.callout-key{background-color:#eef4fa;border-left:6px solid #0057b8;padding:20px;border-radius:6px;margin:32px 0;font-size:16px;line-height:1.6}.callout-key-title{font-size:20px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;color:#222}.callout-key-title::before{content:"💡";font-size:22px;margin-right:8px}.callout-key ul{list-style-type:disc;margin:0;padding-left:22px}.callout-key li{margin-bottom:8px}