html {
  -ms-touch-action: none;
}

body, canvas, div {
  display: block;
  outline: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);

  user-select: none;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

/* Remove spin of input type number */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    /* display: none; <- Crashes Chrome on hover */
    -webkit-appearance: none;
    margin: 0; /* <-- Apparently some margin are still there even though it's hidden */
}

body {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  margin: 0;

  cursor: default;
  color: #888;
  background-color: #191019;

  text-align: center;
  font-family: Helvetica, Verdana, Arial, sans-serif;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  overflow: hidden;
}

canvas {
  background-color: rgba(0, 0, 0, 0);
}

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

/* WEB-BETA 桌面横屏适配：竖屏游戏（设计 750x1334，FIXED_WIDTH）在横屏
 * 窗口直接铺满会把可视高度压到 ~420 设计像素、UI 全部挤进中带。
 * 这里把画布容器钳制为设计比例（750:1334）居中 letterbox：
 *   - 手机竖屏（vw 为限制边）＝ 全屏铺满，行为不变；
 *   - 桌面横屏（vh 为限制边）＝ 9:16 居中 + 两侧暗边，可视尺寸回到设计基线。
 * 本规则必须位于上方 100% 通配组之后（同特异性后者覆盖）。
 */
#GameDiv {
  position: relative;
  width: min(100vw, calc(100vh * (750 / 1334))) !important;
  height: min(100vh, calc(100vw * (1334 / 750))) !important;
}

:root {
  --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);
}