/* ============ 内页组件样式（列表 / 详情 / 多语言） ============ */

/* ---------- 内页 banner ---------- */
.page-banner{position:relative;background-size:cover;background-position:center;padding:64px 0 56px;color:#fff}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,28,54,.92),rgba(22,41,74,.72))}
.page-banner-in{position:relative}
.page-banner h1{font-size:clamp(26px,3.4vw,40px);letter-spacing:6px;font-weight:800;margin-bottom:12px}
.page-banner p{color:rgba(255,255,255,.78);letter-spacing:1px;max-width:760px}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:18px 0;font-size:13.5px;color:var(--gray);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.breadcrumb a{transition:.2s}
.breadcrumb a:hover{color:var(--red)}
.breadcrumb b{color:var(--ink);font-weight:600}
.breadcrumb span{opacity:.5}

/* ---------- 语言切换 ---------- */
/* 高写死 20px + 项可以折行 = 长语言下项掉到第二行被切掉（实测 en/ru 只看得见“文”）
   改成不参与收缩、绝不折行 */
.lang-switch{position:relative;display:inline-flex;align-items:center;gap:6px;padding-left:18px;border-left:1px solid rgba(255,255,255,.18);min-height:20px;flex:none}
.lang-switch-icon{font-size:14px;opacity:.9}
.lang-switch-list{display:flex;gap:12px;flex:none;white-space:nowrap}
.lang-switch-list em{font-style:normal;opacity:.55;margin-right:2px}
.lang-switch-list a{opacity:.7;transition:.2s;padding:2px 0;border-bottom:1px solid transparent}
.lang-switch-list a:hover,.lang-switch-list a.active{opacity:1;color:#fff;border-bottom-color:var(--red)}

/* ---------- 列表布局 ---------- */
.list-wrap{display:grid;grid-template-columns:264px 1fr;gap:34px;align-items:start;padding:44px 0 90px}
.filter-panel{position:sticky;top:104px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;box-shadow:var(--shadow)}
.filter-head{display:flex;justify-content:space-between;align-items:center;font-weight:700;color:var(--navy);letter-spacing:2px;margin-bottom:6px;font-size:15px}
.filter-head button{background:none;border:none;color:var(--red);font-size:13px;cursor:pointer;letter-spacing:1px}
.filter-group{padding:16px 0;border-bottom:1px dashed var(--line)}
.filter-group:last-child{border-bottom:none;padding-bottom:0}
.filter-label{font-size:13px;font-weight:700;color:var(--navy);letter-spacing:1px;margin-bottom:10px;display:flex;align-items:center;gap:6px}
.filter-label::before{content:"";width:3px;height:12px;background:var(--red);border-radius:2px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-block;padding:6px 12px;font-size:13px;border:1px solid var(--line);border-radius:20px;color:#4a5266;cursor:pointer;transition:.22s;background:#fff;line-height:1.4}
.chip:hover{border-color:var(--red);color:var(--red)}
.chip.on{background:var(--red);border-color:var(--red);color:#fff}
.filter-toggle{display:none}

/* ---------- 工具栏（tab + 搜索 + 排序） ---------- */
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.tabs{display:flex;flex-wrap:wrap;gap:6px;border-bottom:1px solid var(--line);padding-bottom:2px}
.tab{padding:9px 18px;font-size:15px;color:#4a5266;border-bottom:2px solid transparent;transition:.25s;cursor:pointer;white-space:nowrap}
.tab:hover{color:var(--red)}
.tab.on{color:var(--red);border-bottom-color:var(--red);font-weight:600}
.tool-right{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.search-box{display:flex;align-items:center;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff}
.search-box input{border:none;background:none;padding:10px 14px;font-size:14px;width:210px;font-family:inherit;color:var(--ink)}
.search-box input:focus{outline:none}
.search-box button{border:none;background:var(--navy);color:#fff;padding:11px 16px;cursor:pointer;font-size:14px;transition:.25s}
.search-box button:hover{background:var(--red)}
.sort-box{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--gray)}
.sort-box select{padding:9px 12px;border:1px solid var(--line);border-radius:6px;background:#fff;font-family:inherit;font-size:14px;color:var(--ink);cursor:pointer}
.result-meta{font-size:13.5px;color:var(--gray);margin-bottom:16px;letter-spacing:.5px}
.result-meta b{color:var(--red);font-weight:700}
.result-meta .kw{color:var(--navy);font-weight:600}

/* ---------- 网格 ---------- */
.grid-prod{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-news{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-apps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-apps .field-item{color:#fff}
.grid-apps .field-item{background:linear-gradient(160deg,var(--navy-deep),var(--navy));border:none}

/* ---------- 产品卡补充 ---------- */
.prod-img{position:relative}
.prod-badges{position:absolute;left:12px;top:12px;display:flex;gap:6px;flex-wrap:wrap}
.badge{font-style:normal;font-size:11.5px;letter-spacing:1px;background:rgba(200,16,46,.92);color:#fff;padding:4px 9px;border-radius:3px}
.badge-gray{background:rgba(14,28,54,.8)}
.prod-foot{display:flex;justify-content:space-between;align-items:center;margin-top:16px}
.prod-kv{font-size:12.5px;color:var(--navy);background:var(--bg-soft);padding:4px 10px;border-radius:4px;letter-spacing:.5px}
.prod-more{margin-top:0}

/* ---------- 分页 ---------- */
.pager{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:38px}
.pager-total{font-size:13.5px;color:var(--gray)}
.pager-btns{display:flex;gap:8px;flex-wrap:wrap}
.pager-btns a{min-width:38px;height:38px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:6px;font-size:14px;color:#4a5266;background:#fff;transition:.22s}
.pager-btns a:hover{border-color:var(--red);color:var(--red)}
.pager-btns a.active{background:var(--red);border-color:var(--red);color:#fff;font-weight:700}

/* ---------- 骨架 / 空状态 ---------- */
.sk{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:0;overflow:hidden}
.sk-img{height:200px;background:linear-gradient(90deg,#eef1f6 25%,#f7f9fc 50%,#eef1f6 75%);background-size:200% 100%;animation:sk 1.2s infinite}
.sk-line{height:14px;margin:18px 24px;border-radius:4px;background:#eef1f6;animation:sk 1.2s infinite}
.sk-line.w80{width:80%}.sk-line.w60{width:60%}.sk-line.w100{width:calc(100% - 48px)}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}
.empty{grid-column:1/-1;text-align:center;padding:70px 20px;border:1px dashed var(--line);border-radius:var(--radius);background:#fff}
.empty b{display:block;font-size:19px;color:var(--navy);letter-spacing:2px;margin-bottom:10px}
.empty p{color:var(--gray);margin-bottom:22px}

/* ---------- 详情通用 ---------- */
.detail-wrap{padding:40px 0 90px}
.detail-top{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:start}
.gallery-main{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);background:#eef1f6}
.gallery-main img{width:100%;height:auto;display:block}
.gallery-thumbs{display:flex;gap:12px;margin-top:14px;flex-wrap:wrap}
.gallery-thumbs button{width:96px;height:72px;border:2px solid var(--line);border-radius:6px;overflow:hidden;padding:0;cursor:pointer;background:#eef1f6;transition:.22s}
.gallery-thumbs button.on{border-color:var(--red)}
.gallery-thumbs img{width:100%;height:100%;object-fit:cover}
.detail-info h1{font-size:clamp(24px,2.6vw,32px);color:var(--navy);letter-spacing:2px;line-height:1.35;margin-bottom:14px}
.detail-kv{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.detail-kv span{font-size:12.5px;background:var(--bg-soft);color:var(--navy);padding:6px 12px;border-radius:4px;letter-spacing:.5px}
.detail-info .lead{color:#4a5266;margin-bottom:22px;text-align:justify}
.detail-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.detail-tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.detail-tags i{font-style:normal;font-size:12px;color:var(--gray);border:1px solid var(--line);border-radius:20px;padding:4px 12px}

/* ---------- 详情内容区 ---------- */
.detail-body{margin-top:56px;display:grid;grid-template-columns:1.5fr 1fr;gap:44px;align-items:start}
.d-title{font-size:21px;color:var(--navy);letter-spacing:3px;margin-bottom:20px;padding-left:14px;border-left:4px solid var(--red);line-height:1.3}
.d-text p{color:#4a5266;margin-bottom:14px;text-align:justify}
.spec-group{margin-bottom:26px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec-group h4{background:var(--bg-soft);color:var(--navy);font-size:15px;letter-spacing:2px;padding:12px 18px;border-bottom:1px solid var(--line)}
.spec-row{display:grid;grid-template-columns:1fr 1.1fr;gap:12px;padding:11px 18px;font-size:14px;border-bottom:1px dashed var(--line)}
.spec-row:last-child{border-bottom:none}
.spec-row:nth-child(even){background:#fbfcfe}
.spec-row b{color:var(--gray);font-weight:400}
.spec-row span{color:var(--ink);font-weight:600;text-align:right}
.spec-row span i{font-style:normal;color:var(--gray);font-weight:400;margin-left:4px;font-size:13px}
.spec-note{font-size:13px;color:var(--gray);margin-top:12px}

/* ---------- 侧栏（详情） ---------- */
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow);margin-bottom:24px}
.side-card h4{color:var(--navy);font-size:16px;letter-spacing:2px;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.mini-prod{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);align-items:center}
.mini-prod:last-child{border-bottom:none}
.mini-prod img{width:78px;height:58px;object-fit:cover;border-radius:5px;flex-shrink:0}
.mini-prod b{display:block;font-size:14px;color:var(--navy);line-height:1.45}
.mini-prod i{font-style:normal;font-size:12px;color:var(--gray)}
.mini-prod:hover b{color:var(--red)}
.contact-mini{background:linear-gradient(160deg,var(--navy-deep),var(--navy));color:#fff}
.contact-mini h4{color:#fff;border-bottom-color:rgba(255,255,255,.15)}
.contact-mini p{font-size:13.5px;opacity:.8;line-height:1.9}

/* ---------- 上下篇 / 相关推荐 ---------- */
.prevnext{display:flex;justify-content:space-between;gap:20px;margin-top:44px;flex-wrap:wrap}
.prevnext a{flex:1;min-width:240px;border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;transition:.28s;background:#fff}
.prevnext a:hover{border-color:var(--red);box-shadow:var(--shadow)}
.prevnext em{font-style:normal;font-size:12.5px;color:var(--gray);letter-spacing:1px;display:block;margin-bottom:6px}
.prevnext b{color:var(--navy);font-size:15px;line-height:1.5}
.prevnext a:hover b{color:var(--red)}
.prevnext .next{text-align:right}
.related{margin-top:56px}

/* ---------- 新闻详情 ---------- */
.news-detail{max-width:860px;margin:0 auto;padding:44px 0 90px}
.news-detail h1{font-size:clamp(24px,2.8vw,34px);color:var(--navy);line-height:1.4;letter-spacing:1px;margin-bottom:16px}
.news-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13.5px;color:var(--gray);padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:28px}
.news-meta span{display:inline-flex;gap:6px;align-items:center}
.news-body{font-size:16px;color:#3a4256;line-height:1.95}
.news-body p{margin-bottom:18px}
.news-body img{border-radius:var(--radius);margin:22px 0;box-shadow:var(--shadow)}
.news-body h2,.news-body h3{color:var(--navy);margin:28px 0 14px;letter-spacing:1px}
.news-body ul,.news-body ol{padding-left:22px;margin-bottom:18px}
.news-body blockquote{border-left:4px solid var(--red);background:var(--bg-soft);padding:16px 20px;margin:22px 0;border-radius:0 6px 6px 0}
.news-body a{color:var(--red)}
.news-summary{background:var(--bg-soft);border-left:4px solid var(--red);padding:18px 22px;border-radius:0 6px 6px 0;margin-bottom:28px;color:#4a5266;font-size:15px}

/* ---------- 行业详情 ---------- */
.app-block{margin-bottom:40px}
.app-block .d-text p{margin-bottom:14px}
.app-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center;padding:44px 0 10px}
.app-hero h1{font-size:clamp(26px,3vw,38px);color:var(--navy);letter-spacing:4px;margin-bottom:14px}
.app-hero .tagline{color:var(--red);letter-spacing:2px;font-size:15px;margin-bottom:18px;font-weight:600}
.app-hero p{color:#4a5266;text-align:justify}
.app-hero img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}

/* ---------- 表单补充 ---------- */
.form-title{margin-bottom:20px}
.form-title b{display:block;color:var(--navy);font-size:19px;letter-spacing:2px;margin-bottom:6px}
.form-title i{font-style:normal;font-size:13.5px;color:var(--gray)}
.form-msg{font-size:14px;margin-top:14px;min-height:20px}
.form-msg.ok{color:#128a4e}
.form-msg.err{color:var(--red)}
.bot-field{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

/* ---------- 客户案例 ---------- */
.grid-case{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-card{display:flex;flex-direction:column;background:#fff;border:1px solid #e9edf4;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#d8e0ec}
.case-img{position:relative;aspect-ratio:16/9;background:#eef1f6}
.case-img img{width:100%;height:100%;object-fit:cover;display:block}
.case-flag{position:absolute;left:12px;top:12px;background:rgba(11,22,40,.82);color:#fff;font-size:12px;letter-spacing:1px;padding:4px 10px;border-radius:4px}
.case-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.case-body h3{font-size:18px;color:var(--navy);letter-spacing:1px;line-height:1.5}
.case-cust{font-size:13.5px;color:var(--red);letter-spacing:.5px}
.case-body p{font-size:14px;color:#5a6274;line-height:1.8;flex:1}
.case-foot{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding-top:12px;border-top:1px dashed #e6eaf1}
.case-foot span{font-size:12.5px;color:var(--gray)}
.case-foot b{margin-left:auto;font-size:13.5px;color:var(--red);font-weight:600}

.case-hero{display:grid;grid-template-columns:1.15fr 1fr;gap:44px;align-items:center;padding:44px 0 10px}
.case-hero h1{font-size:clamp(24px,2.8vw,34px);color:var(--navy);letter-spacing:3px;margin-bottom:12px;line-height:1.4}
.case-hero .case-cust{font-size:14px;margin-bottom:16px}
.case-hero p{color:#4a5266;text-align:justify;line-height:1.9}
.case-hero img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;object-fit:cover;aspect-ratio:4/3}
.case-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}
.case-facts div{background:var(--bg-soft);border-radius:6px;padding:12px 14px}
.case-facts i{display:block;font-style:normal;font-size:12px;color:var(--gray);letter-spacing:1px;margin-bottom:4px}
.case-facts b{font-size:14.5px;color:var(--navy);font-weight:600}

.case-result{background:linear-gradient(180deg,#f7fafd,#fff);border:1px solid #e6ebf3;border-left:4px solid var(--red);border-radius:var(--radius);padding:22px 26px;margin-top:26px}
.case-result h4{color:var(--navy);font-size:16px;letter-spacing:2px;margin-bottom:10px}
.case-result p{color:#3a4256;line-height:1.9;font-size:15px}

/* ---------- 下载中心 ---------- */
.doc-list{display:flex;flex-direction:column;gap:12px}
.doc-row{display:grid;grid-template-columns:52px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid #e9edf4;border-radius:var(--radius);padding:16px 20px;box-shadow:var(--shadow);transition:.2s}
.doc-row:hover{border-color:#d8e0ec;box-shadow:var(--shadow-lg)}
.doc-ico{width:52px;height:52px;border-radius:8px;background:rgba(198,40,40,.08);color:var(--red);display:flex;align-items:center;justify-content:center;font-size:22px}
.doc-main h3{font-size:16.5px;color:var(--navy);letter-spacing:.5px;margin-bottom:6px;line-height:1.5}
.doc-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12.5px;color:var(--gray)}
.doc-meta em{font-style:normal;background:var(--bg-soft);border-radius:4px;padding:2px 8px;color:#5a6274}
.doc-meta a{color:#5a6274}
.doc-meta a:hover{color:var(--red)}
.doc-dl{display:inline-flex;align-items:center;gap:8px;background:var(--red);color:#fff;font-size:14px;padding:10px 20px;border-radius:6px;white-space:nowrap;transition:.2s}
.doc-dl:hover{background:#a51f1f;color:#fff}
.doc-dl.is-disabled{background:#c9cfda;pointer-events:none}
.doc-size{font-size:12.5px;color:var(--gray);text-align:right;margin-top:6px}
/* 产品详情侧栏的资料清单 */
.doc-link{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px dashed #e6eaf1;font-size:14px;color:#3a4256;line-height:1.5}
.doc-link:last-child{border-bottom:none}
.doc-link span{color:var(--red);flex:none}
.doc-link b{font-weight:500}
.doc-link:hover b{color:var(--red)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .list-wrap{grid-template-columns:1fr;gap:22px}
  .filter-panel{position:static}
  .filter-toggle{display:inline-block;background:none;border:none;color:var(--red);font-size:14px;cursor:pointer;margin-bottom:10px}
  .filter-panel.collapsed .filter-group{display:none}
  .grid-prod,.grid-apps{grid-template-columns:repeat(2,1fr)}
  .grid-case{grid-template-columns:1fr}
  .case-hero{grid-template-columns:1fr;gap:26px}
  .detail-top,.detail-body,.app-hero{grid-template-columns:1fr;gap:28px}
  .lang-switch{padding-left:12px}
}
@media (max-width:640px){
  .page-banner{padding:40px 0 34px}
  .page-banner h1{letter-spacing:2px}
  .grid-prod,.grid-news,.grid-apps{grid-template-columns:1fr}
  .doc-row{grid-template-columns:44px 1fr;gap:12px}
  .doc-dl{grid-column:2;justify-self:start;padding:8px 16px}
  .case-facts{grid-template-columns:1fr}
  .search-box input{width:150px}
  .toolbar{gap:12px}
  .topbar-contact span:not(.lang-switch){display:none}
  .lang-switch-list em{display:none}
  .spec-row{grid-template-columns:1fr;gap:2px}
  .spec-row span{text-align:left}
  .prevnext a{min-width:100%}
  .prevnext .next{text-align:left}
}

/* ============ 页面板块（site_blocks 驱动，后台可配） ============ */
.section-more{text-align:center;margin-top:32px}
.section-dark .field-item{color:#fff}
.rich-body{max-width:880px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--ink)}
.rich-body p{margin:0 0 14px}
.rich-body h3,.rich-body h2{margin:24px 0 10px;font-size:20px;color:var(--navy)}
.rich-body ul{margin:0 0 14px 20px}
.rich-body img{max-width:100%;border-radius:var(--radius)}
.cta-band{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:linear-gradient(120deg,var(--navy),var(--navy-deep));color:#fff;border-radius:var(--radius);
  padding:34px 38px;box-shadow:var(--shadow)}
.cta-band h2{font-size:26px;margin:0 0 8px}
.cta-band p{margin:0;color:rgba(255,255,255,.78);font-size:15px}
.cta-band .btn{flex:none}

/* 预览模式：?preview=1&block=xx（后台板块表单的「预览」按钮打开） */
.jv-preview .section,.jv-preview .stats,.jv-preview .hero{outline:1px dashed rgba(200,16,46,.28);outline-offset:-10px}
.jv-preview-hl{outline:2px solid var(--red)!important;outline-offset:-8px;background:rgba(200,16,46,.04)}
.jv-preview-bar{position:sticky;top:0;z-index:999;display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:10px 18px;background:#111a2e;color:#fff;font-size:13px;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.jv-preview-bar b{color:#ffb4c0;margin-right:6px}
.jv-preview-bar a{color:#cfd8ea;text-decoration:none;padding:3px 9px;border:1px solid rgba(255,255,255,.22);border-radius:999px}
.jv-preview-bar a:hover{background:var(--red);border-color:var(--red);color:#fff}

/* ---------- 数量不成行时别把最后一张孤零零甩在左边 ----------
   案例网格是 2 列：limit 填 3 就变成「2 + 1 张靠左」，看着很别扭（首页客户案例就是这个）。
   后台 limit 已经改成 4，但以后填成奇数还会犯，所以这里兜一层：
   落单的那张按一列宽居中，看起来像故意的而不是缺了一张。
   1024px 以下本来就是单列，不需要这条。 */
@media (min-width:1025px){
  .grid-case>:last-child:nth-child(odd){grid-column:1/-1;justify-self:center;width:50%}
  .grid-prod>:last-child:nth-child(3n+1),.prod-grid>:last-child:nth-child(3n+1),
  .news-grid>:last-child:nth-child(3n+1){grid-column:1/-1;justify-self:center;width:33.33%}
  .grid-apps>:last-child:nth-child(4n+1),.cate-grid>:last-child:nth-child(4n+1),
  .adv-grid>:last-child:nth-child(4n+1),.field-grid>:last-child:nth-child(4n+1){grid-column:1/-1;justify-self:center;width:25%}
}

/* ---------- 分类页简介（/products/c/<slug>/）----------
   富文本字段有内容就原样渲染（后台可以放段落和图片），没有就退到 summary。
   这块存在的意义：让分类页首屏有属于自己的正文，而不是跟 /products/ 一字不差。 */
.cate-intro{margin-bottom:22px;padding:20px 22px;background:var(--bg-soft);border-left:3px solid var(--red);border-radius:0 8px 8px 0}
.cate-intro h2{margin:0 0 8px;font-size:19px;color:var(--navy);letter-spacing:.5px}
.cate-intro-txt{font-size:14.5px;line-height:1.9;color:#4a5266}
.cate-intro-txt p{margin:0 0 8px}
.cate-intro-txt img{max-width:100%;border-radius:6px}
.cate-intro-txt ul,.cate-intro-txt ol{margin:0 0 8px;padding-left:20px}

/* ---------- 常见问题（FAQ / GEO）----------
   问答区在联系页与产品列表出现；<details> 展开，内容始终在 DOM 里（抓取与 AI 引用都能拿到）。
   样式跟站内卡片一致：白底 + 细边框 + 展开投影，问题深蓝、加号红色。 */
.faq-section{background:#f7f8fa}
.faq-list{display:flex;flex-direction:column;gap:10px;max-width:920px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:8px;padding:0 18px;transition:.2s}
.faq-item[open]{box-shadow:var(--shadow)}
.faq-item summary{list-style:none;cursor:pointer;font-size:16px;font-weight:600;color:var(--navy);padding:16px 34px 16px 0;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:2px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:400;color:var(--red)}
.faq-item[open] summary::after{content:"–"}
.faq-a{padding:12px 0 18px;color:var(--gray);font-size:14.5px;line-height:1.85;border-top:1px dashed var(--line)}
@media(max-width:760px){
  .faq-item{padding:0 14px}
  .faq-item summary{font-size:15px;padding-right:28px}
}
.footer-pending,.contact-pending{opacity:.72;font-style:italic}