body { font-family: 'Arial', sans-serif; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px; color: #333; }
        .logo { font-size: 28px; font-weight: bold; color: #FF5722; text-shadow: 1px 1px 2px rgba(0,0,0,0.2); }
        nav { background: #FFC107; padding: 10px; margin-bottom: 20px; }
        nav a { color: #000; margin: 0 10px; text-decoration: none; }
        .mobile-nav { display: none; }
        h1 { color: #1E88E5; border-bottom: 2px solid #FF5722; padding-bottom: 10px; }
        h2 { color: #43A047; margin-top: 30px; }
        h3 { color: #7B1FA2; }
        .btn { display: inline-block; background: #FF5722; color: white; padding: 10px 20px; margin: 10px 0; border-radius: 5px; text-decoration: none; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .download-section { background: #E8F5E9; padding: 20px; border-radius: 8px; margin: 20px 0; }
        footer { margin-top: 40px; padding: 20px; background: #333; color: white; }
        .copyright { margin-top: 20px; font-size: 12px; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; }
            .menu-btn { background: #FF5722; color: white; padding: 10px; cursor: pointer; }
        }