更新平台 logo：顶栏与浏览器 favicon 换用 CareerNexus 职联官方徽标（徽标裁切版 + 完整字标版入库）

webui/index.html

@@ -4,15 +4,14 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>CareerNexus 职联 · 岗位与能力图谱平台</title>
-  <link rel="stylesheet" href="/static/style.css?v=20260831">
+  <link rel="icon" type="image/png" href="/static/logo.png">
+  <link rel="stylesheet" href="/static/style.css?v=20260831-2">
 </head>
 <body>
   <!-- ============ 顶部栏 56px ============ -->
   <header class="topbar">
     <div class="brand">
-      <span class="brand-logo">
-        <svg viewBox="0 0 24 24" fill="none"><circle cx="6" cy="6" r="3"/><circle cx="18" cy="7" r="3"/><circle cx="12" cy="18" r="3"/><path d="M8.5 7.5l7-1M7.5 8.8l3 6.4M16.5 9.6l-3 5.6"/></svg>
-      </span>
+      <span class="brand-logo"><img src="/static/logo.png" alt="CareerNexus 职联"></span>
       <span class="brand-name">CareerNexus <b>职联</b></span>
     </div>
     <div class="topbar-left-actions">

webui/style.css

@@ -80,11 +80,11 @@ svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width:
 .icon-btn.sm svg { width: 14px; height: 14px; }
 .brand { display: flex; align-items: center; gap: 8px; }
 .brand-logo {
-  width: 30px; height: 30px; border-radius: 7px;
-  background: linear-gradient(135deg, #1890ff, #13c2c2);
+  width: 32px; height: 32px; border-radius: 8px; overflow: hidden;
+  background: #fff; border: 1px solid var(--border);
   display: inline-flex; align-items: center; justify-content: center;
 }
-.brand-logo svg { width: 19px; height: 19px; color: #fff; }
+.brand-logo img { width: 100%; height: 100%; object-fit: contain; }
 .brand-name { font-size: 16px; color: var(--text-1); letter-spacing: 0.2px; }
 .brand-name b { font-weight: 600; }
 .page-title {