first commit

miniprogram/components/bottom-modal/bottom-modal.wxml

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+<view wx:if="{{visible}}" class="modal-overlay bottom-modal" bindtap="onHideModal">
+  <view 
+    class="modal-container {{animationClass}} {{modalContentClass}}" 
+    style="height: {{containerHeight}}; transform: translateY({{initialTranslate}});"
+    bindtouchstart="onTouchStart"
+    bindtouchmove="onTouchMove"
+    bindtouchend="onTouchEnd"
+    catchtap="preventTouchMove"
+  >
+    <!-- 拖动指示器 -->
+    <view class="modal-handle"></view>
+    
+    <!-- 内容区域（使用slot让父组件可以自定义内容） -->
+    <slot></slot>
+    
+    <!-- 关闭按钮 -->
+    <view class="modal-close" bindtap="onHideModal">×</view>
+  </view>
+</view>