.join {
    width: 100vw;
    height: 240px;
    /*margin-top: -20px;*/
    background-size: 100% 100%;
    background-image: url(../images/img_bg_ljjr.png);
}

.join .join_box {
    height: 100%;
}

.join .join_box .text_box {
    height: 100%;
    display: flex;
    font-size: 15px;
    align-items: center;
    flex-direction: column;
    justify-content: center;
}

.join .join_box .text_box .top {
    color: #fff;
    font-size: 30px;
    font-weight: 800;
}

.join .join_box .text_box .bottom {
    color: #ebebff;
    margin: 5px 0 15px;
}

.join .join_box .text_box .botton_box button {
    width: 170px;
    height: 45px;
    border: none;
    color: #4b5a79;
    border-radius: 5px;
    font-weight: bold;
    background-color: #fff;
}