diff --git a/static/css/style.css b/static/css/style.css
index 32cb8c3..4b1e42f 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -43,7 +43,20 @@ body {
 
 /* ── 布局 ── */
 .layout { display: grid; grid-template-columns: 340px 1fr; gap: 16px; padding: 16px 24px; align-items: start; }
-.config-panel { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 72px; }
+.config-panel {
+  display: flex; flex-direction: column; gap: 16px;
+  position: sticky; top: 72px;
+  /* 左侧独立滚动：面板固定视口高度，鼠标在左侧滚动时只翻左侧几个块，不带动右侧 */
+  max-height: calc(100vh - 88px);
+  overflow-y: auto;
+  overscroll-behavior: contain;
+  padding-right: 6px;
+  scrollbar-width: thin;
+  scrollbar-color: var(--border) transparent;
+}
+.config-panel::-webkit-scrollbar { width: 8px; }
+.config-panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
+.config-panel::-webkit-scrollbar-thumb:hover { background: var(--accent); }
 .main { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
 
 .card {
@@ -309,6 +322,6 @@ pre.json-box {
 
 @media (max-width: 1000px) {
   .layout { grid-template-columns: 1fr; }
-  .config-panel { position: static; }
+  .config-panel { position: static; max-height: none; overflow: visible; }
   .metrics { grid-template-columns: repeat(3, 1fr); }
 }