html, body {
  margin: 0;
  padding: 0;
  background-color: #f0f0f0;
  overflow: hidden;
  width: 100%;
  height: 100%;
}

#scaled-wrapper {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

#scaled-content {
  width: 400px;
  height: 300px;
  transform-origin: top left;
  image-rendering: pixelated;
  transform: scale(calc(100vw / 400));
  /* 自动缩放到全屏（等比例） */
}

button {
  padding: 10px 20px;
  background-color: #3b82f6;
  color: white;
  border: none;
  border-radius: 5px;
  font-family: 'Press Start 2P', monospace; /* 可选像素字体 */
  font-size: 10px;
}

.dark-mode {
  background-color: #111;
  color: white;
}