/* =====================================================
   product-detail.css — 产品详情页样式
   星时寻迹 | 深圳市玉山源科技有限公司
   公共样式（page-banner、breadcrumb）在 public.css
===================================================== */

/* =====================================================
   详情页包裹
===================================================== */
.detail-wrapper {
  padding: 60px 0 100px;
}

.detail-product-title {
  font-size: 1.9rem;
  font-weight: 700;
  color: #18192a;
  letter-spacing: 0.03em;
  margin-bottom: 40px;
}

/* =====================================================
   双列布局：左 sticky 主图 | 右 详情图
===================================================== */
.detail-layout {
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 52px;
  align-items: start;
}

/* ===== 左侧 ===== */
.detail-left {
  position: sticky;
  top: 88px;
}

/* 主图容器 */
.detail-main-wrap {
  border-radius: 12px;
  overflow: hidden;
  background-color: #f0f4f9;
  border: 1px solid #e8ecf5;
}

.detail-main-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  transition: opacity 0.18s ease;
}

.detail-main-img.switching {
  opacity: 0;
}

/* 缩略图网格 */
.detail-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.detail-thumb {
  aspect-ratio: 1 / 1;
  border-radius: 6px;
  overflow: hidden;
  border: 2px solid #e8ecf5;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.detail-thumb:hover {
  border-color: #90b8e8;
}

.detail-thumb.active {
  border-color: #0066cc;
}

.detail-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

/* ===== 右侧 ===== */
.detail-right {
}

.detail-img-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.detail-img-list img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
}

/* =====================================================
   响应式
===================================================== */
@media (max-width: 1100px) {
  .detail-layout {
    grid-template-columns: 380px 1fr;
    gap: 40px;
  }
}

@media (max-width: 860px) {
  .detail-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .detail-left {
    position: static;
  }

  .detail-thumbs {
    grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
  }
}

@media (max-width: 480px) {
  .detail-product-title {
    font-size: 1.5rem;
  }

  .detail-wrapper {
    padding: 40px 0 72px;
  }
}