*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html{-webkit-text-size-adjust:100%;}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#333;background:#f2f3f5;font-size:14px;line-height:1.6;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
em{font-style:normal;}
.mb20{margin-bottom:20px !important;}
/* 头部 */
.m-header{display:flex;align-items:center;gap:0px;padding:8px 0 8px 10px;background:#fff;border-bottom:1px solid #ececec;}
.m-logo{flex:0 0 auto; background: url(../images/m_logo.jpg) no-repeat center center / 100%; width:100px;height:36px; overflow: hidden; text-indent: -9999px; margin-right: 10px;}
.m-search{flex:1 1 auto;display:flex;align-items:center;background:#ededed;border-radius:18px;padding:0 6px 0 15px;height:36px;min-width:0;}
.m-search input{flex:1 1 auto;border:none;background:transparent;outline:none;font-size:13px;min-width:0;color:#333;}
.m-search input::-webkit-input-placeholder{color:#9aa0a6;}
.m-search button{flex:0 0 auto;border:none;color:#666;font-size:0;width:28px;height:28px;padding:0;border-radius:14px;cursor:pointer;background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><circle cx='11' cy='11' r='7'/><line x1='16.5' y1='16.5' x2='21' y2='21'/></svg>") no-repeat center / 16px 16px;}
.m-search button:active{opacity:.65;}
.m-cate-btn{flex:0 0 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;width:46px;height:36px;border:none;background:#fff;color:#555;font-size:11px;line-height:1.1;gap:3px;}
.m-cate-btn .ico{width:16px;height:16px;position:relative;}
.m-cate-btn .ico::before,.m-cate-btn .ico::after{content:"";position:absolute;left:0;width:16px;height:2px;background:#555;border-radius:2px;}
.m-cate-btn .ico::before{top:3px;box-shadow:0 5px 0 #555,0 10px 0 #555;}
.m-cate-btn .ico::after{display:none;}

/*  2、分类抽屉（右侧滑出 + 遮罩） */
.m-drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:90;opacity:0;visibility:hidden;transition:opacity .25s ease;}
.m-drawer-mask.open{opacity:1;visibility:visible;}
.m-drawer{position:fixed;top:0;right:0;bottom:0;width:76%;max-width:320px;background:#fff;z-index:100;transform:translateX(100%);transition:transform .28s ease,box-shadow .28s ease;display:flex;flex-direction:column;}
.m-drawer.open{transform:translateX(0);box-shadow:-2px 0 12px rgba(0,0,0,.12);}
.m-drawer-hd{display:flex;align-items:center;justify-content:flex-end;padding:14px 16px;color:#555;font-size:16px;font-weight:700;}
.m-drawer-close{font-size:22px;line-height:1;cursor:pointer;padding:0 4px;}
.m-drawer-bd{flex:1;overflow-y:auto;padding:6px 0;}
.m-drawer-group{padding:8px 16px 4px;font-size:12px;color:#aaa;}
.m-drawer-link{display:block;padding:13px 16px;font-size:15px;color:#333;border-bottom:1px solid #f0f0f0;}
.m-drawer-link:active{background:#f6fbf2;color:#52B41A;}
.m-drawer-sub{display:flex;flex-wrap:wrap;padding:6px 12px 10px;}
.m-drawer-sub a{font-size:13px;color:#555;background:#f2f3f5;padding:7px 12px;border-radius:16px;margin:4px;}
.m-drawer-sub a:active{background:#e7f5df;color:#52B41A;}
/*  3、主体容器与面包屑 */
.shebei-path{font-size:12px;color:#999;padding:10px;line-height:1.5;}
.shebei-path a{color:#999;}
.shebei-path a:hover{color:#52B41A;}
.shebei-container{ padding:15px 12px; background: #fff;}
.shebei-list-title{font-size:16px;color:#222;font-weight:700;padding-bottom:10px;margin-bottom:8px;border-bottom:2px solid #52B41A;}
/* 区块标题（产品介绍 / 主要产品 / 相关阅读 等） */
.shebei-section-title{position:relative;font-size:17px;color:#222;font-weight:700;margin:22px 0 12px;line-height:1.3;}
.shebei-section-title::before{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:#eee;}
.shebei-section-title:first-child{margin-top:0;}
.shebei-section-title span{display:inline-block;padding-bottom:8px;border-bottom:2px solid #52B41A;position:relative;}
.shebei-section-title em{font-size:12px;color:#999;font-style:normal;font-weight:400;float:right;padding-top:4px;}

/*  4、列表页（产品 / 品牌企业卡片） */
/* 产品列表：两列网格 */

.shebei-content h2{position:relative;font-size:17px;color:#222;font-weight:700;margin:22px 0 12px;line-height:1.3;}
.shebei-content h2::before{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:#eee;}
.shebei-content h2:first-child{margin-top:0;}
.shebei-content h2 span{display:inline-block;padding-bottom:8px;border-bottom:2px solid #52B41A;position:relative;}
.shebei-content p{font-size:15px;color:#555;line-height:1.8;margin-bottom:8px;}
.shebei-content img{max-width:100%;height:auto;margin-bottom:10px;}

.cd-intro{font-size:15px;color:#555;line-height:26px;margin-bottom:22px;}
.cd-intro em{color:#52B41A;font-style:normal;font-weight:bold;}
.cd-intro em a{color:#52B41A;font-style:normal;font-weight:bold;}
.cd-intro em a:hover{color: #1a73e8;}

.shebei-prod-grid,.shebei-rec-prod-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px 20px;}
.shebei-prod-card{background:#fff;overflow:hidden;display:block;}
.shebei-prod-card img{width:100%;aspect-ratio:4 / 3;height:auto;background:#fff;border:1px solid #eee;padding:4px;}
.shebei-prod-card .name{font-size:13px;color:#444;padding:8px 8px 0;line-height:1.4;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;}
.shebei-prod-card .name a{color:#444;}
.shebei-prod-card .name a:hover{color:#52B41A;}
.shebei-prod-card .model{font-size:12px;color:#999;padding:0 8px 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
/* 企业 / 品牌卡片：logo + 信息 */
.shebei-company-grid{display:flex;flex-direction:column;}
.shebei-company-card{display:flex;gap:12px;align-items:center;background:#fff;border-bottom:1px solid #eee;padding:15px 0;}
.shebei-company-card:hover,.shebei-company-card:active{background:#fafafa;}
.shebei-company-card:last-child{border-bottom:none;}
.shebei-co-logo{flex:0 0 85px;width:85px;height:64px;}
.shebei-co-logo img{width:85px;height:64px;object-fit:contain;border:1px solid #eee;border-radius:6px;background:#fff;padding:3px;}
.shebei-co-info{flex:1;min-width:0;}
.shebei-co-info .brand-name,.shebei-co-info .company-name{font-size:15px;font-weight:700;color:#222;}
.shebei-co-info .brand-name a,.shebei-co-info .company-name a{color:#222;}
.shebei-co-info .brand-name a:hover,.shebei-co-info .company-name a:hover{color:#52B41A;}
.shebei-co-info .brand-company,.shebei-co-info .brand-product,.shebei-co-info .company-address,.shebei-co-info .company-brand{font-size:12px;color:#888;line-height:1.7;}
.shebei-co-info .company-brand a{color:#555;margin-right:5px;}
.shebei-co-info .company-address span{color:#555;}

/*  5、分类导航页 (category.html) */
.shebei-cat-list{display:flex;flex-direction:column;gap:4px;}
.shebei-cat-row{border-bottom:1px solid #f2f2f2;padding:10px 0;}
.shebei-cat-row:last-child{border-bottom:none;}
.shebei-cat-name{font-size:15px;font-weight:700;color:#222;margin-bottom:8px;}
.shebei-cat-items{display:flex;flex-wrap:wrap;gap:8px;}
.shebei-cat-items a{font-size:13px;color:#555;background:#f4f6f4;border:1px solid #e8efe4;padding:6px 12px;border-radius:16px;}
.shebei-cat-items a:active{background:#e7f5df;color:#52B41A;}
/*  6、文章列表页 */
.shebei-article-list{display:flex;flex-direction:column;}
.shebei-art-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 2px;border-bottom:1px solid #f2f2f2;}
.shebei-art-item a{flex:1;min-width:0;font-size:14px;color:#333;line-height:1.4;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;}
.shebei-art-item a:active,.shebei-art-item a:hover{color:#52B41A;}
.shebei-art-date{flex:0 0 auto;font-size:11px;color:#aaa;white-space:nowrap;}
/*  7、详情页（产品 / 品牌 / 企业 / 文章） */
/* 产品详情头部：图 + 信息（移动端上下排列） */
.shebei-pd-header{display:flex;flex-direction:column;gap:12px;background:#fff;padding:14px 12px;margin-bottom:10px;}
.shebei-pd-gallery img{width:100%;aspect-ratio:4 / 3;object-fit:contain;background:#fafafa;border:1px solid #eee;border-radius:8px;}
.shebei-pd-info h1{font-size:19px;color:#222;font-weight:700;line-height:1.35;margin-bottom:10px;}
.shebei-pd-meta p{font-size:13px;color:#666;line-height:1.9;}
.shebei-pd-meta p .label{color:#999;display:inline-block;}
.shebei-pd-meta p .val{color:#333;}
.shebei-pd-meta .link-color{color:#1a73e8;}
.shebei-pd-meta p .price-color{color:#52B41A;font-weight:700;font-size:16px;}
.btn-consult{display:block;text-align:center;background:#FF8C00;color:#fff;font: size 14px;px;padding:10px 0;border-radius:6px;margin-top:12px;}
.btn-consult:active{background:#e67b00;}
/* 详情正文区块容器 */
.shebei-pd-body{display:block;}
.shebei-pd-main{background:#fff;padding:14px 12px;}
/* 品牌 / 企业 头部卡片 */
.bd-header-card{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:#fff;padding:14px 12px;margin-bottom:10px;}
.bd-header-left{display:flex;align-items:center;gap:12px;flex:1;min-width:0;}
.bd-header-left img{width:93px;height:70px;object-fit:contain;border:1px solid #eee;border-radius:6px;background:#fff;padding:3px;}
.bd-header-text h1{font-size:18px;color:#222;font-weight:700; line-height:1.3;}
.bd-header-meta{font-size:12px;color:#999;font-weight: normal; margin-top:5px;}
.btn-orange-consult{width: 48px; flex:0 0 auto;background:#FF8C00;color:#fff;font-size:14px;padding:8px 10px;border-radius:6px; line-height: 1.2;}
.btn-orange-consult:active{background:#e67b00;}
.article-header-card .bd-header-left{align-items:flex-start;}
.article-header-card .bd-header-meta{margin-top:0 ;}
/* 公司详情 Tab（横向滚动） */
.shebei-tabs{margin-top:10px;background:#fff; border-bottom: 2px solid #eee; height: 40px; display:flex; position: sticky;top:0;z-index:50;}
.shebei-tab-item{font-size:14px;color:#555; width: 25%; height: 40px; line-height: 40px; display: inline-block;  text-align: center;}
.shebei-tab-item.active{color:#52B41A; font-weight:700; position: relative; }
.shebei-tab-item.active::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:30px;height:2px;background:#52B41A;}  

/* 图文段落 / 表格 */
.shebei-tb-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:10px 0;}
.shebei-tb{width:100%;border-collapse:collapse;font-size:12px;min-width:420px;}
.shebei-tb th,.shebei-tb td{border:1px solid #e0e0e0;padding:8px 6px;text-align:center;color:#555;}
.shebei-tb th{background:#e8f5e9;color:#2e7d32;font-weight:700;}

/* 品牌横向行 */
.shebei-brand-row{display:grid;grid-template-columns:1fr 1fr;gap:15px 20px;}
.shebei-brand-item img{width:100%;aspect-ratio:4 / 3;height:auto;background:#fff;border:1px solid #eee;padding:4px;}
.shebei-brand-item .b-name{font-size:14px;color:#555; padding: 8px 8px 0; display: block;text-align: center;}
/* 相关链接列表 */
.shebei-related-links{display:flex;flex-direction:column;}
.shebei-related-links li{border-bottom:1px solid #f2f2f2; position:relative;}
.shebei-related-links li::before{content:"·";position:absolute;left:4px; top:8px; color:#999;font-weight:bold;}
.shebei-related-links li a{display:block;padding:11px 0 11px 16px;font-size:14px;color:#444;line-height:1.4;}

.shebei-related-links li a:active{color:#52B41A;}
/* 文章详情 */
.shebei-article-header{padding-bottom:10px;}
.shebei-article-header h1{font-size:20px;color:#222;font-weight:700;line-height:1.3; text-align: center;}
.shebei-article-meta{font-size:12px;color:#aaa;margin-top:8px; text-align: center;}
.shebei-article-content p{font-size:15px;color:#444;line-height:1.85;margin-bottom:12px;}
.shebei-article-content img{max-width:100%;height:auto;margin-bottom:10px;}
.shebei-article-content h2{position:relative;font-size:16px;color:#333;font-weight:bold;margin:12px 0 12px;padding-left:12px;border-bottom:2px solid #eee;padding-bottom:6px;}
.shebei-article-content h2::before{content:"";position:absolute;left:0;top:6px;width:3px;height:18px;background:#52B41A;}

/*  8、咨询表单 */
.shebei-consult-form{background:#fafdf8;border:1px solid #e3f0db;border-radius:5px;padding:14px 12px;margin-top:8px;}
.consult-body{display:block;}
/* 表单：手机端，标签显示在输入框内部左侧（占位式） */
.consult-form .form-row{position:relative;margin-bottom:10px;}
.consult-form .form-row:last-child{margin-bottom:0;}
.consult-form .form-row label{ width:55px; text-align: right;
  position:absolute;top:50%;left:8px;transform:translateY(-50%);
  font-size:14px;color:#555;line-height:1;pointer-events:none;z-index:2;white-space:nowrap;
}
.consult-form .form-row label:empty{display:none;}
.consult-form .form-row .required{color:#e74c3c;margin-right:3px;}
.consult-form .form-row input,
.consult-form .form-row textarea{display:block;width:100%;border:1px solid #d9d9d9;border-radius:5px;padding:13px 12px 13px 65px;font-size:14px;color:#333;background:#fff;outline:none;font-family:inherit;-webkit-appearance:none;transition:border-color .15s,box-shadow .15s;}
.consult-form .form-row input::-webkit-input-placeholder,
.consult-form .form-row textarea::-webkit-input-placeholder{color:#b5b5b5;}
.consult-form .form-row input:focus,
.consult-form .form-row textarea:focus{border-color:#52B41A;box-shadow:0 0 0 2px rgba(82,180,26,.12);}
.consult-form .form-row-textarea label{top:17px;transform:none;}
.consult-form .form-row-textarea textarea{resize:vertical;min-height:96px;line-height:1.6;}
/* 提交按钮：整行大按钮，方便手指点击 */
.btn-submit{display:block;width:100%;border:none;background:#52B41A;color:#fff;font-size:16px;padding:10px 0;border-radius:5px;cursor:pointer;margin-top:4px;}
.btn-submit:active{background:#469c14;}
/* 表单校验错误态 */
.form-invalid{border-color:#e74c3c !important;}
/* 微信风格轻提示 toast */
.shebei-toast{position:fixed;left:50%;top:42%;transform:translate(-50%,-50%);background:rgba(0,0,0,.8);color:#fff;font-size:14px;padding:12px 18px;border-radius:8px;z-index:200;opacity:0;visibility:hidden;transition:opacity .2s;max-width:70%;text-align:center;}
.shebei-toast.show{opacity:1;visibility:visible;}
/*  9、分页 */
.page{padding:30px 0 16px;}
.pagination{display:flex;flex-wrap:wrap;gap:6px;align-items:center;justify-content:center;}
.pagination .page-item{list-style:none;}
.pagination .page-link{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:34px;padding:0 8px;border:1px solid #e0e0e0;border-radius:6px;background:#fff;font-size:13px;color:#555;}
.pagination .page-item.active .page-link{background:#52B41A;border-color:#52B41A;color:#fff;}
.pagination .page-item.disabled .page-link{color:#ccc; border: none;}
.pagination a.page-link:active{background:#e7f5df;}
.pagination .page-item.disabled:first-child .page-link{ display: none;}
/*  10、精简底部：仅版权信息 */
.m-footer{margin-top:14px;padding:18px 14px 24px;background:#fff;border-top:1px solid #eee;text-align:center;color:#999;font-size:12px;line-height:1.9;}
.m-footer .m-footer-tip{color:#bbb;margin-bottom:6px;}
/*  11、产品图册灯箱 */
.shebei-lightbox{position:fixed;inset:0;z-index:300;background:rgba(0,0,0,.9);display:flex;align-items:center;justify-content:center;}
.shebei-lightbox[hidden]{display:none;}
.shebei-lightbox .lb-img{max-width:92%;max-height:76%;object-fit:contain;}
.shebei-lightbox .lb-close{position:absolute;top:14px;right:18px;color:#fff;font-size:30px;cursor:pointer;}
.shebei-lightbox .lb-prev,.shebei-lightbox .lb-next{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:34px;cursor:pointer;padding:10px;user-select:none;}
.shebei-lightbox .lb-prev{left:6px;}
.shebei-lightbox .lb-next{right:6px;}
.shebei-lightbox .lb-caption{position:absolute;bottom:48px;left:0;right:0;text-align:center;color:#eee;font-size:13px;}
.shebei-lightbox .lb-counter{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:#aaa;font-size:12px;}
/*  12、桌面端浏览时限制最大宽度，模拟手机视图（750px 居中） */
@media (min-width:750px){.m-header,.m-main,.m-footer{max-width:750px;margin-left:auto;margin-right:auto;}
/* 抽屉默认贴屏幕右缘，关闭态 translateX(100%) 可完全移出视口（默认不可见）； 打开时滑到 750px 内容列的右缘 */
 .m-drawer.open{transform:translateX(calc(375px - 50vw));}
.shebei-prod-grid,.shebei-rec-prod-grid,.shebei-brand-row{grid-template-columns:1fr 1fr 1fr;}
}