调整了福大生存指南中的图片和结构，调整了章节导航栏的呈现效果

index.md

@@ -22,6 +22,7 @@ features:
   - title: 福大生存指南
     icon: <svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32"><path fill="currentColor" d="M10 31H6a2.006 2.006 0 0 1-2-2v-7a2.006 2.006 0 0 1-2-2v-6a2.947 2.947 0 0 1 3-3h6a2.947 2.947 0 0 1 3 3v6a2.006 2.006 0 0 1-2 2v7a2.006 2.006 0 0 1-2 2M5 13a.945.945 0 0 0-1 1v6h2v9h4v-9h2v-6a.945.945 0 0 0-1-1zm3-3a4 4 0 1 1 4-4a4.005 4.005 0 0 1-4 4m0-6a2 2 0 1 0 2 2a2 2 0 0 0-2-2m20.766.256A4.21 4.21 0 0 0 23 4.032a4.21 4.21 0 0 0-5.766.224a4.32 4.32 0 0 0 0 6.044l5.764 5.84l.002-.002l.002.001l5.764-5.839a4.32 4.32 0 0 0 0-6.044m-1.424 4.639l-4.34 4.397L23 13.29l-.002.002l-4.34-4.397a2.31 2.31 0 0 1 0-3.234a2.264 2.264 0 0 1 3.156 0l1.181 1.207l.005-.005l.005.005l1.18-1.207a2.264 2.264 0 0 1 3.157 0a2.31 2.31 0 0 1 0 3.234"/></svg>
     details: 福大生存指南，为所有FZUer提供生存指南，包括生活、学习等各方面。
+    link: /福大生存指南/生存指南
   - title: 技术资源汇总(杭电支持版)
     icon: <svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32"><path fill="none" d="m16 7l1.912 3.667l4.088.506l-3 2.753l.6 4.074l-3.6-2.292L12.4 18l.6-4.074l-3-2.753l4.2-.506z"/><path fill="currentColor" d="M16 2A11.013 11.013 0 0 0 5 13a10.9 10.9 0 0 0 2.216 6.6s.3.395.349.452L16 30l8.439-9.953c.044-.053.345-.447.345-.447l.001-.003A10.9 10.9 0 0 0 27 13A11.013 11.013 0 0 0 16 2m3.6 16L16 15.709L12.4 18l.6-4.074l-3-2.753l4.2-.507L16 7l1.912 3.667l4.088.506l-3 2.753Z"/></svg>
     link: /技术资源汇总(杭电支持版)/内容索引