diff --git a/apps/web/src/components/LoginScreen.tsx b/apps/web/src/components/LoginScreen.tsx
index 12496d26..6a45339e 100644
--- a/apps/web/src/components/LoginScreen.tsx
+++ b/apps/web/src/components/LoginScreen.tsx
@@ -23,47 +23,58 @@ export const LoginScreen = ({ error, isSubmitting, onSubmit }: LoginScreenProps)
   };
 
   return (
-    <main className="flex h-[100dvh] items-center justify-center bg-emerald-50 px-4 py-8 text-slate-950">
-      <section className="w-full max-w-[380px] rounded-md border border-emerald-100 bg-white p-5 shadow-panel">
-        <div className="mb-5 flex items-center gap-3">
-          <div className="flex h-10 w-10 items-center justify-center rounded-md border border-emerald-200 bg-emerald-100 text-emerald-900">
-            <LockKeyhole className="h-5 w-5" />
+    <main className="flex h-[100dvh] items-center justify-center bg-gradient-to-tr from-emerald-50/70 via-[#f6faf7] to-[#ebf3ee] px-4 py-8 text-slate-950">
+      <div className="absolute inset-0 bg-[radial-gradient(circle_at_top_right,rgba(98,127,88,0.06),transparent_45%)] pointer-events-none" />
+      <div className="absolute inset-0 bg-[radial-gradient(circle_at_bottom_left,rgba(98,127,88,0.04),transparent_55%)] pointer-events-none" />
+      
+      <section className="relative w-full max-w-[400px] rounded-2xl border border-[#627f58]/12 bg-white/95 p-8 shadow-[0_20px_50px_rgba(98,127,88,0.08)] backdrop-blur-md transition-all duration-300 hover:shadow-[0_24px_60px_rgba(98,127,88,0.12)]">
+        <div className="mb-8 flex items-center gap-4">
+          <div className="flex h-12 w-12 items-center justify-center rounded-xl bg-gradient-to-br from-emerald-500 to-[#627f58] text-white shadow-[0_8px_16px_-4px_rgba(98,127,88,0.35)]">
+            <LockKeyhole className="h-5.5 w-5.5" />
           </div>
           <div className="min-w-0">
-            <h1 className="text-lg font-semibold leading-tight tracking-normal">登录 EdgeEver</h1>
-            <p className="mt-1 text-sm text-slate-500">自托管笔记工作区</p>
+            <h1 className="text-xl font-bold leading-tight tracking-tight text-slate-900">登录 EdgeEver</h1>
+            <p className="mt-1 text-xs font-medium text-slate-400 uppercase tracking-wider">自托管笔记工作区</p>
           </div>
         </div>
 
-        <form className="space-y-4" onSubmit={handleSubmit}>
+        <form className="space-y-5" onSubmit={handleSubmit}>
           <label className="block">
-            <span className="mb-1.5 block text-sm font-medium text-slate-700">账号</span>
+            <span className="mb-2 block text-sm font-semibold text-slate-700">账号</span>
             <input
               autoComplete="username"
-              className="h-10 w-full rounded-md border border-emerald-100 bg-emerald-50/50 px-3 text-sm outline-none transition focus:border-emerald-300 focus:bg-white"
+              className="h-11 w-full rounded-lg border border-slate-200 bg-slate-50/50 px-3.5 text-sm outline-none transition-all duration-200 focus:border-[#627f58] focus:bg-white focus:ring-4 focus:ring-[#627f58]/10"
               value={username}
               onChange={(event) => setUsername(event.target.value)}
             />
           </label>
 
           <label className="block">
-            <span className="mb-1.5 block text-sm font-medium text-slate-700">密码</span>
+            <span className="mb-2 block text-sm font-semibold text-slate-700">密码</span>
             <input
               autoComplete="current-password"
-              className="h-10 w-full rounded-md border border-emerald-100 bg-emerald-50/50 px-3 text-sm outline-none transition focus:border-emerald-300 focus:bg-white"
+              className="h-11 w-full rounded-lg border border-slate-200 bg-slate-50/50 px-3.5 text-sm outline-none transition-all duration-200 focus:border-[#627f58] focus:bg-white focus:ring-4 focus:ring-[#627f58]/10"
               type="password"
               value={password}
               onChange={(event) => setPassword(event.target.value)}
             />
           </label>
 
-          {error ? (
-            <div className="rounded-md border border-rose-100 bg-rose-50 px-3 py-2 text-sm text-rose-700">{error}</div>
-          ) : null}
+          {error && (
+            <div className="rounded-lg border border-rose-100 bg-rose-50/80 px-3.5 py-2.5 text-xs font-medium text-rose-700 transition duration-150 animate-shake">
+              {error}
+            </div>
+          )}
 
-          <Button className="w-full justify-center" size="md" type="submit" variant="solid" disabled={isSubmitting}>
-            <LockKeyhole className="h-4 w-4" />
-            {isSubmitting ? "登录中" : "登录"}
+          <Button 
+            className="w-full h-11 justify-center rounded-lg bg-[#627f58] hover:bg-[#526d49] text-white font-semibold transition-all duration-200 shadow-[0_8px_20px_-4px_rgba(98,127,88,0.25)] hover:shadow-[0_12px_24px_-4px_rgba(98,127,88,0.35)]" 
+            size="md" 
+            type="submit" 
+            variant="solid" 
+            disabled={isSubmitting}
+          >
+            <LockKeyhole className="h-4 w-4 mr-1" />
+            {isSubmitting ? "安全登录中..." : "开启工作区"}
           </Button>
         </form>
       </section>
diff --git a/apps/web/src/components/NotebookPane.tsx b/apps/web/src/components/NotebookPane.tsx
index 54a009f2..a32846ba 100644
--- a/apps/web/src/components/NotebookPane.tsx
+++ b/apps/web/src/components/NotebookPane.tsx
@@ -294,13 +294,13 @@ export const NotebookPane = ({
       >
         <div className="mb-4 hidden overflow-hidden rounded-full border border-emerald-100 bg-white shadow-[0_10px_28px_rgba(15,23,42,0.08)] lg:flex">
           <button
-            className="flex h-14 min-w-0 flex-1 items-center gap-3 px-3 text-left transition hover:bg-emerald-50 disabled:cursor-not-allowed disabled:opacity-50"
+            className="flex h-14 min-w-0 flex-1 items-center gap-3 px-3 text-left transition-all duration-200 hover:bg-emerald-50/70 disabled:cursor-not-allowed disabled:opacity-50"
             type="button"
             title="新建笔记"
             onClick={onCreateMemo}
             disabled={!canCreateMemo || isCreatingMemo}
           >
-            <span className="flex h-10 w-10 shrink-0 items-center justify-center rounded-full bg-emerald-600 text-white shadow-[0_8px_18px_rgba(5,150,105,0.28)]">
+            <span className="flex h-10 w-10 shrink-0 items-center justify-center rounded-full bg-emerald-600 text-white shadow-[0_8px_18px_rgba(5,150,105,0.28)] transition-transform duration-200 group-hover:scale-105">
               <Plus className="h-6 w-6" />
             </span>
             <span className="min-w-0 truncate text-sm font-semibold text-slate-950">新建笔记</span>
@@ -322,7 +322,7 @@ export const NotebookPane = ({
             笔记本
           </span>
           <button
-            className="flex h-6 w-6 items-center justify-center rounded-md text-slate-500 transition hover:bg-emerald-50 hover:text-emerald-800 lg:hidden"
+            className="flex h-6 w-6 items-center justify-center rounded-md text-slate-500 transition-all duration-200 hover:bg-emerald-50 hover:text-emerald-800 lg:hidden"
             type="button"
             title="新建笔记本"
             aria-label="新建笔记本"
diff --git a/apps/web/src/components/NotebookTreeItem.tsx b/apps/web/src/components/NotebookTreeItem.tsx
index cef0fc01..f8d55414 100644
--- a/apps/web/src/components/NotebookTreeItem.tsx
+++ b/apps/web/src/components/NotebookTreeItem.tsx
@@ -9,6 +9,7 @@ import {
   notebookTreeContainsId,
   focusNotebookTreeButton,
   NOTEBOOK_DRAG_MIME,
+  setMemoDragPreview,
 } from "@/lib/app-helpers";
 import { cn } from "@/lib/utils";
 import type { Notebook } from "@edgeever/shared";
@@ -152,22 +153,21 @@ export const NotebookTreeItem = ({
           <div
             data-notebook-id={node.id}
             className={cn(
-              "group flex h-9 items-center gap-1 rounded-md px-2 text-sm transition-all duration-200 select-none",
+              "group relative flex h-9 items-center gap-1 rounded-md px-2 text-sm transition-all duration-200 select-none",
               selected
                 ? "bg-[#f3f7f1] font-medium text-[#526d49]"
                 : hasSelectedDescendant
                   ? "bg-[#f3f7f1]/70 text-[#526d49] hover:bg-[#f3f7f1]"
                   : "text-slate-700 hover:bg-slate-50",
               dropPosition === "inside" && "ring-2 ring-[#9eb093]",
-              dropPosition === "inside" && hasChildren && !open && "bg-[#f3f7f1]",
-              dropPosition === "before" && "shadow-[inset_0_2px_0_0_#627f58]",
-              dropPosition === "after" && "shadow-[inset_0_-2px_0_0_#627f58]"
+              dropPosition === "inside" && hasChildren && !open && "bg-[#f3f7f1]"
             )}
             draggable
             onDragStart={(event) => {
               event.dataTransfer.effectAllowed = "move";
               event.dataTransfer.setData(NOTEBOOK_DRAG_MIME, node.id);
               event.dataTransfer.setData("text/plain", node.id);
+              setMemoDragPreview(event.dataTransfer, `移动笔记本「${node.name}」`);
             }}
             onDragOver={handleDragOver}
             onDragLeave={() => {
@@ -280,6 +280,12 @@ export const NotebookTreeItem = ({
                 <Trash2 className="h-3.5 w-3.5" />
               </button>
             ) : null}
+            {dropPosition === "before" && (
+              <div className="absolute top-0 right-2 h-[3px] bg-[#627f58] rounded-full z-30 animate-pulse" style={{ left: `${20 + depth * 14}px` }} />
+            )}
+            {dropPosition === "after" && (
+              <div className="absolute bottom-0 right-2 h-[3px] bg-[#627f58] rounded-full z-30 animate-pulse" style={{ left: `${20 + depth * 14}px` }} />
+            )}
           </div>
         </ContextMenuTrigger>
         <ContextMenuContent className="w-48 bg-white border border-slate-200 rounded-md py-1 shadow-md">
diff --git a/apps/web/src/components/WorkspaceApp.tsx b/apps/web/src/components/WorkspaceApp.tsx
index 2012ae47..608b8e2a 100644
--- a/apps/web/src/components/WorkspaceApp.tsx
+++ b/apps/web/src/components/WorkspaceApp.tsx
@@ -1386,7 +1386,7 @@ export const WorkspaceApp = ({
         >
           <aside
             className={cn(
-              "min-h-0 border-r border-slate-200 bg-white/90 lg:block",
+              "min-h-0 border-r border-slate-200 bg-white/75 backdrop-blur-lg lg:block",
               activePane === "notebooks" ? "block" : "hidden"
             )}
           >
@@ -1441,7 +1441,7 @@ export const WorkspaceApp = ({
 
           <section
             className={cn(
-              "relative min-w-0 overflow-hidden border-r border-slate-200 bg-[#f6faf7] lg:block lg:bg-white",
+              "relative min-w-0 overflow-hidden border-r border-slate-200 bg-[#f8faf8] lg:block lg:bg-white/75 lg:backdrop-blur-lg",
               activePane === "memos" ? "block" : "hidden"
             )}
           >
diff --git a/apps/web/src/lib/app-helpers.ts b/apps/web/src/lib/app-helpers.ts
index 9cd37b6c..4c1f9fa6 100644
--- a/apps/web/src/lib/app-helpers.ts
+++ b/apps/web/src/lib/app-helpers.ts
@@ -511,22 +511,30 @@ export const notebookTreeContainsId = (nodes: NotebookNode[], targetNotebookId:
 export const setMemoDragPreview = (dataTransfer: DataTransfer, label: string) => {
   const dragImage = document.createElement("div");
 
-  dragImage.textContent = label;
+  dragImage.innerHTML = `
+    <svg style="width: 15px; height: 15px; color: #627f58; flex-shrink: 0;" fill="none" stroke="currentColor" stroke-width="2.5" viewBox="0 0 24 24">
+      <path stroke-linecap="round" stroke-linejoin="round" d="M19.5 14.25v-2.625a3.375 3.375 0 00-3.375-3.375h-1.5A1.125 1.125 0 0113.5 7.125v-1.5a3.375 3.375 0 00-3.375-3.375H8.25m0 12.75h7.5m-7.5 3H12M10.5 2.25H5.625c-.621 0-1.125.504-1.125 1.125v17.25c0 .621.504 1.125 1.125 1.125h12.75c.621 0 1.125-.504 1.125-1.125V11.25a9 9 0 00-9-9z"></path>
+    </svg>
+    <span style="overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600;">${label}</span>
+  `;
+
   Object.assign(dragImage.style, {
     position: "fixed",
     top: "-9999px",
     left: "-9999px",
-    maxWidth: "220px",
-    overflow: "hidden",
-    textOverflow: "ellipsis",
-    whiteSpace: "nowrap",
-    border: "1px solid #cbd9c4",
-    borderRadius: "6px",
-    background: "#f3f7f1",
-    boxShadow: "0 14px 30px rgba(15, 23, 42, 0.16)",
-    color: "#1f2a1f",
-    font: "600 13px system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif",
-    padding: "8px 10px",
+    display: "flex",
+    alignItems: "center",
+    gap: "8px",
+    maxWidth: "240px",
+    border: "1px solid rgba(98, 127, 88, 0.28)",
+    borderRadius: "8px",
+    background: "rgba(244, 248, 243, 0.9)",
+    backdropFilter: "blur(10px)",
+    webkitBackdropFilter: "blur(10px)",
+    boxShadow: "0 12px 24px -4px rgba(98, 127, 88, 0.15), 0 4px 12px -2px rgba(15, 23, 42, 0.05)",
+    color: "#2c3b28",
+    font: "13px system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif",
+    padding: "8px 12px",
     pointerEvents: "none",
     zIndex: "9999",
   });
diff --git a/apps/web/src/lib/app-hooks.ts b/apps/web/src/lib/app-hooks.ts
index 554e80d0..89dae042 100644
--- a/apps/web/src/lib/app-hooks.ts
+++ b/apps/web/src/lib/app-hooks.ts
@@ -412,7 +412,7 @@ export const useBottomSheetSwipeToClose = <T extends HTMLElement>(sheetRef: RefO
 
   const handlePointerDown = useCallback(
     (event: ReactPointerEvent<HTMLElement>) => {
-      if (event.pointerType === "mouse" || !event.isPrimary) {
+      if (!event.isPrimary) {
         return;
       }
 
diff --git a/apps/web/src/styles/globals.css b/apps/web/src/styles/globals.css
index 1d739bec..ab085887 100644
--- a/apps/web/src/styles/globals.css
+++ b/apps/web/src/styles/globals.css
@@ -174,3 +174,24 @@ textarea {
   height: 0;
   pointer-events: none;
 }
+
+/* Custom premium scrollbar style */
+::-webkit-scrollbar {
+  width: 6px;
+  height: 6px;
+}
+::-webkit-scrollbar-track {
+  background: transparent;
+}
+::-webkit-scrollbar-thumb {
+  background: rgba(98, 127, 88, 0.16);
+  border-radius: 9999px;
+}
+::-webkit-scrollbar-thumb:hover {
+  background: rgba(98, 127, 88, 0.35);
+}
+
+* {
+  scrollbar-width: thin;
+  scrollbar-color: rgba(98, 127, 88, 0.16) transparent;
+}