body { padding: 0; margin: 0; overflow: hidden; }
#unity-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh; /* 使用 vh 而非 dvh 以提高兼容性 */
  height: 100dvh; /* 支持的浏览器会使用动态视口高度 */
  min-height: -webkit-fill-available; /* iOS Safari 兼容 */
  z-index: 1;
  box-sizing: border-box;

  /* 安全区域适配 */
  padding-top: env(safe-area-inset-top);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  padding-bottom: env(safe-area-inset-bottom);}
#unity-canvas { width: 100%; height: 100%; background: #231F20 }
#unity-loading-bar { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: none }
#unity-logo { width: 154px; height: 130px; background: url('unity-logo-dark.png') no-repeat center }
#unity-progress-bar-empty { margin-left: auto; margin-right: auto; width: 141px; height: 18px; margin-top: 10px; background: url('progress-bar-empty-dark.png') no-repeat center }
#unity-progress-bar-full { width: 0%; height: 18px; margin-top: 10px; background: url('progress-bar-full-dark.png') no-repeat center }
#unity-warning { position: absolute; left: 50%; top: 5%; transform: translate(-50%); background: white; padding: 10px; display: none }