body {
    font-family: sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 1rem;
    text-align: center;
  }
  
  h1 {
    margin-bottom: 2rem;
  }
  
  .product-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
  }
  
  .product-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    width: 300px;
    padding: 1rem;
    text-align: center;
    transition: 0.3s;
  }
  
  .product-card:hover {
    transform: scale(1.02);
  }
  
  .product-card img {
    width: 100%;
    height: auto;
    border-radius: 8px;
  }
  
  .product-card h2 {
    font-size: 1.1rem;
    margin: 0.5rem 0;
    color: #0066cc;
  }
  
  .buy-button {
    display: inline-block;
    margin-top: 0.8rem;
    padding: 0.5rem 1rem;
    background-color: #28a745;
    color: white;
    border-radius: 5px;
    text-decoration: none;
  }
  
  .buy-button:hover {
    background-color: #218838;
  }
  
  .compat-list {
    display: none;
    margin-top: 0.5rem;
    padding-left: 1.5rem;
    text-align: left;
  }
  
  .compat-list.open {
    display: block;
  }
  
  .toggle-button {
    margin-top: 1rem;
    background-color: #007bff;
    color: white;
    padding: 0.4rem 0.8rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
  }
  
  .toggle-button:hover {
    background-color: #0056b3;
  }