:root {
  --game-background: #f6fbff;
  --safe-top: env(safe-area-inset-top);
  --safe-right: env(safe-area-inset-right);
  --safe-bottom: env(safe-area-inset-bottom);
  --safe-left: env(safe-area-inset-left);
}

html,
body {
  margin: 0;
  overflow: hidden;
  background: var(--game-background);
}

html {
  width: 100%;
  height: 100%;
}

body {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: default;
}

body,
canvas,
div,
main {
  outline: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#GameDiv {
  position: absolute;
  inset: 0;
  box-sizing: border-box !important;
  overflow: hidden !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  background: var(--game-background);
}

#Cocos3dGameContainer,
#GameCanvas {
  width: 100%;
  height: 100%;
}

#GameCanvas {
  display: block;
  background: var(--game-background);
}

@media (min-aspect-ratio: 9 / 16) {
  #GameDiv {
    right: auto;
    left: 50%;
    height: 100%;
    aspect-ratio: 9 / 16;
    transform: translateX(-50%);
  }
}