diff --git a/frontend/src/views/OilReference.vue b/frontend/src/views/OilReference.vue
index 2d33885..3fd8133 100644
--- a/frontend/src/views/OilReference.vue
+++ b/frontend/src/views/OilReference.vue
@@ -1110,11 +1110,11 @@ async function saveCardImage(name) {
 }
 
 /* ===== Add Oil Form ===== */
-.add-type-tabs { display: flex; gap: 0; margin-bottom: 10px; }
+.add-type-tabs { display: inline-flex; margin-bottom: 10px; }
 .add-type-tab {
-  flex: 1; padding: 6px 0; text-align: center; font-size: 13px; cursor: pointer;
+  padding: 5px 16px; text-align: center; font-size: 12px; cursor: pointer;
   border: 1.5px solid var(--border, #d4cfc7); background: #fff; color: var(--text-mid, #6b6375);
-  font-family: inherit;
+  font-family: inherit; line-height: 1.4;
 }
 .add-type-tab:first-child { border-radius: 8px 0 0 8px; }
 .add-type-tab:last-child { border-radius: 0 8px 8px 0; border-left: none; }