@media screen and (max-width:1300px) {
    main {margin-left: 0; padding: 80px 40px;}
    main .detail_top {padding: 0px; padding-top: 50px; margin-bottom: 110px;}
    main .detail_top .detail_big_img {width: calc((100% - 30px) / 2);}
    main .detail_top .detail_top_right {width: calc((100% - 45px) / 2);}
    main .detail_top .detail_top_right > * {margin-bottom: 40px;}
    main .detail_btm .detail_category {margin-bottom: 60px;}
    main .detail_btm .detail_contents .product_review .photo_review {margin-bottom: 60px;}
}
@media screen and (max-width:750px){
    main .detail_top {flex-flow: column nowrap; justify-content: flex-start;}
    main .detail_top .detail_big_img {width: 100%; overflow: hidden; margin-bottom: 32px;}
    main .detail_top .detail_top_right {width: 100%;}
    main .detail_top .detail_top_right > * {margin-bottom: 28px;}
}
@media screen and (max-width:650px){
    main {margin-left: 0; padding: 60px 12px;}
    main .detail_top {padding-top: 30px;}
    main .detail_btm .detail_contents .product_review .review_contents ul li .user_info {width: 100%}
    main .detail_btm .detail_contents .product_review .review_contents ul li .user_info > * {
        display: inline-block; margin-right: 10px;
    }
    main .detail_btm .detail_contents .product_review .review_contents ul li {flex-flow: column nowrap;}
    main .detail_btm .detail_contents .product_review .review_contents ul li .review_text {
        width: 100%;
    }
    main .detail_btm .detail_contents .product_review .review_contents ul li .review_text .text p:nth-child(2) {
        font-size: 0.74rem;
    }
}