指定相机初始位置，优化科考轨迹列表显示效果。

src/views/dataSearch.vue

@@ -448,6 +448,11 @@ export default {
       this.viewer.scene.globe.showGroundAtmosphere = false
       this.viewer.scene.postProcessStages.fxaa.enabled = true
 
+      this.viewer.camera.setView({
+          // 指定相机初始位置
+          destination: Cesium.Cartesian3.fromDegrees(110, 18, 10000000)
+        });
+
       // 不显示底图
       this.viewer.imageryLayers.get(0).show = false
 

src/views/home.vue

@@ -372,6 +372,11 @@ export default {
       this.viewer.scene.globe.showGroundAtmosphere = false
       this.viewer.scene.postProcessStages.fxaa.enabled = true
 
+      this.viewer.camera.setView({
+          // 指定相机初始位置
+          destination: Cesium.Cartesian3.fromDegrees(110, 18, 10000000)
+        });
+
       // 改写 Cesium 原生鼠标滚轮事件，地图缩放改为按下 Ctrl + 鼠标滚轮
       modifyCesiumMouseWheel(this.viewer);
 
@@ -676,7 +681,7 @@ export default {
   .guiji {
     width: 100%;
     height: auto;
-    margin: 70px 0;
+    margin: 50px 0;
     margin-bottom: 0;
     display: flex;
     flex-direction: column;
@@ -700,12 +705,15 @@ export default {
       position: relative;
       width: 100%;
       height: 800px;
+      display: flex;
+      /* 导航列表居中显示 */
+      justify-content: center;
+      align-items: center;
 
       .daohang {
         position: absolute;
-        top: 50px;
-        left: 25%;
-        width: 50%;
+        top: 20px;
+        max-width: 50%;
         height: 60px;
         background: rgba($color: #000, $alpha: 0.7);
         border-radius: 10px;