词条便签整体缩小，圆角更小

src/scene/CesiumGlobe.js

@@ -55,7 +55,7 @@ function sphericalAreaKm2(polys) {
 // 生成便签 canvas：黄底圆角 + 左侧箭头 + 黑色加粗文字（整张图，箭头尖端指向坐标）
 // 选中态：先描粗边再填充，得到一条干净的 2px 外描边（四周预留 B 的 padding 防止裁切）
 function makeStickyNote(text, fontSize, selected = false) {
-  const padX = 8, padY = 5, radius = 4, arrowW = 13, arrowH = 16, S = 2, B = 2; // S: 2x 超采样，B: 边框预留
+  const padX = 7, padY = 4, radius = 2, arrowW = 11, arrowH = 14, S = 2, B = 2; // S: 2x 超采样，B: 边框预留
   const font = `bold ${fontSize}px "Noto Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif`;
   const m = document.createElement('canvas');
   const mctx = m.getContext('2d');
@@ -324,8 +324,8 @@ export class CesiumGlobe {
   _buildMarkers() {
     ENTRIES.forEach((entry, i) => {
       const position = Cesium.Cartesian3.fromDegrees(entry.lng, entry.lat);
-      const noteNormal = makeStickyNote(entry.name, 16, false);
-      const noteSelected = makeStickyNote(entry.name, 16, true);
+      const noteNormal = makeStickyNote(entry.name, 14, false);
+      const noteSelected = makeStickyNote(entry.name, 14, true);
       this.markers.push({
         lng: entry.lng,
         lat: entry.lat,