body {
  background-color: #f7f7f7;
}

/*banner图*/
.banner_about {
  margin: 0 auto; /* 将元素水平居中 */
  width: 100%; /* 充满父容器的宽度 */
  height: 600px; /* 设置元素高度为 600px */
  background-image: url("../assets/img/about/banner.jpg"); /* 设置背景图像 */
  background-repeat: no-repeat; /* 防止背景图像重复显示 */
  background-size: cover; /* 缩放背景图像以覆盖整个元素 */
  background-position: center center; /* 将背景图像水平和垂直居中 */
  padding: 190px 0 0 0;
  box-sizing: border-box;
  /*box-shadow: 0px 0px 0px 3px rgba(66, 153, 225, 0.6);*/
}

.banner_about_title {
  width: 1390px;
  margin: 0 auto;
  color: white;
  color: #000;
}

.banner_about_title > h1 {
  font-family: "YouSheBiaoTiHei-2";
  font-size: 70px;
}

.banner_about_title > p {
  font-size: 26px;
  margin-top: 20px;
  width: 736px;
  font-weight: 300;
}

/*关于我们*/
.aboutUs {
  width: 1268px;
  height: 760px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}

.aboutUs_title {
  height: 508px;
  width: 736px;
  margin-top: 120px;
}

.aboutUs_title > h1 {
  font-family: "YouSheBiaoTiHei-2";
  font-size: 50px;
}

.aboutUs_title > h2 {
  font-family: "YouSheBiaoTiHei-2";
  font-size: 22px;
  /*margin-top: -6px;*/
  color: #9e9e9e;
}

.aboutUs_title > p {
  font-size: 18px;
  margin-top: 30px;
  line-height: 28px;
  letter-spacing: 2px;
  font-weight: 500;
  color: #3d3d3d;
}

.aboutUs-peitu {
  width: 338px;
  height: 730px;
}

.aboutUs-peitu > img {
  width: 100%;
  height: 100%;
  object-fit: none;
}

/*产品优势*/
.about_advantage {
  display: flex;
  align-items: center;
  position: relative;
  max-width: 1920px;
  height: 929px;
  margin: 0 auto;
}

.advantage_background_1 {
  /*position: absolute;*/
}

.advantage_background_2 {
  max-width: 1494px;
  height: 724px;
  background-color: #333333;
  z-index: 9;
  position: absolute;
  margin-left: 420px;
  padding-top: 80px;
  padding-left: 132px;
  /*display: flex;*/
}

.center-advantage > h1 {
  font-family: "YouSheBiaoTiHei-2";
  font-size: 50px;
  color: white;
}

.center-advantage > h2 {
  font-family: "YouSheBiaoTiHei-2";
  font-size: 22px;
  /*margin-top: -6px;*/
  color: #9e9e9e;
}

.about_advantage_jieshao {
  margin-top: 60px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.advantage_jieshao_01,
.advantage_jieshao_02 {
  width: 48%;
  height: 152px;
}

.advantage_jieshao_02 {
  margin-top: 60px;
}

.advantage_jieshao_01 > p,
.advantage_jieshao_02 > p {
  font-family: "SmileySans-Oblique";
  font-size: 62px;
  color: #707070;
  border: 4px solid #707070;
  width: 80px;
  height: 80px;
  text-align: center;
  line-height: 73px;
  float: left;
  margin-right: 10px;
}

.advantage_jieshao_01 > h4,
.advantage_jieshao_02 > h4 {
  font-size: 22px;
  color: #2ca8fe;
  margin-bottom: 8px;
}

.advantage_jieshao_01 > span,
.advantage_jieshao_02 > span {
  font-size: 18px;
  color: #d6d6d6b8;
  line-height: 30px;
  letter-spacing: 1px;
  background: linear-gradient(90deg, gray 66%, transparent 0) repeat-x;
  background-size: 0.3em 2px;
  background-position: bottom left;
  padding-bottom: 2px;
}

.about_advantage > img {
    position: absolute;
    right: 0;
    bottom: -30%;
}

/*资质荣誉*/
.qualificationsAndHonors {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 100px;
  margin-bottom: 30px;
}

.qualificationsAndHonors > h1 {
  font-family: "YouSheBiaoTiHei-2";
  font-size: 50px;
}

.qualificationsAndHonors > h2 {
  font-family: "YouSheBiaoTiHei-2";
  font-size: 22px;
  /*margin-top: -6px;*/
  color: #9e9e9e;
}

.certificate {
    display: flex;
    justify-content: flex-start;
    margin-top: 80px;
    flex-wrap: wrap;
    width: 1220px;
    gap: 50px 48px;
}

.certificate img{
    border: 0 none;
    box-shadow: 1px 1px 10px 7px #ccc;
    width: 22%;
}

/*企业文化*/
.corporateCulture_background {
  max-width: 2554px;
  width: 100%;
  height: 800px;
  background-color: #333333;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.corporateCulture {
  width: 1442px;
  height: 648px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.corporateCulture > div > img {
  width: 100%;
  height: 100%;
}

.images_1 {
  width: 670px;
  height: 390px;
}

.images_2,
.images_3,
.images_4,
.images_5,
.images_6 {
  width: 325px;
  height: 180px;
}

.texts_corporateCulture {
  width: 692px;
  height: 408px;
}

.texts_corporateCulture > h1 {
  font-family: "YouSheBiaoTiHei-2";
  font-size: 50px;
  color: white;
}

.texts_corporateCulture > h2 {
  font-family: "YouSheBiaoTiHei-2";
  font-size: 22px;
  /*margin-top: -6px;*/
  color: #9e9e9e;
}

.text {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
}

.text > p {
  font-size: 18px;
  color: #d6d6d6b8;
  width: 490px;
  line-height: 30px;
  letter-spacing: 1px;
}
.contactUs {
    width: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.contactUs>img {
    width: 128px;
    height: 128px;
}

.contactUs > div {
    width: 140px;
    text-align: center;
}

.contactUs > div > span {
    display: inline-block;
    width: 140px;
    height: 40px;
    background-color: #4589FD;
    border-radius: 20px;
    color: white;
    font-size: 18px;
    text-align: center;
    line-height: 40px;
    margin-top: 26px;
}

.contactUs > div > p {
    font-family: "SmileySans-Oblique";
    font-size: 20px;
    margin-top: 20px;
    color: #2CA8FE;
}

@media screen and (max-width: 768px) {
    .banner_about {
        margin: 0 auto;
        /* 将元素水平居中 */
        width: 100%;
        /* 充满父容器的宽度 */
        height: 300px;
        /* 设置元素高度为 600px */
        /* background-image: url("../assets/img/about/banner_01.png"); */
        /* 设置背景图像 */
        background-repeat: no-repeat;
        /* 防止背景图像重复显示 */
        background-size: cover;
        /* 缩放背景图像以覆盖整个元素 */
        background-position: center center;
        /* 将背景图像水平和垂直居中 */
        padding: 120px 0 0 0;
        box-sizing: border-box;
        /*box-shadow: 0px 0px 0px 3px rgba(66, 153, 225, 0.6);*/
    }

    .banner_about_title {
        width: 100%;
        min-width: 300px;
        margin: 0 auto;
        padding: 0 0 0 30px;
    }

    .banner_about_title>h1 {
        font-family: "YouSheBiaoTiHei-2";
        font-size: 40px;
    }

    .banner_about_title>p {
        font-size: 12px;
        margin-top: 10px;
        width: 300px;
        font-weight: 300;
    }

    /*关于我们*/
    .aboutUs {
        width: 100%;
        height: initial;
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
    }

    .aboutUs_title {
        margin: 20px auto;
        width: initial;
        height: initial;
    }

    .aboutUs_title>h1 {
        font-family: "YouSheBiaoTiHei-2";
        font-size: 30px;
        margin-left: 10%;
    }

    .aboutUs_title>h2 {
        font-family: "YouSheBiaoTiHei-2";
        font-size: 22px;
        color: #9e9e9e;
        margin-left: 10%;
    }

    .aboutUs_title>p {
        font-size: 14px;
        margin: 10px 5% 0 5%;
        line-height: 28px;
        letter-spacing: 2px;
        font-weight: 500;
        color: #3D3D3D;

    }

    .aboutUs-peitu {
        display: none;
    }

    .aboutUs-peitu>img {
        width: 100%;
        height: initial;
    }

    /*产品优势*/
    .about_advantage {
        display: flex;
        align-items: flex-start;
        position: relative;
        width: 100%;
        height: initial;
        margin: 0 auto;
    }

    .advantage_background_1 {
        display: none;
    }

    .advantage_background_2 {
        width: 100%;
        height: initial;
        background-color: #333333;
        z-index: initial;
        position: initial;
        margin-left: 0;
        padding-top: 40px;
        padding-left: initial;
        /*display: flex;*/
    }

    .center-advantage>h1 {
        font-family: "YouSheBiaoTiHei-2";
        font-size: 30px;
        color: white;
        margin-left: 10%;
    }

    .center-advantage>h2 {
        font-family: "YouSheBiaoTiHei-2";
        font-size: 22px;
        /*margin-top: -6px;*/
        color: #9e9e9e;
        margin-left: 10%;
    }

    .about_advantage_jieshao {
        width: 100%;
        margin-top: 24px;
        display: flex;
        flex-wrap: nowrap;
        justify-content: space-between;
        flex-direction: column;
        align-items: center;
        margin-bottom: 40px;
    }

    .advantage_jieshao_01,
    .advantage_jieshao_02 {
        width: 80%;
        height: auto;
        margin-top: 20px;
    }

    .advantage_jieshao_02 {
        margin-top: 20px;
    }

    .advantage_jieshao_01>p,
    .advantage_jieshao_02>p {
        font-family: "SmileySans-Oblique";
        font-size: 40px;
        color: #707070;
        border: 4px solid #707070;
        width: 60px;
        height: 60px;
        text-align: center;
        line-height: 54px;
        float: left;
        margin-right: 10px;
    }

    .advantage_jieshao_01>h4,
    .advantage_jieshao_02>h4 {
        font-size: 18px;
        color: #2CA8FE;
        margin: -5px;
    }

    .advantage_jieshao_01>span,
    .advantage_jieshao_02>span {
        font-size: 14px;
        color: #d6d6d6b8;
        line-height: 30px;
        letter-spacing: 1px;
        background: linear-gradient(90deg, gray 66%, transparent 0) repeat-x;
        background-size: .3em 2px;
        background-position: bottom left;
        padding-bottom: 2px;

    }

    .about_advantage>img {
        display: none;
    }

    /*资质荣誉*/
    .qualificationsAndHonors {
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-top: 40px;
        margin-bottom: 30px;
    }

    .qualificationsAndHonors>h1 {
        font-family: "YouSheBiaoTiHei-2";
        font-size: 30px;
    }

    .qualificationsAndHonors>h2 {
        font-family: "YouSheBiaoTiHei-2";
        font-size: 22px;
        /*margin-top: -6px;*/
        color: #9e9e9e;
    }

    .certificate {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-evenly;
        margin-top: 32px;
    }

    .certificate>img {
        width: 70%;
        margin-bottom: 15px;
    }

    /*企业文化*/
    .corporateCulture_background {
        max-width: 2554px;
        width: 100%;
        height: 902px;
        background-color: #333333;
        margin: 0 auto;
        display: flex;
        justify-content: flex-start;
        align-items: center;
        flex-direction: column;
    }

    .corporateCulture {
        width: 100%;
        display: flex;
        flex-wrap: nowrap;
        justify-content: flex-start;
        flex-direction: column;
    }

    .corporateCulture>div>img {
        width: 100%;
        height: initial;
    }

    .images_1 {
        width: 100%;
        height: initial;
    }

    .images_2,
    .images_3,
    .images_4,
    .images_5,
    .images_6 {
        width: 325px;
        height: 180px;
    }

    .texts_corporateCulture {
        width: 100%;
        height: 408px;
    }

    .texts_corporateCulture>h1 {
        font-family: "YouSheBiaoTiHei-2";
        font-size: 30px;
        color: white;
        margin-top: 16px;
        margin-left: 5%;
    }

    .texts_corporateCulture>h2 {
        font-family: "YouSheBiaoTiHei-2";
        font-size: 22px;
        /*margin-top: -6px;*/
        color: #9e9e9e;
        margin-left: 5%;
    }

    .text {
        margin-top: 14px;
        display: flex;
        justify-content: space-between;
        flex-direction: column;
        align-items: center;
    }

    .text>p {
        font-size: 16px;
        color: #d6d6d6b8;
        width: 90%;
        line-height: 30px;
        letter-spacing: 1px;
    }

    .contactUs {
        max-width: 310px;
        width: 84%;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        margin-top: 30px;
    }

    .contactUs>img {
        width: 128px;
        height: 128px;
    }

    .contactUs>span {
        width: 140px;
        height: 40px;
        background-color: #4589FD;
        border-radius: 20px;
        color: white;
        font-size: 18px;
        text-align: center;
        line-height: 40px;
        margin-top: 26px;
    }

    .contactUs>p {
        font-family: "SmileySans-Oblique";
        font-size: 20px;
        margin-top: 20px;
        color: #2CA8FE;
    }

    .images_3,
    .images_4,
    .images_5,
    .images_6 {
        display: none;
    }
    
    
    .aboutUs_content{
        display: none;
    }
    
    .big-img img{
        width: 90% !important;
        left: 5%!important;
        margin-left: 0!important;
        transform: translateY(-190px)!important;
        right: 23px!important;
        top: 50% !important;
        height: auto !important;
    }
}
















.aboutUs_content {
  width: 730px;
  height: 300px;
  background: #d0d0d0;
  font-family: "smileySans-Oblique";
  transform: rotate(270deg);
  position: relative;
  top: 165px;
}

.aboutUs_content p:nth-child(1) {
  font-size: 46px;
  position: absolute;
  top: 200px;
  left: 110px;
}
.aboutUs_content p:nth-child(2) {
  font-size: 60px;
  font-family: "思源黑";
  color: #d0d0d0;
  position: absolute;
  z-index: -1;
  top: 270px;
  left: 100px;
}

.big-img {
    display: none;
    width: 100%;
    height: 4596px;
    background: #00000070;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9;
    padding-top: 70px;
    justify-content: center;
    align-items: flex-start;
}

.big-img img {
    position: fixed;
    /*top: 55%;*/
    /* width: 500px; */
    /*left: calc(50%);*/
    /*margin-left: -305px;*/
    /*transform: translateY(-307px);*/
    height: 90%;
}