body { font-family: 'Arial', 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; top: 0; left: 0; width: 100%; background: #f8b400; padding: 10px; z-index: 100; }
            .toggle-btn { background: #fff; border: none; padding: 8px 15px; cursor: pointer; }
        }
        h1 { color: #d9534f; border-bottom: 2px solid #f8b400; padding-bottom: 10px; }
        h2 { color: #f0ad4e; margin-top: 30px; }
        h3 { color: #5bc0de; }
        .btn { display: inline-block; padding: 10px 20px; background: #5cb85c; color: white; text-decoration: none; border-radius: 5px; margin: 10px 0; }
        .btn:hover { background: #4cae4c; }
        .login-btn { background: #337ab7; }
        .login-btn:hover { background: #286090; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        .tags { margin: 20px 0; }
        .tag { background: #eee; padding: 5px 10px; margin: 5px; display: inline-block; border-radius: 15px; }
        footer { margin-top: 40px; padding: 20px 0; border-top: 1px solid #eee; }