.coeff-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .coeff-table th, .coeff-table td {
            padding: 0.5rem;
            border: 1px solid #dee2e6;
            text-align: center;
        }
        .coeff-table th {
            background-color: #f1f3f5;
        }
        .series-expression {
            background-color: #eef2fa;
            padding: 1rem;
            border-radius: 8px;
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            overflow-x: auto;
            white-space: pre-wrap;
        }
        .canvas-container {
            background: #fefefe;
            border-radius: 12px;
            padding: 0.5rem;
            margin-top: 1rem;
            border: 1px solid #e9ecef;
        }
        .legend {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-top: 0.6rem;
            font-size: 0.85rem;
        }
        .legend-color {
            width: 18px;
            height: 18px;
            display: inline-block;
            border-radius: 2px;
            margin-right: 6px;
            vertical-align: middle;
        }
        .property-table td{word-break:break-all}