body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 2.5em; font-weight: bold; color: #FF6B35; text-align: center; margin: 20px 0; }
        .mobile-menu { display: none; background: #333; color: white; padding: 10px; text-align: center; cursor: pointer; }
        nav { background: #333; padding: 15px; }
        nav ul { list-style: none; padding: 0; display: flex; justify-content: center; }
        nav ul li { margin: 0 15px; }
        nav ul li a { color: white; text-decoration: none; }
        .content { margin: 30px 0; }
        h1 { color: #FF6B35; border-bottom: 2px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #4CAF50; margin: 25px 0 15px; }
        h3 { color: #2196F3; margin: 20px 0 10px; }
        .download-btn { display: block; background: #4CAF50; color: white; padding: 15px; text-align: center; margin: 20px 0; border-radius: 5px; }
        .login-btn { display: block; background: #2196F3; color: white; padding: 15px; text-align: center; margin: 20px 0; border-radius: 5px; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        .tags { margin: 20px 0; }
        .tags a { background: #f1f1f1; padding: 5px 10px; margin: 0 5px; border-radius: 3px; text-decoration: none; color: #333; }
        footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 30px; }
        @media (max-width: 768px) {
            nav ul { flex-direction: column; display: none; }
            .mobile-menu { display: block; }
            .logo { font-size: 2em; }
        }