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0}@media(max-width:600px){.derivative-box[data-astro-cid-lr3vqq2l]{grid-template-columns:1fr}}.derivative-card-item[data-astro-cid-lr3vqq2l]{background-color:var(--canvas);border:1px solid var(--hairline);border-radius:var(--radius-md);padding:var(--space-lg);box-shadow:var(--shadow-l2);display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-sm)}.math-display-sm[data-astro-cid-lr3vqq2l]{font-size:1.5rem;font-family:Times New Roman,Times,serif;font-style:italic;color:var(--primary-ink);margin:var(--space-xs) 0}.derivative-proof[data-astro-cid-lr3vqq2l]{border-left:4px solid var(--violet);margin-top:var(--space-lg)}.print-only[data-astro-cid-lr3vqq2l]{display:none}@media print{.print-only[data-astro-cid-lr3vqq2l]{display:block!important}.print-grid[data-astro-cid-lr3vqq2l]{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px}.print-card[data-astro-cid-lr3vqq2l]{border:1px solid 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