.ad-row {
    overflow: visible !important;
}

.ad-col h2 {
    text-align: center !important;
}

@media screen and (max-width: 768px) {

    .ad-row {
        overflow: visible !important;
    }

    /* 列样式 */
    .ad-col {
        float: left;
        width: 100%;
        height: 445px;
        /*padding: 55px;*/
        box-sizing: border-box;
    }
    .ad-col img{
        padding: 55px;
    }
    .ad-col h2{
        text-align: center !important;
        width:100%;
    }
}