@media screen and (max-width:768px) {
    body {
        padding-top: 50px; /* 移动端同样下移10px */
    }

    .detail-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .detail-img-box {
        height: auto;
        aspect-ratio: 4 / 3;
    }

    .detail-title {
        font-size: 20px;
    }

    .price-num {
        font-size: 22px;
    }

    .buy-btn {
        width: 100%;
    }
}