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

public/bot-avatars/edu_abroad_problem.svg

@@ -2,40 +2,43 @@
 <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="#fbbf24"/>
-      <stop offset="100%" stop-color="#f43f5e"/>
+      <stop offset="0%" stop-color="#fb7185"/>
+      <stop offset="100%" stop-color="#fb923c"/>
     </linearGradient>
-    <filter id="shadow" x="-50%" y="-50%" width="200%" height="200%">
-      <feGaussianBlur in="SourceAlpha" stdDeviation="6"/>
-      <feOffset dx="0" dy="4" result="offsetblur"/>
-      <feComponentTransfer><feFuncA type="linear" slope="0.35"/></feComponentTransfer>
-      <feMerge><feMergeNode/><feMergeNode in="SourceGraphic"/></feMerge>
-    </filter>
   </defs>
   <!-- 背景渐变 -->
   <rect width="512" height="512" fill="url(#bg)"/>
   <!-- 装饰图形 -->
-  <circle cx="76.4" cy="154.8" r="40" fill="white" opacity="0.18"/>
-    <rect x="391.1" y="48" width="83" height="62" transform="rotate(52 432.6 79)" fill="white" opacity="0.14"/>
-    <circle cx="398" cy="369.2" r="97" fill="white" opacity="0.12"/>
-    <polygon points="60,390.4 167.4,453.5 56.9,460" fill="white" opacity="0.16"/>
+  <rect x="50" y="190" width="50" height="50" fill="white" opacity="0.12" transform="rotate(181 75 215)"/>
+    <rect x="50" y="400" width="50" height="50" fill="white" opacity="0.12" transform="rotate(181 75 425)"/>
+    <rect x="120" y="120" width="50" height="50" fill="white" opacity="0.12" transform="rotate(181 145 145)"/>
+    <rect x="120" y="330" width="50" height="50" fill="white" opacity="0.12" transform="rotate(181 145 355)"/>
+    <rect x="190" y="50" width="50" height="50" fill="white" opacity="0.12" transform="rotate(181 215 75)"/>
+    <rect x="190" y="260" width="50" height="50" fill="white" opacity="0.12" transform="rotate(181 215 285)"/>
+    <rect x="260" y="190" width="50" height="50" fill="white" opacity="0.12" transform="rotate(181 285 215)"/>
+    <rect x="260" y="400" width="50" height="50" fill="white" opacity="0.12" transform="rotate(181 285 425)"/>
+    <rect x="330" y="120" width="50" height="50" fill="white" opacity="0.12" transform="rotate(181 355 145)"/>
+    <rect x="330" y="330" width="50" height="50" fill="white" opacity="0.12" transform="rotate(181 355 355)"/>
+    <rect x="400" y="50" width="50" height="50" fill="white" opacity="0.12" transform="rotate(181 425 75)"/>
+    <rect x="400" y="260" width="50" height="50" fill="white" opacity="0.12" transform="rotate(181 425 285)"/>
   <!-- 角色徽章 -->
   <rect x="20" y="20" width="92" height="28" rx="14" fill="rgba(255,255,255,0.25)"/>
        <text x="66" y="38" text-anchor="middle" fill="white" font-size="13" font-weight="600" font-family="system-ui">行业专家</text>
-  <!-- 中央大字母 -->
-  <text x="256" y="320" text-anchor="middle" fill="white" font-size="280" font-weight="800" font-family="system-ui,-apple-system,sans-serif" filter="url(#shadow)">留</text>
-  <!-- 右下角 🤖 标识（用 path 画，不依赖 emoji 字体） -->
+  <!-- 中央大字母（带阴影） -->
+  <text x="258" y="322" text-anchor="middle" fill="rgba(0,0,0,0.3)" font-size="280" font-weight="800" font-family="system-ui,-apple-system,sans-serif">留</text>
+  <text x="256" y="320" text-anchor="middle" fill="white" font-size="280" font-weight="800" font-family="system-ui,-apple-system,sans-serif">留</text>
+  <!-- 右下角 🤖 标识 -->
   <g transform="translate(440 440)">
     <circle cx="0" cy="0" r="32" fill="white" opacity="0.95"/>
-    <path d="M-12 -4 L-12 8 Q-12 14 -6 14 L6 14 Q12 14 12 8 L12 -4 Q12 -10 6 -10 L-6 -10 Q-12 -10 -12 -4 Z" fill="#fbbf24"/>
+    <path d="M-12 -4 L-12 8 Q-12 14 -6 14 L6 14 Q12 14 12 8 L12 -4 Q12 -10 6 -10 L-6 -10 Q-12 -10 -12 -4 Z" fill="#fb7185"/>
     <circle cx="-4" cy="0" r="2" fill="white"/>
     <circle cx="4" cy="0" r="2" fill="white"/>
     <line x1="-6" y1="6" x2="6" y2="6" stroke="white" stroke-width="1.5" stroke-linecap="round"/>
-    <line x1="-8" y1="-12" x2="-12" y2="-16" stroke="#fbbf24" stroke-width="2" stroke-linecap="round"/>
-    <line x1="0" y1="-14" x2="0" y2="-20" stroke="#fbbf24" stroke-width="2" stroke-linecap="round"/>
-    <line x1="8" y1="-12" x2="12" y2="-16" stroke="#fbbf24" stroke-width="2" stroke-linecap="round"/>
-    <circle cx="-12" cy="-16" r="2" fill="#fbbf24"/>
-    <circle cx="0" cy="-20" r="2" fill="#fbbf24"/>
-    <circle cx="12" cy="-16" r="2" fill="#fbbf24"/>
+    <line x1="-8" y1="-12" x2="-12" y2="-16" stroke="#fb7185" stroke-width="2" stroke-linecap="round"/>
+    <line x1="0" y1="-14" x2="0" y2="-20" stroke="#fb7185" stroke-width="2" stroke-linecap="round"/>
+    <line x1="8" y1="-12" x2="12" y2="-16" stroke="#fb7185" stroke-width="2" stroke-linecap="round"/>
+    <circle cx="-12" cy="-16" r="2" fill="#fb7185"/>
+    <circle cx="0" cy="-20" r="2" fill="#fb7185"/>
+    <circle cx="12" cy="-16" r="2" fill="#fb7185"/>
   </g>
 </svg>