body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 28px; font-weight: bold; color: #ff6b35; text-shadow: 1px 1px 2px #ccc; margin: 20px 0; }
        nav { background: #f8f9fa; padding: 15px; margin-bottom: 30px; border-radius: 8px; }
        nav a { margin-right: 15px; text-decoration: none; color: #333; font-weight: 500; }
        h1 { color: #ff6b35; font-size: 32px; margin-bottom: 20px; }
        h2 { color: #2c3e50; font-size: 26px; margin-top: 40px; }
        h3 { color: #3498db; font-size: 22px; margin-top: 30px; }
        .btn { display: inline-block; padding: 10px 20px; background: #ff6b35; color: white; border-radius: 5px; text-decoration: none; margin: 10px 0; }
        .btn:hover { background: #e74c3c; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        .mobile-nav { display: none; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; text-align: center; margin: 20px 0; }
            .toggle-btn { background: #ff6b35; color: white; padding: 10px; border: none; border-radius: 5px; }
            .mobile-links { display: none; background: #f8f9fa; padding: 15px; }
            .mobile-links.show { display: block; }
        }
        .copyright { margin-top: 50px; font-size: 14px; color: #777; text-align: center; }