*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:#f0f2f5;color:#111;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:inherit}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}