#body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    background-color: #f1f1f1;
}


.about-banner-box {
    background: url("/resource/img/home/home_banner_bg2.jpg") no-repeat center;
    margin: 0;
    padding: 0;
    width: 100%;
    background-size: auto 100%;
}

.team-member-box::after{
    content:"";
    clear:both;/*清除浮动*/
    display:block;/*确保该元素是一个块级元素*/
}

@media screen and (max-width: 767px) {

    .team-title-box{
        font-size: 24px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #000000;
        line-height: 33px;
    }

    .team-member-box{
        width: 100%;
        height: auto;
        background: #F9F9F9;
        padding: 60px 34px;
    }

    .team-member-img-box{
        margin-top: 20px;
    }

    .team-member-img{
        width: 54px;
        height: 54px;
        background: #DCDCDC;
        float: left;
        margin: 5px;
        background-size: 100% 100%;
    }

    .about-banner-text-box {
        margin-left: 20px;
        text-align: center;
        width: calc(100% - 40px);
        height: auto;
    }

    .about-banner-text-title {
        font-size: 32px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #FFFFFF;
        line-height: 45px;
    }

    .about-banner-text-intro {
        margin-top: 20px;
        font-size: 18px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #FFFFFF;
        line-height: 30px;
    }

    .about-target-box,.about-history-box{
        margin: 0;
        padding: 60px 20px;
        background: #FFFFFF;
    }

    .about-title-box,.team-member-title{
        width: 100%;
        height: 24px;
        text-align: center;
        font-size: 24px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #000000;
        line-height: 33px;
    }

    .about-target-item-img,.about-culture-image{
        display: none;
    }

    .about-target-item-box{
        margin-top: 24px;
        width: 100%;
        text-align: center;
    }

    .about-target-item-title{
        width: 100%;
        font-size: 16px;
        font-family: PingFangSC-Semibold, PingFang SC;
        font-weight: 600;
        color: #000000;
        line-height: 22px;
    }

    .about-target-item-intro{
        font-size: 16px;
        font-family: PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: rgba(0,0,0,0.65);
        line-height: 22px;
        width: 100%;
        margin: 12px 0px 12px 0;
    }



    .about-culture-box{
        margin: 0;
        padding: 60px 20px;
        background: #F9F9F9;;
    }

    .about-culture-word-item-box{
        text-align: center;
        margin-top: 20px;
    }

    .about-culture-word-item-title{
        font-size: 16px;
        font-family: PingFangSC-Semibold, PingFang SC;
        font-weight: 600;
        color: #000000;
        line-height: 22px;
    }

    .about-culture-word-item-intro{
        margin-top: 12px;
        font-size: 16px;
        font-family: PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: rgba(0,0,0,0.65);
        line-height: 22px;
    }

    .about-history-line-box{
        margin-top: 20px;
    }

    .about-history-line-box {
        margin: 50px 0 0 0;
        width: 100%;
        height: auto;
    }

    .about-history-line-item-box {
        height: 100px;
        width: 100%;
        margin: 0;
    }

    .about-history-line-date {
        float: left;
        height: 30px;
        width: 59px;
        font-size: 16px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #000000;
        line-height: 100px;
    }

    .about-history-line-desc {
        float: left;
        width: calc(100% - 194px);
        font-size: 16px;
        font-family: PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: rgba(0,0,0,0.65);
        line-height: 30px;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        overflow: hidden;
        margin-top: 10px;
    }

    .about-history-line-point {
        float: left;
        height: 100px;
        width: 95px;
    }

    .about-history-line-point-split-line {
        float: left;
        width: 50%;
        height: 100px;
    }

    .about-history-line-point-split-line-bottom {
        height: 58px;
    }

    .about-history-line-point-middle {
        position: absolute;
        top: 46px;
        left: 49px;
        width: 12px;
        height: 12px;
        margin: 36px 49px;
        background-color: #1F1F1F;
        border-radius: 50%;
    }

    .about-history-line-point-left {
        border-right: 1px solid #000000;
    }

    .about-history-line-left-point {
        height: 12px;
        width: 6px;
        background-color: #000000;
        border-top-left-radius: 6px;
        border-bottom-left-radius: 6px;
        margin-top: 46px;
        margin-left: calc(100% - 5px);
    }

    .about-history-line-right-point {
        height: 12px;
        width: 6px;
        background-color: #000000;
        border-top-right-radius: 6px;
        border-bottom-right-radius: 6px;
        margin-top: 46px;
    }


    .about-address-box {
        width: 100%;
        height: 480px;
        padding: 60px 0;
        background: url("/resource/img/product/about-address.jpg") no-repeat center;
        background-size: auto 100%;
        text-align: center;
    }

    .about-address-word-box {
        margin: 157px 0 0 0;
    }

    .about-address-word-title {
        font-size: 24px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #000000;
        line-height: 33px;
        margin-bottom: 20px;
    }

    .about-address-word-detail{
        font-size: 16px;
        font-family: PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: #000000;
        line-height: 30px;
    }

}

@media screen and (min-width: 768px) {

    .team-title-box{
        font-size: 24px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #000000;
        line-height: 33px;
        text-align: center;
    }

    .team-member-box{
        width: 100%;
        height: auto;
        background: #F9F9F9;
    }

    .team-member-img-box{
        margin-top: 20px;
        width: 100%;
        height: auto;
    }

    .team-member-img{
        width: 220px;
        height: 220px;
        background: #DCDCDC;
        float: left;
        margin: 10px;
        background-size: 100% 100%;
    }

    .about-banner-text-box {
        margin-left: 20px;
        text-align: center;
        width: calc(100% - 40px);
        height: auto;
    }

    .about-banner-text-title {
        font-size: 32px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #FFFFFF;
        line-height: 45px;
    }

    .about-banner-text-intro {
        margin-top: 20px;
        font-size: 18px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #FFFFFF;
        line-height: 30px;
    }

    .about-target-box,.about-history-box{
        margin: 0;
        padding: 60px 20px;
        background: #FFFFFF;
    }

    .about-title-box,.team-member-title{
        width: 100%;
        height: 33px;
        text-align: center;
        font-size: 24px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #000000;
        line-height: 33px;
    }

    .about-target-item-img,.about-culture-image{
        display: none;
    }

    .about-target-item-box{
        margin-top: 20px;
        width: 100%;
        text-align: center;
    }

    .about-target-item-title{
        height: 22px;
        width: 100%;
        font-size: 16px;
        font-family: PingFangSC-Semibold, PingFang SC;
        font-weight: 600;
        color: #000000;
        line-height: 22px;
    }

    .about-target-item-intro{
        font-size: 16px;
        font-family: PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: rgba(0,0,0,0.65);;
        line-height: 22px;
        width: 100%;
        margin: 12px 0px 12px 0;
    }



    .about-culture-box{
        margin: 0;
        padding: 60px 20px;
        background: #F9F9F9;;
    }

    .about-culture-word-item-box{
        text-align: center;
        margin-top: 20px;
    }

    .about-culture-word-item-title{
        font-size: 16px;
        font-family: PingFangSC-Semibold, PingFang SC;
        font-weight: 600;
        color: #000000;
        line-height: 22px;
    }

    .about-culture-word-item-intro{
        margin-top: 12px;
        font-size: 16px;
        font-family: PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: rgba(0,0,0,0.65);;
        line-height: 22px;
    }

    .about-history-line-box{
        margin-top: 20px;
    }

    .about-history-line-box {
        margin: 50px 0 0 0;
        width: 100%;
        height: auto;
    }

    .about-history-line-item-box {
        height: 85px;
        width: 89%;
        margin: 0 0 0 11% ;
    }

    .about-history-line-date {
        float: left;
        height: 30px;
        width: 62px;
        font-size: 16px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #000000;
        line-height: 85px;
    }

    .about-history-line-desc {
        float: left;
        height: 30px;
        font-size: 16px;
        font-family: PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: rgba(0,0,0,0.65);
        line-height: 85px;
    }

    .about-history-line-point {
        float: left;
        height: 85px;
        width: 100px;
    }

    .about-history-line-point-split-line {
        float: left;
        width: 50%;
        height: 85px;
    }

    .about-history-line-point-split-line-bottom {
        height: 49px;
    }

    .about-history-line-point-middle {
        position: absolute;
        top: 36px;
        left: 49px;
        width: 12px;
        height: 12px;
        margin: 36px 49px;
        background-color: #1F1F1F;
        border-radius: 50%;
    }

    .about-history-line-point-left {
        border-right: 1px solid #000000;
    }

    .about-history-line-left-point {
        height: 12px;
        width: 6px;
        background-color: #000000;
        border-top-left-radius: 6px;
        border-bottom-left-radius: 6px;
        margin-top: 36px;
        margin-left: calc(100% - 6px);
    }

    .about-history-line-right-point {
        height: 12px;
        width: 6px;
        background-color: #000000;
        border-top-right-radius: 6px;
        border-bottom-right-radius: 6px;
        margin-top: 36px;
    }


    .about-address-box {
        width: 100%;
        height: 480px;
        padding: 60px 0;
        background: url("/resource/img/product/about-address.jpg") no-repeat center;
        background-size: auto 100%;
        text-align: center;
    }

    .about-address-word-box {
        margin: 157px 0 0 0;
    }

    .about-address-word-title {
        font-size: 24px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #000000;
        line-height: 33px;
        margin-bottom: 20px;
    }

    .about-address-word-detail{
        font-size: 16px;
        font-family: PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: #000000;
        line-height: 30px;
    }


}

@media screen and (min-width: 1200px) {

    .team-title-box {
        text-align: left;
        margin-left: 0;
        font-size: 32px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #000000;
        line-height: 45px;
    }

    .team-member-box{
        width: 100%;
        /*height: 1010px;*/
        background: #F9F9F9;
        padding: 100px calc(50% - 600px);
    }

    .team-member-img-box{
        margin-top: 50px;
        width: 1200px;
        height: 600px;
        margin-bottom: 100px;
    }

    .team-member-img{
        width: 280px;
        height: 280px;
        background: #DCDCDC;
        float: left;
        margin: 10px;
        background-size: 100% 100%;
    }

    .about-banner-text-box {
        margin-left: calc(50% - 600px);
        text-align: center;
        width: 1200px;
        height: 136px;
    }

    .about-banner-text-title {
        font-size: 40px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #FFFFFF;
        line-height: 56px;
    }

    .about-banner-text-intro {
        margin-top: 20px;
        font-size: 18px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #FFFFFF;
        line-height: 30px;
    }

    .about-target-box {
        width: 100%;
        height: 530px;
        background: #FFFFFF;
        padding: 100px calc(50% - 600px);
    }

    .about-title-box,.team-member-title {
        font-size: 32px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #000000;
        line-height: 45px;
        text-align: left;
    }

    .about-target-detail-box {
        margin-top: 60px;
        width: 1200px;
        height: 240px;
    }

    .about-target-item-box {
        width: 386px;
        float: left;
        height: 240px;
        text-align: center;
        margin-top: 0px;
    }

    .about-target-item-box-middle {
        margin: 0 20px;
    }

    .about-target-item-img {
        width: 90px;
        height: 90px;
        margin: 24px 148px;
        display: block;
    }

    .about-target-item-title {
        font-size: 22px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #000000;
        line-height: 30px;
    }

    .about-target-item-intro {
        /*margin-top: 16px;*/
        font-size: 18px;
        font-family: PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: rgba(0,0,0,0.65);
        line-height: 25px;
        width: calc(100% - 120px);
        margin: 16px 60px 0 60px;
    }

    .about-culture-box {
        width: 100%;
        height: 800px;
        background: #F9F9F9;
        padding: 100px calc(50% - 600px);
    }

    .about-culture-detail {
        margin-top: 20px;
    }

    .about-culture-word-box {
        float: left;
        width: 600px;
    }

    .about-culture-image {
        float: right;
        width: 600px;
        display: block;
    }

    .about-culture-image-img {
        width: 590px;
        height: 450px;
        padding: 30px 0 0;
    }

    .about-culture-word-item-box {
        margin-top: 30px;
        height: 62px;
        text-align: left;
    }

    .about-culture-word-item-title {
        font-size: 18px;
        font-family: PingFangSC-Semibold, PingFang SC;
        font-weight: 600;
        color: #000000;
        line-height: 25px;
    }

    .about-culture-word-item-intro {
        font-size: 18px;
        font-family: PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: rgba(0,0,0,0.65);
        line-height: 25px;
        margin-top: 12px;
    }

    .about-history-box {
        width: 100%;
        height: 795px;
        background: #FFFFFF;
        padding: 100px calc(50% - 600px);
    }

    .about-history-line-box {
        margin: 50px 0 0 0;
        width: 100%;
        height: 500px;
    }

    .about-history-line-item-box {
        height: 85px;
        width: 100%;
        margin: 0;
    }

    .about-history-line-date {
        float: left;
        height: 30px;
        width: 70px;
        font-size: 18px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #000000;
        line-height: 85px;
    }

    .about-history-line-desc {
        float: left;
        height: 30px;
        font-size: 18px;
        font-family: PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: rgba(0,0,0,0.65);
        line-height: 85px;
    }

    .about-history-line-point {
        float: left;
        height: 85px;
        width: 172px;
    }

    .about-history-line-point-split-line {
        float: left;
        width: 50%;
        height: 85px;
    }

    .about-history-line-point-split-line-bottom {
        height: 49px;
    }

    .about-history-line-point-middle {
        position: absolute;
        top: 36px;
        left: 49px;
        width: 12px;
        height: 12px;
        margin: 36px 49px;
        background-color: #1F1F1F;
        border-radius: 50%;
    }

    .about-history-line-point-left {
        border-right: 1px solid #000000;
    }

    .about-history-line-left-point {
        height: 12px;
        width: 6px;
        background-color: #000000;
        border-top-left-radius: 6px;
        border-bottom-left-radius: 6px;
        margin-top: calc(50% - 5px);
        margin-left: calc(100% - 6px);
    }

    .about-history-line-right-point {
        height: 12px;
        width: 6px;
        background-color: #000000;
        border-top-right-radius: 6px;
        border-bottom-right-radius: 6px;
        margin-top: calc(50% - 6px);
    }

    .about-address-box {
        width: 100%;
        height: 800px;
        padding: 100px calc(50% - 600px);
        background: url("/resource/img/product/about-address.jpg") no-repeat center;
        background-size: auto 100%;
        text-align: left;
    }

    .about-address-word-box {
        height: 273px;
        margin: 327px 0 0 0;
    }

    .about-address-word-title {
        font-size: 32px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #000000;
        line-height: 45px;
        margin-bottom: 58px;
    }

    .about-address-word-detail{
        font-size: 18px;
        font-family: PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: #000000;
        line-height: 34px;
    }
}

.flex-col::after{
    content:"";
    clear:both;/*清除浮动*/
    display:block;/*确保该元素是一个块级元素*/
}

.team-member-box{
    background-color: #FFFFFF;
}

.about-history-box{
    background-color: #F9F9F9;
}