body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background: linear-gradient(135deg, #0a6ebd 0%, #1a2a6c 100%); color: white; padding: 20px; border-radius: 10px; margin-bottom: 30px; }
        .logo { font-size: 2.2em; font-weight: 900; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        nav { display: flex; justify-content: space-between; align-items: center; }
        .mobile-menu { display: none; background: #ff6b35; padding: 10px; border-radius: 5px; }
        .content { background: #f9f9f9; padding: 25px; border-radius: 8px; margin-bottom: 30px; }
        img { max-width: 100%; height: auto; border-radius: 8px; margin: 15px 0; }
        .btn { display: inline-block; background: #ff6b35; color: white; padding: 12px 25px; margin: 10px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        footer { background: #333; color: #eee; padding: 20px; text-align: center; border-radius: 8px; }
        h1, h2, h3 { color: #1a2a6c; }
        h1 { font-size: 2.5em; border-bottom: 3px solid #ff6b35; padding-bottom: 10px; }
        h2 { font-size: 1.8em; margin-top: 25px; }
        h3 { font-size: 1.4em; margin-top: 20px; }
        @media (max-width: 768px) {
            nav { flex-direction: column; }
            .mobile-menu { display: block; }
            .desktop-menu { display: none; }
            .logo { font-size: 1.8em; }
            body { padding: 10px; }
        }