.car-nav-container {
    max-width: 1200px;
    margin: 20px auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  }
  
  .car-brand-card {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    margin-bottom: 20px;
    background-color: #ffffff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    overflow: hidden;
  }
  
  .car-brand-header {
    background-color: #f8fafc;
    padding: 12px 20px;
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
  }

  .car-brand-header::before {
    content: "";
    display: inline-block;
    width: 4px;
    height: 16px;
    background-color: #2563eb; /* 店铺主题色，可修改 */
    margin-right: 10px;
    border-radius: 2px;
  }

  .car-model-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
    padding: 16px 20px;
  }

  .car-model-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 9px 12px;
    background-color: #f1f5f9;
    color: #334155;
    text-decoration: none;
    border-radius: 6px;
    font-size: 13.5px;
    text-align: center;
    transition: all 0.2s ease;
    word-break: break-word;
  }

  .car-model-link:hover {
    background-color: #2563eb;
    color: #ffffff;
    transform: translateY(-1px);
    text-decoration: none;
  }

  /* 手机端适配 */
  @media (max-width: 640px) {
    .car-model-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 8px;
      padding: 12px;
    }
    .car-model-link {
      font-size: 12.5px;
      padding: 8px 6px;
    }
  }