:root{--bg:#070b16;--panel:#0f172a;--text:#e5e7eb;--muted:#a8b3cf;--brand:#7dd3fc;--brand2:#c084fc;--accent:#34d399;--line:rgba(255,255,255,.13);--orange:#fb923c}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:radial-gradient(circle at top left,#133a2b 0,#07111f 38%,#05070d 100%);color:var(--text);line-height:1.6}a{text-decoration:none;color:inherit}.wrap{width:min(1180px,92%);margin:auto}.topbar{position:sticky;top:0;z-index:20;background:rgba(7,11,22,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 0}.logo{font-weight:900;letter-spacing:.4px}.logo span{color:var(--orange)}.menu{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.menu a{font-size:12.5px;color:var(--muted);padding:7px 9px;border:1px solid transparent;border-radius:999px}.menu a:hover,.menu a.active{color:white;border-color:var(--line);background:rgba(255,255,255,.07)}.mobile-toggle{display:none;background:transparent;color:white;border:1px solid var(--line);border-radius:10px;padding:8px 10px}.hero{padding:72px 0 44px}.kicker{color:var(--accent);font-weight:800;text-transform:uppercase;letter-spacing:1.8px;font-size:13px}.hero h1{font-size:clamp(36px,6vw,72px);line-height:.99;margin:14px 0;max-width:1000px}.hero p{font-size:20px;color:var(--muted);max-width:880px}.btnrow{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-block;padding:12px 18px;border-radius:14px;background:linear-gradient(135deg,var(--orange),var(--brand2));color:#06101f;font-weight:900}.btn.alt{background:rgba(255,255,255,.06);color:#fff;border:1px solid var(--line)}.section{padding:42px 0}.section h2{font-size:32px;margin:0 0 14px}.lead{color:var(--muted);max-width:880px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:18px;margin-top:24px}.card{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 20px 60px rgba(0,0,0,.22)}.card h3{margin:0 0 8px}.card p,.card li{color:var(--muted)}.grid11{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:24px}.node{border:1px solid var(--line);border-radius:18px;padding:18px;background:linear-gradient(145deg,rgba(251,146,60,.14),rgba(52,211,153,.07));min-height:145px}.node strong{color:#fff}.node span{display:inline-block;font-weight:900;color:var(--orange);margin-bottom:8px}.wide{grid-column:span 2}.table{width:100%;border-collapse:collapse;margin-top:18px}.table th,.table td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}.table th{background:rgba(255,255,255,.08)}.table td{color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;gap:20px}.formula{font-family:Consolas,monospace;background:#020617;border:1px solid var(--line);border-radius:18px;padding:18px;color:#fed7aa;overflow:auto}.footer{margin-top:60px;padding:26px 0;border-top:1px solid var(--line);color:var(--muted);font-size:14px}@media(max-width:960px){.split{grid-template-columns:1fr}.wide{grid-column:auto}.mobile-toggle{display:block}.menu{display:none;width:100%;padding-bottom:14px}.menu.open{display:flex}.nav{align-items:flex-start;flex-wrap:wrap}}@media(max-width:520px){.hero{padding-top:44px}.menu a{width:100%}}