body { font-family: 'Arial', sans-serif; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px; color: #333; }
        header { background: #FF6B35; padding: 20px; text-align: center; color: white; }
        nav { display: flex; justify-content: space-around; flex-wrap: wrap; margin: 20px 0; }
        nav a { color: white; text-decoration: none; padding: 10px; }
        .mobile-nav-btn { display: none; background: #FF4500; color: white; border: none; padding: 10px; cursor: pointer; }
        h1 { color: #FF4500; border-bottom: 3px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #E63946; margin-top: 30px; }
        h3 { color: #457B9D; }
        .download-btn, .login-btn { background: #FF6B35; color: white; padding: 12px 25px; margin: 20px 0; border: none; border-radius: 5px; cursor: pointer; font-weight: bold; }
        .image-container { text-align: center; margin: 30px 0; }
        img { max-width: 100%; height: auto; border-radius: 8px; }
        footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            .mobile-nav-btn { display: block; }
            nav { display: none; }
            nav.active { display: flex; flex-direction: column; }
        }