.bd-h4 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.layui-carousel {
    min-height: 396px;
}

    .layui-carousel img {
        width: 100%;
        height: auto;
        display: block;
        min-height: 396px;
    }

.bd-topadvert-total {
    background-color: #f5f5f5;
    text-align: center;
    color: #666666;
}