:root{--bg:#0B1630;--bg2:#1B3366;--fg:#fff;--muted:rgba(255,255,255,.72);--card:rgba(255,255,255,.07);--line:rgba(255,255,255,.12);--accent:#4FD1FF}
*{box-sizing:border-box}body{margin:0;font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--fg);background:linear-gradient(180deg,var(--bg),var(--bg2));min-height:100vh}
main{max-width:720px;margin:0 auto;padding:48px 16px 64px}h1{font-size:2rem;line-height:1.2;margin:0 0 8px}h2{font-size:1.2rem;margin:32px 0 8px}
p,li{color:var(--muted)}a{color:var(--accent)}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px 24px;margin-top:24px}
nav{display:flex;gap:16px;margin-bottom:32px}nav a{text-decoration:none}.small{font-size:.9rem}