:root{--bg:#fafaf8;--surface:#fff;--border:#e6e4dd;--border-strong:#d3d1c7;--text:#1a1a18;--text-muted:#5f5e5a;--accent:#185fa5;--accent-bg:#e6f1fb;--teal:#0f6e56;--teal-bg:#e1f5ee;--amber:#854f0b;--amber-bg:#faeeda;--danger:#a32d2d;--danger-bg:#fcebeb;--on-accent:#fff;--radius:12px;--radius-sm:8px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}.container{max-width:880px;margin:0 auto;padding:2rem 1.25rem 4rem}.site-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;border-bottom:.5px solid var(--border);background:var(--surface)}.brand{font-weight:500;letter-spacing:-.01em}.brand .at{color:var(--accent)}.muted{color:var(--text-muted)}h1{font-size:26px;letter-spacing:-.02em}h1,h2{font-weight:500;margin:0 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