body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; background-color: #f0f8ff; }
        .header { background-color: #2c3e50; color: white; padding: 15px; display: flex; justify-content: space-between; align-items: center; position: relative; }
        .logo { font-size: 24px; font-weight: bold; text-transform: uppercase; letter-spacing: 2px; }
        .nav { display: flex; gap: 20px; }
        .nav a { color: white; text-decoration: none; }
        .mobile-menu { display: none; }
        @media (max-width: 768px) {
            .nav { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: #2c3e50; padding: 10px; }
            .nav.active { display: flex; }
            .mobile-menu { display: block; }
        }
        .content { margin-top: 30px; }
        h1 { color: #e74c3c; font-size: 2.5em; border-bottom: 2px solid #e74c3c; padding-bottom: 10px; }
        h2 { color: #3498db; font-size: 1.8em; margin-top: 25px; }
        h3 { color: #2ecc71; font-size: 1.4em; }
        .highlight { background-color: #fffacd; padding: 5px 10px; border-radius: 5px; }
        .btn { display: inline-block; background-color: #e74c3c; color: white; padding: 10px 20px; margin: 10px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .image-container { text-align: center; margin: 20px 0; }
        .image-container img { max-width: 100%; height: auto; border: 2px solid #ddd; border-radius: 8px; }
        .footer { margin-top: 50px; padding: 20px; background-color: #2c3e50; color: white; text-align: center; }
        .tags { margin-top: 30px; }
        .tag { background-color: #3498db; color: white; padding: 5px 10px; margin: 0 5px; border-radius: 15px; text-decoration: none; }