body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #e67e22; font-size: 2.5em; text-align: center; margin-bottom: 10px; }
        h2 { color: #2980b9; font-size: 1.8em; margin-top: 30px; }
        h3 { color: #27ae60; font-size: 1.5em; margin-top: 25px; }
        .logo { font-size: 2.8em; font-weight: bold; color: #e74c3c; text-align: center; margin: 20px 0; text-shadow: 2px 2px 4px rgba(0,0,0,0.2); }
        .nav { background-color: #f39c12; padding: 15px; display: flex; justify-content: space-between; align-items: center; }
        .nav-mobile { display: none; }
        .nav-links { display: flex; gap: 20px; }
        .nav-links a { color: white; text-decoration: none; font-weight: bold; }
        .mobile-toggle { background: none; border: none; color: white; font-size: 1.5em; cursor: pointer; }
        .content { margin-top: 20px; }
        .download-btn, .login-btn { display: inline-block; padding: 12px 25px; background-color: #2ecc71; color: white; text-decoration: none; border-radius: 5px; margin: 15px 0; font-weight: bold; }
        .login-btn { background-color: #3498db; }
        .stats { background-color: #f8f9fa; padding: 15px; border-radius: 8px; margin: 20px 0; }
        .image-container { text-align: center; margin: 25px 0; }
        .image-container img { max-width: 100%; height: auto; border-radius: 8px; }
        .footer { background-color: #2c3e50; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        .footer-links { margin: 15px 0; }
        .footer-links a { color: #ecf0f1; margin: 0 10px; text-decoration: none; }
        @media (max-width: 768px) {
            .nav-links { display: none; flex-direction: column; align-items: center; width: 100%; }
            .nav-links.active { display: flex; }
            .mobile-toggle { display: block; }
            .nav { flex-direction: column; }
            h1 { font-size: 2em; }
            h2 { font-size: 1.6em; }
        }