body { font-family: 'Segoe UI', Arial, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #2E8B57; text-align: center; margin-bottom: 30px; }
        h2 { color: #FF6347; border-bottom: 2px solid #FFD700; padding-bottom: 5px; }
        h3 { color: #4682B4; }
        .logo { font-size: 28px; font-weight: bold; color: #2E8B57; text-decoration: none; }
        nav { background: #FFF8DC; padding: 15px; margin-bottom: 20px; }
        nav ul { list-style: none; padding: 0; display: flex; justify-content: center; gap: 20px; }
        nav li { display: inline; }
        nav a { text-decoration: none; color: #2E8B57; font-weight: bold; }
        .mobile-nav { display: none; text-align: center; background: #FFF8DC; padding: 10px; }
        .content { margin-bottom: 40px; }
        .download-btn, .login-btn { background: #4CAF50; color: white; padding: 12px 25px; border: none; border-radius: 5px; font-size: 16px; cursor: pointer; margin: 10px 5px; display: inline-block; }
        .login-btn { background: #2196F3; }
        .image-container { text-align: center; margin: 30px 0; }
        img { max-width: 100%; height: auto; border-radius: 8px; }
        footer { background: #333; color: white; padding: 20px; text-align: center; }
        .tag { background: #f0f0f0; padding: 5px 10px; border-radius: 3px; margin: 5px; display: inline-block; }
        @media (max-width: 768px) {
            nav ul { flex-direction: column; align-items: center; }
            .mobile-nav { display: block; }
            .desktop-nav { display: none; }
        }