@media screen and (max-width: 1200px) {
    .team_left {
        display: flex;
    }
}
@media screen and (max-width: 990px) {
    .sv_header span {
        left: 9%;
        top: 24%;
    }
    .sv_header span h1 {
        font-size: 45px;
    }
    .sv_header span h4 {
        font-size: 25px;
        margin-top: 21px;
    }
    .jianshe_text.container a span {
        display: block;
        margin-top: 15px;
        margin-left: 0px;
    }
    .alluse_list.container>div span {
        font-size: 15px;
    }
}
@media screen and (max-width: 770px) {
    .sv_header span h1 {
        font-size: 21px;
    }
    .sv_header span h4 {
        font-size: 14px;
        margin-top: 15px;
    }
    .alluse_list.container>div img {
        width: 37px;
    }
    .ceng {
        display: block;
    }
    .ceng div {
        display: block;
    }
    .ceng .c_img {
        width: 100%;
    }
    .ceng .c_text {
        width: 100%;
        margin: auto 0;
    }
}
@media screen and (max-width: 500px) {
    .jianshe_img img {
        z-index: -1;
        width: 194px;
        height: 255px;
        position: absolute;
    }
    .jianshe_text.container {
        width: 60%;
        float: right;
    }
    .jianshe_text.container h1 {
        font-size: 34px;
    }
    .jianshe_text {
        width: 48%;
        margin-left: 163px;
    }
    .service_left {
        width: 100%;
    }
    .tab-content {

        text-align: center;
         padding-top: 0px;
    }
    .service_right {
        width: 100%;
    }
    .team_left>div {
        width: 33%;
        text-align: center;
        margin: 16px 0;
    }
    .team_right_text p {
        font-weight: 600;
        top: 15%;
        left: 26%;
        width: 49%;
        text-align: center;
        font-size: 13px;
    }
    .team_right_text span {
        top: 62%;
        left: 49%;
    }
    .alluse_list.container>div {
        text-align: center;
    }
    .alluse_list.container>div span {
        display: block;
        font-size: 15px;
    }
}