:root{--bg:#f4f7fb;--surface:#fff;--surface-2:#eef3f9;--ink:#0f172a;--ink-2:#334155;--muted:#64748b;--line:#e2e8f0;--brand:#0d9488;--brand-strong:#0f766e;--brand-soft:#ccfbf1;--sky:#0ea5e9;--amber:#f59e0b;--amber-strong:#d97706;--radius:14px;--shadow:0 1px 2px #0f172a0d, 0 8px 24px #0f172a0f;--font:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;--maxw:72rem}@media (prefers-color-scheme:dark){:root{--bg:#0b1220;--surface:#111a2c;--surface-2:#1a2438;--ink:#e6edf7;--ink-2:#b6c2d4;--muted:#8b9ab0;--line:#24304a;--brand:#2dd4bf;--brand-strong:#5eead4;--brand-soft:#2dd4bf1f;--sky:#38bdf8;--amber:#fbbf24;--amber-strong:#f59e0b;--shadow:0 1px 2px #0000004d, 0 8px 24px #00000059}}*{box-sizing:border-box}html{font-family:var(--font);background:var(--bg);color:var(--ink);scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{background:radial-gradient(900px 420px at 85% -10%, var(--brand-soft), transparent 60%), var(--bg);min-height:100vh;color:var(--ink);margin:0;line-height:1.65}a{color:var(--brand-strong);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:var(--sky)}img{max-width:100%;height:auto}.container{width:min(var(--maxw), 100% - 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