body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #d32f2f; font-size: 2.5em; }
        h2 { color: #388e3c; margin-top: 30px; }
        h3 { color: #0288d1; }
        .logo { font-family: 'Impact', sans-serif; font-size: 2em; letter-spacing: 2px; color: #d32f2f; }
        .nav { background: #f5f5f5; padding: 10px; display: flex; justify-content: space-between; align-items: center; }
        .mobile-nav-btn { display: none; background: #388e3c; color: white; padding: 8px 12px; border-radius: 4px; }
        .download-btn, .login-btn { display: inline-block; background: #d32f2f; color: white; padding: 10px 20px; margin: 10px 0; text-decoration: none; border-radius: 5px; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .tag-cloud { margin: 30px 0; }
        .tag { display: inline-block; background: #e0e0e0; padding: 5px 10px; margin: 5px; border-radius: 15px; }
        footer { margin-top: 50px; padding-top: 20px; border-top: 1px solid #ddd; }
        @media (max-width: 768px) {
            .mobile-nav-btn { display: block; }
            .nav-links { display: none; }
            .nav.active .nav-links { display: block; }
        }