body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        .logo { font-size: 2rem; font-weight: bold; color: #e67e22; text-align: center; margin: 20px 0; }
        nav { background: #f39c12; padding: 10px; display: flex; justify-content: space-between; align-items: center; }
        nav a { color: white; text-decoration: none; margin: 0 10px; }
        .mobile-menu { display: none; }
        h1 { color: #e67e22; border-bottom: 3px solid #f1c40f; padding-bottom: 10px; }
        h2 { color: #2980b9; margin-top: 30px; }
        h3 { color: #27ae60; }
        .download-btn, .login-btn { background: #2ecc71; color: white; padding: 12px 25px; border-radius: 5px; display: inline-block; margin: 15px 0; text-decoration: none; font-weight: bold; }
        .login-btn { background: #3498db; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        footer { background: #2c3e50; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        .tags { margin: 20px 0; }
        .tag { background: #95a5a6; color: white; padding: 5px 10px; border-radius: 3px; margin: 0 5px; display: inline-block; }
        @media (max-width: 768px) {
            nav { flex-direction: column; }
            .mobile-menu { display: block; background: #e67e22; color: white; padding: 10px; cursor: pointer; }
            .desktop-nav { display: none; }
            .desktop-nav.active { display: flex; flex-direction: column; }
        }