commit 247a4e851dcf56e14113202007c43f7bb2cb8714
Author: canglan <admin@sea-studio.top>
Date:   Sun Jul 12 01:23:19 2026 +0800

    feat: MC Report System - MySQL + Express + Vanilla JS SPA

diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,11 @@
+node_modules/
+data/config.json
+data/uploads/*
+data/*.db
+data/*.db-*
+*.log
+*.log
+o.log
+e.log
+err.log
+out.log
diff --git a/AGENTS.md b/AGENTS.md
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+++ b/AGENTS.md
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+# Project Rules
+
+## Shell & Process Rules
+
+- **NEVER run `cmd /c` or `cmd.exe` directly.** Use `Invoke-WebRequest`, `Invoke-RestMethod`, `Start-Process`, or direct `node` commands via PowerShell instead.
+- **NEVER run long-running processes (e.g. `node server.js`) in the foreground.** Always use `Start-Process -NoNewWindow` without `-Wait` to background them.
+- **NEVER run long-running processes (e.g. `node server.js`) in the foreground.** Always use `Start-Process -NoNewWindow` without `-Wait` to background them.
+- **Prefer `Invoke-WebRequest` / `Invoke-RestMethod`** over `curl.exe` for HTTP testing.
+- When backgrounding a server process, redirect stdout/stderr to log files: `-RedirectStandardOutput "out.log" -RedirectStandardError "err.log"`.
+
+## Project Context
+
+This is a **Game Player Complaint/Suggestion/Appeal System** (MC Report System) built with:
+- **Backend**: Node.js + Express + **MySQL** (mysql2)
+- **Frontend**: Vanilla JS SPA with hash-based routing
+- **Auth**: JWT with role-based access (owner/admin/player)
+
+### Key Files
+- `backend/db.js` — MySQL connection pool + schema init + config persistence
+- `backend/server.js` — Express entry point, checks install status, conditional route loading
+- `backend/routes/tickets.js` — Core ticket logic (report/suggestion/appeal)
+- `backend/routes/install.js` — Installation wizard API
+- `public/js/app.js` — Frontend router
+- `data/config.json` — MySQL connection config (created during install)
+
+### Installation Flow
+1. Start server: `node backend/server.js`
+2. Visit `http://localhost:3100/#/install`
+3. Step 1: Enter MySQL credentials, test connection
+4. Step 2: Create owner account
+5. Restart server to load business routes
+
+### After making backend changes
+1. Stop existing server: `Get-Process -Name "node" -ErrorAction SilentlyContinue | Stop-Process -Force`
+2. Restart: `Start-Process -FilePath "node" -ArgumentList "backend\server.js" -WorkingDirectory "C:\Users\canglan\Documents\Web\mc-report" -NoNewWindow -RedirectStandardOutput "o.log" -RedirectStandardError "e.log"`
diff --git a/INSTALL.md b/INSTALL.md
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--- /dev/null
+++ b/INSTALL.md
@@ -0,0 +1,160 @@
+# MC Report System — 部署文档
+
+## 环境要求
+
+- Node.js ≥ 18 / npm ≥ 9
+- MySQL ≥ 5.7（或 MariaDB ≥ 10.2）
+- 任意操作系统
+
+## 快速开始
+
+```bash
+# 1. 安装依赖
+npm install
+
+# 2. 启动
+node backend/server.js
+
+# 3. 浏览器打开
+#    → 自动跳转安装向导
+```
+
+访问 `http://localhost:3100`，将自动进入安装向导。
+
+## 安装向导
+
+两步完成：
+
+**第1步 — 数据库配置**
+- MySQL 主机（默认 localhost）
+- 端口（默认 3306）
+- 用户名 / 密码
+- 数据库名（不存在则自动创建）
+
+**第2步 — 创建服主账号**
+- 站点名称、站点地址
+- 服主用户名、密码、邮箱、游戏名
+
+点击完成后配置写入 `data/config.json`，**重启服务器**即可加载业务路由。
+
+## 生产环境
+
+### 环境变量
+
+| 变量 | 说明 | 默认值 |
+|------|------|--------|
+| `PORT` | 监听端口 | `3100` |
+| `CORS_ORIGIN` | 允许的跨域来源 | `http://localhost:3100` |
+
+### 启动（生产）
+
+```bash
+# Linux / macOS
+PORT=8080 CORS_ORIGIN=https://your-domain.com node backend/server.js
+
+# Windows PowerShell
+$env:PORT="8080"
+$env:CORS_ORIGIN="https://your-domain.com"
+node backend/server.js
+```
+
+### 持久化进程（推荐 pm2）
+
+```bash
+npm i -g pm2
+pm2 start backend/server.js --name mc-report
+pm2 save
+pm2 startup
+```
+
+### Nginx 反代
+
+```nginx
+server {
+    listen 80;
+    server_name report.your-domain.com;
+
+    location / {
+        proxy_pass http://127.0.0.1:3100;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+    }
+}
+```
+
+## 配置文件
+
+安装后生成 `data/config.json`：
+
+```json
+{
+  "db_host": "localhost",
+  "db_port": 3306,
+  "db_user": "root",
+  "db_pass": "",
+  "db_name": "mc_report",
+  "jwt_secret": "(随机64位)",
+  "api_key": "(随机48位)"
+}
+```
+
+- `jwt_secret` 安装时随机生成，用于签发登录令牌
+- `api_key` 安装时随机生成，前端自动注入请求头，保护 API 接口
+
+## 数据库
+
+MySQL 数据库安装时自动建表。如需备份：
+
+```bash
+mysqldump -u root -p mc_report > backup_$(date +%Y%m%d).sql
+```
+
+## 上传文件
+
+存储在 `data/uploads/`，通过 `/api/uploads/:filename` 鉴权下载。
+
+| 限制 | 值 |
+|------|----|
+| 单文件上限 | 50MB |
+| 每次最多 | 5 个 |
+| 允许格式 | JPG/PNG/GIF/WebP/MP4/WebM |
+
+## 邮件配置
+
+后台"系统设置"页面配置 SMTP。未配置时注册用户自动激活。
+
+## Webhook
+
+后台"通知配置"页面添加 Discord 兼容 Webhook，可选触发事件。
+
+## 目录结构
+
+```
+mc-report/
+├── backend/
+│   ├── server.js
+│   ├── db.js              # MySQL 连接池 + 建表
+│   ├── mailer.js           # SMTP 邮件
+│   ├── captcha.js          # 算术验证码
+│   ├── webhook.js          # Webhook 通知
+│   ├── middleware/
+│   │   ├── auth.js         # JWT 认证
+│   │   ├── upload.js       # 文件上传安全
+│   │   └── security.js     # 限速 + XSS + API Key
+│   └── routes/
+│       ├── install.js      # 安装向导 API
+│       ├── auth.js         # 注册/登录
+│       ├── tickets.js      # 工单核心
+│       ├── users.js        # 用户管理
+│       ├── settings.js     # 设置 + 邮件模板
+│       ├── export.js       # 数据导出
+│       ├── captcha.js      # 验证码
+│       ├── notifications.js # Webhook 配置
+│       └── uploads.js      # 附件下载
+├── public/                 # 前端 SPA
+├── data/
+│   ├── config.json         # 数据库连接 + 密钥
+│   └── uploads/            # 上传文件
+├── package.json
+└── INSTALL.md
+```
diff --git a/backend/captcha.js b/backend/captcha.js
new file mode 100644
index 0000000..98a65a1
--- /dev/null
+++ b/backend/captcha.js
@@ -0,0 +1,40 @@
+const crypto = require('crypto');
+const { getDb } = require('./db');
+
+function generate() {
+  const db = getDb();
+  db.prepare("DELETE FROM captchas WHERE datetime(created_at) < datetime('now','localtime','-5 minutes')").run();
+
+  const id = crypto.randomUUID();
+  const ops = ['+', '-', '\u00d7'];
+  const op = ops[Math.floor(Math.random() * ops.length)];
+  let a, b, answer;
+
+  if (op === '\u00d7') {
+    a = Math.floor(Math.random() * 9) + 1;
+    b = Math.floor(Math.random() * 9) + 1;
+  } else {
+    a = Math.floor(Math.random() * 20) + 1;
+    b = Math.floor(Math.random() * 10) + 1;
+    if (op === '-' && a < b) [a, b] = [b, a];
+  }
+
+  if (op === '+') answer = a + b;
+  else if (op === '-') answer = a - b;
+  else answer = a * b;
+
+  const question = `${a} ${op} ${b} = ?`;
+  db.prepare('INSERT INTO captchas(id, question, answer) VALUES (?,?,?)').run(id, question, String(answer));
+
+  return { id, question };
+}
+
+function verify(id, answer) {
+  const db = getDb();
+  const row = db.prepare("SELECT * FROM captchas WHERE id = ? AND datetime(created_at) > datetime('now','localtime','-5 minutes')").get(id);
+  if (!row) return false;
+  db.prepare('DELETE FROM captchas WHERE id = ?').run(id);
+  return String(answer).trim() === row.answer;
+}
+
+module.exports = { generate, verify };
diff --git a/backend/db.js b/backend/db.js
new file mode 100644
index 0000000..cef1c34
--- /dev/null
+++ b/backend/db.js
@@ -0,0 +1,217 @@
+const mysql = require('mysql2/promise');
+const fs = require('fs');
+const path = require('path');
+const crypto = require('crypto');
+
+const CONFIG_PATH = path.join(__dirname, '..', 'data', 'config.json');
+
+let pool = null;
+
+function getConfig() {
+  if (fs.existsSync(CONFIG_PATH)) {
+    return JSON.parse(fs.readFileSync(CONFIG_PATH, 'utf-8'));
+  }
+  return null;
+}
+
+function saveConfig(cfg) {
+  const dir = path.dirname(CONFIG_PATH);
+  if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
+  fs.writeFileSync(CONFIG_PATH, JSON.stringify(cfg, null, 2), 'utf-8');
+}
+
+function isInstalled() {
+  return fs.existsSync(CONFIG_PATH);
+}
+
+async function getPool() {
+  if (!pool) {
+    const cfg = getConfig();
+    if (!cfg) throw new Error('SYSTEM_NOT_INSTALLED');
+    pool = mysql.createPool({
+      host: cfg.db_host || 'localhost',
+      port: cfg.db_port || 3306,
+      user: cfg.db_user,
+      password: cfg.db_pass,
+      database: cfg.db_name,
+      waitForConnections: true,
+      connectionLimit: 10,
+      charset: 'utf8mb4',
+      timezone: '+08:00',
+    });
+  }
+  return pool;
+}
+
+async function query(sql, params = []) {
+  const p = await getPool();
+  const [rows, fields] = await p.execute(sql, params);
+  return rows;
+}
+
+async function getRow(sql, params = []) {
+  const rows = await query(sql, params);
+  return rows[0] || null;
+}
+
+async function initSchema(connection) {
+  const db = connection || await getPool();
+
+  const createIfNotExists = async (tableName, sql) => {
+    const [rows] = await db.execute(`SELECT COUNT(*) as c FROM information_schema.tables WHERE table_schema = DATABASE() AND table_name = ?`, [tableName]);
+    if (rows[0].c > 0) return; // Table exists
+    await db.execute(sql);
+  };
+
+  await createIfNotExists('users', `CREATE TABLE users (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    username VARCHAR(50) NOT NULL UNIQUE,
+    password VARCHAR(255) NOT NULL,
+    email VARCHAR(100) NOT NULL,
+    game_name VARCHAR(50) NOT NULL,
+    game_uid VARCHAR(50) NOT NULL,
+    role ENUM('owner','admin','player') NOT NULL DEFAULT 'player',
+    active TINYINT(1) NOT NULL DEFAULT 0,
+    email_verified TINYINT(1) NOT NULL DEFAULT 0,
+    verify_token VARCHAR(255),
+    verify_expires DATETIME,
+    reset_token VARCHAR(255),
+    reset_expires DATETIME,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4`);
+
+  await createIfNotExists('tickets', `CREATE TABLE tickets (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    user_id INT,
+    type ENUM('report','suggestion','appeal') NOT NULL,
+    title VARCHAR(100) NOT NULL,
+    status ENUM('pending','processing','awaiting_info','resolved','rejected','closed') NOT NULL DEFAULT 'pending',
+    priority ENUM('low','medium','high','urgent') NOT NULL DEFAULT 'medium',
+    reporter_game_name VARCHAR(50) NOT NULL,
+    reporter_game_uid VARCHAR(50) NOT NULL,
+    target_game_name VARCHAR(50),
+    target_game_uid VARCHAR(50),
+    reason VARCHAR(500),
+    description TEXT,
+    assigned_to INT,
+    claim_note TEXT,
+    claimed_at DATETIME,
+    tracking_token VARCHAR(255) UNIQUE,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    INDEX idx_type (type),
+    INDEX idx_status (status),
+    INDEX idx_user (user_id),
+    INDEX idx_tracking (tracking_token),
+    INDEX idx_assigned (assigned_to)
+  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4`);
+
+  await createIfNotExists('ticket_transfers', `CREATE TABLE ticket_transfers (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    ticket_id INT NOT NULL,
+    from_user_id INT NOT NULL,
+    to_user_id INT NOT NULL,
+    reason TEXT,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    INDEX idx_ticket (ticket_id)
+  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4`);
+
+  await createIfNotExists('attachments', `CREATE TABLE attachments (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    ticket_id INT NOT NULL,
+    original_name VARCHAR(255) NOT NULL,
+    stored_name VARCHAR(255) NOT NULL,
+    mime_type VARCHAR(100) NOT NULL,
+    size INT NOT NULL,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    INDEX idx_ticket (ticket_id)
+  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4`);
+
+  await createIfNotExists('responses', `CREATE TABLE responses (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    ticket_id INT NOT NULL,
+    user_id INT,
+    content TEXT NOT NULL,
+    is_staff TINYINT(1) NOT NULL DEFAULT 0,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    INDEX idx_ticket (ticket_id)
+  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4`);
+
+  await createIfNotExists('email_templates', `CREATE TABLE email_templates (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    code VARCHAR(50) NOT NULL UNIQUE,
+    name VARCHAR(100) NOT NULL,
+    subject VARCHAR(255) NOT NULL,
+    body TEXT NOT NULL,
+    description TEXT,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4`);
+
+  await createIfNotExists('notification_configs', `CREATE TABLE notification_configs (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    name VARCHAR(100) NOT NULL,
+    type ENUM('webhook','email') NOT NULL DEFAULT 'webhook',
+    webhook_url TEXT,
+    events VARCHAR(500) NOT NULL DEFAULT 'all',
+    active TINYINT(1) NOT NULL DEFAULT 1,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4`);
+
+  await createIfNotExists('settings', `CREATE TABLE settings (
+    k VARCHAR(100) PRIMARY KEY,
+    v TEXT NOT NULL,
+    label VARCHAR(255),
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4`);
+
+  await createIfNotExists('captchas', `CREATE TABLE captchas (
+    id VARCHAR(255) PRIMARY KEY,
+    question VARCHAR(100) NOT NULL,
+    answer VARCHAR(20) NOT NULL,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4`);
+
+  await createIfNotExists('audit_logs', `CREATE TABLE audit_logs (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    user_id INT,
+    username VARCHAR(50),
+    action VARCHAR(100) NOT NULL,
+    entity_type VARCHAR(50),
+    entity_id INT,
+    details TEXT,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    INDEX idx_created (created_at)
+  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4`);
+
+  await seedTemplates(db);
+}
+
+async function seedTemplates(db) {
+  const [rows] = await db.execute('SELECT COUNT(*) as c FROM email_templates');
+  if (rows[0].c > 0) return;
+
+  const temps = [
+    ['verify_email', '邮箱验证', '【{{site_name}}】请验证您的邮箱',
+     '<p>您好 <strong>{{username}}</strong>（游戏名: {{game_name}}，UID: {{game_uid}}），</p><p>感谢注册！请点击以下链接验证邮箱：</p><p><a href="{{verify_link}}">{{verify_link}}</a></p><p>链接有效期24小时。</p><p>— {{site_name}}</p>',
+     '变量: {{site_name}}, {{username}}, {{game_name}}, {{game_uid}}, {{verify_link}}'],
+    ['ticket_created', '工单创建通知', '【{{site_name}}】{{ticket_type}}已提交 #{{ticket_id}}',
+     '<p><strong>{{reporter_game_name}}</strong>（UID: {{reporter_game_uid}}），您的{{ticket_type}}已提交。</p><p>工单编号: <strong>#{{ticket_id}}</strong></p><p>标题: {{ticket_title}}</p><p><a href="{{tracking_link}}">查看工单</a></p><p>— {{site_name}}</p>',
+     '变量: {{site_name}}, {{reporter_game_name}}, {{ticket_type}}, {{ticket_id}}, {{ticket_title}}, {{tracking_link}}'],
+    ['ticket_updated', '工单状态更新', '【{{site_name}}】工单 #{{ticket_id}} 状态更新',
+     '<p>工单 <strong>#{{ticket_id}}</strong> 状态已更新为 <strong>{{ticket_status}}</strong>。</p><p>标题: {{ticket_title}}</p><p><a href="{{tracking_link}}">查看详情</a></p><p>— {{site_name}}</p>',
+     '变量: {{site_name}}, {{ticket_id}}, {{ticket_title}}, {{ticket_status}}, {{tracking_link}}'],
+    ['ticket_claimed', '工单被认领', '【{{site_name}}】工单 #{{ticket_id}} 已被认领',
+     '<p>工单 <strong>#{{ticket_id}}</strong>（{{ticket_title}}）已被 <strong>{{assigned_to}}</strong> 认领。</p><p>— {{site_name}}</p>',
+     '变量: {{site_name}}, {{ticket_id}}, {{ticket_title}}, {{assigned_to}}'],
+    ['ticket_transferred', '工单已转交', '【{{site_name}}】工单 #{{ticket_id}} 已转交',
+     '<p>工单 <strong>#{{ticket_id}}</strong>（{{ticket_title}}）已由 {{from_user}} 转交给 {{to_user}}。</p><p>— {{site_name}}</p>',
+     '变量: {{site_name}}, {{ticket_id}}, {{ticket_title}}, {{from_user}}, {{to_user}}'],
+  ];
+
+  for (const t of temps) {
+    await db.execute('INSERT INTO email_templates(code, name, subject, body, description) VALUES (?,?,?,?,?)', t);
+  }
+}
+
+module.exports = { getPool, query, getRow, initSchema, isInstalled, getConfig, saveConfig, CONFIG_PATH };
diff --git a/backend/mailer.js b/backend/mailer.js
new file mode 100644
index 0000000..d91bded
--- /dev/null
+++ b/backend/mailer.js
@@ -0,0 +1,59 @@
+const nodemailer = require('nodemailer');
+const { getPool, query, getRow, getConfig } = require('./db');
+
+async function getSmtpConfig() {
+  try {
+    const rows = await query("SELECT k, v FROM settings WHERE k LIKE 'smtp_%'");
+    const cfg = {};
+    for (const r of rows) cfg[r.k] = r.v;
+    return {
+      host: cfg.smtp_host || '',
+      port: parseInt(cfg.smtp_port) || 587,
+      secure: cfg.smtp_secure === '1',
+      user: cfg.smtp_user || '',
+      pass: cfg.smtp_pass || '',
+      from: cfg.smtp_from || 'noreply@example.com',
+    };
+  } catch { return { host: '', port: 587, secure: false, user: '', pass: '', from: '' }; }
+}
+
+async function getSiteName() {
+  const row = await getRow("SELECT v FROM settings WHERE k = 'site_name'");
+  return row ? row.v : 'MC举报系统';
+}
+
+async function getSiteUrl() {
+  const row = await getRow("SELECT v FROM settings WHERE k = 'site_url'");
+  return row ? row.v : 'http://localhost:3100';
+}
+
+async function getTemplate(code) {
+  return getRow('SELECT * FROM email_templates WHERE code = ?', [code]);
+}
+
+function renderTemplate(template, vars) {
+  let { subject, body } = template;
+  for (const [k, v] of Object.entries(vars)) {
+    const re = new RegExp(`\\{\\{${k}\\}\\}`, 'g');
+    subject = subject.replace(re, v || '');
+    body = body.replace(re, v || '');
+  }
+  return { subject, body };
+}
+
+async function sendEmail(to, templateCode, vars) {
+  try {
+    const cfg = await getSmtpConfig();
+    if (!cfg.host || !cfg.user) { console.log('[Mailer] SMTP未配置'); return false; }
+    const template = await getTemplate(templateCode);
+    if (!template) { console.log('[Mailer] 模板不存在:', templateCode); return false; }
+    const allVars = { ...vars, site_name: await getSiteName(), site_url: await getSiteUrl() };
+    const { subject, body } = renderTemplate(template, allVars);
+
+    const transporter = nodemailer.createTransport({ host: cfg.host, port: cfg.port, secure: cfg.secure, auth: { user: cfg.user, pass: cfg.pass } });
+    await transporter.sendMail({ from: `"${await getSiteName()}" <${cfg.from}>`, to, subject, html: body });
+    return true;
+  } catch (err) { console.error('[Mailer]', err.message); return false; }
+}
+
+module.exports = { sendEmail, renderTemplate, getTemplate, getSmtpConfig, getSiteName, getSiteUrl };
diff --git a/backend/middleware/auth.js b/backend/middleware/auth.js
new file mode 100644
index 0000000..afad4b9
--- /dev/null
+++ b/backend/middleware/auth.js
@@ -0,0 +1,37 @@
+const jwt = require('jsonwebtoken');
+const { getConfig } = require('../db');
+
+function getSecret() {
+  try {
+    const cfg = getConfig();
+    return cfg?.jwt_secret || process.env.JWT_SECRET || 'mc-dev-secret';
+  } catch { return process.env.JWT_SECRET || 'mc-dev-secret'; }
+}
+
+function generateToken(user) {
+  return jwt.sign({ id: user.id, username: user.username, role: user.role, game_name: user.game_name, game_uid: user.game_uid, email: user.email }, getSecret(), { expiresIn: '72h' });
+}
+
+function verifyToken(token) { return jwt.verify(token, getSecret()); }
+
+function authenticate(req, res, next) {
+  const h = req.headers.authorization;
+  if (!h || !h.startsWith('Bearer ')) return res.status(401).json({ error: '请先登录' });
+  try { req.user = verifyToken(h.split(' ')[1]); next(); } catch { return res.status(401).json({ error: '登录已过期' }); }
+}
+
+function requireRole(...roles) {
+  return (req, res, next) => {
+    if (!req.user) return res.status(401).json({ error: '请先登录' });
+    if (!roles.includes(req.user.role)) return res.status(403).json({ error: '权限不足' });
+    next();
+  };
+}
+
+function optionalAuth(req, res, next) {
+  const h = req.headers.authorization;
+  if (h && h.startsWith('Bearer ')) { try { req.user = verifyToken(h.split(' ')[1]); } catch {} }
+  next();
+}
+
+module.exports = { generateToken, verifyToken, authenticate, requireRole, optionalAuth };
diff --git a/backend/middleware/security.js b/backend/middleware/security.js
new file mode 100644
index 0000000..2fcbef2
--- /dev/null
+++ b/backend/middleware/security.js
@@ -0,0 +1,145 @@
+const xss = require('xss');
+const rateLimit = require('express-rate-limit');
+const fs = require('fs');
+const path = require('path');
+
+const CONFIG_PATH = path.join(__dirname, '..', '..', 'data', 'config.json');
+
+function readApiKey() {
+  try {
+    if (fs.existsSync(CONFIG_PATH)) {
+      return JSON.parse(fs.readFileSync(CONFIG_PATH, 'utf-8')).api_key || null;
+    }
+  } catch {}
+  return null;
+}
+
+let cachedApiKey = null;
+function getApiKey() {
+  if (cachedApiKey === null) cachedApiKey = readApiKey();
+  return cachedApiKey;
+}
+function clearApiKeyCache() { cachedApiKey = null; }
+
+const xssOptions = {
+  whiteList: {},
+  stripIgnoreTag: true,
+  stripIgnoreTagBody: ['script', 'style', 'xml', 'iframe', 'object', 'embed'],
+};
+
+function sanitize(value) {
+  if (typeof value !== 'string') return value;
+  return xss(value, xssOptions).trim();
+}
+
+function sanitizeBody(req, res, next) {
+  if (req.body) {
+    for (const key of Object.keys(req.body)) {
+      if (typeof req.body[key] === 'string') {
+        req.body[key] = sanitize(req.body[key]);
+      }
+    }
+  }
+  next();
+}
+
+function validateLengths(rules) {
+  return (req, res, next) => {
+    for (const [field, maxLen] of Object.entries(rules)) {
+      const val = req.body[field];
+      if (val && typeof val === 'string' && val.length > maxLen) {
+        return res.status(400).json({ error: `${field} 长度不能超过 ${maxLen} 个字符` });
+      }
+    }
+    next();
+  };
+}
+
+const loginLimiter = rateLimit({
+  windowMs: 60 * 1000,
+  max: 8,
+  message: { error: '登录尝试过于频繁，请1分钟后再试' },
+  standardHeaders: true,
+  legacyHeaders: false,
+  keyGenerator: (req) => req.ip,
+});
+
+const registerLimiter = rateLimit({
+  windowMs: 60 * 1000,
+  max: 3,
+  message: { error: '注册请求过于频繁，请1分钟后再试' },
+  standardHeaders: true,
+  legacyHeaders: false,
+});
+
+const ticketLimiter = rateLimit({
+  windowMs: 60 * 1000,
+  max: 10,
+  message: { error: '提交过于频繁，请稍后再试' },
+  standardHeaders: true,
+  legacyHeaders: false,
+});
+
+const ticketAnonLimiter = rateLimit({
+  windowMs: 60 * 1000,
+  max: 5,
+  message: { error: '匿名提交过于频繁，请登录后再试或稍后重试' },
+  standardHeaders: true,
+  legacyHeaders: false,
+});
+
+const uploadLimiter = rateLimit({
+  windowMs: 60 * 1000,
+  max: 5,
+  message: { error: '上传请求过于频繁' },
+  standardHeaders: true,
+  legacyHeaders: false,
+});
+
+const generalLimiter = rateLimit({
+  windowMs: 60 * 1000,
+  max: 300,
+  message: { error: '请求过于频繁' },
+  standardHeaders: true,
+  legacyHeaders: false,
+});
+
+const captchaLimiter = rateLimit({
+  windowMs: 60 * 1000,
+  max: 30,
+  message: { error: '验证码请求过于频繁' },
+});
+
+function apiKeyGuard(req, res, next) {
+  const p = req.originalUrl;
+  if (p === '/api/health' || p.startsWith('/api/install')) return next();
+  const key = getApiKey();
+  if (!key) return next();
+  if (req.headers['x-api-key'] !== key) return res.status(401).json({ error: '无效的 API 密钥' });
+  next();
+}
+
+function methodGuard(allowed) {
+  return (req, res, next) => {
+    if (!allowed.includes(req.method)) {
+      return res.status(405).json({ error: `不允许 ${req.method} 方法` });
+    }
+    next();
+  };
+}
+
+module.exports = {
+  sanitize,
+  sanitizeBody,
+  validateLengths,
+  loginLimiter,
+  registerLimiter,
+  ticketLimiter,
+  ticketAnonLimiter,
+  uploadLimiter,
+  generalLimiter,
+  captchaLimiter,
+  apiKeyGuard,
+  methodGuard,
+  clearApiKeyCache,
+};
diff --git a/backend/middleware/upload.js b/backend/middleware/upload.js
new file mode 100644
index 0000000..10ba05e
--- /dev/null
+++ b/backend/middleware/upload.js
@@ -0,0 +1,75 @@
+const multer = require('multer');
+const path = require('path');
+const crypto = require('crypto');
+const fs = require('fs');
+
+const UPLOAD_DIR = path.join(__dirname, '..', '..', 'data', 'uploads');
+if (!fs.existsSync(UPLOAD_DIR)) fs.mkdirSync(UPLOAD_DIR, { recursive: true });
+
+const ALLOWED_MIME = {
+  'image/jpeg': ['.jpg', '.jpeg'],
+  'image/png': ['.png'],
+  'image/gif': ['.gif'],
+  'image/webp': ['.webp'],
+  'video/mp4': ['.mp4'],
+  'video/webm': ['.webm'],
+};
+
+const ALLOWED_EXT = ['.jpg', '.jpeg', '.png', '.gif', '.webp', '.mp4', '.webm'];
+
+function validateMagicBytes(buffer, mime) {
+  const head = buffer.slice(0, 12);
+  const sigs = {
+    'image/jpeg': () => head[0] === 0xFF && head[1] === 0xD8,
+    'image/png': () => head[0] === 0x89 && head[1] === 0x50 && head[2] === 0x4E && head[3] === 0x47,
+    'image/gif': () => head.toString('ascii', 0, 6) === 'GIF89a' || head.toString('ascii', 0, 6) === 'GIF87a',
+    'image/webp': () => head.toString('ascii', 0, 4) === 'RIFF' && head.toString('ascii', 8, 12) === 'WEBP',
+    'video/mp4': () => buffer.includes(Buffer.from('ftyp')),
+    'video/webm': () => head[0] === 0x1A && head[1] === 0x45 && head[2] === 0xDF && head[3] === 0xA3,
+  };
+  if (!sigs[mime]) return false;
+  try { return sigs[mime](); } catch { return false; }
+}
+
+const storage = multer.diskStorage({
+  destination: (req, file, cb) => cb(null, UPLOAD_DIR),
+  filename: (req, file, cb) => {
+    const ext = path.extname(file.originalname).toLowerCase();
+    cb(null, crypto.randomUUID() + ext);
+  },
+});
+
+function fileFilter(req, file, cb) {
+  const ext = path.extname(file.originalname).toLowerCase();
+  if (!ALLOWED_EXT.includes(ext)) {
+    return cb(new Error('不支持的文件类型，仅允许: ' + ALLOWED_EXT.join(', ')));
+  }
+  cb(null, true);
+}
+
+const upload = multer({
+  storage,
+  fileFilter,
+  limits: {
+    fileSize: 50 * 1024 * 1024,
+    files: 5,
+  },
+});
+
+function finalizeUpload(req, res, next) {
+  if (!req.files || req.files.length === 0) return next();
+  for (const file of req.files) {
+    const buf = fs.readFileSync(file.path);
+    if (!ALLOWED_MIME[file.mimetype]) {
+      fs.unlinkSync(file.path);
+      return res.status(400).json({ error: `不支持的文件类型: ${file.mimetype}` });
+    }
+    if (!validateMagicBytes(buf, file.mimetype)) {
+      fs.unlinkSync(file.path);
+      return res.status(400).json({ error: '文件内容与声明类型不符，可能是恶意文件' });
+    }
+  }
+  next();
+}
+
+module.exports = { upload, finalizeUpload, validateMagicBytes, UPLOAD_DIR, ALLOWED_MIME };
diff --git a/backend/routes/auth.js b/backend/routes/auth.js
new file mode 100644
index 0000000..c7229f9
--- /dev/null
+++ b/backend/routes/auth.js
@@ -0,0 +1,203 @@
+const express = require('express');
+const bcrypt = require('bcryptjs');
+const { v4: uuid } = require('uuid');
+const { query, getRow } = require('../db');
+const { generateToken, authenticate } = require('../middleware/auth');
+const { sendEmail } = require('../mailer');
+const { verify: verifyCaptcha } = require('./captcha');
+const { validateLengths } = require('../middleware/security');
+
+const router = express.Router();
+
+async function getSiteUrl() {
+  const row = await getRow("SELECT v FROM settings WHERE k = 'site_url'");
+  return row?.v || 'http://localhost:3100';
+}
+
+router.post('/register', validateLengths({
+  username: 20, password: 100, email: 100, game_name: 50, game_uid: 50,
+}), async (req, res) => {
+  try {
+    const { username, password, email, game_name, game_uid, captcha_id, captcha_answer } = req.body;
+
+    if (!username || !password || !email || !game_name || !game_uid) {
+      return res.status(400).json({ error: '所有字段均为必填' });
+    }
+    if (username.length < 2 || username.length > 20) {
+      return res.status(400).json({ error: '用户名需2-20个字符' });
+    }
+    if (password.length < 6) {
+      return res.status(400).json({ error: '密码至少6位' });
+    }
+    if (!/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email)) {
+      return res.status(400).json({ error: '邮箱格式不正确' });
+    }
+
+    if (captcha_id && captcha_answer) {
+      const captchaOk = await verifyCaptcha(captcha_id, captcha_answer);
+      if (!captchaOk) {
+        return res.status(400).json({ error: '人机验证失败' });
+      }
+    }
+
+    const existingUser = await getRow('SELECT id FROM users WHERE username = ?', [username]);
+    if (existingUser) {
+      return res.status(400).json({ error: '用户名已存在' });
+    }
+    const existingEmail = await getRow('SELECT id FROM users WHERE email = ?', [email]);
+    if (existingEmail) {
+      return res.status(400).json({ error: '邮箱已被注册' });
+    }
+
+    const hashed = await bcrypt.hash(password, 10);
+    const verifyToken = uuid();
+    const verifyExpires = new Date(Date.now() + 24 * 3600 * 1000).toISOString().replace('T', ' ').slice(0, 19);
+
+    await query(
+      'INSERT INTO users(username, password, email, game_name, game_uid, active, email_verified, verify_token, verify_expires) VALUES (?,?,?,?,?,?,?,?,?)',
+      [username, hashed, email, game_name, game_uid, 0, 0, verifyToken, verifyExpires]
+    );
+
+    const siteUrl = await getSiteUrl();
+    const sent = await sendEmail(email, 'verify_email', {
+      username, game_name, game_uid,
+      verify_link: `${siteUrl}#/verify?token=${verifyToken}`,
+    });
+
+    if (!sent) {
+      await query('UPDATE users SET email_verified = 1, active = 1, verify_token = NULL, verify_expires = NULL WHERE username = ?', [username]);
+      return res.status(201).json({ message: '注册成功！SMTP未配置，账号已自动激活，请直接登录' });
+    }
+
+    res.status(201).json({ message: '注册成功，请查收验证邮件' });
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+router.get('/verify-email', async (req, res) => {
+  try {
+    const { token } = req.query;
+    if (!token) return res.status(400).json({ error: '无效的验证链接' });
+
+    const user = await getRow('SELECT * FROM users WHERE verify_token = ? AND verify_expires > NOW()', [token]);
+    if (!user) return res.status(400).json({ error: '验证链接无效或已过期' });
+
+    await query('UPDATE users SET email_verified = 1, active = 1, verify_token = NULL, verify_expires = NULL WHERE id = ?', [user.id]);
+    await query(
+      'INSERT INTO audit_logs(user_id, username, action, entity_type, entity_id, details) VALUES (?,?,?,?,?,?)',
+      [user.id, user.username, 'verify_email', 'user', user.id, '邮箱验证通过']
+    );
+
+    res.json({ message: '邮箱验证成功，现在可以登录了' });
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+router.post('/login', async (req, res) => {
+  try {
+    const { username, password } = req.body;
+    if (!username || !password) return res.status(400).json({ error: '请输入用户名和密码' });
+
+    const user = await getRow('SELECT * FROM users WHERE username = ?', [username]);
+    if (!user) return res.status(401).json({ error: '用户名或密码错误' });
+
+    const valid = await bcrypt.compare(password, user.password);
+    if (!valid) return res.status(401).json({ error: '用户名或密码错误' });
+
+    if (!user.active) return res.status(403).json({ error: '账号未激活，请先验证邮箱' });
+
+    const token = generateToken(user);
+    await query(
+      'INSERT INTO audit_logs(user_id, username, action, entity_type, entity_id, details) VALUES (?,?,?,?,?,?)',
+      [user.id, user.username, 'login', 'user', user.id, '登录系统']
+    );
+
+    res.json({
+      token,
+      user: {
+        id: user.id,
+        username: user.username,
+        email: user.email,
+        game_name: user.game_name,
+        game_uid: user.game_uid,
+        role: user.role,
+      },
+    });
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+router.get('/me', authenticate, async (req, res) => {
+  try {
+    const user = await getRow(
+      'SELECT id, username, email, game_name, game_uid, role, email_verified, created_at FROM users WHERE id = ?',
+      [req.user.id]
+    );
+    if (!user) return res.status(404).json({ error: '用户不存在' });
+    res.json(user);
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+router.put('/profile', authenticate, async (req, res) => {
+  try {
+    const fields = {};
+    const values = [];
+    if (req.body.game_name) {
+      fields.game_name = req.body.game_name;
+    }
+    if (req.body.game_uid) {
+      fields.game_uid = req.body.game_uid;
+    }
+    if (req.body.email) {
+      if (!/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(req.body.email)) {
+        return res.status(400).json({ error: '邮箱格式不正确' });
+      }
+      fields.email = req.body.email;
+    }
+
+    if (Object.keys(fields).length === 0) {
+      return res.status(400).json({ error: '无更新内容' });
+    }
+
+    const sets = Object.keys(fields).map(k => `${k} = ?`).join(', ');
+    await query(`UPDATE users SET ${sets} WHERE id = ?`, [...Object.values(fields), req.user.id]);
+
+    const updated = await getRow(
+      'SELECT id, username, email, game_name, game_uid, role FROM users WHERE id = ?',
+      [req.user.id]
+    );
+    const token = generateToken(updated);
+    res.json({ message: '更新成功', token, user: updated });
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+router.put('/password', authenticate, async (req, res) => {
+  try {
+    const { oldPassword, newPassword } = req.body;
+    if (!oldPassword || !newPassword) {
+      return res.status(400).json({ error: '请提供新旧密码' });
+    }
+    if (newPassword.length < 6) {
+      return res.status(400).json({ error: '新密码至少6位' });
+    }
+
+    const user = await getRow('SELECT * FROM users WHERE id = ?', [req.user.id]);
+    const valid = await bcrypt.compare(oldPassword, user.password);
+    if (!valid) return res.status(400).json({ error: '旧密码错误' });
+
+    const hashed = await bcrypt.hash(newPassword, 10);
+    await query('UPDATE users SET password = ? WHERE id = ?', [hashed, req.user.id]);
+    res.json({ message: '密码修改成功' });
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+module.exports = router;
diff --git a/backend/routes/captcha.js b/backend/routes/captcha.js
new file mode 100644
index 0000000..3449035
--- /dev/null
+++ b/backend/routes/captcha.js
@@ -0,0 +1,31 @@
+const express = require('express');
+const crypto = require('crypto');
+const { query } = require('../db');
+
+const router = express.Router();
+
+router.get('/', async (req, res) => {
+  try {
+    await query("DELETE FROM captchas WHERE created_at < NOW() - INTERVAL 5 MINUTE");
+    const id = crypto.randomUUID();
+    const ops = ['+', '-', '\u00d7'];
+    const op = ops[Math.floor(Math.random() * ops.length)];
+    let a, b;
+    if (op === '\u00d7') { a = Math.floor(Math.random() * 9) + 1; b = Math.floor(Math.random() * 9) + 1; }
+    else { a = Math.floor(Math.random() * 20) + 1; b = Math.floor(Math.random() * 10) + 1; if (op === '-' && a < b) [a, b] = [b, a]; }
+    const answer = op === '+' ? a + b : op === '-' ? a - b : a * b;
+    const question = `${a} ${op} ${b} = ?`;
+    await query('INSERT INTO captchas(id, question, answer) VALUES (?,?,?)', [id, question, String(answer)]);
+    res.json({ id, question });
+  } catch (e) { res.status(500).json({ error: e.message }); }
+});
+
+async function verify(id, answer) {
+  const rows = await query("SELECT * FROM captchas WHERE id = ? AND created_at > NOW() - INTERVAL 5 MINUTE", [id]);
+  if (!rows.length) return false;
+  await query('DELETE FROM captchas WHERE id = ?', [id]);
+  return String(answer).trim() === rows[0].answer;
+}
+
+module.exports = router;
+module.exports.verify = verify;
diff --git a/backend/routes/complaints.js b/backend/routes/complaints.js
new file mode 100644
index 0000000..4fc3350
--- /dev/null
+++ b/backend/routes/complaints.js
@@ -0,0 +1,208 @@
+const express = require('express');
+const { getDb } = require('../db');
+const { authenticate, requireRole, optionalAuth } = require('../middleware/auth');
+
+const router = express.Router();
+
+router.get('/', optionalAuth, (req, res) => {
+  const db = getDb();
+  let query = `SELECT c.*, 
+    p.display_name as planner_name, i.display_name as implementer_name, r.display_name as reviewer_name
+    FROM complaints c
+    LEFT JOIN users p ON c.assigned_planner_id = p.id
+    LEFT JOIN users i ON c.assigned_implementer_id = i.id
+    LEFT JOIN users r ON c.assigned_reviewer_id = r.id`;
+  let conditions = [];
+  let params = [];
+
+  const { status, priority, category, search } = req.query;
+
+  if (!req.user) {
+    conditions.push("c.status != 'pending'");
+  }
+
+  if (status) {
+    conditions.push('c.status = ?');
+    params.push(status);
+  }
+  if (priority) {
+    conditions.push('c.priority = ?');
+    params.push(priority);
+  }
+  if (category) {
+    conditions.push('c.category = ?');
+    params.push(category);
+  }
+  if (search) {
+    conditions.push("(c.title LIKE ? OR c.description LIKE ? OR c.player_name LIKE ?)");
+    const s = `%${search}%`;
+    params.push(s, s, s);
+  }
+
+  if (req.user && req.user.role === 'planner') {
+    conditions.push('(c.assigned_planner_id = ? OR c.assigned_planner_id IS NULL)');
+    params.push(req.user.id);
+  }
+  if (req.user && req.user.role === 'implementer') {
+    conditions.push('c.assigned_implementer_id = ?');
+    params.push(req.user.id);
+  }
+  if (req.user && req.user.role === 'reviewer') {
+    conditions.push('c.assigned_reviewer_id = ?');
+    params.push(req.user.id);
+  }
+
+  if (conditions.length > 0) {
+    query += ' WHERE ' + conditions.join(' AND ');
+  }
+  query += ' ORDER BY c.updated_at DESC';
+
+  const complaints = db.prepare(query).all(...params);
+  res.json(complaints);
+});
+
+router.get('/stats', authenticate, (req, res) => {
+  const db = getDb();
+  const total = db.prepare('SELECT COUNT(*) as count FROM complaints').get();
+  const byStatus = db.prepare('SELECT status, COUNT(*) as count FROM complaints GROUP BY status').all();
+  const byPriority = db.prepare('SELECT priority, COUNT(*) as count FROM complaints GROUP BY priority').all();
+  const today = db.prepare("SELECT COUNT(*) as count FROM complaints WHERE date(created_at) = date('now','localtime')").get();
+
+  let myStats = {};
+  if (['planner', 'implementer', 'reviewer'].includes(req.user.role)) {
+    const roleMap = { planner: 'assigned_planner_id', implementer: 'assigned_implementer_id', reviewer: 'assigned_reviewer_id' };
+    const col = roleMap[req.user.role];
+    myStats.total = db.prepare(`SELECT COUNT(*) as count FROM complaints WHERE ${col} = ?`).get(req.user.id).count;
+    myStats.pending = db.prepare(`SELECT COUNT(*) as count FROM complaints WHERE ${col} = ? AND status NOT IN ('resolved','closed','rejected')`).get(req.user.id).count;
+    myStats.completed = db.prepare(`SELECT COUNT(*) as count FROM complaints WHERE ${col} = ? AND status IN ('resolved','closed')`).get(req.user.id).count;
+  }
+
+  res.json({ total: total.count, byStatus, byPriority, today: today.count, myStats });
+});
+
+router.get('/:id', optionalAuth, (req, res) => {
+  const db = getDb();
+  const complaint = db.prepare(`SELECT c.*, 
+    p.display_name as planner_name, i.display_name as implementer_name, r.display_name as reviewer_name
+    FROM complaints c
+    LEFT JOIN users p ON c.assigned_planner_id = p.id
+    LEFT JOIN users i ON c.assigned_implementer_id = i.id
+    LEFT JOIN users r ON c.assigned_reviewer_id = r.id
+    WHERE c.id = ?`).get(req.params.id);
+  if (!complaint) return res.status(404).json({ error: '投诉不存在' });
+
+  const responses = db.prepare(`SELECT r.*, u.display_name as user_name, u.role as user_role
+    FROM responses r LEFT JOIN users u ON r.user_id = u.id
+    WHERE r.complaint_id = ? ORDER BY r.created_at ASC`).all(req.params.id);
+  complaint.responses = responses;
+
+  if (complaint.plan_id) {
+    const plan = db.prepare(`SELECT p.*, u.display_name as planner_name FROM plans p
+      LEFT JOIN users u ON p.planner_id = u.id WHERE p.id = ?`).get(complaint.plan_id);
+    complaint.plan = plan;
+  }
+  if (complaint.implementation_id) {
+    const impl = db.prepare(`SELECT i.*, u.display_name as implementer_name FROM implementations i
+      LEFT JOIN users u ON i.implementer_id = u.id WHERE i.id = ?`).get(complaint.implementation_id);
+    complaint.implementation = impl;
+  }
+  if (complaint.review_id) {
+    const review = db.prepare(`SELECT r.*, u.display_name as reviewer_name FROM reviews r
+      LEFT JOIN users u ON r.reviewer_id = u.id WHERE r.id = ?`).get(complaint.review_id);
+    complaint.review = review;
+  }
+
+  res.json(complaint);
+});
+
+router.post('/', optionalAuth, (req, res) => {
+  const { title, description, category, priority, player_name, player_email, player_contact } = req.body;
+  if (!title || !description || !player_name) {
+    return res.status(400).json({ error: '标题、描述和玩家名称为必填项' });
+  }
+  const db = getDb();
+  const result = db.prepare(`INSERT INTO complaints(title, description, category, priority, player_name, player_email, player_contact, status)
+    VALUES (?,?,?,?,?,?,?,'pending')`).run(
+    title, description, category || 'other', priority || 'medium', player_name, player_email || '', player_contact || ''
+  );
+  const complaintId = result.lastInsertRowid;
+
+  db.prepare(`INSERT INTO responses(complaint_id, user_id, response_type, content) VALUES (?,?,?,?)`).run(
+    complaintId, req.user?.id || null, 'system', '投诉已提交，等待处理'
+  );
+  db.prepare(`INSERT INTO audit_logs(user_id, username, action, entity_type, entity_id, details) VALUES (?,?,?,?,?,?)`).run(
+    req.user?.id || null, req.user?.username || player_name, 'create', 'complaint', complaintId,
+    `投诉已创建: ${title}`
+  );
+  res.status(201).json({ id: complaintId, message: '投诉提交成功' });
+});
+
+router.put('/:id', authenticate, (req, res) => {
+  const db = getDb();
+  const complaint = db.prepare('SELECT * FROM complaints WHERE id = ?').get(req.params.id);
+  if (!complaint) return res.status(404).json({ error: '投诉不存在' });
+
+  const allowedFields = {};
+  if (req.body.title) allowedFields.title = req.body.title;
+  if (req.body.description) allowedFields.description = req.body.description;
+  if (req.body.category) allowedFields.category = req.body.category;
+  if (req.body.priority) allowedFields.priority = req.body.priority;
+  if (req.body.status) allowedFields.status = req.body.status;
+
+  if (Object.keys(allowedFields).length === 0) {
+    return res.status(400).json({ error: '没有可更新的字段' });
+  }
+
+  const assignments = {};
+  if (req.body.assigned_planner_id !== undefined) assignments.assigned_planner_id = req.body.assigned_planner_id;
+  if (req.body.assigned_implementer_id !== undefined) assignments.assigned_implementer_id = req.body.assigned_implementer_id;
+  if (req.body.assigned_reviewer_id !== undefined) assignments.assigned_reviewer_id = req.body.assigned_reviewer_id;
+
+  const allFields = { ...allowedFields, ...assignments };
+  const setClauses = Object.keys(allFields).map(k => `${k} = ?`).join(', ');
+  const values = Object.values(allFields);
+
+  db.prepare(`UPDATE complaints SET ${setClauses}, updated_at = datetime('now','localtime') WHERE id = ?`).run(...values, req.params.id);
+
+  if (req.body.status && req.body.status !== complaint.status) {
+    db.prepare(`INSERT INTO responses(complaint_id, user_id, response_type, content) VALUES (?,?,?,?)`).run(
+      req.params.id, req.user.id, 'system', `状态变更为: ${getStatusLabel(req.body.status)}`
+    );
+    db.prepare(`INSERT INTO audit_logs(user_id, username, action, entity_type, entity_id, details) VALUES (?,?,?,?,?,?)`).run(
+      req.user.id, req.user.username, 'update_status', 'complaint', req.params.id,
+      `状态从 ${complaint.status} 变更为 ${req.body.status}`
+    );
+  }
+
+  db.prepare(`INSERT INTO audit_logs(user_id, username, action, entity_type, entity_id, details) VALUES (?,?,?,?,?,?)`).run(
+    req.user.id, req.user.username, 'update', 'complaint', req.params.id, '更新投诉信息'
+  );
+
+  res.json({ message: '更新成功' });
+});
+
+router.post('/:id/response', authenticate, (req, res) => {
+  const { content, response_type } = req.body;
+  if (!content) return res.status(400).json({ error: '内容不能为空' });
+  const db = getDb();
+  const complaint = db.prepare('SELECT * FROM complaints WHERE id = ?').get(req.params.id);
+  if (!complaint) return res.status(404).json({ error: '投诉不存在' });
+
+  db.prepare(`INSERT INTO responses(complaint_id, user_id, response_type, content) VALUES (?,?,?,?)`).run(
+    req.params.id, req.user.id, response_type || 'comment', content
+  );
+  db.prepare(`UPDATE complaints SET updated_at = datetime('now','localtime') WHERE id = ?`).run(req.params.id);
+
+  res.status(201).json({ message: '回复添加成功' });
+});
+
+function getStatusLabel(status) {
+  const labels = {
+    pending: '待处理', under_review: '审查中', planned: '已计划',
+    in_progress: '实施中', in_review: '审核中', resolved: '已解决',
+    rejected: '已驳回', closed: '已关闭'
+  };
+  return labels[status] || status;
+}
+
+module.exports = router;
diff --git a/backend/routes/export.js b/backend/routes/export.js
new file mode 100644
index 0000000..25671ad
--- /dev/null
+++ b/backend/routes/export.js
@@ -0,0 +1,77 @@
+const express = require('express');
+const { query } = require('../db');
+const { authenticate, requireRole } = require('../middleware/auth');
+
+const router = express.Router();
+const SL = { pending:'待处理', processing:'处理中', awaiting_info:'待补充', resolved:'已解决', rejected:'已驳回', closed:'已关闭' };
+const TL = { report:'举报', suggestion:'建议', appeal:'申诉' };
+
+function toCSV(headers, rows, filename) {
+  let csv = '\uFEFF' + headers.join(',') + '\r\n';
+  for (const r of rows) {
+    csv += headers.map(h => { const v = String(r[h] ?? ''); return /[,"\n\r]/.test(v) ? '"' + v.replace(/"/g,'""') + '"' : v; }).join(',') + '\r\n';
+  }
+  return { csv, filename };
+}
+
+router.get('/tickets', authenticate, requireRole('owner'), async (req, res) => {
+  const { type, status, start_date, end_date } = req.query;
+  let q = `SELECT id as '编号', type as '类型', title as '标题', reporter_game_name as '提交者游戏名', reporter_game_uid as '提交者UID', target_game_name as '对象游戏名', target_game_uid as '对象UID', reason as '原因', description as '描述', status as '状态', priority as '优先级', created_at as '创建时间', updated_at as '更新时间' FROM tickets WHERE 1=1`;
+  const p = [];
+  if (type) { q += ' AND type = ?'; p.push(type); }
+  if (status) { q += ' AND status = ?'; p.push(status); }
+  if (start_date) { q += ' AND DATE(created_at) >= ?'; p.push(start_date); }
+  if (end_date) { q += ' AND DATE(created_at) <= ?'; p.push(end_date); }
+  q += ' ORDER BY created_at DESC';
+  const rows = await query(q, p);
+  if (req.query.format === 'csv') {
+    for (const r of rows) { r['类型'] = TL[r['类型']]||r['类型']; r['状态'] = SL[r['状态']]||r['状态']; }
+    const { csv, filename } = toCSV(['编号','类型','标题','提交者游戏名','提交者UID','对象游戏名','对象UID','原因','描述','状态','优先级','创建时间','更新时间'], rows, `tickets_${new Date().toISOString().slice(0,10)}.csv`);
+    res.setHeader('Content-Type','text/csv; charset=utf-8');
+    res.setHeader('Content-Disposition','attachment; filename='+filename);
+    return res.send(csv);
+  }
+  res.json(rows);
+});
+
+router.get('/reported-players', authenticate, requireRole('owner'), async (req, res) => {
+  const rows = await query(`SELECT target_game_name as '被举报人游戏名', target_game_uid as '被举报人UID', COUNT(*) as '被举报次数', SUM(CASE WHEN status='resolved' THEN 1 ELSE 0 END) as '已处理', SUM(CASE WHEN status IN ('pending','processing','awaiting_info') THEN 1 ELSE 0 END) as '处理中', SUM(CASE WHEN status='rejected' THEN 1 ELSE 0 END) as '已驳回', MAX(created_at) as '最近举报时间', GROUP_CONCAT(reason SEPARATOR ' | ') as '常见原因' FROM tickets WHERE type='report' AND target_game_name IS NOT NULL AND target_game_name != '' GROUP BY target_game_name, target_game_uid ORDER BY COUNT(*) DESC`);
+  if (req.query.format === 'csv') {
+    const { csv, filename } = toCSV(['被举报人游戏名','被举报人UID','被举报次数','已处理','处理中','已驳回','最近举报时间','常见原因'], rows, `reported_players_${new Date().toISOString().slice(0,10)}.csv`);
+    res.setHeader('Content-Type','text/csv; charset=utf-8');
+    res.setHeader('Content-Disposition','attachment; filename='+filename);
+    return res.send(csv);
+  }
+  res.json(rows);
+});
+
+router.get('/audit-logs', authenticate, requireRole('owner'), async (req, res) => {
+  const { start_date, end_date } = req.query;
+  let q = `SELECT id as '编号', username as '用户', action as '操作', entity_type as '对象', entity_id as '对象ID', details as '详情', created_at as '时间' FROM audit_logs WHERE 1=1`;
+  const p = [];
+  if (start_date) { q += ' AND DATE(created_at) >= ?'; p.push(start_date); }
+  if (end_date) { q += ' AND DATE(created_at) <= ?'; p.push(end_date); }
+  q += ' ORDER BY created_at DESC LIMIT 5000';
+  const rows = await query(q, p);
+  if (req.query.format === 'csv') {
+    const { csv, filename } = toCSV(['编号','用户','操作','对象','对象ID','详情','时间'], rows, `audit_${new Date().toISOString().slice(0,10)}.csv`);
+    res.setHeader('Content-Type','text/csv; charset=utf-8');
+    res.setHeader('Content-Disposition','attachment; filename='+filename);
+    return res.send(csv);
+  }
+  res.json(rows);
+});
+
+router.get('/dashboard', authenticate, requireRole('owner'), async (req, res) => {
+  const [[{c:total}], byType, byStatus, [{c:today}], [{c:usersTotal}], monthly] = await Promise.all([
+    query('SELECT COUNT(*) as c FROM tickets'),
+    query('SELECT type, COUNT(*) as c FROM tickets GROUP BY type'),
+    query('SELECT status, COUNT(*) as c FROM tickets GROUP BY status'),
+    query("SELECT COUNT(*) as c FROM tickets WHERE DATE(created_at) = CURDATE()"),
+    query('SELECT COUNT(*) as c FROM users'),
+    query("SELECT DATE_FORMAT(created_at,'%Y-%m') as m, COUNT(*) as c FROM tickets GROUP BY m ORDER BY m DESC LIMIT 12"),
+  ]);
+  res.json({ total, byType, byStatus, today, usersTotal, monthly });
+});
+
+module.exports = router;
diff --git a/backend/routes/install.js b/backend/routes/install.js
new file mode 100644
index 0000000..8841d86
--- /dev/null
+++ b/backend/routes/install.js
@@ -0,0 +1,95 @@
+const express = require('express');
+const mysql = require('mysql2/promise');
+const bcrypt = require('bcryptjs');
+const crypto = require('crypto');
+const { isInstalled, saveConfig, getConfig, initSchema } = require('../db');
+
+const router = express.Router();
+
+router.get('/status', (req, res) => {
+  res.json({ installed: isInstalled() });
+});
+
+router.post('/check-db', async (req, res) => {
+  const { host, port, user, password, database } = req.body;
+  try {
+    const conn = await mysql.createConnection({
+      host: host || 'localhost',
+      port: parseInt(port) || 3306,
+      user,
+      password,
+      charset: 'utf8mb4',
+      multipleStatements: true,
+    });
+    const [rows] = await conn.query(`SELECT SCHEMA_NAME FROM information_schema.SCHEMATA WHERE SCHEMA_NAME = ?`, [database]);
+    if (rows.length === 0) {
+      await conn.query(`CREATE DATABASE \`${database}\` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci`);
+    }
+    await conn.end();
+    res.json({ ok: true });
+  } catch (e) {
+    res.status(400).json({ error: '数据库连接失败: ' + e.message });
+  }
+});
+
+router.post('/complete', async (req, res) => {
+  if (isInstalled()) return res.status(400).json({ error: '系统已安装' });
+
+  const { db_host, db_port, db_user, db_pass, db_name,
+    site_name, site_url, admin_username, admin_password, admin_email,
+    admin_game_name, admin_game_uid } = req.body;
+
+  if (!db_host || !db_user || !db_name || !admin_username || !admin_password || !admin_email) {
+    return res.status(400).json({ error: '必填字段不完整' });
+  }
+
+  try {
+    const conn = await mysql.createConnection({
+      host: db_host,
+      port: parseInt(db_port) || 3306,
+      user: db_user,
+      password: db_pass || '',
+      charset: 'utf8mb4',
+      multipleStatements: true,
+    });
+
+    const [dbs] = await conn.query(`SELECT SCHEMA_NAME FROM information_schema.SCHEMATA WHERE SCHEMA_NAME = ?`, [db_name]);
+    if (dbs.length === 0) {
+      await conn.query(`CREATE DATABASE \`${db_name}\` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci`);
+    }
+
+    await conn.query(`USE \`${db_name}\``);
+    await initSchema(conn);
+
+    const hashed = bcrypt.hashSync(admin_password, 10);
+    await conn.query(
+      'INSERT INTO users(username, password, email, game_name, game_uid, role, active, email_verified) VALUES (?,?,?,?,?,?,1,1)',
+      [admin_username, hashed, admin_email, admin_game_name || admin_username, admin_game_uid || 'OWNER001', 'owner']
+    );
+
+    const jwtSecret = crypto.randomBytes(32).toString('hex');
+    const apiKey = crypto.randomBytes(24).toString('hex');
+
+    for (const [k, v, l] of [
+      ['site_name', site_name || 'MC举报系统', '站点名称'],
+      ['site_url', site_url || 'http://localhost:3100', '站点地址'],
+    ]) {
+      await conn.query("INSERT INTO settings(k, v, label) VALUES (?,?,?) ON DUPLICATE KEY UPDATE v=VALUES(v)", [k, v, l]);
+    }
+
+    await conn.end();
+
+    saveConfig({
+      db_host, db_port: parseInt(db_port) || 3306,
+      db_user, db_pass: db_pass || '', db_name,
+      jwt_secret: jwtSecret,
+      api_key: apiKey,
+    });
+
+    res.json({ ok: true, message: '安装完成，请重新启动服务器' });
+  } catch (e) {
+    res.status(500).json({ error: '安装失败: ' + e.message });
+  }
+});
+
+module.exports = router;
diff --git a/backend/routes/notifications.js b/backend/routes/notifications.js
new file mode 100644
index 0000000..1ed720a
--- /dev/null
+++ b/backend/routes/notifications.js
@@ -0,0 +1,46 @@
+const express = require('express');
+const { query, getRow } = require('../db');
+const { authenticate, requireRole } = require('../middleware/auth');
+const { sendWebhook } = require('../webhook');
+
+const router = express.Router();
+
+router.get('/', authenticate, requireRole('owner','admin'), async (req, res) => {
+  res.json(await query('SELECT * FROM notification_configs ORDER BY id'));
+});
+
+router.post('/', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const { name, type, webhook_url, events } = req.body;
+  if (!name||!type) return res.status(400).json({ error: '名称和类型为必填' });
+  if (type==='webhook' && !webhook_url) return res.status(400).json({ error: 'Webhook地址必填' });
+  const r = await query('INSERT INTO notification_configs(name, type, webhook_url, events) VALUES (?,?,?,?)', [name, type, webhook_url||'', events||'all']);
+  await query("INSERT INTO audit_logs(user_id, username, action, entity_type, entity_id, details) VALUES (?,?,?,?,?,?)", [req.user.id, req.user.username, 'create_notification', 'notification_config', r.insertId, `创建通知: ${name}`]);
+  res.status(201).json({ id: r.insertId, message: '创建成功' });
+});
+
+router.put('/:id', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const cfg = await getRow('SELECT * FROM notification_configs WHERE id = ?', [req.params.id]);
+  if (!cfg) return res.status(404).json({ error: '配置不存在' });
+  const fields = {};
+  if (req.body.name) fields.name = req.body.name;
+  if (req.body.webhook_url !== undefined) fields.webhook_url = req.body.webhook_url;
+  if (req.body.events) fields.events = req.body.events;
+  if (req.body.active !== undefined) fields.active = req.body.active?1:0;
+  if (!Object.keys(fields).length) return res.status(400).json({ error: '无更新内容' });
+  const sets = Object.keys(fields).map(k=>`${k}=?`).join(',');
+  await query(`UPDATE notification_configs SET ${sets} WHERE id = ?`, [...Object.values(fields), req.params.id]);
+  res.json({ message: '更新成功' });
+});
+
+router.delete('/:id', authenticate, requireRole('owner','admin'), async (req, res) => {
+  await query('DELETE FROM notification_configs WHERE id = ?', [req.params.id]);
+  res.json({ message: '已删除' });
+});
+
+router.post('/:id/test', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const cfg = await getRow('SELECT * FROM notification_configs WHERE id = ?', [req.params.id]);
+  if (!cfg||!cfg.webhook_url) return res.status(404).json({ error: '配置不存在' });
+  sendWebhook('ticket_created', { ticket_id:'TEST', ticket_title:'测试通知', ticket_type:'测试', reporter_game_name:'TestPlayer', reporter_game_uid:'TEST001', ticket_reason:'这是一条测试消息' }).then(() => res.json({ message:'测试消息已发送' })).catch(e => res.status(500).json({ error:e.message }));
+});
+
+module.exports = router;
diff --git a/backend/routes/settings.js b/backend/routes/settings.js
new file mode 100644
index 0000000..27ec6d2
--- /dev/null
+++ b/backend/routes/settings.js
@@ -0,0 +1,46 @@
+const express = require('express');
+const { query, getRow } = require('../db');
+const { authenticate, requireRole } = require('../middleware/auth');
+
+const router = express.Router();
+
+router.get('/email-templates', authenticate, requireRole('owner','admin'), async (req, res) => {
+  res.json(await query('SELECT * FROM email_templates ORDER BY id'));
+});
+
+router.get('/email-templates/:code', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const t = await getRow('SELECT * FROM email_templates WHERE code = ?', [req.params.code]);
+  if (!t) return res.status(404).json({ error: '模板不存在' });
+  res.json(t);
+});
+
+router.put('/email-templates/:code', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const { subject, body } = req.body;
+  if (!subject||!body) return res.status(400).json({ error: '标题和内容不能为空' });
+  const t = await getRow('SELECT * FROM email_templates WHERE code = ?', [req.params.code]);
+  if (!t) return res.status(404).json({ error: '模板不存在' });
+  await query('UPDATE email_templates SET subject = ?, body = ? WHERE code = ?', [subject, body, req.params.code]);
+  await query("INSERT INTO audit_logs(user_id, username, action, entity_type, entity_id, details) VALUES (?,?,?,?,?,?)", [req.user.id, req.user.username, 'update_email_template', 'email_template', t.id, `更新模板: ${t.name}`]);
+  res.json({ message: '模板更新成功' });
+});
+
+router.get('/settings', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const rows = await query('SELECT k, v, label FROM settings ORDER BY k');
+  const map = {};
+  for (const r of rows) map[r.k] = { value: r.v, label: r.label };
+  res.json(map);
+});
+
+router.put('/settings', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const updates = req.body;
+  if (!updates||typeof updates!=='object') return res.status(400).json({ error: '无效数据' });
+  for (const [key, val] of Object.entries(updates)) {
+    const v = typeof val === 'object' ? val.value : String(val);
+    const l = typeof val === 'object' ? val.label : null;
+    await query("INSERT INTO settings(k, v, label) VALUES (?,?,?) ON DUPLICATE KEY UPDATE v = VALUES(v)", [key, v, l]);
+  }
+  await query("INSERT INTO audit_logs(user_id, username, action, entity_type, entity_id, details) VALUES (?,?,?,?,?,?)", [req.user.id, req.user.username, 'update_settings', 'settings', 0, '更新系统设置']);
+  res.json({ message: '设置已保存' });
+});
+
+module.exports = router;
diff --git a/backend/routes/tickets.js b/backend/routes/tickets.js
new file mode 100644
index 0000000..e569aea
--- /dev/null
+++ b/backend/routes/tickets.js
@@ -0,0 +1,262 @@
+const express = require('express');
+const { v4: uuid } = require('uuid');
+const { getPool, query, getRow } = require('../db');
+const { authenticate, requireRole, optionalAuth } = require('../middleware/auth');
+const { upload, finalizeUpload } = require('../middleware/upload');
+const { sendEmail } = require('../mailer');
+const { sendWebhook } = require('../webhook');
+const { validateLengths } = require('../middleware/security');
+
+const router = express.Router();
+
+const SL = { pending:'待处理', processing:'处理中', awaiting_info:'待补充', resolved:'已解决', rejected:'已驳回', closed:'已关闭' };
+const TL = { report:'举报', suggestion:'建议', appeal:'申诉' };
+const SC = { pending:'#f59e0b', processing:'#7c3aed', awaiting_info:'#d97706', resolved:'#059669', rejected:'#dc2626', closed:'#6b7280' };
+const SO = { processing:1, awaiting_info:2, pending:3, resolved:4, rejected:5, closed:6 };
+
+async function siteUrl() { const r = await getRow("SELECT v FROM settings WHERE k='site_url'"); return r?.v || 'http://localhost:3100'; }
+
+router.get('/', authenticate, async (req, res) => {
+  let q = `SELECT t.*, u.game_name as user_game_name, u.username as submitter, a.game_name as assignee_name
+    FROM tickets t LEFT JOIN users u ON t.user_id = u.id LEFT JOIN users a ON t.assigned_to = a.id`;
+  const conds = [], params = [];
+
+  if (req.user.role === 'player') { conds.push('t.user_id = ?'); params.push(req.user.id); }
+  else if (req.user.role === 'admin') { conds.push("(t.assigned_to IS NULL OR t.assigned_to = ?) AND t.type != 'suggestion'"); params.push(req.user.id); }
+
+  if (req.query.type) { conds.push('t.type = ?'); params.push(req.query.type); }
+  if (req.query.status) { conds.push('t.status = ?'); params.push(req.query.status); }
+  if (req.query.priority) { conds.push('t.priority = ?'); params.push(req.query.priority); }
+  if (req.query.claimed === '1') conds.push('t.assigned_to IS NOT NULL');
+  if (req.query.claimed === '0') conds.push('t.assigned_to IS NULL');
+  if (req.query.search) { const s = `%${req.query.search}%`; conds.push("(t.title LIKE ? OR t.reporter_game_name LIKE ? OR t.reporter_game_uid LIKE ? OR t.target_game_name LIKE ? OR t.target_game_uid LIKE ?)"); params.push(s,s,s,s,s); }
+
+  if (conds.length) q += ' WHERE ' + conds.join(' AND ');
+  q += ` ORDER BY CASE t.status ${Object.entries(SO).map(([k,v])=>`WHEN '${k}' THEN ${v}`).join(' ')} ELSE 9 END, t.updated_at DESC LIMIT 100`;
+  try { res.json(await query(q, params)); } catch(e) { res.status(500).json({ error: e.message }); }
+});
+
+router.get('/stats', authenticate, async (req, res) => {
+  const role = req.user.role;
+  const sql = role === 'player' ? 'SELECT type, status, COUNT(*) as count FROM tickets WHERE user_id = ? GROUP BY type, status' : 'SELECT type, status, COUNT(*) as count FROM tickets GROUP BY type, status';
+  const params = role === 'player' ? [req.user.id] : [];
+  const rows = await query(sql, params);
+  const bs = {}; let total = 0;
+  for (const r of rows) { bs[r.status] = (bs[r.status]||0) + r.count; total += r.count; }
+  res.json({ total, byStatus: bs });
+});
+
+router.get('/unclaimed', authenticate, requireRole('owner','admin'), async (req, res) => {
+  let q = `SELECT t.*, u.game_name as user_game_name, u.username as submitter, a.game_name as assignee_name
+    FROM tickets t LEFT JOIN users u ON t.user_id = u.id LEFT JOIN users a ON t.assigned_to = a.id WHERE t.assigned_to IS NULL`;
+  const params = [];
+  if (req.user.role === 'admin') { q += " AND t.type != 'suggestion'"; }
+  if (req.query.type) { q += ' AND t.type = ?'; params.push(req.query.type); }
+  q += ` ORDER BY CASE t.status ${Object.entries(SO).map(([k,v])=>`WHEN '${k}' THEN ${v}`).join(' ')} ELSE 9 END, t.created_at ASC LIMIT 200`;
+  res.json(await query(q, params));
+});
+
+router.get('/reported-players', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const rows = await query(`SELECT target_game_name as name, target_game_uid as uid,
+    COUNT(*) as total_reports,
+    SUM(CASE WHEN status IN ('pending','processing','awaiting_info') THEN 1 ELSE 0 END) as active_count,
+    SUM(CASE WHEN status='resolved' THEN 1 ELSE 0 END) as resolved_count,
+    SUM(CASE WHEN status='rejected' THEN 1 ELSE 0 END) as rejected_count,
+    MAX(created_at) as last_report,
+    GROUP_CONCAT(reason SEPARATOR ' | ') as reasons
+    FROM tickets WHERE type='report' AND target_game_name IS NOT NULL AND target_game_name != ''
+    GROUP BY target_game_name, target_game_uid ORDER BY total_reports DESC, last_report DESC`);
+  res.json(rows);
+});
+
+router.get('/tracking', async (req, res) => {
+  const token = req.query.token;
+  if (!token) return res.status(400).json({ error: '缺少追踪标识' });
+  const rows = await query(`SELECT t.*, a.game_name as assignee_name FROM tickets t LEFT JOIN users a ON t.assigned_to = a.id WHERE t.tracking_token = ? ORDER BY t.created_at DESC`, [token]);
+  if (!rows.length) return res.status(404).json({ error: '未找到相关工单' });
+  res.json(rows);
+});
+
+router.get('/:id', authenticate, async (req, res) => {
+  const t = await getRow(`SELECT t.*, u.game_name as user_game_name, u.username as submitter, a.game_name as assignee_name, a.username as assignee_username
+    FROM tickets t LEFT JOIN users u ON t.user_id = u.id LEFT JOIN users a ON t.assigned_to = a.id WHERE t.id = ?`, [req.params.id]);
+  if (!t) return res.status(404).json({ error: '工单不存在' });
+  if (req.user.role === 'player' && t.user_id !== req.user.id) return res.status(403).json({ error: '无权查看' });
+  t.responses = await query(`SELECT r.*, u.username, u.role FROM responses r LEFT JOIN users u ON r.user_id = u.id WHERE r.ticket_id = ? ORDER BY r.created_at ASC`, [req.params.id]);
+  t.attachments = await query('SELECT * FROM attachments WHERE ticket_id = ?', [req.params.id]);
+  t.transfers = await query(`SELECT tf.*, fu.username as from_username, fu.game_name as from_game_name, tu.username as to_username, tu.game_name as to_game_name
+    FROM ticket_transfers tf LEFT JOIN users fu ON tf.from_user_id = fu.id LEFT JOIN users tu ON tf.to_user_id = tu.id WHERE tf.ticket_id = ? ORDER BY tf.created_at ASC`, [req.params.id]);
+  res.json(t);
+});
+
+router.post('/', optionalAuth, upload.array('files', 5), finalizeUpload, validateLengths({
+  title:100, reporter_game_name:50, reporter_game_uid:50, target_game_name:50, target_game_uid:50, reason:300, description:5000,
+}), async (req, res) => {
+  const { type, title, reporter_game_name, reporter_game_uid, target_game_name, target_game_uid, reason, description } = req.body;
+  if (!type || !['report','suggestion','appeal'].includes(type)) return res.status(400).json({ error: '类型不正确' });
+  if (!title) return res.status(400).json({ error: '标题不能为空' });
+  const rgn = req.user?.game_name || reporter_game_name;
+  const rgu = req.user?.game_uid || reporter_game_uid;
+  if (!rgn || !rgu) return res.status(400).json({ error: '请填写游戏名称和UID' });
+  if (type === 'report') { if (!target_game_name && !target_game_uid) return res.status(400).json({ error: '举报需至少填写对方游戏名或UID之一' }); if (!reason) return res.status(400).json({ error: '请填写举报原因' }); }
+  if (type === 'suggestion' && !description) return res.status(400).json({ error: '建议内容不能为空' });
+  if (type === 'appeal') { if (!reason) return res.status(400).json({ error: '请填写申诉理由' }); if (!description) return res.status(400).json({ error: '请填写详细申诉内容' }); }
+
+  const countRow = await getRow("SELECT COUNT(*) as c FROM tickets WHERE (reporter_game_name = ? OR reporter_game_uid = ?) AND status IN ('pending','processing','awaiting_info')", [rgn, rgu]);
+  if (countRow.c >= 5) return res.status(400).json({ error: '您的待处理/处理中工单已达上限(5个)，请等待已有工单处理完毕后再提交' });
+
+  const trackingToken = uuid();
+  const pool = await getPool();
+  const conn = await pool.getConnection();
+  let ticketId;
+  try {
+    await conn.beginTransaction();
+    const [r] = await conn.execute(`INSERT INTO tickets(type,title,user_id,reporter_game_name,reporter_game_uid,
+      target_game_name,target_game_uid,reason,description,tracking_token) VALUES (?,?,?,?,?,?,?,?,?,?)`,
+      [type, title, req.user?.id||null, rgn, rgu,
+        type==='report'?(target_game_name||''):null, type==='report'?(target_game_uid||''):null,
+        (type==='report'||type==='appeal')?reason:null, (type==='suggestion'||type==='appeal')?description:'', trackingToken]);
+    ticketId = r.insertId;
+
+    if (req.files?.length) {
+      for (const f of req.files) {
+        await conn.execute('INSERT INTO attachments(ticket_id, original_name, stored_name, mime_type, size) VALUES (?,?,?,?,?)', [ticketId, f.originalname, f.filename, f.mimetype, f.size]);
+      }
+    }
+
+    const respContent = type === 'report'
+      ? `举报已提交\n举报人: ${rgn} (UID: ${rgu})\n被举报人: ${target_game_name||'无'} (UID: ${target_game_uid||'无'})\n原因: ${reason}${description?'\n详情: '+description:''}`
+      : type === 'appeal'
+      ? `申诉已提交\n申诉人: ${rgn} (UID: ${rgu})\n标题: ${title}\n申诉理由: ${reason}\n详细内容: ${description}`
+      : `建议已提交\n提交人: ${rgn} (UID: ${rgu})\n标题: ${title}\n内容: ${description}`;
+
+    await conn.execute("INSERT INTO responses(ticket_id, user_id, content, is_staff) VALUES (?,?,?,0)", [ticketId, req.user?.id||null, respContent]);
+    await conn.execute("INSERT INTO audit_logs(user_id, username, action, entity_type, entity_id, details) VALUES (?,?,?,?,?,?)",
+      [req.user?.id||null, req.user?.username||rgn, `create_${type}`, 'ticket', ticketId, `提交${TL[type]}: ${title}`]);
+    await conn.commit();
+  } catch (e) { await conn.rollback(); conn.release(); return res.status(500).json({ error: e.message }); }
+  conn.release();
+
+  const emailVars = { reporter_game_name: rgn, reporter_game_uid: rgu, ticket_type: TL[type], ticket_id: ticketId, ticket_title: title, ticket_reason: reason||'', ticket_description: description||'', tracking_link: `${await siteUrl()}#/ticket/${ticketId}`, date: new Date().toLocaleString('zh-CN') };
+  if (req.user?.email) sendEmail(req.user.email, 'ticket_created', emailVars).catch(()=>{});
+  sendWebhook('ticket_created', { ...emailVars, type }).catch(()=>{});
+
+  res.setHeader('Set-Cookie', `tracking_token=${trackingToken}; Path=/; SameSite=Lax; Max-Age=${365*24*3600}`);
+  res.status(201).json({ id: ticketId, tracking_token: trackingToken, message: '提交成功' });
+});
+
+router.put('/:id', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const t = await getRow('SELECT * FROM tickets WHERE id = ?', [req.params.id]);
+  if (!t) return res.status(404).json({ error: '工单不存在' });
+  const fields = {};
+  if (req.body.status) fields.status = req.body.status;
+  if (req.body.priority) fields.priority = req.body.priority;
+  if (req.body.claim_note !== undefined) fields.claim_note = req.body.claim_note;
+  if (!Object.keys(fields).length) return res.status(400).json({ error: '无更新内容' });
+  const sets = Object.keys(fields).map(k => `${k} = ?`).join(', ');
+  await query(`UPDATE tickets SET ${sets} WHERE id = ?`, [...Object.values(fields), req.params.id]);
+
+  if (req.body.status && req.body.status !== t.status) {
+    await query("INSERT INTO responses(ticket_id, user_id, content, is_staff) VALUES (?,?,?,1)", [req.params.id, req.user.id, `状态变更为: ${SL[req.body.status]||req.body.status}`]);
+    await notifyStatusChange(t, req.body.status);
+  }
+  await query("INSERT INTO audit_logs(user_id, username, action, entity_type, entity_id, details) VALUES (?,?,?,?,?,?)", [req.user.id, req.user.username, 'update_ticket', 'ticket', req.params.id, '更新工单']);
+  res.json({ message: '更新成功' });
+});
+
+router.post('/:id/claim', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const t = await getRow('SELECT * FROM tickets WHERE id = ?', [req.params.id]);
+  if (!t) return res.status(404).json({ error: '工单不存在' });
+  if (t.assigned_to && t.assigned_to !== req.user.id && t.status !== 'pending') return res.status(400).json({ error: '该工单已被他人认领' });
+  if (t.type === 'suggestion' && req.user.role !== 'owner') return res.status(403).json({ error: '建议工单仅服主可处理' });
+
+  const claimNote = req.body.claim_note || '';
+  const initialReply = req.body.initial_reply || '';
+  await query("UPDATE tickets SET assigned_to = ?, status = 'processing', claim_note = ?, claimed_at = NOW() WHERE id = ?", [req.user.id, claimNote, req.params.id]);
+
+  const claimMsg = initialReply ? `【接单】${initialReply}${claimNote?'\n\n处理备注: '+claimNote:''}` : `【接单】已认领此工单${claimNote?'\n处理备注: '+claimNote:''}`;
+  await query("INSERT INTO responses(ticket_id, user_id, content, is_staff) VALUES (?,?,?,1)", [req.params.id, req.user.id, claimMsg]);
+  await query("INSERT INTO audit_logs(user_id, username, action, entity_type, entity_id, details) VALUES (?,?,?,?,?,?)", [req.user.id, req.user.username, 'claim_ticket', 'ticket', req.params.id, '认领工单']);
+
+  const user = await getRow('SELECT username, game_name FROM users WHERE id = ?', [req.user.id]);
+  await sendEmailForTicket(t, 'ticket_claimed', { assigned_to: user?.game_name||req.user.username, claim_note: claimNote });
+  sendWebhook('ticket_claimed', { ticket_id: t.id, ticket_title: t.title, assigned_to: user?.game_name||req.user.username, claim_note: claimNote }).catch(()=>{});
+  res.json({ message: '认领成功' });
+});
+
+router.post('/:id/transfer', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const t = await getRow('SELECT * FROM tickets WHERE id = ?', [req.params.id]);
+  if (!t) return res.status(404).json({ error: '工单不存在' });
+  if (t.assigned_to !== req.user.id && req.user.role !== 'owner') return res.status(403).json({ error: '只能转交自己负责的工单' });
+  const { to_user_id, reason } = req.body;
+  if (!to_user_id) return res.status(400).json({ error: '请选择转交目标' });
+
+  const toUser = await getRow("SELECT * FROM users WHERE id = ? AND role IN ('owner','admin')", [to_user_id]);
+  if (!toUser) return res.status(400).json({ error: '目标用户无效' });
+  if (to_user_id === req.user.id) return res.status(400).json({ error: '不能转交给自己' });
+
+  const pool = await getPool();
+  const conn = await pool.getConnection();
+  try {
+    await conn.beginTransaction();
+    await conn.execute('INSERT INTO ticket_transfers(ticket_id, from_user_id, to_user_id, reason) VALUES (?,?,?,?)', [req.params.id, req.user.id, to_user_id, reason||'']);
+    await conn.execute('UPDATE tickets SET assigned_to = ? WHERE id = ?', [to_user_id, req.params.id]);
+    await conn.execute("INSERT INTO responses(ticket_id, user_id, content, is_staff) VALUES (?,?,?,1)", [req.params.id, req.user.id, `【转单】工单已转交给 ${toUser.game_name||toUser.username}${reason?'\n原因: '+reason:''}`]);
+    await conn.execute("INSERT INTO audit_logs(user_id, username, action, entity_type, entity_id, details) VALUES (?,?,?,?,?,?)", [req.user.id, req.user.username, 'transfer_ticket', 'ticket', req.params.id, `转交工单给 ${toUser.username}`]);
+    await conn.commit();
+  } catch (e) { await conn.rollback(); conn.release(); return res.status(500).json({ error: e.message }); }
+  conn.release();
+
+  const fromUser = await getRow('SELECT game_name FROM users WHERE id = ?', [req.user.id]);
+  await sendEmailForTicket(t, 'ticket_transferred', { from_user: fromUser?.game_name||req.user.username, to_user: toUser.game_name||toUser.username, transfer_reason: reason||'', claim_note: t.claim_note||'无' });
+  sendWebhook('ticket_transferred', { ticket_id: t.id, ticket_title: t.title, from_user: fromUser?.game_name, to_user: toUser.game_name, reason: reason||'' }).catch(()=>{});
+  res.json({ message: '转交成功' });
+});
+
+router.post('/:id/response', authenticate, async (req, res) => {
+  const { content } = req.body;
+  if (!content) return res.status(400).json({ error: '内容不能为空' });
+  const t = await getRow('SELECT * FROM tickets WHERE id = ?', [req.params.id]);
+  if (!t) return res.status(404).json({ error: '工单不存在' });
+  if (req.user.role === 'player' && t.user_id !== req.user.id) return res.status(403).json({ error: '无权限' });
+
+  const isStaff = req.user.role === 'owner' || req.user.role === 'admin';
+  await query("INSERT INTO responses(ticket_id, user_id, content, is_staff) VALUES (?,?,?,?)", [req.params.id, req.user.id, content, isStaff?1:0]);
+  await query('UPDATE tickets SET updated_at = NOW() WHERE id = ?', [req.params.id]);
+
+  if (isStaff && t.user_id) {
+    await sendEmailForTicket(t, 'ticket_updated', { update_note: content });
+    sendWebhook('ticket_updated', { ticket_id: t.id, ticket_title: t.title, responder: req.user.username, note: content }).catch(()=>{});
+  }
+  res.status(201).json({ message: '回复成功' });
+});
+
+async function notifyStatusChange(ticket, newStatus) {
+  if (ticket.user_id) {
+    await sendEmailForTicket(ticket, 'ticket_updated', { ticket_status: SL[newStatus]||newStatus, ticket_status_color: SC[newStatus]||'#6b7280' });
+  }
+  sendWebhook('ticket_updated', { ticket_id: ticket.id, ticket_title: ticket.title, new_status: SL[newStatus]||newStatus, type: ticket.type }).catch(()=>{});
+}
+
+async function sendEmailForTicket(ticket, templateCode, extraVars = {}) {
+  const assignee = ticket.assigned_to ? await getRow('SELECT game_name, username FROM users WHERE id = ?', [ticket.assigned_to]) : null;
+  const vars = {
+    ticket_id: ticket.id, ticket_title: ticket.title, ticket_type: TL[ticket.type]||ticket.type,
+    ticket_status: SL[ticket.status]||ticket.status, ticket_status_color: SC[ticket.status]||'#6b7280',
+    reporter_game_name: ticket.reporter_game_name, reporter_game_uid: ticket.reporter_game_uid,
+    target_game_name: ticket.target_game_name||'', target_game_uid: ticket.target_game_uid||'',
+    ticket_reason: ticket.reason||'', ticket_description: ticket.description||'',
+    assigned_to: assignee?.game_name||assignee?.username||'未分配', claim_note: ticket.claim_note||'',
+    tracking_link: `${await siteUrl()}#/ticket/${ticket.id}`, date: new Date().toLocaleString('zh-CN'), ...extraVars,
+  };
+  if (ticket.user_id) {
+    const user = await getRow('SELECT email, username, game_name, game_uid FROM users WHERE id = ?', [ticket.user_id]);
+    if (user?.email) { vars.username = user.username; vars.game_name = user.game_name; vars.game_uid = user.game_uid; sendEmail(user.email, templateCode, vars).catch(()=>{}); }
+  }
+  if (ticket.assigned_to && templateCode !== 'ticket_created') {
+    const a = await getRow('SELECT email FROM users WHERE id = ?', [ticket.assigned_to]);
+    if (a?.email) sendEmail(a.email, templateCode, vars).catch(()=>{});
+  }
+}
+
+module.exports = router;
diff --git a/backend/routes/uploads.js b/backend/routes/uploads.js
new file mode 100644
index 0000000..078f3b0
--- /dev/null
+++ b/backend/routes/uploads.js
@@ -0,0 +1,23 @@
+const express = require('express');
+const path = require('path');
+const fs = require('fs');
+const { getRow } = require('../db');
+const { authenticate } = require('../middleware/auth');
+const { UPLOAD_DIR } = require('../middleware/upload');
+
+const router = express.Router();
+
+router.get('/:storedName', authenticate, async (req, res) => {
+  const att = await getRow('SELECT * FROM attachments WHERE stored_name = ?', [req.params.storedName]);
+  if (!att) return res.status(404).json({ error: '文件不存在' });
+  const ticket = await getRow('SELECT * FROM tickets WHERE id = ?', [att.ticket_id]);
+  if (req.user.role === 'player' && ticket?.user_id !== req.user.id) return res.status(403).json({ error: '无权限' });
+  const filePath = path.join(UPLOAD_DIR, att.stored_name);
+  if (!fs.existsSync(filePath)) return res.status(404).json({ error: '文件不存在' });
+  res.setHeader('Content-Type', att.mime_type);
+  res.setHeader('Content-Disposition', `inline; filename="${encodeURIComponent(att.original_name)}"`);
+  res.setHeader('Cache-Control', 'private, max-age=86400');
+  fs.createReadStream(filePath).pipe(res);
+});
+
+module.exports = router;
diff --git a/backend/routes/users.js b/backend/routes/users.js
new file mode 100644
index 0000000..402e489
--- /dev/null
+++ b/backend/routes/users.js
@@ -0,0 +1,48 @@
+const express = require('express');
+const bcrypt = require('bcryptjs');
+const { query, getRow } = require('../db');
+const { authenticate, requireRole } = require('../middleware/auth');
+
+const router = express.Router();
+
+router.get('/', authenticate, requireRole('owner','admin'), async (req, res) => {
+  res.json(await query('SELECT id, username, email, game_name, game_uid, role, active, email_verified, created_at FROM users ORDER BY created_at DESC'));
+});
+
+router.get('/:id', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const u = await getRow('SELECT id, username, email, game_name, game_uid, role, active, email_verified, created_at FROM users WHERE id = ?', [req.params.id]);
+  if (!u) return res.status(404).json({ error: '用户不存在' });
+  res.json(u);
+});
+
+router.post('/', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const { username, password, email, game_name, game_uid, role } = req.body;
+  if (!username||!password||!email||!game_name||!game_uid||!role) return res.status(400).json({ error: '所有字段必填' });
+  if (!['owner','admin','player'].includes(role)) return res.status(400).json({ error: '无效角色' });
+  if (password.length < 6) return res.status(400).json({ error: '密码至少6位' });
+  if (await getRow('SELECT id FROM users WHERE username = ?', [username])) return res.status(400).json({ error: '用户名已存在' });
+  const hashed = bcrypt.hashSync(password, 10);
+  const r = await query('INSERT INTO users(username, password, email, game_name, game_uid, role, active, email_verified) VALUES (?,?,?,?,?,?,1,1)', [username, hashed, email, game_name, game_uid, role]);
+  await query("INSERT INTO audit_logs(user_id, username, action, entity_type, entity_id, details) VALUES (?,?,?,?,?,?)", [req.user.id, req.user.username, 'create_user', 'user', r.insertId, `创建用户 ${username}`]);
+  res.status(201).json({ id: r.insertId, message: '创建成功' });
+});
+
+router.put('/:id', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const u = await getRow('SELECT * FROM users WHERE id = ?', [req.params.id]);
+  if (!u) return res.status(404).json({ error: '用户不存在' });
+  if (u.role === 'owner' && req.user.role !== 'owner') return res.status(403).json({ error: '无权修改服主' });
+  const fields = {};
+  if (req.body.email) fields.email = req.body.email;
+  if (req.body.game_name) fields.game_name = req.body.game_name;
+  if (req.body.game_uid) fields.game_uid = req.body.game_uid;
+  if (req.body.role) { if (!['owner','admin','player'].includes(req.body.role)) return res.status(400).json({ error: '无效角色' }); fields.role = req.body.role; }
+  if (req.body.active !== undefined) fields.active = req.body.active ? 1 : 0;
+  if (req.body.password) { if (req.body.password.length < 6) return res.status(400).json({ error: '密码至少6位' }); fields.password = bcrypt.hashSync(req.body.password, 10); }
+  if (!Object.keys(fields).length) return res.status(400).json({ error: '无更新内容' });
+  const sets = Object.keys(fields).map(k => `${k} = ?`).join(', ');
+  await query(`UPDATE users SET ${sets} WHERE id = ?`, [...Object.values(fields), req.params.id]);
+  await query("INSERT INTO audit_logs(user_id, username, action, entity_type, entity_id, details) VALUES (?,?,?,?,?,?)", [req.user.id, req.user.username, 'update_user', 'user', req.params.id, '更新用户']);
+  res.json({ message: '更新成功' });
+});
+
+module.exports = router;
diff --git a/backend/server.js b/backend/server.js
new file mode 100644
index 0000000..39c3882
--- /dev/null
+++ b/backend/server.js
@@ -0,0 +1,125 @@
+const express = require('express');
+const cors = require('cors');
+const helmet = require('helmet');
+const fs = require('fs');
+const path = require('path');
+const { isInstalled, getConfig } = require('./db');
+const {
+  sanitizeBody, generalLimiter, loginLimiter, registerLimiter,
+  ticketLimiter, captchaLimiter, apiKeyGuard, methodGuard
+} = require('./middleware/security');
+
+const app = express();
+app.set('trust proxy', 1);
+const PORT = process.env.PORT || 3100;
+const PUBLIC_DIR = path.join(__dirname, '..', 'public');
+const HTML_PATH = path.join(PUBLIC_DIR, 'index.html');
+
+let cachedHtml = null;
+let htmlTimestamp = 0;
+
+function getHtmlWithKey() {
+  const stat = fs.statSync(HTML_PATH);
+  const mtime = stat.mtimeMs;
+  if (cachedHtml && htmlTimestamp >= mtime) return cachedHtml;
+  let html = fs.readFileSync(HTML_PATH, 'utf-8');
+  const cfg = getConfig();
+  const key = cfg?.api_key || '';
+  const redirect = isInstalled() ? '' : '<script>location.hash="#/install"</script>';
+  html = html.replace('</head>', `<script>window.__API_KEY__=${JSON.stringify(key)}</script>${redirect}</head>`);
+  cachedHtml = html;
+  htmlTimestamp = mtime;
+  return html;
+}
+
+app.use(helmet({
+  contentSecurityPolicy: {
+    directives: {
+      defaultSrc: ["'self'"],
+      scriptSrc: ["'self'", "'unsafe-inline'", "https://cdnjs.cloudflare.com"],
+      styleSrc: ["'self'", "'unsafe-inline'", "https://cdnjs.cloudflare.com"],
+      fontSrc: ["'self'", "https://cdnjs.cloudflare.com"],
+      imgSrc: ["'self'", "data:", "blob:"],
+      mediaSrc: ["'self'"],
+      connectSrc: ["'self'"],
+    },
+  },
+  crossOriginEmbedderPolicy: false,
+  crossOriginResourcePolicy: { policy: 'cross-origin' },
+}));
+
+app.use(cors({
+  origin: (origin, cb) => {
+    const allowed = process.env.CORS_ORIGIN;
+    if (!allowed || allowed === '*') return cb(null, true);
+    if (allowed === origin) return cb(null, true);
+    if (!allowed) {
+      const host = origin || '';
+      if (host.startsWith('http://localhost:') || host.startsWith('https://localhost:')) return cb(null, true);
+    }
+    cb(new Error('Not allowed by CORS'));
+  },
+  credentials: true,
+  methods: ['GET','POST','PUT','DELETE'],
+  allowedHeaders: ['Content-Type','Authorization','x-api-key'],
+}));
+app.disable('x-powered-by');
+app.use(express.json({ limit: '1mb' }));
+app.use(express.urlencoded({ extended: true, limit: '1mb' }));
+app.use(sanitizeBody);
+app.use(generalLimiter);
+app.use('/api', apiKeyGuard);
+
+const staticOpts = { maxAge: '1h', setHeaders: (res, p) => { if (p.endsWith('.html')) res.setHeader('Cache-Control', 'no-cache'); } };
+app.use('/css', express.static(path.join(PUBLIC_DIR, 'css'), staticOpts));
+app.use('/js', express.static(path.join(PUBLIC_DIR, 'js'), staticOpts));
+
+const installRoutes = require('./routes/install');
+app.use('/api/install', installRoutes);
+
+if (isInstalled()) {
+  const authRoutes = require('./routes/auth');
+  app.use('/api/auth/login', methodGuard(['POST']), loginLimiter);
+  app.use('/api/auth/register', methodGuard(['POST']), registerLimiter);
+  app.use('/api/auth', authRoutes);
+
+  app.use('/api/captcha', methodGuard(['GET']), captchaLimiter, require('./routes/captcha'));
+
+  app.use('/api/tickets', methodGuard(['GET','POST','PUT']), ticketLimiter, require('./routes/tickets'));
+  app.use('/api/reports', methodGuard(['GET','POST','PUT']), ticketLimiter, require('./routes/tickets'));
+
+  app.use('/api/users', methodGuard(['GET','POST','PUT']), generalLimiter, require('./routes/users'));
+  app.use('/api/settings', methodGuard(['GET','PUT']), generalLimiter, require('./routes/settings'));
+  app.use('/api/export', methodGuard(['GET']), generalLimiter, require('./routes/export'));
+  app.use('/api/uploads', methodGuard(['GET']), generalLimiter, require('./routes/uploads'));
+  app.use('/api/notifications', methodGuard(['GET','POST','PUT','DELETE']), generalLimiter, require('./routes/notifications'));
+
+  app.get('/api/verify', (req, res) => res.redirect(`/#/verify?token=${req.query.token}`));
+}
+
+app.get('/api/health', (req, res) => res.json({ status: 'ok', installed: isInstalled() }));
+
+app.get('/', (req, res) => {
+  res.setHeader('Cache-Control', 'no-cache');
+  res.type('html').send(getHtmlWithKey());
+});
+
+app.get('*', (req, res) => {
+  if (req.path.startsWith('/api')) return res.status(404).json({ error: '接口不存在' });
+  res.setHeader('Cache-Control', 'no-cache');
+  res.type('html').send(getHtmlWithKey());
+});
+
+app.use((err, req, res, next) => {
+  if (err.message === 'SYSTEM_NOT_INSTALLED') return res.status(503).json({ error: '系统未安装' });
+  if (err.code === 'LIMIT_FILE_SIZE') return res.status(400).json({ error: '文件大小超过限制(50MB)' });
+  if (err.message?.includes('不支持的文件类型')) return res.status(400).json({ error: err.message });
+  if (err.message?.includes('文件内容与声明类型不符')) return res.status(400).json({ error: '文件类型校验失败' });
+  console.error(err);
+  res.status(500).json({ error: '服务器内部错误' });
+});
+
+if (isInstalled()) console.log(`Server running at http://localhost:${PORT}`);
+else console.log(`System not installed. Visit http://localhost:${PORT}/#/install`);
+
+app.listen(PORT);
diff --git a/backend/webhook.js b/backend/webhook.js
new file mode 100644
index 0000000..e4db5f9
--- /dev/null
+++ b/backend/webhook.js
@@ -0,0 +1,29 @@
+const { query, getRow } = require('./db');
+
+const EVENT_LABELS = { ticket_created:'工单创建', ticket_claimed:'工单认领', ticket_transferred:'工单转交', ticket_updated:'工单更新' };
+
+async function sendWebhook(event, data) {
+  try {
+    const configs = await query("SELECT * FROM notification_configs WHERE type = 'webhook' AND active = 1");
+    for (const cfg of configs) {
+      const events = cfg.events || 'all';
+      if (events !== 'all' && !events.split(',').map(s=>s.trim()).includes(event)) continue;
+      const embed = buildEmbed(event, data);
+      try { await fetch(cfg.webhook_url, { method:'POST', headers:{'Content-Type':'application/json'}, body:JSON.stringify(embed) }); } catch {}
+    }
+  } catch {}
+}
+
+function buildEmbed(event, data) {
+  const row = data._siteName ? { v: data._siteName } : null;
+  const siteName = row?.v || 'MC举报系统';
+  const colors = { ticket_created:0x4f46e5, ticket_claimed:0x10b981, ticket_transferred:0xf59e0b, ticket_updated:0x3b82f6 };
+  const embed = { username: siteName, embeds:[{ title:EVENT_LABELS[event]||event, color:colors[event]||0x4f46e5, timestamp:new Date().toISOString(), fields:[] }] };
+  if (event==='ticket_created') { embed.embeds[0].description=`**#${data.ticket_id}** - ${data.ticket_title||''}`; embed.embeds[0].fields.push({name:'类型',value:data.ticket_type||data.type||'?',inline:true},{name:'提交者',value:`${data.reporter_game_name||'?'} (UID:${data.reporter_game_uid||'?'})`,inline:true}); }
+  else if (event==='ticket_claimed') { embed.embeds[0].description=`**#${data.ticket_id}** - ${data.ticket_title}`; embed.embeds[0].fields.push({name:'认领人',value:data.assigned_to||'?',inline:true}); }
+  else if (event==='ticket_transferred') { embed.embeds[0].description=`**#${data.ticket_id}** - ${data.ticket_title}`; embed.embeds[0].fields.push({name:'转出',value:data.from_user||'?',inline:true},{name:'转入',value:data.to_user||'?',inline:true}); }
+  else if (event==='ticket_updated') { embed.embeds[0].description=`**#${data.ticket_id}** - ${data.ticket_title}`; if(data.new_status)embed.embeds[0].fields.push({name:'新状态',value:data.new_status,inline:true}); }
+  return embed;
+}
+
+module.exports = { sendWebhook };
diff --git a/nginx.inc b/nginx.inc
new file mode 100644
index 0000000..d02f845
--- /dev/null
+++ b/nginx.inc
@@ -0,0 +1,3 @@
+client_max_body_size 55m;
+proxy_set_header X-Real-IP $remote_addr;
+proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
diff --git a/opencode.json b/opencode.json
new file mode 100644
index 0000000..6376bc7
--- /dev/null
+++ b/opencode.json
@@ -0,0 +1,4 @@
+{
+  "$schema": "https://opencode.ai/config.json",
+  "instructions": ["AGENTS.md"]
+}
diff --git a/opencode.txt b/opencode.txt
new file mode 100644
index 0000000..221f280
--- /dev/null
+++ b/opencode.txt
@@ -0,0 +1 @@
+ses_0b2c2409dffegYwIl1HBMSlSLL
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..9c74b8b
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,1383 @@
+{
+  "name": "game-complaint-system",
+  "version": "3.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "game-complaint-system",
+      "version": "3.0.0",
+      "dependencies": {
+        "bcryptjs": "^2.4.3",
+        "cors": "^2.8.5",
+        "express": "^4.18.2",
+        "express-rate-limit": "^7.3.1",
+        "express-validator": "^7.0.1",
+        "helmet": "^7.1.0",
+        "jsonwebtoken": "^9.0.2",
+        "multer": "^1.4.5-lts.1",
+        "mysql2": "^3.11.0",
+        "nodemailer": "^6.9.8",
+        "uuid": "^9.0.0",
+        "xss": "^1.0.15"
+      }
+    },
+    "node_modules/@types/node": {
+      "version": "26.1.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.1.tgz",
+      "integrity": "sha512-nxAkRSVkN1Y0JC1W8ky/fTfkGsMmcrRsbx+3XoZE+rMOX71kLYTV7fLXpqud1GpbpP5TuffXFqfX7fH2GgZREw==",
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "undici-types": "~8.3.0"
+      }
+    },
+    "node_modules/accepts": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
+      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+      "license": "MIT",
+      "dependencies": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/append-field": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/append-field/-/append-field-1.0.0.tgz",
+      "integrity": "sha512-klpgFSWLW1ZEs8svjfb7g4qWY0YS5imI82dTg+QahUvJ8YqAY0P10Uk8tTyh9ZGuYEZEMaeJYCF5BFuX552hsw==",
+      "license": "MIT"
+    },
+    "node_modules/array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg==",
+      "license": "MIT"
+    },
+    "node_modules/aws-ssl-profiles": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/aws-ssl-profiles/-/aws-ssl-profiles-1.1.2.tgz",
+      "integrity": "sha512-NZKeq9AfyQvEeNlN0zSYAaWrmBffJh3IELMZfRpJVWgrpEbtEpnjvzqBPf+mxoI287JohRDoa+/nsfqqiZmF6g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 6.0.0"
+      }
+    },
+    "node_modules/bcryptjs": {
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/bcryptjs/-/bcryptjs-2.4.3.tgz",
+      "integrity": "sha512-V/Hy/X9Vt7f3BbPJEi8BdVFMByHi+jNXrYkW3huaybV/kQ0KJg0Y6PkEMbn+zeT+i+SiKZ/HMqJGIIt4LZDqNQ==",
+      "license": "MIT"
+    },
+    "node_modules/body-parser": {
+      "version": "1.20.6",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.6.tgz",
+      "integrity": "sha512-p5tAzS57i5MV9fZFDj9LeIiTZEufbSe2eDozP+ElheSUq1m74CRq1jI4mYNDdVs9vQztXFLuk/Gd6BWTdwRJ5g==",
+      "license": "MIT",
+      "dependencies": {
+        "bytes": "~3.1.2",
+        "content-type": "~1.0.5",
+        "debug": "2.6.9",
+        "depd": "2.0.0",
+        "destroy": "~1.2.0",
+        "http-errors": "~2.0.1",
+        "iconv-lite": "~0.4.24",
+        "on-finished": "~2.4.1",
+        "qs": "~6.15.1",
+        "raw-body": "~2.5.3",
+        "type-is": "~1.6.18",
+        "unpipe": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8",
+        "npm": "1.2.8000 || >= 1.4.16"
+      }
+    },
+    "node_modules/buffer-equal-constant-time": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
+      "integrity": "sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/buffer-from": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
+      "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==",
+      "license": "MIT"
+    },
+    "node_modules/busboy": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/busboy/-/busboy-1.6.0.tgz",
+      "integrity": "sha512-8SFQbg/0hQ9xy3UNTB0YEnsNBbWfhf7RtnzpL7TkBiTBRfrQ9Fxcnz7VJsleJpyp6rVLvXiuORqjlHi5q+PYuA==",
+      "dependencies": {
+        "streamsearch": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=10.16.0"
+      }
+    },
+    "node_modules/bytes": {
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/call-bind-apply-helpers": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "function-bind": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/call-bound": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/call-bound/-/call-bound-1.0.4.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.2",
+        "get-intrinsic": "^1.3.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/commander": {
+      "version": "2.20.3",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
+      "license": "MIT"
+    },
+    "node_modules/concat-stream": {
+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
+      "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
+      "engines": [
+        "node >= 0.8"
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "buffer-from": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^2.2.2",
+        "typedarray": "^0.0.6"
+      }
+    },
+    "node_modules/concat-stream/node_modules/readable-stream": {
+      "version": "2.3.8",
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+      "license": "MIT",
+      "dependencies": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~2.0.0",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.1.1",
+        "util-deprecate": "~1.0.1"
+      }
+    },
+    "node_modules/concat-stream/node_modules/safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+      "license": "MIT"
+    },
+    "node_modules/concat-stream/node_modules/string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "license": "MIT",
+      "dependencies": {
+        "safe-buffer": "~5.1.0"
+      }
+    },
+    "node_modules/content-disposition": {
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diff --git a/package.json b/package.json
new file mode 100644
index 0000000..d3c6ab7
--- /dev/null
+++ b/package.json
@@ -0,0 +1,23 @@
+{
+  "name": "game-complaint-system",
+  "version": "3.0.0",
+  "description": "Game Player Reporting & Suggestion System",
+  "main": "backend/server.js",
+  "scripts": {
+    "start": "node backend/server.js"
+  },
+  "dependencies": {
+    "mysql2": "^3.11.0",
+    "bcryptjs": "^2.4.3",
+    "jsonwebtoken": "^9.0.2",
+    "express": "^4.18.2",
+    "cors": "^2.8.5",
+    "express-validator": "^7.0.1",
+    "multer": "^1.4.5-lts.1",
+    "nodemailer": "^6.9.8",
+    "uuid": "^9.0.0",
+    "helmet": "^7.1.0",
+    "express-rate-limit": "^7.3.1",
+    "xss": "^1.0.15"
+  }
+}
diff --git a/public/css/style.css b/public/css/style.css
new file mode 100644
index 0000000..e9d78da
--- /dev/null
+++ b/public/css/style.css
@@ -0,0 +1,159 @@
+:root {
+  --p: #4f46e5; --ph: #4338ca; --pl: #eef2ff;
+  --s: #10b981; --w: #f59e0b; --d: #ef4444; --i: #3b82f6;
+  --g50: #f9fafb; --g100: #f3f4f6; --g200: #e5e7eb; --g300: #d1d5db;
+  --g400: #9ca3af; --g500: #6b7280; --g600: #4b5563; --g700: #374151;
+  --g800: #1f2937; --g900: #111827;
+  --sw: 240px; --r: 8px; --sh: 0 1px 3px rgba(0,0,0,.1);
+}
+*{margin:0;padding:0;box-sizing:border-box}
+body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Noto Sans SC',sans-serif;background:var(--g50);color:var(--g800);line-height:1.6;min-height:100vh}
+.hidden{display:none!important}
+#app{min-height:100vh}
+
+#public-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e1b4b 0%,#312e81 40%,#4c1d95 100%);padding:20px}
+.pub-card{background:white;border-radius:16px;padding:36px 32px;width:440px;max-width:90vw;box-shadow:0 20px 60px rgba(0,0,0,.35)}
+.pub-card .logo{text-align:center;margin-bottom:28px}
+.pub-card .logo i{font-size:44px;color:var(--p)}
+.pub-card .logo h2{margin-top:10px;font-size:20px;color:var(--g800)}
+.pub-card .logo p{color:var(--g500);font-size:13px;margin-top:2px}
+.pub-card.wide{width:620px}
+
+.form-group{margin-bottom:14px}
+.form-group label{display:block;font-size:13px;font-weight:600;color:var(--g700);margin-bottom:4px}
+.form-group input,.form-group select,.form-group textarea{width:100%;padding:9px 12px;border:1px solid var(--g300);border-radius:var(--r);font-size:14px;transition:.2s;background:white;color:var(--g800)}
+.form-group textarea{min-height:80px;resize:vertical}
+.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--p);box-shadow:0 0 0 3px rgba(79,70,229,.1)}
+.form-group .help{font-size:11px;color:var(--g400);margin-top:2px}
+
+.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border:none;border-radius:var(--r);font-size:14px;font-weight:500;cursor:pointer;transition:.2s;white-space:nowrap;text-decoration:none}
+.btn:disabled{opacity:.5;cursor:not-allowed}
+.btn-p{background:var(--p);color:white}
+.btn-p:hover:not(:disabled){background:var(--ph)}
+.btn-s{background:var(--s);color:white}.btn-s:hover:not(:disabled){background:#059669}
+.btn-w{background:var(--w);color:white}.btn-w:hover:not(:disabled){background:#d97706}
+.btn-d{background:var(--d);color:white}.btn-d:hover:not(:disabled){background:#dc2626}
+.btn-i{background:var(--i);color:white}.btn-i:hover:not(:disabled){background:#2563eb}
+.btn-o{background:transparent;border:1px solid var(--g300);color:var(--g700)}
+.btn-o:hover:not(:disabled){background:var(--g100)}
+.btn-sm{padding:5px 10px;font-size:12px}.btn-lg{padding:11px 22px;font-size:15px}
+.w-full{width:100%;justify-content:center}
+
+#main-layout{display:flex;min-height:100vh}
+#sidebar{width:var(--sw);background:var(--g900);color:white;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}
+.sidebar-header{padding:14px 18px;font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--g700)}
+.sidebar-header i{font-size:22px;color:var(--p)}
+#sidebar-nav{flex:1;padding:8px 0;overflow-y:auto}
+.nav-item{display:flex;align-items:center;gap:10px;padding:10px 18px;color:var(--g400);cursor:pointer;transition:.2s;font-size:13px;border-left:3px solid transparent}
+.nav-item:hover{color:white;background:rgba(255,255,255,.05)}
+.nav-item.active{color:white;background:rgba(79,70,229,.15);border-left-color:var(--p)}
+.nav-item i{width:18px;text-align:center}
+.sidebar-footer{padding:12px 14px;border-top:1px solid var(--g700)}
+.user-info{display:flex;align-items:center;gap:8px;padding:6px 4px;margin-bottom:8px}
+.user-info .av{width:32px;height:32px;border-radius:50%;background:var(--p);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;flex-shrink:0}
+.user-info .dt{flex:1;min-width:0}
+.user-info .dt .nm{font-size:13px;font-weight:600;color:white}
+.user-info .dt .rl{font-size:11px;color:var(--g400)}
+
+#main-content{flex:1;margin-left:var(--sw)}
+#page-header{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;background:white;border-bottom:1px solid var(--g200);position:sticky;top:0;z-index:50}
+#page-title{font-size:18px;font-weight:700}
+#page-actions{display:flex;gap:8px;align-items:center}
+#page-content{padding:20px 22px}
+
+.card{background:white;border-radius:var(--r);box-shadow:var(--sh);margin-bottom:16px}
+.card-h{padding:12px 18px;border-bottom:1px solid var(--g200);font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:space-between}
+.card-b{padding:16px 18px}
+.card-f{padding:10px 18px;border-top:1px solid var(--g200);font-size:12px;color:var(--g500)}
+
+.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:20px}
+.stat-card{background:white;border-radius:var(--r);padding:18px;box-shadow:var(--sh);display:flex;align-items:center;gap:14px}
+.stat-card .si{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
+.stat-card .sv{font-size:26px;font-weight:700;line-height:1.2}
+.stat-card .sl{font-size:12px;color:var(--g500)}
+
+.table-wrap{overflow-x:auto}
+table{width:100%;border-collapse:collapse;font-size:13px}
+thead th{background:var(--g50);padding:9px 12px;text-align:left;font-weight:600;font-size:11px;text-transform:uppercase;color:var(--g500);border-bottom:2px solid var(--g200);white-space:nowrap}
+tbody td{padding:9px 12px;border-bottom:1px solid var(--g100);vertical-align:middle}
+tbody tr:hover{background:var(--g50)}
+
+.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:600;white-space:nowrap}
+.bg-pending{background:#fef3c7;color:#92400e}.bg-processing{background:#ede9fe;color:#5b21b6}
+.bg-resolved{background:#d1fae5;color:#065f46}.bg-rejected{background:#fee2e2;color:#991b1b}
+.bg-closed{background:var(--g200);color:var(--g700)}.bg-report{background:#fce7f3;color:#9d174d}
+.bg-suggestion{background:#dbeafe;color:#1e40af}.bg-low{background:#d1fae5;color:#065f46}
+.bg-medium{background:#fef3c7;color:#92400e}.bg-high{background:#fee2e2;color:#991b1b}
+.bg-urgent{background:#fecaca;color:#7f1d1d}
+.bg-owner{background:#ef4444;color:white}.bg-admin{background:#3b82f6;color:white}
+.bg-player{background:var(--g300);color:var(--g700)}
+
+.filter-bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
+.filter-bar select,.filter-bar input{padding:7px 10px;border:1px solid var(--g300);border-radius:var(--r);font-size:13px;background:white}
+.filter-bar input{min-width:180px}
+
+#modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}
+.modal-box{background:white;border-radius:12px;width:600px;max-width:100%;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 8px 30px rgba(0,0,0,.2)}
+.modal-h{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--g200)}
+.modal-h h3{font-size:15px;font-weight:600}
+.modal-h button{background:none;border:none;font-size:22px;cursor:pointer;color:var(--g500);line-height:1}
+.modal-h button:hover{color:var(--g800)}
+.modal-b{padding:18px;overflow-y:auto;flex:1}
+.modal-f{display:flex;gap:8px;justify-content:flex-end;padding:12px 18px;border-top:1px solid var(--g200)}
+
+.detail-grid{display:grid;grid-template-columns:2fr 1fr;gap:18px}
+.detail-section{margin-bottom:18px}
+.detail-section h4{font-size:13px;font-weight:600;color:var(--g700);margin-bottom:8px;padding-bottom:6px;border-bottom:1px solid var(--g200)}
+.detail-row{display:flex;padding:5px 0;font-size:13px}
+.detail-row .lbl{width:90px;color:var(--g500);flex-shrink:0}
+.detail-row .val{flex:1}
+
+.timeline{position:relative;padding-left:22px}
+.timeline::before{content:'';position:absolute;left:7px;top:0;bottom:0;width:2px;background:var(--g200)}
+.timeline-item{position:relative;margin-bottom:14px}
+.timeline-item::before{content:'';position:absolute;left:-19px;top:18px;width:10px;height:10px;border-radius:50%;background:var(--p);border:2px solid white;box-shadow:var(--sh)}
+.timeline-item .th{display:flex;align-items:center;gap:6px;margin-bottom:2px;font-size:11px;color:var(--g500)}
+.timeline-item .th .tn{font-weight:600;color:var(--g700)}
+.timeline-item .tc{background:var(--g50);padding:9px 12px;border-radius:var(--r);font-size:13px;line-height:1.6;white-space:pre-wrap}
+.timeline-item.staff .tc{background:var(--pl)}
+
+.empty{text-align:center;padding:50px 20px;color:var(--g500)}
+.empty i{font-size:40px;margin-bottom:10px;color:var(--g300)}
+
+.alert{padding:10px 14px;border-radius:var(--r);font-size:13px;margin-bottom:12px}
+.alert-s{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}
+.alert-e{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
+.alert-i{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}
+
+.loading{text-align:center;padding:40px;color:var(--g500)}
+.loading i{font-size:28px;animation:spin 1s linear infinite}
+@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
+
+.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
+.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
+.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}
+.flex{display:flex}.g2{gap:8px}.g4{gap:16px}.aic{align-items:center}.jcb{justify-content:space-between}
+.ts{font-size:12px}.tm{color:var(--g500)}.fb{font-weight:700}.tc{text-align:center}.tr{text-align:right}
+
+.file-upload{border:2px dashed var(--g300);border-radius:var(--r);padding:24px;text-align:center;cursor:pointer;transition:.2s}
+.file-upload:hover{border-color:var(--p);background:var(--pl)}
+.file-upload i{font-size:28px;color:var(--g400);margin-bottom:6px}
+.file-upload p{font-size:13px;color:var(--g500)}
+.file-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
+.file-item{display:flex;align-items:center;gap:6px;background:var(--g100);padding:4px 10px;border-radius:var(--r);font-size:12px}
+.file-item button{background:none;border:none;color:var(--d);cursor:pointer;font-size:14px}
+
+.tab-nav{display:flex;gap:0;border-bottom:1px solid var(--g200);margin-bottom:14px}
+.tab-nav button{padding:8px 18px;border:none;background:none;font-size:13px;font-weight:500;color:var(--g500);cursor:pointer;border-bottom:2px solid transparent;transition:.2s}
+.tab-nav button:hover{color:var(--g700)}
+.tab-nav button.active{color:var(--p);border-bottom-color:var(--p)}
+
+@media(max-width:768px){
+  #sidebar{width:60px;overflow:hidden}
+  #sidebar .sidebar-header span,#sidebar .nav-item span,#sidebar .user-info .dt{display:none}
+  .sidebar-header{padding:14px 12px;justify-content:center}
+  .nav-item{padding:10px 12px;justify-content:center}
+  #main-content{margin-left:60px}
+  .detail-grid{grid-template-columns:1fr}
+  .grid-2,.grid-3{grid-template-columns:1fr}
+}
diff --git a/public/index.html b/public/index.html
new file mode 100644
index 0000000..8ab513f
--- /dev/null
+++ b/public/index.html
@@ -0,0 +1,55 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>MC举报系统</title>
+  <link rel="stylesheet" href="css/style.css">
+  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css">
+</head>
+<body>
+  <div id="app">
+    <div id="public-page" class="page hidden"></div>
+    <div id="main-layout" class="hidden">
+      <aside id="sidebar">
+        <div class="sidebar-header"><i class="fas fa-shield-halved"></i><span>举报系统</span></div>
+        <nav id="sidebar-nav"></nav>
+        <div class="sidebar-footer">
+          <div id="user-info"></div>
+          <button class="btn btn-sm btn-outline w-full" onclick="App.logout()"><i class="fas fa-sign-out-alt"></i> 退出</button>
+        </div>
+      </aside>
+      <main id="main-content">
+        <header id="page-header"><h1 id="page-title"></h1><div id="page-actions"></div></header>
+        <div id="page-alert"></div>
+        <div id="page-content"></div>
+      </main>
+    </div>
+  </div>
+
+  <div id="modal-overlay" class="hidden">
+    <div class="modal-box">
+      <div class="modal-h"><h3 id="modal-title"></h3><button onclick="App.closeModal()">&times;</button></div>
+      <div class="modal-b" id="modal-body"></div>
+    </div>
+  </div>
+
+  <script src="js/utils.js"></script>
+  <script src="js/api.js"></script>
+  <script src="js/auth.js"></script>
+  <script src="js/pages/install.js"></script>
+  <script src="js/pages/login.js"></script>
+  <script src="js/pages/register.js"></script>
+  <script src="js/pages/home.js"></script>
+  <script src="js/pages/dashboard.js"></script>
+  <script src="js/pages/tickets.js"></script>
+  <script src="js/pages/ticket-create.js"></script>
+  <script src="js/pages/ticket-detail.js"></script>
+  <script src="js/pages/tracking.js"></script>
+  <script src="js/pages/users.js"></script>
+  <script src="js/pages/templates.js"></script>
+  <script src="js/pages/settings-page.js"></script>
+  <script src="js/pages/export-page.js"></script>
+  <script src="js/app.js"></script>
+</body>
+</html>
diff --git a/public/js/api.js b/public/js/api.js
new file mode 100644
index 0000000..05b6138
--- /dev/null
+++ b/public/js/api.js
@@ -0,0 +1,45 @@
+const API = {
+  base: '/api',
+  _key: window.__API_KEY__ || '',
+
+  async req(method, path, data) {
+    const token = Auth.token();
+    const headers = {};
+    if (token) headers['Authorization'] = `Bearer ${token}`;
+    if (this._key) headers['x-api-key'] = this._key;
+    const opts = { method, headers };
+    if (data instanceof FormData) opts.body = data;
+    else if (data && method !== 'GET') { headers['Content-Type'] = 'application/json'; opts.body = JSON.stringify(data); }
+    opts.headers = headers;
+    const res = await fetch(this.base + path, opts);
+    const ct = res.headers.get('content-type');
+    if (ct && ct.includes('application/json')) {
+      const json = await res.json();
+      if (!res.ok) throw new Error(json.error || '请求失败');
+      return json;
+    }
+    if (!res.ok) throw new Error('请求失败');
+    return res;
+  },
+
+  get(p) { return this.req('GET', p); },
+  post(p, d) { return this.req('POST', p, d); },
+  put(p, d) { return this.req('PUT', p, d); },
+
+  async download(path) {
+    const token = Auth.token();
+    const h = {};
+    if (token) h['Authorization'] = `Bearer ${token}`;
+    if (this._key) h['x-api-key'] = this._key;
+    const res = await fetch(this.base + path, { headers: h });
+    if (!res.ok) throw new Error('下载失败');
+    const blob = await res.blob();
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    const disp = res.headers.get('content-disposition');
+    a.download = disp?.match(/filename=(.+)/)?.[1] || 'export.csv';
+    a.click();
+    URL.revokeObjectURL(url);
+  }
+};
diff --git a/public/js/app.js b/public/js/app.js
new file mode 100644
index 0000000..e6d695d
--- /dev/null
+++ b/public/js/app.js
@@ -0,0 +1,106 @@
+const App = {
+  navItems: [
+    { id: 'dashboard', label: '控制台', icon: 'fa-chart-simple', roles: ['owner','admin','player'] },
+    { id: 'unclaimed', label: '待处理工单', icon: 'fa-inbox', roles: ['owner','admin'] },
+    { id: 'tickets', label: '工单列表', icon: 'fa-ticket-alt', roles: ['owner','admin','player'] },
+    { id: 'tracking', label: '追踪工单', icon: 'fa-search', roles: ['owner','admin','player'] },
+    { id: 'users', label: '用户管理', icon: 'fa-users', roles: ['owner','admin'] },
+    { id: 'notifications', label: '通知配置', icon: 'fa-bell', roles: ['owner','admin'] },
+    { id: 'templates', label: '邮件模板', icon: 'fa-envelope', roles: ['owner','admin'] },
+    { id: 'settings', label: '系统设置', icon: 'fa-cog', roles: ['owner','admin'] },
+    { id: 'export', label: '数据导出', icon: 'fa-download', roles: ['owner'] },
+  ],
+
+  init() {
+    window.addEventListener('hashchange', () => this.route());
+    this.route();
+  },
+
+  afterLogin() { location.hash = '#/dashboard'; },
+  logout() { Auth.logout(); },
+  closeModal() { document.getElementById('modal-overlay').classList.add('hidden'); },
+  navigate(page, param) { location.hash = `#/${page}` + (param ? `/${param}` : ''); },
+
+  async route() {
+    const hash = location.hash || '#/home';
+    const parts = hash.replace('#/', '').split('/');
+    const page = parts[0];
+    const param = parts.slice(1).join('/');
+
+    if (page !== 'install') {
+      try {
+        const s = await API.get('/install/status');
+        if (!s.installed) { location.hash = '#/install'; return; }
+      } catch { location.hash = '#/install'; return; }
+    }
+
+    if (page === 'verify') {
+      const params = new URLSearchParams((location.hash.split('?')[1] || ''));
+      const token = params.get('token');
+      if (token) {
+        API.get(`/auth/verify-email?token=${token}`).then(r => { alert(r.message || '验证成功'); location.hash = '#/login'; }).catch(e => { alert(e.message); location.hash = '#/home'; });
+      }
+      return;
+    }
+
+    if (page === 'install') { this.showPublic('install'); return; }
+    if (page === 'home' || page === 'login' || page === 'register') { this.showPublic(page); return; }
+    if (!Auth.logged()) { location.hash = '#/login'; return; }
+
+    this.showLayout();
+    this.renderSidebar(page);
+
+    switch (page) {
+      case 'dashboard': this.renderMain('控制台', Dashboard, param); break;
+      case 'unclaimed': this.renderMain('待处理工单', UnclaimedPage, param); break;
+      case 'tickets':
+        if (param === 'create') {
+          const q = new URLSearchParams((location.hash.split('?')[1] || ''));
+          document.getElementById('page-title').textContent = '创建工单';
+          document.getElementById('page-actions').innerHTML = '<button class="btn btn-o btn-sm" onclick="App.navigate(\'tickets\')"><i class="fas fa-arrow-left"></i> 返回</button>';
+          TicketCreate.render(document.getElementById('page-content'), { type: q.get('type') || 'report', prefill: { game_name: Auth.user()?.game_name, game_uid: Auth.user()?.game_uid }, backLink: "App.navigate('tickets')" });
+        } else this.renderMain('工单列表', TicketsPage, param);
+        break;
+      case 'ticket': this.renderMain('工单详情', TicketDetail, param); break;
+      case 'tracking': this.renderMain('追踪工单', TrackingPage, param); break;
+      case 'users': this.renderMain('用户管理', UsersPage, param); break;
+      case 'notifications': this.renderMain('通知配置', NotificationsPage, param); break;
+      case 'templates': this.renderMain('邮件模板', TemplatesPage, param); break;
+      case 'settings': this.renderMain('系统设置', SettingsPage, param); break;
+      case 'export': this.renderMain('数据导出', ExportPage, param); break;
+      default: this.renderMain('控制台', Dashboard, param);
+    }
+  },
+
+  showPublic(page) {
+    document.getElementById('main-layout').classList.add('hidden');
+    const pub = document.getElementById('public-page');
+    pub.classList.remove('hidden');
+    const comp = page === 'login' ? LoginPage : page === 'register' ? RegisterPage : page === 'install' ? InstallPage : HomePage;
+    comp.render().then(html => { pub.innerHTML = html; if (comp.mount) comp.mount(); });
+  },
+
+  showLayout() {
+    document.getElementById('public-page').classList.add('hidden');
+    document.getElementById('main-layout').classList.remove('hidden');
+    const u = Auth.user();
+    document.getElementById('user-info').innerHTML = `<div class="av">${(u.game_name||u.username).charAt(0).toUpperCase()}</div><div class="dt"><div class="nm">${u.game_name||u.username}</div><div class="rl">${U.ROLE[u.role]}</div></div>`;
+  },
+
+  renderSidebar(current) {
+    const u = Auth.user();
+    document.getElementById('sidebar-nav').innerHTML = this.navItems
+      .filter(i => i.roles.includes(u.role))
+      .map(i => `<div class="nav-item ${current===i.id?'active':''}" onclick="App.navigate('${i.id}')"><i class="fas ${i.icon}"></i><span>${i.label}</span></div>`).join('');
+  },
+
+  async renderMain(title, page, param) {
+    document.getElementById('page-title').textContent = title;
+    document.getElementById('page-actions').innerHTML = '';
+    const ct = document.getElementById('page-content');
+    ct.innerHTML = await page.render(param);
+    if (page.mount) await page.mount(param);
+  }
+};
+
+document.addEventListener('DOMContentLoaded', () => App.init());
diff --git a/public/js/auth.js b/public/js/auth.js
new file mode 100644
index 0000000..0d3142e
--- /dev/null
+++ b/public/js/auth.js
@@ -0,0 +1,30 @@
+const Auth = {
+  TK: 'mc_token',
+  US: 'mc_user',
+
+  token() { return localStorage.getItem(this.TK); },
+  user() { try { return JSON.parse(localStorage.getItem(this.US)); } catch { return null; } },
+  logged() { return !!this.token(); },
+
+  async login(username, password) {
+    const d = await API.post('/auth/login', { username, password });
+    localStorage.setItem(this.TK, d.token);
+    localStorage.setItem(this.US, JSON.stringify(d.user));
+    return d.user;
+  },
+
+  async register(data) {
+    return API.post('/auth/register', data);
+  },
+
+  logout() {
+    localStorage.removeItem(this.TK);
+    localStorage.removeItem(this.US);
+    location.hash = '#/login';
+  },
+
+  role(...r) { const u = this.user(); return u && r.includes(u.role); },
+  isStaff() { return this.role('owner', 'admin'); },
+  isAdmin() { return this.role('owner', 'admin'); },
+  isOwner() { return this.role('owner'); },
+};
diff --git a/public/js/pages/complaint-detail.js b/public/js/pages/complaint-detail.js
new file mode 100644
index 0000000..f5ac690
--- /dev/null
+++ b/public/js/pages/complaint-detail.js
@@ -0,0 +1,322 @@
+const ComplaintDetailPage = {
+  complaintId: null,
+
+  async render(id) {
+    this.complaintId = id;
+    return '<div class="loading"><i class="fas fa-spinner"></i><p>加载中...</p></div>';
+  },
+
+  async mount() {
+    const container = document.getElementById('page-content');
+    const backBtn = '<button class="btn btn-outline btn-sm" onclick="App.navigate(\'complaints\')"><i class="fas fa-arrow-left"></i> 返回</button>';
+    document.getElementById('page-title').textContent = `投诉 #${this.complaintId}`;
+    document.getElementById('page-actions').innerHTML = backBtn;
+
+    try {
+      const complaint = await API.get(`/complaints/${this.complaintId}`);
+      this.renderDetail(container, complaint);
+    } catch (err) {
+      container.innerHTML = `<div class="alert alert-danger">加载失败: ${err.message}</div>`;
+    }
+  },
+
+  renderDetail(container, c) {
+    const user = Auth.getUser();
+
+    container.innerHTML = `
+      <div class="detail-grid">
+        <div>
+          <div class="card">
+            <div class="card-header">
+              <span>基本信息</span>
+              <div>${Utils.statusBadge(c.status)} ${Utils.priorityBadge(c.priority)}</div>
+            </div>
+            <div class="card-body">
+              <div class="detail-row"><span class="label">标题</span><span class="value font-bold">${Utils.escapeHtml(c.title)}</span></div>
+              <div class="detail-row"><span class="label">描述</span><span class="value">${Utils.escapeHtml(c.description)}</span></div>
+              <div class="detail-row"><span class="label">分类</span><span class="value">${Utils.categoryBadge(c.category)}</span></div>
+              <div class="detail-row"><span class="label">玩家</span><span class="value">${Utils.escapeHtml(c.player_name)}</span></div>
+              ${c.player_email ? `<div class="detail-row"><span class="label">邮箱</span><span class="value">${Utils.escapeHtml(c.player_email)}</span></div>` : ''}
+              ${c.player_contact ? `<div class="detail-row"><span class="label">联系方式</span><span class="value">${Utils.escapeHtml(c.player_contact)}</span></div>` : ''}
+              <div class="detail-row"><span class="label">创建时间</span><span class="value">${Utils.formatDate(c.created_at)}</span></div>
+              <div class="detail-row"><span class="label">更新时间</span><span class="value">${Utils.formatDate(c.updated_at)}</span></div>
+            </div>
+          </div>
+
+          ${c.plan ? this.renderPlanSection(c) : ''}
+          ${c.implementation ? this.renderImplementationSection(c) : ''}
+          ${c.review ? this.renderReviewSection(c) : ''}
+
+          <div class="card">
+            <div class="card-header">沟通记录</div>
+            <div class="card-body">
+              ${c.responses && c.responses.length > 0 ? `
+              <div class="timeline">
+                ${c.responses.map(r => `
+                  <div class="timeline-item ${r.response_type === 'system' ? 'system' : ''}">
+                    <div class="timeline-header">
+                      <span class="name">${Utils.escapeHtml(r.user_name) || '系统'}</span>
+                      ${r.user_role ? `<span class="badge badge-${r.user_role}">${Utils.roleLabels[r.user_role]}</span>` : ''}
+                      <span>${Utils.formatDate(r.created_at)}</span>
+                    </div>
+                    <div class="timeline-content">${Utils.escapeHtml(r.content)}</div>
+                  </div>
+                `).join('')}
+              </div>
+              ` : '<p class="text-muted">暂无记录</p>'}
+            </div>
+          </div>
+
+          <div class="card">
+            <div class="card-header">添加回复</div>
+            <div class="card-body">
+              <form id="add-response-form">
+                <div class="form-group">
+                  <textarea id="response-content" rows="3" placeholder="输入回复内容..." required></textarea>
+                </div>
+                <button type="submit" class="btn btn-primary btn-sm"><i class="fas fa-reply"></i> 发送</button>
+              </form>
+            </div>
+          </div>
+        </div>
+
+        <div>
+          <div class="card">
+            <div class="card-header">人员分配</div>
+            <div class="card-body">
+              <div class="detail-row"><span class="label">规划者</span><span class="value">${c.planner_name || '<span class="text-muted">未分配</span>'}</span></div>
+              <div class="detail-row"><span class="label">实施者</span><span class="value">${c.implementer_name || '<span class="text-muted">未分配</span>'}</span></div>
+              <div class="detail-row"><span class="label">审查者</span><span class="value">${c.reviewer_name || '<span class="text-muted">未分配</span>'}</span></div>
+            </div>
+          </div>
+
+          <div class="card">
+            <div class="card-header">操作</div>
+            <div class="card-body" style="display:flex;flex-direction:column;gap:8px">
+              ${user && (user.role === 'planner' || user.role === 'admin') && !c.plan ? `
+                <button class="btn btn-primary btn-sm w-full" onclick="ComplaintDetailPage.createPlan(${c.id})">
+                  <i class="fas fa-clipboard-list"></i> 创建处理计划
+                </button>
+              ` : ''}
+              ${user && (user.role === 'planner' || user.role === 'admin') && c.plan && c.plan.status === 'draft' ? `
+                <button class="btn btn-success btn-sm w-full" onclick="ComplaintDetailPage.assignImplementer(${c.id}, ${c.plan.id})">
+                  <i class="fas fa-user-tag"></i> 分配实施者
+                </button>
+              ` : ''}
+              ${user && (user.role === 'implementer' || user.role === 'admin') && c.plan && c.implementer_name === user.display_name && !c.implementation ? `
+                <button class="btn btn-info btn-sm w-full" onclick="ComplaintDetailPage.startImplementation(${c.id}, ${c.plan.id})">
+                  <i class="fas fa-code"></i> 开始实施
+                </button>
+              ` : ''}
+              ${user && (user.role === 'reviewer' || user.role === 'admin') && c.implementation && c.implementation.status === 'completed' && !c.review ? `
+                <button class="btn btn-warning btn-sm w-full" onclick="ComplaintDetailPage.startReview(${c.id}, ${c.implementation.id})">
+                  <i class="fas fa-search"></i> 开始审查
+                </button>
+              ` : ''}
+              ${user && (user.role === 'admin') ? `
+                <button class="btn btn-outline btn-sm w-full" onclick="ComplaintDetailPage.showUpdateStatusModal(${c.id})">
+                  <i class="fas fa-edit"></i> 修改状态
+                </button>
+              ` : ''}
+            </div>
+          </div>
+        </div>
+      </div>
+    `;
+
+    document.getElementById('add-response-form')?.addEventListener('submit', async (e) => {
+      e.preventDefault();
+      const content = document.getElementById('response-content').value.trim();
+      if (!content) return;
+      try {
+        await API.post(`/complaints/${c.id}/response`, { content });
+        document.getElementById('response-content').value = '';
+        this.mount();
+      } catch (err) {
+        alert(err.message);
+      }
+    });
+  },
+
+  renderPlanSection(c) {
+    const p = c.plan;
+    return `
+      <div class="card">
+        <div class="card-header">
+          <span>处理计划</span>
+          <span>${Utils.statusBadge(p.status)}</span>
+        </div>
+        <div class="card-body">
+          <div class="detail-row"><span class="label">标题</span><span class="value font-bold">${Utils.escapeHtml(p.title)}</span></div>
+          <div class="detail-row"><span class="label">描述</span><span class="value">${Utils.escapeHtml(p.description)}</span></div>
+          ${p.technical_approach ? `<div class="detail-row"><span class="label">技术方案</span><span class="value" style="white-space:pre-wrap">${Utils.escapeHtml(p.technical_approach)}</span></div>` : ''}
+          ${p.expected_effort ? `<div class="detail-row"><span class="label">预计工时</span><span class="value">${p.expected_effort}</span></div>` : ''}
+          ${p.reject_reason ? `<div class="detail-row"><span class="label">驳回原因</span><span class="value" style="color:var(--danger)">${Utils.escapeHtml(p.reject_reason)}</span></div>` : ''}
+          <div class="detail-row"><span class="label">规划者</span><span class="value">${p.planner_name || '-'}</span></div>
+        </div>
+      </div>
+    `;
+  },
+
+  renderImplementationSection(c) {
+    const i = c.implementation;
+    return `
+      <div class="card">
+        <div class="card-header">
+          <span>实施情况</span>
+          <span>${Utils.statusBadge(i.status)}</span>
+        </div>
+        <div class="card-body">
+          ${i.code_reference ? `<div class="detail-row"><span class="label">代码参考</span><span class="value" style="white-space:pre-wrap">${Utils.escapeHtml(i.code_reference)}</span></div>` : ''}
+          ${i.implementation_notes ? `<div class="detail-row"><span class="label">实施说明</span><span class="value" style="white-space:pre-wrap">${Utils.escapeHtml(i.implementation_notes)}</span></div>` : ''}
+          ${i.reject_reason ? `<div class="detail-row"><span class="label">驳回原因</span><span class="value" style="color:var(--danger)">${Utils.escapeHtml(i.reject_reason)}</span></div>` : ''}
+          <div class="detail-row"><span class="label">实施者</span><span class="value">${i.implementer_name || '-'}</span></div>
+          ${i.status === 'in_progress' ? `
+            <div class="mt-4">
+              <form id="complete-implementation-form">
+                <div class="form-group">
+                  <label>代码参考/PR链接</label>
+                  <input type="text" id="impl-code" placeholder="Git提交号/PR链接等">
+                </div>
+                <div class="form-group">
+                  <label>实施说明</label>
+                  <textarea id="impl-notes" rows="3" placeholder="实施过程中的说明..."></textarea>
+                </div>
+                <button type="submit" class="btn btn-success btn-sm"><i class="fas fa-check"></i> 标记完成</button>
+              </form>
+            </div>
+          ` : ''}
+        </div>
+      </div>
+    `;
+  },
+
+  renderReviewSection(c) {
+    const r = c.review;
+    return `
+      <div class="card">
+        <div class="card-header">
+          <span>审查结果</span>
+          <span>${Utils.statusBadge(r.status)}</span>
+        </div>
+        <div class="card-body">
+          ${r.review_notes ? `<div class="detail-row"><span class="label">审查意见</span><span class="value" style="white-space:pre-wrap">${Utils.escapeHtml(r.review_notes)}</span></div>` : ''}
+          ${r.issues_found ? `<div class="detail-row"><span class="label">发现的问题</span><span class="value" style="white-space:pre-wrap">${Utils.escapeHtml(r.issues_found)}</span></div>` : ''}
+          ${r.reject_reason ? `<div class="detail-row"><span class="label">驳回原因</span><span class="value" style="color:var(--danger)">${Utils.escapeHtml(r.reject_reason)}</span></div>` : ''}
+          <div class="detail-row"><span class="label">审查者</span><span class="value">${r.reviewer_name || '-'}</span></div>
+        </div>
+      </div>
+    `;
+  },
+
+  async refresh() {
+    await this.mount();
+  },
+
+  async createPlan(complaintId) {
+    Utils.openModal('创建处理计划', `
+      <form id="create-plan-form">
+        <div class="form-group">
+          <label>计划标题 *</label>
+          <input type="text" id="plan-title" required placeholder="例如: 修复闪退问题">
+        </div>
+        <div class="form-group">
+          <label>计划描述 *</label>
+          <textarea id="plan-description" required rows="4" placeholder="详细描述处理方案..."></textarea>
+        </div>
+        <div class="form-group">
+          <label>技术方案</label>
+          <textarea id="plan-tech" rows="3" placeholder="技术实现方案..."></textarea>
+        </div>
+        <div class="form-group">
+          <label>预计工时</label>
+          <input type="text" id="plan-effort" placeholder="例如: 2小时">
+        </div>
+        <div class="modal-footer" style="padding:16px 0 0;border-top:1px solid var(--gray-200)">
+          <button type="button" class="btn btn-outline" onclick="App.closeModal()">取消</button>
+          <button type="submit" class="btn btn-primary"><i class="fas fa-save"></i> 创建</button>
+        </div>
+      </form>
+    `);
+    document.getElementById('create-plan-form').addEventListener('submit', async (e) => {
+      e.preventDefault();
+      try {
+        await API.post('/plans', {
+          complaint_id: complaintId,
+          title: document.getElementById('plan-title').value,
+          description: document.getElementById('plan-description').value,
+          technical_approach: document.getElementById('plan-tech').value,
+          expected_effort: document.getElementById('plan-effort').value,
+        });
+        App.closeModal();
+        this.refresh();
+      } catch (err) { alert(err.message); }
+    });
+  },
+
+  async assignImplementer(complaintId, planId) {
+    const users = await API.get('/users/implementers');
+    if (!users.length) { alert('暂无可用实施者'); return; }
+    Utils.openModal('分配实施者', `
+      <form id="assign-impl-form">
+        <div class="form-group">
+          <label>选择实施者</label>
+          <select id="assign-impl-user">
+            ${users.map(u => `<option value="${u.id}">${u.display_name} (${u.username})</option>`).join('')}
+          </select>
+        </div>
+        <div class="modal-footer" style="padding:16px 0 0;border-top:1px solid var(--gray-200)">
+          <button type="button" class="btn btn-outline" onclick="App.closeModal()">取消</button>
+          <button type="submit" class="btn btn-primary"><i class="fas fa-user-tag"></i> 分配</button>
+        </div>
+      </form>
+    `);
+    document.getElementById('assign-impl-form').addEventListener('submit', async (e) => {
+      e.preventDefault();
+      try {
+        await API.post(`/plans/${planId}/assign`, { implementer_id: parseInt(document.getElementById('assign-impl-user').value) });
+        App.closeModal();
+        this.refresh();
+      } catch (err) { alert(err.message); }
+    });
+  },
+
+  async startImplementation(complaintId, planId) {
+    try {
+      await API.post('/implementations', { plan_id: planId });
+      this.refresh();
+    } catch (err) { alert(err.message); }
+  },
+
+  async startReview(complaintId, implementationId) {
+    try {
+      await API.post('/reviews', { implementation_id: implementationId });
+      this.refresh();
+    } catch (err) { alert(err.message); }
+  },
+
+  showUpdateStatusModal(complaintId) {
+    Utils.openModal('修改状态', `
+      <form id="update-status-form">
+        <div class="form-group">
+          <label>新状态</label>
+          <select id="new-status">
+            ${Object.entries(Utils.statusLabels).map(([k,v]) => `<option value="${k}">${v}</option>`).join('')}
+          </select>
+        </div>
+        <div class="modal-footer" style="padding:16px 0 0;border-top:1px solid var(--gray-200)">
+          <button type="button" class="btn btn-outline" onclick="App.closeModal()">取消</button>
+          <button type="submit" class="btn btn-primary"><i class="fas fa-save"></i> 保存</button>
+        </div>
+      </form>
+    `);
+    document.getElementById('update-status-form').addEventListener('submit', async (e) => {
+      e.preventDefault();
+      try {
+        await API.put(`/complaints/${complaintId}`, { status: document.getElementById('new-status').value });
+        App.closeModal();
+        this.refresh();
+      } catch (err) { alert(err.message); }
+    });
+  }
+};
diff --git a/public/js/pages/complaints.js b/public/js/pages/complaints.js
new file mode 100644
index 0000000..be53728
--- /dev/null
+++ b/public/js/pages/complaints.js
@@ -0,0 +1,188 @@
+const ComplaintsPage = {
+  async render() {
+    return '<div class="loading"><i class="fas fa-spinner"></i><p>加载中...</p></div>';
+  },
+
+  async mount() {
+    const container = document.getElementById('page-content');
+    document.getElementById('page-title').textContent = '投诉列表';
+    document.getElementById('page-actions').innerHTML = '<button class="btn btn-primary" onclick="ComplaintsPage.showCreateModal()"><i class="fas fa-plus"></i> 提交投诉</button>';
+
+    await this.loadList(container);
+  },
+
+  async loadList(container, filters = {}) {
+    const params = new URLSearchParams();
+    if (filters.status) params.set('status', filters.status);
+    if (filters.priority) params.set('priority', filters.priority);
+    if (filters.category) params.set('category', filters.category);
+    if (filters.search) params.set('search', filters.search);
+    const qs = params.toString();
+
+    container.innerHTML = '<div class="loading"><i class="fas fa-spinner"></i><p>加载中...</p></div>';
+
+    try {
+      const complaints = await API.get('/complaints' + (qs ? '?' + qs : ''));
+      this.renderList(container, complaints, filters);
+    } catch (err) {
+      container.innerHTML = `<div class="alert alert-danger">加载失败: ${err.message}</div>`;
+    }
+  },
+
+  renderList(container, complaints, filters = {}) {
+    container.innerHTML = `
+      <div class="filter-bar">
+        <select id="filter-status" onchange="ComplaintsPage.applyFilters()">
+          <option value="">全部状态</option>
+          ${Object.entries(Utils.statusLabels).map(([k,v]) => `<option value="${k}" ${filters.status === k ? 'selected' : ''}>${v}</option>`).join('')}
+        </select>
+        <select id="filter-priority" onchange="ComplaintsPage.applyFilters()">
+          <option value="">全部优先级</option>
+          ${Object.entries(Utils.priorityLabels).map(([k,v]) => `<option value="${k}" ${filters.priority === k ? 'selected' : ''}>${v}</option>`).join('')}
+        </select>
+        <select id="filter-category" onchange="ComplaintsPage.applyFilters()">
+          <option value="">全部分类</option>
+          ${Object.entries(Utils.categoryLabels).map(([k,v]) => `<option value="${k}" ${filters.category === k ? 'selected' : ''}>${v}</option>`).join('')}
+        </select>
+        <input id="filter-search" placeholder="搜索标题/描述/玩家..." value="${filters.search || ''}" onkeyup="if(event.key==='Enter')ComplaintsPage.applyFilters()">
+        <button class="btn btn-outline btn-sm" onclick="ComplaintsPage.applyFilters()"><i class="fas fa-search"></i> 搜索</button>
+        <button class="btn btn-outline btn-sm" onclick="ComplaintsPage.resetFilters()"><i class="fas fa-undo"></i> 重置</button>
+      </div>
+
+      ${complaints.length === 0 ? `
+        <div class="empty-state">
+          <i class="fas fa-inbox"></i>
+          <p>暂无投诉记录</p>
+        </div>
+      ` : `
+        <div class="card">
+          <div class="table-container">
+            <table>
+              <thead>
+                <tr>
+                  <th>#</th>
+                  <th>标题</th>
+                  <th>玩家</th>
+                  <th>分类</th>
+                  <th>优先级</th>
+                  <th>状态</th>
+                  <th>规划者</th>
+                  <th>实施者</th>
+                  <th>审查者</th>
+                  <th>更新时间</th>
+                  <th>操作</th>
+                </tr>
+              </thead>
+              <tbody>
+                ${complaints.map(c => `
+                  <tr>
+                    <td>${c.id}</td>
+                    <td><strong><a href="#" onclick="App.navigate('complaint',${c.id});return false" style="color:var(--primary);text-decoration:none">${Utils.escapeHtml(c.title)}</a></strong></td>
+                    <td>${Utils.escapeHtml(c.player_name)}</td>
+                    <td>${Utils.categoryBadge(c.category)}</td>
+                    <td>${Utils.priorityBadge(c.priority)}</td>
+                    <td>${Utils.statusBadge(c.status)}</td>
+                    <td>${c.planner_name || '-'}</td>
+                    <td>${c.implementer_name || '-'}</td>
+                    <td>${c.reviewer_name || '-'}</td>
+                    <td class="date">${Utils.formatDate(c.updated_at)}</td>
+                    <td><button class="btn btn-sm btn-outline" onclick="App.navigate('complaint',${c.id})"><i class="fas fa-eye"></i></button></td>
+                  </tr>
+                `).join('')}
+              </tbody>
+            </table>
+          </div>
+        </div>
+      `}
+    `;
+  },
+
+  applyFilters() {
+    const filters = {
+      status: document.getElementById('filter-status').value,
+      priority: document.getElementById('filter-priority').value,
+      category: document.getElementById('filter-category').value,
+      search: document.getElementById('filter-search').value,
+    };
+    const container = document.getElementById('page-content');
+    this.loadList(container, filters);
+  },
+
+  resetFilters() {
+    const container = document.getElementById('page-content');
+    this.loadList(container, {});
+  },
+
+  showCreateModal() {
+    Utils.openModal('提交投诉', `
+      <form id="create-complaint-form">
+        <div class="form-group">
+          <label>标题 *</label>
+          <input type="text" id="c-title" required placeholder="投诉标题">
+        </div>
+        <div class="form-group">
+          <label>描述 *</label>
+          <textarea id="c-description" required placeholder="请详细描述问题..." rows="4"></textarea>
+        </div>
+        <div class="grid-2">
+          <div class="form-group">
+            <label>分类</label>
+            <select id="c-category">
+              ${Object.entries(Utils.categoryLabels).map(([k,v]) => `<option value="${k}">${v}</option>`).join('')}
+            </select>
+          </div>
+          <div class="form-group">
+            <label>优先级</label>
+            <select id="c-priority">
+              <option value="low">低</option>
+              <option value="medium" selected>中</option>
+              <option value="high">高</option>
+              <option value="critical">紧急</option>
+            </select>
+          </div>
+        </div>
+        <div class="form-group">
+          <label>玩家名称 *</label>
+          <input type="text" id="c-player_name" required placeholder="游戏内昵称">
+        </div>
+        <div class="grid-2">
+          <div class="form-group">
+            <label>邮箱</label>
+            <input type="email" id="c-player_email" placeholder="选填">
+          </div>
+          <div class="form-group">
+            <label>联系方式</label>
+            <input type="text" id="c-player_contact" placeholder="手机/微信/QQ">
+          </div>
+        </div>
+        <div class="modal-footer" style="padding:16px 0 0;border-top:1px solid var(--gray-200)">
+          <button type="button" class="btn btn-outline" onclick="App.closeModal()">取消</button>
+          <button type="submit" class="btn btn-primary"><i class="fas fa-paper-plane"></i> 提交</button>
+        </div>
+      </form>
+    `);
+    document.getElementById('create-complaint-form').addEventListener('submit', async (e) => {
+      e.preventDefault();
+      const btn = e.target.querySelector('button[type="submit"]');
+      btn.disabled = true;
+      btn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> 提交中...';
+      try {
+        await API.post('/complaints', {
+          title: document.getElementById('c-title').value,
+          description: document.getElementById('c-description').value,
+          category: document.getElementById('c-category').value,
+          priority: document.getElementById('c-priority').value,
+          player_name: document.getElementById('c-player_name').value,
+          player_email: document.getElementById('c-player_email').value,
+          player_contact: document.getElementById('c-player_contact').value,
+        });
+        App.closeModal();
+        this.mount();
+      } catch (err) {
+        alert(err.message);
+        btn.disabled = false;
+        btn.innerHTML = '<i class="fas fa-paper-plane"></i> 提交';
+      }
+    });
+  }
+};
diff --git a/public/js/pages/dashboard.js b/public/js/pages/dashboard.js
new file mode 100644
index 0000000..b69df5b
--- /dev/null
+++ b/public/js/pages/dashboard.js
@@ -0,0 +1,47 @@
+const Dashboard = {
+  async render() { return '<div class="loading"><i class="fas fa-spinner"></i></div>'; },
+
+  async mount() {
+    const ct = document.getElementById('page-content');
+    document.getElementById('page-title').textContent = '控制台';
+    document.getElementById('page-actions').innerHTML = `
+      <button class="btn btn-p btn-sm" onclick="App.navigate('tickets','create?type=report')"><i class="fas fa-flag"></i> 举报</button>
+      <button class="btn btn-s btn-sm" onclick="App.navigate('tickets','create?type=suggestion')"><i class="fas fa-lightbulb"></i> 建议</button>
+    `;
+
+    try {
+      const [stats, exports] = await Promise.all([
+        API.get('/tickets/stats'),
+        Auth.isAdmin() ? API.get('/export/dashboard') : null,
+      ]);
+      this.renderContent(ct, stats, exports);
+    } catch (e) { ct.innerHTML = `<div class="alert alert-e">${e.message}</div>`; }
+  },
+
+  renderContent(ct, stats, exports) {
+    const byStatus = stats.byStatus || {};
+
+    ct.innerHTML = `
+      <div class="stats-grid">
+        <div class="stat-card"><div class="si" style="background:#eef2ff;color:var(--p)"><i class="fas fa-ticket-alt"></i></div><div><div class="sv">${stats.total}</div><div class="sl">工单总数</div></div></div>
+        <div class="stat-card"><div class="si" style="background:#fef3c7;color:#d97706"><i class="fas fa-clock"></i></div><div><div class="sv">${byStatus.pending || 0}</div><div class="sl">待处理</div></div></div>
+        <div class="stat-card"><div class="si" style="background:#ede9fe;color:#7c3aed"><i class="fas fa-cogs"></i></div><div><div class="sv">${byStatus.processing || 0}</div><div class="sl">处理中</div></div></div>
+        <div class="stat-card"><div class="si" style="background:#d1fae5;color:var(--s)"><i class="fas fa-check-circle"></i></div><div><div class="sv">${byStatus.resolved || 0}</div><div class="sl">已解决</div></div></div>
+      </div>
+
+      ${Auth.isAdmin() && exports ? `
+      <div class="grid-2">
+        <div class="card"><div class="card-h">类型分布</div><div class="card-b">
+          ${(exports.byType||[]).map(r => `<div class="detail-row"><span class="lbl">${U.TYPE[r.type]||r.type}</span><span class="val fb">${r.c} 条</span></div>`).join('')}
+        </div></div>
+        <div class="card"><div class="card-h">状态分布</div><div class="card-b">
+          ${(exports.byStatus||[]).map(r => `<div class="detail-row"><span class="lbl">${U.STATUS[r.status]||r.status}</span><span class="val fb">${r.c} 条</span></div>`).join('')}
+        </div></div>
+      </div>
+      ${exports.monthly?.length ? `
+      <div class="card"><div class="card-h">月度趋势</div><div class="card-b table-wrap"><table><thead><tr><th>月份</th><th>数量</th></tr></thead><tbody>${exports.monthly.map(m=>`<tr><td>${m.m}</td><td>${m.c}</td></tr>`).join('')}</tbody></table></div></div>` : ''}
+      ` : ''}
+      <p class="tm ts tc">提示: 可在"工单列表"中查看和管理所有工单</p>
+    `;
+  }
+};
diff --git a/public/js/pages/export-page.js b/public/js/pages/export-page.js
new file mode 100644
index 0000000..177bf01
--- /dev/null
+++ b/public/js/pages/export-page.js
@@ -0,0 +1,88 @@
+const ExportPage = {
+  async render() { return '<div class="loading"><i class="fas fa-spinner"></i></div>'; },
+
+  mount() {
+    const ct = document.getElementById('page-content');
+    document.getElementById('page-title').textContent = '数据导出';
+    document.getElementById('page-actions').innerHTML = '';
+
+    ct.innerHTML = `
+      <div class="grid-2">
+        <div class="card"><div class="card-h"><i class="fas fa-file-csv"></i> 导出工单</div><div class="card-b">
+          <form id="exp-tickets">
+            <div class="grid-2"><div class="form-group"><label>类型</label><select id="et-type"><option value="">全部</option>${Object.entries(U.TYPE).map(([k,v])=>`<option value="${k}">${v}</option>`).join('')}</select></div>
+            <div class="form-group"><label>状态</label><select id="et-status"><option value="">全部</option>${Object.entries(U.STATUS).map(([k,v])=>`<option value="${k}">${v}</option>`).join('')}</select></div></div>
+            <div class="grid-2"><div class="form-group"><label>开始日期</label><input type="date" id="et-start"></div><div class="form-group"><label>结束日期</label><input type="date" id="et-end"></div></div>
+            <div class="form-group"><label>格式</label><select id="et-fmt"><option value="csv">CSV (Excel)</option><option value="json">JSON</option></select></div>
+            <button type="submit" class="btn btn-p btn-sm"><i class="fas fa-download"></i> 导出</button>
+          </form>
+        </div></div>
+
+        <div class="card"><div class="card-h"><i class="fas fa-user-slash"></i> 被举报人统计导出</div><div class="card-b">
+          <p class="tm mb-4">导出所有被举报玩家列表，含被举报次数、处理结果、常见原因等</p>
+          <form id="exp-reported">
+            <div class="form-group"><label>格式</label><select id="er-fmt"><option value="csv">CSV (Excel)</option><option value="json">JSON</option></select></div>
+            <button type="submit" class="btn btn-w btn-sm"><i class="fas fa-download"></i> 导出被举报人统计</button>
+          </form>
+        </div></div>
+
+        <div class="card"><div class="card-h"><i class="fas fa-history"></i> 导出操作日志</div><div class="card-b">
+          <form id="exp-logs">
+            <div class="grid-2"><div class="form-group"><label>开始日期</label><input type="date" id="el-start"></div><div class="form-group"><label>结束日期</label><input type="date" id="el-end"></div></div>
+            <div class="form-group"><label>格式</label><select id="el-fmt"><option value="csv">CSV (Excel)</option><option value="json">JSON</option></select></div>
+            <button type="submit" class="btn btn-i btn-sm"><i class="fas fa-download"></i> 导出</button>
+          </form>
+        </div></div>
+
+        <div class="card"><div class="card-h"><i class="fas fa-chart-bar"></i> 统计报表</div><div class="card-b">
+          <p class="tm mb-4">查看系统整体统计和趋势数据</p>
+          <button class="btn btn-p btn-sm" onclick="ExportPage.viewStats()"><i class="fas fa-chart-simple"></i> 查看统计</button>
+        </div></div>
+      </div>
+    `;
+
+    document.getElementById('exp-tickets').onsubmit = async e => {
+      e.preventDefault();
+      const p = new URLSearchParams({
+        format: document.getElementById('et-fmt').value,
+        type: document.getElementById('et-type').value,
+        status: document.getElementById('et-status').value,
+        start_date: document.getElementById('et-start').value,
+        end_date: document.getElementById('et-end').value,
+      });
+      try { await API.download(`/export/tickets?${p}`); } catch (ex) { alert(ex.message); }
+    };
+
+    document.getElementById('exp-reported').onsubmit = async e => {
+      e.preventDefault();
+      const p = new URLSearchParams({ format: document.getElementById('er-fmt').value });
+      try { await API.download(`/export/reported-players?${p}`); } catch (ex) { alert(ex.message); }
+    };
+
+    document.getElementById('exp-logs').onsubmit = async e => {
+      e.preventDefault();
+      const p = new URLSearchParams({
+        format: document.getElementById('el-fmt').value,
+        start_date: document.getElementById('el-start').value,
+        end_date: document.getElementById('el-end').value,
+      });
+      try { await API.download(`/export/audit-logs?${p}`); } catch (ex) { alert(ex.message); }
+    };
+  },
+
+  async viewStats() {
+    try {
+      const d = await API.get('/export/dashboard');
+      U.modal('系统统计', `
+        <div class="detail-section"><h4>概览</h4>
+          <div class="detail-row"><span class="lbl">工单总数</span><span class="val fb">${d.total}</span></div>
+          <div class="detail-row"><span class="lbl">今日新增</span><span class="val fb">${d.today}</span></div>
+          <div class="detail-row"><span class="lbl">用户数</span><span class="val fb">${d.usersTotal}</span></div>
+        </div>
+        <div class="detail-section"><h4>状态分布</h4>${(d.byStatus||[]).map(r=>`<div class="detail-row"><span class="lbl">${U.STATUS[r.status]||r.status}</span><span class="val fb">${r.c}</span></div>`).join('')}</div>
+        <div class="detail-section"><h4>类型分布</h4>${(d.byType||[]).map(r=>`<div class="detail-row"><span class="lbl">${U.TYPE[r.type]||r.type}</span><span class="val fb">${r.c}</span></div>`).join('')}</div>
+        ${d.monthly?.length?`<div class="detail-section"><h4>月度趋势</h4>${d.monthly.map(m=>`<div class="detail-row"><span class="lbl">${m.m}</span><span class="val fb">${m.c} 条</span></div>`).join('')}</div>`:''}
+      `, '600px');
+    } catch (e) { alert(e.message); }
+  }
+};
diff --git a/public/js/pages/home.js b/public/js/pages/home.js
new file mode 100644
index 0000000..552f906
--- /dev/null
+++ b/public/js/pages/home.js
@@ -0,0 +1,82 @@
+const HomePage = {
+  async render() {
+    return `<div id="home-content" style="max-width:800px;margin:0 auto;padding:30px 0">
+      <div class="tab-nav">
+        <button class="active" data-tab="report"><i class="fas fa-flag"></i> 举报</button>
+        <button data-tab="suggestion"><i class="fas fa-lightbulb"></i> 建议</button>
+        <button data-tab="appeal"><i class="fas fa-gavel"></i> 申诉</button>
+        <button data-tab="tracking"><i class="fas fa-search"></i> 追踪</button>
+      </div>
+      <div id="home-tab"></div>
+    </div>`;
+  },
+
+  mount() {
+    const tabBtns = document.querySelectorAll('.tab-nav button');
+    const tabContent = document.getElementById('home-tab');
+    let currentTab = 'report';
+
+    function switchTab(tab) {
+      currentTab = tab;
+      tabBtns.forEach(b => b.classList.toggle('active', b.dataset.tab === tab));
+      if (tab === 'tracking') renderTracking(tabContent);
+      else TicketCreate.render(tabContent, { type: tab, prefill: {}, backLink: null });
+    }
+
+    function renderTracking(ct) {
+      const token = document.cookie.split('; ').find(r => r.startsWith('tracking_token='))?.split('=')[1];
+      ct.innerHTML = `
+        <div class="card"><div class="card-b">
+          <div class="form-group"><label>追踪标识 (Cookie自动读取)</label>
+            <input id="track-token" value="${token || ''}" placeholder="粘贴追踪标识">
+          </div>
+          <button class="btn btn-p" onclick="HomePage.searchTracking()"><i class="fas fa-search"></i> 查找我的工单</button>
+          <div id="track-result" class="mt-4"></div>
+        </div></div>`;
+    }
+
+    tabBtns.forEach(b => b.onclick = () => switchTab(b.dataset.tab));
+    switchTab('report');
+
+    this.searchTracking = async () => {
+      const token = document.getElementById('track-token').value.trim();
+      if (!token) return alert('请输入追踪标识');
+      const ct = document.getElementById('track-result');
+      ct.innerHTML = '<div class="loading"><i class="fas fa-spinner"></i></div>';
+      try {
+        const tickets = await API.get(`/tickets/tracking?token=${token}`);
+        ct.innerHTML = tickets.length ? `
+          <div class="table-wrap"><table><thead><tr>
+            <th>#</th><th>类型</th><th>标题</th><th>状态</th><th>时间</th><th>操作</th>
+          </tr></thead><tbody>${tickets.map(t => `
+            <tr><td>${t.id}</td><td>${U.badge(t.type,'type')}</td><td>${U.esc(t.title)}</td>
+            <td>${U.badge(t.status,'status')}</td><td>${U.date(t.created_at)}</td>
+            <td><button class="btn btn-o btn-sm" onclick="App.navigate('tracking');App.showTrackDetail(${t.id},'${token}')">查看</button></td></tr>
+          `).join('')}</tbody></table></div>` : '<div class="empty"><i class="fas fa-inbox"></i><p>未找到工单</p></div>';
+      } catch (ex) { ct.innerHTML = `<div class="alert alert-e">${ex.message}</div>`; }
+    };
+  },
+
+  showTrackDetail(id, token) {
+    U.modal(`工单 #${id}`, `<div id="track-detail-content"></div>`, '700px');
+    const ct = document.getElementById('track-detail-content');
+    U.loading(ct);
+    API.get(`/tickets/tracking?token=${token}`).then(tickets => {
+      const t = tickets.find(x => x.id === id);
+      if (!t) { ct.innerHTML = '<p>未找到</p>'; return; }
+      ct.innerHTML = `
+        <div class="detail-section"><h4>基本信息</h4>
+          <div class="detail-row"><span class="lbl">标题</span><span class="val fb">${U.esc(t.title)}</span></div>
+          <div class="detail-row"><span class="lbl">类型</span><span class="val">${U.badge(t.type,'type')}</span></div>
+          <div class="detail-row"><span class="lbl">状态</span><span class="val">${U.badge(t.status,'status')}</span></div>
+          <div class="detail-row"><span class="lbl">提交者</span><span class="val">${U.esc(t.reporter_game_name)} (UID: ${U.esc(t.reporter_game_uid)})</span></div>
+          ${t.type==='report'?`
+          <div class="detail-row"><span class="lbl">被举报人</span><span class="val">${U.esc(t.target_game_name||'?')} (UID: ${U.esc(t.target_game_uid||'?')})</span></div>
+          <div class="detail-row"><span class="lbl">原因</span><span class="val">${U.esc(t.reason)}</span></div>`:''}
+          ${t.description?`<div class="detail-row"><span class="lbl">详情</span><span class="val">${U.esc(t.description)}</span></div>`:''}
+          <div class="detail-row"><span class="lbl">时间</span><span class="val">${U.date(t.created_at)}</span></div>
+        </div>
+        <p class="tm ts">如需回复，请<a href="#/register" style="color:var(--p)">注册账号</a>后关联此工单。</p>`;
+    }).catch(e => { ct.innerHTML = `<div class="alert alert-e">${e.message}</div>`; });
+  }
+};
diff --git a/public/js/pages/implementations.js b/public/js/pages/implementations.js
new file mode 100644
index 0000000..c4802f1
--- /dev/null
+++ b/public/js/pages/implementations.js
@@ -0,0 +1,62 @@
+const ImplementationsPage = {
+  async render() {
+    return '<div class="loading"><i class="fas fa-spinner"></i><p>加载中...</p></div>';
+  },
+
+  async mount() {
+    const container = document.getElementById('page-content');
+    document.getElementById('page-title').textContent = '实施管理';
+    document.getElementById('page-actions').innerHTML = '';
+
+    try {
+      const impls = await API.get('/implementations');
+      this.renderList(container, impls);
+    } catch (err) {
+      container.innerHTML = `<div class="alert alert-danger">加载失败: ${err.message}</div>`;
+    }
+  },
+
+  renderList(container, impls) {
+    container.innerHTML = `
+      ${impls.length === 0 ? `
+        <div class="empty-state">
+          <i class="fas fa-code"></i>
+          <p>暂无实施记录</p>
+        </div>
+      ` : `
+        <div class="card">
+          <div class="table-container">
+            <table>
+              <thead>
+                <tr>
+                  <th>#</th>
+                  <th>关联投诉</th>
+                  <th>关联计划</th>
+                  <th>状态</th>
+                  <th>实施者</th>
+                  <th>创建时间</th>
+                  <th>操作</th>
+                </tr>
+              </thead>
+              <tbody>
+                ${impls.map(i => `
+                  <tr>
+                    <td>${i.id}</td>
+                    <td><a href="#" onclick="App.navigate('complaint',${i.complaint_id});return false" style="color:var(--primary)">#${i.complaint_id} ${Utils.escapeHtml(i.complaint_title)}</a></td>
+                    <td class="text-sm text-muted">${Utils.escapeHtml(i.plan_title)}</td>
+                    <td>${Utils.statusBadge(i.status)}</td>
+                    <td>${i.implementer_name || '-'}</td>
+                    <td class="date">${Utils.formatDate(i.created_at)}</td>
+                    <td>
+                      <button class="btn btn-sm btn-outline" onclick="App.navigate('complaint',${i.complaint_id})"><i class="fas fa-eye"></i></button>
+                    </td>
+                  </tr>
+                `).join('')}
+              </tbody>
+            </table>
+          </div>
+        </div>
+      `}
+    `;
+  }
+};
diff --git a/public/js/pages/install.js b/public/js/pages/install.js
new file mode 100644
index 0000000..e6a6a0d
--- /dev/null
+++ b/public/js/pages/install.js
@@ -0,0 +1,109 @@
+const InstallPage = {
+  step: 1,
+
+  async render() {
+    const status = await API.get('/install/status');
+    if (status.installed) { location.hash = '#/login'; return ''; }
+    return `<div style="max-width:600px;margin:0 auto;padding:30px 0"><div id="install-steps"></div></div>`;
+  },
+
+  mount() {
+    this.showStep(1);
+  },
+
+  showStep(n) {
+    this.step = n;
+    const ct = document.getElementById('install-steps');
+    if (n === 1) this.renderDBStep(ct);
+    else if (n === 2) this.renderAdminStep(ct);
+  },
+
+  renderDBStep(ct) {
+    ct.innerHTML = `
+      <div class="card"><div class="card-h"><i class="fas fa-database"></i> 第1步：数据库配置</div><div class="card-b">
+        <form id="install-db">
+          <div class="grid-2"><div class="form-group"><label>MySQL 主机</label><input id="db-host" value="localhost"></div>
+          <div class="form-group"><label>端口</label><input id="db-port" value="3306" type="number"></div></div>
+          <div class="grid-2"><div class="form-group"><label>用户名</label><input id="db-user" value="root" required></div>
+          <div class="form-group"><label>密码</label><input type="password" id="db-pass"></div></div>
+          <div class="form-group"><label>数据库名</label><input id="db-name" value="mc_report" required><span class="help">如不存在将自动创建</span></div>
+          <div id="db-err" class="alert alert-e hidden"></div>
+          <button type="submit" class="btn btn-p"><i class="fas fa-check"></i> 测试连接并继续</button>
+        </form>
+      </div></div>
+    `;
+    document.getElementById('install-db').onsubmit = async e => {
+      e.preventDefault();
+      const btn = e.target.querySelector('button');
+      btn.disabled = true;
+      btn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> 测试中...';
+      try {
+        await API.post('/install/check-db', {
+          host: document.getElementById('db-host').value,
+          port: document.getElementById('db-port').value,
+          user: document.getElementById('db-user').value,
+          password: document.getElementById('db-pass').value,
+          database: document.getElementById('db-name').value,
+        });
+        this.dbConfig = {
+          host: document.getElementById('db-host').value,
+          port: document.getElementById('db-port').value,
+          user: document.getElementById('db-user').value,
+          pass: document.getElementById('db-pass').value,
+          name: document.getElementById('db-name').value,
+        };
+        this.showStep(2);
+      } catch (ex) {
+        document.getElementById('db-err').textContent = ex.message;
+        document.getElementById('db-err').classList.remove('hidden');
+        btn.disabled = false;
+        btn.innerHTML = '<i class="fas fa-check"></i> 测试连接并继续';
+      }
+    };
+  },
+
+  renderAdminStep(ct) {
+    ct.innerHTML = `
+      <div class="card"><div class="card-h"><i class="fas fa-user-crown"></i> 第2步：创建服主账号</div><div class="card-b">
+        <form id="install-admin">
+          <div class="grid-2"><div class="form-group"><label>站点名称</label><input id="ia-sitename" value="MC举报系统"></div>
+          <div class="form-group"><label>站点地址</label><input id="ia-siteurl" value="${location.origin}"></div></div>
+          <div class="grid-2"><div class="form-group"><label>服主用户名 *</label><input id="ia-username" required placeholder="登录用"></div>
+          <div class="form-group"><label>邮箱 *</label><input type="email" id="ia-email" required></div></div>
+          <div class="grid-2"><div class="form-group"><label>密码 *</label><input type="password" id="ia-password" required minlength="6"></div>
+          <div class="form-group"><label>游戏名称</label><input id="ia-game" placeholder="Minecraft ID"></div></div>
+          <div class="form-group"><label>游戏UID</label><input id="ia-uid" placeholder="游戏唯一ID"></div>
+          <div id="ia-err" class="alert alert-e hidden"></div>
+          <div id="ia-warn" class="alert alert-i"><strong>注意：</strong>安装完成后需要重启服务器才能加载业务路由。请记好账号密码。</div>
+          <button type="submit" class="btn btn-p btn-lg w-full"><i class="fas fa-check"></i> 完成安装</button>
+        </form>
+      </div></div>
+    `;
+    document.getElementById('install-admin').onsubmit = async e => {
+      e.preventDefault();
+      const btn = e.target.querySelector('button');
+      btn.disabled = true;
+      btn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> 安装中...';
+      try {
+        await API.post('/install/complete', {
+          ...this.dbConfig,
+          db_host: this.dbConfig.host, db_port: this.dbConfig.port,
+          db_user: this.dbConfig.user, db_pass: this.dbConfig.pass, db_name: this.dbConfig.name,
+          site_name: document.getElementById('ia-sitename').value,
+          site_url: document.getElementById('ia-siteurl').value,
+          admin_username: document.getElementById('ia-username').value,
+          admin_password: document.getElementById('ia-password').value,
+          admin_email: document.getElementById('ia-email').value,
+          admin_game_name: document.getElementById('ia-game').value,
+          admin_game_uid: document.getElementById('ia-uid').value,
+        });
+        document.getElementById('install-admin').innerHTML = '<div class="alert alert-s"><h3><i class="fas fa-check-circle"></i> 安装成功！</h3><p>配置已保存。请重启服务器后刷新页面。</p></div>';
+      } catch (ex) {
+        document.getElementById('ia-err').textContent = ex.message;
+        document.getElementById('ia-err').classList.remove('hidden');
+        btn.disabled = false;
+        btn.innerHTML = '<i class="fas fa-check"></i> 完成安装';
+      }
+    };
+  }
+};
diff --git a/public/js/pages/login.js b/public/js/pages/login.js
new file mode 100644
index 0000000..b20f3de
--- /dev/null
+++ b/public/js/pages/login.js
@@ -0,0 +1,41 @@
+const LoginPage = {
+  render() {
+    return `
+      <div class="pub-card" style="background:white;border-radius:16px;padding:36px 32px;width:420px;max-width:90vw;box-shadow:0 20px 60px rgba(0,0,0,.35)">
+        <div class="logo"><i class="fas fa-shield-halved"></i><h2>MC举报系统</h2><p>登录账号</p></div>
+        <form id="login-form">
+          <div class="form-group"><input id="lu" placeholder="用户名" required autofocus></div>
+          <div class="form-group"><input type="password" id="lp" placeholder="密码" required></div>
+          <div id="le" class="alert alert-e hidden"></div>
+          <button type="submit" class="btn btn-p btn-lg w-full"><i class="fas fa-sign-in-alt"></i> 登录</button>
+        </form>
+        <div style="margin-top:16px;text-align:center;font-size:13px">
+          <a href="#/register" style="color:var(--p);text-decoration:none">还没有账号？立即注册</a>
+          <span style="color:var(--g300);margin:0 8px">|</span>
+          <a href="#/home" style="color:var(--g500);text-decoration:none">匿名提交</a>
+        </div>
+        <div style="margin-top:14px;padding-top:12px;border-top:1px solid var(--g200);font-size:11px;color:var(--g400);text-align:center">
+          演示: owner/admin123 &nbsp; admin/admin123 &nbsp; player1/player123
+        </div>
+      </div>`;
+  },
+
+  mount() {
+    document.getElementById('login-form').addEventListener('submit', async e => {
+      e.preventDefault();
+      const btn = e.target.querySelector('button');
+      btn.disabled = true;
+      btn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> 登录中...';
+      try {
+        await Auth.login(document.getElementById('lu').value.trim(), document.getElementById('lp').value.trim());
+        App.afterLogin();
+      } catch (err) {
+        const el = document.getElementById('le');
+        el.textContent = err.message;
+        el.classList.remove('hidden');
+        btn.disabled = false;
+        btn.innerHTML = '<i class="fas fa-sign-in-alt"></i> 登录';
+      }
+    });
+  }
+};
diff --git a/public/js/pages/notifications.js b/public/js/pages/notifications.js
new file mode 100644
index 0000000..564fd3e
--- /dev/null
+++ b/public/js/pages/notifications.js
@@ -0,0 +1,72 @@
+const NotificationsPage = {
+  async render() { return '<div class="loading"><i class="fas fa-spinner"></i></div>'; },
+
+  async mount() {
+    document.getElementById('page-title').textContent = '通知配置';
+    document.getElementById('page-actions').innerHTML = '<button class="btn btn-p btn-sm" onclick="NotificationsPage.showCreate()"><i class="fas fa-plus"></i> 添加Webhook</button>';
+    await this.load();
+  },
+
+  async load() {
+    const ct = document.getElementById('page-content');
+    try {
+      const cfgs = await API.get('/notifications');
+      ct.innerHTML = cfgs.length ? cfgs.map(c => `
+        <div class="card"><div class="card-h"><span><i class="fas fa-${c.type==='webhook'?'link':'envelope'}"></i> ${U.esc(c.name)}</span><span>${c.active?`<span class="badge bg-resolved">启用</span>`:`<span class="badge bg-rejected">禁用</span>`}</span></div><div class="card-b">
+          <div class="detail-row"><span class="lbl">类型</span><span class="val">${c.type==='webhook'?'Webhook':'邮件'}</span></div>
+          ${c.webhook_url?`<div class="detail-row"><span class="lbl">地址</span><span class="val ts" style="word-break:break-all">${U.esc(c.webhook_url)}</span></div>`:''}
+          <div class="detail-row"><span class="lbl">事件</span><span class="val">${EventsLabel(c.events)}</span></div>
+          <div class="mt-2 flex g2">
+            <button class="btn btn-o btn-sm" onclick="NotificationsPage.showEdit(${c.id},'${U.esc(c.name)}','${c.type}','${U.esc(c.webhook_url)}','${c.events}',${c.active})"><i class="fas fa-edit"></i> 编辑</button>
+            <button class="btn btn-i btn-sm" onclick="NotificationsPage.test(${c.id})"><i class="fas fa-paper-plane"></i> 测试</button>
+            <button class="btn btn-d btn-sm" onclick="NotificationsPage.del(${c.id})"><i class="fas fa-trash"></i> 删除</button>
+          </div>
+        </div></div>
+      `).join('') : '<div class="empty"><i class="fas fa-bell-slash"></i><p>暂无通知配置</p><p class="ts tm">添加Webhook后可自动推送工单状态变更通知</p></div>';
+    } catch (e) { ct.innerHTML = `<div class="alert alert-e">${e.message}</div>`; }
+  },
+
+  showCreate() {
+    U.modal('添加Webhook', `
+      <form id="nc-form"><div class="form-group"><label>名称 *</label><input id="nc-name" placeholder="如: Discord通知" required></div>
+      <div class="form-group"><label>类型 *</label><select id="nc-type"><option value="webhook">Webhook</option></select></div>
+      <div class="form-group"><label>Webhook URL *</label><input id="nc-url" placeholder="https://discord.com/api/webhooks/..." required></div>
+      <div class="form-group"><label>触发事件</label>
+        <div style="display:flex;flex-wrap:wrap;gap:8px;margin-top:4px">${EventOptions('all')}</div>
+        <input type="hidden" id="nc-events" value="all">
+      </div>
+      <div class="modal-f"><button type="button" class="btn btn-o" onclick="App.closeModal()">取消</button><button type="submit" class="btn btn-p">创建</button></div></form>
+    `);
+    bindEventToggles();
+    document.getElementById('nc-form').onsubmit = async e => { e.preventDefault();
+      try { await API.post('/notifications',{name:document.getElementById('nc-name').value,type:'webhook',webhook_url:document.getElementById('nc-url').value,events:document.getElementById('nc-events').value}); App.closeModal(); this.load(); } catch(ex){alert(ex.message);}
+    };
+  },
+
+  showEdit(id,name,type,url,events,active) {
+    U.modal('编辑通知', `
+      <form id="ne-form"><div class="form-group"><label>名称</label><input id="ne-name" value="${name}"></div>
+      <div class="form-group"><label>Webhook URL</label><input id="ne-url" value="${url}"></div>
+      <div class="form-group"><label>触发事件</label>
+        <div style="display:flex;flex-wrap:wrap;gap:8px;margin-top:4px">${EventOptions(events)}</div>
+        <input type="hidden" id="ne-events" value="${events}">
+      </div>
+      <div class="form-group"><label>状态</label><select id="ne-active"><option value="1" ${active?'selected':''}>启用</option><option value="0" ${!active?'selected':''}>禁用</option></select></div>
+      <div class="modal-f"><button type="button" class="btn btn-o" onclick="App.closeModal()">取消</button><button type="submit" class="btn btn-p">保存</button></div></form>
+    `);
+    bindEventToggles();
+    document.getElementById('ne-form').onsubmit = async e => { e.preventDefault();
+      try { await API.put(`/notifications/${id}`,{name:document.getElementById('ne-name').value,webhook_url:document.getElementById('ne-url').value,events:document.getElementById('ne-events').value,active:document.getElementById('ne-active').value==='1'}); App.closeModal(); this.load(); } catch(ex){alert(ex.message);}
+    };
+  },
+
+  async test(id) { try { alert((await API.post(`/notifications/${id}/test`)).message); } catch(ex){alert(ex.message);} },
+  async del(id) { if(await U.confirm('确认删除此通知配置？')){ await API.req('DELETE',`/notifications/${id}`); this.load(); } }
+};
+
+function EventOptions(current) { return ['all','ticket_created','ticket_claimed','ticket_transferred','ticket_updated'].map(e=>`<label style="cursor:pointer;font-size:12px"><input type="checkbox" value="${e}" class="ev-check" ${current.split(',').map(s=>s.trim()).includes(e)?'checked':''}> ${EventsLabelSingle(e)}</label>`).join(''); }
+function EventsLabel(v) { return v==='all'?'全部事件':v.split(',').map(s=>s.trim()).map(EventsLabelSingle).join(', '); }
+function EventsLabelSingle(e) { return {all:'全部',ticket_created:'工单创建',ticket_claimed:'工单认领',ticket_transferred:'工单转交',ticket_updated:'工单更新'}[e]||e; }
+function bindEventToggles() {
+  document.querySelectorAll('.ev-check').forEach(cb=>{ cb.onchange=()=>{ const all=document.querySelectorAll('.ev-check'); const v=Array.from(all).filter(c=>c.checked).map(c=>c.value).join(','); const hid=cb.closest('form').querySelector('input[type="hidden"]'); if(hid)hid.value=v; }; });
+}
diff --git a/public/js/pages/plans.js b/public/js/pages/plans.js
new file mode 100644
index 0000000..b4d1801
--- /dev/null
+++ b/public/js/pages/plans.js
@@ -0,0 +1,62 @@
+const PlansPage = {
+  async render() {
+    return '<div class="loading"><i class="fas fa-spinner"></i><p>加载中...</p></div>';
+  },
+
+  async mount() {
+    const container = document.getElementById('page-content');
+    document.getElementById('page-title').textContent = '计划管理';
+    document.getElementById('page-actions').innerHTML = '';
+
+    try {
+      const plans = await API.get('/plans');
+      this.renderList(container, plans);
+    } catch (err) {
+      container.innerHTML = `<div class="alert alert-danger">加载失败: ${err.message}</div>`;
+    }
+  },
+
+  renderList(container, plans) {
+    container.innerHTML = `
+      ${plans.length === 0 ? `
+        <div class="empty-state">
+          <i class="fas fa-clipboard-list"></i>
+          <p>暂无计划</p>
+        </div>
+      ` : `
+        <div class="card">
+          <div class="table-container">
+            <table>
+              <thead>
+                <tr>
+                  <th>#</th>
+                  <th>计划标题</th>
+                  <th>关联投诉</th>
+                  <th>状态</th>
+                  <th>规划者</th>
+                  <th>创建时间</th>
+                  <th>操作</th>
+                </tr>
+              </thead>
+              <tbody>
+                ${plans.map(p => `
+                  <tr>
+                    <td>${p.id}</td>
+                    <td><strong>${Utils.escapeHtml(p.title)}</strong></td>
+                    <td><a href="#" onclick="App.navigate('complaint',${p.complaint_id});return false" style="color:var(--primary)">#${p.complaint_id} ${Utils.escapeHtml(p.complaint_title)}</a></td>
+                    <td>${Utils.statusBadge(p.status)}</td>
+                    <td>${p.planner_name || '-'}</td>
+                    <td class="date">${Utils.formatDate(p.created_at)}</td>
+                    <td>
+                      <button class="btn btn-sm btn-outline" onclick="App.navigate('complaint',${p.complaint_id})"><i class="fas fa-eye"></i></button>
+                    </td>
+                  </tr>
+                `).join('')}
+              </tbody>
+            </table>
+          </div>
+        </div>
+      `}
+    `;
+  }
+};
diff --git a/public/js/pages/register.js b/public/js/pages/register.js
new file mode 100644
index 0000000..9d20dad
--- /dev/null
+++ b/public/js/pages/register.js
@@ -0,0 +1,69 @@
+const RegisterPage = {
+  captcha: null,
+
+  async render() {
+    try { this.captcha = await API.get('/captcha'); } catch { this.captcha = null; }
+    return `
+      <div class="pub-card wide" style="background:white;border-radius:16px;padding:36px 32px;width:540px;max-width:90vw;box-shadow:0 20px 60px rgba(0,0,0,.35)">
+        <div class="logo"><i class="fas fa-user-plus"></i><h2>注册账号</h2><p>加入MC举报系统</p></div>
+        <form id="reg-form">
+          <div class="grid-2">
+            <div class="form-group"><label>站点用户名 *</label><input id="ru" required placeholder="登录用"></div>
+            <div class="form-group"><label>邮箱 *</label><input type="email" id="re" required placeholder="接收通知"></div>
+          </div>
+          <div class="grid-2">
+            <div class="form-group"><label>游戏名称 *</label><input id="rgn" required placeholder="Minecraft ID"></div>
+            <div class="form-group"><label>游戏UID *</label><input id="rgu" required placeholder="游戏唯一ID"></div>
+          </div>
+          <div class="form-group"><label>密码 *</label><input type="password" id="rp" required placeholder="至少6位"></div>
+          ${this.captcha ? `
+          <div class="form-group" style="display:flex;align-items:center;gap:10px">
+            <div style="flex-shrink:0;background:var(--g100);padding:6px 14px;border-radius:var(--r);font-weight:700;font-size:16px;letter-spacing:1px;user-select:none" id="captcha-q">${this.captcha.question}</div>
+            <input type="text" id="captcha-a" placeholder="输入答案" required style="max-width:100px">
+            <input type="hidden" id="captcha-id" value="${this.captcha.id}">
+          </div>` : ''}
+          <div id="regerr" class="alert alert-e hidden"></div>
+          <div id="regok" class="alert alert-s hidden"></div>
+          <button type="submit" class="btn btn-p btn-lg w-full"><i class="fas fa-user-plus"></i> 注册</button>
+        </form>
+        <div style="margin-top:14px;text-align:center;font-size:13px">
+          <a href="#/login" style="color:var(--p);text-decoration:none">已有账号？登录</a>
+        </div>
+      </div>`;
+  },
+
+  mount() {
+    document.getElementById('reg-form').addEventListener('submit', async e => {
+      e.preventDefault();
+      const btn = e.target.querySelector('button');
+      const err = document.getElementById('regerr');
+      const ok = document.getElementById('regok');
+      err.classList.add('hidden');
+      ok.classList.add('hidden');
+      btn.disabled = true;
+      btn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> 注册中...';
+
+      try {
+        await Auth.register({
+          username: document.getElementById('ru').value.trim(),
+          password: document.getElementById('rp').value,
+          email: document.getElementById('re').value.trim(),
+          game_name: document.getElementById('rgn').value.trim(),
+          game_uid: document.getElementById('rgu').value.trim(),
+          captcha_id: document.getElementById('captcha-id')?.value,
+          captcha_answer: document.getElementById('captcha-a')?.value.trim(),
+        });
+        ok.textContent = '注册成功！请查收验证邮件（如SMTP未配置则自动激活）';
+        ok.classList.remove('hidden');
+        btn.innerHTML = '<i class="fas fa-user-plus"></i> 注册';
+        btn.disabled = false;
+        setTimeout(() => location.hash = '#/login', 3000);
+      } catch (ex) {
+        err.textContent = ex.message;
+        err.classList.remove('hidden');
+        btn.disabled = false;
+        btn.innerHTML = '<i class="fas fa-user-plus"></i> 注册';
+      }
+    });
+  }
+};
diff --git a/public/js/pages/reviews.js b/public/js/pages/reviews.js
new file mode 100644
index 0000000..843bec3
--- /dev/null
+++ b/public/js/pages/reviews.js
@@ -0,0 +1,62 @@
+const ReviewsPage = {
+  async render() {
+    return '<div class="loading"><i class="fas fa-spinner"></i><p>加载中...</p></div>';
+  },
+
+  async mount() {
+    const container = document.getElementById('page-content');
+    document.getElementById('page-title').textContent = '审查管理';
+    document.getElementById('page-actions').innerHTML = '';
+
+    try {
+      const reviews = await API.get('/reviews');
+      this.renderList(container, reviews);
+    } catch (err) {
+      container.innerHTML = `<div class="alert alert-danger">加载失败: ${err.message}</div>`;
+    }
+  },
+
+  renderList(container, reviews) {
+    container.innerHTML = `
+      ${reviews.length === 0 ? `
+        <div class="empty-state">
+          <i class="fas fa-search"></i>
+          <p>暂无审查记录</p>
+        </div>
+      ` : `
+        <div class="card">
+          <div class="table-container">
+            <table>
+              <thead>
+                <tr>
+                  <th>#</th>
+                  <th>关联投诉</th>
+                  <th>状态</th>
+                  <th>审查者</th>
+                  <th>审查意见</th>
+                  <th>创建时间</th>
+                  <th>操作</th>
+                </tr>
+              </thead>
+              <tbody>
+                ${reviews.map(r => `
+                  <tr>
+                    <td>${r.id}</td>
+                    <td><a href="#" onclick="App.navigate('complaint',${r.complaint_id});return false" style="color:var(--primary)">#${r.complaint_id} ${Utils.escapeHtml(r.complaint_title)}</a></td>
+                    <td>${Utils.statusBadge(r.status)}</td>
+                    <td>${r.reviewer_name || '-'}</td>
+                    <td class="text-sm text-muted" style="max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap">${r.review_notes ? Utils.escapeHtml(r.review_notes.slice(0, 50)) : '-'}</td>
+                    <td class="date">${Utils.formatDate(r.created_at)}</td>
+                    <td>
+                      <button class="btn btn-sm btn-outline" onclick="App.navigate('complaint',${r.complaint_id})"><i class="fas fa-eye"></i></button>
+                    </td>
+                  </tr>
+                `).join('')}
+              </tbody>
+            </table>
+          </div>
+        </div>
+      `}
+    `;
+  }
+};
diff --git a/public/js/pages/settings-page.js b/public/js/pages/settings-page.js
new file mode 100644
index 0000000..8f1f55e
--- /dev/null
+++ b/public/js/pages/settings-page.js
@@ -0,0 +1,61 @@
+const SettingsPage = {
+  async render() { return '<div class="loading"><i class="fas fa-spinner"></i></div>'; },
+
+  async mount() {
+    document.getElementById('page-title').textContent = '系统设置';
+    document.getElementById('page-actions').innerHTML = '';
+    try {
+      const settings = await API.get('/settings/settings');
+      const ct = document.getElementById('page-content');
+      ct.innerHTML = `
+        <div class="card"><div class="card-h">站点设置</div><div class="card-b">
+          <form id="site-form">
+            <div class="grid-2"><div class="form-group"><label>站点名称</label><input id="s-name" value="${U.esc(settings.site_name?.value||'')}"></div>
+            <div class="form-group"><label>站点地址</label><input id="s-url" value="${U.esc(settings.site_url?.value||'')}"></div></div>
+            <button type="submit" class="btn btn-p btn-sm"><i class="fas fa-save"></i> 保存站点设置</button>
+          </form>
+        </div></div>
+
+        <div class="card"><div class="card-h">SMTP 邮件设置</div><div class="card-b">
+          <form id="smtp-form">
+            <div class="grid-2"><div class="form-group"><label>SMTP服务器</label><input id="s-host" value="${U.esc(settings.smtp_host?.value||'')}"></div>
+            <div class="form-group"><label>端口</label><input id="s-port" value="${U.esc(settings.smtp_port?.value||'587')}"></div></div>
+            <div class="grid-2"><div class="form-group"><label>用户名</label><input id="s-user" value="${U.esc(settings.smtp_user?.value||'')}"></div>
+            <div class="form-group"><label>密码</label><input type="password" id="s-pass" value="${U.esc(settings.smtp_pass?.value||'')}"></div></div>
+            <div class="grid-2"><div class="form-group"><label>发件地址</label><input id="s-from" value="${U.esc(settings.smtp_from?.value||'')}"></div>
+            <div class="form-group"><label>SSL</label><select id="s-secure"><option value="0" ${settings.smtp_secure?.value!=='1'?'selected':''}>否(587)</option><option value="1" ${settings.smtp_secure?.value==='1'?'selected':''}>是(465)</option></select></div></div>
+            <button type="submit" class="btn btn-p btn-sm"><i class="fas fa-save"></i> 保存SMTP设置</button>
+          </form>
+        </div></div>
+      `;
+
+      document.getElementById('site-form').onsubmit = async e => {
+        e.preventDefault();
+        try {
+          await API.put('/settings/settings', {
+            site_name: {value: document.getElementById('s-name').value, label:'站点名称'},
+            site_url: {value: document.getElementById('s-url').value, label:'站点地址'},
+          });
+          alert('已保存');
+        } catch (ex) { alert(ex.message); }
+      };
+
+      document.getElementById('smtp-form').onsubmit = async e => {
+        e.preventDefault();
+        try {
+          await API.put('/settings/settings', {
+            smtp_host: {value: document.getElementById('s-host').value, label:'SMTP服务器'},
+            smtp_port: {value: document.getElementById('s-port').value, label:'SMTP端口'},
+            smtp_secure: {value: document.getElementById('s-secure').value, label:'SSL'},
+            smtp_user: {value: document.getElementById('s-user').value, label:'SMTP用户名'},
+            smtp_pass: {value: document.getElementById('s-pass').value, label:'SMTP密码'},
+            smtp_from: {value: document.getElementById('s-from').value, label:'发件地址'},
+          });
+          alert('已保存');
+        } catch (ex) { alert(ex.message); }
+      };
+    } catch (e) {
+      document.getElementById('page-content').innerHTML = `<div class="alert alert-e">${e.message}</div>`;
+    }
+  }
+};
diff --git a/public/js/pages/templates.js b/public/js/pages/templates.js
new file mode 100644
index 0000000..7cc9110
--- /dev/null
+++ b/public/js/pages/templates.js
@@ -0,0 +1,48 @@
+const TemplatesPage = {
+  async render() { return '<div class="loading"><i class="fas fa-spinner"></i></div>'; },
+
+  async mount() {
+    document.getElementById('page-title').textContent = '邮件模板';
+    document.getElementById('page-actions').innerHTML = '';
+    await this.load();
+  },
+
+  async load() {
+    const ct = document.getElementById('page-content');
+    try {
+      const templates = await API.get('/settings/email-templates');
+      ct.innerHTML = templates.map(t => `
+        <div class="card"><div class="card-h"><span>${U.esc(t.name)}</span><code class="ts tm">${t.code}</code></div><div class="card-b">
+          <div class="detail-row"><span class="lbl">主题</span><span class="val">${U.esc(t.subject)}</span></div>
+          ${t.description ? `<div class="detail-row"><span class="lbl">说明</span><span class="val tm">${U.esc(t.description)}</span></div>` : ''}
+          <div class="mt-2"><button class="btn btn-p btn-sm" onclick="TemplatesPage.edit('${t.code}', '${U.esc(t.name)}')"><i class="fas fa-edit"></i> 编辑模板</button></div>
+        </div></div>
+      `).join('');
+    } catch (e) { ct.innerHTML = `<div class="alert alert-e">${e.message}</div>`; }
+  },
+
+  async edit(code, name) {
+    try {
+      const t = await API.get(`/settings/email-templates/${code}`);
+      U.modal(`编辑: ${name}`, `
+        <form id="et-form">
+          <div class="form-group"><label>邮件主题</label><input id="et-subject" value="${U.esc(t.subject).replace(/"/g,'&quot;')}" required></div>
+          <div class="form-group"><label>邮件正文 (HTML)</label><textarea id="et-body" rows="14" required>${U.esc(t.body).replace(/"/g,'&quot;')}</textarea></div>
+          <div class="alert alert-i ts">可用变量: ${t.description?.match(/\{\{[^}]+\}\}/g)?.join(', ') || '{{site_name}}'}</div>
+          <div class="modal-f"><button type="button" class="btn btn-o" onclick="App.closeModal()">取消</button><button type="submit" class="btn btn-p">保存</button></div>
+        </form>
+      `, '800px');
+      document.getElementById('et-form').onsubmit = async e => {
+        e.preventDefault();
+        try {
+          await API.put(`/settings/email-templates/${code}`, {
+            subject: document.getElementById('et-subject').value,
+            body: document.getElementById('et-body').value,
+          });
+          App.closeModal();
+          this.load();
+        } catch (ex) { alert(ex.message); }
+      };
+    } catch (e) { alert(e.message); }
+  }
+};
diff --git a/public/js/pages/ticket-create.js b/public/js/pages/ticket-create.js
new file mode 100644
index 0000000..f91f7ec
--- /dev/null
+++ b/public/js/pages/ticket-create.js
@@ -0,0 +1,152 @@
+const TicketCreate = {
+  files: [],
+
+  render(container, { type, prefill, backLink }) {
+    const user = Auth.user();
+    const isReport = type === 'report';
+    const isSuggestion = type === 'suggestion';
+    const isAppeal = type === 'appeal';
+    const typeLabel = isReport ? '举报' : isAppeal ? '申诉' : '建议';
+    this.files = [];
+
+    container.innerHTML = `
+      <form id="ticket-form" enctype="multipart/form-data">
+        <input type="hidden" name="type" value="${type}">
+
+        <div class="card">
+          <div class="card-h">提交${typeLabel}</div>
+          <div class="card-b">
+            <div class="form-group">
+              <label>${typeLabel}标题 *</label>
+              <input name="title" required placeholder="${isReport ? '如：玩家破坏建筑' : isAppeal ? '如：申请解除封禁' : '如：增加领地保护功能'}">
+            </div>
+
+            <div class="grid-2">
+              <div class="form-group">
+                <label>您的游戏名称 *</label>
+                <input name="reporter_game_name" required placeholder="Minecraft ID" value="${U.esc(prefill?.game_name || user?.game_name || '')}" ${prefill?.game_name ? 'readonly' : ''}>
+              </div>
+              <div class="form-group">
+                <label>您的游戏UID *</label>
+                <input name="reporter_game_uid" required placeholder="游戏UID" value="${U.esc(prefill?.game_uid || user?.game_uid || '')}" ${prefill?.game_uid ? 'readonly' : ''}>
+              </div>
+            </div>
+
+            ${isReport ? `
+            <div class="grid-2">
+              <div class="form-group"><label>对方游戏名称 (至少一项)</label><input name="target_game_name" placeholder="被举报者Minecraft ID"></div>
+              <div class="form-group"><label>对方游戏UID (至少一项)</label><input name="target_game_uid" placeholder="被举报者UID"></div>
+            </div>
+            <div class="form-group"><label>举报原因 *</label>
+              <input name="reason" list="reason-list" required placeholder="选择或自行输入举报原因">
+              <datalist id="reason-list">
+                <option value="破坏建筑"><option value="盗窃物品"><option value="外挂作弊">
+                <option value="语言骚扰"><option value="恶意PVP"><option value="利用漏洞">
+                <option value="其他违规"><option value="诈骗"><option value="恶意辱骂">
+              </datalist>
+            </div>
+            <div class="form-group"><label>详细描述</label><textarea name="description" rows="4" placeholder="请详细描述事件经过..."></textarea></div>
+            ` : isAppeal ? `
+            <div class="form-group"><label>申诉理由 *</label><input name="reason" required placeholder="如：误封、证据不足被封、违规行为已纠正等"></div>
+            <div class="form-group"><label>详细说明 *</label><textarea name="description" rows="5" placeholder="请详细说明情况，包括被封时间、可能原因、为什么应解封等..." required></textarea></div>
+            ` : `
+            <div class="form-group"><label>建议内容 *</label><textarea name="description" rows="5" placeholder="请详细描述您的建议..." required></textarea></div>
+            `}
+          </div>
+        </div>
+
+        <div class="card">
+          <div class="card-h">上传文件 (图片/视频，每个最大20MB)</div>
+          <div class="card-b">
+            <div class="file-upload" id="file-drop">
+              <i class="fas fa-cloud-upload-alt"></i>
+              <p>点击选择文件或拖拽到此处</p>
+              <p class="help">支持: JPG/PNG/GIF/WebP/MP4/WebM</p>
+            </div>
+            <input type="file" id="file-input" multiple accept="image/jpeg,image/png,image/gif,image/webp,video/mp4,video/webm" style="display:none">
+            <div class="file-list" id="file-list"></div>
+          </div>
+        </div>
+
+        <div style="display:flex;gap:8px;justify-content:flex-end">
+          ${backLink ? `<button type="button" class="btn btn-o" onclick="${backLink}">返回</button>` : ''}
+          <button type="submit" class="btn btn-p btn-lg"><i class="fas fa-paper-plane"></i> 提交</button>
+        </div>
+      </form>
+    `;
+
+    this.bindFileUpload(container);
+    this.bindSubmit(container, type);
+  },
+
+  bindFileUpload(container) {
+    const drop = container.querySelector('#file-drop');
+    const input = container.querySelector('#file-input');
+    const list = container.querySelector('#file-list');
+
+    drop.onclick = () => input.click();
+    input.onchange = () => this.addFiles(input.files, list);
+    drop.ondragover = e => { e.preventDefault(); drop.style.borderColor = 'var(--p)'; };
+    drop.ondragleave = () => { drop.style.borderColor = 'var(--g300)'; };
+    drop.ondrop = e => {
+      e.preventDefault();
+      drop.style.borderColor = 'var(--g300)';
+      this.addFiles(e.dataTransfer.files, list);
+    };
+  },
+
+  addFiles(fileList, listEl) {
+    const allowed = ['image/jpeg','image/png','image/gif','image/webp','video/mp4','video/webm'];
+    for (const f of fileList) {
+      if (!allowed.includes(f.type)) { alert(`不支持的文件类型: ${f.name}`); continue; }
+      if (f.size > 20 * 1024 * 1024) { alert(`文件过大: ${f.name}`); continue; }
+      if (this.files.length >= 5) { alert('最多5个文件'); break; }
+      this.files.push(f);
+    }
+    this.refreshFileList(listEl);
+  },
+
+  refreshFileList(listEl) {
+    listEl.innerHTML = this.files.map((f, i) => `
+      <div class="file-item">
+        <i class="fas fa-${f.type.startsWith('video') ? 'video' : 'image'}"></i>
+        ${U.esc(f.name)} (${(f.size / 1024 / 1024).toFixed(2)}MB)
+        <button type="button" onclick="TicketCreate.removeFile(${i})"><i class="fas fa-times"></i></button>
+      </div>`).join('');
+  },
+
+  removeFile(i) { this.files.splice(i, 1); this.refreshFileList(document.getElementById('file-list')); },
+
+  async bindSubmit(container, type) {
+    const form = container.querySelector('#ticket-form');
+    form.addEventListener('submit', async e => {
+      e.preventDefault();
+      const fd = new FormData(form);
+
+      if (type === 'report') {
+        const tgn = fd.get('target_game_name');
+        const tgu = fd.get('target_game_uid');
+        if (!tgn && !tgu) { return alert('举报需至少填写对方游戏名或UID之一'); }
+      }
+
+      for (const f of this.files) fd.append('files', f);
+
+      const btn = form.querySelector('[type="submit"]');
+      btn.disabled = true;
+      btn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> 提交中...';
+      try {
+        const res = await API.req('POST', '/tickets', fd);
+        if (res.tracking_token) {
+          document.cookie = `tracking_token=${res.tracking_token};path=/;max-age=${365*24*3600};SameSite=Lax`;
+        }
+        alert('提交成功！工单编号: #' + res.id);
+        if (Auth.logged()) App.navigate('tickets');
+        else App.navigate('home');
+      } catch (ex) {
+        alert(ex.message);
+        btn.disabled = false;
+        btn.innerHTML = '<i class="fas fa-paper-plane"></i> 提交';
+      }
+    });
+  }
+};
diff --git a/public/js/pages/ticket-detail.js b/public/js/pages/ticket-detail.js
new file mode 100644
index 0000000..108a88f
--- /dev/null
+++ b/public/js/pages/ticket-detail.js
@@ -0,0 +1,106 @@
+const TicketDetail = {
+  id: null,
+
+  async render(id) { this.id = id; return '<div class="loading"><i class="fas fa-spinner"></i></div>'; },
+
+  async mount() {
+    const id = this.id;
+    document.getElementById('page-title').textContent = `工单 #${id}`;
+    document.getElementById('page-actions').innerHTML = `<button class="btn btn-o btn-sm" onclick="App.navigate('tickets')"><i class="fas fa-arrow-left"></i> 返回列表</button>`;
+    try { this.render(document.getElementById('page-content'), await API.get(`/tickets/${id}`)); } catch (e) { document.getElementById('page-content').innerHTML = `<div class="alert alert-e">${e.message}</div>`; }
+  },
+
+  render(ct, t) {
+    const isStaff = Auth.isAdmin();
+    const isOwner = Auth.isOwner();
+    const isRep = t.type === 'report';
+    const canClaim = isStaff && (!t.assigned_to || t.status === 'pending');
+    const canTransfer = isStaff && t.assigned_to === Auth.user().id && t.status === 'processing';
+    const isMyTicket = t.assigned_to === Auth.user().id;
+
+    ct.innerHTML = `
+<div class="detail-grid"><div>
+  <div class="card"><div class="card-h"><span>基本信息</span><div>${U.badge(t.status,'status')} ${U.badge(t.type,'type')} ${U.badge(t.priority,'priority')}</div></div><div class="card-b">
+    <div class="detail-row"><span class="lbl">标题</span><span class="val fb">${U.esc(t.title)}</span></div>
+    <div class="detail-row"><span class="lbl">提交者</span><span class="val">${U.esc(t.reporter_game_name)} (UID: ${U.esc(t.reporter_game_uid)})</span></div>
+    ${isRep?`<div class="detail-row"><span class="lbl">被举报人</span><span class="val">${U.esc(t.target_game_name||'?')} (UID: ${U.esc(t.target_game_uid||'?')})</span></div>
+    <div class="detail-row"><span class="lbl">原因</span><span class="val">${U.esc(t.reason)}</span></div>`:''}
+    ${t.description?`<div class="detail-row"><span class="lbl">${isRep?'详情':'建议'}</span><span class="val" style="white-space:pre-wrap">${U.esc(t.description)}</span></div>`:''}
+    <div class="detail-row"><span class="lbl">提交时间</span><span class="val">${U.date(t.created_at)}</span></div>
+    <div class="detail-row"><span class="lbl">更新时间</span><span class="val">${U.date(t.updated_at)}</span></div>
+  </div></div>
+
+  ${t.claim_note?`<div class="card"><div class="card-h">处理备注</div><div class="card-b" style="white-space:pre-wrap">${U.esc(t.claim_note)}</div></div>`:''}
+
+  ${t.attachments?.length?`<div class="card"><div class="card-h">附件 (${t.attachments.length})</div><div class="card-b" style="display:flex;flex-wrap:wrap;gap:10px">
+    ${t.attachments.map(a=>a.mime_type.startsWith('image')?`<a href="/api/uploads/${a.stored_name}" target="_blank"><img src="/api/uploads/${a.stored_name}" style="max-width:150px;max-height:120px;border-radius:6px;border:1px solid var(--g200)" title="${U.esc(a.original_name)}"></a>`:`<a href="/api/uploads/${a.stored_name}" target="_blank" class="btn btn-o btn-sm"><i class="fas fa-video"></i> ${U.esc(a.original_name)}</a>`).join('')}
+  </div></div>`:''}
+
+  <div class="card"><div class="card-h">沟通记录</div><div class="card-b">
+    ${t.responses?.length?`<div class="timeline">${t.responses.map(r=>`<div class="timeline-item ${r.is_staff?'staff':''}"><div class="th"><span class="tn">${U.esc(r.username||'系统')}</span>${r.role?`<span class="badge bg-${r.role}">${U.ROLE[r.role]}</span>`:''}<span>${U.date(r.created_at)}</span></div><div class="tc">${U.esc(r.content)}</div></div>`).join('')}</div>`:'<p class="tm">暂无记录</p>'}
+  </div></div>
+
+  <div class="card"><div class="card-h">${isStaff?'回复 (公开)':'补充信息'}</div><div class="card-b">
+    <form id="reply-form"><div class="form-group"><textarea id="reply-content" rows="3" placeholder="${isStaff?'输入回复内容...':'补充说明...'}" required></textarea></div><button type="submit" class="btn btn-p btn-sm"><i class="fas fa-reply"></i> 发送</button></form>
+  </div></div>
+</div>
+
+<div>
+  <div class="card"><div class="card-h">处理信息</div><div class="card-b">
+    <div class="detail-row"><span class="lbl">提交账号</span><span class="val">${t.submitter?`${U.esc(t.submitter)} (${U.esc(t.user_game_name||'')})`:'匿名'}</span></div>
+    <div class="detail-row"><span class="lbl">负责人</span><span class="val">${t.assignee_name?`<span class="badge bg-admin">${U.esc(t.assignee_name)}</span>`:'<span class="tm">待认领</span>'}</span></div>
+    ${t.claimed_at?`<div class="detail-row"><span class="lbl">认领时间</span><span class="val">${U.date(t.claimed_at)}</span></div>`:''}
+  </div></div>
+
+  ${isStaff?`
+  <div class="card"><div class="card-h">管理操作</div><div class="card-b" style="display:flex;flex-direction:column;gap:6px">
+    ${canClaim?`<button class="btn btn-s btn-sm w-full" onclick="TicketDetail.claimTicket(${t.id})"><i class="fas fa-hand-paper"></i> 接单认领</button>`:''}
+    ${isMyTicket?`<button class="btn btn-p btn-sm w-full" onclick="TicketDetail.editNote(${t.id})"><i class="fas fa-pen"></i> 更新处理备注</button>`:''}
+    ${canTransfer?`<button class="btn btn-w btn-sm w-full" onclick="TicketDetail.transferTicket(${t.id})"><i class="fas fa-exchange-alt"></i> 转单</button>`:''}
+    ${isOwner||isMyTicket?`<button class="btn btn-o btn-sm w-full" onclick="TicketDetail.changeStatus(${t.id})"><i class="fas fa-tag"></i> 变更状态</button>`:''}
+  </div></div>
+  `:''}
+
+  ${t.transfers?.length?`
+  <div class="card"><div class="card-h">转交历史</div><div class="card-b">
+    <div class="timeline">${t.transfers.map(tf=>`<div class="timeline-item"><div class="th"><span class="tn">${U.esc(tf.from_game_name||tf.from_username)}</span><i class="fas fa-arrow-right ts tm"></i><span class="tn">${U.esc(tf.to_game_name||tf.to_username)}</span><span>${U.date(tf.created_at)}</span></div>${tf.reason?`<div class="tc">${U.esc(tf.reason)}</div>`:''}</div>`).join('')}</div>
+  </div></div>`:''}
+</div></div>`;
+
+    document.getElementById('reply-form')?.addEventListener('submit', async e => {
+      e.preventDefault(); const c = document.getElementById('reply-content').value.trim(); if(!c)return;
+      try { await API.post(`/tickets/${id}/response`, {content:c}); this.mount(); } catch(ex){alert(ex.message);}
+    });
+  },
+
+  async claimTicket(id) {
+    U.modal('接单认领', `<form id="claim-form"><div class="form-group"><label>初始回复 (玩家可见)</label><textarea id="claim-reply" rows="3" placeholder="接单时发送给玩家的回复，如：已收到举报，正在核查中..."></textarea></div><div class="form-group"><label>处理备注 (内部)</label><textarea id="claim-note" rows="2" placeholder="内部处理备注，玩家不可见"></textarea></div><div class="modal-f"><button type="button" class="btn btn-o" onclick="App.closeModal()">取消</button><button type="submit" class="btn btn-s"><i class="fas fa-hand-paper"></i> 确认接单</button></div></form>`);
+    document.getElementById('claim-form').onsubmit = async e => { e.preventDefault();
+      try { await API.post(`/tickets/${id}/claim`, {claim_note: document.getElementById('claim-note').value, initial_reply: document.getElementById('claim-reply').value}); App.closeModal(); this.mount(); } catch(ex){alert(ex.message);}
+    };
+  },
+
+  async editNote(id) {
+    const t = await API.get(`/tickets/${id}`);
+    U.modal('更新处理备注', `<form id="note-form"><div class="form-group"><textarea id="upd-note" rows="4">${U.esc(t.claim_note||'')}</textarea></div><div class="modal-f"><button type="button" class="btn btn-o" onclick="App.closeModal()">取消</button><button type="submit" class="btn btn-p">保存</button></div></form>`);
+    document.getElementById('note-form').onsubmit = async e => { e.preventDefault();
+      try { await API.put(`/tickets/${id}`, {claim_note: document.getElementById('upd-note').value}); App.closeModal(); this.mount(); } catch(ex){alert(ex.message);}
+    };
+  },
+
+  async transferTicket(id) {
+    const users = await API.get('/users');
+    const staff = users.filter(u => (u.role==='owner'||u.role==='admin') && u.id !== Auth.user().id);
+    U.modal('转单', `<form id="tf-form"><div class="form-group"><label>转交给</label><select id="tf-to">${staff.map(u=>`<option value="${u.id}">${U.esc(u.game_name||u.username)} (${U.esc(u.username)})</option>`).join('')}</select></div><div class="form-group"><label>转交原因</label><textarea id="tf-reason" rows="2" placeholder="说明转交原因..."></textarea></div><div class="modal-f"><button type="button" class="btn btn-o" onclick="App.closeModal()">取消</button><button type="submit" class="btn btn-w"><i class="fas fa-exchange-alt"></i> 确认转交</button></div></form>`);
+    document.getElementById('tf-form').onsubmit = async e => { e.preventDefault();
+      try { await API.post(`/tickets/${id}/transfer`, {to_user_id: parseInt(document.getElementById('tf-to').value), reason: document.getElementById('tf-reason').value}); App.closeModal(); this.mount(); } catch(ex){alert(ex.message);}
+    };
+  },
+
+  async changeStatus(id) {
+    U.modal('变更状态', `<form id="cs-form"><div class="form-group"><label>新状态</label><select id="cs-status">${Object.entries(U.STATUS).map(([k,v])=>`<option value="${k}">${v}</option>`).join('')}</select></div><div class="modal-f"><button type="button" class="btn btn-o" onclick="App.closeModal()">取消</button><button type="submit" class="btn btn-p">保存</button></div></form>`);
+    document.getElementById('cs-form').onsubmit = async e => { e.preventDefault();
+      try { await API.put(`/tickets/${id}`, {status:document.getElementById('cs-status').value}); App.closeModal(); this.mount(); } catch(ex){alert(ex.message);}
+    };
+  }
+};
diff --git a/public/js/pages/tickets.js b/public/js/pages/tickets.js
new file mode 100644
index 0000000..7c99693
--- /dev/null
+++ b/public/js/pages/tickets.js
@@ -0,0 +1,108 @@
+const TicketsPage = {
+  tab: 'all',
+  filters: {},
+
+  async render() { return '<div class="loading"><i class="fas fa-spinner"></i></div>'; },
+
+  async mount() {
+    document.getElementById('page-title').textContent = '工单列表';
+    document.getElementById('page-actions').innerHTML = `
+      <button class="btn btn-p btn-sm" onclick="App.navigate('tickets','create?type=report')"><i class="fas fa-flag"></i> 举报</button>
+      <button class="btn btn-s btn-sm" onclick="App.navigate('tickets','create?type=suggestion')"><i class="fas fa-lightbulb"></i> 建议</button>
+    `;
+    this.renderLayout();
+    await this.loadTab(this.tab);
+  },
+
+  renderLayout() {
+    const ct = document.getElementById('page-content');
+    const isStaff = Auth.isAdmin();
+    ct.innerHTML = `
+      <div class="tab-nav" id="ticket-tabs">
+        <button data-tab="all" class="active">全部</button>
+        <button data-tab="pending">待认领</button>
+        <button data-tab="claimed">已接单</button>
+        ${Auth.user().role === 'player' ? '<button data-tab="mine">我的工单</button>' : ''}
+      </div>
+      <div class="filter-bar">
+        <select id="ft-type" onchange="TicketsPage.applyFilters()"><option value="">全部类型</option>${Object.entries(U.TYPE).map(([k,v])=>`<option value="${k}">${v}</option>`).join('')}</select>
+        <select id="ft-status" onchange="TicketsPage.applyFilters()"><option value="">全部状态</option>${Object.entries(U.STATUS).map(([k,v])=>`<option value="${k}">${v}</option>`).join('')}</select>
+        <select id="ft-priority" onchange="TicketsPage.applyFilters()"><option value="">全部优先级</option>${Object.entries(U.PRIORITY).map(([k,v])=>`<option value="${k}">${v}</option>`).join('')}</select>
+        <input id="ft-search" placeholder="搜索..." onkeyup="if(event.key==='Enter')TicketsPage.applyFilters()">
+        <button class="btn btn-o btn-sm" onclick="TicketsPage.applyFilters()"><i class="fas fa-search"></i></button>
+        <button class="btn btn-o btn-sm" onclick="TicketsPage.resetFilters()"><i class="fas fa-undo"></i></button>
+      </div>
+      <div id="ticket-list"></div>
+    `;
+
+    document.querySelectorAll('#ticket-tabs button').forEach(btn => {
+      btn.onclick = () => {
+        document.querySelectorAll('#ticket-tabs button').forEach(b => b.classList.remove('active'));
+        btn.classList.add('active');
+        this.tab = btn.dataset.tab;
+        this.loadTab(this.tab);
+      };
+    });
+  },
+
+  async loadTab(tab) {
+    const list = document.getElementById('ticket-list');
+    U.loading(list);
+    try {
+      const params = new URLSearchParams();
+      if (this.filters.type) params.set('type', this.filters.type);
+      if (this.filters.status) params.set('status', this.filters.status);
+      if (this.filters.priority) params.set('priority', this.filters.priority);
+      if (this.filters.search) params.set('search', this.filters.search);
+
+      if (tab === 'pending') params.set('claimed', '0');
+      else if (tab === 'claimed') params.set('claimed', '1');
+      else if (tab === 'mine') params.set('status', '');
+
+      const qs = params.toString();
+      const tickets = await API.get('/tickets' + (qs ? '?' + qs : ''));
+
+      if (tab === 'mine') {
+        this.renderList(list, tickets);
+        return;
+      }
+      this.renderList(list, tickets);
+    } catch (e) { list.innerHTML = `<div class="alert alert-e">${e.message}</div>`; }
+  },
+
+  renderList(ct, tickets) {
+    ct.innerHTML = tickets.length === 0
+      ? `<div class="empty"><i class="fas fa-inbox"></i><p>暂无工单</p></div>`
+      : `<div class="card table-wrap"><table><thead><tr>
+        <th>#</th><th>类型</th><th>标题</th><th>提交者</th><th>对象</th><th>状态</th><th>优先级</th><th>负责人</th><th>时间</th><th>操作</th>
+      </tr></thead><tbody>${tickets.map(t => `
+        <tr>
+          <td>${t.id}</td>
+          <td>${U.badge(t.type,'type')}</td>
+          <td><a href="#" onclick="App.navigate('ticket',${t.id});return false" style="color:var(--p);text-decoration:none;font-weight:600">${U.esc(t.title)}</a></td>
+          <td>${U.esc(t.reporter_game_name)}<br><span class="tm ts">UID:${U.esc(t.reporter_game_uid)}</span></td>
+          <td>${t.target_game_name?`${U.esc(t.target_game_name)}${t.target_game_uid?`<br><span class="tm ts">UID:${U.esc(t.target_game_uid)}</span>`:''}`:'-'}</td>
+          <td>${U.badge(t.status,'status')}</td>
+          <td>${U.badge(t.priority,'priority')}</td>
+          <td>${t.assignee_name?`<span class="badge bg-admin">${U.esc(t.assignee_name)}</span>`:`<span class="tm">待认领</span>`}</td>
+          <td class="ts">${U.date(t.updated_at)}</td>
+          <td><button class="btn btn-o btn-sm" onclick="App.navigate('ticket',${t.id})"><i class="fas fa-eye"></i></button></td>
+        </tr>`).join('')}</tbody></table></div>`;
+  },
+
+  applyFilters() {
+    this.filters = {
+      type: document.getElementById('ft-type').value,
+      status: document.getElementById('ft-status').value,
+      priority: document.getElementById('ft-priority').value,
+      search: document.getElementById('ft-search').value,
+    };
+    this.loadTab(this.tab);
+  },
+
+  resetFilters() {
+    this.filters = {};
+    document.querySelectorAll('.filter-bar select, .filter-bar input').forEach(el => { if (el.tagName === 'SELECT' || el.tagName === 'INPUT') el.value = ''; });
+    this.loadTab(this.tab);
+  }
+};
diff --git a/public/js/pages/tracking.js b/public/js/pages/tracking.js
new file mode 100644
index 0000000..42d2e10
--- /dev/null
+++ b/public/js/pages/tracking.js
@@ -0,0 +1,38 @@
+const TrackingPage = {
+  async render() { return '<div class="loading"><i class="fas fa-spinner"></i></div>'; },
+
+  mount() {
+    const ct = document.getElementById('page-content');
+    document.getElementById('page-title').textContent = '追踪工单';
+    document.getElementById('page-actions').innerHTML = '';
+
+    const token = document.cookie.split('; ').find(r => r.startsWith('tracking_token='))?.split('=')[1] || '';
+
+    ct.innerHTML = `
+      <div class="card"><div class="card-b">
+        <div class="form-group"><label>追踪标识 (从Cookie自动读取)</label><input id="track-token" value="${token}"></div>
+        <button class="btn btn-p" onclick="TrackingPage.search()"><i class="fas fa-search"></i> 查询</button>
+        <div id="track-result" class="mt-4"></div>
+      </div></div>
+    `;
+  },
+
+  async search() {
+    const token = document.getElementById('track-token').value.trim();
+    if (!token) return alert('请输入追踪标识');
+    const ct = document.getElementById('track-result');
+    U.loading(ct);
+    try {
+      const tickets = await API.get(`/tickets/tracking?token=${token}`);
+      ct.innerHTML = tickets.length ? `
+        <div class="table-wrap"><table><thead><tr><th>#</th><th>类型</th><th>标题</th><th>状态</th><th>时间</th></tr></thead><tbody>${tickets.map(t => `
+          <tr>
+            <td>${t.id}</td><td>${U.badge(t.type,'type')}</td>
+            <td><strong>${U.esc(t.title)}</strong></td>
+            <td>${U.badge(t.status,'status')}</td><td class="ts">${U.date(t.created_at)}</td>
+          </tr>`).join('')}</tbody></table></div>
+        <p class="tm ts mt-4">如需获取更详细的跟踪和回复通知，请<a href="#/register" style="color:var(--p)">注册账号</a></p>
+      ` : '<div class="empty"><i class="fas fa-inbox"></i><p>未找到工单</p></div>';
+    } catch (e) { ct.innerHTML = `<div class="alert alert-e">${e.message}</div>`; }
+  }
+};
diff --git a/public/js/pages/unclaimed.js b/public/js/pages/unclaimed.js
new file mode 100644
index 0000000..a36ce4b
--- /dev/null
+++ b/public/js/pages/unclaimed.js
@@ -0,0 +1,69 @@
+const UnclaimedPage = {
+  filters: {},
+
+  async render() { return '<div class="loading"><i class="fas fa-spinner"></i></div>'; },
+
+  async mount() {
+    document.getElementById('page-title').textContent = '待处理工单';
+    document.getElementById('page-actions').innerHTML = '';
+
+    const ct = document.getElementById('page-content');
+    ct.innerHTML = `
+      <div class="filter-bar">
+        <select id="u-type" onchange="UnclaimedPage.applyFilters()"><option value="">全部类型</option>${Object.entries(U.TYPE).map(([k,v])=>`<option value="${k}">${v}</option>`).join('')}</select>
+        <button class="btn btn-o btn-sm" onclick="UnclaimedPage.applyFilters()"><i class="fas fa-filter"></i></button>
+        <button class="btn btn-o btn-sm" onclick="UnclaimedPage.reset()"><i class="fas fa-undo"></i></button>
+      </div>
+      <div id="unclaimed-list"></div>
+    `;
+    await this.load();
+  },
+
+  async load() {
+    const list = document.getElementById('unclaimed-list');
+    U.loading(list);
+    try {
+      const params = new URLSearchParams();
+      if (this.filters.type) params.set('type', this.filters.type);
+      const qs = params.toString();
+      const tickets = await API.get('/tickets/unclaimed' + (qs ? '?' + qs : ''));
+      this.renderList(list, tickets);
+    } catch (e) { list.innerHTML = `<div class="alert alert-e">${e.message}</div>`; }
+  },
+
+  renderList(ct, tickets) {
+    ct.innerHTML = tickets.length === 0
+      ? `<div class="empty"><i class="fas fa-check-circle"></i><p>所有工单已处理完毕</p></div>`
+      : `<div class="card"><div class="card-h"><span>${tickets.length} 个待处理工单</span><span class="ts tm">按状态优先级排序</span></div><div class="table-wrap"><table><thead><tr>
+        <th>#</th><th>类型</th><th>标题</th><th>提交者</th><th>对象/详情</th><th>状态</th><th>优先级</th><th>时间</th><th>操作</th>
+      </tr></thead><tbody>${tickets.map(t => `
+        <tr>
+          <td>${t.id}</td><td>${U.badge(t.type,'type')}</td>
+          <td><a href="#" onclick="App.navigate('ticket',${t.id});return false" style="color:var(--p);text-decoration:none;font-weight:600">${U.esc(t.title)}</a></td>
+          <td>${U.esc(t.reporter_game_name)}<br><span class="tm ts">UID:${U.esc(t.reporter_game_uid)}</span></td>
+          <td>${t.type==='report'?`${U.esc(t.target_game_name||'?')}<br><span class="tm ts">${U.esc(t.reason||'')}</span>`
+            :t.type==='appeal'?`<span class="tm ts">${U.esc(t.reason||'')}</span>`
+            :`<span class="tm ts">${U.esc((t.description||'').substring(0,30))}</span>`}</td>
+          <td>${U.badge(t.status,'status')}</td>
+          <td>${U.badge(t.priority,'priority')}</td>
+          <td class="ts">${U.date(t.created_at)}</td>
+          <td>
+            <button class="btn btn-s btn-sm" onclick="UnclaimedPage.quickClaim(${t.id})"><i class="fas fa-hand-paper"></i> 接单</button>
+            <button class="btn btn-o btn-sm" onclick="App.navigate('ticket',${t.id})"><i class="fas fa-eye"></i></button>
+          </td>
+        </tr>`).join('')}</tbody></table></div></div>`;
+  },
+
+  async quickClaim(id) {
+    U.modal('接单认领', `<form id="qc-form"><div class="form-group"><label>初始回复 (玩家可见)</label><textarea id="qc-reply" rows="3" placeholder="接单时发送给玩家的回复..."></textarea></div><div class="form-group"><label>处理备注 (内部)</label><textarea id="qc-note" rows="2" placeholder="内部备注，玩家不可见"></textarea></div><div class="modal-f"><button type="button" class="btn btn-o" onclick="App.closeModal()">取消</button><button type="submit" class="btn btn-s"><i class="fas fa-hand-paper"></i> 确认接单</button></div></form>`);
+    document.getElementById('qc-form').onsubmit = async e => { e.preventDefault();
+      try { await API.post(`/tickets/${id}/claim`, {claim_note: document.getElementById('qc-note').value, initial_reply: document.getElementById('qc-reply').value}); App.closeModal(); this.load(); } catch(ex){alert(ex.message);}
+    };
+  },
+
+  applyFilters() {
+    this.filters.type = document.getElementById('u-type').value;
+    this.load();
+  },
+  reset() { this.filters = {}; this.load(); }
+};
diff --git a/public/js/pages/users.js b/public/js/pages/users.js
new file mode 100644
index 0000000..cf9cc51
--- /dev/null
+++ b/public/js/pages/users.js
@@ -0,0 +1,84 @@
+const UsersPage = {
+  async render() { return '<div class="loading"><i class="fas fa-spinner"></i></div>'; },
+
+  async mount() {
+    document.getElementById('page-title').textContent = '用户管理';
+    document.getElementById('page-actions').innerHTML = '<button class="btn btn-p btn-sm" onclick="UsersPage.createUser()"><i class="fas fa-user-plus"></i> 添加用户</button>';
+    await this.load();
+  },
+
+  async load() {
+    const ct = document.getElementById('page-content');
+    try {
+      const users = await API.get('/users');
+      ct.innerHTML = `
+        <div class="card table-wrap"><table><thead><tr>
+          <th>#</th><th>用户名</th><th>邮箱</th><th>游戏名</th><th>游戏UID</th><th>角色</th><th>状态</th><th>时间</th><th>操作</th>
+        </tr></thead><tbody>${users.map(u => `
+          <tr>
+            <td>${u.id}</td><td>${U.esc(u.username)}</td><td>${U.esc(u.email)}</td>
+            <td>${U.esc(u.game_name)}</td><td>${U.esc(u.game_uid)}</td>
+            <td>${U.badge(u.role,'role')}</td>
+            <td>${u.active ? '<span class="badge bg-resolved">启用</span>' : '<span class="badge bg-rejected">禁用</span>'}</td>
+            <td class="ts">${U.date(u.created_at)}</td>
+            <td><button class="btn btn-o btn-sm" onclick="UsersPage.editUser(${u.id}, '${U.esc(u.username)}', '${U.esc(u.email)}', '${U.esc(u.game_name)}', '${U.esc(u.game_uid)}', '${u.role}', ${u.active})"><i class="fas fa-edit"></i></button></td>
+          </tr>`).join('')}</tbody></table></div>
+      `;
+    } catch (e) { ct.innerHTML = `<div class="alert alert-e">${e.message}</div>`; }
+  },
+
+  createUser() {
+    U.modal('添加用户', `
+      <form id="cu-form">
+        <div class="grid-2"><div class="form-group"><label>用户名 *</label><input id="cu-u" required></div><div class="form-group"><label>密码 *</label><input type="password" id="cu-p" required minlength="6"></div></div>
+        <div class="grid-2"><div class="form-group"><label>邮箱 *</label><input type="email" id="cu-e" required></div><div class="form-group"><label>角色 *</label><select id="cu-r"><option value="owner">服主</option><option value="admin">管理员</option><option value="player">玩家</option></select></div></div>
+        <div class="grid-2"><div class="form-group"><label>游戏名 *</label><input id="cu-gn" required></div><div class="form-group"><label>游戏UID *</label><input id="cu-gu" required></div></div>
+        <div class="modal-f"><button type="button" class="btn btn-o" onclick="App.closeModal()">取消</button><button type="submit" class="btn btn-p">创建</button></div>
+      </form>
+    `);
+    document.getElementById('cu-form').onsubmit = async e => {
+      e.preventDefault();
+      try {
+        await API.post('/users', {
+          username: document.getElementById('cu-u').value,
+          password: document.getElementById('cu-p').value,
+          email: document.getElementById('cu-e').value,
+          role: document.getElementById('cu-r').value,
+          game_name: document.getElementById('cu-gn').value,
+          game_uid: document.getElementById('cu-gu').value,
+        });
+        App.closeModal();
+        this.load();
+      } catch (ex) { alert(ex.message); }
+    };
+  },
+
+  editUser(id, username, email, gameName, gameUid, role, active) {
+    U.modal('编辑用户', `
+      <form id="eu-form">
+        <div class="form-group"><label>用户名</label><input value="${username}" disabled style="background:var(--g100)"></div>
+        <div class="grid-2"><div class="form-group"><label>邮箱</label><input type="email" id="eu-e" value="${email}"></div><div class="form-group"><label>角色</label><select id="eu-r">${['owner','admin','player'].map(r=>`<option value="${r}" ${r===role?'selected':''}>${U.ROLE[r]}</option>`).join('')}</select></div></div>
+        <div class="grid-2"><div class="form-group"><label>游戏名</label><input id="eu-gn" value="${gameName}"></div><div class="form-group"><label>游戏UID</label><input id="eu-gu" value="${gameUid}"></div></div>
+        <div class="grid-2"><div class="form-group"><label>新密码(留空不变)</label><input type="password" id="eu-p"></div><div class="form-group"><label>状态</label><select id="eu-a"><option value="1" ${active?'selected':''}>启用</option><option value="0" ${!active?'selected':''}>禁用</option></select></div></div>
+        <div class="modal-f"><button type="button" class="btn btn-o" onclick="App.closeModal()">取消</button><button type="submit" class="btn btn-p">保存</button></div>
+      </form>
+    `);
+    document.getElementById('eu-form').onsubmit = async e => {
+      e.preventDefault();
+      const data = {
+        email: document.getElementById('eu-e').value,
+        role: document.getElementById('eu-r').value,
+        game_name: document.getElementById('eu-gn').value,
+        game_uid: document.getElementById('eu-gu').value,
+        active: document.getElementById('eu-a').value === '1',
+      };
+      const pw = document.getElementById('eu-p').value;
+      if (pw) data.password = pw;
+      try {
+        await API.put(`/users/${id}`, data);
+        App.closeModal();
+        this.load();
+      } catch (ex) { alert(ex.message); }
+    };
+  }
+};
diff --git a/public/js/utils.js b/public/js/utils.js
new file mode 100644
index 0000000..7b9f381
--- /dev/null
+++ b/public/js/utils.js
@@ -0,0 +1,59 @@
+const U = {
+  STATUS: { pending:'待处理', processing:'处理中', awaiting_info:'待补充', resolved:'已解决', rejected:'已驳回', closed:'已关闭' },
+  TYPE: { report:'举报', suggestion:'建议', appeal:'申诉' },
+  ROLE: { owner:'服主', admin:'管理员', player:'玩家' },
+  PRIORITY: { low:'低', medium:'中', high:'高', urgent:'紧急' },
+
+  badge(s, t) {
+    if (t === 'status') return `<span class="badge bg-${s}">${this.STATUS[s]||s}</span>`;
+    if (t === 'type') return `<span class="badge bg-${s}">${this.TYPE[s]||s}</span>`;
+    if (t === 'role') return `<span class="badge bg-${s}">${this.ROLE[s]||s}</span>`;
+    if (t === 'priority') return `<span class="badge bg-${s}">${this.PRIORITY[s]||s}</span>`;
+    return s;
+  },
+
+  date(d) {
+    if (!d) return '-';
+    const dt = new Date(d);
+    if (isNaN(dt.getTime())) return d;
+    const p = n => String(n).padStart(2, '0');
+    return `${dt.getFullYear()}-${p(dt.getMonth()+1)}-${p(dt.getDate())} ${p(dt.getHours())}:${p(dt.getMinutes())}`;
+  },
+
+  esc(s) {
+    if (!s) return '';
+    return String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;');
+  },
+
+  showAlert(containerId, type, msg) {
+    const ct = document.getElementById(containerId || 'page-content');
+    const el = document.createElement('div');
+    el.className = `alert alert-${type === 'success' ? 's' : type === 'error' ? 'e' : 'i'}`;
+    el.textContent = msg;
+    ct.prepend(el);
+    setTimeout(() => el.remove(), 6000);
+  },
+
+  loading(ct) { ct.innerHTML = '<div class="loading"><i class="fas fa-spinner"></i><p>加载中...</p></div>'; },
+
+  modal(title, html, w) {
+    const o = document.getElementById('modal-overlay');
+    document.getElementById('modal-title').textContent = title;
+    document.getElementById('modal-body').innerHTML = html;
+    if (w) o.querySelector('.modal-box').style.width = w;
+    o.classList.remove('hidden');
+  },
+
+  confirm(msg) {
+    return new Promise(resolve => {
+      this.modal('确认', `
+        <p>${msg}</p>
+        <div class="modal-f"><button class="btn btn-o btn-confirm-cancel">取消</button><button class="btn btn-p btn-confirm-ok">确认</button></div>
+      `);
+      setTimeout(() => {
+        document.querySelector('.btn-confirm-cancel')?.addEventListener('click', () => { App.closeModal(); resolve(false); });
+        document.querySelector('.btn-confirm-ok')?.addEventListener('click', () => { App.closeModal(); resolve(true); });
+      }, 50);
+    });
+  }
+};