.about-layout{height:100%}.about-con-box{height:100%;background:#171717;padding:50px;border-radius:16px}.about-header{display:flex;align-items:center;padding-bottom:29px;position:sticky;top:84px;background:#111}.about-header .left-back{background:url(../img/back_btn_icon.388cd92b.svg) no-repeat;width:44px;height:44px;display:block;transition:all .2s linear}.about-header .left-back:hover{background:url(../img/gminfo_topback_hover.747440d5.svg) no-repeat;background-size:cover}.about-header .header-tab{font-size:18px;line-height:44px;display:flex;justify-content:center;width:100%}.about-header .header-tab a{color:#969696;margin-right:40px}.about-header .header-tab a.active{color:#fff;position:relative}.about-header .header-tab a.active:after{content:"";position:absolute;width:24px;height:2px;background:#11ccb1;bottom:-5px;border-radius:2px;left:calc(50% - 12px)}.about-header .header-tab a:hover{color:#fff;position:relative}.about-header .header-tab a:hover:after{content:"";position:absolute;width:24px;height:2px;background:#11ccb1;bottom:-5px;border-radius:2px;left:calc(50% - 12px)}