:root { --bg:#0f1220; --fg:#f7f7fb; --muted:#b8b9c9; --accent:#7cf; --card:#171a2b; }
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:linear-gradient(180deg,#0f1220,#0b0e1a);color:var(--fg);line-height:1.6}
.header{max-width:1040px;margin:0 auto;padding:24px 20px 0;display:flex;align-items:center;gap:14px}
.logo{display:inline-flex;width:36px;height:36px;border-radius:10px;background:radial-gradient(circle at 30% 30%,#9ff, #58f 35%, #124 80%);box-shadow:0 8px 30px rgba(124,204,255,.25)}
.site{font-weight:700;letter-spacing:.3px}
.hero{max-width:1040px;margin:0 auto;padding:48px 20px}
h1{font-size:38px;line-height:1.15;margin:.2em 0 .4em}
p{color:var(--muted);margin:.5em 0 1em}
.card{background:var(--card);border:1px solid #23263b;border-radius:18px;padding:22px;margin:18px 0;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.cta{display:inline-block;margin-top:14px;padding:12px 16px;border-radius:12px;background:var(--accent);color:#04121e;text-decoration:none;font-weight:700}
.nav{max-width:1040px;margin:0 auto;padding:0 20px 24px;display:flex;gap:16px;flex-wrap:wrap}
.nav a{color:#9cc7ff;text-decoration:none}
footer{max-width:1040px;margin:0 auto;padding:18px 20px 48px;color:#8a8ca0}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:#0b0f1a;border:1px solid #1b2033;border-radius:10px;padding:10px;display:block;white-space:pre-wrap}