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.formula-block { margin: 18px 0; }
.formula { margin-top: 8px; padding: 12px 14px; border-radius: 8px; background: #f6f8fb; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; overflow-x: auto; }
.math-answer { margin-top: 20px; }