.breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 16px 0 4px;
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 14px;
        }
        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--primary-light);
        }
        .stat-card .stat-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 8px;
        }
        .stat-card .stat-icon .svg-icon {
            width: 2rem;
            height: 2rem;
            color: var(--primary);
        }
        .stat-card .stat-number {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 4px;
        }
        .stat-card .stat-label {
            font-size: 0.82rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .stat-card .stat-sub {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .content-block {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 16px;
        }
        .content-block h3 {
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--secondary);
            margin-bottom: 10px;
        }
        .content-block p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.65;
            margin-bottom: 8px;
        }
        .content-block ul {
            list-style: disc;
            padding-left: 18px;
            margin: 6px 0 10px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.65;
        }
        .highlight-block {
            background: var(--primary-50);
            border: 1.5px solid var(--primary-light);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            margin: 12px 0;
        }
        .highlight-block h4 {
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: -0.01em;
            color: var(--secondary);
            margin-bottom: 4px;
        }
        .highlight-block p {
            font-size: 0.84rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin: 0;
        }
        .workflow-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .workflow-step {
            flex: 1;
            min-width: 120px;
            max-width: 160px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 16px 12px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }
        .workflow-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .workflow-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--nw-solid-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 8px;
        }
        .workflow-step .step-icon {
            margin-bottom: 6px;
        }
        .workflow-step .step-icon .svg-icon {
            width: 1.3rem;
            height: 1.3rem;
            color: var(--primary);
            margin: 0 auto;
        }
        .workflow-step h5 {
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: -0.01em;
            color: var(--secondary);
            margin-bottom: 2px;
        }
        .workflow-step .step-desc {
            font-size: 0.7rem;
            color: var(--text-muted);
            line-height: 1.4;
        }
        .pipeline-rows {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .pipeline-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .pipeline-step-inner {
            flex: 1;
            min-width: 100px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 12px 14px;
            text-align: center;
            font-weight: 600;
            font-size: 0.82rem;
            letter-spacing: -0.01em;
            color: var(--secondary);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .pipeline-step-inner.highlight-step {
            border-color: var(--primary);
            background: var(--primary-50);
            color: var(--primary);
        }
        .pipeline-arrow {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.2rem;
            flex-shrink: 0;
            line-height: 1;
        }
        .formula-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 14px;
        }
        .formula-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 18px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .formula-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
            transform: translateY(-2px);
        }
        .formula-card h4 {
            font-size: 0.9rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--secondary);
            margin-bottom: 8px;
        }
        .formula-display {
            background: var(--bg);
            border: 1.5px solid var(--border);
            border-radius: var(--radius);
            padding: 14px 16px;
            text-align: center;
            margin-bottom: 8px;
        }
        .formula-display .formula-main {
            font-size: 1.3rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--primary);
            line-height: 1.4;
        }
        .formula-display .formula-vars {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: 4px;
            line-height: 1.5;
        }
        .formula-card .formula-desc {
            font-size: 0.78rem;
            color: var(--text-secondary);
            line-height: 1.45;
        }
        .checklist {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .checklist li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .checklist li .check-icon {
            flex-shrink: 0;
            margin-top: 2px;
        }
        .checklist li .check-icon .svg-icon {
            width: 1rem;
            height: 1rem;
            color: #047857;
        }
        .standards-mini-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.84rem;
        }
        .standards-mini-table th,
        .standards-mini-table td {
            padding: 10px 12px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        .standards-mini-table th {
            font-weight: 600;
            color: var(--secondary);
            font-size: 0.78rem;
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }
        .standards-mini-table td {
            color: var(--text-secondary);
        }
        .standards-mini-table .tolerance-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.72rem;
            background: #d1fae5;
            color: #047857;
        }
        .dark .standards-mini-table .tolerance-badge {
            background: #052e16;
            color: #6ee7b7;
        }
        .last-updated-badge {
            text-align: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 10px;
            letter-spacing: 0.02em;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-card {
                padding: 14px 10px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .formula-grid {
                grid-template-columns: 1fr;
            }
            .workflow-steps {
                gap: 8px;
            }
            .workflow-step {
                min-width: 80px;
                max-width: 130px;
                padding: 12px 8px;
            }
            .pipeline-row {
                flex-direction: column;
                gap: 6px;
            }
            .pipeline-arrow {
                transform: rotate(90deg);
            }
            .content-block {
                padding: 16px 14px;
            }
            .standards-mini-table {
                font-size: 0.72rem;
            }
            .standards-mini-table th,
            .standards-mini-table td {
                padding: 6px 8px;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .workflow-steps {
                flex-direction: column;
                align-items: stretch;
            }
            .workflow-step {
                max-width: 100%;
                min-width: auto;
            }
            .formula-display .formula-main {
                font-size: 1.1rem;
            }
        }