style(scan-checkin-detail): 调整扫码打卡详情页样式并更新模拟数据

修改页面容器的内边距与背景色，将操作按钮栏固定至页面底部并适配iOS安全区域；新增大量模拟折扣描述文本以测试长文本场景，同时更新模拟文件的最后编辑时间

 .scan-checkin-detail-page {
   min-height: 100vh;
-  padding: 0 0 60rpx;
-  background: #f2f4f7;
+  padding: 0 0 240rpx;
+  background: #ebeaec;
   box-sizing: border-box;
 }
 
@@ -112,9 +112,14 @@
 }
 
 .scan-checkin-detail-button-wrap {
+  position: fixed;
+  left: 24rpx;
+  right: 24rpx;
+  bottom: calc(84rpx + constant(safe-area-inset-bottom));
+  bottom: calc(84rpx + env(safe-area-inset-bottom));
   display: flex;
   justify-content: center;
-  margin-top: 48rpx;
+  z-index: 20;
 }
 
 .scan-checkin-detail-button {

 /*
  * @Date: 2026-05-19 14:40:21
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2026-05-19 15:25:07
+ * @LastEditTime: 2026-05-19 17:57:08
  * @FilePath: /lls_program/src/utils/mockQrCheckin.js
  * @Description: 文件描述
  */
@@ -40,7 +40,7 @@ const mockScanCheckinPoints = [
       'https://cdn.ipadbiz.cn/lls_prog/images/check_detail_img.png?imageMogr2/strip/quality/60',
     discountTitle: '打卡点专属优惠',
     discountContent:
-      '<p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">现场互动完成后可领取康养手册 1 份。</p><p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">指定商品现场下单可享专属立减优惠。</p>',
+      '<p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">现场互动完成后可领取康养手册 1 份。</p><p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">指定商品现场下单可享专属立减优惠。</p><p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">指定商品现场下单可享专属立减优惠。</p><p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">指定商品现场下单可享专属立减优惠。</p><p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">指定商品现场下单可享专属立减优惠。</p><p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">指定商品现场下单可享专属立减优惠。</p><p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">指定商品现场下单可享专属立减优惠。</p><p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">指定商品现场下单可享专属立减优惠。</p><p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">指定商品现场下单可享专属立减优惠。</p><p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">指定商品现场下单可享专属立减优惠。</p><p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">指定商品现场下单可享专属立减优惠。</p><p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">指定商品现场下单可享专属立减优惠。</p><p style="margin: 0 0 20rpx; line-height: 1.8; color: #4b5563; font-size: 30rpx;">指定商品现场下单可享专属立减优惠。</p>',
   },
 ]