body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .mobile-nav { display: none; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; }
            .nav-toggle { background: #FF9800; color: white; border: none; padding: 10px; cursor: pointer; }
        }
        nav { background: #FF9800; padding: 15px; }
        nav a { color: white; text-decoration: none; margin: 0 15px; font-weight: bold; }
        .logo { font-size: 24px; font-weight: 900; color: #FFF; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        h1 { color: #FF5722; border-bottom: 3px solid #FF9800; padding-bottom: 10px; }
        h2 { color: #FF9800; margin-top: 30px; }
        h3 { color: #795548; }
        .download-btn { background: #4CAF50; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; margin: 15px 0; display: inline-block; }
        .login-btn { background: #2196F3; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; margin: 15px 0; display: inline-block; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .gallery { display: flex; flex-wrap: wrap; gap: 15px; }
        .gallery img { width: 48%; }
        footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        .tags { margin: 20px 0; }
        .tag { background: #E0E0E0; color: #333; padding: 5px 10px; margin: 5px; border-radius: 15px; display: inline-block; }