diff --git a/frontend/src/styles/strategyEvaluation.css b/frontend/src/styles/strategyEvaluation.css
index d9c01a1..dd9fbe1 100644
--- a/frontend/src/styles/strategyEvaluation.css
+++ b/frontend/src/styles/strategyEvaluation.css
@@ -938,50 +938,18 @@
   text-align: center;
 }
 
-/* 선택 봉에 백테스트 매매 시그널 — 형광연두 아웃라인 + 외곽 glow (첨부 이미지 스타일) */
+/* 선택 봉에 백테스트 매매 시그널 — 형광연두 아웃라인만 */
 .seval-side-card--signal-active {
   position: relative;
   z-index: 1;
-  border-color: transparent;
-  isolation: isolate;
-  overflow: visible;
-}
-
-.seval-side-card--signal-active::before {
-  content: '';
-  position: absolute;
-  inset: 0;
-  border-radius: 10px;
-  padding: 2px;
-  background: linear-gradient(135deg, #d4ff00 0%, #39ff14 42%, #c6ff00 68%, #7fff00 100%);
-  -webkit-mask:
-    linear-gradient(#000 0 0) content-box,
-    linear-gradient(#000 0 0);
-  -webkit-mask-composite: xor;
-  mask:
-    linear-gradient(#000 0 0) content-box,
-    linear-gradient(#000 0 0);
-  mask-composite: exclude;
-  pointer-events: none;
-  z-index: 3;
-}
-
-.seval-side-card--signal-active::after {
-  content: '';
-  position: absolute;
-  inset: -4px;
-  border-radius: 14px;
-  pointer-events: none;
-  z-index: -1;
-  box-shadow:
-    0 0 6px 1px rgba(184, 255, 0, 0.85),
-    0 0 14px 3px rgba(57, 255, 20, 0.55),
-    0 0 28px 5px rgba(204, 255, 0, 0.32);
+  border: 2px solid #39ff14;
+  box-shadow: none;
 }
 
 .seval-side-card--signal-active.seval-side-card--buy,
 .seval-side-card--signal-active.seval-side-card--sell {
-  border-top-color: transparent;
+  border-color: #39ff14;
+  border-top-color: #39ff14;
 }
 
 .seval-side-card--signal-active .seval-side-card-badge::after {