#ad {
    position: relative;
}

#ad img {
    width: 100vw;
    height: 60vh;
    object-fit: cover;
}

#ad .text {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
}

#ad .text .en {
    text-transform: uppercase;
    font-weight: bold;
    font-size: 2rem;
}

#ad .text .cn {
    font-size: 1rem;
}

@media (min-width: 1024px) {

    #ad img {
        height: 100vh;
    }

    #ad .text .en {
        font-size: 5rem;
    }

    #ad .text .cn {
        font-size: 1.5rem;
    }
}