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a:hover{text-decoration:underline}.brain-hub-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.brain-hub-card{border:1px solid var(--brain-line);background:#fff;border-radius:16px;flex-direction:column;padding:27px;display:flex}.brain-hub-card:hover{background:#f8fbff;border-color:#84a9dd}.brain-card-number{color:#597cab;font-variant-numeric:tabular-nums;margin-bottom:25px;font-size:.75rem}.brain-hub-card h2{letter-spacing:-.02em;margin-bottom:16px;font-size:1.35rem;font-weight:700;line-height:1.3}.brain-hub-card p{color:#566b87;flex-grow:1;font-size:.9rem;line-height:1.8}.brain-card-footer{color:var(--brain-blue);justify-content:space-between;margin-top:27px;font-size:.72rem;display:flex}.brain-index-note{border-top:1px solid var(--brain-line);max-width:850px;margin-top:55px;padding-top:35px}.brain-index-note h2{margin-bottom:15px;font-size:1.5rem;font-weight:700}.brain-index-note p{color:#536780;margin:15px 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