<style>
  .portrait-map-container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    padding-top: 160%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }

  .portrait-map-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
  }
</style>
