:root{color-scheme:light dark;--bg:#07111f;--card:#111f32;--text:#edf4ff;--muted:#b9c8d9;--accent:#57ddb9;--line:#2a4058}*{box-sizing:border-box}body{margin:0;background:linear-gradient(145deg,#07111f,#0a1728 58%,#0d2232);color:var(--text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}main{max-width:820px;margin:auto;padding:56px 22px 80px}.brand{display:inline-flex;align-items:center;gap:12px;color:var(--accent);font-weight:800;letter-spacing:.02em}.mark{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:#155f4f;color:white;font-size:25px}h1{font-size:clamp(2.2rem,7vw,4.5rem);line-height:1.05;margin:28px 0 18px}h2{margin-top:34px;color:var(--accent)}p,li{color:var(--muted)}code{overflow-wrap:anywhere;color:var(--text)}.lead{font-size:1.2rem;max-width:680px}.card{margin-top:32px;padding:26px;border:1px solid var(--line);border-radius:22px;background:color-mix(in srgb,var(--card) 88%,transparent);box-shadow:0 18px 55px #0004}.links{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}a{color:var(--accent)}.links a{padding:10px 15px;border:1px solid var(--line);border-radius:999px;text-decoration:none}.links a:hover{border-color:var(--accent)}footer{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:.92rem}strong{color:var(--text)}@media(prefers-color-scheme:light){:root{--bg:#f5faf9;--card:#fff;--text:#10231f;--muted:#48635c;--line:#cadbd6}body{background:linear-gradient(145deg,#f5faf9,#edf7f4)}}