refactor: remove registration page and update login UI with agreement checkbox

pages/login/index.wxml

@@ -1,14 +1,25 @@
 <!--pages/login/index.wxml-->
 <header isHistory="{{true}}" isGoHome="{{isGoHome}}"></header>
+
 <view class='container' wx:if="{{!isLogin}}">
-  <button class='login-btn' bindtap='loginClick'>登录</button>
-  <button class='register-btn' bindtap='registerClick'>注册</button>
-  <view class='line-between'>
-    <view class='line-between-text'>快速微信登录</view>
+  <view class="auth-box">
+    <image class="app-logo" src="../../images/45@3x.png"></image>
+    <view class="auth-tip">欢迎登录智慧云馆</view>
   </view>
-  <view class='wechat-btn'>
-    <image src='../../images/47@3x.png' bindtap='wxLogin'></image>
+
+  <view class='agreement'>
+    <checkbox-group bindchange="checkboxChange">
+      <checkbox value="agree" checked="{{isAgree}}" color="#ffda2e"/>
+    </checkbox-group>
+    <view class="agreement-text">
+      我已阅读并同意<text class="protocol" catchtap='pushAgreement'>《智慧云馆服务条款》及《隐私政策》</text>
+    </view>
   </view>
+
+  <!-- 手机号一键授权登录/注册 -->
+  <button class='login-btn' open-type="getPhoneNumber" bindgetphonenumber="onGetPhoneNumber">微信授权并登录</button>
+  
 </view>
 
 <view class='unclick-mask' wx:if="{{showUnclickMask}}"></view>
+