feat: add logo image to nav and favicon, update contact open positions

- Add logo.png to navbar alongside KnowledgeXLab text
- Set logo.png as browser favicon
- Update Open Positions description to align with research directions

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: jokester-zzz

_config.yml

@@ -5,8 +5,8 @@ url: "https://knowledgexlab.github.io"
 baseurl: ""
 
 # Lab info
-lab_email: "lab@university.edu"
-lab_location: "Room 404, CS Building"
+lab_email: "knowledgex@pjlab.org.cn"
+lab_location: "Building L1, International Media Port, No. 129 Longwen Road, Xuhui District, Shanghai"
 lab_github: "https://github.com/KnowledgeXLab"
 lab_twitter: ""
 

_includes/header.html

@@ -1,6 +1,9 @@
 <nav class="site-nav">
   <div class="container">
-    <a href="{{ '/' | relative_url }}" class="logo"><span style="color: var(--accent)">KnowledgeX</span>Lab</span></a>
+    <a href="{{ '/' | relative_url }}" class="logo">
+      <img src="{{ '/assets/images/logo.png' | relative_url }}" alt="" class="logo-img">
+      <span class="logo-text"><span>KnowledgeX</span>Lab</span>
+    </a>
     <div class="nav-right">
       <ul class="nav-links" id="nav-links">
         {% for link in site.nav_links %}

_layouts/default.html

@@ -8,6 +8,7 @@
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap" rel="stylesheet">
+  <link rel="icon" type="image/png" href="{{ '/assets/images/logo.png' | relative_url }}">
   <link rel="stylesheet" href="{{ '/assets/css/main.css' | relative_url }}">
   <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css">
   <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/jpswalsh/academicons@1/css/academicons.min.css">

assets/css/main.css

@@ -99,14 +99,20 @@ img { max-width: 100%; height: auto; display: block; }
 }
 
 .site-nav .logo {
+  display: flex; align-items: center;
+  text-decoration: none;
+}
+.logo-img {
+  height: 28px; width: auto;
+  display: block; margin-right: 8px;
+}
+.logo-text {
   font-family: var(--font-display);
-  font-weight: 600;
-  font-size: 1.125rem;
+  font-weight: 600; font-size: 1.125rem;
   letter-spacing: 0.01em;
   color: var(--text-primary);
-  text-decoration: none;
 }
-.site-nav .logo span { color: var(--accent); font-style: italic; }
+.logo-text span { color: var(--accent); font-style: italic; }
 
 .nav-links {
   display: flex; align-items: center; gap: 28px; list-style: none;

assets/images/logo.png

@@ -36,9 +36,9 @@ description: Get in touch with KnowledgeXLab — collaborations, student applica
 <div class="positions-box">
   <h3>🎓 Open Positions</h3>
   <p>
-    We are looking for self-motivated PhD students and research interns who are passionate about AGI,
-    knowledge graphs, reasoning, and human-AI interaction. If you are interested in joining our lab,
-    please send your CV and a brief research statement to our email.
+    We are looking for self-motivated PhD students and research interns with interests in
+    continual learning, knowledge reasoning, or foundation models for vertical domains.
+    Send your CV and a brief research statement to our email.
   </p>
   <a href="mailto:{{ site.lab_email }}" class="btn btn-primary">Send Application →</a>
 </div>