这一版本优化了很多

unpackage/dist/dev/mp-weixin/pages/hiddendanger/rectification.wxss

@@ -127,6 +127,7 @@
 .user-popup .popup-footer.data-v-f18ba0ce {
   display: flex;
   border-top: 1rpx solid #eee;
+  padding-bottom: env(safe-area-inset-bottom);
 }
 .user-popup .popup-footer button.data-v-f18ba0ce {
   flex: 1;
@@ -144,4 +145,68 @@
 }
 .user-popup .popup-footer .btn-confirm.data-v-f18ba0ce {
   color: #fff;
+}
+.signature-box.data-v-f18ba0ce {
+  width: 100%;
+  min-height: 240rpx;
+  background: #f8f8f8;
+  border: 1rpx dashed #dcdfe6;
+  border-radius: 8rpx;
+  margin-top: 16rpx;
+}
+.signature-box .signature-img.data-v-f18ba0ce {
+  width: 100%;
+  height: 100%;
+}
+.signature-box .signature-placeholder.data-v-f18ba0ce {
+  color: #909399;
+  font-size: 28rpx;
+}
+.signature-popup.data-v-f18ba0ce {
+  width: 650rpx;
+  background: #fff;
+  border-radius: 16rpx;
+  overflow: hidden;
+}
+.signature-popup .popup-header.data-v-f18ba0ce {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 30rpx;
+  border-bottom: 1rpx solid #eee;
+}
+.signature-popup .popup-header .popup-title.data-v-f18ba0ce {
+  font-size: 32rpx;
+  color: #333;
+}
+.signature-popup .popup-header .popup-close.data-v-f18ba0ce {
+  font-size: 40rpx;
+  color: #999;
+  line-height: 1;
+}
+.signature-popup .popup-body.data-v-f18ba0ce {
+  padding: 40rpx 30rpx;
+  background: #fff;
+}
+.signature-popup .popup-footer.data-v-f18ba0ce {
+  display: flex;
+  padding: 0 30rpx 30rpx;
+  gap: 20rpx;
+}
+.signature-popup .popup-footer button.data-v-f18ba0ce {
+  flex: 1;
+  height: 80rpx;
+  line-height: 80rpx;
+  font-size: 28rpx;
+  border-radius: 40rpx;
+}
+.signature-popup .popup-footer button.data-v-f18ba0ce::after {
+  border: none;
+}
+.signature-popup .popup-footer .btn-cancel.data-v-f18ba0ce {
+  background: #f5f5f5;
+  color: #666;
+}
+.signature-popup .popup-footer .btn-confirm.data-v-f18ba0ce {
+  color: #fff;
 }