body { font-family: '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: #4ECDC4; margin-top: 30px; }
        h3 { color: #FF8C42; }
        .logo { font-size: 2em; font-weight: bold; text-align: center; margin: 20px 0; }
        .nav { background-color: #FF6B35; padding: 10px; text-align: center; position: relative; }
        .nav a { color: white; margin: 0 15px; text-decoration: none; }
        .mobile-nav-toggle { display: none; }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-nav-toggle { display: block; position: absolute; right: 20px; top: 15px; }
            .nav.active .nav-links { display: block; }
        }
        .btn { display: inline-block; padding: 10px 20px; background-color: #4ECDC4; color: white; text-decoration: none; border-radius: 5px; margin: 10px 0; }
        .download-section { text-align: center; margin: 30px 0; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .footer { margin-top: 50px; padding: 20px; background-color: #f5f5f5; text-align: center; }
        .tags { margin: 20px 0; }
        .tag { background-color: #e0e0e0; padding: 5px 10px; margin: 0 5px; border-radius: 3px; }