body { font-family: 'Segoe UI', 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; position: fixed; bottom: 0; width: 100%; background: #1a73e8; color: white; text-align: center; padding: 10px; }
            body { padding-bottom: 80px; }
        }
        nav { background: #1a73e8; padding: 15px; margin-bottom: 30px; border-radius: 8px; }
        nav a { color: white; text-decoration: none; margin: 0 15px; font-weight: bold; }
        h1 { color: #1a73e8; border-bottom: 3px solid #ff9800; padding-bottom: 10px; }
        h2 { color: #ff5722; margin-top: 40px; }
        h3 { color: #4caf50; }
        .btn { display: inline-block; background: #ff5722; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 25px; text-decoration: none; font-weight: bold; }
        .image-container { text-align: center; margin: 30px 0; }
        img { max-width: 100%; height: auto; border-radius: 10px; }
        .tag { background: #e0e0e0; padding: 5px 10px; margin: 5px; border-radius: 15px; display: inline-block; }
        footer { margin-top: 50px; padding: 20px; background: #333; color: white; border-radius: 8px; }