.input-group-custom {
            margin-bottom: 1rem;
        }
        .deep-dive {
            margin: 1.8rem 0;
        }
        .deep-dive p {
            text-align: justify;
        }
        .unit-note {
            font-size: 0.9rem;
            color: #6c757d;
        }
        .sample-sequence-box {
            background-color: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            padding: 1rem;
            margin: 1rem 0;
            max-height: 200px;
            overflow-y: auto;
            font-family: 'Courier New', monospace;
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .sample-sequence-box .sample-item {
            display: inline-block;
            background-color: white;
            border-radius: 4px;
            padding: 0.1rem 0.6rem;
            margin: 0.15rem 0.1rem;
            border: 1px solid #e9ecef;
        }
        .sample-summary {
            background-color: #e9f5ee;
            border-radius: 8px;
            padding: 1rem;
            margin: 1rem 0;
            border-left: 4px solid #28a745;
        }
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 1.5rem 0;
        }
        .comparison-card {
            background-color: #f8f9fa;
            border-radius: 8px;
            padding: 1.2rem;
            border: 1px solid #dee2e6;
        }
        .comparison-card h6 {
            font-weight: 700;
            color: var(--primary-color);
        }
        @media (max-width: 768px) {
            .comparison-grid {
                grid-template-columns: 1fr;
            }
        }
        .stat-highlight {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-color);
            text-align: center;
            padding: 0.5rem;
        }
        .method-steps {
            counter-reset: step;
            list-style: none;
            padding-left: 0;
        }
        .method-steps li {
            counter-increment: step;
            padding: 0.6rem 0 0.6rem 2.8rem;
            position: relative;
            border-bottom: 1px solid #f0f0f0;
        }
        .method-steps li::before {
            content: counter(step);
            position: absolute;
            left: 0;
            top: 0.6rem;
            width: 2rem;
            height: 2rem;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 2rem;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .method-steps li:last-child {
            border-bottom: none;
        }