修复bug

public/static/index/pc/css/topic_laptop/fs.css

@@ -5,6 +5,12 @@
 	width: 100%;
 	aspect-ratio: 16/9; /* 2560/1440=16/9，核心比例约束 */
 	position: relative;
+    will-change: contents; /* 告诉浏览器该元素即将变化，提前优化 */
+    contain: layout paint; /* 限制重排重绘范围 */
+}
+.fs-img, .fs-video {
+    backface-visibility: hidden; /* 开启硬件加速 */
+    transform: translateZ(0); /* 硬件加速 */
 }
 .fs-box img {
 	width: 100%;