.category{}
.category_desc{font-size: 18px;line-height: 27px;}
#notice_wrap .board tr th{display: none;}

.brd_container{display: flex;flex-wrap: wrap;}
.brd_container .brd_cate{width: 25%;}
.brd_container .brd_cate li{margin-bottom: 20px;}
.brd_container .brd_cate li a{font-weight: 700;color: #999999;font-size: 26px;line-height: 39px;font-family: 'Pretendard';}
.brd_container .brd_cate li.selected a{color: #000;border-bottom: 1.5px solid #000;}
.brd_container #notice_wrap{width: 75%;}
.official_notice_wrap .brd_container #notice_wrap{width: 100%;}
.official_notice_wrap .page_title{margin-bottom: 40px;}
#search_wrap{display: none;}

.mo_brd_cate{margin-top: 40px;border: 1px solid #DEDEDE;width: 100%; position: relative;display: none;}
.mo_brd_cate .selected_wrap{font-family: "Pretendard";font-weight: 600;font-size: 16px; line-height: 24px;padding: 16px 20px;display: block;position: relative;}
.mo_brd_cate .selected_wrap i.brd_cate_arrow{position: absolute;right: 0;top: 50%;transform: translateY(-50%);width: 10px;height: 6px;background: url(../img/selected_arrow.png)no-repeat center/cover;right: 20px;}

.mo_brd_cate .option_wrap{height: 0;overflow: hidden;position: absolute;top: 56px;left: 0;background: #fff;width: 100%;border: 1px solid #dedede;border-top: 0;transition: all .5s;}
.mo_brd_cate .option_wrap .option_list{border-top: 1px solid #dedede;}
.mo_brd_cate .option_wrap .option_list li{padding: 16px 20px;}
.mo_brd_cate .option_wrap .option_list li a{color: #999999;font-size: 16px;line-height: 24px;font-weight: 600;font-family: "Pretendard";}



.btn-menu i.bar{background-color: #000;}
@media (max-width: 767px) {
    .mo_brd_cate{display: block;}
    #content.ir_page{margin-top: 0 !important;}
    .brd_container .brd_cate{display: none;}
    .brd_container #notice_wrap{width: 100%;}
    .official_notice_wrap .page_title{margin-bottom: 10px;}
}