标签改小；国家名近处不再隐藏

src/scene/CesiumGlobe.js

@@ -430,7 +430,7 @@ export class CesiumGlobe {
         let cname = props.NAME_ZH || props.NAME;
         if (cname === '中华民国') cname = '中国台湾';
         if (cname && props.LABEL_X != null && props.LABEL_Y != null) {
-          const fontSize = areaKm2 > 5e6 ? 30 : areaKm2 > 1.5e6 ? 19 : areaKm2 > 3e5 ? 15 : 12;
+          const fontSize = areaKm2 > 5e6 ? 22 : areaKm2 > 1.5e6 ? 15 : areaKm2 > 3e5 ? 12 : 10;
           countryLabels.add({
             position: Cesium.Cartesian3.fromDegrees(props.LABEL_X, props.LABEL_Y),
             text: cname,
@@ -439,7 +439,7 @@ export class CesiumGlobe {
             style: Cesium.LabelStyle.FILL,
             heightReference: Cesium.HeightReference.CLAMP_TO_GROUND,
             disableDepthTestDistance: 0, // 背面（视野外）不渲染
-            distanceDisplayCondition: new Cesium.DistanceDisplayCondition(1e6, 1e7),
+            distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0, 1e7),
             scaleByDistance: new Cesium.NearFarScalar(1e4, 20 / 15, 6e6, 1.0),
             translucencyByDistance: new Cesium.NearFarScalar(9e6, 1.0, 1e7, 0.0),
           });
@@ -513,7 +513,7 @@ export class CesiumGlobe {
       labels.add({
         position,
         text: c.name,
-        font: 'bold 14px "Noto Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif',
+        font: 'bold 11px "Noto Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif',
         fillColor: black,
         style: Cesium.LabelStyle.FILL,
         horizontalOrigin: Cesium.HorizontalOrigin.CENTER,