feat(前端界面): 微调附件管理按钮

assets/webui/ofdgo.css

@@ -2551,23 +2551,18 @@ button.outline-link:hover {
 }
 
 .attachment-row {
-	display: flex;
+	display: grid;
+	grid-template-columns: minmax(0, 1fr) auto;
 	align-items: center;
 	gap: 8px;
 }
 
 .attachment-row .attachment-item {
 	min-width: 0;
-	flex: 1;
 }
 
 .attachment-actions {
-	flex: 0 0 60px;
-	width: 60px;
-	border: 1px solid var(--line-strong);
-	background: #ffffff;
-	color: #1f2428;
-	cursor: pointer;
+	flex-wrap: nowrap;
 }
 
 .attachment-item {