*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:#fff}a{color:inherit}.app{min-height:100vh;display:flex;flex-direction:column;color:#0f172a;background:radial-gradient(circle at top,#e0f2fe,#fff 45%)}.app-header{padding:64px 24px 24px;text-align:center}.app-header h1{font-size:2.75rem;margin-bottom:12px}.app-header p{font-size:1.125rem;color:#475569}.app-body{flex:1;display:flex;justify-content:center;align-items:flex-start;padding:24px}.card{width:min(640px,100%);background:#fff;padding:24px;border-radius:16px;box-shadow:0 12px 30px #0f172a1f}.card h2{margin-bottom:12px}.card ul{padding-left:20px;color:#334155}