/* 产品中心 · 分类 / 列表 / 详情 */

.products-page {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-h) + 24px);
  min-height: 100vh;
  padding-bottom: 80px;
}

/* Breadcrumb */
.prod-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.prod-breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

.prod-breadcrumb a:hover { color: var(--accent); }

.prod-breadcrumb span.sep { opacity: 0.4; }

/* Hub: 5 categories */
.prod-hub-head {
  text-align: center;
  margin-bottom: 48px;
}

.prod-hub-head h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin-bottom: 12px;
}

.prod-hub-head p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

.cat-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.cat-hub-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.cat-hub-card:hover {
  transform: translateY(-6px);
  border-color: var(--cat-color, var(--accent));
  box-shadow: 0 20px 40px rgba(0,0,0,0.35);
}

.cat-hub-visual {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ececee;
  overflow: hidden;
}

.cat-hub-photo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 6px;
}

.cat-hub-body {
  padding: 24px;
}

.cat-hub-body h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.cat-hub-body p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.cat-hub-count {
  font-size: 12px;
  color: var(--cat-color, var(--accent));
  font-weight: 600;
}

/* Category list grid */
.cat-list-head {
  margin-bottom: 32px;
}

.cat-list-head h1 {
  font-size: 2rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.cat-list-head .cat-badge {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: var(--cat-color);
}

.series-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
}

.series-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s;
}

.series-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99,102,241,0.4);
}

.series-card-img {
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ececee;
  overflow: hidden;
}

.series-card-photo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 10px;
  transition: transform 0.3s;
}

.series-card:hover .series-card-photo {
  transform: scale(1.03);
}

.series-card-img svg {
  width: 100%;
  max-width: 160px;
  height: auto;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.3));
}

.series-card-name {
  padding: 16px;
  text-align: center;
  font-weight: 600;
  font-size: 15px;
  border-top: 1px solid var(--border);
}

.series-card-tag {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 4px;
}

/* Detail page */
.prod-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.prod-detail-visual {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  background: #ececee;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  overflow: hidden;
}

.prod-detail-photo {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: contain;
  object-position: center;
}

.prod-detail-visual svg {
  max-width: 280px;
  width: 100%;
}

.prod-detail-info h1 {
  font-size: 2.25rem;
  margin-bottom: 8px;
}

.prod-detail-tagline {
  font-size: 16px;
  color: var(--accent-3);
  font-weight: 500;
  margin-bottom: 20px;
}

.prod-detail-desc {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 28px;
}

.prod-detail-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.prod-spec-box {
  padding: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.prod-spec-box strong {
  display: block;
  font-size: 18px;
  margin-bottom: 4px;
}

.prod-spec-box span {
  font-size: 12px;
  color: var(--text-muted);
}

.prod-section-title {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.prod-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.prod-apps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.prod-app-chip {
  padding: 8px 14px;
  background: rgba(99,102,241,0.1);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.prod-detail-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .prod-detail-grid { grid-template-columns: 1fr; }
  .prod-detail-visual { position: static; }
  .series-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}

@media (max-width: 768px) {
  .products-page { padding-top: calc(var(--header-h) + 12px); }
  .prod-hero { padding: 28px 0 20px; }
  .prod-hero h1 { font-size: clamp(1.5rem, 6vw, 2rem); }
  .series-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .series-card { padding: 14px; }
  .prod-detail-visual img { max-height: 280px; }
  .prod-detail-body h1 { font-size: clamp(1.35rem, 5vw, 1.75rem); }
  .prod-detail-actions { flex-direction: column; }
  .prod-detail-actions .btn { width: 100%; }
  .color-grid { grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); gap: 8px; }
}