修复移动端目录悬浮球，修复文章页布局，优化画廊

src/components/CursorGlow.astro

@@ -0,0 +1,56 @@
+---
+---
+
+<div class="wi-cursor-glow" id="wi-cursor-glow"></div>
+
+<script is:inline>
+  (function(){
+    var glowEl = document.getElementById("wi-cursor-glow");
+    if (!glowEl) return;
+    var rafId = 0;
+    document.addEventListener("mousemove", function(e) {
+      if (rafId) return;
+      rafId = requestAnimationFrame(function() {
+        glowEl.style.transform = "translate(calc(" + e.clientX + "px - 50%), calc(" + e.clientY + "px - 50%))";
+        glowEl.classList.add("wi-cursor-glow--visible");
+        rafId = 0;
+      });
+    }, { passive: true });
+    document.addEventListener("mouseleave", function() {
+      glowEl.classList.remove("wi-cursor-glow--visible");
+    });
+  })();
+</script>
+
+<style>
+  .wi-cursor-glow {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 400px;
+    height: 400px;
+    border-radius: 50%;
+    background: radial-gradient(
+      circle,
+      rgba(212, 118, 78, 0.06) 0%,
+      transparent 70%
+    );
+    pointer-events: none;
+    z-index: 9999;
+    opacity: 0;
+    transition: opacity 0.3s ease;
+    will-change: transform;
+  }
+
+  .wi-cursor-glow--visible {
+    opacity: 1;
+  }
+
+  html.dark .wi-cursor-glow {
+    background: radial-gradient(
+      circle,
+      rgba(232, 149, 95, 0.04) 0%,
+      transparent 70%
+    );
+  }
+</style>