/* ========================================
   产品详情页样式
   ======================================== */

.detail-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.detail-navbar .container {
  display: flex;
  align-items: center;
  height: 56px;
  gap: 16px;
}

.back-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  color: var(--color-text);
  padding: 8px;
}

.detail-back-text {
  font-size: 0.95rem;
}

.detail-breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-left: auto;
}

/* ====== 详情主体 ====== */
.product-detail {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 20px 100px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

/* ====== 轮播 ====== */
.carousel {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-cream);
}

.carousel-track {
  display: flex;
  transition: transform 0.4s ease;
}

.carousel-slide {
  flex-shrink: 0;
  width: 100%;
  aspect-ratio: 1;
}

.carousel-slide img,
.carousel-slide video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.8);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 5;
}

.carousel-btn:hover {
  background: rgba(255,255,255,1);
}

.carousel-btn.prev { left: 12px; }
.carousel-btn.next { right: 12px; }

.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 12px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0,0,0,0.2);
  cursor: pointer;
  transition: var(--transition);
}

.carousel-dot.active {
  background: var(--color-green);
  width: 24px;
  border-radius: 4px;
}

/* ====== 产品信息 ====== */
.product-info h1 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.product-tags .tag {
  background: rgba(76,175,50,0.12);
  color: var(--color-green-dark);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
}

.product-price-box {
  background: linear-gradient(135deg, #FFFBE6, #FFF8E1);
  border: 1px solid rgba(245,197,24,0.3);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.product-price-box .label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 6px;
}

.product-price-box .price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-danger);
}

.product-price-box .price .unit {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-light);
  margin-left: 6px;
}

.product-price-box .inquiry-label {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-yellow-dark);
}

/* ====== 参数表 ====== */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}

.specs-table th,
.specs-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: 0.95rem;
}

.specs-table th {
  width: 120px;
  color: var(--color-text-light);
  font-weight: 500;
  background: var(--color-cream);
}

/* ====== 详情图 ====== */
.detail-images-section {
  margin-top: 32px;
}

.detail-images-section h3 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  padding-left: 12px;
  border-left: 4px solid var(--color-green);
}

.detail-image-item {
  width: 100%;
  margin-bottom: 12px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: zoom-in;
}

.detail-image-item img {
  width: 100%;
  display: block;
}

/* ====== 底部操作栏 ====== */
.detail-action-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  padding: 12px 20px;
  z-index: 1000;
  display: flex;
  gap: 12px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.detail-action-bar .btn {
  flex: 1;
  padding: 10px;
}

.detail-action-bar .btn-icon {
  flex: 0 0 auto;
  min-width: 56px;
}