:root{--bg:#eef2f7;--surface:#fff;--surface-soft:#f5f7fb;--text:#18202f;--muted:#667085;--border:#dfe6f0;--primary:#155eef;--primary-hover:#0f49ba;--primary-soft:#e8f1ff;--notice-text:#123d7a;--shadow:0 16px 40px #10182814;--hero-start:#101827;--hero-mid:#17345d;--hero-end:#0f766e;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=dark]{--bg:#0d111a;--surface:#151b27;--surface-soft:#1d2635;--text:#ecf1f8;--muted:#a7b0c0;--border:#293447;--primary:#62a0ff;--primary-hover:#8ab8ff;--primary-soft:#172b4d;--notice-text:#d7e8ff;--shadow:0 18px 50px #00000047;--hero-start:#090d15;--hero-mid:#14243a;--hero-end:#0f4d4a}*{box-sizing:border-box}body{background:radial-gradient(circle at 12% 8%, #155eef1f, transparent 32%), linear-gradient(180deg, var(--bg), 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