max-width: 768px) {
                .nav>li>a {
                    margin: 4px 30px;
                    padding: 0px 0;
                    padding-bottom: 0;
                    margin-bottom: 15px;
                }
            }
            /* 点击按钮变成     xxxxx */
            /* .open_fang .icon-bar:nth-child(2) {

                transform: rotate(45deg);
                -webkit-transform: rotate(45deg);
                -o-transform: rotate(45deg);
                -ms-transform: rotate(45deg);
            } */

            .open_fang .icon-bar {
                display: none;
            }

            .bar_fang {
                color: #000;
                /* position: absolute; */
                margin-top: 0;
                margin-left: 0;
                width: 22px;
                height: 2px;
                border-radius: 4px;
                display: block;
            }

            .open_fang .bar_fang:before {
                display: block;
                border-radius: 4px;
                content: '';
                position: absolute;
                top: 14px;
                width: 24px;
                height: 2px;
                background-color: #fff;
                -webkit-transform: rotate(-45deg);
                -o-transform: rotate(-45deg);
                -ms-transform: rotate(-45deg);
                transform: rotate(-45deg);
            }

            .open_fang .bar_fang:after {
                display: block;
                border-radius: 4px;
                content: '';
                position: absolute;
                top: 14px;
                width: 24px;
                height: 2px;
                background-color: #fff;
                -webkit-transform: rotate(45deg);
                -o-transform: rotate(45deg);
                -ms-transform: rotate(45deg);
                transform: rotate(45deg);
            }

            .open_fang .icon-bar:nth-child(3) {
                display: none;
            }
            /* .open_fang .icon-bar:last-child {

                transform: rotate(-45deg);
                -webkit-transform: rotate(-45deg);
                -o-transform: rotate(-45deg);
                -ms-transform: rotate(-45deg);
            } */

            .active {
                border-bottom: 4px solid #fff;
                opacity: 1;
            }

            .navbar-default .navbar-nav>li>a:focus,
            .navbar-default .navbar-nav>li>a:hover {
                color: #fff;
            }

            .navbar-default .navbar-nav>li>a,
            a.list-group-item {
                color: #fff;
                font-family: PingFangSC-Regular, PingFang SC;
                font-size: 16px;
            }
            /* a标签    导航 滑过伪元素 */

            .navbar-default .navbar-nav>li>a:focus,
            .navbar-default .navbar-nav>li:hover a:after {
                opacity: 0.4;
                transform: scale(1, 1);
            }

            .navbar-default .navbar-nav>li>a:after {
                display: block;
                content: "";
                height: 4px;
                width: 100%;
                position: absolute;
                /* bottom: 15px; */
                left: 0px;
                background: #fff;
                opacity: 0;
                -webkit-transition: transform 0.2s ease-out, opacity 0.2s ease-out;
                transform-origin: 50% 0%;
                transform: scale(0.01, 1);
            }
            /* 导航栏和logo 距离 */
            /* @media screen and (min-width: 1024px) {
                .nav {

                }
            } */
            /* logo图片 */
            /* 导航栏位置 */

            .navbar-toggle {
                padding: 10px 10px;
                margin-top: 17px;
                margin-bottom: 17px;
            }
            /* 搜索框 */

            .navbar-form {
                margin-top: 18px;
                margin-bottom: 17px;
            }

            .form-group input {
                background: url('/website/imgs/index/search.png');
                background-repeat: no-repeat;
                background-size: 16px 16px;
                background-position: 10px center;
            }

            .form-control {
                padding: 0;
                padding-left: 30px;
            }
            /* 轮播图 */

            .banner {
                width: 100%;
                height: 100vh;
                /* padding-top: 72px; */
            }

            .banner .cc {
                width: 100%;
                /* height: calc( 100vh - 72px); */
                height: calc(100vh);
            }

            .banner_text {
                background: url('/website/imgs/index/banner1_text.png') no-repeat;
                width: 585px;
                height: 340px;
                background-size: 100% 100%;
                top: 35vh;
                left: 14%;
                position: absolute;
                /* background-position: left; */
            }

            @media screen and (max-width: 1024px) {
                .banner_text {
                    background-size: 80% 80%;
                }
            }

            .img1 {
                background: url('/website/imgs/index/banner1.png');
                background-size: cover;
                background-position: center;
            }

            .img2 {
                background: url('/website/imgs/index/banner2.png');
                background-size: cover;
                background-position: center;
            }

            .img3 {
                background: url('/website/imgs/index/banner3.png');
                background-size: cover;
                background-position: center;
            }

            .img4 {
                background: url('/website/imgs/index/banner4.png');
                /* background-size: 100% 100%; */
                background-size: cover;
                background-position: center;
            }

            .img5 {
                background: url('/website/imgs/index/banner5.png');
                background-size: cover;
                background-position: center;
            }
            /* 媒体查查 */

            .logo_img {
                width: 180px;
                height: 32px;
            }

            .carousel-caption1 img {
                width: 622px;
                height: 236px;
            }

            .fang_one_banner {
                display: none;
                position: absolute;
                top: 40%;
            }

            @media screen and (max-width: 768px) {
                .banner_text {
                    width: 350px;
                    height: 94px;
                    top: 40vh;
                    left: 10%;
                    background: url('/website/imgs/index/bg_f1-text.png') no-repeat;
                    /* background-size: 80% 80%; */
                }
                .img1 {
                    background: url('/website/imgs/index/bg_f1.png');
                    background-size: cover;
                    background-position: center;
                    /* width: 300px;
        height: 600px; */
                }
                .img2 {
                    background: url('/website/imgs/index/bg_f2.png');
                    background-size: 100% 100%;
                    /* width: 300px;
        height: 600px; */
                }
                .img3 {
                    background: url('/website/imgs/index/bg_f3.png');
                    background-size: 100% 100%;
                    /* width: 300px;
        height: 600px; */
                }
                .img4 {
                    background: url('/website/imgs/index/bg_f4.png');
                    background-size: cover;
                    background-position: center;
                }
                .img5 {
                    background: url('/website/imgs/index/bg_f5.png');
                    background-size: cover;
                    /* background-position: center; */
                }
                #focus .btn {
                    /* left: 88% !important; */
                    left: 90%;
                }
                /* .fang_one_banner {
                    display: block;
                } */
            }

            @media screen and (max-width: 540px) {
                .banner_text {
                    left: 4%;
                }
            }

            @media screen and (max-width: 375px) {
                .banner_text {
                    left: 4%;
                    background-size: 90% 90%;
                }
                /* .fang_one_banner {
                    width: 90%;
                } */
            }
            /* mouse */
            /* #focus .btnBg {
    position: absolute;
    width: 100%;
    height: 20px;
    left: 0;
    bottom: 0;
    background: #000;
} */

            #focus .preNext {
                position: fixed;
            }

            #focus .btn {
                position: fixed;
                /* width: 100%;
    height: 10px;
    padding: 5px 10px;
    right: 0;
    bottom: 5px;
    text-align: right;
    */
                display: flex;
                flex-direction: column;
                top: 50%;
                transform: translateY(-50%);
                width: auto;
                /* left: 99%; */
                display: flex;
                flex-direction: column;
                align-items: center;
                margin-left: 0;
                /* left: 94%;
     */
                right: 4%;
                padding: 0;
            }

            #focus .btn span {
                margin: 10px 0;
                width: 12px;
                height: 12px;
                display: inline-block;
                _display: inline;
                _zoom: 1;
                border-radius: 50%;
                /* width: 25px;
    height: 10px; */
                /* margin-left: 5px; */
                cursor: pointer;
                background: #fff;
            }

            #focus .btn span.on {
                background: #fff;
            }
            /* 轮播图的面包屑 */
            /* bootstrap */
            /* .carousel-indicators {
    left: 99%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-left: 0;
    left: 94%;
    top: 50%;
    transform: translateY(-25%);
    width: auto;
    bottom: 0;
} */
            /* .carousel-indicators li {
    margin: 10px 0;
    width: 12px;
    height: 12px;
}

.carousel-indicators .active {
    background-color: #f0f;
    margin: 10px 0;
} */

            .banner li {
                position: relative;
            }
            /* 介绍 2 */

            .header1 {
                height: 74px;
                box-shadow: 0px 6px 12px 0px rgba(33, 40, 76, 0.12);
            }

            .header1 .active {
                border-bottom: 4px solid #006BE7;
            }

            .header1 .navbar-default {
                background-color: #fff;
                box-shadow: 0px 6px 12px 0px rgba(33, 40, 76, 0.12);
            }

            .header1 .navbar-default .navbar-nav>li:hover a:after {
                background: #006BE7;
                opacity: 0.4;
                transform: scale(1, 1);
            }

            .header1 .navbar-default .navbar-nav>li>a,
            a.list-group-item {
                color: #21284C;
            }

            .header1 .open_fang .bar_fang:before {
                background-color: #888;
            }

            .header1 .open_fang .bar_fang:after {
                background-color: #888;
            }

            .fang_banner2_list {
                margin-top: 10px;
                font-size: 18px;
                color: #21284C;
                font-weight: 500;
                display: flex;
                flex-wrap: wrap;
                width: 480px;
                /* justify-content: space-between; */
                margin-bottom: 20px;
            }

            @media screen and (max-width: 374px) {
                .fang_banner2_list {
                    font-size: 14px;
                }
            }

            .fang_banner2_list .fang_banner2_list_img {
                width: 22px;
                height: 22px;
            }

            .fang_banner2_list ul {
                display: flex;
                align-items: center;
                margin-right: 10%;
            }

            .fang_banner2_list ul li {
                padding-left: 12px;
            }

            .fang_index_two_text {
                font-family: PingFangSC-Semibold, PingFang SC;
                font-size: 40px;
                font-weight: 500;
                color: #21284C;
                margin-bottom: 30px;
            }

            .fang_index_two_text1 {
                text-indent: 2em;
                /* font-family: PingFangSC-Regular, PingFang SC; */
                font-size: 16px;
                font-weight: 400;
                color: #21284C;
                /* width: 480px; */
                text-align: justify;
                /* margin-bottom: 50px; */
            }

            @media screen and (max-width: 374px) {
                .fang_index_two_text1 {
                    font-size: 14px;
                }
                .fang_index_two_text {
                    margin-bottom: 10px;
                }
            }

            @media screen and (max-width: 768px) {
                .fang_navber li {
                    display: flex;
                    justify-content: center;
                }
            }

            @media screen and (max-width: 768px) {
                .fang_index_two_text1 {
                    width: auto;
                    /* line-height: 32px; */
                }
                .fang_banner2_list {
                    width: auto;
                }
            }

            .carousel-caption2 {
                color: #21284c;
                display: flex;
                flex-direction: column;
                /* align-items: flex-start; */
                left: 14%;
            }

            .carousel-caption2 ul {
                font-size: 16px;
                list-style-type: decimal;
            }

            .carousel-caption .text_fang_recommend {
                text-align: left;
                color: #21284C;
                margin-bottom: 20px;
            }

            .carousel-caption img {
                width: 60px;
                height: 60px;
            }

            .carousel-caption .p1 {
                margin-top: 40px;
                font-size: 24px;
            }
            /* 媒体查查 */

            @media screen and (max-width: 768px) {
                .carousel-caption img {
                    width: 32px;
                    height: 32px;
                }
                .carousel-caption .p1 {
                    margin-top: 20px;
                    font-size: 14px;
                }
                .carousel-caption2 {
                    text-align: justify;
                    left: 12%;
                    right: 12%;
                    padding-top: 40px;
                }
                /* .carousel-caption2 ul li {
                    line-height: 24px;
                } */
            }
            /* 介绍3 */

            .carousel-caption {
                bottom: 50%;
                transform: translateY(50%);
            }

            @media screen and (max-width: 768px) {
                .carousel-caption3 {
                    display: flex;
                    flex-direction: column;
                    padding-bottom: 0px;
                    /* justify-content: space-between; */
                    /* align-items: center; */
                    /* bottom: 40%;
                    transform: translateY(50%); */
                }
            }

            .carousel-caption .fang_sent3 {
                text-align: justify;
            }

            @media screen and (min-width: 768px) {
                .carousel-caption {
                    text-align: justify;
                    left: 12%;
                    font-size: 16px;
                    /* font-family: PingFangSC-Regular, PingFang SC; */
                    color: #21284C;
                    width: 40%;
                }
                .carousel-caption3 {
                    text-align: justify;
                    left: 50%;
                    font-size: 16px;
                    /* font-family: PingFangSC-Regular, PingFang SC; */
                    color: #21284C;
                    width: 40%;
                }
                .carousel-caption5 {
                    text-align: justify;
                    left: 12%;
                    font-size: 16px;
                    font-family: PingFangSC-Regular, PingFang SC;
                    color: #21284C;
                    width: 40%;
                }
            }
            /* 介绍4 */

            .fang_sent4 {
                display: none;
            }

            .fang_sent4 .fang_sent4_p {
                margin-top: 10px;
                font-family: PingFangSC-Regular, PingFang SC;
                font-size: 20px;
            }

            @media screen and (max-width: 768px) {
                .fang_sent4 {
                    left: 20px;
                    right: 20px;
                    display: flex;
                    /* width: 100%; */
                    padding: 0 20px;
                    flex-wrap: wrap;
                    justify-content: space-between;
                }
                .fang_sent4 .blue {
                    color: #3db0e9;
                    font-weight: 600;
                    font-size: 30px;
                }
                .fang_sent4_left div {
                    text-align: center;
                    display: flex;
                    flex-direction: column;
                    align-items: center;
                }
                .fang_sent4_left img {
                    display: block;
                    width: 124px;
                    height: 44px;
                }
                .fang_sent4_left .sent4_first {
                    width: 96px;
                    height: 44px;
                }
            }
            /* 介绍5 */

            .fang_sent5 {
                display: flex;
                flex-direction: column;
            }

            .fang_five_sum {
                display: flex;
                flex-wrap: wrap;
                flex-direction: column;
            }

            @media screen and (min-width: 1024px) {
                .fang_five {
                    width: 50%;
                }
            }
            /* .hover-wechat:hover .erweima {
                display: block;
            }

            .hover-wechat:hover .erweima1 {
                display: none;
            }
             */

            .fang_five_img {
                width: 80px !important;
                height: 80px !important;
                margin-right: 0px !important;
            }
            /* .erweima {
                display: none;
            } */

            .fang_five {
                /* width: 50%; */
                /* height: 88px; */
                border-radius: 4px;
                display: flex;
                align-items: center;
                justify-content: left;
                margin-top: 30px;
                /* padding: 14px 20px 14px 10px; */
            }

            @media screen and (max-width: 768px) {
                .fang_five {
                    width: 50%;
                }
            }

            @media screen and (min-width: 1024px) {
                .fang_five_sum {
                    justify-content: space-around;
                }
            }

            .fang_five_four {
                width: 50%;
            }

            .fang_five p a {
                color: #21284C;
            }

            .fang_five p {
                /* padding-top: 10px; */
                margin: 0;
            }

            .fang_five img {
                width: 40px;
                height: 40px;
                margin-right: 10px;
            }

            .fang_five div {
                color: #21284C;
                text-align: left;
                font-size: 20px;
                font-weight: 500;
            }

            .fang_five .list-title {
                font-size: 16px;
                font-weight: 500;
            }

            @media screen and (max-width: 768px) {
                .fang_sent5 {
                    flex-wrap: wrap;
                    justify-content: space-around;
                }
                .fang_five {
                    margin-bottom: 20px;
                }
            }
            /* product  产品中心 */
            /* .banner1 {*/
            /* padding-top: 72px; */
            /* } */

            .fang_main_type_area_product {
                background-image: url(/website/imgs/jieshao/banner1.png);
                /* width: 100%; */
                /* height: calc( 100vh - 72px); */
                /* height: 100vh; */
                background-size: cover;
                background-position: center;
            }

            @media screen and (max-width: 768px) {
                .fang_main_type_area_product {
                    background-image: url(/website/imgs/jieshao/banner_min.png);
                    background-size: 100% 100%;
                    background-repeat: no-repeat;
                }
            }

            .fang_main_type_area {
                display: flex;
                flex-direction: column;
                justify-content: center;
                align-items: center;
                padding-top: 70px;
                /*padding-bottom: 50px;*/
            }
            .fang_mail_content{
                /*padding-top: 70px;*/
                /*padding-bottom: 50px;*/
            }

            .fang_center {
                padding-top: 75px;
                display: flex;
                flex-direction: column;
                align-items: center;
                /* padding: 0 20px; */
                width: 100%;
                margin: 0 auto;
                height: auto;
            }

            .fang_xin:after {
                content: '';
                display: block;
                width: 0px;
                height: 0px;
                clear: left;
            }

            .fang_xin {
                width: 85%;
                /*min-height: calc(100vh - 76px);*/
                position: relative;
                overflow: hidden;
                padding-bottom: 50px;
            }
            /* 4个介绍 */

            .product_cen {
                margin-bottom: 10px;
                /* color: #fff;
                font-size: 50px;
                font-family: PingFangSC-Semibold, PingFang SC;
                font-weight: 500; */
            }

            .product_cen_four {
                display: flex;
                color: #fff;
                font-family: PingFangSC-Semibold, PingFang SC;
                font-size: 24px;
                font-weight: 400;
            }

            .product_cen_four li {
                padding-right: 6px;
            }

            @media screen and (max-width: 600px) {
                .product_cen_four {
                    font-size: 18px;
                }
            }

            @media screen and (max-width: 374px) {
                .product_cen_four {
                    font-size: 15px;
                }
            }

            .product_list {
                display: flex;
                flex-wrap: wrap;
                margin-top: calc( 8.5vh);
                justify-content: space-between;
                /* min-height: calc( 100vh - 72px); */
            }

            .product_list .product_list_style {
                width: 17%;
                /*margin-right: 21px;*/
                margin-bottom: 26px;
                text-decoration: none;
                display: block;
            }

            @media screen and (max-width: 768px) {
                .product_list {
                    display: flex;
                    flex-direction: column;
                    flex-wrap: wrap;
                }
                .product_list .product_list_style {
                    width: 100%;
                    margin-right: 0px;
                    margin-bottom: 40px;
                    text-decoration: none;
                }
            }

            @media screen and (min-width: 954px) {
                .product_list .product_list_style:nth-child(4) {
                    margin-right: 0px;
                }
                .product_list .product_list_style:nth-child(8) {
                    margin-right: 0px;
                }
            }

            .product_list_lie1 {
                display: flex;
                flex-direction: column;
                height: 100%;
            }

            .product_list_lie1 img {
                object-fit: cover;
                object-position: top;
                border-top-left-radius: 10px;
                border-top-right-radius: 10px;
            }

            @media screen and (max-width: 768px) {
                .product_list_lie1 img {
                    height: 280px;
                }
            }

            @media screen and (max-width: 600px) {
                .product_list_lie1 img {
                    height: 240px;
                }
            }

            @media screen and (max-width: 500px) {
                .product_list_lie1 img {
                    height: 180px;
                }
            }

            .product_list_lie2 {
                /* width: 90%; */
                padding: 10px 0;
                font-size: 18px;
                font-family: PingFangSC-Medium, PingFang SC;
                color: #21284C;
                background: #fff;
                text-align: center;
            }

            .fang_center_swiper {
                background: #F2F3F9;
                margin-top: 74px;
                height: 100%;
                width: 100%;
                border-top-left-radius: 32px;
                border-top-right-radius: 32px;
                padding-top: 60px;
                 padding-bottom: 60px;
            }

            .fang_product_mail_left {
                color: #21284C;
                font-size: 18px;
                position: absolute;
                left: 100px;
                padding-left: 40px;
                background: url('/website/imgs/jieshao/ic_arrow_down.png') no-repeat 20px;
            }

            .fang_product_mail_center ul {
                list-style-type: decimal;
                padding-left: 20px;
            }

            .fang_product_mail_center_txt {
                font-size: 28px;
                font-family: PingFangSC-Medium, PingFang SC;
                color: #21284C;
                letter-spacing: 1px;
                font-weight: 540;
                padding-bottom: 24px;
                border-bottom: 1px solid #e1e1e1;
            }

            .fang_product_mail_float_right {
                font-family: PingFangSC-Regular, PingFang SC;
                font-weight: 400;
                color: #21284C;
                font-size: 16px;
                position: absolute;
                right: 0;
                top: 50%;
                padding: 15px 15px 15px 35px;
                /* background: #FFFFFF; */
                box-shadow: 0px 6px 12px 0px rgba(33, 40, 76, 0.06);
                border-radius: 18px 0px 0px 18px;
                background: #FFFFFF url('/website/imgs/jieshao/ic_arrow_right.png') no-repeat 10px center;
            }

            .fang_product_mail_float_left {
                font-family: PingFangSC-Regular, PingFang SC;
                font-weight: 400;
                color: #21284C;
                font-size: 16px;
                position: absolute;
                top: 50%;
                left: 0;
                padding: 15px 15px 15px 35px;
                /* background: #FFFFFF; */
                box-shadow: 0px 6px 12px 0px rgba(33, 40, 76, 0.06);
                border-radius: 0px 18px 18px 0px;
                background: #FFFFFF url('/website/imgs/jieshao/ic_arrow_left.png') no-repeat 10px center;
            }

            .fang_product_mail_center_text {
                /* font-family: PingFangSC-Semibold, PingFang SC; */
                font-size: 24px;
                color: #21284C;
                font-weight: 400;
            }

            .fang_product_mail_center_text_two {
                font-size: 16px;
            }

            .fang_product_mail_center_text_style {
                font-size: 20px;
                font-weight: 550;
            }

            .fang_product_mail_center_text_dlp {
                font-size: 14px;
                text-indent: 2em;
                /* font-family: PingFangSC-Medium, PingFang SC; */
                font-weight: 500;
            }

            .fang_product_mail_center table {
                margin-top: 30px;
                border-color: #21284C;
            }

            .fang_product_mail_center table th {
                text-align: center;
                padding: 4px 0;
            }

            .fang_product_mail_center table td {
                padding: 4px 6px;
            }

            .fang_center_swiper {
                display: flex;
                /* align-items: center; */
                justify-content: center;
                position: relative;
            }

            .fang_product_mail_center {
                width: 50%;
                text-align: justify;
            }

            @media screen and (max-width: 768px) {
                .fang_product_mail_center {
                    width: 80%;
                    margin-top: 40px;
                }
                .fang_product_mail_left {
                    left: 20px;
                }
                .fang_product_mail_float_right,
                .fang_product_mail_float_left {
                    display: none;
                }
                .fang_center_swiper {
                    padding-top: 20px;
                }
            }

            .comment-body {
                position: relative;
                padding-top: 100px;
                margin-top: -100px;
            }

            .footer {
                display: flex;
                /* flex-direction: column; */
                justify-content: center;
                /* background-color: #333; */
                width: 100%;
                text-align: center;
                color: #fff;
                padding: 100px 0 20px 0;
                /* height: 90px; */
            }
            /* 是否定位 */
            .footer_position_fangmail{
                padding: 0px;
                bottom: 30px;
                position: absolute;
            }
            .footer_fangmail{
                padding-top: 0px;
            }
            .footer_padding_style{
                padding-bottom: 0px;
            }
            .footer_position {
                padding: 0px;
                bottom: 0px;
                position: absolute;
            }

            .internet_content_provider_a{

                display: flex;

            }
            .internet_content_provider_img{

                display: inline-block;

            }
            .footer1 {
                color: #21284C;
            }

            .footer a {
                color: #fff;
                /* width: auto; */
            }
            /* 关于我们 */

            .fang_about_us {
                background: url('/website/imgs/jieshao/company1.png') no-repeat, url('/website/imgs/jieshao/company_footer.png') no-repeat bottom;
                background-size: 80%, 45%;
                /* background-position: 0% 0% */
                background-position: 0% 0%, 0px bottom;
                overflow: hidden;
            }

            @media screen and (min-width: 768px) and (max-width: 1024px) {
                .fang_about_us {
                    background-size: 90% 15%, 45% 5%;
                }
            }

            .about_top_us {
                display: flex;
                flex-direction: column;
                /* align-items: flex-start; */
                width: 50%;
            }

            @media screen and (max-width: 768px) {
                .about_top_us {
                    width: 100%;
                }
            }

            .about_us_top {
                display: flex;
                flex-direction: column;
                align-items: flex-end;
                margin-top: 20px;
            }

            .about_us_center {
                margin-top: 80px;
                display: flex;
                flex-direction: column;
                align-items: center;
            }

            .about_us_solid {
                background: #21284C;
                height: 1px;
                opacity: 0.5;
                margin: 100px 0;
            }

            .about_us_center .about_img {
                margin: 0px;
                background: url('/website/imgs/jieshao/about_zizhi.png');
                background-repeat: no-repeat;
                background-size: 100% 100%;
                width: 100%;
                height: 660px;
            }

            .about_us_img {
                height: auto;
                /* overflow: hidden; */
                width: 100%;
                display: flex;
                flex-wrap: wrap;
                justify-content: space-around;
            }

            .about_us_img_img {
                width: 22%;
                height: auto;
                margin-bottom: 10px;
            }

            @media screen and (max-width: 768px) {
                .about_us_img_img {
                    width: 44%;
                    /* margin-bottom: 10px; */
                }
            }

            .certification_img1 {
                background: url('/website/imgs/jieshao/zizhi1.jpg');
                background-size: 100% 100%;
                width: 20%;
                height: 400px;
            }

            @media screen and (max-width: 768px) {
                .about_us_solid {
                    display: none;
                }
                .fang_about_us {
                    padding-top: 0;
                    background-image: none;
                }
                .fang_xin_us {
                    width: 100%;
                }
                .fang_xin_us .about_us_top,
                .about_us_center {
                    padding: 0 20px;
                }
                .fang_xin_us .about_us_top {
                    margin-top: 0;
                    padding: 60px 20px 200px 20px;
                    background-image: url('/website/imgs/index/bg_f3.png');
                    background-repeat: no-repeat;
                    background-size: 100% 100%;
                }
                .fang_xin_us .about_us_footer {
                    margin-top: 60px;
                }
                .fang_xin{
                    width: 80%;
                }
            }

            @media screen and (max-width: 1022px) {
                .about_us_center .about_img {
                    background-image: url('/website/imgs/jieshao/about_zizhi_web.png');
                    background-repeat: no-repeat;
                    background-size: 100% 100%;
                    width: 100%;
                    height: 1800px;
                }
            }

            @media screen and (max-width: 414px) {
                .about_us_center .about_img {
                    background-image: url('/website/imgs/jieshao/about_zizhi_web.png');
                    background-repeat: no-repeat;
                    background-size: 100% 100%;
                    width: 100%;
                    height: 900px;
                }
            }

            .about_us_footer {
                padding: 0 20px;
                /*background-image: url('/website/imgs/jieshao/about_us_map.png');*/
                background-image: url('/website/imgs/bottom/map-bottom.png');
                background-repeat: no-repeat;
                /*background-size: 54% 100%;*/
                background-size: 60% 60%;
                background-position: right;
            }

            @media screen and (max-width: 768px) {
                .about_us_footer {
                    padding-top: 60px;
                    padding-bottom: 360px;
                    background-image: url('/website/imgs/jieshao/about_us_web-map.png');
                    /*background-image: url('/website/imgs/bottom/map-bottom.png');*/
                    background-repeat: no-repeat;
                    /*background-size: 60% 60%;*/
                    background-size: cover;
                    background-position: center;
                }
                .footer_us {
                    padding-top: 20px;
                }
                .footer_us p {
                    padding: 0 4px;
                }
            }

            .fang_five_sum_about_us {
                width: 50%;
            }

            .fang_five_adress {
                width: 100%;
            }

            .fang_five_adress span {
                padding-left: 10px;
            }

            @media screen and (max-width: 1200px) {
                .fang_five_sum_about_us {
                    width: 100%;
                }
            }

            @media screen and (max-width: 700px) {
                .fang_five_sum {
                    flex-direction: column;
                }
                .fang_five {
                    width: 100%;
                    margin-top: 10px;
                }
                .fang_five div {
                    margin-left: 20px;
                    font-weight: 400;
                }
            }
            /* 成功案例 */

            .product_list_successful {
                display: flex;
                justify-content: space-between;
            }

            .successful_list {
                display: flex;
                width: 24%;
                margin-bottom: 20px;
                flex-direction: column;
                /*background: #F2F3F9;*/
                background: white;
                border-radius: 12px;
                /*padding: 30px 20px;*/
                /*padding: 1.5em 1.55em 1em;*/
                box-shadow: 0 9px 16px 0 rgba(0,0,0,.12);
                border: 1px solid #fff;
            }
            .successful_list:hover .successful_list_top img{
                transform: scale(1.2); /* 悬浮时放大 1.1 倍 */

            }
            .successful_list:hover .successful_list_bottom{
                background-color: #022D6E;
                color: white;

            }

            .successful_list_top {
                display: flex;
                /*justify-content: space-between;*/
                justify-content: center;
                height: 180px;
                overflow: hidden; /* 隐藏超出的部分 */
            }

            .successful_list_top_style1 {
                font-size: 18px;
                font-family: PingFangSC-Regular, PingFang SC;
                font-weight: 400;
                color: #006BE7;
            }

            .successful_list_top_style2 {
                font-size: 32px;
                font-family: PingFangSC-Regular, PingFang SC;
                font-weight: 600;
                color: #21284C;
            }

            .successful_list_top img {
                /*width: 80%;*/
                /*height: 80%;*/
                transition: transform 0.3s ease; /* 添加过渡效果 */
            }

            .successful_list_bottom {
                width: 100%;
                background-color: #f2f2f2;
                border-radius: 0 0 12px 12px;
                padding: 1.5em 1.55em 1em;
                cursor: default;
                font-size: 20px;
                color: black;
                transition: background-color 0.4s ease;
                align-self: flex-end;
                height: 100%;
                letter-spacing: 2px; /* 根据需要调整间距大小 */

            }
            /*.successful_list_bottom:hover{*/

            /*    background-color: #022D6E;*/
            /*    color: white;*/
            /*}*/

            .product_list_other {
                margin-top: 20px;
                background: url('/website/imgs/jieshao/cooper.png');
                height: 1100px;
                width: 100%;
                background-size: 100% 100%;
                background-repeat: no-repeat;
            }


            @media screen and (max-width: 768px) {
                .successful_list {
                    width: 100%;
                }
                .product_list_other {
                    background: url('/website/imgs/jieshao/cooper_mob.png');
                    background-repeat: no-repeat;
                    background-size: 100% 100%;
                    height: 1200px;
                }
                .successful_list_top img {
                    /*width: 80px;*/
                    /*height: 80px;*/
                    width: 45%;
                    /*height: 50%;*/
                }
            }

            .product_cen_other_brief {
                margin-top: 30px;
            }
            /* 动画效果 */

            .banner_animation {
                border: 1px solid #f0f;
                width: 40%;
                height: 40%;
                position: absolute;
                top: 20vh;
                right: 10vw;
                display: flex;
                flex-direction: column;
                /* justify-content: center; */
                /*  position: absolute;*/
                align-items: center;
                position: absolute;
            }

            .animation_center {
                width: 70%;
                height: 70%;
                background: #fff;
                border-radius: 6px;
                margin: 40px auto;
                position: absolute;
            }

            .fang_explain {
                font-size: 20px;
                color: #fff;
            }

            .fang_explain1 {
                position: absolute;
                left: -140px;
                animation: fang_explain1 3s infinite linear;
                -webkit-animation: fang_explain1 3s infinite linear;
                -moz-animation: fang_explain1 3s infinite linear;
                -o-animation: fang_explain1 3s infinite linear;
            }

            @-webkit-keyframes fang_explain1 {
                /* from {
                    -webkit-transform: rotate(0deg);
                }
                to {
                    -webkit-transform: rotate(359deg);
                } */
                0% {
                    transform: scale(1);
                }
                50% {
                    transform: scale(1.2);
                }
                100% {
                    transform: scale(1);
                }
            }

            @-moz-keyframes fang_explain1 {
                /* from {
                    -moz-transform: rotate(0deg);
                }
                to {
                    -moz-transform: rotate(359deg);
                } */
                0% {
                    transform: scale(1);
                }
                50% {
                    transform: scale(1.2);
                }
                100% {
                    transform: scale(1);
                }
            }

            @-o-keyframes fang_explain1 {
                /* from {
                    -o-transform: rotate(0deg);
                }
                to {
                    -o-transform: rotate(359deg);
                } */
                0% {
                    transform: translate(1);
                }
                50% {
                    transform: translate(1.2);
                }
                100% {
                    transform: translate(1);
                }
            }

            @keyframes fang_explain1 {
                0% {
                    transform: translate(100px);
                    opacity: 0;
                }
                50% {
                    transform: translate(400px);
                    opacity: 1;
                }
                100% {
                    transform: translate(600px);
                    opacity: 0;
                }
            }

            .fang_explain2 {
                position: absolute;
                right: 0;
                top: 65%;
                /* transform: translateY( -50%); */
            }

            .fang_explain3 {
                position: absolute;
                /* transform: translate( 50%); */
                bottom: 0;
            }

            .fang_explain4 {
                position: absolute;
                left: 0;
                top: 25%;
                /* transform: translate( 20%); */
            }