/*상단 이미지*/
header{ 
    max-width: 1920px;
    min-width: 1400px;
    margin: 0 auto;
}

.index_img {
    position: relative;
    height: 930px;
    overflow: hidden;
}
.main_img {
    position: relative;
    height: 337px;
    overflow: hidden;
}

.blur_background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover; 
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(10px); 
    transition: filter 1s ease-in-out;
}
.blur_index {
    background-image: url('/img/main_img.jpg');
}
.blur_m {
    background-image: url('/img/m_img.jpg');
}
.blur_about {
    background-image: url('/img/about_img.jpg');
}
.blur_bbs {
    background-image: url('/img/bbs_img.jpg');
}
.blur_member {
    background-image: url('/img/member_img.jpg');
}
.blur_data {
    background-image: url('/img/data_img.jpg');
}
.blur_background.active {
    filter: blur(0px);
}

.index_container {
    position: relative;
    z-index: 1;
}

/*회원정보 바*/
.top{
    width:1400px;
    background-color: #112557 ;
    opacity: 0.7;
    height:28px;
    margin: 0 auto;
    padding:2px 13px;
    color:#fff;
    font-size:14px;
    text-align:right;
}
.top span{
    padding:8px;
}

.logo_nav_container {
    display: flex;
    justify-content: space-between;
    width:1350px;
    margin:15px auto;
  }
  
  .logo_nav img {
    display: block;
    width: 40%;
    height: auto;
  }
  #overlay {
    display: none; 
    position: fixed; 
    top: 0;
    left: 0;
    width: 100%; 
    height: 100%;
    background: rgba(255, 255, 255, 0.97);
    z-index: 9999;
    text-align:center;
}


/*메뉴창*/
.menu_box{
    margin:50px auto;
    display: inline-block;
}
#closeButton{
    padding:0px;
}
.menu_text{
    display: flex;
    justify-content: space-between; 
}
.menu_text > div {
    text-align:center;
    padding:10px 0px;
    font-size:18px;
    font-weight: 500;
    
}
.menu_text > div p{
    padding-top:7px;
    
}
.menu_text > div p:not(.menu_sub):hover{
    color:#000;
    font-weight: 500;
}
.menu_sub > span{
    display:block;
    font-size: 14px;
}
.menu_sub > span:hover{
    color:#333;
    font-weight: 500;
}
.menu_text > div p:first-child{border-bottom: 1px solid #112557;
    font-size:24px;
    font-weight: 600;
    color:#112557;
    display: inline-block;
    width: 100%;
    padding:20px 50px;
    margin-bottom:10px;
}
.menu_sub{
    font-size:14px;
    color:#999;
    border-top:1px solid #e6e6e6;
    margin-bottom:10px;
}

/*텍스트 애니메이션_index*/
.index_text_ani{
    width:1350px;
    margin:200px auto 0;
    text-align: right;
    height:200px;
    position: relative;
    overflow: hidden;
}

.index_text_ani p {
    position: absolute;
    right: 0;
    opacity: 0;
    transform: translateX(-300px); 
    transition: transform 1s ease-in-out, opacity 1s ease-in-out;
    letter-spacing:-0.05em;
    color:#112557;
}
.index_text_ani p:nth-child(1) {
    top: 0;
    font-size:35px;
    font-weight: 600;
}

.index_text_ani p:nth-child(2) {
    top: 3em; 
    font-size:29px;
    font-weight:400;
    letter-spacing:-0.1em;
}

.index_text_ani p:nth-child(3) {
    top: 4.5em; 
    font-size:29px;
    font-weight:400;
    letter-spacing:-0.1em;
}

/*텍스트 애니메이션_main*/
.main_text_ani{
    width:1350px;
    margin:50px auto 0;
    text-align: right;
    height:150px;
    position: relative;
    overflow: hidden;
}

.main_text_ani p {
    position: absolute;
    right: 0;
    opacity: 0;
    transform: translateX(-300px); 
    transition: transform 1s ease-in-out, opacity 1s ease-in-out;
    letter-spacing:-0.05em;
    color:rgba(255, 255, 255, 0.7);
    
}
.main_text_ani p:nth-child(1) {
    top: 1em;
    font-size:30px;
    font-weight: 500;
    
}

.main_text_ani p:nth-child(2) {
    top: 4em; 
    font-size:20px;
    font-weight:400;
    letter-spacing:-0.1em;
}

.main_text_ani p:nth-child(3) {
    top: 5.2em; 
    font-size:20px;
    font-weight:400;
    letter-spacing:-0.1em;
}

/*index-상단컨텐츠*/
.index_main{
    display:flex;
    width:1400px;
    margin:50px auto 0;
    padding:30px 50px;
    background-color: rgba(17, 37, 87, 0.7);
    color:#fff;

}
.index_main > .flex-div{
    flex-grow: 0;
}
/*동문검색*/
.index_main > .flex-div:nth-child(1){
    width:30%;
    padding-right:50px
}
    .in_ms_01{
        display:flex;
        justify-content: space-between;
    }
        .in_ms_01 > span:nth-child(1){
            text-align:right;
            width:30%;
            padding:0 10px 0 0;
            line-height: 2.2em;
        }
        .in_ms_01 > span:nth-child(2){
            text-align:right;
            width:70%;
        }
        .in_ms_01 > span:nth-child(3){
            width:30%;
        }
        .in_se_btn{
            display: inline-block;
            width:80%;
            margin:5px 15px;
            padding:5px 15px;
            border-radius: 10px;
            background-color:#275EEE;
            opacity: 1;
            color:#fff;
            text-align:center;
            cursor: pointer;
        }
        .in_se_btn:hover{
            background-color:#324adf;;
        }

/*공지사항*/
.index_main > .flex-div:nth-child(2){
    width:30%;
    padding-right:50px
}
    .in_ms_02{
        display:flex;
        justify-content: space-between;
        padding:0px
    }
    .in_ms_02 > span:nth-child(1){
        width:78%;
        padding:0 10px 0 0;
        line-height: 1.8em;
        font-weight:300;
        color:#fff;
    }
    .in_ms_02 > span:nth-child(2){
        text-align:right;
        width:22%;
        color:#999;
        font-weight:300;
    }
.index_main > .flex-div:nth-child(3){
    width:40%;
    display: flex;
    flex-wrap: wrap;
    
}
/*우측 4단 정보*/
    .index_main > .flex-div:nth-child(3) > div{
        flex-basis: 49%;
        margin:0.1%;
        box-sizing: border-box;
        height:110px; 
        padding:28px; 
        background-color: rgba(133, 211, 255, 0.5);
        color:#fff;
        display:flex;
        justify-content: space-between;
        cursor: pointer;
    }
    .index_main > .flex-div:nth-child(3) > div:hover{
        background-color: rgba(42, 141, 197, 1);
    }
    .index_main > .flex-div:nth-child(3) > div > div:nth-child(1){
        width:30%;
        margin-top:10px;
    }
    .index_main > .flex-div:nth-child(3) > div > div:nth-child(2){
        width:70%;
        color:#fff;
    }
        .index_main > .flex-div:nth-child(3) > div > div:nth-child(2) > p:nth-child(1){
            font-size:18px;
            font-weight: 600;
        }
        .index_main > .flex-div:nth-child(3) > div > div:nth-child(2) > p:nth-child(2){
            font-size:12px;
            font-weight: 300;
            line-height:14px;
        }
/*메인 하단 컨텐츠_경조사, 행사앨범*/


.index_main02{
    display: flex;
    justify-content: space-between;
    width:1300px;
    margin:50px auto;

}
    .in_board01{
        width:35%;
        margin-right:80px;
    }
        .in_board01 > p:not(:first-child){
            display: flex;
            justify-content: space-between;
        }
            .in_board01 > p:not(:first-child) > span:nth-child(1){
                width:6%;
            }
            .in_board01 > p:not(:first-child) > span:nth-child(2){
                width:74%;
            }
            .in_board01 > p:not(:first-child) > span:nth-child(3){
                width:20%;
                color:#999;

            }
    .in_board02{
        width:65%;
    }
        .in_board02 > ul{
            display: flex;
            justify-content: space-between;
        }
            .in_board02 > ul > li{
                text-align:center;
            }

footer > div:nth-child(1){
    min-width: 1400px;
    margin: 0 auto;
    background-color:#e6e6e6;
    border-top:#c6c6c6;
}
footer > div:nth-child(1) > ul{
    display: flex;
    justify-content:space-between;
    width:1000px;
    margin:0 auto;    
}
footer > div:nth-child(1) > ul > li{
    padding:20px 50px;
}

footer > div:nth-child(2){
    min-width: 1400px;
    margin: 0 auto;
    text-align: center;
    padding:50px;
    border-top:#c6c6c6;
}

/*메인 기본*/
.main_box{
    width:1300px;
    margin:0 auto;
    padding:50px 0 30px;
}
.title{
    border-bottom:1px solid #999;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}
.title > li:nth-child(1){
    font-size:25px;
    font-weight: 600;
    letter-spacing: -0.1em;
    margin:20px 0 8px 20px;
    color:#112557;
}
.title > li:nth-child(2){
    margin:10px 20px;
    text-align: right;
    font-size:12px;
}
.main_contents{
    padding:60px 20px;
    width:100%;
}

/*회원로그인,정보수정*/
.m_login{
    width:500px;
    margin:0 auto;
}
.m_login > p{
    text-align:center;
    font-size:18px;
    font-weight: 600;
    margin:30px 0;
}
.m_login > ul{
    display: flex;
    justify-content: space-between;
}
.m_login > ul > li:nth-child(1){
    text-align:right;
    width:30%;
    padding-right:10px
}
.m_login > ul > li:nth-child(2){
    text-align:right;
    padding-right:10px;
    width:70%
}

.m_lose{
    width:800px;
    margin:0 auto;
}
.m_lose > p{
    text-align:center;
    font-size:18px;
    font-weight: 600;
    margin:30px 0;
    letter-spacing: -0.03em;
}
.m_lose > ul{
    display: flex;
    width:500px;    
    margin:0 auto;
}
.m_lose > ul:not(:last-of-type) > li:nth-child(1){
    text-align:right;
    width:100px;
    margin-right:10px;
}
.m_lose > ul:not(:last-of-type) > li:nth-child(2){
    text-align:right;
    padding-right:10px;
    width:370px;
}
.m_lose > div{
    margin:30px auto;

}
.m_lose02 > li:nth-child(1){
    text-align:right;
    width:100px;
    margin-right:10px;
}
.m_lose02 > li:nth-child(2){
    width:100px;
    margin-right:10px
}
.m_lose02 > li:nth-child(3){
    width:80px;
    
}
.m_lose02 > li:nth-child(4){
    text-align:right;
    width:80px;
    margin-right:15px;
}
.mem_mo{
    display:flex;
    margin-top:30px;
    
}
.mem_mo > div:nth-child(1){
    width:180px;
    
}
.mem_mo > div > p > img{
    border:1px solid #ccc;
    width:100%;
    margin-bottom: 20px;
}
.mem_mo > div > ul{
    display: flex;
    width:1000px;
}
.mem_mo > div > ul > li{
    padding:5px 10px;
}
.mem_mo > div > ul > li:nth-child(1){
    width:150px;
    text-align: right;
}
.mem_mo > div > ul > li:nth-child(2){
    width:300px;
}
.mem_mo > div > ul.mem_full > li:nth-child(2){
    width:750px;
}
.mem_mo > div > ul.mem_check > li:nth-child(2){
    width:30px;
}
.mem_mo > div > ul.mem_email > li:nth-child(3){
    width:10px;
}
.mem_mo > div > ul > li:nth-child(4){
    width:130px;
}
.mem_mo > div > ul > li:nth-child(5){
    width:130px;
}
.mem_mo > div > ul.mem_pro > li:nth-child(2){
    width: 750px
}

/*게시판*/
.bbs_info {
    display: flex;
    justify-content: space-between;
    margin:0px 0 40px 0px 
}

.bbs_info > div{
    text-align: left;
}

.bbs_info > div:nth-child(2) {
    text-align:right;
    display: flex;
    justify-content: space-between;
}
.bbs_info > div:nth-child(2) > span {
    margin-left:10px;
}
table.bbs_table th{
    border-bottom:1px solid #333;
}
table.bbs_table > tbody > tr:hover{
    background-color: #e6e6e6;
    cursor: pointer;
}
table.bbs_table td:nth-child(2){
    text-align: left;
}
.bbs_indicator{
    display: flex;
    justify-content: center;
}

.bbs_indicator > li:not(:nth-child(3)){
    border-radius: 50px;
    background-color: #fff;
    padding:3px;
    text-align:center;
    width:40px;
    border:1px solid #e6e6e6;
    margin: 0 3px;
}
.bbs_indicator > li:nth-child(3){
    margin:0 10px;
}
.bbs_indicator > li > span{
    display: inline-block;
    border:1px solid #e6e6e6;
    background-color: #fff;
    width:40px;
    text-align:center;
    padding:3px;
    margin:0 px;
}
.bbs_indicator > li:not(:nth-child(3)):hover, .bbs_indicator > li > span:hover{
    background-color:#ececec;
    cursor: pointer;
}

.bbs_write{
    border-top:1px solid #666;
    border-bottom:1px solid #666;
    margin:50px 0;
    padding:30px;
}
.bbs_write_title{margin:20px 0 40px;}
.bbs_write > ul{
    display:flex;
    justify-content: flex-start;
    margin:10px 80px;

}
.bbs_write > ul > li{
    padding:0  5px;
}
.bbs_view > ul.title{
    display: flex;
    border-bottom:1px solid #e6e6e6
}
.bbs_view > ul.title > li:nth-child(1){
    font-size:18px; 
    font-weight: 500;
    padding-bottom:20px
}

.bbs_view > ul.title > li:nth-child(1) img{
    width: 20px;
    margin:0 10px -5px
}
.bbs_view > ul.title > li:nth-child(2){
    border:0px;
    font-size:13px;
    text-align:right
}
.bbs_view > p{
    padding:40px;
}
.bbs_view > ul.comment{
    background-color: #e6e6e6;
    padding:15px; 
}
.bbs_view > ul.comment > li:nth-child(2){
    text-align:right
}
.bbs_view > ul.comment > li:nth-child(1) > p:nth-child(1){
    font-size:12px
}
.bbs_view > ul.comment > li:nth-child(1) > p:nth-child(2){
    font-weight: 500;
    padding:10px;
}
.bbs_view > div.comm_write{
    border:1px solid #c0c0c0;
    padding:10px;
    margin-top:10px
}

.bbs_view > div.comm_write textarea{
    border:0px;
}
.bbs_view > div.comm_write > p{
    text-align: right;
    margin-top:10px
}
.bbs_photo{
    border-top:1px solid #666;
    border-bottom:1px solid #ccc;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding:20px;
}
.bbs_photo li{
    width:33.33%;
    padding:30px;
    text-align:center;
}
.bbs_photo > li p:nth-child(1) img{
    width:100%
}
.bbs_photo > li p:nth-child(2){
    font-size: 18px;
    font-weight: 600;
}.bbs_photo > li p:nth-child(3){
    font-size: 12px;
}

/*동문수첩*/

/*동문검색*/
.tax_member{
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    height:300px;
    margin-bottom:50px
    

}
.tax_member > div{
    margin:15px 8px;
    padding:30px;
}
.tax_member > div:not(:nth-child(1)){
    width:250px;
    display: flex;
    align-items:center;
    justify-content: center;
    font-size:18px;
    font-weight: 600;
}
.tax_member > div:nth-child(1) > p:nth-child(1){
    font-size:22px;
    color:#03267E;
    font-weight: 600;
    padding-bottom:10px;
}
.tax_member > div:nth-child(1) > p{
    width:500px;
    padding:4px;
}
.tax_member > div:nth-child(3), .tax_member > div:nth-child(4){
    display: block;
    padding:0px;
    text-align:center
}
.tax_member > div:nth-child(3) > p{
    height:36.5%;
    margin-top:5%;
    padding-top:35px;
}
.tax_member > div:nth-child(4) > p{
    height:31%;
    margin-top:5%;
    padding-top:25px;
    color:#333
}
.tex_ms{
    display:flex;
    justify-content: space-between;
}
    .tex_ms > span:nth-child(1){
        text-align:right;
        width:26%;
        padding:0 10px 0 0;
        line-height: 2.2em;
    }
    .tex_ms > span:nth-child(2){
        text-align:right;
        width:72%;
    }
    .tex_ms > span:nth-child(3){
        width:30%;
    }
    .tex_ms_btn{
        display: inline-block;
        width:80%;
        margin:5px 15px;
        padding:5px 15px;
        border-radius: 10px;
        background-color:#275EEE;
        opacity: 1;
        color:#fff;
        text-align:center;
        cursor: pointer;
    }
    .tex_ms_btn:hover{
        background-color:#324adf;;
    }

    /*기수별*/
.tax_member_nd{
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.tax_member_nd > li{
    display: flex;
  align-items: center;
  justify-content: center;
  flex-basis: calc(12.5% - 10px);
  height: 100px;
  order: 2;  /* 모든 아이템들을 2번째 순서로 기본 설정 */
  font-size:18px;
  font-weight: 600;
}
.tax_member_nd_nd > li:last-child {
    order: 1;  /* 마지막 아이템만 1번째 순서로 설정 */
  }
  
.tax_member_nd > li:not(:last-child) {
    margin-bottom: 10px;
  }

  /*내국세*/
.tax_member_02{
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 10px;
}
.tax_member_02 > div{
    flex-basis: calc(13% - 10px);
    font-size: 20px;
    font-weight: 600;
    color:#203BBC;
    text-align:center;
    padding-top:110px;
}
.tax_member_02 > ul:nth-child(2){
    display: flex;
    flex-direction: column; 
    gap:10px;
    flex-basis: calc(15% - 10px);
    font-size: 20px;
    font-weight: 600;
    color:#203BBC;
    text-align:center;

}
.tax_member_02 > ul:nth-child(2) > li{
    padding-top:22px;
    height:80px;
}
.tax_member_02 > ul:nth-child(3){
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    flex-basis: calc(72% - 10px);
    margin:15px 0;
}
.tax_member_02 > ul:nth-child(3) > li{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-basis: calc(50% - 10px);
    height: 50px;
    order: 2;  /* 모든 아이템들을 2번째 순서로 기본 설정 */
    font-size:16px;
    font-weight: 600;
}
.tax_member_02 > ul:nth-child(3) > li > div{
    padding:0 5px;
}
.tax_member_02 > ul:nth-child(3) > li > div select{
    width:130px;
}
.tax_member_02 > ul:nth-child(2) > li:last-child {
    order: 1;  /* 마지막 아이템만 1번째 순서로 설정 */
  }

/*동문검색 리스트, 상세보기*/
table.member_table th{
    border-bottom:1px solid #333;
}
table.member_table > tbody > tr:hover{
    background-color: #e6e6e6;
    cursor: pointer;
}

table.member_table  td img{
    width:70px;
    border:1px solid #ddd
}


.member_view{
    display:flex;
    margin-top:30px;
    
}
.member_view > div:nth-child(1){
    width:180px;
}
.member_view > div:nth-child(2){
    width:1000px;
}
.member_view > div > p > img{
    border:1px solid #ccc;
    width:100%;
    margin-bottom: 20px;
}
.member_view > div >ul{
    display: flex;
}
.member_view > div >ul > li{
    padding:5px 10px;
}
.member_view > div >ul > li:nth-child(1){
    width:150px;
    text-align: right;
    font-weight:600
}
.member_view > div >ul > li:nth-child(2){
    width:100%;
    
}



/*공통*/
.btn_blue{
    background-color:#324adf;
    border-radius: 10px;
    color:#fff;
    padding:10px 30px;
    margin:30px 5px;
    text-align:center;
    cursor: pointer;
}
.btn_blue:hover{
    background-color: #203BBC;
}
.btn_gray{
    background-color:#666;
    border-radius: 10px;
    color:#fff;
    padding:10px 30px;
    margin:30px 5px;
    text-align:center;
    cursor: pointer;
}
.btn_gray:hover{
    background-color: #555;
}
.btn_sub{
    background-color:#999;
    border-radius: 10px;
    color:#fff;
    padding:5px 15px;
    margin:0px auto;
    text-align:center;
    cursor: pointer;
    font-size:13px;
}
.btn_sub_member{
    background-color:#999;
    border-radius: 10px;
    color:#fff;
    padding:3px 15px;
    text-align:center;
    cursor: pointer;
    font-size:14px;
}
.btn_sub:hover, .btn_sub_member:hover{
    background-color: #888;
}
.btn_right{
    text-align:right;
    margin-top:30px
}

.box_shodow, .box_shodow_over{
    border-radius: 15px;
    border:1px solid #e6e6e6;
    background-color:#fff;
    box-shadow: 0px 0px 5px 5px #ebebeb;
}
.box_shodow_over:hover{
    background-color: #f7f7f7;
    cursor: pointer;
}
.top_btn{
    position: fixed;
  bottom: 150px;      /* 화면 하단으로부터 50px 위에 배치 */
  left: 50%;         /* 화면의 가운데를 기준으로 설정 */
  transform: translateX(-50%); /* 요소의 너비의 50%만큼 왼쪽으로 이동시키기 */
  margin-left: 680px; /* 중앙 기준 왼쪽으로 50px 추가로 이동 */
  width: 40px;
  height: 80px;
  background-color: #275EEE;
  box-shadow: 0 0px 8px rgba(0, 0, 0, 0.5);
  border-radius: 100px;
  cursor: pointer;
  z-index: 100;
}
.top_btn:hover{
    background-color:#03267E;
}
.top_btn img{
    padding:13px 9px
}

.font_18{
    font-size:18px;
    font-weight: 600;
}
.font_center{
    text-align:center
}
.font_blue{
    color:#03267E;
}

/* *졸업앨범**/
.album{
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}
.album > li{
  flex-basis: calc(20% - 30px);
  height: 115px;
  padding:30px 0px;
  text-align:center;
  order: 2;  /* 모든 아이템들을 2번째 순서로 기본 설정 */
  
}
.album > li > span:nth-child(1){
    font-size:18px;
    font-weight: 600;
    color:#03267E;
}
.album > li:not(:last-child) {
    margin-bottom: 10px;
  }