/* 库恩产品分类页筛选组件 —— 技术卡片 / 参数分面 / 特性折叠 / 配套推荐 / 选型向导
   由产品页统一引用，保证全站分类页风格与交互一致。改动需同步验证加速度页。 */

        .dytran-sub-tabs { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
        .dytran-sub-tab { padding: 8px 18px; border: 1px solid #ddd; background: #fff; color: #555; border-radius: 999px; cursor: pointer; font-size: 14px; transition: all 0.2s; }
        .dytran-sub-tab:hover { border-color: var(--primary-light); color: var(--primary); }
        .dytran-sub-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
        .acc-wizard { margin-bottom: 14px; }
        .wz-toggle { display: flex; align-items: center; gap: 12px; width: 100%; background: #fff; border: 1px solid #e3e8f0; border-left: 4px solid var(--primary); border-radius: 10px; padding: 13px 18px; cursor: pointer; font-family: inherit; text-align: left; transition: all .2s; }
        .wz-toggle:hover { border-color: var(--primary-light); box-shadow: 0 4px 14px rgba(0,0,0,.07); }
        .wz-icon { flex: none; width: 20px; height: 20px; color: var(--primary); }
        .wz-title { font-size: 15px; font-weight: 700; color: #1f2937; white-space: nowrap; }
        .wz-sub { font-size: 12.5px; color: #6b7280; flex: 1; }
        .wz-arrow { flex: none; color: #9ca3af; transition: transform .2s; display: flex; }
        .wz-toggle.open { background: #f0f6ff; border-color: var(--primary); }
        .wz-toggle.open .wz-arrow { transform: rotate(180deg); }
        .wz-body { display: none; background: #fff; border: 1px solid var(--primary); border-top: none; border-radius: 0 0 10px 10px; padding: 4px 20px 16px; }
        .acc-wizard.open .wz-body { display: block; }
        .wz-step { padding: 14px 0 10px; border-bottom: 1px dashed #eef2f7; }
        .wz-q { font-size: 13.5px; font-weight: 700; color: #1f2937; margin-bottom: 10px; padding-left: 9px; border-left: 3px solid var(--primary); line-height: 1.2; }
        .wz-opts { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 8px; }
        .wz-opt { display: flex; flex-direction: column; align-items: flex-start; gap: 3px; background: #fbfcfe; border: 1px solid #e6ebf2; border-radius: 8px; padding: 10px 13px; cursor: pointer; font-family: inherit; text-align: left; transition: all .15s; }
        .wz-opt:hover { border-color: var(--primary-light); background: #f5f9ff; }
        .wz-opt.active { background: var(--primary); border-color: var(--primary); }
        .wz-opt.active .wz-opt-name { color: #fff; }
        .wz-opt.active .wz-note { color: rgba(255,255,255,.82); }
        .wz-opt-name { font-size: 13px; font-weight: 600; color: #1f2937; }
        .wz-note { font-size: 11.5px; color: #9ca3af; line-height: 1.4; }
        .wz-foot { display: flex; align-items: center; gap: 12px; padding-top: 14px; flex-wrap: wrap; }
        .wz-count { font-size: 13px; color: #6b7280; flex: 1; }
        .wz-count b { color: var(--primary); font-size: 16px; }
        .wz-go { background: var(--primary); color: #fff; border: none; border-radius: 8px; padding: 10px 22px; font-size: 13.5px; font-weight: 600; cursor: pointer; font-family: inherit; }
        .wz-go:disabled { background: #c3cdda; cursor: not-allowed; }
        .wz-reset { background: #fff; color: #6b7280; border: 1px solid #dde3ec; border-radius: 8px; padding: 10px 16px; font-size: 13px; cursor: pointer; font-family: inherit; }
        @media (max-width: 768px) { .wz-title { white-space: normal; } .wz-sub { display: none; } .wz-opts { grid-template-columns: 1fr; } }
        .tech-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 16px; }
        .tech-card { background: #fff; border: 1px solid #e3e8f0; border-radius: 12px; padding: 16px 18px; text-align: left; cursor: pointer; transition: all 0.2s; font-family: inherit; }
        .tech-card:hover { border-color: var(--primary-light); box-shadow: 0 4px 14px rgba(0,0,0,0.07); }
        .tech-card.active { border-color: var(--primary); background: #f0f6ff; }
        .tech-card-name { display: block; font-size: 15px; font-weight: 600; color: #1f2937; }
        .tech-card-count { display: block; font-size: 13px; color: var(--primary); margin: 5px 0 6px; font-weight: 600; }
        .tech-card-note { display: block; font-size: 12px; color: #6b7280; line-height: 1.65; }
        .acc-toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
        .acc-search { flex: 1; min-width: 240px; position: relative; }
        .acc-search input { width: 100%; padding: 10px 16px; border: 1px solid #d8dee9; border-radius: 999px; font-size: 14px; outline: none; transition: border-color 0.2s; }
        .acc-search input:focus { border-color: var(--primary); }
        .acc-filter-tip { font-size: 13px; color: var(--primary); font-weight: 600; }
        .acc-clear { font-size: 13px; color: #6b7280; cursor: pointer; text-decoration: underline; }
        /* 参数筛选：与「按特性浏览全部类型」同款式的折叠条（.tag-toggle / .tag-groups 的镜像），
           默认收起，点标题条展开，给结果列表腾出整幅宽度与首屏高度。 */
        .acc-layout { display: grid; grid-template-columns: 1fr; gap: 0; align-items: start; margin-top: 6px; }
        .acc-layout.no-facets { grid-template-columns: 1fr; }   /* 参数不足以做分面时单列排布 */
        .acc-facets { position: static; background: none; border: none; border-radius: 0; padding: 0; margin-bottom: 14px; display: block; }
        .facet-toggle { display: flex; align-items: center; gap: 14px; width: 100%; background: #fff; border: 1px solid #dfe6f0; border-left: 4px solid var(--primary); border-radius: 12px; padding: 14px 18px; cursor: pointer; text-align: left; transition: all 0.2s; font-family: inherit; }
        .facet-toggle:hover { background: #f8fbff; border-color: var(--primary-light); border-left-color: var(--primary); box-shadow: 0 3px 14px rgba(0,0,0,0.06); }
        .facet-toggle.open { background: #f0f6ff; border-color: var(--primary); }
        .facet-toggle-icon { width: 22px; height: 22px; flex-shrink: 0; color: var(--primary); }
        .facet-toggle-main { flex: 1; min-width: 0; }
        .facet-toggle-title { display: block; font-size: 15px; font-weight: 600; color: #1f2937; }
        .facet-toggle-sub { display: block; font-size: 12px; color: #6b7280; margin-top: 4px; line-height: 1.6; }
        .facet-toggle-state { font-size: 12px; color: var(--primary); font-weight: 600; flex-shrink: 0; text-align: right; }
        .facet-toggle-arrow { color: var(--primary); font-size: 13px; flex-shrink: 0; transition: transform 0.2s; }
        .facet-toggle.open .facet-toggle-arrow { transform: rotate(180deg); }
        .facet-body { display: none; padding: 16px 20px 6px; background: #fff; border: 1px solid var(--primary); border-top: none; border-radius: 0 0 12px 12px; }
        .acc-facets.open .facet-body { display: block; }
        .facet-body-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding-bottom: 10px; margin-bottom: 12px; border-bottom: 1px solid #eef1f5; }
        .facet-body-title { font-size: 12px; color: #6b7280; }
        .facets-clear { font-size: 12px; color: #6b7280; background: none; border: none; cursor: pointer; text-decoration: underline; font-family: inherit; }
        .facets-clear:hover { color: var(--primary); }
        .facet { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 7px; margin: 0 0 11px; }
        .facet-title { font-size: 12.5px; color: var(--primary); font-weight: 700; padding: 0 4px 0 0; margin: 0; line-height: 1.2; white-space: nowrap; }
        .facet-note { flex: 0 0 100%; font-size: 11px; color: #9ca3af; margin: 0; line-height: 1.5; }
        .facet-opt { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; cursor: pointer; font-size: 12.5px; color: #374151; background: #fbfcfe; border: 1px solid #e3e8f0; border-radius: 999px; line-height: 1.35; transition: all .15s; }
        .facet-opt:hover { color: var(--primary); border-color: var(--primary-light); background: #f2f8ff; }
        .facet-opt:has(input:checked) { color: var(--primary); border-color: var(--primary); background: #eaf3ff; font-weight: 600; }
        .facet-opt input { accent-color: var(--primary); cursor: pointer; width: 13px; height: 13px; margin: 0; flex: none; }
        .facet-opt .fo-name { flex: none; }
        .facet-opt .fo-count { font-size: 11.5px; color: #9ca3af; }
        .facet-opt:has(input:checked) .fo-count { color: var(--primary); }
        .facet-opt.zero { opacity: 0.42; }
        .facet-opt.zero:hover { opacity: 0.7; }
        .acc-results { min-width: 0; }
        .acc-match { background: #fff; border: 1px solid #e3e8f0; border-radius: 12px; padding: 20px 22px; margin: 20px 0 6px; }
        .acc-match-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
        .acc-match-title { font-size: 15px; font-weight: 700; color: #1f2937; }
        .acc-match-note { font-size: 12.5px; color: #6b7280; }
        .acc-match-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; }
        .acc-match-card { border: 1px solid #eef2f7; border-radius: 10px; padding: 14px 16px; background: #fbfcfe; }
        .acc-match-card.hot { border-color: var(--primary); background: #f0f6ff; }
        .amc-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 6px; }
        .amc-name { font-weight: 700; color: #1f2937; font-size: 14px; }
        .amc-badge { display: none; font-size: 11px; background: var(--primary); color: #fff; border-radius: 4px; padding: 2px 6px; margin-left: 6px; font-weight: 500; }
        .acc-match-card.hot .amc-badge { display: inline; }
        .amc-count { font-size: 12px; color: var(--primary); font-weight: 600; white-space: nowrap; }
        .amc-desc { font-size: 12px; color: #6b7280; line-height: 1.7; margin: 0 0 10px; }
        .amc-list { list-style: none; margin: 0 0 10px; padding: 0; }
        .amc-list li { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; padding: 5px 0; border-bottom: 1px dashed #eef2f7; font-size: 12.5px; }
        .amc-list a { color: #374151; text-decoration: none; }
        .amc-list a:hover { color: var(--primary); }
        .amc-list b { color: var(--primary); font-weight: 700; margin-right: 6px; }
        .amc-list span { color: #9ca3af; font-size: 11.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 130px; }
        .amc-more { font-size: 12.5px; color: var(--primary); font-weight: 600; text-decoration: none; }
        @media (max-width: 768px) { .acc-match-grid { grid-template-columns: 1fr; } }
        .facet-note { font-size: 11px; color: #9ca3af; line-height: 1.5; margin: 2px 0 0; }
        /* 屏读专用标题：分类页原来的顶部标题框已取消，标题降级为视觉隐藏的 H1，
           保留给搜索引擎与读屏软件（内容仍完整可读，不改变任何可见排版）。 */
        .sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }
        /* 展开区顶部「型号 / 品牌 / 参数摘要」描述块（由 dytran-filter.js 注入，数据取自页面已有规格表） */
        .product-brief { background: #f7fafd; border: 1px solid #e3edf9; border-left: 3px solid var(--primary); border-radius: 10px; padding: 13px 18px; margin: 16px 0 2px; }
        .pb-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 7px; }
        .pb-code { font-size: 16px; font-weight: 800; color: #0C447C; letter-spacing: -.2px; }
        .pb-cat { font-size: 13px; color: #45536a; }
        .pb-brand { margin-left: auto; font-size: 12px; font-weight: 600; color: #0C447C; background: #d3e4f8; border: 1px solid #bcd6f0; border-radius: 999px; padding: 3px 11px; white-space: nowrap; }
        .pb-desc { font-size: 13px; color: #33455c; line-height: 1.9; margin: 0; }
        /* 详情区「获取该型号报价」深链（由 dytran-filter.js 注入） */
        .model-quote { font-weight: 600; white-space: nowrap; }
        .quote-sep { color: #c3cdda; font-size: 13px; margin: 0 2px; }
        .acc-empty { background: #fff; border: 1px dashed #c9d4e4; border-radius: 12px; padding: 26px 22px; text-align: center; margin: 14px 0 4px; }
        .acc-empty-title { font-size: 16px; font-weight: 600; color: #1f2937; margin-bottom: 8px; }
        .acc-empty p { font-size: 13px; color: #6b7280; line-height: 1.75; max-width: 640px; margin: 0 auto 16px; }
        .acc-empty-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
        .acc-empty-btn { display: inline-block; background: var(--primary); color: #fff; border: 1px solid var(--primary); border-radius: 8px; padding: 9px 18px; font-size: 13px; font-weight: 600; text-decoration: none; cursor: pointer; }
        .acc-empty-btn:hover { background: #1a4fb8; }
        .acc-empty-btn.ghost { background: #fff; color: var(--primary); }
        .acc-empty-btn.ghost:hover { background: #f0f6ff; }
        /* 折叠条在窄屏：标题允许换行，副标题（维度清单）隐藏以免占两行 */
        @media (max-width: 768px) { .facet-toggle-title { white-space: normal; } .facet-toggle-sub { display: none; } .facet-toggle-state { font-size: 11.5px; } }
        .acc-step-title { font-size: 13px; color: #6b7280; font-weight: 600; margin: 20px 0 10px; }
        .tag-toggle { display: flex; align-items: center; gap: 14px; width: 100%; background: #fff; border: 1px solid #dfe6f0; border-left: 4px solid var(--primary); border-radius: 12px; padding: 14px 18px; cursor: pointer; text-align: left; margin-bottom: 0; transition: all 0.2s; font-family: inherit; }
        .tag-toggle:hover { background: #f8fbff; border-color: var(--primary-light); border-left-color: var(--primary); box-shadow: 0 3px 14px rgba(0,0,0,0.06); }
        .tag-toggle.open { background: #f0f6ff; border-color: var(--primary); }
        .tag-toggle-icon { width: 22px; height: 22px; flex-shrink: 0; color: var(--primary); }
        .tag-toggle-main { flex: 1; min-width: 0; }
        .tag-toggle-title { display: block; font-size: 15px; font-weight: 600; color: #1f2937; }
        .tag-toggle-sub { display: block; font-size: 12px; color: #6b7280; margin-top: 4px; line-height: 1.6; }
        .tag-toggle-state { font-size: 12px; color: var(--primary); font-weight: 600; flex-shrink: 0; text-align: right; }
        .tag-toggle-arrow { color: var(--primary); font-size: 13px; flex-shrink: 0; transition: transform 0.2s; }
        .tag-toggle.open .tag-toggle-arrow { transform: rotate(180deg); }
        .tag-groups { display: none; margin-bottom: 20px; padding: 18px 20px; background: #fff; border: 1px solid var(--primary); border-top: none; border-radius: 0 0 12px 12px; }
        .tag-groups.open { display: block; }
        .tag-group { margin-bottom: 14px; }
        .tag-group:last-child { margin-bottom: 0; }
        .tag-group-title { font-size: 12px; color: var(--primary); margin-bottom: 8px; font-weight: 600; padding-left: 9px; border-left: 3px solid var(--primary); line-height: 1.2; }
        .tag-group-items { display: flex; gap: 8px; flex-wrap: wrap; }
        .dytran-sub-tab .tab-count { font-size: 12px; opacity: 0.7; margin-left: 4px; }
        @media (max-width: 768px) {