.product_parameters { padding-top: 34px;}
        .product_parameters .title { text-align: center; font-size: 40px; color: #001331; font-family: '微软雅黑'; font-weight: bold; margin-bottom: 33px;}
        .product_parameters tr td { font-family: '微软雅黑'; font-size: 15px; text-align: center; line-height: 1.38; color: #333333; padding: 10px 30px !important;;}
        .product_parameters tr td:first-child { text-align: left;}
        .product_parameters tr:nth-of-type(2n+1) { background-color: #f2f2f2;}

        @media screen and (max-width:1000px) {
            .product_parameters { padding-top: 50px;}
            .product_parameters tr td { font-size: 13px; padding: 5px 14px;}
            .product_parameters .table {overflow: hidden; overflow-x: scroll; }
            .product_parameters .title { font-size: 24px; margin-bottom: 15px;}
        }