feat: 汉字每天打卡基本完成，细节还待优化

miniprogram/chinesePages/handwritingSheet/handwritingSheet.wxml

@@ -11,13 +11,38 @@
             bind:refresh="onPreviewRefresh"
             bind:favorite="onPreviewFavorite" />
 
+        <view class="cb-section">
+            <text class="cb-section-title">练习类型</text>
+            <view class="cb-mode-grid">
+                <view
+                    wx:for="{{modeOptions}}"
+                    wx:key="id"
+                    class="cb-mode-card {{currentMode === item.id ? 'cb-mode-card--active' : ''}}"
+                    data-id="{{item.id}}"
+                    hover-class="cb-mode-card--pressed"
+                    hover-start-time="0"
+                    hover-stay-time="70"
+                    bindtap="onSelectMode">
+                    <toy-icon
+                        name="{{item.icon}}"
+                        size="42rpx"
+                        color="{{currentMode === item.id ? '#453900' : '#605b50'}}"
+                        custom-class="cb-mode-card__icon" />
+                    <text class="cb-mode-card__label">{{item.title}}</text>
+                    <text class="cb-mode-card__desc">{{item.subtitle}}</text>
+                </view>
+            </view>
+        </view>
+
         <view class="cb-section">
             <text class="cb-section-title">内容设置</text>
             <view class="cb-content-panel">
-                <view class="cb-field">
+                <view wx:if="{{showCustomPanel}}" class="cb-field">
                     <view class="cb-field-header">
                         <text class="cb-field-label">自定义文字</text>
-                        <text class="cb-field-hint">最多输入11个字</text>
+                        <text class="cb-field-hint"
+                            >最多输入{{pickerMax}}个字</text
+                        >
                     </view>
                     <view class="cb-input-wrapper">
                         <input
@@ -42,7 +67,9 @@
 
                 <view class="cb-field">
                     <view class="cb-field-header">
-                        <text class="cb-field-label">已选文字</text>
+                        <text class="cb-field-label"
+                            >已选文字 ({{words.length}}/{{pickerMax}})</text
+                        >
                         <text class="cb-field-hint">点击文字可删除</text>
                     </view>
                     <scroll-view scroll-x class="cb-word-scroll">
@@ -123,7 +150,7 @@
     show="{{showSelectWordPopup}}"
     selectedWords="{{selectedWords}}"
     currentTab="{{pickerCurrentTab}}"
-    max="11"
+    max="{{pickerMax}}"
     bind:onClose="closeSelectWordPopup"
     bind:onChange="onChangeWord" />