:root{--ink:#111827;--muted:#475569;--line:#e5e7eb;--paper:#fbfbf8;--surface:#ffffff;--green:#22c55e;--blue:#3b82f6;--red:#ef4444;--yellow:#f59e0b}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}.site-footer,.site-header{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:18px clamp(20px,5vw,72px);border-bottom:1px solid var(--line);background:rgba(255,255,255,.92)}.site-footer{border-top:1px solid var(--line);border-bottom:0;color:var(--muted)}.brand,.site-nav{display:flex;align-items:center;gap:18px}.brand{font-size:20px;font-weight:850}.site-nav a{color:var(--muted);font-weight:650}.brand-mark{display:grid;grid-template-columns:repeat(2,10px);grid-gap:2px;gap:2px}.brand-mark i{display:block;width:10px;height:10px}.brand-mark i:first-child{background:var(--green)}.brand-mark 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