diff --git a/src/app/Theme.cpp b/src/app/Theme.cpp
index 4dc6774..c287dce 100644
--- a/src/app/Theme.cpp
+++ b/src/app/Theme.cpp
@@ -464,6 +464,13 @@ void applyBrandAccent()
     eTheme->setThemeColor(ElaThemeType::Dark, ElaThemeType::PrimaryNormal, QColor(0x5E, 0x9B, 0xD6));
     eTheme->setThemeColor(ElaThemeType::Dark, ElaThemeType::PrimaryHover, QColor(0x71, 0xA9, 0xDE));
     eTheme->setThemeColor(ElaThemeType::Dark, ElaThemeType::PrimaryPress, QColor(0x4E, 0x89, 0xC4));
+
+    // 选中底：Ela 默认是半透明灰、对比度弱。改成清晰的强调蓝实色（明=浅蓝、暗=中深蓝），
+    // 让所有 Ela 列表/视图的选中行一眼可辨（与对象树 QSS 选中色 kTreeSel* 保持一致）。
+    eTheme->setThemeColor(ElaThemeType::Light, ElaThemeType::BasicSelectedAlpha, QColor(0xC2, 0xD9, 0xF2));
+    eTheme->setThemeColor(ElaThemeType::Light, ElaThemeType::BasicSelectedHoverAlpha, QColor(0xB1, 0xCD, 0xEF));
+    eTheme->setThemeColor(ElaThemeType::Dark, ElaThemeType::BasicSelectedAlpha, QColor(0x33, 0x52, 0x7A));
+    eTheme->setThemeColor(ElaThemeType::Dark, ElaThemeType::BasicSelectedHoverAlpha, QColor(0x3C, 0x5D, 0x87));
 }
 
 bool isDarkTheme()
diff --git a/src/app/panels/ObjectTreePanel.cpp b/src/app/panels/ObjectTreePanel.cpp
index 3bafc72..5b520ae 100644
--- a/src/app/panels/ObjectTreePanel.cpp
+++ b/src/app/panels/ObjectTreePanel.cpp
@@ -54,10 +54,15 @@ ObjectTreePanel::ObjectTreePanel(QWidget* parent) : QWidget(parent) {
         const QString tag = dark ? QStringLiteral("d") : QStringLiteral("l");
         const QString off = geopro::app::writeCheckboxIcon(false, border, boxBg, Qt::white, tag);
         const QString on = geopro::app::writeCheckboxIcon(true, accent, accent, Qt::white, tag);
+        // 选中底色与 Ela 列表(BasicSelectedAlpha)保持一致：明=浅蓝、暗=中深蓝；:!active 防失焦变淡。
+        const QString selBg = dark ? QStringLiteral("#33527A") : QStringLiteral("#C2D9F2");
+        const QString selFg = dark ? QStringLiteral("#E8F1FB") : QStringLiteral("#14385F");
         tree_->setStyleSheet(QStringLiteral("QTreeView::indicator{ width:16px; height:16px; }"
                                             "QTreeView::indicator:unchecked{ image:url(%1); }"
-                                            "QTreeView::indicator:checked{ image:url(%2); }")
-                                 .arg(off, on));
+                                            "QTreeView::indicator:checked{ image:url(%2); }"
+                                            "QTreeView::item:selected{ background:%3; color:%4; }"
+                                            "QTreeView::item:selected:!active{ background:%3; color:%4; }")
+                                 .arg(off, on, selBg, selFg));
     };
     applyCheckboxStyle();
     QObject::connect(eTheme, &ElaTheme::themeModeChanged, tree_,