body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; background-color: #f5f5f5; margin: 0; padding: 0; }
        header { background-color: #004d80; color: white; padding: 15px; text-align: center; }
        .logo { font-size: 28px; font-weight: bold; letter-spacing: 2px; }
        nav { display: flex; justify-content: center; gap: 20px; margin-top: 10px; }
        nav a { color: white; text-decoration: none; }
        .mobile-menu-btn { display: none; background: #ff9900; color: white; border: none; padding: 10px; }
        .container { max-width: 1200px; margin: 20px auto; padding: 0 20px; }
        h1 { color: #004d80; border-bottom: 3px solid #ff9900; padding-bottom: 10px; }
        h2 { color: #0066cc; margin-top: 30px; }
        h3 { color: #0077b6; }
        .btn { display: inline-block; background: #ff9900; color: white; padding: 10px 20px; margin: 10px 0; text-decoration: none; border-radius: 5px; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        footer { background-color: #004d80; color: white; text-align: center; padding: 20px; margin-top: 30px; }
        .tags { margin: 20px 0; }
        .tag { background: #0066cc; color: white; padding: 5px 10px; margin: 5px; display: inline-block; border-radius: 3px; }
        @media (max-width: 768px) {
            nav { flex-direction: column; display: none; }
            .mobile-menu-btn { display: block; }
            .show-menu { display: flex; }
        }