body {
        font-family: Roboto, sans-serif;
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }
      .container {
        display: flex;
        flex-wrap: wrap;
        max-width: 1200px;
        margin: 0 auto;
      }
      .row {
        display: flex;
        width: 100%;
        margin-bottom: 20px;
        margin-left: auto;
        margin-right: auto;
      }
      .text-column {
        flex: 1;
        padding: 20px;
        width: 50%;
      }
      .model-column {
        width: 50%;
        aspect-ratio: 1 / 1;
      }
      model-viewer {
        width: 100%;
        height: 100%;
        background-color: #f0f0f0;
      }