Update cluster_insight.py

cluster_insight.py

@@ -23,6 +23,7 @@ import pickle
 from sklearn.feature_extraction.text import TfidfVectorizer
 import jieba
 
+CHINESE_FONT = "Noto Sans SC" # 思源黑体（跨平台兼容，Plotly 自带）
 
 def extract_cluster_keywords_auto(sentences, labels, cluster_id, top_n=3):
     """
@@ -198,6 +199,10 @@ def cluster_and_visualize(
         marker=dict(size=10, color=point_colors, opacity=0.7),
         text=[f"聚类 {l}" for l in labels],
         hoverinfo='text',
+        hoverlabel=dict(
+            font=dict(family=CHINESE_FONT, size=16),  # hover 字体适配中文
+            bgcolor='white'
+        ),
         showlegend=False
     ))
     # 聚类中心
@@ -211,13 +216,18 @@ def cluster_and_visualize(
             marker=dict(size=30, color=cluster_colors[i], line=dict(width=2, color='black')),
             text=[keyword],
             textposition="top center",
-            textfont=dict(family="SimHei", size=20, color='black'),
+            textfont=dict(family=CHINESE_FONT, size=20, color='black', weight='bold'),
             showlegend=False
         ))
 
     fig.update_layout(
         title="EGISInsight：学生反馈聚类洞察",
-        font=dict(family="Microsoft YaHei", size=18),
+        titlefont=dict(
+            family=CHINESE_FONT,
+            size=22,
+            weight='bold'
+        ),
+        font=dict(family=CHINESE_FONT, size=18),
         width=900, height=600,
         plot_bgcolor='#F5F5F5',
         autosize=False,   # 关闭自动缩放