feat(layout): "UseGuidance"组件

1. 优化返回弹框文本
2. 优化下一步按钮居中显示

src/layout/UseGuidance.vue

@@ -189,7 +189,7 @@ const finishCurrentStep = async () => {
           <ConfirmModal
             ref="confirmModal"
             :title="$t('common.skipConfirm')"
-            :description-text="$t('common.skipStepConfirm', { name: currentStep.title })"
+            :description-text="$t('common.skipStepConfirm', { name: currentStep.title }) + $t('common.returnFirstUse')"
             :icon="{ name: 'exclamation' }"
             icon-bg-color="#F56C6C"
             @confirm="goOutOfUseGuide"
@@ -308,7 +308,7 @@ const finishCurrentStep = async () => {
   display: flex;
   align-items: center;
   justify-content: space-between;
-  max-width: 686px;
+  max-width: 100%;
 
   button {
     height: 40px;