fix(admin,mini-user): store lat/lng edit with Baidu map, center pickup qty hint

HQ store detail can set coordinates and open Baidu Map search by name/address; admin update API persists lat/lng.

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

apps/mini-user/src/pages/order-confirm-pickup/index.tsx

@@ -196,6 +196,11 @@ export default function OrderConfirmPickupPage() {
                   </View>
                 </View>
               </View>
+              {!quantityOk ? (
+                <Text className="order-qty-hint">
+                  {`现场提货至少购买 ${minQty} 瓶，请调整数量`}
+                </Text>
+              ) : null}
             </View>
 
             <View className="order-card">
@@ -219,7 +224,7 @@ export default function OrderConfirmPickupPage() {
         ) : null}
 
         {msg ? (
-          <Text className="u-muted" style={{ display: 'block', marginTop: 8 }}>
+          <Text className="u-muted" style={{ display: 'block', marginTop: 8, textAlign: 'center' }}>
             {msg}
           </Text>
         ) : null}