:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .free_lecture_nav_levels .nav_mnu_free_lec_level_tabs{margin-top:0}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .free_lecture_nav_levels #gate_slide_nav_levels{box-sizing:border-box;width:100%;overflow:hidden}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .free_lecture_nav_levels #gate_slide_nav_levels .tab_level_menu_m{background:#fff;border-bottom:1px solid #e5e5e5;width:auto;min-width:100%;margin:0;padding:0;list-style:none;display:table}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .free_lecture_nav_levels #gate_slide_nav_levels .tab_level_menu_m>li{width:calc(16.6% - 16px);width:-moz-calc(16.6% - 16px);white-space:nowrap;text-align:center;vertical-align:top;box-sizing:border-box;display:table-cell;position:relative}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .free_lecture_nav_levels .tab_level_menu_m li a{letter-spacing:-2px;color:#333;text-align:center;box-sizing:border-box;background-color:#f2f5f9;border:1px solid #f2f5f9;border-radius:20px;height:40px;margin:10px 5px;padding:0 15px;font-size:15px;font-weight:700;line-height:40px;text-decoration:none;display:block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .free_lecture_nav_levels .tab_level_menu_m li.on a{color:#3a84f7;background:#fff;border-color:#3a84f7}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .free_lecture_nav_levels .level_nav_panel_m .nav_mnu{margin-top:0}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .free_lecture_nav_levels .level_nav_panel_m nav ul.navigator_nav_level{box-sizing:border-box;justify-content:flex-start;width:max-content;margin-left:0;margin-right:0;display:flex}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .free_lecture_nav_levels .level_nav_panel_m .navigator_nav_level>li{white-space:nowrap;text-align:center;vertical-align:top;box-sizing:border-box;flex:none;width:auto;max-width:100%}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .free_lecture_nav_levels .level_nav_panel_m .navigator_nav_level li a{display:inline-block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .free_lecture_nav_levels .free_lec_level_empty_m{text-align:center;box-sizing:border-box;background:#fff;border-bottom:1px solid #e5e5e5;justify-content:center;align-items:center;height:60px;padding:0 12px;display:flex}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .free_lecture_nav_levels .free_lec_level_empty_m .free_lec_level_empty_msg{letter-spacing:-1px;color:#777;white-space:nowrap;text-overflow:ellipsis;max-height:40px;margin:0;font-size:15px;font-weight:700;line-height:40px;overflow:hidden}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) #navigator_nav{width:100%;padding-right:50px!important}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) #nav-main img{width:100%;display:block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .nav-main nav ul{width:100%;display:table}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .nav-main nav li{width:calc(16.6% - 16px);width:-moz-calc(16.6% - 16px);white-space:nowrap;text-align:center;vertical-align:top;display:table-cell;position:relative}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .nav-main nav li a{letter-spacing:-2px;color:#333;background-color:#f2f5f9;border:1px solid #f2f5f9;border-radius:20px;height:40px;margin:10px 5px;padding:0 15px;font-size:15px;font-weight:700;line-height:40px;display:block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .nav-main nav li.active a{color:#3a84f7;background:#fff;border-color:#3a84f7}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .list_open_btn{text-align:center;z-index:2;background:linear-gradient(90deg,#fff0,#fff9,#fff 50%);width:42px;height:100%;position:absolute;top:50%;right:0;transform:translateY(-50%)}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) #gate_slide_nav{box-sizing:border-box;padding-right:50px;overflow:hidden}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .list_box{z-index:20;background:#fff;width:100%;padding-bottom:5%;display:none;position:absolute;top:0;left:0}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .list_box .re_list_btn{width:90%;margin:2% auto 0;display:block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .list_box .list_tit{color:#687fa5;height:60px;font-size:20px;line-height:60px;position:relative}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .list_box .list_tit p{padding-left:2%}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .list_box .list_tit .list_btn{text-align:center;color:#4082f3;background:#f6f6f6;border-radius:100%;width:40px;height:40px;margin-right:5px;font-size:24px;line-height:35px;position:absolute;top:50%;right:0;transform:translateY(-50%)}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .list_box .list_view ul{border-top:2px solid #f2f5f9}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .list_box .list_view ul>li{text-align:center;vertical-align:top;display:inline-block;position:relative}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .list_box .list_view ul>li a{letter-spacing:-2px;color:#333;background-color:#f2f5f9;border:1px solid #f2f5f9;border-radius:20px;height:40px;margin:10px 5px;padding:0 15px;font-size:15px;font-weight:700;line-height:40px;display:block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .list_box .list_view ul>li.active a{color:#3a84f7;background:#fff;border-color:#3a84f7}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .list_open{text-align:center;background:#f6f6f6;border-radius:100%;width:40px;height:40px;font-size:24px;line-height:35px;display:inline-block;color:#4082f3!important}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .list_open_btn{text-align:center;background:linear-gradient(90deg,#fff0,#fff9,#fff 50%);width:50px;height:100%;position:absolute;top:50%;right:0;transform:translateY(-50%)}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .list_open_btn a{margin-top:10px;display:inline-block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_video_list_wrap{margin-top:20px;font-family:Noto Sans KR,sans-serif}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list{border-bottom:1px solid #dedede;flex-wrap:wrap;gap:2vw;margin:0 3vw 5vw;padding-bottom:4vw;list-style:none;display:flex}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list li{width:calc(50% - 1vw);box-shadow:none;background:0 0;border-radius:0;display:block;overflow:hidden}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list .link_box{text-decoration:none;display:block;position:relative}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list .thumb_area{border-radius:5px;width:100%;height:26vw;display:block;position:relative;overflow:hidden}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list .thumb_area img{-o-object-fit:cover;object-fit:cover;width:100%;height:100%;display:block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list .runtime{color:#fff;background:#000;padding:0 1vw;font-size:3vw;position:absolute;bottom:0;right:0}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list .info_area{text-align:left;margin-top:2vw}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list .lec_info{color:#333;margin:0;font-size:3.5vw;font-weight:400;display:block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list .t_name{color:#777;margin:1vw 0;font-size:3vw;display:block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list .mv_play_info{color:#aaa;align-items:center;margin:1vw 0;font-size:3vw;display:flex}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list .mv_play_info .ico_play{background:url(//cdn.hackers.co.kr/images/mobile/layout/lec_icon/i_play.png) 50%/contain no-repeat;width:12px;height:12px;margin-right:3px;display:inline-block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list .mv_play_info p{align-items:center;margin:0;display:flex}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list .mv_play_info span{margin:0 2px}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list .mv_play_info em{padding-left:3vw;position:relative}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_box .mobile_video_list .mv_play_info em:before{content:"";background:#aaa;border-radius:50%;width:3px;height:3px;display:block;position:absolute;top:34%;left:1.3vw}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_pager_box{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:20px;display:flex}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_pager_box a,:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_pager_box span{justify-content:center;align-items:center;text-decoration:none;display:flex}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_pager_box .pager{opacity:.7;box-sizing:border-box;border:1px solid #efefef;border-radius:4px;width:30px;height:24px;margin:0;padding:4px 8px}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_pager_box .pager.disabled{opacity:.3}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_pager_box .pager_prev{margin-right:8px}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_pager_box .pager_next{margin-left:8px}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_pager_box .page{color:#9e9e9e;text-align:center;border-radius:4px;min-width:32px;padding:6px 10px;font-size:14px;font-weight:700}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_pager_box .page.selected{color:#1d84fb;background:#f0f8ff;border:1px solid #1d84fb}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .no-lectures{text-align:center;color:#666;padding:40px 20px}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .js-tab-type2025{background:#fff;border-bottom:6px solid #eaf0f6;margin-bottom:20px;display:flex}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .js-tab-type2025 li{text-align:center;flex:1;position:relative}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .js-tab-type2025 li a{color:#b2b2b2;justify-content:center;align-items:center;width:100%;height:30px;margin:0;padding:12px 0;font-size:4vw;font-weight:700;line-height:1.6;text-decoration:none;display:flex;position:relative}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .js-tab-type2025 li.on a{color:#1d84fb;background:#fff;font-weight:600}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .js-tab-type2025 li.on a:after{content:"";background:#1d84fb;border-radius:2px;width:50%;height:3px;position:absolute;bottom:0;left:50%;transform:translate(-50%)}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .js-tab-type2025-con{display:none}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .js-tab-type2025-con.on{display:block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_top{background:#fff;border-bottom:1px solid #dedede;margin:0 3vw 4vw;padding-bottom:20px}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_top h4{color:#333;margin-bottom:12px;font-size:16px;font-weight:600}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_top .select_wrap{grid-template-columns:1fr 1fr!important;gap:8px!important;width:100%!important;display:grid!important}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_top .select_wrap select,:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_top .select_wrap .filter-select,:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .select_wrap select#filter-part,:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .select_wrap select#filter-teacher,:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .select_wrap select#filter-exam{color:#333;appearance:none;box-sizing:border-box;background:#fff url("data:image/svg+xml;utf8,<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"12\" height=\"8\" viewBox=\"0 0 12 8\"><path d=\"M1 1l5 5 5-5\" stroke=\"%23666\" stroke-width=\"1.5\" fill=\"none\"/></svg>") right 12px center no-repeat;border:1px solid #ddd;border-radius:6px;width:100%;height:40px;padding:0 35px 0 12px;font-size:14px}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_top .select_wrap select:focus,:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_top .select_wrap .filter-select:focus{border-color:#1d84fb;outline:none;box-shadow:0 0 0 2px #1d84fb1a}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mv_list_top .select_wrap select:nth-child(odd):last-child{grid-column:1/-1}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_content_wrap.mobile_area1{border-top:6px solid #eaf0f6;margin-top:20px;margin-bottom:30px}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_content_wrap.mobile_area2{margin-bottom:20px}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_content_item{margin-bottom:15px;overflow:hidden}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_content_item iframe{border:none;width:100%;height:400px;display:block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .mobile_content_item p{text-align:center;color:#666;background:#f9f9f9;margin:0;padding:40px 20px}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .review_wrap{background:#fff;padding:0 15px 15px}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .review_box{margin:0;padding:0;list-style:none}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .review_box li{background:#fff;border-bottom:1px solid #f0f0f0}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .review_box li:last-child{border-bottom:none}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .review_box li a{color:inherit;padding:15px;text-decoration:none;display:block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .review_box li a:hover{background:#f8f9fa}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .review_txt{color:#333;-webkit-line-clamp:2;text-overflow:ellipsis;-webkit-box-orient:vertical;max-height:2.8em;margin:0 0 8px;font-size:14px;font-weight:400;line-height:1.5;display:-webkit-box;overflow:hidden}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .reviewer{color:#999;align-items:center;gap:5px;margin:0;font-size:12px;display:flex}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .reviewer .ico_people{background:url("data:image/svg+xml;utf8,<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 24 24\" fill=\"%23999\"><path d=\"M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z\"/></svg>") 50%/contain no-repeat;width:12px;height:12px;margin-right:3px;display:inline-block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .review_more{color:#3a84f7;text-align:center;cursor:pointer;box-sizing:border-box;background:#edf6fd;border:none;border-radius:8px;width:calc(100% - 30px);margin:20px 15px 0;padding:12px;font-size:14px;font-weight:600;text-decoration:none;transition:all .2s;display:block}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .review_more:hover{color:#2b6fe8;background:#e8f4fd}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .no-reviews{text-align:center;color:#999;background:#f9f9f9;border-radius:8px;margin:20px 0;padding:40px 20px}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .no-reviews p{margin:0;font-size:14px}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) #nav-main{width:100%}:where([data-scope~=hackers_m_contents_free_lecture_m_free_lecture]) .movie_box{position:relative}