feat: 首次推送到Gitea - 完整项目代码 + 安全加固 + 知识库

public/avatars/neutral_retro_004.svg

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" width="512" height="512">
+  <defs>
+  <linearGradient id="bg" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" stop-color="#78716c"/>
+      <stop offset="100%" stop-color="#57534e"/>
+    </linearGradient>
+  </defs>
+  <rect width="512" height="512" fill="url(#bg)" clip-path="url(#clip)"/>
+  <rect x="30" y="30" width="452" height="452" rx="40" fill="none" stroke="white" stroke-width="3" opacity="0.15"/><rect x="50" y="50" width="412" height="412" rx="30" fill="none" stroke="white" stroke-width="1.5" opacity="0.1"/>
+  <polygon points="256,195 272.5,233.5 311,250 272.5,266.5 256,305 239.5,266.5 201,250 239.5,233.5" fill="white" opacity="0.85"/>
+</svg>