:root{--optimized-font-family: "Noto Sans SC", "Noto Sans TC", "Noto Sans JP", "Noto Sans KR", "Noto Sans", system-ui, sans-serif;font-family:var(--optimized-font-family);line-height:1.5;font-weight:400;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;padding:0;width:100%;height:100vh;height:calc(var(--vh, 1vh) * 100);overflow:hidden;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);touch-action:pan-y;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}*{box-sizing:border-box}#root{width:100%;height:100vh;overflow:hidden}