.top-nav{
  margin-top: 81px;
  width: 100%;
  background-color: #F39C13;
  height: 60px;
}
/* 菜单版心样式 */
.wrap{
  width: 1200px;
  min-width: 1200px;
  height: 100%;
  margin: 0 auto;
  line-height: 60px;
}
.wrap ul{
  height: 100%;
}

/* 菜单激活样式 */
.nav_activate{
  height: 100%;
  background-color: #fff;
}
.nav_activate a{
  color: #F39C13;
}

/* 搜索框样式 */
.nav_search{
  height: 40px;
  line-height: 40px;
}
.search{
  height: 100%;
  line-height: 40px;
  padding-left: 10px;
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
}

/* 搜索图标样式 */
.search_icon{
  width: 50px;
  background-color: #0071FF;
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
  margin: 0 auto;
}
.search_icon img{
  width: 20px;
  height: 20px;
}

/* 内容 */
.content{
  width: 1200px;
  min-width: 1200px;
  margin: 0 auto;
}

/* 问题分类 */
.issue_sort{
  width: 100%;
  margin: 0 auto;
  padding: 20px 0;
  box-sizing: border-box;
}
.sort_list,
.issue_list{
  border-radius: 5px;
  max-width: 1200px;
  width: 100%;
  padding: 30px;
  background-color: #fff;
  box-sizing: border-box;
}
.sort_list_ul{
  width: 100%;
  flex-wrap:wrap;
  margin-left: 35px;
}
.item_text{
  max-width: 200px;
  height: 100%;
  flex-direction: column;
  justify-content: space-between;
}
.item_img{
  width: 66px;
  height: 66px;
}
.item_img img{
  width: 100%;
  height: 100%;
}

/* 常见问题 */
.issue_list{

}
.issue_list_ul{
  max-width: 1000px;
  flex-wrap: wrap;
  box-sizing: border-box;
}
.issue_list_item{
  box-sizing: border-box;
  padding: 10px 50px;
  min-width: 400px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.issue_item_index{
  background:url(/images/helpcenter/indexb-7c66441b0677092fbe3b3114980fd14d.png) no-repeat center;
  width: 20px;
  height: 20px;
  line-height: 20px;
  text-align: center;
  color: #fff;
}

/* 联系我们 */
.contact_wrap{
  border-radius: 5px;
  max-width: 1200px;
  width: 100%;
  padding: 30px 100px;
  background-color: #fff;
  box-sizing: border-box;
}
.mobile,.mailbox{
  padding: 30px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center
}
.service_img{
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
}
.service_img img{
  width: 100%;
  height: 100%
}
.mailbox_img img{
  width: 100%;
  height: 34px;
}
.mailbox_img{
  width: 44px;
  height: 44px;
  margin-bottom: 30px;
}
.right_details img{
  max-width: 870px;
}