body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 2em; font-weight: bold; color: #FF4500; margin-bottom: 20px; text-align: center; }
        nav { background: #FF8C00; padding: 10px; position: relative; }
        nav ul { display: flex; justify-content: center; list-style: none; padding: 0; margin: 0; }
        nav li { margin: 0 15px; }
        nav a { color: white; text-decoration: none; }
        .mobile-toggle { display: none; position: absolute; right: 10px; top: 10px; }
        h1 { color: #FF4500; border-bottom: 2px solid #FF8C00; padding-bottom: 10px; }
        h2 { color: #FF8C00; margin-top: 30px; }
        h3 { color: #333; margin-top: 20px; }
        .download-btn, .login-btn { display: inline-block; background: #FF4500; color: white; padding: 10px 20px; margin: 10px 0; border-radius: 5px; text-decoration: none; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            nav ul { display: none; }
            .mobile-toggle { display: block; }
            .active { display: block !important; }
        }