fix: refine treemap sizing and add earth bgp collectors

frontend/public/earth/js/info-card.js

@@ -49,6 +49,18 @@ const CARD_CONFIG = {
       { key: 'summary', label: '摘要' }
     ]
   },
+  bgp_collector: {
+    icon: '📍',
+    title: 'BGP观测站详情',
+    className: 'bgp',
+    fields: [
+      { key: 'collector', label: '采集器' },
+      { key: 'country', label: '国家' },
+      { key: 'city', label: '城市' },
+      { key: 'anomaly_count', label: '当前异常数' },
+      { key: 'status', label: '状态' }
+    ]
+  },
   supercomputer: {
     icon: '🖥️',
     title: '超算详情',