:root{--bg: #f3f6f8;--surface: #ffffff;--ink: #14212b;--muted: #5f6f7c;--line: #d7e0e7;--accent: #c8202a;--accent-dark: #9f171f;--blue: #1f5d73;--green: #17653a;--shadow: 0 18px 45px rgba(20, 33, 43, .08);color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-padding-top:180px}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.55}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}img{display:block;max-width:100%}.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px clamp(18px,5vw,72px);border-bottom:1px solid rgba(217,225,229,.86);background:#fffffff0;backdrop-filter:blur(14px);box-shadow:0 14px #fffffff0}.brand{display:inline-flex;align-items:center;min-width:min(420px,72vw)}.brand 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