.help-page .content{width:100%;max-width:1180px;margin:0 auto;padding:23px 10px}.help-page p{margin:0 0 10px}.help-page b,.help-page strong{font-weight:700!important}.help-page a,.help-page button,.help-page div,.help-page input,.help-page label,.help-page p,.help-page span{font-family:DINRegular,Microsoft YaHei}.help-page a{color:#222}.help-page-title{background:#eee;font-weight:700;font-size:24px;color:#222}.help-page-content{display:flex;max-width:1180px;margin:0 auto;padding:60px 10px 50px 0;min-height:500px}.help-page-content__sider{width:160px;border-right:1px solid #ccc;padding-right:40px;margin-top:57px}.help-page-content__sider li{margin-bottom:20px}.help-page-content__sider li a{font-size:14px;color:#222;letter-spacing:.44px}.help-page-content__sider li.is-active a{font-weight:700;color:red}.help-page-content__main{flex:1;margin-left:90px}.help-page-content__main-title{font-weight:700;font-size:19px;color:#222;padding-bottom:24px;border-bottom:1px solid #999}.help-page-content__main-content{font-size:12px;line-height:1.5;margin-top:18px}