补充主题静态资源与归档模板

assets/img/placeholder.svg

@@ -0,0 +1,10 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="800" height="450" viewBox="0 0 800 450" role="img" aria-label="Placeholder">
+  <defs>
+    <linearGradient id="g" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#4facfe"/>
+      <stop offset="100%" style="stop-color:#00f2fe"/>
+    </linearGradient>
+  </defs>
+  <rect width="800" height="450" fill="url(#g)"/>
+  <text x="50%" y="50%" dominant-baseline="middle" text-anchor="middle" fill="#fff" font-family="system-ui,sans-serif" font-size="28" opacity="0.9">AKSRT</text>
+</svg>