.platform_header{height:60px;margin-top:10px}.platform_search{border:1px solid #d0d0d0;height:46px;border-radius:23px;line-height:46px;width:400px;padding-left:16px;margin-left:50px;margin-top:5px}.platform_search input{width:365px;outline:0}.platform_btn{background:#fff;font-size:17px;border:1px solid #fff;border-left:0;cursor:pointer;border-radius:0 6px 6px 0;height:46px;padding:0}.login_register{margin-top:12px}.login_register a{font-size:18px}.platform_login{background:#f2f8fe;line-height:30px;display:inline-block;border-radius:15px;padding:0 10px;margin-right:14px}.platform_login i{margin-right:8px;color:#5678a8}.platform_nav_item{background:#253657}.platform_nav_item ul li{float:left}.submit_navmenu{background:#e8594d;float:right !important;border-bottom:5px solid #ff958c !important}.platform_nav_item ul li:hover{background:#0955a4;border-bottom:5px solid #96c9fd}.submit_navmenu:hover{background:#e8594d !important;border-bottom:5px solid #ff958c !important}.platform_nav_item ul li:hover .nav_a{color:#fff}.nav_a{color:#fff;font-size:19px;display:inline-block;line-height:48px;padding:0 22px;font-family:'Inter Bold'}.nav_a:hover{text-decoration:none}.nav_a i{margin-left:8px;position:relative;top:2px}.platform_nav_active{background:#0955a4;border-bottom:5px solid #96c9fd}.platform_ul{position:relative}.sub_menu_wrap{position:absolute;left:0;width:1200px;background:#fff;top:53px;box-shadow:0 2px 4px -1px rgba(0,0,0,.2),0 4px 5px 0 rgba(0,0,0,.14),0 1px 10px 0 rgba(0,0,0,.12);z-index:999;display:none}.join_wrap{width:270px;left:642px;padding:20px 0}.join_wrap .sub_menu{padding-left:20px}.book_wrap{width:320px;left:409px;padding:20px 0}.book_wrap .sub_menu{padding-left:20px}.sub_menu_journal_subject{border-right:1px solid #ebebeb}.sub_menu_curated{padding-left:30px}.sub_menu{padding-left:30px}.sub_menu_p{font-size:16px;color:#6d6d6d;margin-bottom:15px;margin-top:30px}.menu_subject a{line-height:40px}.menu_subject a:hover{color:#00599c}.menu_subject i{margin-right:20px}.col-sm-1{width:400px}.col-sm-1 i{color:#0282ff;text-align:center}.sub_menu_wrap i{width:17px}.col-sm-2 i{color:#f29400;width:17px;text-align:center}.sub_menu_curated i{color:#468847;width:17px}.col-sm-2{width:350px}.platform_button{display:inline-block;margin-bottom:30px;background:#2a7ffe;color:#fff;line-height:46px;padding:0 277px;border-radius:6px;margin-top:16px}.platform_button:hover{color:#fff}.information_wrap{width:790px;padding:20px 0;left:137px}