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: #FF4500; text-align: center; margin: 20px 0; }
        nav { display: flex; justify-content: center; background: #FFD700; padding: 10px; }
        nav a { margin: 0 15px; text-decoration: none; color: #000; font-weight: bold; }
        .mobile-nav-btn { display: none; }
        h1 { color: #FF4500; text-align: center; }
        h2 { color: #FF8C00; border-bottom: 2px solid #FF8C00; padding-bottom: 5px; }
        h3 { color: #FFA500; }
        .download-btn, .login-btn { display: block; text-align: center; margin: 20px 0; padding: 15px; background: #008000; color: white; text-decoration: none; font-weight: bold; border-radius: 5px; }
        .image-container { text-align: center; margin: 30px 0; }
        img { max-width: 100%; height: auto; }
        footer { text-align: center; margin-top: 50px; padding: 20px; background: #333; color: white; }
        @media (max-width: 768px) {
            nav { flex-direction: column; align-items: center; }
            .mobile-nav-btn { display: block; background: #FF4500; color: white; border: none; padding: 10px; margin: 10px; }
            .nav-links { display: none; }
            .nav-links.active { display: flex; flex-direction: column; }
        }