diff --git a/.memory/worklog.json b/.memory/worklog.json
index 55a1320..aab86bd 100644
--- a/.memory/worklog.json
+++ b/.memory/worklog.json
@@ -1,18 +1,5 @@
 {
   "entries": [
-    {
-      "files_changed": 3,
-      "message": "Claude 会话活跃 · 最近命令：claude · 3 项未提交变更 · 最近提交：auto-save 2026-05-14 02:58 (~6)",
-      "ts": "2026-05-13T19:03:11Z",
-      "type": "session-heartbeat"
-    },
-    {
-      "files_changed": 3,
-      "hash": "3df3ce4",
-      "message": "auto-save 2026-05-14 03:03 (~3)",
-      "ts": "2026-05-14T03:04:09+08:00",
-      "type": "commit"
-    },
     {
       "files_changed": 3,
       "message": "Codex 会话活跃 · 最近命令：codex · 3 项未提交变更 · 最近提交：auto-save 2026-05-14 03:03 (~3)",
@@ -3256,6 +3243,19 @@
       "message": "auto-save 2026-05-15 18:45 (~3)",
       "hash": "d466f48",
       "files_changed": 3
+    },
+    {
+      "ts": "2026-05-15T18:51:34+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-15 18:51 (~1)",
+      "hash": "7919e65",
+      "files_changed": 1
+    },
+    {
+      "ts": "2026-05-15T10:54:49Z",
+      "type": "session-heartbeat",
+      "message": "Codex 会话活跃 · 最近命令：codex · 2 项未提交变更 · 最近提交：auto-save 2026-05-15 18:51 (~1)",
+      "files_changed": 2
     }
   ]
 }
diff --git a/web/app/login/page.tsx b/web/app/login/page.tsx
index 2e284b5..76c2eea 100644
--- a/web/app/login/page.tsx
+++ b/web/app/login/page.tsx
@@ -90,8 +90,8 @@ export default function LoginPage() {
       <OasisCanvas />
       <div className="login-oasis-shade" />
       <div className="relative z-10 mx-auto flex min-h-[calc(100vh-3rem)] w-full max-w-7xl items-center">
-        <div className="grid w-full gap-5 lg:grid-cols-[minmax(0,1.16fr)_minmax(380px,440px)] lg:items-stretch">
-          <section className="login-hero login-oasis-hero order-2 relative min-h-[540px] overflow-hidden p-1 text-white sm:p-2 lg:order-1 lg:min-h-[660px]">
+        <div className="grid w-full gap-5 lg:grid-cols-[minmax(0,1.28fr)_minmax(320px,380px)] lg:items-center">
+          <section className="login-hero login-oasis-hero order-2 relative min-h-[540px] overflow-hidden p-1 text-white sm:p-2 lg:order-1 lg:min-h-[620px]">
             <div className="relative z-10 flex h-full flex-col">
               <div className="flex flex-wrap items-center justify-between gap-4">
                 <div className="login-wordmark">
@@ -140,10 +140,10 @@ export default function LoginPage() {
             </div>
           </section>
 
-          <section className="login-auth-panel order-1 flex min-h-[470px] items-center rounded-[8px] p-5 sm:p-8 lg:order-2 lg:min-h-[660px]">
+          <section className="login-auth-panel order-1 flex min-h-[390px] items-center rounded-[8px] p-5 sm:p-8 lg:order-2 lg:min-h-[460px]">
             <form className="w-full" onSubmit={onSubmit}>
-              <div className="mb-8">
-                <div className="login-auth-icon mb-4 inline-flex h-12 w-12 items-center justify-center rounded-[8px] text-white">
+              <div className="mb-6">
+                <div className="login-auth-icon mb-4 inline-flex h-10 w-10 items-center justify-center rounded-[8px] text-white">
                   <LockKeyhole className="h-5 w-5" />
                 </div>
                 <h2 className="text-2xl font-semibold text-white">身份验证</h2>
diff --git a/web/components/login/oasis-canvas.tsx b/web/components/login/oasis-canvas.tsx
index 5516fe8..efa890e 100644
--- a/web/components/login/oasis-canvas.tsx
+++ b/web/components/login/oasis-canvas.tsx
@@ -1,8 +1,38 @@
 "use client"
 
+import { useEffect, useRef } from "react"
+
 export function OasisCanvas() {
+  const frameRef = useRef<HTMLIFrameElement | null>(null)
+
+  useEffect(() => {
+    const sendPointer = (type: "pointermove" | "pointerleave", event?: PointerEvent) => {
+      const frameWindow = frameRef.current?.contentWindow
+      if (!frameWindow) return
+      frameWindow.postMessage(
+        {
+          type: `skg-oasis-${type}`,
+          x: event?.clientX ?? 99999,
+          y: event?.clientY ?? 99999,
+        },
+        window.location.origin,
+      )
+    }
+
+    const onPointerMove = (event: PointerEvent) => sendPointer("pointermove", event)
+    const onPointerLeave = () => sendPointer("pointerleave")
+
+    window.addEventListener("pointermove", onPointerMove)
+    window.addEventListener("pointerleave", onPointerLeave)
+    return () => {
+      window.removeEventListener("pointermove", onPointerMove)
+      window.removeEventListener("pointerleave", onPointerLeave)
+    }
+  }, [])
+
   return (
     <iframe
+      ref={frameRef}
       allow="webgpu; fullscreen"
       aria-hidden="true"
       className="login-oasis-canvas"
diff --git a/web/public/oasis-source/index.html b/web/public/oasis-source/index.html
index 511e20c..6ba2234 100644
--- a/web/public/oasis-source/index.html
+++ b/web/public/oasis-source/index.html
@@ -1380,16 +1380,29 @@
 		const grassPlane = new THREE.Plane(new THREE.Vector3(0, 1, 0), 0);
 		const hitPoint = new THREE.Vector3();
 
-		window.addEventListener('mousemove', (e) => {
-			mouseNDC.set((e.clientX / innerWidth) * 2 - 1, -(e.clientY / innerHeight) * 2 + 1);
+		function applyPointerToGrass(clientX, clientY) {
+			mouseNDC.set((clientX / innerWidth) * 2 - 1, -(clientY / innerHeight) * 2 + 1);
 			raycaster.setFromCamera(mouseNDC, camera);
 			if (raycaster.ray.intersectPlane(grassPlane, hitPoint)) {
 				mouseWorld.value.copy(hitPoint);
 				// Compute distance from camera to mouse hit for auto-focus
 				mouseFocusDist = camera.position.distanceTo(hitPoint);
 			}
+		}
+
+		window.addEventListener('mousemove', (e) => {
+			applyPointerToGrass(e.clientX, e.clientY);
 		});
 		window.addEventListener('mouseleave', () => mouseWorld.value.set(99999, 0, 99999));
+		window.addEventListener('message', (event) => {
+			const data = event.data || {};
+			if (data.type === 'skg-oasis-pointermove') {
+				applyPointerToGrass(data.x, data.y);
+			}
+			if (data.type === 'skg-oasis-pointerleave') {
+				mouseWorld.value.set(99999, 0, 99999);
+			}
+		});
 
 		let resizeTimeout;
 		window.addEventListener('resize', () => {