body { font-family: 'Segoe UI', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        .mobile-nav { display: none; background: #ff6b35; color: white; padding: 10px; text-align: center; cursor: pointer; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; }
            .content { padding-top: 50px; }
        }
        nav { background: #ff6b35; padding: 15px 0; position: sticky; top: 0; z-index: 100; }
        nav a { color: white; text-decoration: none; margin: 0 15px; font-weight: bold; }
        h1 { color: #ff6b35; border-bottom: 3px solid #f8e112; padding-bottom: 10px; }
        h2 { color: #008080; margin-top: 30px; }
        h3 { color: #4b0082; }
        .download-btn, .login-btn { background: #4CAF50; color: white; padding: 12px 25px; text-decoration: none; margin: 15px 0; display: inline-block; border-radius: 5px; }
        .img-container { text-align: center; margin: 25px 0; }
        img { max-width: 100%; height: auto; border-radius: 8px; }
        .tags { margin: 20px 0; }
        .tag { background: #e0e0e0; padding: 5px 10px; margin: 0 5px; border-radius: 15px; }
        footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 40px; }