body { font-family: 'Segoe UI', Arial, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #FF6B35; font-size: 2.5em; text-align: center; }
        h2 { color: #0081C9; margin-top: 30px; }
        h3 { color: #5BC0BE; }
        .logo { font-size: 2em; font-weight: bold; color: #FF6B35; text-align: center; margin: 20px 0; }
        .nav { background-color: #0081C9; color: white; padding: 10px; display: flex; justify-content: space-around; flex-wrap: wrap; }
        .nav a { color: white; text-decoration: none; padding: 5px 10px; }
        .mobile-nav-btn { display: none; background: #FF6B35; color: white; border: none; padding: 10px; }
        .download-btn, .login-btn { display: inline-block; background: #FF6B35; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .download-btn:hover, .login-btn:hover { background: #E64C2E; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .tag { background: #F0F0F0; padding: 5px 10px; border-radius: 15px; margin: 5px; display: inline-block; }
        .footer { background: #333; color: white; text-align: center; padding: 20px; margin-top: 30px; }
        @media (max-width: 768px) {
            .nav { display: none; flex-direction: column; }
            .mobile-nav-btn { display: block; }
            .nav.active { display: flex; }
            h1 { font-size: 2em; }
        }