.fur-preview{color:#000;background:#fff;max-width:210mm;margin:0 auto;padding:20mm;font-family:Arial,sans-serif;line-height:1.6}.fur-preview h1{color:#b45309;margin:20px 0 10px;font-size:28px;font-weight:700}.fur-preview h2{color:#2563eb;margin:16px 0 8px;font-size:22px;font-weight:700}.fur-preview h3{color:#1e40af;margin:12px 0 6px;font-size:18px;font-weight:700}.fur-preview code{background:#f3f4f6;border-radius:3px;padding:2px 6px;font-family:Courier New,monospace}.fur-preview pre{background:#f3f4f6;border-left:4px solid #3b82f6;margin:12px 0;padding:12px;font-family:Courier New,monospace;overflow-x:auto}.fur-preview ul,.fur-preview ol{margin:8px 0 8px 20px}.fur-preview li{margin:4px 0}.fur-preview hr{border:none;border-top:2px solid #e5e7eb;margin:16px 0}.fur-preview a{color:#2563eb;text-decoration:none}