:root{--bg:#f6f4ee;--ink:#17211d;--muted:#5f6965;--line:#ded9cd;--panel:#fffdf8;--forest:#2f6f4e;--rust:#c45a2d;--sky:#4f6fb5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.6}a{color:inherit}img{display:block;max-width:100%}.site-shell{min-height:100vh;display:flex;flex-direction:column}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{border-bottom:1px solid var(--line);background:rgba(246,244,238,.94);position:-webkit-sticky;position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:800;text-decoration:none;letter-spacing:0}.nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px 14px;font-size:14px}.nav a{text-decoration:none;color:var(--muted);font-weight:700}.nav 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