fix

src/assets/style/card.less

@@ -15,12 +15,23 @@
   }
   .md_link_title {
     font-size: 16px;
+    line-height: 26px;
     font-weight: 500;
+    overflow: hidden;
+    display: -webkit-box;
+    -webkit-line-clamp: 1;
+    -webkit-box-orient: vertical;
   }
   .md_link_desc {
     font-size: 14px;
+    line-height: 20px;
     color: var(--md-editor-text-color);
     margin: 6px 0;
+    line-height: 20px;
+    overflow: hidden;
+    display: -webkit-box;
+    -webkit-line-clamp: 2;
+    -webkit-box-orient: vertical;
   }
   .md_link_url {
     font-size: 12px;

src/components/content/components/help-doc.vue

@@ -136,7 +136,7 @@ export default {
     background: linear-gradient(
       to bottom,
       var(--md-editor-content-bg-color),
-      transparent
+      rgba(255, 255, 255, 0)
     );
   }
   .after {
@@ -149,7 +149,7 @@ export default {
     background: linear-gradient(
       to top,
       var(--md-editor-content-bg-color),
-      transparent
+      rgba(255, 255, 255, 0)
     );
   }
   .doc_container {