@media (max-width:991px) {
    #iot-banner {
        height: 70vw;
    }
    #iot-banner .banner-content {
        padding: 10px 10px 0;
        display: flex;
        justify-content: space-between;
        flex-direction: column;
        margin-bottom: 0;
    }
    .banner-title {
        font-size: 32px;
        text-align: center;
        margin-top: 0;
    }
    .banner-desc {
        font-size: 13px;
        margin-bottom: 0
    }
    #iot-advantage {
        height: auto;
    }
    .iot-advantage .df {
        max-width: unset;
        height: auto;
    }

}