diff --git a/app/src/main/assets/h5/css/app.css b/app/src/main/assets/h5/css/app.css
index 5bf74ad..65c6e78 100644
--- a/app/src/main/assets/h5/css/app.css
+++ b/app/src/main/assets/h5/css/app.css
@@ -257,12 +257,16 @@ body {
   overflow: hidden;
 }
 
-/* 标题：自动换行（歌词/长标题），最多 3 行省略 */
-/* Title: wraps automatically (lyrics / long titles), max 3 lines with ellipsis */
+/* 标题：自动换行（歌词/长标题），最多 3 行省略；
+   固定 3 行高度避免歌词长短变化导致下方进度条/按钮上下跳动 */
+/* Title: wraps automatically (lyrics / long titles), max 3 lines with ellipsis;
+   fixed 3-line height so the progress/controls below don't jump as lyrics change */
 .media-card .tt {
   margin-top: 6px;
   font-size: 18px;
   font-weight: 600;
+  line-height: 1.3;
+  min-height: 3.9em;
   white-space: normal;
   word-break: break-word;
   display: -webkit-box;