body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #FF6B35; text-align: center; margin-bottom: 30px; }
        h2 { color: #00A8E8; border-bottom: 2px solid #FF6B35; padding-bottom: 5px; }
        h3 { color: #7A28CB; }
        .logo { font-size: 28px; font-weight: bold; color: #FF6B35; text-shadow: 1px 1px 2px #000; }
        .nav { background: #00A8E8; padding: 10px; position: relative; }
        .nav-mobile { display: none; }
        .nav-links { display: flex; justify-content: center; gap: 20px; }
        .nav-links a { color: white; text-decoration: none; }
        .toggle-nav { display: none; background: #FF6B35; color: white; border: none; padding: 8px 12px; cursor: pointer; }
        .content { margin-top: 20px; }
        .download-btn { display: inline-block; background: #4CAF50; color: white; padding: 12px 24px; margin: 10px 0; text-decoration: none; border-radius: 5px; }
        .login-btn { display: inline-block; background: #2196F3; color: white; padding: 12px 24px; margin: 10px 0; text-decoration: none; border-radius: 5px; }
        .highlight { background: #FFF3BF; padding: 5px; }
        .image-container { text-align: center; margin: 20px 0; }
        .image-container img { max-width: 100%; height: auto; }
        .footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        .tags { margin: 20px 0; }
        .tag { background: #7A28CB; color: white; padding: 5px 10px; margin: 0 5px; border-radius: 3px; }
        @media (max-width: 768px) {
            .nav-links { display: none; flex-direction: column; }
            .nav-links.active { display: flex; }
            .toggle-nav { display: block; }
            .nav { flex-direction: column; }
        }