body{margin:0;background:#f0f0f0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}#app{max-width:430px;min-height:100vh;margin:0 auto;background:#f7f8fa;box-shadow:0 0 20px #0000001a}@media (min-width: 431px){body{background:#e8e8e8;padding:20px 0}#app{border-radius:12px;overflow:hidden}}