.identity-card {
            background: rgba(70, 130, 180, 0.05);
            border-left: 4px solid var(--primary-color);
            padding: 0.8rem 1rem;
            border-radius: 4px;
            margin-bottom: 1rem;
        }
        .identity-formula {
            font-size: 1.2rem;
            font-weight: 500;
            font-family: monospace;
        }
        .result-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1rem 0;
        }
        .result-table th, .result-table td {
            padding: 10px;
            border-bottom: 1px solid #ddd;
            text-align: left;
        }
        .result-table tr:last-child td {
            border-bottom: none;
        }
        .val-highlight {
            font-weight: 700;
            color: #0d6efd;
            font-size: 1.1rem;
        }
        .unit-circle-canvas {
            width: 100%;
            background: #fafcff;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
            border: 1px solid #e0e0e0;
        }
        .legend-circle {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-right: 20px;
        }
        .legend-dot {
            width: 14px;
            height: 14px;
            border-radius: 50%;
        }
        .legend-line {
            width: 24px;
            height: 2px;
            background-color: currentColor;
        }
        .tool-section {
            margin-bottom: 2rem;
        }
        .author-badge {
            background: #f1f8fe;
            border-radius: 40px;
            padding: 0.2rem 1rem;
            font-size: 0.85rem;
            display: inline-block;
        }
        .warning-message {
            background: #fff3cd;
            border-left: 4px solid #ffc107;
            padding: 0.75rem;
            border-radius: 6px;
        }
        .disclaimer-note {
            background-color: #e9ecef;
            border-left: 4px solid #6c757d;
            padding: 0.75rem 1rem;
            font-size: 0.85rem;
            border-radius: 4px;
            margin-top: 1rem;
        }
        .last-updated {
            font-size: 0.8rem;
            color: #6c757d;
            border-top: 1px solid #eee;
            padding-top: 0.75rem;
            margin-top: 1rem;
            text-align: right;
        }