:root{--blue:#17458f;--gold:#f7a81b;--deep:#0b1f41;--light:#f6f8fc;--text:#1f2937;--muted:#667085;--white:#fff;--shadow:0 18px 45px rgba(12,31,65,.14);--radius:24px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff;line-height:1.65}img{max-width:100%;display:block}a{color:inherit}.topbar{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;gap:18px;justify-content:space-between;padding:10px 4vw;background:rgba(255,255,255,.96);box-shadow:0 8px 28px rgba(15,34,70,.08);backdrop-filter:blur(12px)}.brand img{height:58px;width:auto}.nav{display:flex;gap:16px;align-items:center}.nav a{text-decoration:none;font-weight:700;color:var(--deep);font-size:.95rem;position:relative}.nav a:after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:3px;background:var(--gold);transition:.25s}.nav 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