.container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: linear-gradient(135deg, #F9FAFB 0%, #F2F4F8 100%);
  font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  overflow-x: hidden;
  width: 100%;
  box-sizing: border-box;
}

.header {
  background: #FFFFFF;
  box-shadow: 0 2rpx 8rpx rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24rpx 32rpx;
  width: 100%;
  box-sizing: border-box;
  height: 100rpx;
}

/* 返回按钮样式 */
.back-button {
  width: 100rpx;
  height: 60rpx;
  line-height: 60rpx;
  font-size: 26rpx;
  color: #4a90e2;
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  border-radius: 8rpx;
  transition: all 0.3s ease;
}

.back-button:hover {
  color: #3b82f6;
  background: rgba(74, 144, 226, 0.1);
  transform: translateX(-2rpx);
}

.back-icon {
  margin-right: 8rpx;
  font-size: 22rpx;
  font-weight: 600;
}

.back-text {
  font-size: 26rpx;
  font-weight: 500;
}

.title {
  font-size: 36rpx;
  font-weight: 700;
  color: #2c3e50;
  letter-spacing: 2rpx;
  flex: 1;
  text-align: center;
  margin: 0;
  padding: 0;
}

.header-right {
  width: 100rpx;
}

.content {
  flex: 1;
  padding: 32rpx;
  width: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
}

/* 加载状态 */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  z-index: 9999;
  width: 100%;
  box-sizing: border-box;
}

.loading-spinner {
  width: 80rpx;
  height: 80rpx;
  border: 8rpx solid rgba(74, 144, 226, 0.2);
  border-top: 8rpx solid #4a90e2;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 32rpx;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-text {
  font-size: 28rpx;
  color: #666;
  font-weight: 500;
}

/* 错误提示卡片 */
.error-card {
  background: #fff;
  border-radius: 16rpx;
  padding: 48rpx;
  margin: 32rpx 0;
  box-shadow: 0 4rpx 20rpx rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  box-sizing: border-box;
}

.error-icon {
  font-size: 80rpx;
  margin-bottom: 24rpx;
}

.error-text {
  font-size: 28rpx;
  color: #e74c3c;
  margin-bottom: 32rpx;
  line-height: 1.5;
}

/* 按钮样式 */
.btn-primary {
  width: 240rpx;
  height: 80rpx;
  line-height: 80rpx;
  font-size: 28rpx;
  font-weight: 600;
  border-radius: 40rpx;
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
  color: #fff;
  border: none;
  box-shadow: 0 4rpx 12rpx rgba(96, 165, 250, 0.4);
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.btn-primary:hover {
  transform: translateY(-2rpx);
  box-shadow: 0 6rpx 16rpx rgba(74, 144, 226, 0.5);
}

/* 商品列表区域 */
.product-section {
  margin-top: 24rpx;
  width: 100%;
  box-sizing: border-box;
}

/* 当前选择的分类 */
.current-category {
  display: flex;
  flex-direction: column;
  background: #F8F9FA;
  padding: 24rpx 32rpx;
  border-radius: 16rpx;
  margin-bottom: 32rpx;
  width: 100%;
  box-sizing: border-box;
}

.current-category-content {
  display: flex;
  align-items: center;
  margin-bottom: 8rpx;
  width: 100%;
  box-sizing: border-box;
}

.current-category-name {
  font-size: 36rpx;
  font-weight: 600;
  color: #333;
  width: 100%;
  box-sizing: border-box;
}

/* 价格范围 */
.price-range {
  display: flex;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
}

.price-range-value {
  font-size: 28rpx;
  color: #666;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24rpx;
  padding: 0;
  width: 100%;
  box-sizing: border-box;
}

.section-title {
  font-size: 32rpx;
  font-weight: 600;
  color: #2c3e50;
  padding-left: 0;
  border-left: none;
}

.section-count {
  font-size: 28rpx;
  color: #999;
  background: #F0F0F0;
  padding: 8rpx 16rpx;
  border-radius: 24rpx;
}

.section-divider {
  height: 1rpx;
  background: #EDEDED;
  margin-bottom: 24rpx;
  width: 100%;
  box-sizing: border-box;
}

/* 商品网格布局 */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24rpx;
  margin-top: 0;
  width: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
}

/* 商品卡片 */
.product-card {
  background: #FFFFFF;
  border-radius: 16rpx;
  padding: 16rpx;
  cursor: pointer;
  min-height: 120rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  box-sizing: border-box;
  box-shadow: 0 4rpx 12rpx rgba(0,0,0,0.04);
  transition: all 0.3s ease;
}

.product-card:hover {
  box-shadow: 0 8rpx 20rpx rgba(0,0,0,0.08);
  transform: translateY(-2rpx);
}

.product-name {
  font-size: 28rpx;
  font-weight: 500;
  color: #333;
  line-height: 1.4;
  word-break: break-word;
  text-align: center;
  padding: 0 8rpx;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 响应式设计 */
@media (max-width: 750rpx) {
  .content {
    padding: 24rpx;
  }
  
  .product-grid {
    gap: 20rpx;
  }
  
  .product-card {
    padding: 16rpx;
    min-height: 110rpx;
  }
  
  .title {
    font-size: 32rpx;
  }
  
  .section-title {
    font-size: 28rpx;
  }
  
  .product-name {
    font-size: 26rpx;
  }
  
  .current-category {
    padding: 20rpx 24rpx;
  }
  
  .current-category-name {
    font-size: 32rpx;
  }
  
  .price-range-value {
    font-size: 24rpx;
  }
}

/* 小屏幕设备适配 */
@media (max-width: 414rpx) {
  .content {
    padding: 24rpx;
  }
  
  .product-grid {
    gap: 20rpx;
  }
  
  .product-card {
    padding: 16rpx;
    min-height: 100rpx;
  }
  
  .product-name {
    font-size: 24rpx;
  }
  
  .title {
    font-size: 32rpx;
  }
  
  .section-title {
    font-size: 28rpx;
  }
  
  .current-category {
    padding: 16rpx 20rpx;
  }
  
  .current-category-name {
    font-size: 28rpx;
  }
  
  .price-range-value {
    font-size: 22rpx;
  }
}

/* 大屏幕适配 */
@media (min-width: 900px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
    max-width: 1200rpx;
    margin: 0 auto;
  }
  
  .current-category {
    max-width: 1200rpx;
    margin: 0 auto 32rpx;
  }
  
  .section-header {
    max-width: 1200rpx;
    margin: 0 auto 24rpx;
  }
  
  .section-divider {
    max-width: 1200rpx;
    margin: 0 auto 24rpx;
  }
}

/* 平板适配 */
@media (min-width: 600px) and (max-width: 899px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 暂无更多商品提示 */
.no-more {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48rpx 0;
  margin-top: 24rpx;
}

.no-more::before,
.no-more::after {
  content: '';
  flex: 1;
  height: 1rpx;
  background: #E5E5E5;
  margin: 0 16rpx;
}

.no-more-text {
  font-size: 24rpx;
  color: #BBB;
  font-weight: 500;
  white-space: nowrap;
}

/* 空状态 */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120rpx 0;
  text-align: center;
}

.empty-icon {
  font-size: 120rpx;
  margin-bottom: 40rpx;
  opacity: 0.6;
  color: #CCC;
}

.empty-text {
  font-size: 32rpx;
  font-weight: 600;
  color: #333;
  margin-bottom: 16rpx;
  line-height: 1.4;
  padding: 0 40rpx;
}

.empty-subtext {
  font-size: 28rpx;
  color: #999;
  margin-bottom: 48rpx;
  line-height: 1.4;
  padding: 0 40rpx;
}

.btn-secondary {
  width: 200rpx;
  height: 80rpx;
  line-height: 80rpx;
  font-size: 32rpx;
  font-weight: 600;
  border-radius: 48rpx;
  background: #fff;
  color: #4a90e2;
  border: 1rpx solid #4a90e2;
  transition: all 0.3s ease;
  padding: 0 48rpx;
}

.btn-secondary:hover {
  background: rgba(74, 144, 226, 0.05);
  transform: translateY(-2rpx);
}