优化

 /* pages/main/guide/guide.wxss */
 
-
-.page{
+.page {
   background-color: #fcfcfc;
 }
 
 .bgimg {
   position: absolute;
   height: 280rpx;
-  width: 92%;
   align-self: center;
+  right: 0;
+  left: 0;
+  margin: auto;
+  width: 92%;
 }
 
 /* .card_rectangle_bg {
@@ -27,41 +29,40 @@
 .bg_wrap {
   display: flex;
   flex-direction: column;
-  width: 100%;
-  padding-bottom: 40rpx
+  padding-bottom: 40rpx;
 }
 
-.icon_wrap{
+.icon_wrap {
   width: 112rpx;
   height: 102rpx;
-  align-self: center
+  align-self: center;
 }
 
-text_wrap_main_black{
-font-size: 36rpx;
-color: #000;
-letter-spacing: 0;
-text-align: left;
+text_wrap_main_black {
+  font-size: 36rpx;
+  color: #000;
+  letter-spacing: 0;
+  text-align: left;
 }
 
-text_wrap_sub_999{
-font-size: 28rpx;
-color: #999;
-letter-spacing: 0;
-text-align: left;
+text_wrap_sub_999 {
+  font-size: 28rpx;
+  color: #999;
+  letter-spacing: 0;
+  text-align: left;
 }
 
 .arrow_wrap {
   position: relative;
   width: 60rpx;
   height: 60rpx;
-  align-self: center
+  align-self: center;
 }
 
-.chat-img{
+.chat-img {
   width: 96rpx;
   height: 96rpx;
-  position: fixed; 
+  position: fixed;
   right: 40rpx;
   bottom: 40rpx;
 }