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; margin: 20px 0; }
        nav { background: #2C3E50; padding: 10px; display: flex; justify-content: space-between; align-items: center; }
        nav a { color: white; text-decoration: none; margin: 0 10px; }
        .mobile-nav-toggle { display: none; color: white; font-size: 24px; }
        h1 { color: #FF6B35; border-bottom: 3px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #E74C3C; margin-top: 30px; }
        h3 { color: #3498DB; }
        .download-btn, .login-btn { background: #2ECC71; color: white; padding: 10px 20px; margin: 15px 0; display: inline-block; text-decoration: none; border-radius: 5px; }
        .login-btn { background: #3498DB; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        footer { margin-top: 50px; padding: 20px; background: #2C3E50; color: white; }
        .tag { background: #95A5A6; color: white; padding: 5px 10px; margin: 5px; display: inline-block; border-radius: 3px; }
        @media (max-width: 768px) {
            .mobile-nav-toggle { display: block; }
            nav ul { display: none; }
            nav.active ul { display: block; }
            nav { flex-direction: column; }
            nav ul { width: 100%; text-align: center; }
            nav ul li { margin: 10px 0; }
        }