美化了样式

pages/personCenter/component/modifyNamePop/modifyNamePop.wxml

@@ -0,0 +1,15 @@
+<view wx:if="{{show}}" class="popup-mask">
+  <view class="popup-container">
+    <text class="popup-title">修改昵称</text>
+    <input 
+      class="popup-input" 
+      placeholder="请输入新的昵称" 
+      value="{{nickname}}"
+      bindinput="onInput"
+    />
+    <view class="popup-btns">
+      <button class="btn cancel-btn" bindtap="onCancel">取消</button>
+      <button class="btn confirm-btn" bindtap="onConfirm">确定</button>
+    </view>
+  </view>
+</view>