@media (max-width: 768px) {

    /* 这里就是10/16x100%=62.5% 也就是默认10px的字号 */
    html {
        font-size: 62.5%;
    }

    .major-top {
        background: #fff;
        min-width: 100%;
        position: relative;
    }

    .p-banner-activity-img {
        width: 100%;
    }


    .video-imag-sty {
        width: 100%;
        height: 100%;
    }

    .video-poster {
        height: 134px;
        width: 210px;
        position: absolute;
        top: 62px;
        right: 18px;
        cursor: pointer;
        background: url("../img/web/major/5.png")/*tpa=https://tbdingtalk.com/assets/addons/cms/img/web/major/5.png*/;
        background-size: 100% 100%;
        background-repeat: no-repeat;
    }

    .banner-animation-box-btn-container a {
        background-size: 100% 100%;
        cursor: pointer;
        width: 90px;
        height: 32px;
        border-radius: 4px;
        display: inline-block;
        position: relative;
        top: 6rem;
        left: -3rem;
    }

    .banner-animation-box {
        width: 100%;
        height: 22.5rem;
        background-image: url("../../../../../file.tbdingtalk.com/uploads/20230221/e0f237e3e700f8fce37fee7d335f10c1.png")/*tpa=https://file.tbdingtalk.com/uploads/20230221/e0f237e3e700f8fce37fee7d335f10c1.png*/;
        background-size: 170% 100%;
        margin: 0px auto 0px auto;
        position: relative;
    }

    .nav-item {
        margin: 0 10px;
    }

    .p1-content .p1-content-image2 {
        width: 100%;
        display: inline-block;
    }

    .p1-content .p1-content-image2 img {
        width: 100%;
    }

    .p1-content .p1-content-image1 {
        display: none;
    }

    .p1-content-more-top-content {
        width: 100%;
        display: flex;
        justify-content: space-between;
        margin: 2rem auto;
        flex-wrap: wrap;
    }

    .p1-img-rem {
        padding: 10px 20px;
    }

    .p2-1 {
        display: none;
    }

    .p2-content-rem {
        display: block;
        width: 100%;
        margin: 0 auto;
        background-color: #fff;
    }

    .p2-1-rem-image {
        width: 100%;
        /* height: auto; */
        display: block;
    }

    .package-img {
        margin: 2rem 0rem;
    }

    .p2-content {
        display: none;
    }


    .p1-content-more-container {
        position: relative;
        text-align: center;
        margin-top: 0px;
        background: url("../../../../../img.alicdn.com/imgextra/i2/O1CN016zzbRA1K7AjmF25xR_!!6000000001116-2-tps-3840-7526.png")/*tpa=https://img.alicdn.com/imgextra/i2/O1CN016zzbRA1K7AjmF25xR_!!6000000001116-2-tps-3840-7526.png*/ no-repeat top;
        background-size: 100% 100%;
    }

    .many-icon-expand {
        max-height: 54rem;
        overflow: hidden;
        position: relative;
    }

    .many-icon-expand-btn {
        /* width: 10rem; */
        height: 3rem;
        line-height: 3rem;
        text-align: center;
        z-index: 10;
        margin: auto;
        background-color: rgb(0, 0, 0, 10%);
        border: 0.1rem solid #0D8FFF;
        padding: 0rem 2rem;
        margin: 2rem 0;
    }

    .p1-content-more-top {
        margin-top: 0px;
        padding-bottom: 1px;
        /* height: 822px; */
        padding-top: 149px;
        background: url("../../../../../img.alicdn.com/imgextra/i4/O1CN014Fi7q21iwyJQkNIuE_!!6000000004478-2-tps-3840-1644.png")/*tpa=https://img.alicdn.com/imgextra/i4/O1CN014Fi7q21iwyJQkNIuE_!!6000000004478-2-tps-3840-1644.png*/ no-repeat top;
        background-size: 100%;
    }

    .more-image {
        width: 100%;
        position: absolute;
        top: 42rem;
    }

    .p3-content {
        display: none;
    }

    .p3-animation-box-rem {
        display: block;
        width: 100%;
        background-color: #F6F6F6;
        height: 32rem;
    }

    .p3-animation-box-rem img {
        width: 100%;
        height: 30rem;
    }

    .bottom-contact {
        width: 100%;
        background: #fff;
        text-align: center;
        padding: 47px 0;
        position: relative;
        margin: 0 auto;
        height: 26rem;
    }

    /* .bottom-contact-rem-image {
        display: block;
        width: 100%;
        height: 10rem;
        border-radius: 10%;
        height: 12rem;
        border-radius: 6rem;
        margin-bottom: 5rem;
    } */

    /* .bottom-contact .bottom-contact-rem-image {
        width: 100%;
    } */

    .bottom-contact-image {
        display: none;
    }

    .bottom-contact .bottom-contact-image-400 {
        display: block;
    }

    .zhuanyeban-btn {
        width: 150px;
        height: 48px;
        color: #336AD1;
        border: 1px solid #336AD1;
        text-align: center;
        line-height: 48px;
        font-size: 18px;
        position: absolute;
        background-color: rgba(0, 0, 0, 0.0);
        top: 17rem;
        left: 50%;
        transform: translate(-50%, 0);
        border-radius: 6px;
        margin: 2rem auto;
    }

    .video video {
        width: 100%;
        height: auto;
    }
}

@media screen and (min-device-width: 768px) and (max-device-width: 1024px) {


    /* 这里就是10/16x100%=62.5% 也就是默认10px的字号 */
    html {
        font-size: 62.5%;
    }

    .major-top {
        background: #fff;
        min-width: 100%;
        position: relative;
    }

    .p-banner-activity-img {
        width: 100%;
    }

    .banner-animation-box {
        width: 100%;
        height: 28.5rem;
        background-image: url("../../../../../file.tbdingtalk.com/uploads/20230221/e0f237e3e700f8fce37fee7d335f10c1.png")/*tpa=https://file.tbdingtalk.com/uploads/20230221/e0f237e3e700f8fce37fee7d335f10c1.png*/;
        background-size: 100% 100%;
        margin: 80px auto 0px auto;
        position: relative;
    }

    .video-imag-sty {
        width: 100%;
        height: 100%;
    }

    .video-poster {
        height: 222px;
        width: 367px;
        position: absolute;
        top: 34px;
        right: 61px;
        cursor: pointer;
        background: url("../img/web/major/5.png")/*tpa=https://tbdingtalk.com/assets/addons/cms/img/web/major/5.png*/;
        background-size: 100% 100%;
        background-repeat: no-repeat;
    }

    .banner-animation-box-btn-container a {
        background-size: 100% 100%;
        cursor: pointer;
        width: 140px;
        height: 48px;
        border-radius: 4px;
        display: inline-block;
        position: relative;
        top: 4rem;
        left: -2rem;
    }

    .p1-content .p1-content-image1 {
        width: 90%;
    }

    .p1-content-more-top-content {
        width: 100%;
        display: flex;
        justify-content: space-between;
        margin: 0 auto;
    }

    .p1-content .p1-content-image2 {
        display: none;
    }

    .p1-img-rem {
        padding: 0px 20px;
    }

    .p2-1 {
        display: block;
        width: 90%;
        height: 446px;
        margin: 0 auto 30px auto;
        background-image: url("../../../../../img.alicdn.com/imgextra/i4/O1CN01JCsHiY28HSSYHd4R5_!!6000000007907-2-tps-2364-1436.png")/*tpa=https://img.alicdn.com/imgextra/i4/O1CN01JCsHiY28HSSYHd4R5_!!6000000007907-2-tps-2364-1436.png*/;
        background-size: 100% 100%;
        box-sizing: border-box;
        padding: 32px 0 0 210px;
    }

    .mainCont img {
        width: 100%;
        margin-top: -44px;
        margin-left: 0px;
    }

    .p2-content-rem {
        display: none;
    }

    .p3-animation-box-rem {
        display: none;
    }

    /* .bottom-contact-rem-image {
        display: none;
    } */

    .bottom-contact .bottom-contact-image {
        display: none;
    }

    .p2-content {
        display: block;
    }

    .p2-content-img-two {
        width: 96%;
    }

    .p3-content {
        display: block;
        height: 40rem;
    }

    .p3-animation-box-1 {
        width: 80%;
        height: 156px;
        background-color: #fff;
        margin: 10px auto;
        position: relative;
        overflow: hidden;
        border-radius: 10px;
        position: absolute;
        top: 1rem;
        left: 50%;
        transform: translate(-50%, 0);
    }


    .p3-animation-box-2 {
        width: 80%;
        height: 156px;
        margin: 10px auto;
        position: relative;
        overflow: hidden;
        border-radius: 10px;
        background-image: url("../../../../../img.alicdn.com/imgextra/i3/O1CN01ZTEFQe1kCNCqN8Vkm_!!6000000004647-2-tps-1160-312.png")/*tpa=https://img.alicdn.com/imgextra/i3/O1CN01ZTEFQe1kCNCqN8Vkm_!!6000000004647-2-tps-1160-312.png*/;
        background-size: 100% 100%;
        position: absolute;
        top: 20rem;
        left: 50%;
        transform: translate(-50%, 0);
    }


    .bottom-contact {
        width: 100%;
        background: #fff;
        text-align: center;
        padding: 47px 0;
        position: relative;
        margin: 0 auto;
    }

    /* .bottom-contact-rem-image {
        display: none;
        width: 100%;
        height: 10rem;
        border-radius: 10%;
        height: 12rem;
        border-radius: 6rem;
        margin-bottom: 5rem;
    } */

    /* .bottom-contact .bottom-contact-rem-image {
        width: 100%;
    } */

    .bottom-contact .bottom-contact-image {
        width: 100%;
        display: block;
    }

    .bottom-contact .bottom-contact-image-400 {
        display: none;
    }

    .bottom-contact .bottom-contact-image-900 {
        display: none;
    }

    .bottom-contact {
        height: 20rem;
    }

    .zhuanyeban-btn {
        display: none;
        width: 150px;
        height: 48px;
        color: #fff;
        border: 1px solid #fff;
        text-align: center;
        line-height: 48px;
        font-size: 18px;
        position: absolute;
        background-color: rgba(0, 0, 0, 0.0);
        top: 50px;
        left: 80%;
        border-radius: 6px;
    }

}


@media screen and (min-device-width: 1024px) and (max-device-width: 1366px) {


    /* 这里就是10/16x100%=62.5% 也就是默认10px的字号 */
    html {
        font-size: 62.5%;
    }

    .major-top {
        background: #fff;
        min-width: 100%;
        position: relative;
    }

    .p-banner-activity-img {
        width: 100%;
    }

    .banner-animation-box {
        width: 100%;
        height: 35.5rem;
        background-image: url("../../../../../file.tbdingtalk.com/uploads/20230221/e0f237e3e700f8fce37fee7d335f10c1.png")/*tpa=https://file.tbdingtalk.com/uploads/20230221/e0f237e3e700f8fce37fee7d335f10c1.png*/;
        background-size: 100% 100%;
        margin: 80px auto 0px auto;
        position: relative;
    }

    .video-imag-sty {
        width: 100%;
        height: 100%;
    }

    .video-poster {
        height: 262px;
        width: 433px;
        position: absolute;
        top: 52px;
        right: 110px;
        cursor: pointer;
        background: url("../img/web/major/5.png")/*tpa=https://tbdingtalk.com/assets/addons/cms/img/web/major/5.png*/;
        background-size: 100% 100%;
        background-repeat: no-repeat;
    }

    .banner-animation-box-btn-container a {
        background-size: 100% 100%;
        cursor: pointer;
        width: 140px;
        height: 48px;
        border-radius: 4px;
        display: inline-block;
        position: relative;
        top: 4rem;
        left: -2rem;
    }

    .p1-content .p1-content-image1 {
        width: 90%;
    }

    .p1-content-more-top-content {
        width: 100%;
        display: flex;
        justify-content: space-between;
        margin: 0 auto;
    }

    .p1-content .p1-content-image2 {
        display: none;
    }

    .p1-img-rem {
        padding: 0px 20px;
    }

    .p2-1 {
        display: block;
        width: 90%;
        height: 586px;
        margin: 0 auto 30px auto;
        background-image: url("../../../../../img.alicdn.com/imgextra/i4/O1CN01JCsHiY28HSSYHd4R5_!!6000000007907-2-tps-2364-1436.png")/*tpa=https://img.alicdn.com/imgextra/i4/O1CN01JCsHiY28HSSYHd4R5_!!6000000007907-2-tps-2364-1436.png*/;
        background-size: 100% 100%;
        box-sizing: border-box;
        padding: 32px 0 0 210px;
    }

    .mainCont img {
        width: 100%;
        margin-top: -44px;
        margin-left: 0px;
    }

    .p2-content-rem {
        display: none;
    }

    .p3-animation-box-rem {
        display: none;
    }

    /* .bottom-contact-rem-image {
        display: none;
    } */

    .bottom-contact .bottom-contact-image {
        display: none;
    }

    .p2-content {
        display: block;
    }

    .p2-content-img-two {
        width: 96%;
    }

    .p3-content {
        background-color: #f6f6f6;
        display: flex;
        justify-content: center;
        display: -ms-flexbox;
        -ms-flex-pack: center;
        padding-bottom: 80px;
        position: relative;
        height: 200px;
    }

    .p3-animation-box-1 {
        width: 480px;
        height: 156px;
        background-color: #fff;
        margin: 10px;
        position: relative;
        overflow: hidden;
        border-radius: 10px;
        top:0;
        left: 0;
        transform: translate(0,0);

    }


    .p3-animation-box-2 {
        width: 480px;
        height: 156px;
        margin: 10px;
        position: relative;
        overflow: hidden;
        border-radius: 10px;
        background-image: url("../../../../../img.alicdn.com/imgextra/i3/O1CN01ZTEFQe1kCNCqN8Vkm_!!6000000004647-2-tps-1160-312.png")/*tpa=https://img.alicdn.com/imgextra/i3/O1CN01ZTEFQe1kCNCqN8Vkm_!!6000000004647-2-tps-1160-312.png*/;
        background-size: 100% 100%;
        top:0;
        left: 0;
        transform: translate(0,0);
    }


    .bottom-contact {
        width: 100%;
        background: #fff;
        text-align: center;
        padding: 47px 0;
        position: relative;
        margin: 0 auto;
    }

    /* .bottom-contact-rem-image {
        display: none;
        width: 100%;
        height: 10rem;
        border-radius: 10%;
        height: 12rem;
        border-radius: 6rem;
        margin-bottom: 5rem;
    } */

    /* .bottom-contact .bottom-contact-rem-image {
        width: 100%;
    } */

    .bottom-contact .bottom-contact-image {
        width: 90%;
        display: block;
        position: absolute;
        left: 50%;
        transform: translate(-50%, 10px);
    }

    .bottom-contact .bottom-contact-image-400 {
        display: none;
    }

    .bottom-contact .bottom-contact-image-900 {
        display: none;
    }

    .bottom-contact {
        height: 20rem;
    }

    .zhuanyeban-btn {
        display: none;
        width: 150px;
        height: 48px;
        color: #fff;
        border: 1px solid #fff;
        text-align: center;
        line-height: 48px;
        font-size: 18px;
        position: absolute;
        background-color: rgba(0, 0, 0, 0.0);
        top: 88px;
        left: 75%;
        border-radius: 6px;
    }




}