.help-center-content {
        font-family: 'Calibri', Arial, sans-serif;
        line-height: 1.6;
        margin: 40px auto;
        color: #333;
        max-width: 1200px;
        padding: 30px;
    }
    
    .help-center-content h1 {
        color: #2E74B5;
        font-size: 32px;
        border-bottom: 4px solid #2E74B5;
        padding-bottom: 15px;
        margin-bottom: 30px;
        text-align: center;
    }
    
    .help-center-content h2 {
        color: #2E74B5;
        font-size: 24px;
        margin-top: 40px;
        background-color: #F2F2F2;
        padding: 12px;
        border-left: 6px solid #2E74B5;
        border-radius: 4px;
    }
    
    .help-center-content h3 {
        color: #4472C4;
        font-size: 20px;
        margin-top: 30px;
        padding-bottom: 8px;
        border-bottom: 2px solid #E0E0E0;
    }
    
    .help-center-intro {
        text-align: center;
        color: #666;
        font-size: 16px;
        margin-bottom: 30px;
    }
    
    .guides-section {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
        margin-top: 30px;
    }
    
    .guide-card {
        background-color: #ffffff;
        border: 1px solid #BDD7EE;
        border-radius: 8px;
        padding: 25px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        transition: all 0.3s ease;
    }
    
    .guide-card:hover {
        box-shadow: 0 4px 12px rgba(46, 116, 181, 0.2);
        transform: translateY(-2px);
        border-color: #2E74B5;
    }
    
    .guide-card h3 {
        color: #2E74B5;
        font-size: 22px;
        margin-top: 0;
        margin-bottom: 20px;
        padding-bottom: 10px;
        border-bottom: 3px solid #EAF1FB;
    }
    
    .guide-card ol,
    .guide-card ul {
        margin-left: 20px;
        margin-bottom: 0;
        padding-left: 10px;
    }
    
    .guide-card li {
        margin-bottom: 12px;
        color: #555;
        line-height: 1.7;
        padding-left: 5px;
    }
    
    .guide-card li:last-child {
        margin-bottom: 0;
    }
    
    .guide-card ol li {
        counter-increment: step-counter;
    }
    
    .guide-card ol {
        counter-reset: step-counter;
        list-style: none;
    }
    
    .guide-card ol li::before {
        content: counter(step-counter);
        background-color: #2E74B5;
        color: white;
        font-weight: bold;
        width: 28px;
        height: 28px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        margin-right: 12px;
        font-size: 14px;
    }
    
    .guide-icon {
        font-size: 32px;
        color: #2E74B5;
        margin-bottom: 15px;
        display: block;
    }
    
    @media (max-width: 768px) {
        .help-center-content {
            padding: 20px;
            margin: 20px auto;
        }
        
        .help-center-content h1 {
            font-size: 24px;
        }
        
        .guides-section {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        
        .guide-card {
            padding: 20px;
        }
    }