:root { color-scheme: dark; }

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 100%;
  height: 100%;
  background: #0b0e13;
  overflow: hidden;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: ui-monospace, Menlo, Consolas, 'Courier New', monospace;
}

#stage {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

canvas#game {
  /* 保持像素边缘清晰：禁止插值模糊 */
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #000;
  box-shadow: 0 0 24px rgba(0, 0, 0, 0.85);
}

noscript {
  color: #eee;
  padding: 16px;
}