:root{--bg: #f5f6fa;--surface: #ffffff;--ink: #14213d;--muted: #5b6477;--line: #e1e5ee;--dark: #0b132b;--accent: #e85d04;--accent-dark: #c24b00;--radius: 14px;--max: 1120px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px}a{color:var(--accent-dark)}.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}.site-header{background:var(--dark);position:sticky;top:0;z-index:10}.header-row{display:flex;align-items:center;gap:20px;min-height:64px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}.brand{font-weight:800;font-size:1.25rem;color:#fff;text-decoration:none;letter-spacing:-.01em}.brand-light{color:#fff}.nav{display:flex;gap:18px;flex:1;flex-wrap:wrap}.nav a{color:#c9d1e6;text-decoration:none;font-size:.95rem}.nav 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