main {
    padding-top: 5rem;
    gap: 5rem;
}

.main-section {
    background: url("../img/pexels-cottonbro-6334916.jpg") no-repeat;
}

.main-section > section {
    width: 50rem;
}

.content {
    background: #FFFFFF;
    opacity: 0.9;
}

.content > p {
    height: 54.7rem;
    white-space: pre-wrap;
    overflow-y: auto;
    text-align: center;
}

/*平板*/
@media (max-width: 1020px) {
    .main-section > section:first-child {
        display: none;
    }

    .main-section > section:last-child {
        width: 100%;
    }
}