diff --git a/css/index.css b/css/index.css
index 228e8ee..2f75a8b 100644
--- a/css/index.css
+++ b/css/index.css
@@ -76,6 +76,69 @@
   color: #38BDF8;
 }
 
+/* ============================================
+   Header Logo 闪光特效
+   ============================================ */
+
+#index .nav-icon {
+  position: relative;
+  overflow: hidden;
+}
+
+#index .nav-icon::before {
+  content: '';
+  position: absolute;
+  top: -50%;
+  left: -100%;
+  width: 50%;
+  height: 200%;
+  background: linear-gradient(
+    90deg,
+    transparent 0%,
+    rgba(255, 255, 255, 0.1) 40%,
+    rgba(255, 255, 255, 0.4) 50%,
+    rgba(255, 255, 255, 0.1) 60%,
+    transparent 100%
+  );
+  transform: skewX(-25deg);
+  animation: logoShine 6s ease-in-out infinite;
+  pointer-events: none;
+}
+
+@keyframes logoShine {
+  0% {
+    left: -100%;
+  }
+  20% {
+    left: 150%;
+  }
+  100% {
+    left: 150%;
+  }
+}
+
+#index .nav-icon:hover::before {
+  animation: logoShineHover 0.8s ease-in-out;
+}
+
+@keyframes logoShineHover {
+  0% {
+    left: -100%;
+  }
+  100% {
+    left: 150%;
+  }
+}
+
+#index .nav-icon img {
+  transition: all 0.3s ease;
+}
+
+#index .nav-icon:hover img {
+  filter: brightness(1.1) drop-shadow(0 0 10px rgba(56, 189, 248, 0.3));
+  transform: scale(1.02);
+}
+
 /* ============================================
    Header 登录注册按钮重新设计
    ============================================ */