:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;font-weight:400;color:#213547;background-color:#fff}body{margin:0;min-height:100vh;display:flex;place-items:center}#app{width:100%;text-align:center}.container{max-width:1280px;margin:0 auto;padding:2rem}h1{font-size:2.5em;line-height:1.1;margin-bottom:1rem}