/* 产品列表样式 - 一行四个 */
.model-list {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  margin: 0 -8px;
  padding-left: 30px;
}

.model-item {
  flex: 0 0 25%;
  margin: 0;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: normal;
  box-sizing: border-box;
}

.model-item a {
  color: #555;
  text-decoration: none;
  transition: color 0.3s;
  display: block;
  padding: 4px 0;
  border-bottom: 1px dotted #ddd;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.model-item a:hover {
  color: #258C44;
  text-decoration: underline;
  background-color: #f9f9f9;
  padding-left: 5px;
}

/* 栏目标题样式 */
.product-catalog-title {
  margin: 20px 0 15px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid #eee;
  padding-left: 30px;
}

.product-catalog-title h1 {
  font-size: 20px;
  color: #333;
  margin: 0;
  font-weight: 600;
}

/* 联系我们区块 */
.catalog-contact-section {
  margin-top: 30px;
  padding: 15px;
  background: #f5f5f5;
  text-align: center;
}

.catalog-contact-section h3 {
  color: #333;
  margin-bottom: 5px;
  font-size: 16px;
  font-weight: 600;
}

.catalog-contact-section p {
  color: #666;
  margin: 0;
  font-size: 13px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .model-item {
    flex: 0 0 50%; /* 手机端一行两个 */
    padding: 6px 8px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .model-item {
    flex: 0 0 50%; /* 小屏手机也保持一行两个 */
    padding: 5px 6px;
    font-size: 11px;
  }
  
  /* 在非常小的屏幕上调整内边距 */
  @media (max-width: 360px) {
    .model-item {
      padding: 4px 5px;
      font-size: 10px;
    }
  }
}