diff --git a/YD_Event.Application/CitizenSports/CitizenSportsPlatformService.cs b/YD_Event.Application/CitizenSports/CitizenSportsPlatformService.cs
new file mode 100644
index 0000000..149d7b1
--- /dev/null
+++ b/YD_Event.Application/CitizenSports/CitizenSportsPlatformService.cs
@@ -0,0 +1,411 @@
+using System.Net.Http.Headers;
+using System.Text;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using Newtonsoft.Json;
+using YD_Event.Application.CitizenSports.Dtos;
+using YD_Event.Core.Options;
+
+namespace YD_Event.Application.CitizenSports;
+
+/// <summary>
+/// 市民运动会平台报名数据对接服务。
+/// </summary>
+public sealed class CitizenSportsPlatformService : ITransient
+{
+    private readonly ISqlSugarRepository<EventInfo> _eventRepository;
+    private readonly ISqlSugarRepository<EventRegistration> _registrationRepository;
+    private readonly ISqlSugarRepository<EventRegistrationItem> _itemRepository;
+    private readonly ISqlSugarRepository<EventRegistrationPerson> _personRepository;
+    private readonly ISqlSugarRepository<YD_Event.Core.Entities.AppUser> _userRepository;
+    private readonly IHttpClientFactory _httpClientFactory;
+    private readonly IOptionsMonitor<CitizenSportsPlatformOptions> _optionsMonitor;
+    private readonly ILogger<CitizenSportsPlatformService> _logger;
+
+    public CitizenSportsPlatformService(
+        ISqlSugarRepository<EventInfo> eventRepository,
+        ISqlSugarRepository<EventRegistration> registrationRepository,
+        ISqlSugarRepository<EventRegistrationItem> itemRepository,
+        ISqlSugarRepository<EventRegistrationPerson> personRepository,
+        ISqlSugarRepository<YD_Event.Core.Entities.AppUser> userRepository,
+        IHttpClientFactory httpClientFactory,
+        IOptionsMonitor<CitizenSportsPlatformOptions> optionsMonitor,
+        ILogger<CitizenSportsPlatformService> logger)
+    {
+        _eventRepository = eventRepository;
+        _registrationRepository = registrationRepository;
+        _itemRepository = itemRepository;
+        _personRepository = personRepository;
+        _userRepository = userRepository;
+        _httpClientFactory = httpClientFactory;
+        _optionsMonitor = optionsMonitor;
+        _logger = logger;
+    }
+
+    public async Task<CitizenSportsConnectionTestOutput> TestConnectionAsync(CancellationToken cancellationToken)
+    {
+        var response = await PostAsync<CitizenSportsTestData>("match-upload/test", new { }, cancellationToken);
+        return new CitizenSportsConnectionTestOutput
+        {
+            Success = response.IsSuccess,
+            Message = response.EffectiveMessage,
+            PlatformTime = response.SystemTime
+        };
+    }
+
+    public async Task<CitizenSportsPreviewOutput> PreviewAsync(CitizenSportsSyncInput input)
+    {
+        var prepared = await PrepareAsync(input);
+        return ToPreview(prepared);
+    }
+
+    public async Task<CitizenSportsExecuteOutput> ExecuteAsync(
+        CitizenSportsExecuteInput input,
+        CancellationToken cancellationToken)
+    {
+        if (!input.ConfirmUpload)
+            throw Oops.Bah("请先预览数据，并明确确认上传");
+
+        var prepared = await PrepareAsync(input);
+        if (prepared.Errors.Count > 0)
+            throw Oops.Bah($"同步预检发现 {prepared.Errors.Count} 条错误，请先修正报名资料");
+        if (prepared.Groups.Count == 0)
+            throw Oops.Bah("当前赛事没有可上传的已生效运动员报名数据");
+
+        var getCodeResponse = await PostAsync<CitizenSportsEventCodeData>(
+            "match-upload/getcode",
+            new CitizenSportsGetCodeRequest
+            {
+                EventName = prepared.PlatformEventName,
+                SeriesName = prepared.SeriesName
+            },
+            cancellationToken);
+
+        if (!getCodeResponse.IsSuccess || string.IsNullOrWhiteSpace(getCodeResponse.Data?.EventCode))
+            throw Oops.Bah($"获取市民运动会赛事编码失败：{getCodeResponse.EffectiveMessage}");
+
+        var options = GetValidatedOptions();
+        var output = new CitizenSportsExecuteOutput
+        {
+            PlatformEventCode = getCodeResponse.Data.EventCode,
+            RequestedCount = prepared.Groups.Sum(x => x.Players.Count)
+        };
+
+        foreach (var group in prepared.Groups)
+        {
+            foreach (var players in group.Players.Chunk(options.BatchSize))
+            {
+                var batchPlayers = players.ToList();
+                CitizenSportsBatchResult batchResult;
+                try
+                {
+                    var response = await PostAsync<CitizenSportsUploadData>(
+                        "match-upload/player",
+                        new CitizenSportsUploadRequest
+                        {
+                            EventCode = output.PlatformEventCode,
+                            TypeName = group.TypeName,
+                            Players = batchPlayers
+                        },
+                        cancellationToken);
+
+                    var countsMatch = response.Data != null
+                        && response.Data.SuccessCount + response.Data.FailureCount == batchPlayers.Count;
+                    batchResult = new CitizenSportsBatchResult
+                    {
+                        TypeName = group.TypeName,
+                        RequestedCount = batchPlayers.Count,
+                        SuccessCount = response.Data?.SuccessCount ?? 0,
+                        FailureCount = response.Data?.FailureCount ?? batchPlayers.Count,
+                        Success = response.IsSuccess && countsMatch && response.Data!.FailureCount == 0,
+                        Message = response.IsSuccess && !countsMatch
+                            ? "平台返回的导入统计与请求数量不一致"
+                            : response.EffectiveMessage
+                    };
+                }
+                catch (Exception exception) when (
+                    exception is HttpRequestException
+                    || (exception is TaskCanceledException && !cancellationToken.IsCancellationRequested))
+                {
+                    _logger.LogWarning(exception, "市民运动会平台上传中断，组别 {TypeName}，批次数量 {Count}",
+                        group.TypeName, batchPlayers.Count);
+                    batchResult = new CitizenSportsBatchResult
+                    {
+                        TypeName = group.TypeName,
+                        RequestedCount = batchPlayers.Count,
+                        FailureCount = batchPlayers.Count,
+                        Success = false,
+                        Message = exception is TaskCanceledException ? "平台响应超时" : "平台连接失败"
+                    };
+                    output.Batches.Add(batchResult);
+                    output.Aborted = true;
+                    UpdateTotals(output);
+                    return output;
+                }
+
+                output.Batches.Add(batchResult);
+                if (!batchResult.Success)
+                {
+                    output.Aborted = true;
+                    UpdateTotals(output);
+                    return output;
+                }
+            }
+        }
+
+        UpdateTotals(output);
+        return output;
+    }
+
+    private async Task<PreparedCitizenSportsData> PrepareAsync(CitizenSportsSyncInput input)
+    {
+        if (input.EventId <= 0)
+            throw Oops.Bah("赛事 ID 无效");
+        if (string.IsNullOrWhiteSpace(input.PlatformEventName))
+            throw Oops.Bah("市民运动会平台赛事名称不能为空");
+
+        var eventInfo = await _eventRepository.GetFirstAsync(x => x.Id == input.EventId && !x.DeleteMark);
+        if (eventInfo == null)
+            throw Oops.Bah("赛事不存在");
+
+        var registrations = await _registrationRepository.AsQueryable()
+            .Where(x => x.EventId == input.EventId && x.PaymentStatus == 1 && !x.DeleteMark)
+            .ToListAsync();
+        var prepared = new PreparedCitizenSportsData
+        {
+            EventId = eventInfo.Id,
+            EventName = eventInfo.EventName,
+            PlatformEventName = input.PlatformEventName.Trim(),
+            SeriesName = string.IsNullOrWhiteSpace(input.SeriesName) ? null : input.SeriesName.Trim(),
+            RegistrationCount = registrations.Count
+        };
+
+        if (registrations.Count == 0)
+            return prepared;
+
+        var registrationIds = registrations.Select(x => x.Id).ToList();
+        var registrationMap = registrations.ToDictionary(x => x.Id);
+        var items = await _itemRepository.AsQueryable()
+            .Where(x => registrationIds.Contains(x.RegistrationId) && !x.DeleteMark)
+            .ToListAsync();
+        var itemMap = items.ToDictionary(x => x.Id);
+        var persons = await _personRepository.AsQueryable()
+            .Where(x => registrationIds.Contains(x.RegistrationId)
+                && x.PersonType == PersonType.Athlete
+                && !x.DeleteMark)
+            .ToListAsync();
+        var userIds = persons.Select(x => x.UserId).Distinct().ToList();
+        List<YD_Event.Core.Entities.AppUser> users = userIds.Count == 0
+            ? []
+            : await _userRepository.AsQueryable()
+                .Where(x => userIds.Contains(x.Id) && !x.DeleteMark)
+                .ToListAsync();
+        var userMap = users.ToDictionary(x => x.Id);
+
+        var playersByType = new Dictionary<string, Dictionary<string, CitizenSportsPlayer>>(StringComparer.Ordinal);
+        foreach (var person in persons)
+        {
+            if (!registrationMap.TryGetValue(person.RegistrationId, out var registration))
+            {
+                AddError(prepared, person.Id, "找不到人员所属报名记录");
+                continue;
+            }
+            if (!itemMap.TryGetValue(person.RegistrationItemId, out var item))
+            {
+                AddError(prepared, person.Id, "找不到人员所属报名项目");
+                continue;
+            }
+            if (!userMap.TryGetValue(person.UserId, out var user))
+            {
+                AddError(prepared, person.Id, "找不到人员实名账号");
+                continue;
+            }
+
+            var typeName = item.GroupName?.Trim();
+            if (string.IsNullOrWhiteSpace(typeName))
+            {
+                AddError(prepared, person.Id, "报名项目缺少赛事组别名称");
+                continue;
+            }
+            if (string.IsNullOrWhiteSpace(person.Name))
+            {
+                AddError(prepared, person.Id, "运动员姓名为空");
+                continue;
+            }
+
+            var cardType = MapCardType(user.AuthType);
+            if (cardType == null)
+            {
+                AddError(prepared, person.Id, "运动员认证类型不受支持");
+                continue;
+            }
+            var cardNumber = GetCardNumber(person, user);
+            if (string.IsNullOrWhiteSpace(cardNumber))
+            {
+                AddError(prepared, person.Id, "运动员证件号码为空");
+                continue;
+            }
+
+            var player = new CitizenSportsPlayer
+            {
+                PlayerId = person.UserId.ToString(),
+                CardNumber = cardNumber.Trim(),
+                CardType = cardType,
+                PlayerName = person.Name.Trim(),
+                PlayerSex = MapGender(person.Gender),
+                PlayerPhone = string.IsNullOrWhiteSpace(person.Phone) ? null : person.Phone.Trim(),
+                PlayerBirth = person.BirthDate == default ? null : person.BirthDate.ToString("yyyy-MM-dd"),
+                GroupName = string.IsNullOrWhiteSpace(item.TeamName)
+                    ? registration.TeamName?.Trim()
+                    : item.TeamName.Trim()
+            };
+
+            if (!playersByType.TryGetValue(typeName, out var typePlayers))
+            {
+                typePlayers = new Dictionary<string, CitizenSportsPlayer>(StringComparer.Ordinal);
+                playersByType[typeName] = typePlayers;
+            }
+
+            var uniqueKey = $"{player.PlayerId}|{player.CardNumber}";
+            typePlayers.TryAdd(uniqueKey, player);
+        }
+
+        prepared.Groups = playersByType
+            .OrderBy(x => x.Key)
+            .Select(x => new PreparedCitizenSportsGroup
+            {
+                TypeName = x.Key,
+                Players = x.Value.Values.ToList()
+            })
+            .ToList();
+        return prepared;
+    }
+
+    private async Task<CitizenSportsPlatformResponse<T>> PostAsync<T>(
+        string relativePath,
+        object body,
+        CancellationToken cancellationToken)
+    {
+        var options = GetValidatedOptions();
+        var baseUri = new Uri(options.BaseUrl.TrimEnd('/') + "/", UriKind.Absolute);
+        var requestUri = new Uri(baseUri, relativePath.TrimStart('/'));
+        var timestamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
+
+        using var request = new HttpRequestMessage(HttpMethod.Post, requestUri);
+        request.Headers.TryAddWithoutValidation("clientid", options.ClientId);
+        request.Headers.TryAddWithoutValidation("sign", CitizenSportsSigner.Create(options.ClientId, options.SecretKey, timestamp));
+        request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
+        request.Content = new StringContent(
+            JsonConvert.SerializeObject(body, new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore }),
+            Encoding.UTF8,
+            "application/json");
+
+        var client = _httpClientFactory.CreateClient();
+        client.Timeout = TimeSpan.FromSeconds(options.TimeoutSeconds);
+        using var response = await client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken);
+        var responseText = await response.Content.ReadAsStringAsync(cancellationToken);
+        if (!response.IsSuccessStatusCode)
+            throw new HttpRequestException($"市民运动会平台返回 HTTP {(int)response.StatusCode}");
+
+        try
+        {
+            return JsonConvert.DeserializeObject<CitizenSportsPlatformResponse<T>>(responseText)
+                ?? throw new JsonException("响应为空");
+        }
+        catch (JsonException exception)
+        {
+            _logger.LogWarning(exception, "市民运动会平台返回了无法解析的响应，HTTP {StatusCode}", (int)response.StatusCode);
+            throw Oops.Bah("市民运动会平台响应格式不正确");
+        }
+    }
+
+    private CitizenSportsPlatformOptions GetValidatedOptions()
+    {
+        var options = _optionsMonitor.CurrentValue;
+        if (!options.Enabled)
+            throw Oops.Bah("市民运动会平台调用开关未开启");
+        if (!Uri.TryCreate(options.BaseUrl, UriKind.Absolute, out var uri)
+            || (uri.Scheme != Uri.UriSchemeHttps && uri.Scheme != Uri.UriSchemeHttp))
+            throw Oops.Bah("市民运动会平台 BaseUrl 配置无效");
+        if (string.IsNullOrWhiteSpace(options.ClientId))
+            throw Oops.Bah("市民运动会平台 ClientId 未配置");
+        if (string.IsNullOrWhiteSpace(options.SecretKey))
+            throw Oops.Bah("市民运动会平台 SecretKey 未配置");
+        if (Encoding.UTF8.GetByteCount(options.SecretKey) != 32)
+            throw Oops.Bah("市民运动会平台 SecretKey 必须是 32 字节");
+        if (options.TimeoutSeconds is < 1 or > 120)
+            throw Oops.Bah("市民运动会平台 TimeoutSeconds 必须在 1-120 之间");
+        if (options.BatchSize is < 1 or > 1000)
+            throw Oops.Bah("市民运动会平台 BatchSize 必须在 1-1000 之间");
+        return options;
+    }
+
+    private static CitizenSportsPreviewOutput ToPreview(PreparedCitizenSportsData prepared) => new()
+    {
+        EventId = prepared.EventId,
+        EventName = prepared.EventName,
+        PlatformEventName = prepared.PlatformEventName,
+        RegistrationCount = prepared.RegistrationCount,
+        UploadRecordCount = prepared.Groups.Sum(x => x.Players.Count),
+        TypeCount = prepared.Groups.Count,
+        Types = prepared.Groups.Select(x => new CitizenSportsTypePreview
+        {
+            TypeName = x.TypeName,
+            PlayerCount = x.Players.Count
+        }).ToList(),
+        Errors = prepared.Errors
+    };
+
+    private static void UpdateTotals(CitizenSportsExecuteOutput output)
+    {
+        output.SuccessCount = output.Batches.Sum(x => x.SuccessCount);
+        output.FailureCount = output.Batches.Sum(x => x.FailureCount);
+        output.UnattemptedCount = Math.Max(0, output.RequestedCount - output.SuccessCount - output.FailureCount);
+    }
+
+    private static void AddError(PreparedCitizenSportsData prepared, long personId, string message) =>
+        prepared.Errors.Add(new CitizenSportsValidationError
+        {
+            RegistrationPersonId = personId,
+            Message = message
+        });
+
+    private static string? MapCardType(int authType) => authType switch
+    {
+        1 => "1",
+        2 => "2",
+        3 => "5",
+        _ => null
+    };
+
+    private static string? MapGender(Gender gender) => gender switch
+    {
+        Gender.Male => "1",
+        Gender.Female => "2",
+        _ => null
+    };
+
+    private static string GetCardNumber(EventRegistrationPerson person, YD_Event.Core.Entities.AppUser user)
+    {
+        if (!string.IsNullOrWhiteSpace(person.IdCard))
+            return person.IdCard;
+        return user.AuthType == 2 ? user.PassportNumber ?? string.Empty : user.IdCardNumber ?? string.Empty;
+    }
+
+    private sealed class PreparedCitizenSportsData
+    {
+        public long EventId { get; set; }
+        public string EventName { get; set; } = string.Empty;
+        public string PlatformEventName { get; set; } = string.Empty;
+        public string? SeriesName { get; set; }
+        public int RegistrationCount { get; set; }
+        public List<PreparedCitizenSportsGroup> Groups { get; set; } = [];
+        public List<CitizenSportsValidationError> Errors { get; set; } = [];
+    }
+
+    private sealed class PreparedCitizenSportsGroup
+    {
+        public string TypeName { get; set; } = string.Empty;
+        public List<CitizenSportsPlayer> Players { get; set; } = [];
+    }
+}
diff --git a/YD_Event.Application/CitizenSports/CitizenSportsSigner.cs b/YD_Event.Application/CitizenSports/CitizenSportsSigner.cs
new file mode 100644
index 0000000..14e6993
--- /dev/null
+++ b/YD_Event.Application/CitizenSports/CitizenSportsSigner.cs
@@ -0,0 +1,25 @@
+using System.Security.Cryptography;
+using System.Text;
+
+namespace YD_Event.Application.CitizenSports;
+
+internal static class CitizenSportsSigner
+{
+    internal static string Create(string clientId, string secretKey, long unixTimestamp)
+    {
+        var key = Encoding.UTF8.GetBytes(secretKey);
+        if (key.Length != 32)
+            throw new ArgumentException("SecretKey 必须是 32 字节", nameof(secretKey));
+
+        var plainText = Encoding.UTF8.GetBytes($"{clientId}_{unixTimestamp}");
+        using var aes = Aes.Create();
+        aes.Key = key;
+        aes.Mode = CipherMode.ECB;
+        aes.Padding = PaddingMode.PKCS7;
+
+        using var encryptor = aes.CreateEncryptor();
+        var encrypted = encryptor.TransformFinalBlock(plainText, 0, plainText.Length);
+        var base64 = Convert.ToBase64String(encrypted);
+        return Convert.ToHexString(Encoding.UTF8.GetBytes(base64)).ToLowerInvariant();
+    }
+}
diff --git a/YD_Event.Application/CitizenSports/CitizenSportsSyncController.cs b/YD_Event.Application/CitizenSports/CitizenSportsSyncController.cs
new file mode 100644
index 0000000..2645396
--- /dev/null
+++ b/YD_Event.Application/CitizenSports/CitizenSportsSyncController.cs
@@ -0,0 +1,65 @@
+using YD_Event.Application.Auth;
+using YD_Event.Application.CitizenSports.Dtos;
+
+namespace YD_Event.Application.CitizenSports;
+
+/// <summary>
+/// 市民运动会报名数据同步。
+/// </summary>
+[ApiDescriptionSettings("报名管理")]
+[Route("api/citizen-sports-sync")]
+[Authorize]
+public sealed class CitizenSportsSyncController : IDynamicApiController
+{
+    private readonly CitizenSportsPlatformService _service;
+    private readonly AuthManager _authManager;
+
+    public CitizenSportsSyncController(
+        CitizenSportsPlatformService service,
+        AuthManager authManager)
+    {
+        _service = service;
+        _authManager = authManager;
+    }
+
+    /// <summary>
+    /// 使用当前环境配置验证平台地址和签名。
+    /// </summary>
+    [HttpPost("connection-test")]
+    [DisplayName("测试市民运动会平台连接")]
+    public async Task<CitizenSportsConnectionTestOutput> TestConnection(CancellationToken cancellationToken)
+    {
+        EnsureSuperAdministrator();
+        return await _service.TestConnectionAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 只读取本地报名数据，返回不含敏感信息的上传预览。
+    /// </summary>
+    [HttpPost("preview")]
+    [DisplayName("预览市民运动会报名同步")]
+    public async Task<CitizenSportsPreviewOutput> Preview([FromBody] CitizenSportsSyncInput input)
+    {
+        EnsureSuperAdministrator();
+        return await _service.PreviewAsync(input);
+    }
+
+    /// <summary>
+    /// 将预检通过的报名人员上传到市民运动会平台。
+    /// </summary>
+    [HttpPost("execute")]
+    [DisplayName("执行市民运动会报名同步")]
+    public async Task<CitizenSportsExecuteOutput> Execute(
+        [FromBody] CitizenSportsExecuteInput input,
+        CancellationToken cancellationToken)
+    {
+        EnsureSuperAdministrator();
+        return await _service.ExecuteAsync(input, cancellationToken);
+    }
+
+    private void EnsureSuperAdministrator()
+    {
+        if (_authManager.AuthPlatformType != AuthPlatformType.Manager || !_authManager.IsSuperAdmin)
+            throw Oops.Bah("仅超级管理员可以同步市民运动会报名数据");
+    }
+}
diff --git a/YD_Event.Application/CitizenSports/Dtos/CitizenSportsSyncDtos.cs b/YD_Event.Application/CitizenSports/Dtos/CitizenSportsSyncDtos.cs
new file mode 100644
index 0000000..1bfb7d5
--- /dev/null
+++ b/YD_Event.Application/CitizenSports/Dtos/CitizenSportsSyncDtos.cs
@@ -0,0 +1,195 @@
+using Newtonsoft.Json;
+
+namespace YD_Event.Application.CitizenSports.Dtos;
+
+/// <summary>
+/// 市民运动会报名同步请求。
+/// </summary>
+public class CitizenSportsSyncInput
+{
+    /// <summary>
+    /// 悦动系统赛事 ID。
+    /// </summary>
+    [Required]
+    public long EventId { get; set; }
+
+    /// <summary>
+    /// 市民运动会平台中的赛事名称，必须与一网通办申报名称一致。
+    /// </summary>
+    [Required]
+    public string PlatformEventName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 系列赛场次名称，没有时不传。
+    /// </summary>
+    public string? SeriesName { get; set; }
+}
+
+/// <summary>
+/// 市民运动会报名执行同步请求。
+/// </summary>
+public class CitizenSportsExecuteInput : CitizenSportsSyncInput
+{
+    /// <summary>
+    /// 必须明确确认后才允许向外部平台写入。
+    /// </summary>
+    public bool ConfirmUpload { get; set; }
+}
+
+/// <summary>
+/// 同步预览结果，不返回证件号、手机号等敏感信息。
+/// </summary>
+public class CitizenSportsPreviewOutput
+{
+    public long EventId { get; set; }
+    public string EventName { get; set; } = string.Empty;
+    public string PlatformEventName { get; set; } = string.Empty;
+    public int RegistrationCount { get; set; }
+    public int UploadRecordCount { get; set; }
+    public int TypeCount { get; set; }
+    public bool CanUpload => Errors.Count == 0 && UploadRecordCount > 0;
+    public List<CitizenSportsTypePreview> Types { get; set; } = [];
+    public List<CitizenSportsValidationError> Errors { get; set; } = [];
+}
+
+public class CitizenSportsTypePreview
+{
+    public string TypeName { get; set; } = string.Empty;
+    public int PlayerCount { get; set; }
+}
+
+public class CitizenSportsValidationError
+{
+    public long RegistrationPersonId { get; set; }
+    public string Message { get; set; } = string.Empty;
+}
+
+public class CitizenSportsConnectionTestOutput
+{
+    public bool Success { get; set; }
+    public string Message { get; set; } = string.Empty;
+    public long? PlatformTime { get; set; }
+}
+
+public class CitizenSportsExecuteOutput
+{
+    public string PlatformEventCode { get; set; } = string.Empty;
+    public int RequestedCount { get; set; }
+    public int SuccessCount { get; set; }
+    public int FailureCount { get; set; }
+    public int UnattemptedCount { get; set; }
+    public bool Aborted { get; set; }
+    public List<CitizenSportsBatchResult> Batches { get; set; } = [];
+}
+
+public class CitizenSportsBatchResult
+{
+    public string TypeName { get; set; } = string.Empty;
+    public int RequestedCount { get; set; }
+    public int SuccessCount { get; set; }
+    public int FailureCount { get; set; }
+    public bool Success { get; set; }
+    public string Message { get; set; } = string.Empty;
+}
+
+internal sealed class CitizenSportsGetCodeRequest
+{
+    [JsonProperty("mname")]
+    public string EventName { get; set; } = string.Empty;
+
+    [JsonProperty("sname", NullValueHandling = NullValueHandling.Ignore)]
+    public string? SeriesName { get; set; }
+}
+
+internal sealed class CitizenSportsUploadRequest
+{
+    [JsonProperty("mcode")]
+    public string EventCode { get; set; } = string.Empty;
+
+    [JsonProperty("typename")]
+    public string TypeName { get; set; } = string.Empty;
+
+    [JsonProperty("players")]
+    public List<CitizenSportsPlayer> Players { get; set; } = [];
+}
+
+internal sealed class CitizenSportsPlayer
+{
+    [JsonProperty("playerId")]
+    public string PlayerId { get; set; } = string.Empty;
+
+    [JsonProperty("CardNumber")]
+    public string CardNumber { get; set; } = string.Empty;
+
+    [JsonProperty("CardType")]
+    public string CardType { get; set; } = string.Empty;
+
+    [JsonProperty("playerName")]
+    public string PlayerName { get; set; } = string.Empty;
+
+    [JsonProperty("playerSex", NullValueHandling = NullValueHandling.Ignore)]
+    public string? PlayerSex { get; set; }
+
+    [JsonProperty("playerPhone", NullValueHandling = NullValueHandling.Ignore)]
+    public string? PlayerPhone { get; set; }
+
+    [JsonProperty("playerBirth", NullValueHandling = NullValueHandling.Ignore)]
+    public string? PlayerBirth { get; set; }
+
+    [JsonProperty("groupName", NullValueHandling = NullValueHandling.Ignore)]
+    public string? GroupName { get; set; }
+
+    [JsonProperty("deleteStatus")]
+    public int DeleteStatus { get; set; } = 1;
+}
+
+internal sealed class CitizenSportsPlatformResponse<T>
+{
+    [JsonProperty("code")]
+    public string? Code { get; set; }
+
+    [JsonProperty("status")]
+    public string? Status { get; set; }
+
+    [JsonProperty("message")]
+    public string? Message { get; set; }
+
+    [JsonProperty("msg")]
+    public string? Msg { get; set; }
+
+    [JsonProperty("data")]
+    public T? Data { get; set; }
+
+    [JsonProperty("sys_time")]
+    public long? SystemTime { get; set; }
+
+    [JsonIgnore]
+    public bool IsSuccess => Code == "200" && string.Equals(Status, "success", StringComparison.OrdinalIgnoreCase);
+
+    [JsonIgnore]
+    public string EffectiveMessage => Message ?? Msg ?? "平台未返回说明";
+}
+
+internal sealed class CitizenSportsTestData
+{
+    [JsonProperty("Test")]
+    public string? Test { get; set; }
+}
+
+internal sealed class CitizenSportsEventCodeData
+{
+    [JsonProperty("mcode")]
+    public string? EventCode { get; set; }
+
+    [JsonProperty("mname")]
+    public string? EventName { get; set; }
+}
+
+internal sealed class CitizenSportsUploadData
+{
+    [JsonProperty("num")]
+    public int SuccessCount { get; set; }
+
+    [JsonProperty("errnum")]
+    public int FailureCount { get; set; }
+}
diff --git a/YD_Event.Application/Client/CheckinScheduleService.cs b/YD_Event.Application/Client/CheckinScheduleService.cs
index 97a59ae..45053ff 100644
--- a/YD_Event.Application/Client/CheckinScheduleService.cs
+++ b/YD_Event.Application/Client/CheckinScheduleService.cs
@@ -175,8 +175,8 @@ public class CheckinScheduleService : ITransient
             x => GetImportedSessionOrder(x.SessionName, GetSessionOrder(x.SessionNo)));
         var sessionMap = sessions.ToDictionary(x => x.Id);
 
-        // 与成绩管理列表保持一致：导入记录的 ID 按秩序册预览行顺序生成。
-        // SessionName 中的“第 N 场”仅用于展示场次，不能用它重新排列选手。
+        // 秩序册允许不同比赛日重复从“第1场”开始，不能再按场次数字排序。
+        // 导入时出场记录 ID 按 Excel 行顺序生成，因此按 ID 即为原始导入顺序。
         var units = entries
             .Where(x => sessionMap.ContainsKey(x.SessionId))
             .OrderBy(x => x.Id)
diff --git a/YD_Event.Application/applicationsettings.json b/YD_Event.Application/applicationsettings.json
index 19a219b..a503210 100644
--- a/YD_Event.Application/applicationsettings.json
+++ b/YD_Event.Application/applicationsettings.json
@@ -173,5 +173,14 @@
     "UnitUserRoleId": 1001,
     "ScoringUnitRoleId": 1003,
     "HiddenMenuIds": [2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009]
+  },
+  // 市民运动会测试平台配置。上线前必须替换为运营方提供的生产地址和正式凭证。
+  "CitizenSportsPlatform": {
+    "Enabled": true,
+    "BaseUrl": "https://smydh.dev.moveclub.cn/paas",
+    "ClientId": "movd170af8674405d64",
+    "SecretKey": "2378451e40129ed4c5ca779f37e6a01f",
+    "TimeoutSeconds": 30,
+    "BatchSize": 100
   }
 }
diff --git a/YD_Event.Core/Extensions/ServiceCollectionExtension.cs b/YD_Event.Core/Extensions/ServiceCollectionExtension.cs
index 29dda0a..de588e4 100644
--- a/YD_Event.Core/Extensions/ServiceCollectionExtension.cs
+++ b/YD_Event.Core/Extensions/ServiceCollectionExtension.cs
@@ -19,6 +19,7 @@ public static class ServiceCollectionExtension
         service.AddConfigurableOptions<WeChatOptions>();
         service.AddConfigurableOptions<WechatTenpayClientOptions>();
         service.AddConfigurableOptions<RoleOptions>();
+        service.AddConfigurableOptions<CitizenSportsPlatformOptions>();
         return service;
     }
-}
\ No newline at end of file
+}
diff --git a/YD_Event.Core/Options/CitizenSportsPlatformOptions.cs b/YD_Event.Core/Options/CitizenSportsPlatformOptions.cs
new file mode 100644
index 0000000..f7e8e82
--- /dev/null
+++ b/YD_Event.Core/Options/CitizenSportsPlatformOptions.cs
@@ -0,0 +1,40 @@
+using Furion.ConfigurableOptions;
+
+namespace YD_Event.Core.Options;
+
+/// <summary>
+/// 市民运动会平台对接配置。
+/// </summary>
+[OptionsSettings("CitizenSportsPlatform")]
+public class CitizenSportsPlatformOptions : IConfigurableOptions
+{
+    /// <summary>
+    /// 是否允许调用市民运动会平台。
+    /// </summary>
+    public bool Enabled { get; set; }
+
+    /// <summary>
+    /// 平台完整地址，例如 https://test.example.com。
+    /// </summary>
+    public string BaseUrl { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 平台分配的客户端标识。
+    /// </summary>
+    public string ClientId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 平台分配的密钥，只能保存在服务端配置中。
+    /// </summary>
+    public string SecretKey { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 请求超时秒数。
+    /// </summary>
+    public int TimeoutSeconds { get; set; } = 30;
+
+    /// <summary>
+    /// 单次上传人员数量；需按平台给出的限制配置。
+    /// </summary>
+    public int BatchSize { get; set; } = 100;
+}