diff --git a/src/managers/engine-manager.ts b/src/managers/engine-manager.ts
index b313932..5d07104 100644
--- a/src/managers/engine-manager.ts
+++ b/src/managers/engine-manager.ts
@@ -8,6 +8,7 @@ import { RightKeyManager } from './right-key-manager';
 import { infoMenuButton } from '../components/menu/buttons/info';
 import { homeMenuButton } from '../components/menu/buttons/home';
 import type { MeasureMode } from '../types/measure';
+import type { SectionBoxRange } from '../components/section-box-panel/types';
 
 /**
  * 3D 引擎管理器
@@ -195,6 +196,49 @@ export class EngineManager extends BaseManager {
         return this.engineInstance.getCurrentSectionAxis();
     }
 
+    /** 激活剖切盒 */
+    public activateSectionBox(): void {
+        if (!this.engineInstance) {
+            console.warn('[EngineManager] 3D Engine not initialized.');
+            return;
+        }
+        this.engineInstance.activateSectionBox();
+    }
+
+    /** 停用剖切盒 */
+    public deactivateSectionBox(): void {
+        if (!this.engineInstance) {
+            return;
+        }
+        this.engineInstance.deactivateSectionBox();
+    }
+
+    /** 设置剖切盒范围（百分比 0-100） */
+    public setSectionBoxRange(range: SectionBoxRange): void {
+        if (!this.engineInstance) {
+            console.warn('[EngineManager] 3D Engine not initialized.');
+            return;
+        }
+        this.engineInstance.setSectionBoxRange(range);
+    }
+
+    /** 适应剖切盒到模型 */
+    public fitSectionBoxToModel(): void {
+        if (!this.engineInstance) {
+            console.warn('[EngineManager] 3D Engine not initialized.');
+            return;
+        }
+        this.engineInstance.fitSectionBoxToModel();
+    }
+
+    /** 重置剖切盒 */
+    public resetSectionBox(): void {
+        if (!this.engineInstance) {
+            return;
+        }
+        this.engineInstance.resetSectionBox();
+    }
+
     /** 激活框选放大功能 */
     public activateZoomBox(): void {
         if (!this.engineInstance) {
@@ -204,6 +248,74 @@ export class EngineManager extends BaseManager {
         this.engineInstance.activateZoomBox();
     }
 
+    // ==================== 漫游功能 ====================
+
+    /** 激活第一人称漫游模式 */
+    public activateFirstPersonMode(): void {
+        if (!this.engineInstance) {
+            console.warn('[EngineManager] 3D Engine not initialized.');
+            return;
+        }
+        this.engineInstance.activateFirstPersonMode();
+    }
+
+    /** 停用第一人称漫游模式 */
+    public deactivateFirstPersonMode(): void {
+        if (!this.engineInstance) {
+            return;
+        }
+        this.engineInstance.deactivateFirstPersonMode();
+    }
+
+    /**
+     * 设置漫游移动速度
+     * @param speed 移动速度
+     */
+    public setWalkSpeed(speed: number): void {
+        if (!this.engineInstance) {
+            console.warn('[EngineManager] 3D Engine not initialized.');
+            return;
+        }
+        this.engineInstance.setWalkSpeed(speed);
+    }
+
+    /**
+     * 设置漫游重力开关
+     * @param enabled 是否启用重力
+     */
+    public setWalkGravity(enabled: boolean): void {
+        if (!this.engineInstance) {
+            console.warn('[EngineManager] 3D Engine not initialized.');
+            return;
+        }
+        this.engineInstance.setWalkGravity(enabled);
+    }
+
+    /**
+     * 设置漫游碰撞检测开关
+     * @param enabled 是否启用碰撞检测
+     */
+    public setWalkCollision(enabled: boolean): void {
+        if (!this.engineInstance) {
+            console.warn('[EngineManager] 3D Engine not initialized.');
+            return;
+        }
+        this.engineInstance.setWalkCollision(enabled);
+    }
+
+    /**
+     * 获取漫游模式是否激活
+     * @returns 是否处于漫游模式
+     */
+    public isFirstPersonModeActive(): boolean {
+        if (!this.engineInstance) {
+            return false;
+        }
+        return this.engineInstance.isFirstPersonModeActive();
+    }
+
+    // ==================== 结束：漫游功能 ====================
+
     /** 销毁引擎管理器 */
     public destroy(): void {
         if (this.engineInstance) {