:root{color-scheme:dark;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;background:#080f20;color:#e2e8f0;line-height:1.75}*{box-sizing:border-box}body{margin:0}main{max-width:860px;margin:48px auto;padding:36px;background:#101a2d;border:1px solid #26344c;border-radius:18px}nav{display:flex;flex-wrap:wrap;gap:18px}a{color:#93c5fd;text-underline-offset:4px}a:hover{color:#fff}a:focus-visible{outline:2px solid #93c5fd;outline-offset:4px}h1{font-size:clamp(1.8rem,5vw,2.4rem);line-height:1.25}h2{margin-top:30px;font-size:1.2rem;color:#fff}.meta,footer{color:#a8b6cc}footer{border-top:1px solid #26344c;margin-top:32px;padding-top:20px;font-size:.9rem}.notice{padding:16px;border-left:3px solid #60a5fa;background:#152440;border-radius:4px}@media(max-width:600px){main{margin:16px;padding:22px}nav{gap:12px}}