diff --git a/deploy/landing/index.html b/deploy/landing/index.html
index 56dba07..cb242c7 100644
--- a/deploy/landing/index.html
+++ b/deploy/landing/index.html
@@ -37,13 +37,12 @@ a { color: inherit; text-decoration: none; }
 
 .top-brand { display: flex; align-items: center; gap: 8px; }
 .logo {
+  /* 横版锁标 1511.75x413.59（≈3.65:1）：48px 高 ⇒ 约 175px 宽，
+     锁标内部的"艾动智能"字样约 24px，与页头原有文字观感一致 */
   height: 48px;
   width: auto;
   display: block;
-  /* 品牌图标是满幅方形（本身无圆角），48px 下加一点圆角更像 app 图标，不至于是一块硬方块 */
-  border-radius: 10px;
 }
-.top-name { font-size: 24px; font-weight: 800; color: #1A1C20; letter-spacing: 0.02em; }
 
 .top-links { display: flex; gap: 8px; }
 .top-link {
@@ -165,9 +164,9 @@ h1 .accent { color: #2563EB; }
   <!-- 上：顶部导航 -->
   <div class="top">
     <div class="top-brand">
-      <!-- 页头品牌图标：与 favicon 同一个文件（logo/favicon.svg），保证全站一致 -->
-      <img class="logo" src="favicon.svg" alt="艾动智能">
-      <span class="top-name">艾动智能</span>
+      <!-- 横版锁标（图标 + "艾动智能"字样，文字已转为路径、无字体依赖）。
+           与 tab 图标同源：logo/纯色横向.svg → favicon 用其方形变体 -->
+      <img class="logo" src="logo.svg" alt="艾动智能">
     </div>
     <div class="top-links">
       <a href="/doc/" class="top-link">开发文档</a>
diff --git a/deploy/landing/logo.svg b/deploy/landing/logo.svg
new file mode 100644
index 0000000..9208a29
--- /dev/null
+++ b/deploy/landing/logo.svg
@@ -0,0 +1,2 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1511.75 413.59">
+<title>艾动智能</title><g id="layerAll"><g id="layerArt"><path fill="#0366e6" 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\ No newline at end of file
diff --git a/software/web/src/pages/Login.tsx b/software/web/src/pages/Login.tsx
index 5b5a16a..420d5af 100644
--- a/software/web/src/pages/Login.tsx
+++ b/software/web/src/pages/Login.tsx
@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useRef, useState } from 'react';
+import { useCallback, useEffect, useRef, useState } from 'react';
 import { useNavigate } from 'react-router-dom';
 import { useAuthStore } from '@/stores/auth';
 import { api } from '@/api/request';
@@ -125,7 +125,9 @@ export default function Login() {
         border: '1px solid #e2e8f0',
       }}>
         <div style={{ textAlign: 'center', marginBottom: 32 }}>
-          <img src="/pms/logo.png" alt="艾动智能" style={{ height: 40, display: 'block', margin: '0 auto' }} />
+          {/* 横版锁标：与官网页头同源（logo/纯色横向.svg）。用 SVG 而非 PNG 拷贝，
+              矢量更锐利，且 12KB vs 76KB */}
+          <img src="/pms/logo.svg" alt="艾动智能" style={{ height: 40, display: 'block', margin: '0 auto' }} />
         </div>
 
         <form onSubmit={handleLoginClick} autoComplete="off">