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, h2, h3 { color: #2c3e50; margin: 25px 0 15px; }
        h1 { font-size: 2.2em; text-align: center; }
        h2 { font-size: 1.8em; border-bottom: 2px solid #f39c12; padding-bottom: 5px; }
        h3 { font-size: 1.5em; color: #e74c3c; }
        .logo { font-size: 2.5em; font-weight: bold; color: #f39c12; text-align: center; margin: 30px 0; }
        .download-btn, .login-btn { display: inline-block; padding: 12px 25px; margin: 15px 0; background: #e74c3c; color: white; text-decoration: none; border-radius: 5px; font-weight: bold; }
        .download-btn:hover, .login-btn:hover { background: #c0392b; }
        .nav-mobile { display: none; background: #2c3e50; color: white; padding: 10px; text-align: center; cursor: pointer; }
        .nav-links { display: flex; justify-content: center; flex-wrap: wrap; margin: 20px 0; }
        .nav-links a { margin: 0 15px; color: #2c3e50; font-weight: bold; text-decoration: none; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        .tags { margin: 20px 0; }
        .tags a { display: inline-block; padding: 5px 10px; background: #ecf0f1; color: #2c3e50; margin: 3px; border-radius: 3px; text-decoration: none; }
        footer { margin-top: 50px; padding: 20px; background: #2c3e50; color: white; text-align: center; }
        @media (max-width: 768px) {
            .nav-links { display: none; flex-direction: column; }
            .nav-links.active { display: flex; }
            .nav-mobile { display: block; }
            body { padding: 10px; }
        }