@media screen and (min-width:640px) {
    .mb_footer {
        display: none;
    }

    .pc_footer {
        width: 100%;
        /* margin-top: 5%; */
        /* border-top: 1px solid #ccc; */
        clear: both;
        background-color: #eee;

    }

    .pc_footerBox {
        padding: 2% 0;
        display: flex;
        justify-content: space-between;
    }

    .pc_footerBox_left {
        font-size: 12px;
        color: #999;
    }

    .pc_footerBox_right {
        display: flex;
        cursor: pointer;
        width: 70px;
        align-items: center;
        position: relative;
    }

    .pc_footerBox_right_bottom {
        margin-left: 10px;
    }

    .pc_footer_img {
        position: absolute;
        width: 17vw;
        /* height: 130px; */
        border-radius: 5px;
        overflow: hidden;
        right: 0;
        bottom: 154%;
        display: none;
        box-shadow: 0 5px 10px rgb(0 0 0 / 20%);
    }

    .pc_footerBox_right:hover .pc_footer_img {
        display: block;
    }
}

@media screen and (max-width:640px) {
    .pc_footer {
        display: none;
    }

    .mb_footer {
        width: 100%;
        margin-top: 5%;
        /* border-top: 1px solid #ccc; */
        clear: both;
        background-color: #eee;
        padding: 4% 0 5%;
        position: inherit;
        bottom: 0;
    }

    .mb_footerBox {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .mb_footerBox_left {
        font-size: 12px;
        color: #999;
    }

    .mb_footerBox_right {
        display: flex;
        cursor: pointer;
        width: 110px;
        align-items: center;
        position: relative;
        margin-bottom: 2%;
    }

    .mb_footerBox_right_bottom {
        margin-left: 10px;
    }

    .mb_footer_img {
        position: absolute;
        width: 130px;
        height: 130px;
        border-radius: 5px;
        overflow: hidden;
        /* left: 84%; */
        bottom: 154%;
        display: none;
    }

    .mb_footerBox_right:hover .mb_footer_img {
        display: block;
    }
}