@media screen and (max-width:1920px) {}
@media screen and (max-width:1680px) {
    .about::before{
        content: '';
        position: absolute;
        left: 0;
        width: 30%;
        top: 0;
        height: 100%;
        display: block;
        background-color: #0093dd;
        z-index: 0;
    }
    .about::after{
        content: '';
        position: absolute;
        width: 300px;
        top: 25%;
        left: 94%;
        height: 300px;
        background-image: url(../images/dotted-pattern.png);
        display: block;
    }
    .zizhi-list-center{
        width: 80%;
        margin: 0 auto;
    }
    .zizhi-list-center ul li{
        float: left;
        height: 330px;
        width: 22%;
        display: block;
        overflow: hidden;
        box-shadow: 0 30px 50px -20px rgba(0, 0, 0, 0.5);
        border-radius: 20px;
        margin: 0 1.2% 80px 1.2%;
        transition: all 0.5s ease-in-out;
        position: relative;
        z-index: 990;
        background-color: #fff;
        border: 1px solid #e6e6e6;
    }
    .zizhi-list-title{
        position: absolute;
        bottom: 15px;
        left: 30px;
        text-align: center;
        font-size: 18px;
        padding-top: 10px;
        display: block;
        margin-right: 30px;
    }

    .info-nav ul {
        width: 85%;
        margin: 0 auto;
    }
    .info-nav ul li{
        margin: 0 15px;
    }
    .info-nav ul li a{
        padding: 10px 25px;
    }

    .info-nav2 ul {
        width: 85%;
        margin: 0 auto;
    }
    .info-nav2 ul li{
        margin: 0 15px;
    }
    .info-nav2 ul li a{
        padding: 8px 20px;
    }

    .product-list-center ul li{
        float: left;
        height: 360px;
        width: 30%;
        display: block;
        overflow: hidden;
        box-shadow: 0 30px 50px -30px rgba(0, 0, 0, 0.5);
        border-radius: 20px;
        margin: 0 1.5% 80px 1.5%;
        transition: all 0.5s ease-in-out;
        position: relative;
        z-index: 990;
        background-color: #fff;
        border: 1px solid #e6e6e6;
    }

    .related-content ul li{
        float: left;
        height: 320px;
        width: 22%;
        /* margin: 1.5%; */
        display: block;
        overflow: hidden;
        box-shadow: 0 30px 50px -20px rgba(0, 0, 0, 0.5);
        border-radius: 20px;
        margin: 0 1.5% 100px 1.5%;
        transition: all 0.5s ease-in-out;
        position: relative;
        z-index: 990;
        background-color: #fff;
    }
}
@media screen and (max-width:1440px) {
    .fullSlide .bd li .banner-back::before{
        content: '';
        height: 40%;
        width: 9%;
        position: absolute;
        top: 30%;
        right: 0;
        border-radius: 500px 0 0 500px;
        background-color: rgba(14, 98, 207, 0.8)
    }
    .fullSlide .bd li .banner-back::after{
        content: '';
        height: 120%;
        width: 60%;
        position: absolute;
        top: -5%;
        left: 0;
        border-radius: 0 100% 100% 0;
        background-color: rgba(14, 98, 207, 0.8)
    }
    .about::before{
        content: '';
        position: absolute;
        left: 0;
        width: 26%;
        top: 0;
        height: 100%;
        display: block;
        background-color: #0093dd;
        z-index: 0;
    }
    .about::after{
        content: '';
        position: absolute;
        width: 300px;
        top: 25%;
        left: 96%;
        height: 300px;
        background-image: url(../images/dotted-pattern.png);
        display: block;
    }

    .Small-dot-circle {
        position: absolute;
        border-radius: 100%;
        border: dashed 1px #262626 !important;
        top: 30%;
        left: 15%;
        height: 200px;
        width: 200px;
        z-index: 0;
        animation: rotating 50s linear infinite;
    }


    .news-right{
        width: 72%;
        float: right;
        margin-top: 75px;
        position: relative;
        margin-right: 1%;
        z-index: 1;
    }
    .picScroll-left .bd li {
        float: left;
        width: 240px;
        margin: 10px;
        height: 360px;
        background-color: #fff;
        border-radius: 10px;
        display: block;
        position: relative;
    }

    .picScroll-left .bd li a .new-under{
        width: 100%;
        height: 30px;
        line-height: 30px;
        position: absolute;
        bottom: 10px;
        font-size: 14px;
    }
    .picScroll-left .prev{
        width: 45px;
        height: 45px;
        top: 165px;
        left: -80px;
    }
    .picScroll-left .next{
        width: 45px;
        height: 45px;
        top: 165px;
        right: -50px;
    }


    .map-contact{
        position: absolute;
        top: 130px;
        left: 110px;
        width: 450px;
        height: 450px;
        border-radius: 100%;
        border:60px solid #0093dd;
        background-color: #fff;
    }

    .info-nav ul {
        width: 95%;
        margin: 0 auto;
    }

    .info-content{
        width: 80%;
        height: 620px;
        margin: 0 auto;
        padding-right: 100px;
    }
    .info-center::after{
        content: '';
        position: absolute;
        width: 300px;
        top: 25%;
        left: 95%;
        height: 300px;
        background-image: url(../images/dotted-pattern.png);
        display: block;
    }

    .about-ss{
        float: left;
        width: 24%;
        height: 150px;
        border: solid 1px #e6e6e6;
        text-align: center;
        background: #fff;
        border-radius: 20px;
        display: block;
        position: relative;
        overflow: hidden;
        padding: 5px;
        margin-right: 4%;
    }

    .product-list-center{
        width: 92%;
        margin: 0 auto;
    }
    .product-list-center ul li{
        height: 360px;
    }

    .product-list-center ul li a img{
        max-height: 80%;
    }

    .left-blue-circle{
        height: 430px;
        width: 430px;
        border-radius: 100%;
        z-index: 0;
        background: none;
        position: absolute;
        left: -10%;
        top: 23%;
        border: 80px solid #0093dd;
    }
    .right-blue-circle{
        height: 120px;
        width: 120px;
        border-radius: 100%;
        z-index: 1;
        background: none;
        position: absolute;
        right: -140px;
        left: auto;
        top: 20%;
        border: 80px solid #0093dd;
    }
    .right-dots-circle{
        height: 160px;
        width: 160px;
        top: 12%;
        z-index: 0;
        right: -120px;
        left: auto;
        border-radius: 100%;
        position: absolute;
        border: dashed 1px #262626 !important;
        z-index: 0;
        /* transform: rotate(90deg); */
        animation: rotating 15s linear infinite;
    }

    .article-list-center{
        width: 90%;
        margin: 0 auto;
    }

    .contact-content{
        width: 80%;
        margin: 0 auto;
    }

    .related-left-blue-circle{
        height: 400px;
        width: 400px;
        border-radius: 100%;
        z-index: 0;
        background: none;
        position: absolute;
        left: -15%;
        top: -20%;
        border: 80px solid #0093dd;
    }
    .related-content ul li{
        float: left;
        height: 300px;
        width: 22%;
        /* margin: 1.5%; */
        display: block;
        overflow: hidden;
        box-shadow: 0 30px 50px -20px rgba(0, 0, 0, 0.5);
        border-radius: 20px;
        margin: 0 1.5% 80px 1.5%;
        transition: all 0.5s ease-in-out;
        position: relative;
        z-index: 990;
        background-color: #fff;
    }
    .related-content{
        width: 90%;
        margin: 0 auto;
    }

    .related-product::before{
        content: '';
        background-image: url(../images/dotted-pattern.png);
        top: 25%;
        left: 82%;
        width: 40%;
        position: absolute;
        z-index: 1;
        opacity: 0.5;
        height: 40%;
        display: block;
    }
    .product-content{
        width: 78%;
        margin: 0 auto;
        border-radius: 20px;
        border: solid 1px #e6e6e6;
        overflow: hidden;
        background-color: #e6e6e6;
    }

    .shixun-list-center{
        width: 90%;
        margin: 0 auto;
    }
    .case-list-center{
        width: 90%;
        margin: 0 auto;
    }

    .zizhi-list-center{
        width: 78%;
        margin: 0 auto;
    }
    .zizhi-list-center ul li{
        float: left;
        height: 360px;
        width: 30%;
        display: block;
        overflow: hidden;
        box-shadow: 0 30px 50px -20px rgba(0, 0, 0, 0.5);
        border-radius: 20px;
        margin: 0 1.5% 80px 1.5%;
        transition: all 0.5s ease-in-out;
        position: relative;
        z-index: 990;
        background-color: #fff;
        border: 1px solid #e6e6e6;
    }

}