   /* 基础样式重置 */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    }

    body {
      background-color: #f5f7fa;
      color: #333;
      line-height: 1.6;
    }

    /* 主要内容区域 */
    .main-container {
      max-width: 1200px;
      margin: 30px auto;
      padding: 0 20px;
      display: flex;
      gap: 30px;
    }

    .product-detail-container {
      display: flex;
      gap: 20px;
      margin-top: 20px;
    }

    .product-main {
      background: rgb(255, 255, 255);
      padding: 20px;
      flex: 0 0 65%;
      max-width: 65%;
      border: 1px solid #eaeaea;
      border-radius: 8px;
      overflow: hidden;
      transition: all 0.3s;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
      /* 默认阴影 */
      transition: transform 0.3s, box-shadow 0.3s;
      /* 过渡效果 */
    }

    .product-main:hover {
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
      /* 悬停时更深的阴影 */
      transform: translateY(-5px);
      /* 同时有上移效果 */
    }


    .product-sidebar {
      background: rgb(255, 255, 255);
      flex: 0 0 35%;
      padding: 20px;
      max-width: 35%;
      border-radius: 8px;
      overflow: hidden;
      transition: all 0.3s;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
      /* 默认阴影 */
      transition: transform 0.3s, box-shadow 0.3s;
      /* 过渡效果 */
    }

    .product-sidebar:hover {
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
      /* 悬停时更深的阴影 */
      transform: translateY(-5px);
      /* 同时有上移效果 */
    }


    .product-gallery {
      position: relative;
      height: 400px;
      overflow: hidden;
      border-radius: 8px;
      margin-bottom: 20px;
      background: #f5f5f5;
    }

    .product-gallery img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      position: absolute;
      top: 0;
      left: 0;
      opacity: 0;
      transition: opacity 0.5s ease;
    }

    .product-gallery img.active {
      opacity: 1;
    }

    .product-title {
      font-size: 24px;
      color: #333;
      margin-bottom: 15px;
      padding-bottom: 10px;
      border-bottom: 1px solid #eee;
    }

    .product-specs {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 15px;
      margin-bottom: 20px;
    }

    .spec-item {
      display: flex;
      align-items: center;
    }

    .spec-item i {
      margin-right: 10px;
      color: #1a73e8;
    }

    .product-description {
      line-height: 1.8;
      color: #555;
    }

    .product-description h3 {
      color: #333;
      margin: 20px 0 10px;
    }

    .product-description p {
      margin-bottom: 15px;
    }

    .contact-card {
      background-color: #f5f7fa;
      padding: 20px;
      border-radius: 8px;
      margin-bottom: 20px;
    }

    .contact-card h3 {
      margin-top: 0;
      padding-bottom: 10px;
      border-bottom: 1px solid #eee;
    }

    .contact-info {
      margin-bottom: 15px;
    }

    .contact-info i {
      margin-right: 10px;
      color: #1a73e8;
    }

    .similar-products h3 {
      margin-top: 0;
      padding-bottom: 10px;
      border-bottom: 1px solid #eee;
    }

    .similar-product {
      display: flex;
      align-items: center;
      margin-bottom: 15px;
      padding-bottom: 15px;
      border-bottom: 1px dashed #eee;
    }

    .similar-product:last-child {
      border-bottom: none;
    }

    .similar-product-img {
      width: 60px;
      height: 60px;
      margin-right: 15px;
      background: #f5f5f5;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 4px;
    }

    .similar-product-img i {
      font-size: 24px;
      color: #666;
    }

    .similar-product-info h4 {
      margin: 0 0 5px;
      font-size: 16px;
    }

    .similar-product-info p {
      margin: 0;
      font-size: 14px;
      color: #666;
    }

    @media (max-width: 768px) {
      .product-detail-container {
        flex-direction: column;
      }

      .product-main,
      .product-sidebar {
        flex: 0 0 100%;
        max-width: 100%;
      }

      .product-gallery {
        height: 300px;
      }

      .product-specs {
        grid-template-columns: 1fr;
      }
    }