:root{--primary-color:#003399;--secondary-color:#0066cc;--accent-color:#cc0000;--light-bg:#f8f9fa;--dark-bg:#212529;--text-color:#333;--light-text:#fff;--transition:all 0.3s ease;--primary:#003399;--secondary:#0066cc;--accent:#cc0000;--bg:#f8f9fa;--text:#333;--text-muted:#6b7280;--border:#e5e7eb;--card-bg:#fff;--logo-bg:#f5f5f5}*{margin:0;padding:0;box-sizing:border-box;font-family:'Poppins',sans-serif}html{scroll-behavior:smooth}body{color:var(--text-color);background-color:#fff;line-height:1.6}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}header{background-color:var(--primary-color);color:var(--light-text);position:fixed;width:100%;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,0.1)}.navbar{display:flex;justify-content:space-between;align-items:center;padding:15px 0}.logo{display:flex;align-items:center}.logo img{height:90px;margin-right:10px;max-width:200px}.logo h1{font-size:24px;font-weight:700}.nav-links{display:flex;list-style:none}.nav-links 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