改用了flex布局

pages/index/index.wxml

 <view class="box">
   <view class="main">
     <text class="tip">(目前提现无需手续)</text>
-
-    <text class="article">提现金额</text>
     <view class="section">
-
-      <input type="number" placeholder="请输入提现金额"  />
+      <text>提现金额</text>
+      <view>
+        <input type="text" placeholder="请输入提现金额" />
         <text>RMB</text>
       </view>
-    <view class="button">
-      保存
     </view>
-
+    <view class="button">保存</view>
   </view>
 </view>
\ No newline at end of file

pages/index/index.wxss

@@ -6,19 +6,22 @@
 }
 
 .main {
-  position: relative;
+  display: flex;
+  flex-direction: column;
+  /* justify-content: space-around; */
   margin: 53rpx auto;
   width: 684rpx;
   height: 375rpx;
   background: #FFFFFF;
-  box-shadow: 0px 1px 5px 1px rgba(167, 167, 167, 0.29);
+  box-shadow: 0rpx 1rpx 5rpx 1rpx rgba(167, 167, 167, 0.29);
   border-radius: 30rpx;
 }
 
 .main .tip {
-  position: absolute;
-  top: 37rpx;
-  left: 37rpx;
+  margin-top: 37rpx;
+  margin-left: 37rpx;
+  width: 232rpx;
+  height: 25rpx;
   font-size: 26rpx;
   font-family: PingFang SC;
   font-weight: 500;
@@ -26,53 +29,60 @@
   line-height: 34rpx;
 }
 
-
-
-.main .article {
-  position: absolute;
-  top: 116rpx;
-  left: 34rpx;
-  width: 138rpx;
-  font-size: 34rpx;
-  font-family: PingFang SC;
-  font-weight: bold;
-  color: #333333;
-  line-height: 34rpx;
+.main .section {
+  display: flex;
+  align-items: center;
+  margin-top: 41rpx;
+  margin-left: 34rpx;
+  /* background-color: red; */
 }
 
-.main .section {
+.main .section view {
   display: flex;
   align-items: center;
-  position: absolute;
-  top: 110rpx;
-  left: 194rpx;
-  width: 436rpx;
-  height: 44rpx;
-  padding-bottom: 20rpx;
-  padding-left: 15rpx;
+  margin-left: 15rpx;
+  height: 78rpx;
+  width: 456rpx;
   border-bottom: 1rpx solid #EEEEEE;
+  /* background-color: red; */
 }
 
-.main .section text {
-  width: 59rpx;
+.main .section view input {
+  margin-left: 15rpx;
+  width: 159rpx;
+  height: 21rpx;
+  font-size: 22rpx;
+  font-family: PingFang SC;
+  /* font-weight: 500; */
+  /* line-height: 34rpx; */
+  /* background-color: #2658F7; */
+}
+
+.main .section view text {
   margin-left: 30rpx;
+  width: 59rpx;
   font-size: 26rpx;
   font-family: PingFang SC;
   font-weight: 500;
   color: #333333;
+  /* background-color: red; */
 }
 
-.main .section input {
-  font-size: 22rpx;
+.main .section text:first-child {
+  width: 138rpx;
+  height: 34rpx;
+  font-size: 34rpx;
   font-family: PingFang SC;
-  font-weight: 500;
-  width: 160rpx;
+  font-weight: bold;
+  color: #333333;
+  line-height: 34rpx;
+  /* background-color: red; */
 }
 
+
 .main .button {
-  position: absolute;
-  top: 247rpx;
-  left: 111rpx;
+  align-self: center;
+  margin-top: 75rpx;
   width: 487rpx;
   height: 86rpx;
   background: linear-gradient(-82deg, #2658F7 1%, #1B9CF0 100%);