初始化多多畅职企业内推平台项目

功能特性：
- 3D地球动画与中国地图可视化
- 省份/城市/企业搜索功能
- 308家企业数据展示
- 响应式设计（PC端和移动端）
- 企业详情页面与业务板块展示
- 官网新闻轮播图

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

js/scene/Transition.js

@@ -0,0 +1,104 @@
+/* ===================================
+   转场特效 - 从3D地球到2D地图的超空间跳跃
+   =================================== */
+
+import { CONFIG } from '../config.js';
+
+export class Transition {
+    constructor(camera, earthModel, uiElements, onComplete) {
+        this.camera = camera;
+        this.earthModel = earthModel;
+        this.uiElements = uiElements; // { uiLayer, hint, speedLines, cloudFog }
+        this.onComplete = onComplete;
+        this.isTransitioning = false;
+    }
+
+    // 触发超空间跳跃转场
+    trigger() {
+        if (this.isTransitioning) return;
+        this.isTransitioning = true;
+
+        // 获取UI元素
+        const { uiLayer, hint, speedLines, cloudFog } = this.uiElements;
+
+        // 0. UI 消失
+        uiLayer.style.opacity = 0;
+        hint.style.opacity = 0;
+
+        const earthGroup = this.earthModel.getGroup();
+        const clouds = this.earthModel.getClouds();
+        const atmosphere = this.earthModel.getAtmosphere();
+
+        // 创建GSAP时间线
+        const tl = gsap.timeline({
+            onComplete: () => {
+                this.isTransitioning = false;
+                if (this.onComplete) this.onComplete();
+            }
+        });
+
+        // 转场配置
+        const warpConfig = CONFIG.warp;
+        const transConfig = CONFIG.animation.transition;
+
+        // 1. 地球对齐 + 速度线出现
+        tl.to(earthGroup.rotation, {
+            y: warpConfig.targetRotationY,
+            x: warpConfig.targetRotationX,
+            duration: transConfig.earthRotation,
+            ease: "power2.inOut"
+        }, "start");
+
+        tl.to(speedLines, {
+            opacity: 1,
+            scale: 1.5,
+            duration: 1.0,
+            ease: "power1.in"
+        }, "start");
+
+        // 2. 镜头急速突进 (模拟穿过云层)
+        tl.to(this.camera.position, {
+            z: warpConfig.finalCameraZ,
+            x: 0,
+            y: 0,
+            duration: transConfig.cameraZoom,
+            ease: "expo.in",
+            onUpdate: () => {
+                // 镜头抖动效果 (Camera Shake) - 只在z<8时轻微抖动
+                const z = this.camera.position.z;
+                if (z < warpConfig.shakeThreshold.max && z > warpConfig.shakeThreshold.min) {
+                    const intensity = warpConfig.shakeIntensity;
+                    const shakeX = (Math.random() - 0.5) * intensity;
+                    const shakeY = (Math.random() - 0.5) * intensity;
+                    this.camera.position.x += shakeX;
+                    this.camera.position.y += shakeY;
+                }
+            }
+        }, "start");
+
+        // 3. 材质变化：大气层和云层迅速变淡（为了不挡视线）
+        tl.to([clouds.material, atmosphere.material], {
+            opacity: 0,
+            duration: 0.5
+        }, "-=0.8");
+
+        // 4. "云雾吞噬"特效 (Backdrop Blur + Brightness)
+        tl.to(cloudFog, {
+            opacity: 1,
+            scale: 1.2,
+            backdropFilter: "blur(20px)",
+            duration: transConfig.fogFade,
+            ease: "power2.in"
+        }, "-=0.8");
+    }
+
+    // 重置转场状态
+    reset() {
+        this.isTransitioning = false;
+    }
+
+    // 检查是否正在转场
+    isActive() {
+        return this.isTransitioning;
+    }
+}