/* 基础移动端适配 - 仅调整布局，无汉堡菜单 */
@media only screen and (max-width: 768px) {
    .w, .container {
        width: 100% !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        box-sizing: border-box !important;
    }
    .product_item {
        flex-direction: column !important;
    }
    .pro-pic img {
        width: 100% !important;
        height: auto !important;
    }
    .param-table {
        overflow-x: auto !important;
    }
    .contact_container {
        flex-direction: column !important;
    }
}