html, body { margin:0; width:100%; height:100%; overflow:hidden; background:#102e35; }
#GameDiv { width:100%; height:100%; position:absolute; inset:0; }
#Cocos3dGameContainer, #GameCanvas { width:100%; height:100%; }
canvas { display:block; outline:none; touch-action:none; }

:root { --safe-top:env(safe-area-inset-top,0px); --safe-bottom:env(safe-area-inset-bottom,0px); --safe-left:env(safe-area-inset-left,0px); --safe-right:env(safe-area-inset-right,0px); }