diff --git a/apps/web/src/components/turnstile-box.tsx b/apps/web/src/components/turnstile-box.tsx
index aa6b9af..af31732 100644
--- a/apps/web/src/components/turnstile-box.tsx
+++ b/apps/web/src/components/turnstile-box.tsx
@@ -3,7 +3,7 @@ import * as React from "react"
 declare global {
   interface Window {
     turnstile?: {
-      render: (container: HTMLElement, options: { sitekey: string; callback: (token: string) => void; "expired-callback": () => void; "error-callback": () => void }) => string
+      render: (container: HTMLElement, options: { sitekey: string; size?: "normal" | "compact" | "flexible"; callback: (token: string) => void; "expired-callback": () => void; "error-callback": () => void }) => string
       remove: (widgetId: string) => void
     }
   }
@@ -20,6 +20,7 @@ export function TurnstileBox({ siteKey, onToken }: { siteKey: string; onToken: (
       ref.current.innerHTML = ""
       widgetId = window.turnstile.render(ref.current, {
         sitekey: siteKey,
+        size: "flexible",
         callback: onToken,
         "expired-callback": () => onToken(""),
         "error-callback": () => onToken(""),
@@ -46,5 +47,5 @@ export function TurnstileBox({ siteKey, onToken }: { siteKey: string; onToken: (
       if (widgetId && window.turnstile) window.turnstile.remove(widgetId)
     }
   }, [siteKey, onToken])
-  return <div className="flex justify-center"><div ref={ref} /></div>
+  return <div className="w-full"><div ref={ref} className="w-full" /></div>
 }
diff --git a/apps/web/src/pages/login.tsx b/apps/web/src/pages/login.tsx
index 95c047a..c6de1d8 100644
--- a/apps/web/src/pages/login.tsx
+++ b/apps/web/src/pages/login.tsx
@@ -1,6 +1,7 @@
 import * as React from "react"
 import { Link, Navigate } from "react-router-dom"
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query"
+import { ArrowRight, KeyRound, LockKeyhole } from "lucide-react"
 import { api } from "@/lib/api"
 import { useMe } from "@/hooks/use-me"
 import { TurnstileBox } from "@/components/turnstile-box"
@@ -34,42 +35,52 @@ export function LoginPage() {
   const turnstileRequired = !!publicSettings.data?.turnstileEnabled
   if (me.data?.user) return <Navigate to="/" replace />
   return (
-    <div className="grid min-h-screen place-items-center bg-background px-4">
-      <div className="w-full max-w-[360px]">
-        <div className="mb-10 text-center">
-          <h1 className="text-3xl font-bold tracking-tight">LanQin Email</h1>
+    <div className="flex min-h-screen items-center justify-center bg-muted/20 px-4 py-10">
+      <div className="w-full max-w-[420px]">
+        <div className="mb-7 text-center">
+          <h1 className="text-3xl font-semibold tracking-tight">LanQin Email</h1>
         </div>
-        <form className="space-y-5" onSubmit={(e) => { e.preventDefault(); if (!challengeToken && turnstileRequired && !turnstileToken) { toast({ title: "请先完成人机验证" }); return }; login.mutate(new FormData(e.currentTarget)) }}>
-          {!challengeToken ? (
-            <>
+        <div className="rounded-lg border bg-background p-6 shadow-sm sm:p-7">
+          <div className="mb-6 flex items-center gap-2 text-sm font-medium text-muted-foreground">
+            {challengeToken ? <KeyRound className="h-4 w-4" /> : <LockKeyhole className="h-4 w-4" />}
+            {challengeToken ? "双因素验证" : "账号登录"}
+          </div>
+          <form className="space-y-5" onSubmit={(e) => { e.preventDefault(); if (!challengeToken && turnstileRequired && !turnstileToken) { toast({ title: "请先完成人机验证" }); return }; login.mutate(new FormData(e.currentTarget)) }}>
+            {!challengeToken ? (
+              <>
+                <div className="space-y-2">
+                  <Label htmlFor="email" className="text-sm font-medium">邮箱</Label>
+                  <Input id="email" name="email" type="email" autoComplete="username" required className="h-11 text-base" />
+                </div>
+                <div className="space-y-2">
+                  <Label htmlFor="password" className="text-sm font-medium">密码</Label>
+                  <PasswordInput id="password" name="password" autoComplete="current-password" required className="h-11 text-base" />
+                </div>
+              </>
+            ) : (
               <div className="space-y-2">
-                <Label htmlFor="email">邮箱</Label>
-                <Input id="email" name="email" type="email" autoComplete="username" required className="h-11 text-base" />
+                <Label htmlFor="twoFactorCode" className="text-sm font-medium">双因素验证码</Label>
+                <Input id="twoFactorCode" name="twoFactorCode" inputMode="numeric" autoComplete="one-time-code" minLength={6} maxLength={6} required className="h-11 text-center text-lg tracking-[0.35em]" />
               </div>
-              <div className="space-y-2">
-                <Label htmlFor="password">密码</Label>
-                <PasswordInput id="password" name="password" autoComplete="current-password" required className="h-11 text-base" />
-              </div>
-            </>
-          ) : (
-            <div className="space-y-2">
-              <Label htmlFor="twoFactorCode">双因素验证码</Label>
-              <Input id="twoFactorCode" name="twoFactorCode" inputMode="numeric" autoComplete="one-time-code" minLength={6} maxLength={6} required className="h-11 text-base" />
-            </div>
-          )}
-          {!challengeToken && turnstileRequired && (
-            <TurnstileBox siteKey={publicSettings.data?.turnstileSiteKey || ""} onToken={setTurnstileToken} />
-          )}
-          <Button className="h-11 w-full text-base" disabled={login.isPending}>
-            {login.isPending ? "登录中..." : challengeToken ? "验证登录" : "登录"}
-          </Button>
-          {challengeToken && <Button type="button" variant="ghost" className="w-full" onClick={() => setChallengeToken("")}>返回登录</Button>}
-          {!challengeToken && (
-            <Button type="button" variant="ghost" className="w-full" asChild>
+            )}
+            {!challengeToken && turnstileRequired && (
+              <TurnstileBox siteKey={publicSettings.data?.turnstileSiteKey || ""} onToken={setTurnstileToken} />
+            )}
+            <Button className="h-11 w-full text-base" disabled={login.isPending}>
+              {login.isPending ? "登录中..." : challengeToken ? "验证登录" : "登录"}
+              {!login.isPending && <ArrowRight className="h-4 w-4" />}
+            </Button>
+            {challengeToken && <Button type="button" variant="ghost" className="w-full" onClick={() => setChallengeToken("")}>返回登录</Button>}
+          </form>
+        </div>
+        {!challengeToken && (
+          <div className="mt-5 flex items-center justify-center gap-2 text-sm text-muted-foreground">
+            <span>没有账号？</span>
+            <Button type="button" variant="link" className="h-auto px-0 text-sm" asChild>
               <Link to="/register">注册账号</Link>
             </Button>
-          )}
-        </form>
+          </div>
+        )}
       </div>
     </div>
   )
diff --git a/apps/web/src/pages/register.tsx b/apps/web/src/pages/register.tsx
index 9384e77..d4ffcc4 100644
--- a/apps/web/src/pages/register.tsx
+++ b/apps/web/src/pages/register.tsx
@@ -1,6 +1,7 @@
 import * as React from "react"
 import { Link, Navigate, useNavigate } from "react-router-dom"
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query"
+import { ArrowLeft, ArrowRight, UserPlus } from "lucide-react"
 import { api } from "@/lib/api"
 import type { PublicDomain } from "@/lib/api"
 import { useMe } from "@/hooks/use-me"
@@ -61,64 +62,78 @@ export function RegisterPage() {
   const turnstileRequired = !!publicSettings.data?.turnstileEnabled
   if (me.data?.user) return <Navigate to="/" replace />
   return (
-    <div className="grid min-h-screen place-items-center bg-background px-4">
-      <div className="w-full max-w-[360px]">
-        <div className="mb-10 text-center">
-          <h1 className="text-3xl font-bold tracking-tight">注册账号</h1>
+    <div className="flex min-h-screen items-center justify-center bg-muted/20 px-4 py-10">
+      <div className="w-full max-w-[420px]">
+        <div className="mb-7 text-center">
+          <h1 className="text-3xl font-semibold tracking-tight">LanQin Email</h1>
         </div>
-        {publicSettings.isSuccess && !publicSettings.data.openRegistration ? (
-          <div className="space-y-4">
-            <div className="rounded-md border p-4 text-center text-sm text-muted-foreground">当前未开放注册</div>
-            <Button type="button" variant="outline" className="w-full" asChild>
+        <div className="rounded-lg border bg-background p-6 shadow-sm sm:p-7">
+          <div className="mb-6 flex items-center gap-2 text-sm font-medium text-muted-foreground">
+            <UserPlus className="h-4 w-4" />
+            注册账号
+          </div>
+          {publicSettings.isSuccess && !publicSettings.data.openRegistration ? (
+            <div className="space-y-5">
+              <div className="rounded-md bg-muted/40 px-4 py-3 text-center text-sm text-muted-foreground">当前未开放注册</div>
+              <Button type="button" variant="outline" className="h-11 w-full text-base" asChild>
+                <Link to="/login">
+                  <ArrowLeft className="h-4 w-4" />
+                  返回登录
+                </Link>
+              </Button>
+            </div>
+          ) : (
+            <form className="space-y-5" onSubmit={(e) => { e.preventDefault(); if (turnstileRequired && !turnstileToken) { toast({ title: "请先完成人机验证" }); return }; register.mutate(new FormData(e.currentTarget)) }}>
+              {domains.length > 0 ? (
+                <div className="space-y-2">
+                  <Label htmlFor="localPart" className="text-sm font-medium">邮箱地址</Label>
+                  <div className="grid grid-cols-1 gap-2 sm:grid-cols-[minmax(0,1fr)_150px]">
+                    <Input id="localPart" name="localPart" className="h-11 text-base" placeholder="邮箱前缀" required />
+                    <Select value={domainId} onValueChange={setDomainId} required>
+                      <SelectTrigger className="h-11">
+                        <SelectValue placeholder="选择域名" />
+                      </SelectTrigger>
+                      <SelectContent>
+                        {domains.map((d) => (
+                          <SelectItem key={d.id} value={d.id}>{d.name}</SelectItem>
+                        ))}
+                      </SelectContent>
+                    </Select>
+                  </div>
+                </div>
+              ) : (
+                <div className="space-y-2">
+                  <Label htmlFor="email" className="text-sm font-medium">邮箱</Label>
+                  <Input id="email" name="email" type="email" autoComplete="username" required className="h-11 text-base" />
+                </div>
+              )}
+              <div className="space-y-2">
+                <Label htmlFor="displayName" className="text-sm font-medium">显示名称</Label>
+                <Input id="displayName" name="displayName" autoComplete="name" className="h-11 text-base" />
+              </div>
+              <div className="space-y-2">
+                <Label htmlFor="password" className="text-sm font-medium">密码</Label>
+                <PasswordInput id="password" name="password" autoComplete="new-password" minLength={8} required className="h-11 text-base" />
+              </div>
+              <div className="space-y-2">
+                <Label htmlFor="confirmPassword" className="text-sm font-medium">确认密码</Label>
+                <PasswordInput id="confirmPassword" name="confirmPassword" autoComplete="new-password" minLength={8} required className="h-11 text-base" />
+              </div>
+              {turnstileRequired && <TurnstileBox siteKey={publicSettings.data?.turnstileSiteKey || ""} onToken={setTurnstileToken} />}
+              <Button className="h-11 w-full text-base" disabled={register.isPending || publicSettings.isLoading}>
+                {register.isPending ? "注册中..." : "注册"}
+                {!register.isPending && <ArrowRight className="h-4 w-4" />}
+              </Button>
+            </form>
+          )}
+        </div>
+        {!(publicSettings.isSuccess && !publicSettings.data.openRegistration) && (
+          <div className="mt-5 flex items-center justify-center gap-2 text-sm text-muted-foreground">
+            <span>已有账号？</span>
+            <Button type="button" variant="link" className="h-auto px-0 text-sm" asChild>
               <Link to="/login">返回登录</Link>
             </Button>
           </div>
-        ) : (
-          <form className="space-y-5" onSubmit={(e) => { e.preventDefault(); if (turnstileRequired && !turnstileToken) { toast({ title: "请先完成人机验证" }); return }; register.mutate(new FormData(e.currentTarget)) }}>
-            {domains.length > 0 ? (
-              <div className="space-y-2">
-                <Label htmlFor="localPart">邮箱地址</Label>
-                <div className="flex items-center gap-2">
-                  <Input id="localPart" name="localPart" className="h-11 flex-1 text-base" placeholder="your-name" required />
-                  <span className="text-sm text-muted-foreground">@</span>
-                  <Select value={domainId} onValueChange={setDomainId} required>
-                    <SelectTrigger className="h-11 w-[140px]">
-                      <SelectValue placeholder="选择域名" />
-                    </SelectTrigger>
-                    <SelectContent>
-                      {domains.map((d) => (
-                        <SelectItem key={d.id} value={d.id}>{d.name}</SelectItem>
-                      ))}
-                    </SelectContent>
-                  </Select>
-                </div>
-              </div>
-            ) : (
-              <div className="space-y-2">
-                <Label htmlFor="email">邮箱</Label>
-                <Input id="email" name="email" type="email" autoComplete="username" required className="h-11 text-base" />
-              </div>
-            )}
-            <div className="space-y-2">
-              <Label htmlFor="displayName">显示名称</Label>
-              <Input id="displayName" name="displayName" autoComplete="name" className="h-11 text-base" />
-            </div>
-            <div className="space-y-2">
-              <Label htmlFor="password">密码</Label>
-              <PasswordInput id="password" name="password" autoComplete="new-password" minLength={8} required className="h-11 text-base" />
-            </div>
-            <div className="space-y-2">
-              <Label htmlFor="confirmPassword">确认密码</Label>
-              <PasswordInput id="confirmPassword" name="confirmPassword" autoComplete="new-password" minLength={8} required className="h-11 text-base" />
-            </div>
-            {turnstileRequired && <TurnstileBox siteKey={publicSettings.data?.turnstileSiteKey || ""} onToken={setTurnstileToken} />}
-            <Button className="h-11 w-full text-base" disabled={register.isPending || publicSettings.isLoading}>
-              {register.isPending ? "注册中..." : "注册"}
-            </Button>
-            <Button type="button" variant="ghost" className="w-full" asChild>
-              <Link to="/login">返回登录</Link>
-            </Button>
-          </form>
         )}
       </div>
     </div>