:root{--bg:#f4f7fb;--panel:#fff;--text:#162033;--muted:#61708a;--line:#dbe3ef;--primary:#3157d5;--primary2:#6d4eff;--ok:#078b72;--warn:#b86b00;--danger:#c73d4d;--shadow:0 14px 40px rgba(27,42,77,.10);--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit}.wrap{width:min(1180px,calc(100% - 32px));margin:auto}.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{height:68px;display:flex;align-items:center;gap:22px}.brand{font-weight:900;font-size:23px;text-decoration:none;letter-spacing:-.5px}.brand b{color:var(--primary)}.navlinks{display:flex;gap:18px;margin-left:auto}.navlinks a,.lang{color:var(--muted);text-decoration:none;font-weight:650}.lang{padding:8px 11px;border:1px solid var(--line);border-radius:10px}.hero{padding:70px 0 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