:root{font-family:Inter,ui-rounded,SF Pro Rounded,PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:#3e5665;background:#e7f0f2;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;overflow:hidden;overscroll-behavior:none;background:#e7f0f2}body{user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}#app{width:100vw;height:100vh;height:100dvh;padding:env(safe-area-inset-top,0) env(safe-area-inset-right,0) env(safe-area-inset-bottom,0) env(safe-area-inset-left,0);background:#e7f0f2}#game-canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab;outline:none}#game-canvas:active{cursor:grabbing}@media(min-width:700px){#app{width:min(100vw,480px);margin:0 auto;box-shadow:0 0 60px #304c5a29}}