Move hedge-plan calc actions to second card and add spacing above preview.

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/common/static/instance_theme.css

@@ -3353,8 +3353,8 @@ html[data-theme="light"] .opt-be-dist-down {
 /* 视口约 5 行数据 + 表头；超出表内滚动 */
 .hedge-plan-page-wrap .hp-strike-table-wrap--5,
 .hedge-plan-page-wrap .options-strike-table-wrap--t {
-  max-height: 220px;
-  min-height: 220px;
+  max-height: 248px;
+  min-height: 248px;
   overflow-y: auto;
   margin-top: 4px;
   flex: 1 1 auto;
@@ -3368,7 +3368,7 @@ html[data-theme="light"] .opt-be-dist-down {
 .hedge-plan-page-wrap .options-dual-grid {
   grid-template-columns: 1fr 1fr;
   align-items: stretch;
-  margin-bottom: 20px;
+  margin-bottom: 28px;
 }
 .hedge-plan-page-wrap .options-dual-grid > .card {
   height: 100%;
@@ -3377,9 +3377,14 @@ html[data-theme="light"] .opt-be-dist-down {
   flex-direction: column;
 }
 .hedge-plan-page-wrap .hp-preview-card {
-  margin-top: 8px;
+  margin-top: 0;
   clear: both;
 }
+.hedge-plan-page-wrap .hp-action-row {
+  margin-top: 10px;
+  gap: 8px;
+  justify-content: flex-end;
+}
 .hedge-plan-page-wrap .hp-pick.active,
 .hedge-plan-page-wrap .opt-row-selected td {
   background: rgba(90, 140, 255, 0.18);