:root{--bg:#fbfaf8;--surface:#fff;--ink:#191817;--muted:#6f6b67;--line:#e8e3de;--accent:#6f4e65;--accent2:#f2eaf0;--ok:#176b4d;--warn:#945c17;--radius:18px;--shadow:0 12px 35px rgba(35,28,32,.06)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.62}a{color:inherit}.shell{width:min(1120px,calc(100% - 32px));margin:auto}.siteHeader{position:-webkit-sticky;position:sticky;top:0;z-index:30;background:rgba(251,250,248,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.headerInner{min-height:68px;justify-content:space-between;gap:20px}.brand,.headerInner{display:flex;align-items:center}.brand{gap:10px;text-decoration:none}.brandMark{display:grid;place-items:center;width:36px;height:36px;background:var(--accent);color:#fff;border-radius:12px;font-weight:800}.brand 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