.security-hero {
        background: linear-gradient(135deg, #0f1f7a 0%, #0056b3 100%);
        border-radius: 10px;
        padding: 3rem 2rem;
        margin-bottom: 2rem;
    }
    .security-content {
        background: white;
        border-radius: 20px;
        box-shadow: 0 10px 40px rgba(0,0,0,0.1);
        padding: 3rem;
    }
    .security-section {
        margin-bottom: 2.5rem;
    }
    .security-section h3 {
        color: #0f1f7a;
        font-weight: 700;
        margin-bottom: 1rem;
        padding-bottom: 0.5rem;
        border-bottom: 2px solid #e9ecef;
    }
    .security-section p, .security-section li {
        color: #555;
        line-height: 1.8;
    }
    .toc-card {
        background: #f8f9fa;
        border-radius: 15px;
        padding: 1.5rem;
        position: sticky;
        top: 20px;
    }
    .toc-link {
        display: block;
        padding: 0.5rem 0;
        color: #555;
        text-decoration: none;
        border-bottom: 1px solid #e9ecef;
        transition: all 0.3s ease;
    }
    .toc-link:last-child {
        border-bottom: none;
    }
    .toc-link:hover {
        color: #0f1f7a;
        padding-left: 0.5rem;
    }
    .highlight-box {
        background: linear-gradient(135deg, #e8f4fd 0%, #d4edda 100%);
        border-radius: 10px;
        padding: 1.5rem;
        margin: 1.5rem 0;
    }
    .security-card {
        background: white;
        border: 1px solid #e9ecef;
        border-radius: 15px;
        padding: 1.5rem;
        text-align: center;
        transition: all 0.3s ease;
        height: 100%;
    }
    .security-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 30px rgba(15, 31, 122, 0.15);
        border-color: #0f1f7a;
    }
    .security-card i {
        font-size: 2.5rem;
        color: #0f1f7a;
        margin-bottom: 1rem;
    }
    .security-card h5 {
        color: #0f1f7a;
        font-weight: 600;
        margin-bottom: 0.75rem;
    }
    .security-card p {
        color: #666;
        font-size: 0.9rem;
        margin-bottom: 0;
    }
    .measure-item {
        display: flex;
        align-items-start;
        margin-bottom: 1.5rem;
        padding: 1rem;
        background: #f8f9fa;
        border-radius: 10px;
        transition: all 0.3s ease;
    }
    .measure-item:hover {
        background: #e8f4fd;
    }
    .measure-icon {
        width: 50px;
        height: 50px;
        background: linear-gradient(135deg, #0f1f7a 0%, #0056b3 100%);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        margin-right: 1rem;
    }
    .measure-icon i {
        color: white;
        font-size: 1.25rem;
    }
    .measure-content h6 {
        color: #0f1f7a;
        font-weight: 600;
        margin-bottom: 0.25rem;
    }
    .measure-content p {
        color: #666;
        font-size: 0.9rem;
        margin-bottom: 0;
    }
    .breadcrumb-nav {
        background: #f8f9fa;
        border-radius: 10px;
        padding: 1rem;
        margin-bottom: 1.5rem;
    }
    .breadcrumb-nav a {
        color: #0f1f7a;
        text-decoration: none;
    }
    .breadcrumb-nav a:hover {
        text-decoration: underline;
    }
    .compliance-badge {
        display: inline-flex;
        align-items: center;
        background: #e8f4fd;
        border: 1px solid #0f1f7a;
        border-radius: 50px;
        padding: 0.5rem 1rem;
        margin: 0.25rem;
        font-size: 0.85rem;
        color: #0f1f7a;
    }
    .compliance-badge i {
        color: #28a745;
        margin-right: 0.5rem;
    }
    .layer-card {
        background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
        border-left: 4px solid #0f1f7a;
        border-radius: 0 15px 15px 0;
        padding: 1.5rem;
        margin-bottom: 1rem;
    }
    .layer-card h5 {
        color: #0f1f7a;
        font-weight: 600;
        margin-bottom: 0.75rem;
    }