登录视频优化脚本: H265转H264 + moov前置 + CRF31降码率800kbps +

去音轨;登录页背景视频底部裁切: CSS height:120% + top:0 溢出裁剪隐藏黑边;

src/views/Login.vue

@@ -83,11 +83,11 @@ export default {
 }
 .bg-video {
   position: absolute;
-  top: 50%;
+  top: 0;
   left: 50%;
-  transform: translate(-50%, -50%);
+  transform: translateX(-50%);
   width: 100%;
-  height: 100%;
+  height: 120%;
   object-fit: cover;
   z-index: 1;
 }
@@ -181,9 +181,7 @@ export default {
   text-shadow: 0 0 8px rgba(0, 150, 255, 0.6), 0 1px 3px rgba(0, 0, 0, 0.8);
   letter-spacing: 1px;
 }
-</style>
 
-<style>
 :fullscreen .login-root .top-bar {
   height: 14vh;
 }