diff --git a/src/styles/settings.scss b/src/styles/settings.scss
index a937faa..839889d 100644
--- a/src/styles/settings.scss
+++ b/src/styles/settings.scss
@@ -24,6 +24,36 @@ $hairlineColor: #E5E5E5 !default;
   }
 }
 
+// 纯粹的按钮，去除小程序按钮的默认样式，仅保留居中属性
+@mixin pureButton {
+  position: relative;
+  display: block;
+  text-align: center;
+  margin: 0;
+  padding: 0;
+  outline: none;
+  font-size: inherit;
+  line-height: inherit;
+  border-radius: 0;
+  border: none;
+  color: inherit;
+  background: inherit;
+  overflow: auto;
+  box-sizing: border-box;
+  text-decoration: none;
+  -webkit-tap-highlight-color: transparent;
+
+  &.button-hover {
+    color: inherit;
+    background: inherit;
+  }
+
+  &::before,
+  &::after {
+    content: none;
+  }
+}
+
 // 将 375 尺寸下的像素转换为其他尺寸下的像素
 @function transformPx($px) {
   @return unquote(($px / (375 / $designWidth)) + 'px');