修复主题一些细节优化问题

themes/Ying/assets/js/main.js

@@ -32,6 +32,9 @@ document.addEventListener('DOMContentLoaded', function() {
 
     // Initialize Typewriter Effect for Mobile Header
     initTypewriter();
+
+    // Image frame scroll reveal
+    initImageFrameReveal();
 });
 
 /**
@@ -71,3 +74,42 @@ function initTypewriter() {
     // Start typing with a small delay
     setTimeout(typeWriter, 500);
 }
+
+/**
+ * Scroll-triggered reveal for sen-image-frame
+ */
+var senFrameObserver = null;
+
+function initImageFrameReveal() {
+    var frames = document.querySelectorAll('.sen-image-frame');
+    if (!frames.length) return;
+
+    if (!window.IntersectionObserver) {
+        frames.forEach(function(frame) {
+            frame.classList.add('is-visible');
+        });
+        return;
+    }
+
+    if (senFrameObserver) {
+        senFrameObserver.disconnect();
+    }
+
+    senFrameObserver = new IntersectionObserver(function(entries) {
+        entries.forEach(function(entry) {
+            if (entry.isIntersecting) {
+                entry.target.classList.add('is-visible');
+                senFrameObserver.unobserve(entry.target);
+            }
+        });
+    }, {
+        rootMargin: "0px 0px 50px 0px",
+        threshold: 0.08
+    });
+
+    frames.forEach(function(frame) {
+        senFrameObserver.observe(frame);
+    });
+}
+
+window.initImageFrameReveal = initImageFrameReveal;

themes/Ying/assets/js/modules/mypjax.js

@@ -152,5 +152,12 @@ document.addEventListener("pjax:complete", function () {
         } catch(e) { console.error('initSearch error:', e); }
     }
 
+    // 重载图片框架滚动显示
+    if (typeof window.initImageFrameReveal === 'function') {
+        try {
+            window.initImageFrameReveal();
+        } catch(e) { console.error('initImageFrameReveal error:', e); }
+    }
+
     refreshHeatmap();
 });