body {
  display: flex;
  flex-direction: column;
  margin: 0;
  font-family: 'Arial', sans-serif;
  min-height: 100vh;
}

.container {
  width: 100%;
  height: 100vh;
  margin: 0;
  border: 1px solid #ccc;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

iframe {
  width: 100%;
  height: 100%;
  border: none;
  overflow: hidden; /* 隱藏內部捲動條 */
}