*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:#f5f7fa;min-height:100vh}input,button,textarea,select{font-family:inherit}button{cursor:pointer;transition:opacity .15s}button:hover{opacity:.88}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#00000026;border-radius:3px}