:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;background:#07111f;color:#e8f1ff}main{width:min(680px,calc(100% - 2rem));padding:3rem;border:1px solid #263b55;border-radius:18px;background:#0d1b2e;box-shadow:0 24px 70px #0008}.brand{margin:0 0 2.5rem;color:#8fc5ff;font-weight:750;letter-spacing:.02em}h1{margin:0 0 1rem;font-size:clamp(2rem,7vw,3.5rem);line-height:1.05}p{margin:0;color:#b8c8dc;font-size:1.08rem;line-height:1.7}.notice{margin-top:2rem;padding:1rem 1.2rem;border-left:3px solid #4da3ff;background:#102642}a{color:#8fc5ff}