refactor: 专题 - 电力品线

app/index/view/mobile/topic_power_prodline/index.html

@@ -300,8 +300,10 @@
         <a class="product-left" href="{$cts_lf.link}">
             <img src="{$cts_lf.image}" alt="{$cts_lf.title}" class="product-img">
             <!-- 公共类+定位类：尺寸统一，定位不同 -->
-            <div class="product-img-hover product-img-1">
-                <img src="{$cts_lf.extra_image}" alt="{$cts_lf.title}">
+            <!--style="display:flex;justify-content: center;"-->
+            <div class="product-img-hover product-img-1" >
+                <!--style="width:70%"-->
+                <img src="{$cts_lf.extra_image}" alt="{$cts_lf.title}" >
             </div>
         </a>
         {/notempty}
@@ -463,8 +465,9 @@
      	productRights.forEach((rightContainer) => {
       		const img = rightContainer.querySelector('.right-img');
       		const video = rightContainer.querySelector('.right-video');
+      		const videoSrc = video.src.trim()
       		if (!img || !video) return;
-
+            if(!videoSrc) return;
       		const rect = rightContainer.getBoundingClientRect();
       		// 视口判断：容器进入视口50%以上视为活跃
       		const isInView =