/* _games/pinpong/style.css */
body {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #1a1a1a;
  overflow: hidden;
  font-family: Arial, sans-serif;
}

canvas {
  border: 4px solid #444;
  background-color: #000;
  border-radius: 8px;
  cursor: none; /* 隱藏滑鼠，讓操作感更好 */
}