body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; background-color: #f5f5f5; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 2.5em; font-weight: bold; color: #e67e22; text-align: center; margin: 20px 0; }
        .mobile-nav { display: none; background: #e67e22; color: white; padding: 10px; text-align: center; cursor: pointer; }
        nav { background: #333; padding: 15px 0; }
        nav ul { list-style: none; display: flex; justify-content: center; gap: 25px; }
        nav ul li { display: inline; }
        nav ul li a { color: white; text-decoration: none; font-weight: bold; }
        h1 { color: #e67e22; border-bottom: 3px solid #e67e22; padding-bottom: 10px; }
        h2 { color: #2980b9; margin-top: 30px; }
        h3 { color: #27ae60; }
        .download-btn, .login-btn { background: #e67e22; color: white; padding: 12px 25px; border: none; border-radius: 5px; font-size: 1.1em; margin: 15px 0; display: inline-block; }
        .image-container { text-align: center; margin: 20px 0; }
        .image-container img { max-width: 100%; height: auto; border-radius: 8px; }
        .tags { margin: 20px 0; }
        .tags a { background: #2980b9; color: white; padding: 5px 10px; border-radius: 3px; margin-right: 5px; text-decoration: none; }
        footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            nav ul { flex-direction: column; gap: 10px; }
            .mobile-nav { display: block; }
            nav { display: none; }
            .container { padding: 10px; }
        }