.header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 999;

      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  }



  body {
      font-family: "Segoe UI", sans-serif;
      /* background-color: #f5faff; */
      margin: 0;
      padding: 0;
      color: #333;
      padding-top: 150px;
      /* 根据 header 高度适当调整 */

  }

  .header-title {
      /* background-color: #d0ebff; */
      /* 使用你主色调 */
      color: #005ea8;
      /* 深蓝色字体，稳重专业 */
      font-size: 1.8rem;
      /* 稍大字体显示重要性 */
      font-weight: 600;
      /* 中等偏粗，避免太重 */
      text-align: center;
      padding: 1.2rem 0;
      margin-bottom: 2rem;
      border-bottom: 2px solid #b3d9ff;
      /* 提升层次感 */
      letter-spacing: 1px;
      background: linear-gradient(to right, #d0ebff, #e9f5ff);
      box-shadow: 0 2px 6px rgba(0, 110, 180, 0.1);
  }

  h2 {
      font-size: 20px;
      font-weight: 500;
      /* color: #0077cc; */
      color: black;
      /* 清爽蓝 */
      margin: 1.5rem 0 1rem;
      padding-bottom: 0.3rem;
      border-bottom: 0px solid #d0ebff;
      /* 浅蓝色底线 */
  }

  .h2-icon {
      margin-right: 8px;
      font-size: 1em;
      color: #0077cc;
      vertical-align: middle;
  }


  .container {
      max-width: 1200px;
      margin: 2rem auto;
      padding: 0 1rem;
  }

  .product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: 1.5rem;
  }


  .product-link {
      text-decoration: none;
      color: inherit;
  }

  .product-card {
      background-color: #ffffff;
      border: 1px solid #d6eaff;
      border-radius: 8px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: box-shadow 0.3s;
  }

  .product-card:hover {
      box-shadow: 0 4px 12px rgba(0, 140, 255, 0.15);
  }

  .product-model {
      background-color: #d0ebff;
      color: #005ea8;
      font-weight: bold;
      text-align: center;
      padding: 0.5rem;
      font-size: 0.95rem;
      border-bottom: 1px solid #b3d9ff;
  }

  .image-wrapper {
      width: 100%;
      height: 280px;
      /*  固定高度 */
      background-color: #e0f0ff;
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 10px;
      box-sizing: border-box;
      border-radius: 6px;
      border: 1px solid #cce5ff;
  }

  .product-image {
      /* width: 100%; */
      /* height: 300px; */
      /* object-fit: cover; */
      max-height: 100%;
      max-width: 100%;
      object-fit: contain;
      /* background-color: #e0f0ff; */
      display: block;
      /* padding: 10px;   */
      /* max-height: 100%;  */
  }

  .product-info {
      padding: 1rem;
  }

  .product-title {
      font-size: 1.0rem;
      font-weight: bold;
      margin-bottom: 0.5rem;
      color: #0077cc;
      white-space: nowrap;
      /* ✅ 强制一行显示 */
      overflow: hidden;
      /* ✅ 隐藏超出部分 */
      text-overflow: ellipsis;
      /* ✅ 可选：加省略号 */

  }

  .product-desc {
      font-size: 0.90rem;
      color: #444;
      line-height: 1.4;
  }