
        /* Scoped styles to prevent global interference */
        .hub-guide-container {
            max-width: 1100px;
            margin: 30px auto;
            padding: 0 20px;
            font-family: 'Segoe UI', system-ui, sans-serif;
        }
        
        .hub-guide-header {
            text-align: center;
            margin-bottom: 40px;
            padding: 30px 20px;
            background: linear-gradient(135deg, #1a6ea0 0%, #2c3e50 100%);
            border-radius: 12px;
            color: white;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }
        
        .hub-guide-header h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            font-weight: 700;
        }
        
        .hub-guide-header p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
            opacity: 0.9;
        }
        
        .hub-guide-card {
            background: white;
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .hub-guide-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
        }
        
        .hub-guide-section-title {
            color: #2980b9;
            font-size: 1.8rem;
            margin-bottom: 25px;
            padding-bottom: 12px;
            border-bottom: 2px solid #ecf0f1;
            display: flex;
            align-items: center;
        }
        
        .hub-guide-section-title i {
            background: #3498db;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            color: white;
            font-size: 1.2rem;
        }
        
        .hub-guide-symptom {
            background: #f8fafc;
            border-left: 4px solid #3498db;
            padding: 25px;
            margin-bottom: 25px;
            border-radius: 0 8px 8px 0;
        }
        
        .hub-guide-symptom h3 {
            color: #2c3e50;
            font-size: 1.4rem;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .hub-guide-symptom h3 i {
            color: #3498db;
            margin-right: 10px;
            font-size: 1.2rem;
        }
        
        .hub-guide-symptom p {
            color: #34495e;
            line-height: 1.7;
            margin-bottom: 12px;
        }
        
        .hub-guide-symptom ul {
            padding-left: 25px;
            margin: 15px 0;
        }
        
        .hub-guide-symptom ul li {
            margin-bottom: 10px;
            color: #34495e;
            line-height: 1.6;
        }
        
        .severity-high {
            color: #e74c3c;
            font-weight: 700;
            padding: 8px 15px;
            background: #fef2f2;
            border-radius: 6px;
            display: inline-block;
            margin-top: 10px;
        }
        
        .hub-guide-summary {
            background: linear-gradient(to right, #e3f2fd, #e8f4ff);
            padding: 30px;
            border-radius: 12px;
            border-left: 5px solid #2196F3;
            margin: 40px 0 20px;
        }
        
        .hub-guide-summary h3 {
            color: #2c3e50;
            font-size: 1.6rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
        }
        
        .hub-guide-summary h3 i {
            color: #2196F3;
            margin-right: 12px;
            font-size: 1.4rem;
        }
        
        .hub-guide-footer {
            text-align: center;
            margin-top: 50px;
            padding-top: 25px;
            border-top: 1px solid #ecf0f1;
            color: #7f8c8d;
            font-size: 0.95rem;
        }
        
        /* Responsive design */
        @media (max-width: 768px) {
            .hub-guide-header h1 {
                font-size: 2.2rem;
            }
            
            .hub-guide-section-title {
                font-size: 1.5rem;
            }
            
            .hub-guide-card {
                padding: 20px;
            }
            
            .hub-guide-symptom {
                padding: 20px;
            }
        }
        
        @media (max-width: 480px) {
            .hub-guide-header h1 {
                font-size: 1.8rem;
            }
            
            .hub-guide-header p {
                font-size: 1rem;
            }
            
            .hub-guide-section-title {
                font-size: 1.3rem;
            }
        }
    