.container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: #f5f5f5;
  font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
}

.header {
  padding: 30rpx 0;
  text-align: center;
  background-color: #fff;
  border-bottom: 1rpx solid #eee;
  box-shadow: 0 2rpx 8rpx rgba(0,0,0,0.05);
}

.title {
  font-size: 36rpx;
  font-weight: bold;
  color: #333;
  letter-spacing: 2rpx;
}

.content {
  flex: 1;
  padding: 20rpx;
}

.product-info {
  background-color: #fff;
  border-radius: 12rpx;
  padding: 30rpx;
  margin-bottom: 30rpx;
  box-shadow: 0 4rpx 12rpx rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20rpx;
}

.back-button {
  width: 100%;
  height: 70rpx;
  line-height: 70rpx;
  font-size: 28rpx;
  border-radius: 35rpx;
  margin-top: 10rpx;
}

.product-label {
  font-size: 28rpx;
  color: #666;
  margin-right: 20rpx;
}

.product-value {
  font-size: 32rpx;
  font-weight: bold;
  color: #FF6B81;
  flex: 1;
}

.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100rpx 0;
  color: #666;
}

.loading-spinner {
  width: 60rpx;
  height: 60rpx;
  border: 6rpx solid #f3f3f3;
  border-top: 6rpx solid #FF6B81;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20rpx;
}

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

.error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40rpx;
  background-color: #fff;
  border-radius: 12rpx;
  margin-bottom: 20rpx;
  box-shadow: 0 2rpx 8rpx rgba(0,0,0,0.05);
}

.error-icon {
  font-size: 60rpx;
  margin-bottom: 20rpx;
}

.error text {
  display: block;
  color: #ff4d4f;
  margin-bottom: 30rpx;
  font-size: 28rpx;
  text-align: center;
}

.retry-button {
  width: 200rpx;
  height: 70rpx;
  line-height: 70rpx;
  font-size: 28rpx;
  border-radius: 35rpx;
  background-color: #FF6B81;
  color: #fff;
}

.button-group {
  display: flex;
  gap: 20rpx;
  margin-top: 20rpx;
}

.button-group button {
  flex: 1;
  height: 70rpx;
  line-height: 70rpx;
  font-size: 28rpx;
  border-radius: 35rpx;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20rpx;
}

.section-title {
  font-size: 30rpx;
  font-weight: bold;
  color: #333;
  padding-left: 15rpx;
  border-left: 5rpx solid #FF6B81;
}

.section-count {
  font-size: 24rpx;
  color: #999;
  background-color: #f5f5f5;
  padding: 5rpx 15rpx;
  border-radius: 20rpx;
}

.product-list,
.spec-list {
  background-color: #fff;
  border-radius: 12rpx;
  padding: 30rpx;
  margin-bottom: 30rpx;
  box-shadow: 0 4rpx 12rpx rgba(0,0,0,0.08);
}

.product-items,
.spec-items {
  display: flex;
  flex-direction: column;
  gap: 15rpx;
}

.product-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 30rpx;
  border-radius: 10rpx;
  background-color: #f9f9f9;
  border: 1rpx solid #eee;
  transition: all 0.3s ease;
  cursor: pointer;
}

.spec-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 30rpx;
  border-radius: 10rpx;
  background-color: #f9f9f9;
  border: 1rpx solid #eee;
  transition: all 0.3s ease;
  cursor: pointer;
  flex-direction: column;
  gap: 15rpx;
}

.spec-info {
  flex: 1;
}

.spec-price-arrow {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10rpx;
  width: 100%;
}

.product-item:hover,
.spec-item:hover {
  background-color: #f0f0f0;
  transform: translateY(-2rpx);
  box-shadow: 0 4rpx 12rpx rgba(0,0,0,0.1);
}

.product-item.selected {
  background-color: #FFE6E6;
  border-color: #FF6B81;
  color: #FF6B81;
}

.product-name,
.spec-name {
  font-size: 28rpx;
  color: #333;
  flex: 1;
}

.spec-price {
  font-size: 28rpx;
  font-weight: bold;
  color: #FF6B81;
  margin-right: 20rpx;
}

.product-item.selected .product-name {
  color: #FF6B81;
  font-weight: bold;
}

.product-arrow,
.spec-arrow {
  font-size: 30rpx;
  color: #999;
  margin-left: 20rpx;
}

.product-item.selected .product-arrow {
  color: #FF6B81;
}

.hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100rpx 0;
  color: #999;
  font-size: 28rpx;
}

.hint-icon {
  font-size: 80rpx;
  margin-bottom: 30rpx;
}

/* 响应式设计 */
@media (max-width: 375px) {
  .content {
    padding: 15rpx;
  }
  
  .product-list,
  .spec-list {
    padding: 20rpx;
  }
  
  .product-item,
  .spec-item {
    padding: 20rpx;
  }
  
  .title {
    font-size: 32rpx;
  }
  
  .section-title {
    font-size: 26rpx;
  }
  
  .product-name,
  .spec-name {
    font-size: 26rpx;
  }
}