#ctt {
    display: none
}

.page1_img {
    height: 350px;
    object-fit: cover;
    width: 100%;
}

.page1_left {
    background: #fff;
    margin: 0 auto;
    z-index: 1;
    position: relative;
    margin-top: -100px;
    width: 90%;
    text-align: center;
    padding: 100px 70px 0 70px;
}

.page1 h2 {
    font-size: 24px;
    padding-bottom: 30px;
    font-weight: 400;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    line-height: 42px;
    color: #999;
}

.page1 span {
    display: block;
    font-size: 42px;
    font-weight: 700;
    line-height: 62px;
}

.page1 p {
    font-size: 34px;
    font-weight: 600;
    padding-top: 40px;
}

.d_sign {
    font-size: 22px;
    color: #000;
    font-weight: 600;
    width: 700px;
    margin: 0 auto;
    margin-top: 50px;
    padding-top: 50px;
    border-top: 1px solid #e4e4e4;
    justify-content: center;
    ;
    display: flex;
    align-items: center;
}

.d_sign img {
    width: 120px;
    display: inline-block;
    margin-left: 30px;
}

@media screen and (max-width:799px) {
    .page1 .page_ctt {
        width: 100%
    }

    .page1_img {
        height: 200px;
    }

    .page1_left {
        margin-top: -80px;
        padding: 30px 0 0 0;
    }

    .page1 h2 {
        font-size: 15px;
        line-height: 22px;
        padding-bottom: 20px;
    }

    .page1 span {
        font-size: 20px;
        line-height: 30px;
    }

    .page1 p {
        font-size: 16px;
        font-weight: 600;
        padding-top: 20px;
    }

    .d_sign {
        font-size: 14px;
        width: 100%;
        margin-top: 30px;
        padding-top: 20px;
        justify-content: center;
    }

    .d_sign img {
        width: 80px;
        margin-left: 10px;
    }
}