body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1, h2, h3 { color: #2c3e50; }
        h1 { font-size: 2.5em; text-align: center; margin-bottom: 30px; }
        h2 { font-size: 1.8em; border-bottom: 2px solid #e74c3c; padding-bottom: 10px; margin-top: 40px; }
        h3 { font-size: 1.4em; color: #e67e22; }
        .logo { font-size: 2em; font-weight: bold; color: #e74c3c; text-align: center; margin: 20px 0; }
        .nav { background: #2c3e50; padding: 15px; display: flex; justify-content: space-between; align-items: center; }
        .nav a { color: white; text-decoration: none; margin: 0 10px; }
        .mobile-toggle { display: none; }
        .button { display: inline-block; padding: 10px 20px; background: #e74c3c; color: white; border-radius: 5px; margin: 10px 0; text-decoration: none; }
        .download-section, .login-section { text-align: center; margin: 30px 0; }
        .stats { background: #f9f9f9; padding: 20px; border-radius: 8px; margin: 20px 0; }
        .community { background: #ecf0f1; padding: 20px; border-radius: 8px; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        .copyright { text-align: center; margin: 30px 0; font-size: 0.9em; color: #7f8c8d; }
        @media (max-width: 768px) {
            .nav { flex-direction: column; }
            .mobile-toggle { display: block; background: #e74c3c; color: white; padding: 10px; border: none; margin-bottom: 15px; }
            .nav-links { display: none; }
            .nav-links.active { display: flex; flex-direction: column; }
            .nav-links a { margin: 5px 0; }
        }