.top_banner{color:var(--basic-gray-900)}@media all and (max-width: 639.9px){.top_banner .bn_txt_box.chanel{background:var(--basic-gray-700)}}.main_nav .nav_li .anchor_btn::after{background-color:var(--basic-gray-900)}.main_nav .nav_li .anchor_btn.active{background-color:var(--basic-gray-900)}@media all and (max-width: 639.9px){.main_nav .nav_li .anchor_btn.active{background-color:rgba(0,0,0,0);color:var(--sysBlue)}.main_nav .nav_li .anchor_btn.active .nav_text::after{content:"";background-color:var(--sysBlue)}}.bg-chanel{background-color:rgba(62,62,62,.85)}