常见问题样式优化

@@ -782,7 +782,7 @@ $color-3a3a3a: #3a3a3a;
                                     .q:before,
                                     .a:before {
                                         position: absolute;
-                                        top: -1px;
+                                        top: -2px;
                                         left: -17px;
                                         display: inline-block;
                                         height: 16px;
@@ -812,6 +812,7 @@ $color-3a3a3a: #3a3a3a;
                                         line-height: 1.5;
 
                                         &:before {
+                                            top: 1px;
                                             content: 'A';
                                             background-color: #a4a4a4;
                                         }