/* =============================================================
   products.css — 产品展示 / 产品详情 专属样式
   ============================================================= */

/* 产品筛选标签 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.filter-bar .chip {
  /* 用 button 语义化，重置浏览器默认样式，选择器全部外置、零内联 */
  font-family: inherit; font-size: 14px; font-weight: 600; line-height: 1;
  padding: 9px 18px; border-radius: 999px; cursor: pointer; user-select: none;
  border: 1px solid var(--c-border); background: var(--c-surface); color: var(--c-text-soft);
  transition: 0.25s var(--ease);
}
.filter-bar .chip:hover { border-color: var(--c-primary); color: var(--c-primary); }
.filter-bar .chip:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }
.filter-bar .chip.active { background: var(--grad-accent); color: #fff; border-color: transparent; }

/* 筛选：隐藏不匹配的卡片 + 入场动画 */
.product-card.is-hidden { display: none; }
@keyframes cardIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.product-card.filter-in { animation: cardIn 0.35s var(--ease) both; }

/* 产品网格 */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { overflow: hidden; display: flex; flex-direction: column; }
.product-thumb {
  aspect-ratio: 4 / 3; background: var(--c-surface-2);
  display: grid; place-items: center; border-bottom: 1px solid var(--c-border);
  overflow: hidden;
}
.product-thumb svg { width: 70%; height: 70%; transition: transform 0.4s var(--ease); }
.product-card:hover .product-thumb svg { transform: scale(1.06); }
.product-body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.product-body h3 { font-size: 17px; margin-bottom: 8px; }
.product-body p { color: var(--c-text-soft); font-size: 14px; flex: 1; }
.product-body .tag {
  align-self: flex-start; margin-top: 14px; font-size: 12px; font-weight: 600;
  color: var(--c-primary); background: rgba(20, 82, 155, 0.08); padding: 4px 12px; border-radius: 999px;
}

/* 产品详情 */
.detail-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 44px; align-items: start; }
.detail-gallery {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--c-border);
  background: var(--c-surface-2); aspect-ratio: 4 / 3; display: grid; place-items: center;
}
.detail-gallery svg { width: 80%; }
.detail-info h1 { font-size: 28px; font-weight: 800; margin-bottom: 12px; }
.detail-info .price { color: var(--c-accent-strong); font-weight: 800; font-size: 22px; margin-bottom: 14px; }
.detail-info .desc { color: var(--c-text-soft); margin-bottom: 20px; }
.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 22px; }
.spec-table th, .spec-table td { text-align: left; padding: 11px 14px; border: 1px solid var(--c-border); font-size: 14px; }
.spec-table th { background: var(--c-surface-2); color: var(--c-text); width: 34%; font-weight: 700; }
.spec-table td { color: var(--c-text-soft); }

/* 相关推荐 */
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* 产品详情（富文本正文区） */
.product-detail {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 28px 30px;
  color: var(--c-text-soft); line-height: 1.8; font-size: 15px;
}
.product-detail > :first-child { margin-top: 0; }
.product-detail > :last-child { margin-bottom: 0; }
.product-detail h1, .product-detail h2, .product-detail h3 { color: var(--c-text); margin: 18px 0 10px; line-height: 1.4; }
.product-detail h1 { font-size: 22px; } .product-detail h2 { font-size: 19px; } .product-detail h3 { font-size: 17px; }
.product-detail p { margin: 0 0 14px; }
.product-detail img { max-width: 100%; height: auto; border-radius: 10px; margin: 10px 0; }
.product-detail table { width: 100%; border-collapse: collapse; margin: 14px 0; }
.product-detail th, .product-detail td { border: 1px solid var(--c-border); padding: 9px 12px; text-align: left; }
.product-detail th { background: var(--c-surface-2); }
.product-detail ul, .product-detail ol { padding-left: 22px; margin: 0 0 14px; }
.product-detail a { color: var(--c-accent-strong); }

/* 产品图集（详情区内的图片组，展示后台上传的图集图片） */
.product-gallery { margin-top: 28px; }
.product-gallery .gallery-title { font-size: 18px; color: var(--c-text); margin: 0 0 16px; font-weight: 700; }
.product-gallery .gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.product-gallery .gallery-item {
  display: block; border: 1px solid var(--c-border); border-radius: 12px; overflow: hidden;
  background: var(--c-surface-2); aspect-ratio: 4 / 3;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.product-gallery .gallery-item:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12); }
.product-gallery .gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; }

@media (max-width: 980px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail { padding: 22px; }
  .detail-grid { grid-template-columns: 1fr; gap: 28px; }
  .product-gallery .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .product-grid, .related-grid { grid-template-columns: 1fr; }
  .product-detail { padding: 18px; font-size: 14px; }
  .product-gallery .gallery-grid { grid-template-columns: 1fr; }
}