body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #e74c3c; text-align: center; }
        h2 { color: #2980b9; border-bottom: 2px solid #3498db; padding-bottom: 5px; }
        h3 { color: #27ae60; }
        .nav { background: #f39c12; padding: 10px; position: sticky; top: 0; z-index: 100; }
        .nav-mobile { display: none; }
        .nav-links { display: flex; justify-content: center; gap: 20px; }
        .nav-links a { color: white; text-decoration: none; font-weight: bold; }
        .logo { font-size: 24px; font-weight: bold; color: white; }
        .btn { display: inline-block; background: #2ecc71; color: white; padding: 10px 20px; border-radius: 5px; text-decoration: none; margin: 10px 0; }
        .img-container { text-align: center; margin: 20px 0; }
        img { max-width: 100%; height: auto; }
        .tags { margin: 20px 0; }
        .tag { background: #95a5a6; color: white; padding: 5px 10px; border-radius: 3px; margin: 5px; display: inline-block; }
        .footer { margin-top: 30px; padding-top: 20px; border-top: 1px solid #eee; text-align: center; }
        @media (max-width: 768px) {
            .nav-links { flex-direction: column; align-items: center; display: none; }
            .nav-mobile { display: block; text-align: center; background: #e67e22; color: white; padding: 10px; cursor: pointer; }
            .nav.active .nav-links { display: flex; }
        }