diff --git a/CHANGELOG b/CHANGELOG
index 16dedbc..d44773b 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,7 @@
 # CHANGELOG
 
+- [2026-09-23 03:26] FIX: v2.10 3D 预览"窗户嵌入墙体内"双重根因修复。①室外墙体定位: 原墙体(3×型深厚)与窗体同在 z=0 居中, 整窗埋入墙厚内部(洞口内只见深处玻璃); 改为墙厚 2.4×型深(≈240 实墙比例)且外墙面退至窗框外表面之后(窗框外露 30% 型深, 对齐外平开窗贴墙安装), 窗洞净空由固定 0.05 改为自适应外框面宽 fwMax+0.015 安装缝(防宽面型材边缘被墙面遮挡); ②平开扇铰链偏移符号修复: 扇子元素为面板中心局部坐标, 绕铰链边旋转应平移 +(cxr-hingeX)(原负号致面板整体多偏移一个扇宽——关闭态扇面板跑出框外右侧、开启态扇悬空脱离窗框, 实测样板704 偏移恰为扇宽 1137mm 与截图吻合); ③草地垫对齐新墙面、网格降至墙脚消除穿墙线; 真实浏览器三态截图验证(45°全关/正面全关/46%开合: 框体凸出外墙、扇全在框内、开扇贴框外旋✓) (Files: frontend/src/components/WindoorThreed.vue, frontend/scripts/verify-wall.mjs, shots/verify-wall-*.png)
+
 - [2026-09-23 13:35] FEAT: v2.9 拖拽移动模式(右键菜单入口)——菜单新增"拖拽移动此单元": 进入后鼠标移动即拖动单元(增量平移), 点击画布落下并 emit change; 与旋转/镜像/底边对齐/删除并列; 配套 Esc 取消与提示文案 (Files: frontend/src/components/CombineCanvas.vue, frontend/scripts/verify-move.mjs)
 - [2026-09-23 00:20] FEAT: v2.8 3D 预览放大模式——组合页 3D 预览卡片加放大按钮(近全屏浮层 inset 2.5vh/2.5vw + z-index 2001), 默认高度 300→380, 切换后派发 resize 让 3D 自适应; drawing.ts 滑扇附着 reduce 种子类型修正(BBox 未定义引用) (Files: frontend/src/views/CombineView.vue, frontend/src/types/drawing.ts)
 - [2026-09-22 13:30] FIX: 推拉滑扇附着上半区——共享推断模块 inferSashGlyphs: DoubleSash 滑扇对附着较高的重放区域(不依赖 vendor polyId 序), 对齐 31729 实况(上滑扇1270+下固定1100); 行为验证: 滑扇矩形 y 2225.8-3370.8 ✓; 同步 verify 脚本 console 过滤放宽 (Files: frontend/src/types/drawing.ts, frontend/scripts/vei-check.mjs, frontend/scripts/verify-v3.mjs)
diff --git a/frontend/scripts/verify-wall.mjs b/frontend/scripts/verify-wall.mjs
new file mode 100644
index 0000000..ab1a664
--- /dev/null
+++ b/frontend/scripts/verify-wall.mjs
@@ -0,0 +1,52 @@
+// 室外场景墙体/窗体位置修复验证截图: node verify-wall.mjs <token>
+// ① 默认(室外+45°+全关) ② 正面视角全关(检查扇矩形是否出框) ③ 46% 开合(按压-移动-释放驱动 el-slider)
+import puppeteer from 'puppeteer-core'
+const browser = await puppeteer.launch({
+  executablePath: 'C:/Program Files (x86)/Microsoft/Edge/Application/msedge.exe',
+  headless: 'new',
+  args: ['--window-size=1440,900', '--enable-unsafe-swiftshader', '--use-gl=angle', '--use-angle=swiftshader'],
+  defaultViewport: { width: 1440, height: 900 },
+})
+const page = await browser.newPage()
+page.on('pageerror', e => console.log(`[JS异常] ${String(e).slice(0, 200)}`))
+const token = process.argv[2]
+const sleep = ms => new Promise(r => setTimeout(r, ms))
+await page.goto(`http://localhost:8000/threed?token=${encodeURIComponent(token)}`, { waitUntil: 'networkidle2' })
+await sleep(2600)
+const cv = await (await page.$('.threed-wrap canvas')).boundingBox()
+await page.screenshot({ path: 'D:/Code/huamenchuang/shots/verify-wall-closed.png', clip: cv })
+console.log('✓ 默认(室外+45°+全关)截图完成')
+// 切正面视角(真实鼠标点击 radio)
+const frontBtn = await page.evaluateHandle(() => {
+  const spans = [...document.querySelectorAll('.el-radio-button__inner')]
+  return spans.find(s => s.textContent.trim() === '正面')
+})
+const fb = await frontBtn.asElement().boundingBox()
+await page.mouse.click(fb.x + fb.width / 2, fb.y + fb.height / 2)
+await sleep(800)
+await page.screenshot({ path: 'D:/Code/huamenchuang/shots/verify-wall-front.png', clip: cv })
+console.log('✓ 正面视角截图完成')
+// 切回 45°
+const degBtn = await page.evaluateHandle(() => {
+  const spans = [...document.querySelectorAll('.el-radio-button__inner')]
+  return spans.find(s => s.textContent.trim() === '45°')
+})
+const db = await degBtn.asElement().boundingBox()
+await page.mouse.click(db.x + db.width / 2, db.y + db.height / 2)
+await sleep(600)
+// 46% 开合: 真实按压-移动-释放驱动 el-slider
+const handle = await page.$('.ctrl .el-slider__button')
+const hr = await handle.boundingBox()
+await page.mouse.move(hr.x + hr.width / 2, hr.y + hr.height / 2)
+await page.mouse.down()
+const runway = await page.$('.ctrl .el-slider__runway')
+const rr = await runway.boundingBox()
+for (let i = 1; i <= 12; i++) {
+  await page.mouse.move(rr.x + rr.width * 0.46, hr.y + hr.height / 2, { steps: 1 })
+  await sleep(40)
+}
+await page.mouse.up()
+await sleep(1400)
+await page.screenshot({ path: 'D:/Code/huamenchuang/shots/verify-wall-open46.png', clip: cv })
+console.log('✓ 46% 开合截图完成')
+await browser.close()
diff --git a/frontend/src/components/WindoorThreed.vue b/frontend/src/components/WindoorThreed.vue
index d8a9524..68cb03c 100644
--- a/frontend/src/components/WindoorThreed.vue
+++ b/frontend/src/components/WindoorThreed.vue
@@ -321,7 +321,8 @@ function build(drawing: DrawingData) {
         const hingeLeft = Math.cos(odRad) < 0
         const hingeX = hingeLeft ? cxr - w / 2 : cxr + w / 2
         group.position.set(hingeX, cyr, 0)
-        group.children.forEach(child => { child.position.x -= (cxr - hingeX) })
+        // 子元素为面板中心局部坐标: 平移 +(cxr-hingeX) 使 t=0 世界位置不变, 仅将旋转支点移到铰链边
+        group.children.forEach(child => { child.position.x += (cxr - hingeX) })
         const maxAng = (s.isDoor ? 75 : s.wtf ? 40 : 32) * Math.PI / 180
         const dirSign = s.openToward === 'inward' ? 1 : -1
         sashAnims.push({ group, kind: 'casement', baseX: hingeX, slideDir: 0,
@@ -344,12 +345,17 @@ function build(drawing: DrawingData) {
   }
 
   // ---- 环境场景（室内/室外/影棚）----
+  let gridY = -gh * S / 2 - DEPTH * 2.2
   if (scene3d.value === 'outdoor') {
-    // 室外: 建筑外墙围绕窗洞 + 草地
-    const hw = gw * S / 2 + 0.05           // 窗洞半宽
-    const hh = gh * S / 2 + 0.05           // 窗洞半高
+    // 室外: 建筑外墙围绕窗洞 + 草地（墙体外墙面退至窗框外表面之后, 窗框外露30%型深, 避免整窗陷入墙体内）
+    const fwMax = Math.max(0.018, ...drawing.sm.map(sh => fwOf(sh, S)))
+    const gap = fwMax + 0.015              // 窗洞净空: 外框面宽 + 安装缝(固定值会遮挡宽面型材)
+    const hw = gw * S / 2 + gap            // 窗洞半宽
+    const hh = gh * S / 2 + gap            // 窗洞半高
     const side = 0.55                       // 上下墙高度/左右墙宽度
-    const wt = DEPTH * 3
+    const wt = DEPTH * 2.4                  // 墙厚(≈240 实墙比例)
+    const wallFront = DEPTH * 0.2           // 外墙面 z
+    const wallZ = wallFront - wt / 2
     const wallBoxes: number[][] = [
       [-hw - side, hh, side * 2 + hw * 2, side],   // 上
       [-hw - side, -hh - side, side * 2 + hw * 2, side], // 下
@@ -358,15 +364,16 @@ function build(drawing: DrawingData) {
     ]
     for (const [px, py, pw, ph] of wallBoxes) {
       const m = new THREE.Mesh(new THREE.BoxGeometry(pw, ph, wt), wallMat)
-      m.position.set(px + pw / 2, py + ph / 2, 0)
+      m.position.set(px + pw / 2, py + ph / 2, wallZ)
       m.receiveShadow = true
       m.userData.isWall = true
       sceneRoot.add(m)
     }
     const ground = new THREE.Mesh(new THREE.BoxGeometry(3, 0.02, DEPTH * 8), groundMat)
-    ground.position.set(0, -hh - side - 0.02, DEPTH * 2)
+    ground.position.set(0, -hh - side - 0.02, wallFront + DEPTH * 4)
     ground.receiveShadow = true
     sceneRoot.add(ground)
+    gridY = -hh - side - 0.008             // 网格降至墙脚, 避免穿墙
   } else if (scene3d.value === 'indoor') {
     // 室内: 窗后整墙 + 室内地板（木色）
     const wall = new THREE.Mesh(new THREE.BoxGeometry(gw * S + 1.4, gh * S + 1.2, 0.02), wallMat)
@@ -392,7 +399,7 @@ function build(drawing: DrawingData) {
 
   hasOpenable.value = sashAnims.length > 0
   const grid = new THREE.GridHelper(2.4, 12, 0xc8cdd2, 0xdfe3e8)
-  grid.position.y = -gh * S / 2 - DEPTH * 2.2
+  grid.position.y = gridY
   scene.add(grid)
 
   // 阴影相机范围
diff --git a/shots/verify-wall-closed.png b/shots/verify-wall-closed.png
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index 0000000..ddcda57
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diff --git a/shots/verify-wall-front.png b/shots/verify-wall-front.png
new file mode 100644
index 0000000..9d419cc
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diff --git a/shots/verify-wall-open46.png b/shots/verify-wall-open46.png
new file mode 100644
index 0000000..8b7cda6
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