refactor: 移除条件编译，专注于微信小程序端

- config.vue: 使用原生picker替代u-picker，删除不需要的代码
- detail.vue: 使用原生input和picker，恢复搜索功能
- 添加form-input样式，统一输入框外观
- 移除所有条件编译，简化代码结构

pages/config/config.vue

@@ -23,27 +23,8 @@
 
       <view class="form-item">
         <text class="label">选择逻辑模板</text>
-        <!-- #ifdef H5 || APP-PLUS -->
-        <u-picker
-          :show="showStrategyPicker"
-          :columns="[strategies.map(s => s.name)]"
-          keyName="name"
-          @confirm="onStrategyPickerConfirm"
-          @cancel="showStrategyPicker = false"
-        >
-          <view class="picker-box" @click="showStrategyPicker = true">
-            <view class="flex-row items-center gap-2" v-if="selectedStrategy">
-              <view class="strategy-dot" :style="{ backgroundColor: selectedStrategy.color }"></view>
-              <text class="picker-text">{{ selectedStrategy.name }}</text>
-            </view>
-            <text class="picker-placeholder" v-else>点击选择逻辑规则</text>
-            <u-icon name="arrow-down" size="14" color="#9CA3AF"></u-icon>
-          </view>
-        </u-picker>
-        <!-- #endif -->
-        <!-- #ifdef MP-WEIXIN -->
         <picker @change="onStrategyChange" :value="strategyIndex" :range="strategies" range-key="name">
-          <view class="picker-box" @click="showStrategyPicker = true">
+          <view class="picker-box">
             <view class="flex-row items-center gap-2" v-if="selectedStrategy">
               <view class="strategy-dot" :style="{ backgroundColor: selectedStrategy.color }"></view>
               <text class="picker-text">{{ selectedStrategy.name }}</text>
@@ -52,34 +33,17 @@
             <uni-icons type="bottom" size="14" color="#9CA3AF"></uni-icons>
           </view>
         </picker>
-        <!-- #endif -->
         <text class="helper-text" v-if="selectedStrategy">{{ selectedStrategy.desc }}</text>
       </view>
 
       <view class="form-item">
         <text class="label">组合币种</text>
-        <!-- #ifdef H5 || APP-PLUS -->
-        <u-picker
-          :show="showCurrencyPicker"
-          :columns="[currencyList.map(c => c.name)]"
-          keyName="name"
-          @confirm="onCurrencyPickerConfirm"
-          @cancel="showCurrencyPicker = false"
-        >
-          <view class="picker-box" @click="showCurrencyPicker = true">
-            <text class="picker-text">{{ currencyList[currencyIndex].name }}</text>
-            <u-icon name="arrow-down" size="14" color="#9CA3AF"></u-icon>
-          </view>
-        </u-picker>
-        <!-- #endif -->
-        <!-- #ifdef MP-WEIXIN -->
         <picker @change="onCurrencyChange" :value="currencyIndex" :range="currencyList" range-key="name">
-          <view class="picker-box" @click="showCurrencyPicker = true">
+          <view class="picker-box">
             <text class="picker-text">{{ currencyList[currencyIndex].name }}</text>
             <uni-icons type="bottom" size="14" color="#9CA3AF"></uni-icons>
           </view>
         </picker>
-        <!-- #endif -->
         <text class="helper-text">创建后币种不可修改，所有交易只能使用该币种</text>
       </view>
     </view>
@@ -210,14 +174,9 @@ const currencyList = ref([
 ]);
 const currencyIndex = ref(0); // 默认CNY
 
-// Picker 控制变量
-const showStrategyPicker = ref(false);
-const showCurrencyPicker = ref(false);
-
 // 小程序原生 picker 事件处理
 const onStrategyChange = (e) => {
   strategyIndex.value = e.detail.value;
-  showStrategyPicker.value = false;
   
   // 调用原有的策略变更逻辑
   const strategy = strategies.value[strategyIndex.value];
@@ -235,7 +194,6 @@ const onStrategyChange = (e) => {
 
 const onCurrencyChange = (e) => {
   currencyIndex.value = e.detail.value;
-  showCurrencyPicker.value = false;
 };
 
 // 防止重复请求的标志
@@ -346,32 +304,6 @@ const onDateChange = (e, index) => {
   form.value.stocks[index].date = e.detail.value;
 };
 
-// u-picker 确认方法
-const onStrategyPickerConfirm = (e) => {
-  const { value, index } = e;
-  strategyIndex.value = index[0];
-  showStrategyPicker.value = false;
-  
-  // 调用原有的策略变更逻辑
-  const strategy = strategies.value[strategyIndex.value];
-  if (strategy && strategy.parameters && strategy.parameters.assets) {
-    form.value.stocks = strategy.parameters.assets.map(asset => ({
-      name: asset.symbol,
-      price: '',
-      amount: '',
-      date: ''
-    }));
-  } else {
-    form.value.stocks = [{ name: '', price: '', amount: '', date: '' }];
-  }
-};
-
-const onCurrencyPickerConfirm = (e) => {
-  const { value, index } = e;
-  currencyIndex.value = index[0];
-  showCurrencyPicker.value = false;
-};
-
 const submitForm = async () => {
   if (!form.value.name) {
     proxy?.$refs.uToastRef?.show({

pages/detail/detail.vue

@@ -249,32 +249,14 @@
           <view class="form-item">
             <text class="form-label">{{ transactionType === 'sell' ? '选择持仓' : '股票代码' }}</text>
             <view class="relative">
-              <!-- #ifdef H5 || APP-PLUS -->
+              <input 
-              <u-input 
                 v-model="transactionForm.stockCode"
+                class="stock-input"
                 :placeholder="transactionType === 'sell' ? '点击选择要卖出的持仓' : '请输入股票代码搜索'"
                 :disabled="transactionType === 'sell'"
-                :border="false"
-                :customStyle="{ 
-                  backgroundColor: '#F9FAFB', 
-                  borderRadius: '16rpx', 
-                  height: '80rpx', 
-                  padding: '0 20rpx', 
-                  border: '2rpx solid #E5E7EB',
-                  fontSize: '28rpx',
-                  color: '#1F2937'
-                }"
                 @input="onStockInput"
                 @click="handleStockInputClick"
               />
-              <!-- #endif -->
-              <!-- #ifdef MP-WEIXIN -->
-              <input 
-                v-model="transactionForm.stockCode"
-                placeholder="请输入股票代码"
-              />
-              <!-- #endif -->
-              <!-- #ifdef H5 || APP-PLUS -->
               <!-- 搜索下拉列表 -->
               <view class="search-dropdown" v-if="searchResults.length > 0">
                 <view 
@@ -293,54 +275,37 @@
                   </view>
                 </view>
               </view>
-              <!-- #endif -->
             </view>
           </view>
           
           <view class="form-item">
             <text class="form-label">数量{{ transactionType === 'sell' && maxSellAmount > 0 ? ` (最多可卖 ${maxSellAmount} 份)` : '' }}</text>
-            <u-input 
+            <input 
               v-model="transactionForm.amount" 
               type="number" 
+              class="form-input"
               :placeholder="transactionType === 'sell' && maxSellAmount > 0 ? `请输入数量，不超过 ${maxSellAmount}` : '请输入数量'"
-              :border="false"
-              :customStyle="{ backgroundColor: '#F9FAFB', borderRadius: '16rpx', height: '80rpx', padding: '0 20rpx', border: '2rpx solid #E5E7EB' }"
             />
           </view>
           
           <view class="form-item">
             <text class="form-label">价格</text>
-            <u-input 
+            <input 
               v-model="transactionForm.price" 
               type="digit" 
+              class="form-input"
               placeholder="请输入价格"
-              :border="false"
-              :customStyle="{ backgroundColor: '#F9FAFB', borderRadius: '16rpx', height: '80rpx', padding: '0 20rpx', border: '2rpx solid #E5E7EB' }"
             />
           </view>
           
           <view class="form-item">
             <text class="form-label">交易时间</text>
-            <!-- #ifdef H5 || APP-PLUS -->
-            <u-datetime-picker
-              v-model="transactionForm.dateTimestamp"
-              mode="date"
-              @confirm="onDateChange"
-            >
-              <view class="form-select">
-                <text>{{ transactionForm.transactionDate || '请选择日期' }}</text>
-                <u-icon name="arrow-down" size="14" color="#9CA3AF"></u-icon>
-              </view>
-            </u-datetime-picker>
-            <!-- #endif -->
-            <!-- #ifdef MP-WEIXIN -->
             <picker mode="date" :value="transactionForm.transactionDate" @change="onDateChange">
               <view class="form-select">
                 <text>{{ transactionForm.transactionDate || '请选择日期' }}</text>
                 <uni-icons type="bottom" size="14" color="#9CA3AF"></uni-icons>
               </view>
             </picker>
-            <!-- #endif -->
           </view>
           
           <view class="form-item">
@@ -464,7 +429,6 @@ const searchResults = ref([]);
 const searchTimer = ref(null);
 
 const handleStockInputClick = () => {
-  // #ifdef H5 || APP-PLUS
   if (transactionType.value === 'sell') {
     searchResults.value = positions.value.map(pos => ({
       ticker: pos.stockCode,
@@ -480,14 +444,9 @@ const handleStockInputClick = () => {
 };
 
 const onStockInput = (e) => {
-  // #ifdef H5 || APP-PLUS
   const keyword = e.detail.value;
   console.log('🔍 股票输入:', keyword);
   searchStock(keyword);
-  // #endif
-  // #ifdef MP-WEIXIN
-  // 小程序中不触发搜索，直接输入代码
-  // #endif
 };
 
 const searchStock = async (keyword) => {
@@ -961,9 +920,28 @@ const deletePortfolio = async () => {
   margin-bottom: 12rpx;
 }
 
-/* .stock-input 已替换为 u-input，样式已通过 customStyle 设置 */
 .stock-input {
-  /* 样式已内联设置 */
+  width: 100%;
+  height: 80rpx;
+  background-color: #F9FAFB;
+  border: 2rpx solid #E5E7EB;
+  border-radius: 16rpx;
+  padding: 0 20rpx;
+  font-size: 28rpx;
+  color: #1F2937;
+  box-sizing: border-box;
+}
+
+.form-input {
+  width: 100%;
+  height: 80rpx;
+  background-color: #F9FAFB;
+  border: 2rpx solid #E5E7EB;
+  border-radius: 16rpx;
+  padding: 0 20rpx;
+  font-size: 28rpx;
+  color: #1F2937;
+  box-sizing: border-box;
 }
 
 .form-select {