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

public/avatars/male_tech_020.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="#1d4ed8"/>
+      <stop offset="100%" stop-color="#f0abfc"/>
+    </linearGradient>
+  </defs>
+  <rect width="512" height="512" fill="url(#bg)" clip-path="url(#clip)"/>
+  <path d="M0 400 Q50 380 100 400 T200 400 T300 400 T400 400 T512 400 L512 512 L0 512Z" fill="white" opacity="0.1"/>
+  <path d="M220 250 L244 220 L244 280" stroke="white" fill="none" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" opacity="0.8"/><path d="M292 250 L268 220 L268 280" stroke="white" fill="none" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" opacity="0.8"/>
+</svg>