style(components): 调整基础组件边距样式

将 margin-bottom 改为 margin 以统一上下边距

pages/cb/shuifeizsFirst/components/base.vue

@@ -32,7 +32,7 @@ export default {
   justify-content: space-between;
   border-radius: 16rpx;
   background: linear-gradient(180deg, #edfbfb 0%, #d2f2ed 100%);
-  margin-bottom: 30rpx;
+  margin: 30rpx 0;
   .base-list {
     width: calc(100% - 32rpx);
     padding: 0 16px;