diff --git a/src/components/agent/AgentAssistantPanel.vue b/src/components/agent/AgentAssistantPanel.vue
index 07918a10..22c6c2b4 100644
--- a/src/components/agent/AgentAssistantPanel.vue
+++ b/src/components/agent/AgentAssistantPanel.vue
@@ -2372,9 +2372,9 @@ onScopeDispose(() => {
   --agent-assistant-panel-blur: 10px;
 }
 
-@supports (block-size: 100svh) {
+@supports (block-size: 100dvh) {
   .agent-assistant-shell {
-    block-size: 100svh;
+    block-size: 100dvh;
   }
 }
 
diff --git a/src/components/theme/ThemeCustomizer.vue b/src/components/theme/ThemeCustomizer.vue
index e8d021d1..f368c4ed 100644
--- a/src/components/theme/ThemeCustomizer.vue
+++ b/src/components/theme/ThemeCustomizer.vue
@@ -448,9 +448,9 @@ async function handleResetSettings() {
   min-block-size: 0;
 }
 
-@supports (block-size: 100svh) {
+@supports (block-size: 100dvh) {
   .theme-customizer-panel {
-    block-size: 100svh;
+    block-size: 100dvh;
   }
 }