style: 站点图标改为白底深灰线条风格

- favicon.svg：背景 #ffffff，外框 #a1a1aa，`>` 提示符与光标改为深灰 #3f3f46
- 登录页内联 SVG logo 同步为同一配色，保持品牌统一
- 保留浅灰外框：浏览器标签背景偏浅，避免纯白方块融入背景看不出轮廓

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>

diff --git a/frontend/favicon.svg b/frontend/favicon.svg
index 3a0be9a3ad777bcd206e8ce3f9fc3ed06dc8b61f..4b266ad7f71d0aa0235a57b72ff877f4a552bddf 100644 (file)
--- a/frontend/favicon.svg
+++ b/frontend/favicon.svg
@@ -1,6 +1,6 @@
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" fill="none">
-  <rect width="100" height="100" rx="20" fill="#18181b"/>
-  <rect x="1.5" y="1.5" width="97" height="97" rx="18.5" stroke="#3f3f46" stroke-width="3"/>
-  <path d="M30 38L46 50L30 62" stroke="#f4f4f5" stroke-width="7" stroke-linecap="round" stroke-linejoin="round"/>
-  <rect x="54" y="56" width="18" height="6" rx="1.5" fill="#a1a1aa"/>
+  <rect width="100" height="100" rx="20" fill="#ffffff"/>
+  <rect x="1.5" y="1.5" width="97" height="97" rx="18.5" stroke="#a1a1aa" stroke-width="3"/>
+  <path d="M30 38L46 50L30 62" stroke="#3f3f46" stroke-width="7" stroke-linecap="round" stroke-linejoin="round"/>
+  <rect x="54" y="56" width="18" height="6" rx="1.5" fill="#3f3f46"/>
 </svg>

diff --git a/frontend/index.html b/frontend/index.html
index 0283d3f11e847263b14f19ee1ab79a2efe729c46..41019695068840dc84880a90e9eb4414d2e7c584 100644 (file)
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -260,10 +260,10 @@ body { position: fixed; top: 0; left: 0; right: 0; bottom: 0; width: 100%; heigh
   <div class="login-card">
     <div class="logo">
       <svg width="56" height="56" viewBox="0 0 100 100" fill="none" xmlns="http://www.w3.org/2000/svg">
-        <rect width="100" height="100" rx="20" fill="#18181b"/>
-        <rect x="1.5" y="1.5" width="97" height="97" rx="18.5" stroke="#3f3f46" stroke-width="3"/>
-        <path d="M30 38L46 50L30 62" stroke="#f4f4f5" stroke-width="7" stroke-linecap="round" stroke-linejoin="round"/>
-        <rect x="54" y="56" width="18" height="6" rx="1.5" fill="#a1a1aa"/>
+        <rect width="100" height="100" rx="20" fill="#ffffff"/>
+        <rect x="1.5" y="1.5" width="97" height="97" rx="18.5" stroke="#a1a1aa" stroke-width="3"/>
+        <path d="M30 38L46 50L30 62" stroke="#3f3f46" stroke-width="7" stroke-linecap="round" stroke-linejoin="round"/>
+        <rect x="54" y="56" width="18" height="6" rx="1.5" fill="#3f3f46"/>
       </svg>
     </div>
     <h1>Codebuddy Console</h1>