From dac7aefeb45235b7954d4a1a0336438d62ed0710 Mon Sep 17 00:00:00 2001
From: fukunee <fukun.ee@foxmail.com>
Date: Sat, 19 Sep 2026 02:56:49 +0800
Subject: [PATCH] =?UTF-8?q?=E6=A0=87=E8=AE=B0=E4=BE=BF=E7=AD=BE=E5=8F=AF?=
 =?UTF-8?q?=E8=A7=81=E8=B7=9D=E7=A6=BB=E6=94=B9=E4=B8=BA=208000km?=
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---
 src/scene/CesiumGlobe.js | 33 ++++++++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

diff --git a/src/scene/CesiumGlobe.js b/src/scene/CesiumGlobe.js
index 763a1cf..97006f6 100644
--- a/src/scene/CesiumGlobe.js
+++ b/src/scene/CesiumGlobe.js
@@ -1,6 +1,25 @@
-import * as Cesium from 'cesium';
 import { ENTRIES } from '../data/entries.js';
 
+// Cesium 懒加载：脚本首次进入“地理”视图时才加载；用 Proxy 惰性访问 window.Cesium，
+// 使下方 50 余处 Cesium.xxx 引用无需逐个改动。
+const Cesium = new Proxy({}, {
+  get(_t, prop) { return window.Cesium[prop]; },
+});
+
+const CESIUM_BASE = '/cesium';
+
+function loadCesium() {
+  return new Promise((resolve, reject) => {
+    if (window.Cesium) return resolve();
+    window.CESIUM_BASE_URL = CESIUM_BASE;
+    const s = document.createElement('script');
+    s.src = `${CESIUM_BASE}/Cesium.js`;
+    s.onload = () => resolve();
+    s.onerror = () => reject(new Error('Cesium 脚本加载失败'));
+    document.head.appendChild(s);
+  });
+}
+
 // 免费、无需 Ion 令牌的影像与地形源
 const IMAGERY_URL =
   'https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}';
@@ -107,10 +126,12 @@ export class CesiumGlobe {
     this.ready = new Promise((resolve) => { this._resolveReady = resolve; });
   }
 
-  ensureCreated() {
+  async ensureCreated() {
     if (this._created) return;
     this._created = true;
 
+    await loadCesium();
+
     // 调整实体渲染顺序：先渲染标签（城市/国家名），再渲染 Billboard（标记便签），
     // 让词条标记始终显示在城市/国家名的上层。
     Cesium.DataSourceDisplay.defaultVisualizersCallback = function (
@@ -228,6 +249,12 @@ export class CesiumGlobe {
     viewer.camera.setView({
       destination: Cesium.Cartesian3.fromDegrees(35, 12, 7.2e6),
     });
+
+    // 创建完成：同步当前选中/可见/相机状态（首次进入时这些调用可能因 viewer 未建而跳过）
+    this.setSelected(this.selected);
+    this.setVisible(this._visible);
+    this.resize();
+    this.flyToEntry(this.selected);
   }
 
   _buildMarkers() {
@@ -271,7 +298,7 @@ export class CesiumGlobe {
   _updateMarkerLayer() {
     const scene = this.viewer.scene;
     const camera = scene.camera;
-    const outOfRange = camera.positionCartographic.height > 1e7; // 最远 1 万 km 内显示
+    const outOfRange = camera.positionCartographic.height > 8e6; // 最远 8000 km 内显示
 
     for (const m of this.markers) {
       const el = m.el;