/* ============================================
   目录页（/product/、/category/、/applications/）样式
   颜色全部复用 style.css 的 :root 变量；工业极简、无动画、以技术数据为主。
   ============================================ */

/* 面包屑 */
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-size: 0.8125rem; color: var(--text-muted); padding: 26px 0 18px; }
.crumbs a { color: var(--text-secondary); text-decoration: none; }
.crumbs a:hover { color: var(--text-primary); text-decoration: underline; text-underline-offset: 3px; }
.crumbs-sep { color: var(--text-faint); }
.crumbs-current { color: var(--text-primary); }
.lang-menu a.is-current { color: var(--text-primary); font-weight: 650; }

/* 首屏 */
.product-hero { padding-top: 8px; }
.selling-points { list-style: none; margin: 0 0 22px; padding: 0; }
.selling-points li { position: relative; padding-left: 20px; margin-bottom: 8px;
  font-size: 0.9375rem; color: var(--text-secondary); }
.selling-points li::before { content: ''; position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px; background: var(--text-primary); }

/* 内容块 */
.catalog-block { padding: 44px 0; border-top: 1px solid var(--border); }
.catalog-block h2 { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.01em;
  color: var(--text-primary); margin-bottom: 16px; }
.catalog-block > .container > p { font-size: 1rem; line-height: 1.75;
  color: var(--text-secondary); max-width: 78ch; }
.cat-context { font-size: 0.9375rem; color: var(--text-muted); margin-top: 14px; }
.cat-context a, .cat-intro a { color: var(--text-primary); text-decoration: underline;
  text-underline-offset: 3px; }
.cat-intro { font-size: 1.0625rem; line-height: 1.75; color: var(--text-secondary);
  max-width: 76ch; margin-bottom: 8px; }

/* 关键特性 */
.feature-list { list-style: none; margin: 18px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 10px 28px; }
.feature-list li { display: flex; gap: 10px; padding: 12px 0;
  border-bottom: 1px solid var(--border); font-size: 0.9375rem; color: var(--text-secondary); }
.feature-list strong { color: var(--text-primary); font-weight: 650; flex-shrink: 0; }

/* 规格表 */
.spec-table-wrap { overflow-x: auto; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
.spec-table th, .spec-table td { border: 1px solid var(--border); padding: 11px 14px;
  text-align: left; vertical-align: top; }
.spec-table thead th { background: var(--bg-inset); color: var(--text-primary);
  font-weight: 650; }
.spec-table tbody th { background: var(--bg-card); color: var(--text-primary);
  font-weight: 600; width: 38%; }
.spec-table tbody td { color: var(--text-secondary); }

/* 应用场景 / 分类列表 */
.app-list, .cat-list { list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 6px 26px; }
.app-list li, .cat-list li { position: relative; padding: 9px 0 9px 18px;
  font-size: 0.9375rem; color: var(--text-secondary); border-bottom: 1px solid var(--border); }
.app-list li::before, .cat-list li::before { content: ''; position: absolute; left: 0; top: 16px;
  width: 5px; height: 5px; background: var(--text-muted); }
.cat-list a { color: var(--text-primary); text-decoration: none; }
.cat-list a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* FAQ（产品页） */
.faq-list { display: grid; gap: 8px; max-width: 82ch; }
.faq-item { border: 1px solid var(--border); border-radius: 10px; padding: 14px 18px;
  background: var(--bg-card); }
.faq-item summary { cursor: pointer; font-weight: 600; color: var(--text-primary);
  font-size: 0.9688rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-answer { margin-top: 10px; font-size: 0.9375rem; line-height: 1.7;
  color: var(--text-secondary); }
.faq-answer p { margin: 0; }

/* 询价表单 */
.inquiry-section { padding: 46px 0 64px; border-top: 1px solid var(--border); }
.inquiry-section h2 { font-size: 1.4rem; font-weight: 700; color: var(--text-primary);
  margin-bottom: 8px; }
.inquiry-lead { font-size: 0.9375rem; color: var(--text-secondary); margin-bottom: 20px;
  max-width: 70ch; }
.inquiry-form { max-width: 620px; }
.inquiry-submit { width: 100%; }
.inquiry-alt { margin-top: 14px; }

/* 分类页 / 应用页标题 */
.section > .container > h1 { font-size: clamp(1.7rem, 3.4vw, 2.2rem); font-weight: 800;
  letter-spacing: -0.02em; color: var(--text-primary); margin-bottom: 14px; }

@media (max-width: 640px) {
  .spec-table tbody th { width: 45%; }
  .catalog-block { padding: 34px 0; }
}
/* ---- 应用方案卡片（2026-09-26，参考汉科 V6 手册应用页版式） ---- */
.app-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.app-card { display: flex; flex-direction: column; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
  color: inherit; text-decoration: none;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease; }
.app-card:hover { border-color: var(--accent, #1e5eff); box-shadow: 0 8px 24px rgba(11,26,43,.10);
  transform: translateY(-2px); }
.app-card-media { aspect-ratio: 4 / 3; background: var(--bg-inset, #f3f5f8); display: flex;
  align-items: center; justify-content: center; padding: 18px; }
.app-card-media img { max-width: 100%; max-height: 100%; object-fit: contain;
  mix-blend-mode: multiply; }
.app-card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px;
  flex: 1; }
.app-card-body h2 { font-size: 1.0625rem; line-height: 1.35; margin: 0;
  color: var(--text-primary); }
.app-card-body p { font-size: 0.875rem; line-height: 1.55; margin: 0;
  color: var(--text-secondary); }
.app-card-meta { margin-top: auto !important; padding-top: 10px;
  border-top: 1px solid var(--border); font-size: 0.8125rem !important;
  color: var(--text-faint) !important; font-variant-numeric: tabular-nums; }
[dir="rtl"] .app-card { text-align: right; }
@media (max-width: 980px) { .app-card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .app-card-grid { grid-template-columns: 1fr; } }

/* ---- 产品实拍图库 + 飞行视频（P2：G 系列素材，2026-09-27） ---- */
.p-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.p-gallery-item { margin: 0; background: var(--bg-inset, #f3f5f8); border-radius: 8px; overflow: hidden; }
.p-gallery-item img { width: 100%; height: 180px; object-fit: cover; display: block; }
.p-video-wrap { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.p-video { width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: 8px; display: block; }

/* ---- 方案页头图（P2，2026-09-27） ---- */
.solution-hero { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; border-radius: 10px;
  border: 1px solid var(--border); margin: 6px 0 8px; display: block; }

/* ---- 产品页折叠式视频嵌入（2026-09-27） ---- */
.video-embed { margin: 18px 0 0; border: 1px solid var(--border); border-radius: 8px;
  overflow: hidden; background: var(--bg-card); }
.video-embed summary { cursor: pointer; padding: 12px 16px; font-size: 0.875rem;
  color: var(--text-secondary); list-style: none; }
.video-embed summary::-webkit-details-marker { display: none; }
.video-embed summary::before { content: "\25B6\00A0 "; color: var(--accent, #1e5eff); }
.video-embed iframe { width: 100%; aspect-ratio: 16 / 9; border: 0; display: block; }

/* ---- SIYI 式亮点区（导语 + 数据卡片，2026-09-27） ---- */
.hl-intro { font-size: 1.0625rem; line-height: 1.65; color: var(--text-primary);
  max-width: 62em; margin: 0 0 22px; }
.hl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px; margin-bottom: 18px; }
.hl-tile { background: var(--bg-inset, #f2f5f9); border-radius: 10px; padding: 22px 16px;
  text-align: center; }
.hl-big { font-size: 1.7rem; font-weight: 700; color: var(--accent, #1e5eff); line-height: 1.2; }
.hl-label { margin-top: 8px; font-size: 0.875rem; color: var(--text-secondary); }
.hl-list { margin: 0; padding-left: 20px; color: var(--text-secondary); }
.hl-list li { margin: 6px 0; }