.mobile-cate{display:none;}
.m-sobtitle{display:none;}
.nav-sub-toggle{display:none;}
.sidebar-toggle{display:none;}
.m-more-wrap{display:none;}
.banner li:first-child{display:block !important;}
/* ======================================================================
   responsive.css —— 响应式覆盖层
   PC端(≥1200px)完全沿用 style.css，仅移动端覆盖。
   ====================================================================== */

/* ---- 全局基础 ---- */
*,*::before,*::after{box-sizing:border-box;}
body{overflow-x:hidden;}
.container{width:1200px;margin:0 auto;}
.h_tel{box-sizing:content-box;}
.h_tel p span{display:inline-block;}
img{max-width:100%;height:auto;}

/* ---- ≤1199 小屏PC ---- */
/* PC默认隐藏移动端专属元素(基础作用域,确保>=1200px也隐藏) */
.search-title{display:none;}
.brand-wall{display:none;}
.product-wall{display:none;}
.news-wall{display:none;}

@media (max-width:1199px){
  .w1200,.container{width:100%;max-width:1200px;margin:0 auto;padding:0 15px;}
  .nav_main .nav{width:100%;max-width:1200px;margin:0 auto;padding:0 15px;}
  .search{width:100%;max-width:1200px;margin:0 auto;padding:0 15px;box-sizing:border-box;}
  .search-title{display:none;}
  .brand-wall{display:none;}
  .product-wall{display:none;}
.news-wall{display:none;}
  .search_bg .search{width:100%;}
  #banner{min-width:0;}
  #banner_main,#banner,.banner,.banner ul{width:100%;}
  .banner li:first-child{display:block;}
  .banner li img{width:100%;left:0;margin-left:0;height:auto;}
  .nybanner img{width:100%;left:0;margin-left:0;position:relative;height:auto;}
  #banner .tip{width:100%;left:0;margin-left:0;}
  .submian .subright{width:100%;float:none;}
  .MainBg,#OriginalPic,.ThumbPicBorder,.ThumbPicBorder .pic{width:100%;max-width:920px;}
  .table,.table ul,.liebiao1{width:100%;}
  .submian .Newslist .item{width:100%;box-sizing:border-box;}
  .submian .Newslist .item .txt{width:100%;}
  .formData .liuyan textarea{width:100%;}
}

/* ---- ≤992 手机/平板 ---- */
@media (max-width:992px){
  .nav-toggle{display:block;position:absolute;right:12px;top:50%;transform:translateY(-50%);z-index:10000;background:none;border:none;padding:8px;}
  .nav-toggle span{display:block;width:22px;height:2px;background:#333;margin:5px 0;border-radius:1px;}
  .header .h_tel{display:none;}
  .top_main{display:none;}
  .header_main{position:fixed;top:0;left:0;right:0;height:50px;z-index:9999;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.1);border-bottom:1px solid #eee;}
  .header_main .header{padding:0 12px;height:50px;display:flex;align-items:center;}
  .header_main .header .logo,.header_main .logo{flex:1;text-align:center;display:block;margin:0;padding:0;}
  .header_main .header .logo img,.header_main .logo img{max-height:34px;width:auto;height:auto;}
  #banner_main{margin-top:50px;}
  /* 平板区间(769-992px)内页 nybanner 给吸顶导航让位（手机端 nybanner 已隐藏无需让位） */
  .nybanner{margin-top:50px;}
  .nav_main{position:fixed;top:50px;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:9998;display:none;}
  .nav_main.open{display:block;}
  .nav_main .nav,.nav_main .nav.container{display:block;position:absolute;right:-80%;top:0;left:auto;width:80%;max-width:320px;height:auto;min-height:100%;background:#fff;overflow-y:visible;transition:right .3s;box-shadow:-4px 0 12px rgba(0,0,0,.2);padding:0;margin:0;}
  .nav_main .nav.open,.nav_main .nav.container.open{right:0;z-index:10001;}
  .nav_main .nav.open li{float:none;width:100%;text-align:left;line-height:48px;border-bottom:1px solid #f0f0f0;}
  .nav_main .nav.open li>a{display:block;padding:0 20px;color:#333;font-size:15px;}
  /* 有子栏目的 li 给 +/- 按钮留位 */
  .nav_main .nav.open li:has(> .nav-sub-toggle){position:relative;}
  .nav_main .nav.open li:has(> .nav-sub-toggle) > a{padding-right:48px;}
  .nav_main .nav.open .nav-sub-toggle{
    display:flex;align-items:center;justify-content:center;
    position:absolute;right:0;top:0;width:48px;height:48px;
    font-size:22px;line-height:1;color:#333;cursor:pointer;
    -webkit-tap-highlight-color:transparent;
  }
  .nav_main .nav.open li dl{display:none;}
  .nav_main .nav.open li.sub-open dl{display:block;position:static;background:#f7f7f7;}
  .nav_main .nav.open li dl dd a{padding-left:40px;color:#666;font-size:14px;line-height:40px;}
  .submian .subleft{width:100%;float:none;margin-bottom:20px;}
  .submian .subright{width:100%;float:none;}
  .floor_2_main .box1 .left,.floor_2_main .box1 .right,.floor_2_main .box2 .left,.floor_2_main .box2 .right{width:100%;float:none;}
  .floor_2_main .box1 .right img,.floor_2_main .box2 .right img{width:100%;height:auto;}
  .index .about .img{float:none;width:100%;height:auto;margin-bottom:15px;}
  .index .about .aboutText{width:100%;float:none;}
  .index .inews1,.index .inews2{width:100%;float:none;margin-bottom:20px;}
  .footer .bNav{width:100%;height:auto;border-right:0;}
  .footer .bNav dl{width:50%;}
  .footer .contact_info{width:100%;padding-left:0;border-left:0;border-right:0;margin-top:20px;height:auto;}
  .footer .ewm{width:100%;margin-top:20px;border-left:0;padding-left:0;}
  .case_img{width:calc(50% - 15px);margin-right:15px;}
  .Piclist ul.list li.item{width:calc(50% - 21px);margin-left:0;}
  .Piclist ul.list li.item img{width:100%;}
  .toolbar{display:none;}
  .formData .item{width:100%;margin-right:0;}
  .formData .liuyan{width:100%;}
  .formData .liuyan textarea{width:100%;}
  .MainBg,#OriginalPic,.ThumbPicBorder,.ThumbPicBorder .pic,.table,.table ul,.liebiao1{width:100%;max-width:700px;overflow-x:auto;}
  .submian .Newslist .item{width:100%;box-sizing:border-box;}
  .submian .Newslist .item .txt{width:auto;float:none;}
  .submian .subright .conBox #pic img{max-width:100%;height:auto;}
}

/* ================================================================
   ≤768 手机端内容优化
   ================================================================ */
@media (max-width:768px){
  .w1200,.container{padding:0 12px;}

  /* ---- 搜索栏（参考M站：蓝底横向排列） ---- */
  .search_bg{padding:15px 12px;display:flex;background:#0f59d6;height:auto;align-items:flex-start;}
  .search{width:100% !important;max-width:100% !important;padding:0 !important;margin:0 !important;}
  .search .search-title{display:flex;align-items:center;justify-content:center;gap:12px;color:#fff;font-size:18px;font-weight:700;letter-spacing:2px;margin:0 0 16px;width:100%;}
  .search .search-title::before,.search .search-title::after{content:"";display:block;height:2px;width:34px;background:rgba(255,255,255,.85);}
  .search .y_ltb .y_row{display:flex;flex-direction:row;flex-wrap:wrap;gap:14px 10px;align-items:flex-start;justify-content:center;}
  .search .y_ltb .y_item{display:flex;flex-direction:column;align-items:stretch;gap:5px;width:auto;flex:1 1 45%;min-width:140px;}
  .search .y_ltb .y_item label{color:#fff;font-size:14px;font-weight:600;}
  .search .y_ltb .y_textc1,.search .y_ltb .y_textc{width:100%;height:40px;padding:0 10px;font-size:13px;line-height:40px;box-sizing:border-box;border:none;border-radius:3px;background-color:#fff;color:#333;}
  .search .y_ltb select.y_textc1{-webkit-appearance:none;-moz-appearance:none;appearance:none;line-height:normal;}
  .search .y_ltb .y_sub{width:100%;flex:1 1 100%;text-align:center;margin-top:4px;}
  .search .y_ltb .y_textd{width:auto;min-width:150px;padding:11px 40px;font-size:15px;background:#e60012;color:#fff;border:none;border-radius:4px;cursor:pointer;}
  /* ---- 经营品牌 logo墙(移动端) ---- */
  .brand-wall{display:block;padding:26px 12px;background:#f3f6fb;}
  .brand-wall-title{text-align:center;margin-bottom:18px;}
  .brand-wall-title h3{display:inline-flex;align-items:center;justify-content:center;gap:10px;color:#0f59d6;font-size:20px;font-weight:700;margin:0;}
  .brand-wall-title h3::before,.brand-wall-title h3::after{content:"";display:block;width:26px;height:2px;background:#9fb6da;}
  .brand-wall-title .sub{color:#666;font-size:13px;margin:6px 0 0;}
  .brand-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0;padding:0;list-style:none;}
  .brand-list li{margin:0;float:none;}
  .brand-list li a{display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid #e3e3e3;border-radius:4px;height:66px;padding:8px;box-sizing:border-box;}
  .brand-list li img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;}
  /* ---- 产品展示(移动端) ---- */
  .case_bg{display:none;}
  #product{display:none;}
  .product-wall{display:block;padding:26px 12px;background:#fff;}
  .brand-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:0 0 18px;padding:0;list-style:none;}
  .brand-tabs li{flex:1 1 28%;min-width:90px;margin:0;float:none;list-style:none;}
  .brand-tabs li a{display:block;text-align:center;padding:10px 6px;border:1px solid #d8e0ee;border-radius:4px;color:#333;font-size:13px;background:#fff;text-decoration:none;}
  .product-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0;padding:0;list-style:none;}
  .product-grid li{margin:0;float:none;list-style:none;}
  .product-grid li a{display:block;background:#fff;border:1px solid #e3e3e3;border-radius:4px;overflow:hidden;text-decoration:none;}
  .product-grid li figure{margin:0;padding:12px;}
  .product-grid li img{width:100%;height:auto;display:block;object-fit:contain;}
  .product-grid li h3{font-size:13px;color:#333;text-align:center;padding:8px 6px 14px;margin:0;font-weight:500;line-height:1.4;}

  /* ---- Banner ---- */
  #banner_main{max-height:200px;overflow:hidden;}
  .banner,#banner,.banner ul{max-height:200px;}
  .banner li img{width:100%;left:0;margin-left:0;position:relative;height:200px;object-fit:cover;}
  #banner .tip{bottom:8px;}
  #banner #btn_prev,#banner #btn_next{display:none;}

  /* ---- 首页标题 ---- */
  .index .title h3{font-size:22px;margin-bottom:8px;}
  .index .title em.line{display:none;}

  /* ---- 品牌：2列网格+蓝色背景 ---- */
  .tempWrap{width:100% !important;overflow:visible !important;position:relative !important;}
  .index .product{padding:15px 0;background:#0f59d6 !important;}
  .index .product .title h3{color:#fff;}
  .index .product .title p{color:rgba(255,255,255,.7);}
  .index .product .pro_list{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
  .index .product .pro_list li{float:none;width:auto;margin:0;}
  .index .product .pro_list li a{display:flex;align-items:center;background:#fff;border-radius:6px;padding:8px;gap:8px;}
  .index .product .pro_list li a .img{width:40px;height:40px;flex-shrink:0;border-radius:4px;overflow:hidden;}
  .index .product .pro_list li a .img img{width:100%;height:100%;object-fit:contain;}
  .index .product .pro_list li a h3{font-size:13px;color:#333;text-align:left;margin:0;}
  .index .product .hd{display:none;}

  /* ---- 产品展示：2列网格 ---- */
  .case_bg{padding:20px 0 !important;background:#f5f6fa !important;}
  .case_bg .case_list{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
  .case_img{width:auto;float:none;margin:0;border-radius:6px;overflow:hidden;}
  .case_img .img img{width:100%;height:auto;}
  .case_desc{padding:6px;text-align:center;border-radius:0 0 6px 6px;}
  .case_desc h3{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .case_desc1{background:#0f59d6;}

  /* ---- 优势板块 ---- */
  .floor_2_main{padding:2px 0 20px !important;background:#fff !important;}
  .floor_2_main .title{padding-top:10px !important;}
  .floor_2_main .title{padding:10px 0;}
  .floor_2_main .title h3{font-size:20px;}
  .floor_2_main .box1,.floor_2_main .box2{padding:0;}
  .floor_2_main .box1 .left li{padding:16px 12px;border-bottom:1px solid #f0f0f0;display:flex;gap:12px;align-items:center;}
  .floor_2_main .box1 .left li:last-child{border-bottom:none;}
  .floor_2_main .box1 .left li .fl{width:44px;height:44px;flex-shrink:0;}
  .floor_2_main .box1 .left li .fl img{width:44px;height:44px;}
  .floor_2_main .box1 .left li .fr{width:auto;float:none;}
  .floor_2_main .box1 .left li .fr h3{font-size:15px;line-height:1.3;padding:0 0 4px;}
  .floor_2_main .box1 .left li .fr .p{font-size:12px;line-height:1.5;height:auto;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
  .floor_2_main .box1 .right,.floor_2_main .box2 .right{display:none;}

  /* ---- 关于我们 ---- */
  .index .about{padding:20px 0 !important;background:#f5f6fa !important;}
  .index .about .img{float:none;width:100%;height:auto;border-radius:8px;overflow:hidden;}
  .index .about .img img{width:100%;height:auto;}
  .index .about .aboutText{width:100%;float:none;}
  .index .about .aboutText .tit{font-size:18px;}
  .index .about .aboutText .text{font-size:12px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;}

  /* ---- 应用范围 ---- */
  .index .honor{padding:20px 0 !important;background:#fff !important;}
  .index .honor .honor_list{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
  .index .honor .honor_list li{float:none;width:auto;margin:0;}
  .index .honor .honor_list li a{display:block;border-radius:6px;overflow:hidden;position:relative;}
  .index .honor .honor_list li a .img{width:100%;height:0;padding-bottom:75%;overflow:hidden;position:relative;}
  .index .honor .honor_list li a .img img{width:100%;height:100%;object-fit:cover;position:absolute;top:0;left:0;}
  .index .honor .honor_list li a h3{position:absolute;left:0;right:0;bottom:0;font-size:12px;color:#fff;padding:8px 6px;text-align:center;line-height:1.3;background:linear-gradient(to top,rgba(0,0,0,.75),rgba(0,0,0,0));z-index:2;}
  .index .honor .hd{display:none;}

  /* ---- 新闻 ---- */
  .index .inews{padding:20px 0 !important;background:#f5f6fa !important;}
  .index .inews .tit{padding:10px 0;}
  .index .inews .tit h3{font-size:20px;}
  .index .inews1,.index .inews2{width:100%;float:none;margin-bottom:12px;background:#fff;border-radius:8px;padding:12px;}
  .index .inews .item{display:flex;gap:10px;padding:8px 0;border-bottom:1px solid #f0f0f0;}
  .index .inews .item:last-child{border-bottom:none;}
  .index .inews .item img{width:80px;height:60px;object-fit:cover;border-radius:4px;flex-shrink:0;}
  .index .inews .item h3{font-size:13px;}
  .index .inews .item .txt{font-size:12px;color:#999;}
  .index .inews .newslist{display:none;}
  /* ---- 新闻资讯(移动端) ---- */
  .index .inews{display:none;}
  .news-wall{display:block;padding:24px 12px;background:#eef2f7;}
  .news-list{margin:0;padding:0;list-style:none;}
  .news-list .item{display:flex;align-items:center;gap:10px;padding:14px 4px;border-bottom:1px solid #e2e7ee;float:none;}
  .news-list .item:last-child{border-bottom:none;}
  .news-list .item .img{flex:0 0 92px;width:92px;height:72px;overflow:hidden;border-radius:3px;float:none;display:block;}
  .news-list .item .img img{width:100%;height:100%;object-fit:cover;display:block;}
  .news-list .item .txt{flex:1 1 auto;min-width:0;float:none;display:block;text-decoration:none;}
  .news-list .item .txt h3{font-size:14px;color:#333;margin:0 0 6px;font-weight:600;line-height:1.4;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}
  .news-list .item .txt p{font-size:12px;color:#999;margin:0;line-height:1.5;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
  .news-list .item .time{flex:0 0 auto;text-align:center;padding-left:8px;font-size:12px;color:#999;float:none;}
  .news-list .item .time b{display:block;font-size:22px;font-weight:700;color:#0f59d6;line-height:1.1;margin-bottom:2px;}

  /* ---- 底部固定栏（参考M站） ---- */
  .mobile-bottom-bar{display:flex;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #e5e5e5;z-index:999;height:55px;align-items:center;justify-content:space-around;box-shadow:0 -2px 8px rgba(0,0,0,.08);}
  .mobile-bottom-bar a{display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;color:#666;font-size:11px;gap:2px;flex:1;}
  .mobile-bottom-bar a i{font-size:22px;line-height:1;}
  .mobile-bottom-bar a.phone{color:#0f59d6;}
  .mobile-bottom-bar a.phone i{font-size:26px;}
  body{padding-bottom:60px;}
  .footer{display:none;}

  /* ---- 子页Banner ---- */
  .nybanner{height:auto;max-height:160px;overflow:hidden;}
  .nybanner img{width:100%;left:0;margin-left:0;position:relative;height:auto;}

  /* ---- 子页左侧栏 ---- */

  .submian .subleft .lefta .title{display:none;}
  .submian .subleft .lefta .comt{display:none;}
  .submian .subleft .lefta .comt.show{display:block;}
  .submian .leftnews{display:none;}

  /* ---- 子页内容 ---- */
  .submian .sobtitle{font-size:12px;}
  .submian .subright{width:100%;}
  .Piclist ul.list{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
  .Piclist ul.list li.item{width:auto;float:none;border-radius:6px;}
  .Piclist ul.list li.item span{font-size:12px;height:32px;line-height:32px;}
  .submian .Newslist .item{padding:12px;}
  .submian .Newslist .item a{gap:10px;}
  .submian .Newslist .item .img{width:100px;height:75px;flex:0 0 100px;}
  .submian .Newslist .item .txt{width:auto;flex:1;float:none;}
  .submian .Newslist .item .txt h3{font-size:14px;line-height:1.4;margin-bottom:4px;}
  .submian .Newslist .item .txt .mark{display:none;}
  .submian .Newslist .item .txt .desc{font-size:12px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
  /* 型号查询结果表格：移动端仅外层横向滚动，各行不再独立滚动（避免单行内部上下滚） */
  .submian .Newslist .table{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;}
  .submian .Newslist .table ul,
  .submian .Newslist .table .liebiao1{overflow:visible !important;width:930px;max-width:none;}
  .submian .subright .conBox .ArticleTitle h1{font-size:17px;}
  .submian .subright .conBox .ArticleTencont{font-size:13px;line-height:1.8;}
  .submian .subright .conBox .ArticleTencont img{max-width:100%;}
  /* ---- 型号详情页：参数表转单列纵排，图片自适应 ---- */
  .submian .subright .conBox .jn2{width:100%;}
  .submian .subright .conBox .jn2 img{float:none !important;display:block;width:100% !important;max-width:100%;height:auto;margin:0 auto 10px;}
  .submian .subright .conBox .Right_bottom{width:100%;}
  .submian .subright .conBox .Right_bottom li{float:none !important;width:100% !important;}
  .submian .subright .conBox .Right_bottom .bgblue{display:flex;align-items:stretch;margin-bottom:6px;border-radius:4px;overflow:hidden;}
  .submian .subright .conBox .Right_bottom .bgblue .Ename,
  .submian .subright .conBox .Right_bottom .bgblue .EnameList{float:none !important;width:auto !important;flex:0 0 38%;height:auto;line-height:2;padding:6px 4px;font-size:13px;text-align:center;}
  .submian .subright .conBox .Right_bottom .bgblue .EnameList{flex:1;text-align:left;background:#fff;}
  /* ---- 产品列表页移动端优化 ---- */
  .nybanner{display:none;}
  .submian .sobtitle{border-bottom:0;padding-bottom:8px;margin-bottom:0;}
  .submian .subleft .lefta .title{display:block;}
  .submian .subleft .lefta .title h2{font-size:15px;padding:12px 15px;margin:0;background:#f5f5f5;color:#333;font-weight:500;}

  .submian .subleft .lefta .comt{display:block !important;}
  .submian .subleft .lefta .comt ul{list-style:none;margin:0;padding:0;}
  .submian .subleft .lefta .comt ul li{border-bottom:1px solid #f0f0f0;}
  .submian .subleft .lefta .comt ul li a{display:block;padding:12px 15px;font-size:14px;color:#333;text-decoration:none;line-height:1.4;height:auto;background:none;border:0;}
  .submian .subleft .lefta .comt ul li.hover a{color:#0f59d6;}

  /* ---- 表单 ---- */
  .formData .item{height:44px;line-height:44px;}
  .formData .sub{width:100%;border-radius:6px;}

  /* ---- 分页 ---- */
  .pglist{display:flex;justify-content:center;flex-wrap:wrap;gap:4px;}

  /* ---- 底部 ---- */
  .footer .bNav dl{width:50%;}

  .mouse_img{display:none;}
  /* 查看更多按钮(居中加长, PC隐藏) */
  .m-more-wrap{display:block;text-align:center;margin:12px 12px 2px;}
  .m-more{display:inline-block;min-width:160px;padding:10px 34px;border:1px solid #0f59d6;border-radius:24px;color:#0f59d6;font-size:14px;line-height:1;text-decoration:none;background:transparent;}
  /* 关于我们 了解更多: 加长居中 */
  .index .about .aboutText .more{display:block!important;width:-webkit-fit-content;width:fit-content;max-width:none;min-width:160px;margin:12px auto 0!important;padding:10px 34px!important;text-align:center;border:1px solid #0f59d6;border-radius:24px;color:#0f59d6!important;font-size:14px;line-height:1;background:transparent!important;float:none!important;box-sizing:border-box;}
  /* 新闻: 标题与列表间横线 */
  .news-wall .news-list{border-top:2px solid #0f59d6;padding-top:4px;}
  .news-wall .m-more-wrap{margin-top:6px;}
  /* 新闻: 右侧日期左侧竖线 */
  .news-list .item .time{border-left:1px solid #d9e0ec;padding-left:12px;margin-left:6px;}

  /* honor跑马灯溢出修复 */
  .index .honor .honor_list{width:100%!important;}
  .index .honor .tempWrap{width:100%!important;}
  /* 栏目标题: 浅色背景带+波浪线, 与内容区分 */
  .index .title{text-align:center;background:linear-gradient(180deg,#e9f1fc 0%,#ffffff 100%)!important;padding:22px 12px 14px!important;margin-bottom:6px;}
  .index .title h3,.index .title h3 span{color:#0f59d6!important;}
  .index .title h3{display:inline-block;position:relative;padding:0 50px;font-weight:700;}
  .index .title h3::before,.index .title h3::after{content:'';position:absolute;top:50%;width:38px;height:13px;background:url(/template/default/m/images/line.png) center/contain no-repeat;transform:translateY(-50%);}
  .index .title h3::before{left:0;}
  .index .title h3::after{right:0;transform:translateY(-50%) scaleX(-1);}
  .index .title p{color:#9aa3b2;font-size:12px;margin-top:4px;}

}

/* ---- ≤480 小屏 ---- */
@media (max-width:480px){
  .index .product .pro_list li a{padding:6px;}
  .index .product .pro_list li a .img{width:32px;height:32px;}
  .index .product .pro_list li a h3{font-size:12px;}
  .footer .bNav dl{width:100%;}
}

/* 移动端返回顶部按钮外观(display由JS控制) */
.m-gotop{position:fixed;right:14px;bottom:70px;width:44px;height:44px;border-radius:50%;background:rgba(15,89,214,.9);color:#fff;font-size:22px;line-height:1;align-items:center;justify-content:center;z-index:9999;box-shadow:0 2px 10px rgba(0,0,0,.3);text-decoration:none;display:none;}


/* ---- Banner \u5168\u5bbd\u81ea\u9002\u5e94 (>=769px)\uff1a\u9ad8\u5ea6=\u56fe\u7247\u9ad8\u5ea6\uff0c\u4e0d\u518d\u56fa\u5b9a600px\u51fa\u73b0\u767d\u6761 ---- */


@media (min-width:769px){
  #banner_main,#banner,.banner,.banner ul{width:100%;max-height:none;}
  #banner_main .banner{height:auto;}
  .banner li:first-child{display:block !important;position:relative !important;}
  .banner li:first-child img{width:100% !important;height:auto !important;left:0 !important;margin-left:0 !important;position:relative !important;}
}

/* ---- 移动端产品中心分类列表（独立块，确保只在移动端生效） ---- */
@media (max-width:768px){
  .mobile-cate{display:block;margin-top:50px;}
  .mobile-cate-header{
    display:flex;
    align-items:center;
    justify-content:center;
    padding:12px 15px;
    background:#f5f5f5;
    border-bottom:1px solid #e0e0e0;
    position:relative;
    cursor:pointer;
  }
  .mobile-cate-back{
    position:absolute;
    left:15px;
    font-size:18px;
    color:#333;
  }
  .mobile-cate-title{
    font-size:16px;
    font-weight:500;
    color:#333;
  }
  .mobile-cate-arrow{
    position:absolute;
    right:15px;
    font-size:14px;
    color:#666;
    transition:transform 0.3s;
  }
  .mobile-cate-header.active .mobile-cate-arrow{
    transform:rotate(180deg);
  }
  .mobile-cate-body{
    display:block;
    padding:10px;
    background:#fff;
  }
  .mobile-cate-body.hide{
    display:none;
  }
  .mobile-cate-btns{
    display:grid;
    grid-template-columns:1fr 1fr 1fr;
    gap:8px;
  }
  .mobile-cate-btn{
    display:flex;
    align-items:center;
    justify-content:center;
    padding:10px 4px;
    font-size:13px;
    color:#fff;
    background:#0f59d6;
    border-radius:4px;
    text-decoration:none;
    text-align:center;
    line-height:1.3;
  }
  .mobile-cate-btn.active{
    background:#0947a8;
  }
  .submian .subleft .lefta{display:none !important;}
  /* 移动端保留面包屑：submian 内的原面包屑仍隐藏，改用独立块 .m-sobtitle */
  .submian .sobtitle{display:none !important;}
  /* 独立移动端面包屑块（在栏目列表下方、型号查询上方） */
  .m-sobtitle{
    display:block;
    padding:10px 15px;
    font-size:12px;
    color:#999;
    background:#fff;
    border-bottom:1px solid #f0f0f0;
    line-height:1.6;
  }
  .m-sobtitle s{
    display:inline-block;
    width:14px;height:16px;
    margin-right:6px;
    background:url(../images/locationIco.png) no-repeat;
    background-size:14px 16px;
    vertical-align:middle;
  }
  .m-sobtitle a{color:#999;text-decoration:none;}
}