/* ==========================================================================
   AKA XII — 子页面与扩展组件样式
   在 site.css 之后加载
   ========================================================================== */

/* ---------- 页头（内页） ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:clamp(56px,6.5vw,92px) 0 clamp(46px,5.5vw,72px);
  border-bottom:1px solid var(--line);background:rgba(11,14,19,.60);
}
.page-hero-photo{
  position:absolute;inset:0;background-size:cover;background-position:center 40%;
  opacity:.26;filter:saturate(.7) contrast(1.1) brightness(.9);
}
.page-hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,10,13,.94) 0%,rgba(8,10,13,.76) 46%,rgba(8,10,13,.54) 100%);
}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:var(--fs-h1);margin-bottom:16px;letter-spacing:-.03em}
.page-hero p{color:var(--text-2);font-size:var(--fs-lead);margin:0;max-width:70ch}
.crumb{
  font-family:var(--mono);font-size:var(--fs-micro);letter-spacing:.12em;
  text-transform:uppercase;color:var(--text-3);margin-bottom:18px;
}
.crumb a:hover{color:var(--gold-2)}
.crumb span{margin:0 9px;opacity:.45}

/* ---------- 页内锚点导航（吸顶分类条） ---------- */
.cat-nav{
  position:sticky;top:var(--header-h);z-index:90;
  background:rgba(11,14,19,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.cat-nav .wrap{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.cat-nav .wrap::-webkit-scrollbar{display:none}
.cat-nav a{
  flex:none;padding:16px 18px;font-size:var(--fs-sm);font-weight:500;
  color:var(--text-2);border-bottom:2px solid transparent;
  transition:all .25s var(--ease);white-space:nowrap;
}
.cat-nav a:hover{color:var(--text)}
.cat-nav a.on{color:var(--gold-2);border-bottom-color:var(--gold)}

/* ---------- 产品卡（带实拍图） ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.prod-grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}

.prod{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r);border:1px solid var(--line);
  background:linear-gradient(158deg,var(--bg-3),var(--bg-2));
  transition:all .34s var(--ease);min-width:0;}
.prod:hover{border-color:rgba(201,162,75,.34);transform:translateY(-5px);box-shadow:0 22px 52px rgba(0,0,0,.46)}

.prod-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#0f1319}
.prod-media img{
  position:absolute;top:0;left:0;width:100%;height:100%;
  object-fit:cover;display:block;
  transition:transform .7s var(--ease);
  filter:saturate(.92) contrast(1.02) brightness(.94);
}
.prod:hover .prod-media img{transform:scale(1.06)}
.prod-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to top,rgba(8,10,13,.62),transparent 52%);
}
.prod-tag{
  position:absolute;top:14px;left:14px;z-index:3;
  padding:5px 11px;border-radius:100px;font-family:var(--mono);
  font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(8,10,13,.72);border:1px solid var(--line-2);
  color:var(--gold-2);backdrop-filter:blur(8px);
}
.prod-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.prod-body h3{font-size:18px;margin-bottom:10px}
.prod-body p{font-size:var(--fs-sm);color:var(--text-2);line-height:1.75;margin:0 0 16px;flex:1}
.prod-spec{
  display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px;
}
.prod-spec span{
  padding:4px 10px;border-radius:100px;font-size:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-3);
}
.prod-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:15px;border-top:1px solid var(--line);
}
.prod-foot .n{font-family:var(--mono);font-size:var(--fs-micro);color:var(--text-3);letter-spacing:.08em}

/* 大图产品块（子页面顶部展示） */
.prod-hero{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(28px,4vw,58px);align-items:center;
  padding:clamp(38px,4.6vw,60px) 0;border-bottom:1px solid var(--line);
}
.prod-hero:last-of-type{border-bottom:0}
.prod-hero:nth-child(even){grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr)}
.prod-hero:nth-child(even) .ph-media{order:2;position:relative;}

.ph-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:4/3;border:1px solid var(--line-2);background:#0f1319;
}
.ph-media img{
  position:absolute;top:0;left:0;width:100%;height:100%;
  object-fit:cover;display:block;
  filter:saturate(.95) contrast(1.03) brightness(.96);
}
.ph-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to top,rgba(8,10,13,.55),transparent 55%);
}
.ph-body h2{font-size:var(--fs-h2);margin-bottom:16px}
.ph-body p{color:var(--text-2);line-height:1.85;margin-bottom:20px}

/* 规格表 */
.spec-table{width:100%;border-collapse:collapse;margin:8px 0 22px;font-size:var(--fs-sm)}
.spec-table th,.spec-table td{
  padding:12px 15px;text-align:left;border-bottom:1px solid var(--line);
}
.spec-table th{
  font-family:var(--mono);font-size:var(--fs-micro);letter-spacing:.12em;
  text-transform:uppercase;color:var(--text-3);font-weight:500;
  border-bottom-color:var(--line-2);
}
.spec-table td:first-child{color:var(--text);font-weight:600;white-space:nowrap}
.spec-table td{color:var(--text-2)}
.spec-table tr:hover td{background:rgba(255,255,255,.018)}

/* ---------- 合作伙伴 logo 墙 ---------- */
/*
   设计：深色卡片 + 纯白透明 logo
   logo 已预处理为「白色图形 + alpha 通道」的 PNG，
   直接叠在深色卡片上，无白块、无滤镜、边缘锐利。
*/
.logo-wall{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px;
}
.logo-item{
  position:relative;border-radius:var(--r-sm);
  background:rgba(255,255,255,.028);
  border:1px solid var(--line);
  aspect-ratio:2/1;min-width:0;overflow:hidden;
  transition:all .32s var(--ease);
}
.logo-item img{
  position:absolute;top:18px;left:22px;
  width:calc(100% - 44px);height:calc(100% - 36px);
  object-fit:contain;display:block;
  opacity:.66;transition:opacity .35s var(--ease);
}
.logo-item:hover{
  background:rgba(201,162,75,.07);
  border-color:rgba(201,162,75,.42);
  transform:translateY(-4px);
  box-shadow:0 16px 40px rgba(0,0,0,.5);
}
.logo-item:hover img{opacity:1}

/* 首页用的紧凑版 logo 墙 */
.logo-wall.compact{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px}
.logo-wall.compact .logo-item{
  padding:0;
}

/* logo 墙分组标题（partners.html 用） */
.logo-group{margin-bottom:44px}
.logo-group:last-child{margin-bottom:0}
.logo-group h3{
  font-size:18px;margin-bottom:20px;padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.logo-group h3 span{
  font-family:var(--mono);font-size:var(--fs-micro);letter-spacing:.12em;
  text-transform:uppercase;color:var(--text-3);margin-left:10px;font-weight:400;
}

@media (max-width:1100px){
  .logo-item img{top:14px;left:16px;width:calc(100% - 32px);height:calc(100% - 28px);}
}
@media (max-width:640px){
  .logo-item{padding:14px 16px}
}

/* ---------- 内容块（关于我们 / 服务条款等） ---------- */
.doc{padding:clamp(56px,7vw,92px) 0}
.doc-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:clamp(32px,4vw,64px);align-items:start}
.doc-body h2{font-size:var(--fs-h2);margin:0 0 18px}
.doc-body h3{font-size:var(--fs-h3);margin:38px 0 14px}
.doc-body h3:first-child{margin-top:0}
.doc-body p{color:var(--text-2);line-height:1.9;margin-bottom:18px}
.doc-body strong{color:var(--text)}

.toc{
  position:sticky;top:calc(var(--header-h) + 24px);
  padding:24px;border-radius:var(--r);
  background:rgba(20,24,32,.55);border:1px solid var(--line);
}
.toc h4{
  font-family:var(--mono);font-size:var(--fs-micro);letter-spacing:.14em;
  text-transform:uppercase;color:var(--text-3);margin-bottom:16px;font-weight:500;
}
.toc ul{list-style:none;padding:0;margin:0}
.toc li{margin-bottom:2px}
.toc a{
  display:block;padding:9px 12px;border-radius:var(--r-sm);
  font-size:var(--fs-sm);color:var(--text-2);
}
.toc a:hover,.toc a.on{background:rgba(201,162,75,.1);color:var(--gold-2)}

/* 价值观卡 */
.value-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);margin:28px 0 8px}
.value{
  padding:28px;border-radius:var(--r);
  background:linear-gradient(158deg,var(--bg-3),var(--bg-2));
  border:1px solid var(--line);text-align:center;
  transition:all .3s var(--ease);min-width:0;}
.value:hover{border-color:rgba(201,162,75,.3);transform:translateY(-4px)}
.value b{
  display:block;font-size:22px;color:var(--gold-2);
  margin-bottom:10px;letter-spacing:.02em;
}
.value p{font-size:var(--fs-sm);color:var(--text-2);margin:0;line-height:1.75}

/* 时间线 */
.timeline{position:relative;margin:30px 0 10px;padding-left:30px}
.timeline::before{
  content:"";position:absolute;left:6px;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,rgba(201,162,75,.5),rgba(201,162,75,.08));
}
.tl-item{position:relative;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:13px;height:13px;
  border-radius:50%;background:var(--bg);border:2px solid var(--gold);
  box-shadow:0 0 0 5px rgba(201,162,75,.1);
}
.tl-item b{
  display:block;font-family:var(--mono);font-size:var(--fs-xs);
  letter-spacing:.12em;color:var(--gold);margin-bottom:6px;
}
.tl-item p{margin:0;font-size:var(--fs-sm);color:var(--text-2);line-height:1.75}
.tl-item h4{font-size:16.5px;margin-bottom:7px}

/* ---------- 信息统计块（子页面用） ---------- */
.kpi-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap);
  margin:30px 0;
}
.kpi{
  padding:24px;border-radius:var(--r);
  background:rgba(20,24,32,.5);border:1px solid var(--line);min-width:0;}
.kpi b{display:block;font-size:clamp(24px,2.8vw,34px);color:var(--text);letter-spacing:-.03em;line-height:1.1;margin-bottom:8px}
.kpi b em{font-style:normal;font-size:.55em;color:var(--gold);margin-left:3px}
.kpi span{font-family:var(--mono);font-size:var(--fs-micro);letter-spacing:.12em;text-transform:uppercase;color:var(--text-3)}

/* ---------- 相关板块（子页面底部） ---------- */
.related{padding:clamp(48px,5.5vw,76px) 0;background:rgba(20,24,32,.5);border-top:1px solid var(--line)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.rel{
  display:flex;align-items:center;gap:18px;padding:22px;
  border-radius:var(--r);border:1px solid var(--line);
  background:rgba(255,255,255,.02);transition:all .3s var(--ease);min-width:0;}
.rel:hover{border-color:rgba(201,162,75,.34);transform:translateY(-3px);background:rgba(201,162,75,.05)}
.rel img{
  width:76px;height:58px;flex:none;border-radius:var(--r-sm);
  object-fit:cover;border:1px solid var(--line-2);
}
.rel b{display:block;color:var(--text);font-size:16.5px;margin-bottom:5px}
.rel small{font-size:var(--fs-xs);color:var(--text-3);line-height:1.5;display:block}

/* ---------- 面包屑 + 返回 ---------- */
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:var(--fs-sm);font-weight:600;color:var(--gold);
}
.back-link svg{width:15px;height:15px;transition:transform .3s var(--ease)}
.back-link:hover svg{transform:translateX(-4px)}

/* ---------- 通用内容块间距 ---------- */
.blk{padding:clamp(52px,6.5vw,88px) 0}
.blk-soft{background:rgba(20,24,32,.55);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .prod-grid,.prod-grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .doc-grid{grid-template-columns:minmax(0,1fr)}
  .toc{position:static;margin-bottom:32px}
  .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:860px){
  .prod-hero,.prod-hero:nth-child(even){grid-template-columns:minmax(0,1fr);gap:28px}
  .prod-hero:nth-child(even) .ph-media{order:0}
  .value-grid{grid-template-columns:minmax(0,1fr)}
  .cat-nav{top:calc(var(--header-h) + 0px)}
}
@media (max-width:600px){
  .prod-grid,.prod-grid.cols-4{grid-template-columns:minmax(0,1fr)}
  .kpi-grid{grid-template-columns:minmax(0,1fr)}
  .spec-table{font-size:13px}
  .spec-table th,.spec-table td{padding:10px 10px}
}

/* ==========================================================================
   真实 LOGO
   ========================================================================== */
.logo-img{
  width:46px;height:46px;flex:none;display:block;
  object-fit:contain;
}
.logo-img.lg{width:58px;height:58px}
.foot .logo-img{width:52px;height:52px}

/* ==========================================================================
   Bento 产品卡 —— 顶部配实拍图
   ========================================================================== */
.bcard-media{
  position:relative;overflow:hidden;background:#0f1319;
  margin:-28px -28px 22px;aspect-ratio:16/10;
}
.bcard-media img{
  position:absolute;top:0;left:0;width:100%;height:100%;
  object-fit:cover;display:block;
  transition:transform .75s var(--ease);
  filter:saturate(.9) contrast(1.04) brightness(.9);
}
.bcard:hover .bcard-media img{transform:scale(1.06)}
.bcard-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to top,rgba(27,32,41,.95) 0%,rgba(27,32,41,.35) 42%,transparent 72%);
}
.bcard-media .cap{
  position:absolute;left:20px;bottom:14px;z-index:3;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:rgba(255,255,255,.72);
}

/* 大卡（.bcard-lg）图片更高 */
.bcard-lg .bcard-media{aspect-ratio:16/9}

/* ==========================================================================
   合作伙伴板块
   ========================================================================== */
.partners{padding:var(--pad-y) 0;background:rgba(20,24,32,.55);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.partners-note{
  text-align:center;margin-top:34px;
  font-size:var(--fs-sm);color:var(--text-3);
}
.partners-note b{color:var(--gold-2);font-weight:600}

/* ==========================================================================
   子页面底部导航（上一个 / 下一个业务）
   ========================================================================== */
.pager{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--gap);
  padding:clamp(40px,4.6vw,60px) 0;border-top:1px solid var(--line);
}
.pager a{
  display:flex;align-items:center;gap:16px;padding:24px 26px;
  border-radius:var(--r);border:1px solid var(--line);
  background:rgba(255,255,255,.02);transition:all .3s var(--ease);
}
.pager a:hover{border-color:rgba(201,162,75,.34);background:rgba(201,162,75,.05);transform:translateY(-3px)}
.pager .dir{
  font-family:var(--mono);font-size:var(--fs-micro);letter-spacing:.14em;
  text-transform:uppercase;color:var(--text-3);margin-bottom:6px;display:block;
}
.pager b{display:block;color:var(--text);font-size:17px}
.pager .arrow{width:20px;height:20px;flex:none;color:var(--gold);margin-left:auto}
.pager .prev{flex-direction:row}
.pager .next{flex-direction:row-reverse;text-align:right}
.pager .next .arrow{transform:rotate(180deg);margin-left:0;margin-right:auto}

/* ==========================================================================
   应用领域 / 行业标签
   ========================================================================== */
.ind-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.ind{
  padding:18px 20px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.025);border:1px solid var(--line);
  font-size:var(--fs-sm);color:var(--text-2);
  display:flex;align-items:center;gap:10px;
  transition:all .28s var(--ease);min-width:0;}
.ind:hover{border-color:rgba(201,162,75,.32);color:var(--gold-2);background:rgba(201,162,75,.05)}
.ind::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:var(--gold);flex:none;
}

@media (max-width:1100px){
  .ind-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pager{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:600px){
  .ind-grid{grid-template-columns:minmax(0,1fr)}
  .bcard-media{margin:-24px -24px 20px}
  .bcard{padding:24pxmin-width:0;}
}

/* ==========================================================================
   设备业务 —— 图标卡网格 / 服务流程 / FAQ
   ========================================================================== */
.eq-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap)}
.eq{
  padding:26px 24px;border-radius:var(--r);
  background:linear-gradient(158deg,var(--bg-3),var(--bg-2));
  border:1px solid var(--line);transition:all .3s var(--ease);
  display:flex;flex-direction:column;min-width:0;}
.eq:hover{border-color:rgba(201,162,75,.34);transform:translateY(-5px);box-shadow:0 20px 46px rgba(0,0,0,.42)}
.eq-ico{
  width:50px;height:50px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(201,162,75,.15),rgba(201,162,75,.03));
  border:1px solid rgba(201,162,75,.2);color:var(--gold-2);margin-bottom:18px;flex:none;
}
.eq-ico svg{width:24px;height:24px}
.eq h3{font-size:17.5px;margin-bottom:10px}
.eq p{font-size:var(--fs-sm);color:var(--text-2);line-height:1.72;margin:0 0 14px;flex:1}
.eq ul{list-style:none;padding:0;margin:0;border-top:1px solid var(--line);padding-top:14px}
.eq li{font-size:13px;color:var(--text-3);padding:4px 0 4px 14px;position:relative;line-height:1.6}
.eq li::before{
  content:"";position:absolute;left:0;top:11px;width:4px;height:4px;
  border-radius:50%;background:var(--gold);opacity:.7;
}
.eq-note{
  margin-top:20px;padding:20px 24px;border-radius:var(--r);
  background:rgba(201,162,75,.06);border:1px solid rgba(201,162,75,.2);
  font-size:var(--fs-sm);color:var(--text-2);line-height:1.8;
}
.eq-note b{color:var(--gold-2)}

/* 服务流程（8 步） */
.flow8{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:44px}
.f8{
  position:relative;padding:24px 22px;border-radius:var(--r);
  background:rgba(255,255,255,.022);border:1px solid var(--line);
  transition:all .3s var(--ease);min-width:0;}
.f8:hover{border-color:rgba(201,162,75,.3);background:rgba(201,162,75,.04)}
.f8 .n{
  font-family:var(--mono);font-size:var(--fs-micro);letter-spacing:.14em;
  color:var(--gold);display:block;margin-bottom:10px;
}
.f8 b{display:block;font-size:16px;color:var(--text);margin-bottom:8px;font-weight:600}
.f8 p{font-size:var(--fs-sm);color:var(--text-3);margin:0;line-height:1.68}

/* FAQ 折叠 */
.faq{border-top:1px solid var(--line);margin-top:10px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;padding:20px 40px 20px 0;position:relative;
  font-size:16.5px;font-weight:600;color:var(--text);list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:300;color:var(--gold);transition:transform .28s var(--ease);
}
.faq details[open] summary::after{content:"−"}
.faq p{margin:0;padding:0 40px 22px 0;font-size:var(--fs-sm);color:var(--text-2);line-height:1.85}

@media (max-width:1100px){
  .eq-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow8{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:600px){
  .eq-grid,.flow8{grid-template-columns:minmax(0,1fr)}
}




/* ==========================================================================
   布局兜底：固定宽高比容器内的图片一律绝对定位
   绝对定位元素不参与父元素尺寸计算 —— 从原理上杜绝「图片撑爆网格」
   ========================================================================== */
.logo-item img,
.prod-media img,
.ph-media img,
.bcard-media img,
.rel img{
  min-width:0;
  min-height:0;
}
.logo-item img{
  max-width:calc(100% - 44px);
  max-height:calc(100% - 36px);
}
.prod-media,
.ph-media,
.bcard-media{
  position:relative;
}

/* ==========================================================================
   产品卡点击：名称与图片均可跳转
   ========================================================================== */
.bcard h3 a{
  color:inherit;
  text-decoration:none;
  transition:color .25s var(--ease);
}
.bcard h3 a:hover{color:var(--gold-2)}

/* 覆盖式链接：铺满图片区，不干扰图片的绝对定位 */
.bcard-link{
  position:absolute;
  inset:0;
  z-index:2;
  display:block;
  border-radius:inherit;
}
/* 让图片区的文字标签不挡住点击 */
.bcard-media .cap{pointer-events:none}

/* ==========================================================================
   RTL 支持（阿拉伯语 / 波斯语）
   ========================================================================== */
[dir="rtl"] .crumb a,[dir="rtl"] .crumb span{display:inline-block}
[dir="rtl"] .crumb{direction:rtl}

/* 左侧竖线的元素翻到右侧 */
[dir="rtl"] .eq li,[dir="rtl"] .ind{padding-left:0;padding-right:14px}
[dir="rtl"] .eq li::before,[dir="rtl"] .ind::before{left:auto;right:0}
[dir="rtl"] .ind::before{right:0}

/* 时间线 */
[dir="rtl"] .timeline{padding-left:0;padding-right:30px}
[dir="rtl"] .timeline::before{left:auto;right:6px}
[dir="rtl"] .tl-item::before{left:auto;right:-30px}

/* 目录 */
[dir="rtl"] .toc a{text-align:right}
[dir="rtl"] .toc h4{text-align:right}

/* FAQ */
[dir="rtl"] .faq summary{padding:20px 0 20px 40px}
[dir="rtl"] .faq summary::after{right:auto;left:8px}
[dir="rtl"] .faq p{padding:0 0 22px 40px}

/* 翻页 */
[dir="rtl"] .pager .arrow{transform:scaleX(-1)}
[dir="rtl"] .pager .next .arrow{transform:scaleX(-1)}
[dir="rtl"] .pager .next{text-align:left}

/* 返回链接 */
[dir="rtl"] .back-link svg{transform:scaleX(-1)}
[dir="rtl"] .back-link:hover svg{transform:scaleX(-1) translateX(-4px)}

/* 图标卡/产品卡里的箭头 */
[dir="rtl"] .tlink svg{transform:scaleX(-1)}
[dir="rtl"] .prod-foot .tlink svg{transform:scaleX(-1)}

/* 数字与代码保持 LTR */
[dir="rtl"] .n,[dir="rtl"] code,[dir="rtl"] .eyebrow,
[dir="rtl"] .mega-t small,[dir="rtl"] .crumb{unicode-bidi:embed}

/* ==========================================================================
   全球办公室 —— 世界地图 + 定位标记
   ========================================================================== */
.map-wrap{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-2);
  background:linear-gradient(160deg,#0b0e14,#0d1119);
  box-shadow:0 30px 70px rgba(0,0,0,.5), 0 0 0 1px rgba(201,162,75,.06);
}
.world-map{
  width:100%;display:block;
  opacity:.95;
  filter:contrast(1.05) brightness(1.05);
}
/* 地图四周渐隐，融入卡片 */
.map-wrap::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:2;
  background:
    radial-gradient(ellipse at 50% 50%, transparent 55%, rgba(8,10,13,.55) 100%),
    linear-gradient(to bottom, rgba(8,10,13,.35), transparent 22%, transparent 78%, rgba(8,10,13,.35));
}

/* ---- 定位标记 ---- */
.map-pin{
  position:absolute;z-index:4;
  transform:translate(-50%,-50%);
  width:0;height:0;
}
.pin-dot{
  position:absolute;left:-6px;top:-6px;
  width:12px;height:12px;border-radius:50%;
  background:linear-gradient(140deg,var(--gold-2),var(--gold));
  box-shadow:0 0 0 3px rgba(201,162,75,.16), 0 0 18px rgba(201,162,75,.75);
}
.pin-dot::after{
  content:"";position:absolute;inset:-5px;border-radius:50%;
  border:1px solid var(--gold);opacity:.8;
  animation:pinPulse 2.6s var(--ease) infinite;
}
.map-pin:nth-child(3) .pin-dot::after{animation-delay:.5s}
.map-pin:nth-child(4) .pin-dot::after{animation-delay:1s}
.map-pin:nth-child(5) .pin-dot::after{animation-delay:1.5s}
@keyframes pinPulse{
  0%{transform:scale(.6);opacity:.85}
  70%{transform:scale(2.6);opacity:0}
  100%{transform:scale(2.6);opacity:0}
}

/* 引线 */
.pin-line{
  position:absolute;height:1px;background:linear-gradient(90deg,var(--gold),rgba(201,162,75,.15));
  top:0;width:34px;
}
.pin-label{
  position:absolute;top:-19px;white-space:nowrap;
  padding:5px 10px;border-radius:8px;
  background:rgba(10,13,18,.92);
  border:1px solid rgba(201,162,75,.28);
  backdrop-filter:blur(8px);
  box-shadow:0 8px 22px rgba(0,0,0,.55);
  transition:all .28s var(--ease);
}
.pin-label b{display:block;font-size:12.5px;font-weight:600;color:var(--text);line-height:1.3}
.pin-label small{
  display:block;font-family:var(--mono);font-size:8.5px;
  letter-spacing:.12em;text-transform:uppercase;color:var(--gold);
  margin-top:2px;
}
/* 标签朝右 */
.pin-r .pin-line{left:6px;background:linear-gradient(90deg,var(--gold),rgba(201,162,75,.12))}
.pin-r .pin-label{left:42px}
/* 标签朝左 */
.pin-l .pin-line{right:6px;left:auto;background:linear-gradient(270deg,var(--gold),rgba(201,162,75,.12))}
.pin-l .pin-label{right:42px;text-align:right}
/* 标签朝上 */
.pin-t .pin-line{display:none}
.pin-t .pin-label{left:50%;top:auto;bottom:20px;transform:translateX(-50%);text-align:center}
/* 标签朝下 */
.pin-b .pin-line{display:none}
.pin-b .pin-label{left:50%;top:20px;transform:translateX(-50%);text-align:center}

.map-pin:hover .pin-label{
  border-color:var(--gold);
  box-shadow:0 10px 30px rgba(0,0,0,.65), 0 0 0 1px rgba(201,162,75,.35);
}
.map-pin:hover .pin-dot{box-shadow:0 0 0 5px rgba(201,162,75,.22), 0 0 26px rgba(201,162,75,.95)}

/* 地图下方图例 */
.map-legend{
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;
  margin-top:26px;
}
.map-legend span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:var(--fs-sm);color:var(--text-2);
}
.map-legend span::before{
  content:"";width:8px;height:8px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 10px rgba(201,162,75,.7);flex:none;
}
.map-legend em{
  font-style:normal;font-family:var(--mono);font-size:10px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);
}

/* ---- 办公室卡片 ---- */
.office-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap);
}
.office{
  position:relative;padding:28px 30px;border-radius:var(--r);
  background:linear-gradient(158deg,var(--bg-3),var(--bg-2));
  border:1px solid var(--line);overflow:hidden;
  transition:all .32s var(--ease);
}
.office::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--gold-2),rgba(201,162,75,.1));
  opacity:.55;transition:opacity .3s var(--ease);
}
.office:hover{border-color:rgba(201,162,75,.34);transform:translateY(-4px);box-shadow:0 22px 50px rgba(0,0,0,.45)}
.office:hover::before{opacity:1}
.office-hq::before{background:linear-gradient(180deg,var(--gold-2),var(--gold));opacity:1}

.office-head{display:flex;align-items:flex-start;gap:16px;margin-bottom:18px}
.office-flag{
  width:38px;height:26px;flex:none;border-radius:4px;object-fit:cover;
  box-shadow:0 0 0 1px rgba(255,255,255,.14), 0 2px 6px rgba(0,0,0,.4);
}
.office-t{min-width:0}
.office-t b{display:block;font-size:19px;color:var(--text);letter-spacing:-.01em;margin-bottom:3px}
.office-t small{
  display:block;font-family:var(--mono);font-size:9.5px;
  letter-spacing:.13em;text-transform:uppercase;color:var(--text-3);
}
.office-tag{
  display:inline-block;margin-top:8px;padding:3px 9px;border-radius:100px;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(201,162,75,.12);border:1px solid rgba(201,162,75,.28);color:var(--gold-2);
}
.office-rows{display:flex;flex-direction:column;gap:11px}
.office-row{display:flex;gap:11px;font-size:var(--fs-sm);color:var(--text-2);line-height:1.7}
.office-row svg{width:15px;height:15px;flex:none;margin-top:4px;color:var(--gold);opacity:.85}
.office-row a{color:var(--text-2)}
.office-row a:hover{color:var(--gold-2)}
.office-row b{color:var(--text);font-weight:600}

@media (max-width:1000px){
  .office-grid{grid-template-columns:1fr}
  .pin-label{font-size:11px;padding:4px 8px}
  .pin-line{width:22px}
  .pin-r .pin-label{left:30px}
  .pin-l .pin-label{right:30px}
}
@media (max-width:760px){
  /* 小屏：只留圆点，标签收起避免重叠 */
  .pin-label,.pin-line{display:none}
}


/* ==========================================================================
   冶金设备卡片 —— 配图版
   ========================================================================== */
.eq{padding:0 !important;overflow:hidden !important}
.eq-media{
  display:block;position:relative;
  aspect-ratio:16/9;overflow:hidden;background:#0b0e13;
  border-bottom:1px solid var(--line);
}
.eq-media img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .55s var(--ease), filter .4s var(--ease);
  filter:saturate(.95) contrast(1.02);
}
.eq:hover .eq-media img{transform:scale(1.05);filter:saturate(1.05) contrast(1.06)}
.eq-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to top, rgba(11,14,19,.55), transparent 55%);
}
.eq > .eq-ico{margin:18px 20px 0 !important}
.eq > h3{margin:0 20px 10px !important}
.eq > p{margin:0 20px 14px !important}
.eq > ul{margin:0 20px 20px !important}
@media (max-width:760px){
  .eq > .eq-ico{margin:14px 16px 0 !important}
  .eq > h3,.eq > p{margin-left:16px !important;margin-right:16px !important}
  .eq > ul{margin:0 16px 16px !important}
}