body{font-family:system-ui,sans-serif;margin:0;background:#f5f6f8;color:#1f2430}main{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2rem;padding:2rem 1.25rem;box-sizing:border-box;text-align:center}.card{max-width:560px;background:#fff;padding:3rem 2rem;border-radius:12px;box-shadow:0 4px 24px rgba(0,0,0,.06)}h1{margin:0;font-size:clamp(1.8rem,6vw,2.6rem);letter-spacing:.02em}.divider{width:56px;height:4px;margin:1.25rem auto;background:#d9381e;border-radius:2px}h2{margin:0 0 1rem;font-size:clamp(1.1rem,4vw,1.4rem);font-weight:600}p{margin:0;line-height:1.6;color:#4a5160}footer{font-size:.85rem;color:#8a909c}