:root{--bg:#070b20;--panel:rgba(17,24,61,.82);--line:rgba(143,171,255,.18);--text:#f7f8ff;--muted:#a9b4d9}*{box-sizing:border-box}body{margin:0;color:var(--text);background:radial-gradient(circle at 20% 0,#40208f 0,transparent 30%),var(--bg);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}main{width:min(100% - 28px,820px);margin:35px auto 70px;padding:32px;border:1px solid var(--line);border-radius:28px;background:var(--panel)}a{color:#8ec9ff}header{display:flex;justify-content:space-between;gap:15px;margin-bottom:30px;color:var(--muted)}header a{text-decoration:none}h1{font-size:38px;line-height:1.1;letter-spacing:-.04em}h2{margin-top:32px;font-size:22px}p,li{color:#d5dcf5}.muted{color:var(--muted)}@media(max-width:600px){main{margin:14px auto;padding:20px;border-radius:20px}h1{font-size:30px}}