词条便签逆时针旋转45°（绕箭头尖），命中测试改用实际矩形

src/scene/CesiumGlobe.js

@@ -418,6 +418,8 @@ export class CesiumGlobe {
       m.screenX = -1e9;
       m.screenY = -1e9;
       el.style.backgroundImage = `url("${m.normalUrl}")`;
+      el.style.transform = 'rotate(-45deg)';
+      el.style.transformOrigin = `${m.tipX}px ${m.tipY}px`;
       this._markerLayer.appendChild(el);
     }
 
@@ -462,13 +464,14 @@ export class CesiumGlobe {
     viewer.screenSpaceEventHandler.setInputAction((movement) => {
       const x = movement.position.x;
       const y = movement.position.y;
+      const canvasRect = viewer.canvas.getBoundingClientRect();
       for (const m of this.markers) {
-        if (!m.el || m.el.style.display === 'none') continue;
-        const w = m.noteNormal.width;
-        const h = m.noteNormal.height;
+        const el = m.el;
+        if (!el || el.style.display === 'none') continue;
+        const r = el.getBoundingClientRect();
         if (
-          x >= m.screenX && x <= m.screenX + w &&
-          y >= m.screenY && y <= m.screenY + h
+          x >= r.left - canvasRect.left && x <= r.right - canvasRect.left &&
+          y >= r.top - canvasRect.top && y <= r.bottom - canvasRect.top
         ) {
           this.onPick?.(m.index);
           break;