feat: 签约宝按钮比例、报价附件必填提示，隐藏微信登录并更新favicon

Co-authored-by: Cursor <cursoragent@cursor.com>

pages/public/sign.vue

@@ -18,9 +18,9 @@
               <u-button size="max" type="primary" @click.native="dialogVisible = true"
                         :custom-style="{padding: 0, width: '100%'}">立即购买</u-button>
             </view>
-            <view class="qyb-log-action ml-25">
+            <view class="qyb-log-action">
               <u-button size="max" type="success" @click.native="openLog"
-                        :custom-style="{padding: 0, width: '100%'}">明细</u-button>
+                        :custom-style="{padding: 0, width: '100%'}">明细查询</u-button>
             </view>
           </view>
         </view>
@@ -871,14 +871,16 @@ page {
 
 .qyb-action-row {
   width: 100%;
+  gap: 16rpx;
 }
 
 .qyb-buy-action {
-  flex: 0 0 28%;
+  flex: 0 0 72%;
 }
 
 .qyb-log-action {
   flex: 1;
+  min-width: 0;
 }
 
 .ai-float-btn {