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ease}.knowledge-card-word{font-size:15px;font-weight:700;color:var(--primary);margin-bottom:2px}.knowledge-card-pron{font-size:12px;color:var(--text-muted);margin-bottom:6px}.knowledge-card-meaning{font-size:13px;color:var(--text-secondary);line-height:1.5}@media(max-width:767px){.chat-right{display:none}}@media(min-width:768px)and (max-width:1023px){.chat-right{width:240px}}