body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 2.5em; font-weight: bold; color: #FF6B35; text-shadow: 2px 2px 4px rgba(0,0,0,0.1); margin-bottom: 20px; }
        nav { background: #2C3E50; padding: 15px; border-radius: 8px; margin-bottom: 30px; }
        nav a { color: white; text-decoration: none; margin: 0 15px; }
        .mobile-nav-toggle { display: none; background: #FF6B35; color: white; border: none; padding: 10px; border-radius: 5px; }
        h1 { color: #2C3E50; border-bottom: 3px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #E74C3C; margin-top: 30px; }
        h3 { color: #3498DB; }
        .download-btn, .login-btn { display: inline-block; background: #27AE60; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; margin: 15px 0; font-weight: bold; }
        .download-btn:hover, .login-btn:hover { background: #219653; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        .gallery { display: flex; flex-wrap: wrap; gap: 15px; }
        .gallery img { width: 30%; }
        @media (max-width: 768px) {
            .mobile-nav-toggle { display: block; }
            nav { display: none; }
            .gallery img { width: 100%; }
        }