diff --git a/backend-java/src/main/java/com/nanri/aiimage/modules/shopduplicatecheck/service/ShopDataDuplicateCheckQueryService.java b/backend-java/src/main/java/com/nanri/aiimage/modules/shopduplicatecheck/service/ShopDataDuplicateCheckQueryService.java
index b1fa2644..f8bceede 100644
--- a/backend-java/src/main/java/com/nanri/aiimage/modules/shopduplicatecheck/service/ShopDataDuplicateCheckQueryService.java
+++ b/backend-java/src/main/java/com/nanri/aiimage/modules/shopduplicatecheck/service/ShopDataDuplicateCheckQueryService.java
@@ -183,13 +183,13 @@ public class ShopDataDuplicateCheckQueryService {
         List<DuplicateItem> cropped = cropItems(view.payload().items(), visibleKeys);
         List<DuplicateItem> matched = filterItems(cropped, monitor, filters);
         List<List<String>> rows = new ArrayList<>();
-        rows.add(List.of("ASIN", "店铺数", "店铺", "分组", "站点", "上架时间", "价格", "品牌"));
+        rows.add(List.of("ASIN", "店铺数", "店铺", "分组", "国家", "上架时间", "价格", "品牌"));
         List<Object[]> flat = new ArrayList<>();
         for (DuplicateItem item : matched) {
             String shopCount = String.valueOf(item.shopCount());
             for (DuplicateOccurrence occ : item.occurrences()) {
                 flat.add(new Object[]{item.asin(), shopCount, occ.shopName(), occ.groupName(),
-                        effectiveSite(occ), safe(occ.date()), safe(occ.price()), safe(occ.brand())});
+                        effectiveCountryCn(occ), safe(occ.date()), safe(occ.price()), safe(occ.brand())});
             }
         }
         flat.sort(flatExportComparator());
@@ -358,9 +358,18 @@ public class ShopDataDuplicateCheckQueryService {
                 source == null ? "" : source);
     }
 
-    private String effectiveSite(DuplicateOccurrence occ) {
+    /** 站点代码 → 中文国家名（导出「国家」列，与页面 DUP_SITE_LABELS 一致），未识别回退原值。 */
+    private static final Map<String, String> SITE_CN_LABELS = Map.of(
+            "DE", "德国", "UK", "英国", "FR", "法国", "IT", "意大利", "ES", "西班牙");
+
+    private static String siteCnLabel(String code) {
+        String key = safe(code).trim().toUpperCase(Locale.ROOT);
+        return SITE_CN_LABELS.containsKey(key) ? SITE_CN_LABELS.get(key) : safe(code);
+    }
+
+    private String effectiveCountryCn(DuplicateOccurrence occ) {
         if (!safe(occ.country()).isEmpty()) {
-            return occ.country().toUpperCase(Locale.ROOT);
+            return siteCnLabel(occ.country());
         }
         List<String> codes = occ.countryCodes() == null ? List.of() : occ.countryCodes();
         if (codes.isEmpty()) {
@@ -371,7 +380,7 @@ public class ShopDataDuplicateCheckQueryService {
             if (sb.length() > 0) {
                 sb.append('、');
             }
-            sb.append(safe(code).toUpperCase(Locale.ROOT));
+            sb.append(siteCnLabel(code));
         }
         return sb.toString();
     }
diff --git a/backend-java/src/main/resources/static/static/admin.js b/backend-java/src/main/resources/static/static/admin.js
index 08b7deba..6474ac51 100644
--- a/backend-java/src/main/resources/static/static/admin.js
+++ b/backend-java/src/main/resources/static/static/admin.js
@@ -2084,10 +2084,10 @@
                 return isNaN(t) ? -1 : t;
             }
 
-            // 「查看明细」按钮点击开抽屉（动态元素，事件委托）
+            // 「查看明细」按钮点击开抽屉（动态元素，事件委托），并把被点按钮作为抽屉的垂直锚点
             function handleDuplicateDetailClick(event) {
                 var button = event.target.closest('[data-open-asin-detail]');
-                if (button) openShopDataDuplicateDrawer(button.dataset.openAsinDetail);
+                if (button) openShopDataDuplicateDrawer(button.dataset.openAsinDetail, button);
             }
 
             // 站点徽章：中文国家（未识别回退原值）
@@ -2197,21 +2197,26 @@
             }
 
             // 图3 样式抽屉：ASIN + 店在售徽章 / 品牌行 / 彩色徽章组 / 按时间降序明细 + 次数列
-            // 块内定位：抽屉贴到「撞款详情」区块顶部（anchorRect），而不是浏览器左侧顶部；
-            // 区块滚出视口时钳制到视口内可见区域（顶部矩阵点 ASIN 打开也要能看到抽屉）
+            // 块内定位：抽屉横向贴到「撞款详情」区块，纵向以触发元素（被点的 ASIN/「查看明细」按钮）为锚点、
+            // 钳制在视口内，保证弹窗出现在点击处附近而非页面/滚动区顶部（顶部弹出会被当前滚动位置盖住看不见）。
+            var dupDrawerTriggerEl = null;
+
             function positionDupDrawer() {
                 var mask = document.getElementById('dupCheckDrawerMask');
                 var aside = mask ? mask.querySelector('.drawer') : null;
-                var anchor = document.getElementById('dupCheckDetailBlock');
-                if (!aside || !anchor) return;
-                var rect = anchor.getBoundingClientRect();
+                var block = document.getElementById('dupCheckDetailBlock');
+                if (!aside || !block) return;
                 var bodyHeight = Math.max(document.documentElement.clientHeight, window.innerHeight);
                 var padTop = 24, padRight = 24, padBottom = 24;
                 var maxHeight = Math.max(260, bodyHeight - padTop - padBottom);
-                var left = Math.max(12, Math.min(rect.left + 12, Math.max(12, bodyWidth() - 860)));
+                var blockRect = block.getBoundingClientRect();
+                var left = Math.max(12, Math.min(blockRect.left + 12, Math.max(12, bodyWidth() - 860)));
+                // 垂直锚点优先取触发元素；未传入或已脱离文档时回退到「撞款详情」区块顶部
+                var anchor = (dupDrawerTriggerEl && dupDrawerTriggerEl.isConnected) ? dupDrawerTriggerEl : block;
+                var rect = anchor.getBoundingClientRect();
                 var top = Math.max(padTop, rect.top - padTop);
-                // 区块整体在视口外（下方/上方）时回退到视口顶部，避免抽屉出现在视口外
-                if (rect.top >= bodyHeight - 120 || rect.bottom <= padTop) top = padTop;
+                // 点击处整体已滚出视口下方时，改放到视口底部上方留出可读高度
+                if (rect.top >= bodyHeight - padBottom) top = Math.max(padTop, bodyHeight - 300);
                 // 顶部再钳制一次，保证抽屉头部可见
                 top = Math.min(top, Math.max(padTop, bodyHeight - 260));
                 aside.style.left = left + 'px';
@@ -2249,8 +2254,9 @@
                 return mask;
             }
 
-            function openShopDataDuplicateDrawer(asin) {
+            function openShopDataDuplicateDrawer(asin, triggerEl) {
                 mountDupDrawerMaskToBody();
+                dupDrawerTriggerEl = triggerEl || null;
                 var item = null;
                 (shopDataDuplicateDetailItems || []).forEach(function (it) { if (it.asin === asin) item = it; });
                 if (!item) {
@@ -2738,10 +2744,10 @@
             document.getElementById('dupCheckImportModal').onclick = function (event) {
                 if (event.target === this) closeDupCheckImportModal();
             };
-            // 矩阵表格内 ASIN / 数字徽标点击打开抽屉（动态元素，事件委托）
+            // 矩阵表格内 ASIN / 数字徽标点击打开抽屉（动态元素，事件委托），并传入被点元素作为锚点
             document.getElementById('shopDataDuplicateList').onclick = function (event) {
                 var target = event.target.closest('[data-open-drawer]');
-                if (target) openShopDataDuplicateDrawer(target.dataset.openDrawer);
+                if (target) openShopDataDuplicateDrawer(target.dataset.openDrawer, target);
             };
             // 撞款详情卡片区「查看明细」按钮（动态元素，事件委托）
             document.getElementById('dupCheckDetailCards').onclick = handleDuplicateDetailClick;
diff --git a/backend-java/src/test/java/com/nanri/aiimage/modules/shopduplicatecheck/service/ShopDataDuplicateCheckQueryServiceTest.java b/backend-java/src/test/java/com/nanri/aiimage/modules/shopduplicatecheck/service/ShopDataDuplicateCheckQueryServiceTest.java
index 99c7ab8f..bb287353 100644
--- a/backend-java/src/test/java/com/nanri/aiimage/modules/shopduplicatecheck/service/ShopDataDuplicateCheckQueryServiceTest.java
+++ b/backend-java/src/test/java/com/nanri/aiimage/modules/shopduplicatecheck/service/ShopDataDuplicateCheckQueryServiceTest.java
@@ -147,10 +147,14 @@ class ShopDataDuplicateCheckQueryServiceTest {
         assertThat(bytes[2]).isEqualTo((byte) 0xBF);
         String text = new String(bytes, StandardCharsets.UTF_8);
         String[] lines = text.split("\r\n");
-        assertThat(lines[0]).endsWith("ASIN,店铺数,店铺,分组,站点,上架时间,价格,品牌");
+        assertThat(lines[0]).endsWith("ASIN,店铺数,店铺,分组,国家,上架时间,价格,品牌");
         // 数据行 = E(3 记录) + A(2) + F(2) = 7，非空行总数为 8（尾随 CRLF 会产生一个空元素）
         long nonEmpty = java.util.Arrays.stream(lines).filter(line -> !line.isEmpty()).count();
         assertThat(nonEmpty).isEqualTo(8);
         assertThat(lines[1]).startsWith("E0000001,3,");
+        // 站点代码列导出为中文国家名（UK→英国、FR→法国），与页面「国家」展示一致
+        assertThat(lines[1]).startsWith("E0000001,3,ShopA,GroupA,英国,");
+        assertThat(text).contains(",法国,");
+        assertThat(lines[1]).doesNotContain(",UK,");
     }
 }
diff --git a/backend/static/admin.js b/backend/static/admin.js
index 08b7deba..6474ac51 100644
--- a/backend/static/admin.js
+++ b/backend/static/admin.js
@@ -2084,10 +2084,10 @@
                 return isNaN(t) ? -1 : t;
             }
 
-            // 「查看明细」按钮点击开抽屉（动态元素，事件委托）
+            // 「查看明细」按钮点击开抽屉（动态元素，事件委托），并把被点按钮作为抽屉的垂直锚点
             function handleDuplicateDetailClick(event) {
                 var button = event.target.closest('[data-open-asin-detail]');
-                if (button) openShopDataDuplicateDrawer(button.dataset.openAsinDetail);
+                if (button) openShopDataDuplicateDrawer(button.dataset.openAsinDetail, button);
             }
 
             // 站点徽章：中文国家（未识别回退原值）
@@ -2197,21 +2197,26 @@
             }
 
             // 图3 样式抽屉：ASIN + 店在售徽章 / 品牌行 / 彩色徽章组 / 按时间降序明细 + 次数列
-            // 块内定位：抽屉贴到「撞款详情」区块顶部（anchorRect），而不是浏览器左侧顶部；
-            // 区块滚出视口时钳制到视口内可见区域（顶部矩阵点 ASIN 打开也要能看到抽屉）
+            // 块内定位：抽屉横向贴到「撞款详情」区块，纵向以触发元素（被点的 ASIN/「查看明细」按钮）为锚点、
+            // 钳制在视口内，保证弹窗出现在点击处附近而非页面/滚动区顶部（顶部弹出会被当前滚动位置盖住看不见）。
+            var dupDrawerTriggerEl = null;
+
             function positionDupDrawer() {
                 var mask = document.getElementById('dupCheckDrawerMask');
                 var aside = mask ? mask.querySelector('.drawer') : null;
-                var anchor = document.getElementById('dupCheckDetailBlock');
-                if (!aside || !anchor) return;
-                var rect = anchor.getBoundingClientRect();
+                var block = document.getElementById('dupCheckDetailBlock');
+                if (!aside || !block) return;
                 var bodyHeight = Math.max(document.documentElement.clientHeight, window.innerHeight);
                 var padTop = 24, padRight = 24, padBottom = 24;
                 var maxHeight = Math.max(260, bodyHeight - padTop - padBottom);
-                var left = Math.max(12, Math.min(rect.left + 12, Math.max(12, bodyWidth() - 860)));
+                var blockRect = block.getBoundingClientRect();
+                var left = Math.max(12, Math.min(blockRect.left + 12, Math.max(12, bodyWidth() - 860)));
+                // 垂直锚点优先取触发元素；未传入或已脱离文档时回退到「撞款详情」区块顶部
+                var anchor = (dupDrawerTriggerEl && dupDrawerTriggerEl.isConnected) ? dupDrawerTriggerEl : block;
+                var rect = anchor.getBoundingClientRect();
                 var top = Math.max(padTop, rect.top - padTop);
-                // 区块整体在视口外（下方/上方）时回退到视口顶部，避免抽屉出现在视口外
-                if (rect.top >= bodyHeight - 120 || rect.bottom <= padTop) top = padTop;
+                // 点击处整体已滚出视口下方时，改放到视口底部上方留出可读高度
+                if (rect.top >= bodyHeight - padBottom) top = Math.max(padTop, bodyHeight - 300);
                 // 顶部再钳制一次，保证抽屉头部可见
                 top = Math.min(top, Math.max(padTop, bodyHeight - 260));
                 aside.style.left = left + 'px';
@@ -2249,8 +2254,9 @@
                 return mask;
             }
 
-            function openShopDataDuplicateDrawer(asin) {
+            function openShopDataDuplicateDrawer(asin, triggerEl) {
                 mountDupDrawerMaskToBody();
+                dupDrawerTriggerEl = triggerEl || null;
                 var item = null;
                 (shopDataDuplicateDetailItems || []).forEach(function (it) { if (it.asin === asin) item = it; });
                 if (!item) {
@@ -2738,10 +2744,10 @@
             document.getElementById('dupCheckImportModal').onclick = function (event) {
                 if (event.target === this) closeDupCheckImportModal();
             };
-            // 矩阵表格内 ASIN / 数字徽标点击打开抽屉（动态元素，事件委托）
+            // 矩阵表格内 ASIN / 数字徽标点击打开抽屉（动态元素，事件委托），并传入被点元素作为锚点
             document.getElementById('shopDataDuplicateList').onclick = function (event) {
                 var target = event.target.closest('[data-open-drawer]');
-                if (target) openShopDataDuplicateDrawer(target.dataset.openDrawer);
+                if (target) openShopDataDuplicateDrawer(target.dataset.openDrawer, target);
             };
             // 撞款详情卡片区「查看明细」按钮（动态元素，事件委托）
             document.getElementById('dupCheckDetailCards').onclick = handleDuplicateDetailClick;
diff --git a/backend/tests/test_admin_shop_data_duplicate_check.py b/backend/tests/test_admin_shop_data_duplicate_check.py
index 4c834224..37335095 100644
--- a/backend/tests/test_admin_shop_data_duplicate_check.py
+++ b/backend/tests/test_admin_shop_data_duplicate_check.py
@@ -252,8 +252,8 @@ class DuplicateCheckProxyTest(unittest.TestCase):
         self.assertEqual(body['items'], [])
 
     def test_export_streams_java_csv(self):
-        csv_bytes = ('' + 'ASIN,店铺数,店铺,分组,站点,上架时间,价格,品牌\r\n'
-                     'E0000001,3,ShopA,GroupA,UK,2026年8月29日 上午4:34,GBP 12.00,BrandE\r\n').encode('utf-8')
+        csv_bytes = ('' + 'ASIN,店铺数,店铺,分组,国家,上架时间,价格,品牌\r\n'
+                     'E0000001,3,ShopA,GroupA,英国,2026年8月29日 上午4:34,GBP 12.00,BrandE\r\n').encode('utf-8')
 
         class FakeResp:
             status_code = 200