/* PC端隐藏抽屉和遮罩层 */
@media screen and (min-width: 641px) {
    .cate_drawer,
    .cate_drawer_overlay {
        display: none !important;
    }
}

@media screen and (max-width: 640px){
    .navbar{ background: #fff; height: 70px; min-height: 70px; border-bottom: 1px solid #ddd; }
    .head_flex, .contact_info { display: block; }
    .navbar-header{ height: 70px; padding: 10px 0; }
    .navbar-toggle{ margin-right:0; }
    .navbar-brand .comm_img{ display:none; }
    .navbar-brand .comm_img2{ display:block; }
    .index_pro_cate, .index_pro_list, .index_news { margin-top: 20px; }
    .index_title_title_en .e_text-3 {  font-size: 26px; }
    .index_title_title .e_text-3 { font-size: 26px; }
    .pro_cate, .pro_list, .index_application { margin-top: 30px; }
    .pro_list .pro_li_a { position: relative; width: 50%; }
    .pro_list .pro_li_a .pro_li_content { padding-left: 10px; padding-right: 10px; margin-left: auto;  margin-bottom: 10px;  margin-top: 10px; }
    .pro_list .pro_li_a .pro_li_content .e_line { margin-top: 0; margin-bottom: 5px; }
    .app_floor .app_li{ width: 100%; flex: none; padding: 0; margin-bottom: 10px; }
    .app_floor .app_li.app_li_2 { padding-left: 0px; padding-bottom: 0px; margin-bottom: 10px;  padding-right: 0; }
    .app_floor2 .app_li {flex: none; width: 100%; padding: 0; margin-bottom: 10px; }
    .app_floor2 .app_li.app_li_2 { padding: 0; margin-bottom: 10px; }
    .app_floor2 .app_li.app_li_3 { padding: 0; margin-bottom: 10px;  }
    .index_app_main{ margin-top: 20px; margin-bottom:20px; }
    .index_about{ background-repeat: no-repeat; padding:20px 0; }
    .index_about_main{ margin-top:20px; } 
    .about_desc_main{ flex-wrap: wrap; }
    .about_desc_main .about_desc {  width:100%; }
    .about_desc_main .about_desc .about_d_tit2 { font-size: 20px; }
    .about_desc_main .about_img {  width: 100%; margin-top:10px;  }
    .about_desc_ul{  flex-wrap: wrap; }
    .desc_ul_li { width: 50%; padding:10px 0; }
    .desc_ul_li .desc_ul_li_img {width: 30px;height: 30px; display: flex; align-items: center; justify-content: center; }
    .desc_ul_li .desc_ul_li_text .desc_ul_li_text_nums { font-size: 22px; line-height:30px; height:30px; }
    .news_main{ flex-wrap: wrap; }
    .news_main .news_img {  width: 100%;  height: 240px;  position: relative; }
    .news_main .news_img .news_img_img{ height:240px; }
    .news_img_title .n_title {
            color: #fff;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
    .news_img_title .n_desc{ display:none; }
    .news_main .news_ul{ width:100%; margin-top:20px; }
    .news_main .news_ul .news_ul_li .news_ul_title .n_title{  }
    .news_main .news_ul .news_ul_li .news_ul_title .n_desc{ display:None; }
    .index_news { padding-bottom:20px; }
    .cbox-75-1{ display:None; }
    #c_static .e_container-75 .cbox-75-0{ display:none; }
    #c_static .e_container-75 .cbox-75-2{ flex:none; width:100%; }
    #c_static .e_formBtn-83{ margin-top:20px; }
    #c_static .e_container-69 .cbox-69-0{ width: 100%; flex: none; }
    #c_static .e_container-69{ text-align:center; }
    .e_provider-77.s_title{ text-align:center !important; font-size:14px ; }
    #content-container > h1{ font-size:0px; margin:0; padding:0 10px; background: #eee;  border-bottom: 1px solid #ddd;  }
    #content-container > h1 .pull-right{ float: none !important; height: 42px; line-height: 42px; padding: 0 10px; }
    /* 产品分类抽屉样式 */
    .cate_sidebar { display: none; }
    .cate_collapse_wrap { display: block; background: #fff; border-bottom: 1px solid #eee; }
    .cate_collapse_header { display: flex; justify-content: space-between; align-items: center; padding: 12px 15px; cursor: pointer; }
    .cate_collapse_header .cate_current { font-size: 15px; color: #333; font-weight: 500; }
    .cate_collapse_header .cate_toggle_btn { 
        display: flex; 
        align-items: center; 
        justify-content: center;
        width: 36px;
        height: 36px;
        color: #af251b; 
        background: rgba(175, 37, 27, 0.1);
        font-size: 16px; 
        padding: 0;
        border: none;
        border-radius: 50%; 
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
    }
    .cate_collapse_header .cate_toggle_btn:active {
        transform: scale(0.9);
    }
    /* 抽屉展开时的按钮样式 */
    .cate_drawer.active ~ .cate_collapse_wrap .cate_toggle_btn,
    body.drawer-open .cate_toggle_btn {
        background: #af251b;
        color: #fff;
        box-shadow: 0 2px 8px rgba(175, 37, 27, 0.4);
    }

    
    /* 产品分类抽屉面板 */
    .cate_drawer {
        position: fixed;
        top: 0;
        left: 0;
        width: 260px;
        height: 100vh;
        background: #fff;
        z-index: 10000;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: 2px 0 10px rgba(0,0,0,0.1);
        overflow-y: auto;
    }
    .cate_drawer.active { transform: translateX(0); }
    .cate_drawer_header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px;
        background: #af251b;
        color: #fff;
    }
    .cate_drawer_header .drawer_title { font-size: 16px; font-weight: 500; }
    .cate_drawer_header .drawer_close { 
        font-size: 18px; 
        cursor: pointer; 
        padding: 8px; 
        width: 34px; 
        height: 34px; 
        display: flex; 
        align-items: center; 
        justify-content: center; 
        background: rgba(255,255,255,0.2); 
        border-radius: 4px; 
        transition: all 0.3s ease;
    }
    .cate_drawer_header .drawer_close:hover { 
        background: rgba(255,255,255,0.3); 
        transform: rotate(90deg);
    }
    .cate_drawer_body { padding: 15px; }
    .cate_drawer_body .cate_list { margin: 0; padding: 0; display: block; background: none; }
    .cate_drawer_body .cate_li { width: 100%; margin: 0 0 10px; background: #f5f5f5; border-radius: 4px; }
    .cate_drawer_body .cate_li a { display: block;  line-height: 22px; padding: 10px 15px; font-size: 14px; color: #333; height: auto; white-space: normal; text-align: center; }
    .cate_drawer_body .cate_li.cur { background: #af251b; }
    .cate_drawer_body .cate_li.cur a { color: #fff; }
    
    /* 抽屉遮罩层 */
    .cate_drawer_overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0,0,0,0.5);
        z-index: 9999;
        display: none;
    }
    .cate_drawer_overlay.active { display: block; }
    .product-item .card{ min-height:auto; }
    .product-item .card .operate .pull-right{ display:none; }
    
    .metas-title { font-size: 22px; margin: 0; line-height: 28px; padding: 10px; }
    .product-desc{ height:auto !important; padding: 0 10px !important; }
    .pro_contact{ padding:10px; }
    .pro_contact .pro_c_img img{ width:22px; height:22px; }
    .pro_contact .pro_c_tit, .pro_contact .pro_c_cont {
        font-size: 16px;
        font-weight: bold;
    }
    .pro_details_title{ margin:0 10px; }
    .pro_details{ padding:10px; }
    
    .pro_det_main{ padding:20px 0 0 !important; }
    .list_nav{ padding:0; }
    .breadcrumb_div { height: 42px; line-height: 42px; padding: 0 10px;}
    .nav_cate_list{ justify-content:center;  padding-bottom: 10px; }
    .nav_cate_list .nav_cate_li { width: auto;  margin:5px; }
    .nav_cate_list .nav_cate_li a{ padding:0 10px; }
    .navbar-nav ul.dropdown-menu > li > a{ width: auto; height: 32px; line-height: 32px !important;}
    .navbar-nav ul.dropdown-menu li .icon_more{ top:5px; }
    .case_li{ padding: 0; flex-wrap: nowrap; margin-bottom: 10px; display: block; } 
    .case_img{ width: 90px;  margin-right: 5px; flex-shrink: 0; }
    .case_li .case_text{ padding: 10px; flex: none; overflow: hidden; height: 90px; }
    .case_li .case_text .case_title{ font-size: 15px; line-height: 18px; }
    .case_li .case_text .cate_time{ line-height: 22px; }
    .case_li .case_text .case_desc{ display:none; }
    .case_li .case_text .case_more{ display:none; }
    .case_li .case_img{ float: left; margin-right: 0; height:90px; }
    .case_li .case_img img{ height:90px; }
    
    .page_main{  padding: 0; }
    .contact_main{ flex-wrap:wrap; }
    .contact_content{ padding:15px; height:auto; }
    .contact_main .contact_main_left{ flex: 0 0 100%; }
    .contact_main .contact_main_right{ flex: 0 0 100%;  }
    .contact_content .ct_title{ font-size:22px; }
    .contact_content .ct_title_linen{ margin-top:5px; margin-bottom:5px; }
    .contact_content .cts_title{ font-size:18px; }
    
    .article-text{ padding:15px; }
    
    
    #content-container{ margin-top: 0 !important; }
    
    /* 手机端产品分类区域响应式 */
    .index_pro_cate .pro_cate { padding: 0; overflow: hidden; }
    .index_pro_cate .product-category-slider { margin: 0 -15px; padding: 0 30px; }
    .index_pro_cate .product-category-slider .slick-list { overflow: visible; }
    .index_pro_cate .category-item { padding: 0 10px; }
    .index_pro_cate .cate-img { height: 180px; overflow: hidden; }
    .index_pro_cate .cate-img img { width: 100%; height: 100%; object-fit: cover; }
    .index_pro_cate .cate-content h3 { font-size: 16px; }
    .index_pro_cate .cate-content p { font-size: 13px; }
    .index_pro_cate .slick-prev,
    .index_pro_cate .slick-next { width: 30px; height: 30px; z-index: 10; }
    .index_pro_cate .slick-prev { left: 0; }
    .index_pro_cate .slick-next { right: 0; }
    
    /* 关于我们页面手机端优化 */
    .about_page .stats_section { padding: 30px 0; }
    .about_page .stats_container { gap: 15px; }
    .about_page .stat_item { flex: 0 0 calc(50% - 10px); min-width: auto; margin-bottom: 20px; text-align: center; }
    .about_page .stat_number { font-size: 32px; }
    .about_page .stat_unit { font-size: 16px; }
    .about_page .stat_desc { font-size: 12px; }
    
    /* 两张图片手机端垂直排列 */
    .about_page .about_images { padding: 15px 0 30px; }
    .about_page .about_images .img-row { flex-direction: column; gap: 15px; }
    .about_page .about_images .img-row img { width: 100%; height: 200px; }
    
    /* 企业资质标题 */
    .about_page .company_title { padding-top: 20px !important; }
    .about_page .company_name_en { font-size: 18px; }
    .about_page .company_name_zh { font-size: 18px; }
    
    /* 企业资质滚动区域 */
    .about_page .bottom_images { padding: 20px 0 30px; }
    .about_page .bottom_images .app-item { width: 200px; margin-right: 15px; }
    .about_page .bottom_images .app-img img { height: 150px; }
    .about_page .bottom_images .app-title { font-size: 13px; padding: 8px 5px; }
    
    
    
    
    
    
    
    
    
}