.callout{background:#e5e5e5;padding:1.25rem 1.5rem;margin:1.5rem 0;border-radius:.75rem;box-shadow:0 1px 4px rgba(0,0,0,5%);border-left:6px solid #d1d5db}.callout>strong:first-child{display:block;font-weight:700;font-size:1.4rem;line-height:1.3;margin-bottom:.6rem;color:#111827;letter-spacing:-.01em}.callout .content{font-size:.95rem;line-height:1.6;color:#1f2937}.callout-note{border-left-color:#9ca3af;background:#f9fafb}@media(prefers-color-scheme:dark){.callout{background:#1f2937;color:#e5e7eb;border-left-color:#4b5563}.callout>strong:first-child{color:#f9fafb}.callout .content{color:#d1d5db}}