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.reading-exercise{margin:28px 0;padding:24px;border:1px solid #cbd7e5;border-left:4px solid #174c96;border-radius:10px;background:#f3f6fa}.reading-exercise h3{margin:8px 0 14px}.reading-exercise summary{cursor:pointer;font-weight:700;padding:12px 0;color:#071d49;min-height:44px}.reading-exercise summary:focus-visible{outline:3px solid #174c96;outline-offset:4px}.reading-exercise details[open]{border-top:1px solid #cbd7e5}.checklist-progress{font-weight:700;color:#174c96}@media(max-width:600px){.reading-exercise{padding:18px}}

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