.content {
    flex: auto;
    order: 2;
    height: fit-content;
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    justify-content: center;
}

.product {
    display: flex;
    flex-direction: row wrap;
    padding: 5vw 0;
    justify-content: center;
    align-items: center;
}

.banner {
    width: 49.5vw;
}

img {
    width: 49.5vw;
    height: 29.7vw;
}

.product-introduce {
    width: 40vmin;
    margin-left: 3vmin;
}

h1 {
    font-size: x-large;
}

@media all and (max-width:1280px) {}

@media all and (max-width:1080px) {}

@media all and (max-width:767px) {
    .content {
        margin-top: 60px;
        margin-bottom: 100px;
    }

    .banner {
        width: 80vmin;
    }

    .product {
        display: flex;
        flex-direction: column;
        padding: 5vw 0;
        justify-content: center;
        align-items: center;
    }

    img {
        width: 80vmin;
        height: 45vmin;
    }

    .product-introduce {
        width: 80vmin;
        margin-left: 0;
    }
}

@media all and (max-width:640px) {}