:root{--bg:#fff;--bg-soft:#f6f8fc;--bg-hero1:#eef4ff;--bg-hero2:#e8fbff;--card:#fff;--card2:#fbfcfe;--line:#e3e9f3;--line2:#d3dcec;--txt:#0f1729;--sub:#5a6b88;--mut:#8b9bb4;--brand:#2563eb;--brand2:#0891b2;--brand-soft:#eaf1ff;--kicker:#0e7490;--ok:#16a34a;--gold:#d97706;--warn:#dc2626;--shadow:0 10px 30px rgba(21,42,86,.08);--shadow-lg:0 26px 60px rgba(21,42,86,.14);--chrome:#f3f5fa;--chrome-txt:#7b8aa6;--radius:16px}html[data-theme="dark"]{--bg:#080b14;--bg-soft:#0c1120;--bg-hero1:#0d1730;--bg-hero2:#08202b;--card:#111a2c;--card2:#0f1728;--line:#1e2a44;--line2:#2b3f66;--txt:#e8edf7;--sub:#9aa8c2;--mut:#7d8cab;--brand:#3b82f6;--brand2:#22d3ee;--brand-soft:rgba(59,130,246,.14);--kicker:#22d3ee;--ok:#22c55e;--gold:#f59e0b;--warn:#f87171;--shadow:0 10px 30px rgba(0,0,0,.4);--shadow-lg:0 26px 70px rgba(0,0,0,.6);--chrome:#111a2c;--chrome-txt:#7c8bab}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--txt);font:16px/1.75 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