refactor: 拆分通用资金工具为国信和华泰证券专属版本

- 移除原通用funds工具代码与配置
- 新增国信证券、华泰证券专属资金工具页面、样式与逻辑
- 为两个工具添加独立的鉴权配置
- 更新导航菜单，将原通用入口替换为两个券商专属入口
- 新增对应券商的SVG图标文件

public/tools/funds_guoxin/index.html

@@ -0,0 +1,103 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  <title>国信证券 · 本金变动池</title>
+  <link rel="icon" href="/icons/funds_guoxin.svg" type="image/svg+xml" />
+  <link rel="stylesheet" href="/common/common.css" />
+  <link rel="stylesheet" href="/tools/funds_guoxin/funds_guoxin.css" />
+  
+  <!-- 吉祥字体 -->
+  <link href="https://fonts.googleapis.com/css2?family=Ma+Shan+Zheng&family=TsangerYuMo&display=swap" rel="stylesheet">
+  
+  <!-- 吉祥装饰图标 -->
+  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css">
+</head>
+<body>
+  <!-- 吉祥背景装饰 -->
+  <div class="lucky-bg">
+    <div class="gold-coin coin-1">💰</div>
+    <div class="gold-coin coin-2">💰</div>
+    <div class="gold-coin coin-3">💰</div>
+    <div class="gold-coin coin-4">💰</div>
+    
+    <!-- 右上角灯笼 -->
+    <div class="lucky-lantern right">
+      <i class="fas fa-gift" style="color: #C1272D;"></i>
+      <div class="lantern-tassel"></div>
+    </div>
+    
+    <!-- 左上角灯笼 -->
+    <div class="lucky-lantern left">
+      <i class="fas fa-gift" style="color: #C1272D;"></i>
+      <div class="lantern-tassel"></div>
+    </div>
+  </div>
+  
+  <main class="container">
+    <!-- 吉祥标题 -->
+    <div class="lucky-header">
+      <h1>💰 国信证券 · 本金变动池</h1>
+      <p class="lucky-subtitle">记录每一分财富的来去，汇聚八方财源</p>
+    </div>
+    <section class="toolbar">
+      <input id="date-start" type="date" />
+      <input id="date-end" type="date" />
+      <select id="type-filter">
+        <option value="all">全部</option>
+        <option value="in">汇入</option>
+        <option value="out">汇出</option>
+      </select>
+      <input id="kw" type="text" placeholder="银行/备注检索" />
+      <button id="btn-load" class="btn">查询</button>
+      <button id="btn-export" class="btn">导出CSV</button>
+      <button id="btn-settings" class="btn">设置</button>
+    </section>
+    <div id="funds-guoxin-status" class="status" style="display:none"></div>
+
+    <section class="add-bar">
+      <input id="new-date" type="date" required />
+      <select id="new-type" required>
+        <option value="in">汇入</option>
+        <option value="out">汇出</option>
+      </select>
+      <input id="new-amount" type="text" placeholder="金额（人民币），如 20,000.00 或 -5000" required />
+      <input id="new-bank" type="text" placeholder="银行方/状态" required />
+      <input id="new-remark" type="text" placeholder="备注" required />
+      <button id="btn-add" class="btn">新增</button>
+    </section>
+
+    <section class="stats" id="stats"></section>
+
+    <section class="table-wrap">
+      <table class="flows" id="flows">
+        <thead>
+          <tr>
+            <th>日期</th>
+            <th>类型</th>
+            <th>金额（人民币）</th>
+            <th>银行方/状态</th>
+            <th>期末金额</th>
+            <th>备注</th>
+            <th>操作</th>
+          </tr>
+        </thead>
+        <tbody id="flows-body"></tbody>
+      </table>
+    </section>
+
+    <section class="debug" id="funds-guoxin-debug" style="display:none">
+      <div class="debug-actions">
+        <button id="fd-btn-copy" class="btn">复制调试信息</button>
+        <button id="fd-btn-refresh" class="btn">刷新</button>
+        <button id="fd-btn-clear" class="btn">清空</button>
+      </div>
+      <div id="fd-output" class="debug-output"></div>
+    </section>
+  </main>
+
+  <script src="/common/common.js"></script>
+  <script src="/tools/funds_guoxin/funds_guoxin.js"></script>
+</body>
+</html>