:root{color-scheme:dark;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#03070d;color:#e8f8ff}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 50% 0,#073150 0,transparent 42%),#03070d;line-height:1.65}main{width:min(900px,calc(100% - 32px));margin:0 auto;padding:64px 0}.brand{color:#51d9ff;letter-spacing:.28em;font-weight:800;text-transform:uppercase}.card{margin-top:28px;padding:clamp(24px,5vw,52px);border:1px solid #174866;border-radius:24px;background:rgba(4,17,28,.88);box-shadow:0 20px 70px rgba(0,0,0,.35)}h1{margin:.2em 0;color:#fff;font-size:clamp(2rem,6vw,4rem);line-height:1.05}h2{margin-top:2rem;color:#78e2ff}a{color:#67dcff}nav{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px}nav a{padding:10px 16px;border:1px solid #216181;border-radius:999px;text-decoration:none}p,li{color:#c3d8e2}.notice{padding:14px 18px;border-left:3px solid #44d4ff;background:#082233;color:#d9f6ff}footer{margin-top:34px;color:#7793a2;font-size:.9rem}