:root{--bg:#f7f6f1;--card:#fff;--ink:#1a1a17;--muted:#5f6157;--line:#e7e4db;--brand:#1c4d3e;--brand-dark:#143a2f;--brand-tint:#e8efe9;--brand-ink:#235c48;--radius:12px;--shadow:0 1px 2px rgba(18,28,48,.05),0 4px 16px rgba(18,28,48,.06);--shadow-hover:0 3px 8px rgba(18,28,48,.09),0 12px 30px rgba(18,28,48,.11);--g4:#1f7a4d;--g3:#2f7fd0;--g2:#d9871f;--g1:#c23b3b;--g0:#8a919c}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{letter-spacing:-.02em;line-height:1.2}h2{margin-top:28px;font-size:1.25rem}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:var(--brand);border-bottom:1px solid var(--brand-dark)}.header-inner{max-width:960px;margin:0 auto;padding:13px 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