/* sub_intro */
.sub_intro{
    padding: 250px 0 0;
}
.sub_intro>.center2{
    margin-bottom: 60px;
    align-items: flex-start;
}
.sub_gnb{
    gap: 0 10px;
}
.sub_nav{
    background-color: #231915;
    padding: 21px 0;
}
.sub1_nav li{
    width: calc((100% - 2px) / 3);
}
.sub2_nav li{
    width: calc((100% - 1px) / 2);
}
.sub3_nav li{
    width: 100%;
}
.sub_nav li.line{
    width: 1px;
}
.sub_nav .line p{
    width: 100%;
    height: 18px;
    background-color: #959595;
}
.sub_img{
    font-size: 0;
}
.sub_img img{
    width: 100%;
}
.sub_bg{
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    padding: 252px 0;
}
.sub1_2_bg{
    background-image: url(../img/s1_2_bg1.webp);
}
.sub2_2_bg{
    background-image: url(../img/s2_2_bg1.webp);
}
.sub3_bg{
    background-image: url(../img/s3_bg1.webp);
}
.sub4_bg{
    background-image: url(../img/s4_bg.webp);
}

/* sub1_1 */
.s1_1_con1_sec1{
    padding-bottom: 110px;
    gap: 60px 0;
}
.s1_1_con1_sec1 .title {
    gap: 30px 0;
}
.s1_1_con1_sec1 .title .ok_gung{
    font-weight: normal;
}
.s1_1_con1_sec2{
    padding-bottom: 85px;
    gap: 30px 0;
}
.s1_1_con1_sec2 .title {
    gap: 20px 0;
}
.s1_1_con2{
    padding: 140px 0;
    background-color: #231915;
}
.s1_1_con2 .center2{
    gap: 5%;
}
.s1_1_con2_img{
    width: 55%;
}
.s1_1_con2_img img{
    width: 100%;
}
.s1_1_con2_sect{
    width: 40%;
    gap: 0 25px;
    position: relative;
}
.s1_1_con2_sect .line{
    background-color: #cccccc;
    position: absolute;
    top: 0;
    left: -26px;  
    width: 1px;

    /*height: 84%; */
    height: 100% !important;
}
.s1_1_con2_sect ul{
    gap: 40px 0;
}
.s1_1_con2_sect li{
    gap: 10px 0;
}
.s1_1_con2_sect .date{
    position: relative;
}
.s1_1_con2_sect .date::after{
    background-color: #9f9f9f;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    left: -29px;
    position: absolute;
    content: "";
}
.s1_1_con2_sect .p_date{
    position: relative;
}
.s1_1_con2_sect .p_date::after{
    background-color: #bc9635;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    left: -30px;
    position: absolute;
    content: "";
}

/* sub1_2 */
.sub1_2{
    padding: 140px 0 180px;
}
.s1_2_con{
    gap: 100px 0;
}
.s1_2_img{
    width: 35%;
}
.s1_2_img img{
    width: 100%;

    /*width: 80%;*/
}
.s1_2_txt{
    width: 60%;
}
.s1_2_con_title{
    gap: 20px 0;
}
.s1_2_ul{
    margin-top: 30px;
    border-top: 2px solid #bc9635;
}
.s1_2_ul li{
    padding: 8.5px 0;
}
.s1_2_ul li:not(:last-child) {
    border-bottom: 1px solid #ccc;
}
.s1_2_ul li strong{
    width: 20%;
}

/* sub1_3 */
.s1_3_con1{
    padding: 140px 0 380px;
    position: relative;
}
.contact_map {
    width: 100%;
    height: 490px;
    position: absolute;
    left: 0;
    bottom: -25%;
}
.s1_3_con2{
    padding: 215px 0 115px;
    background-color: #231915;
}
.s1_3_con2 .title{
    width: 33%;
}
.s1_3_con2 ul{
    width: 67%;
}
.s1_3_con2 li{
    width: 49%;
    padding-left: 10px;
    border-left: 3px solid #bc9635;
    box-sizing: border-box;
    gap: 30px 0;
}
.s1_3_con2 li strong{
    width: 15%;
}
.s1_3_con2 li p{
    width: 85%;
}

/* sub2_1 */
.s2_1_con1{
    padding: 333px 0;
    background-image: url(../img/s2_1_bg.webp);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    position: relative;
}
.animation{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
#particles-js{
    position: absolute;
    left: 50%;
    width: 440px;
    height: 440px;
    top: 42%;
    transform: translate(-50%, -50%);
    border-radius: 100%;
    overflow: hidden;
}
.s2_1_con1_txt .txt2{
    text-align: right;
}
.s2_1_con2{
    padding: 170px 0 135px;
    background-color: #f4f4f4;
}
.s2_1_con2 .imgs{
    margin-top: 115px;
    width: 100%;
}
.s2_1_con2 img{
    width: 100%;
}
.s2_1_con3{
    padding: 140px 0 150px;
    background-image: url(../img/s2_1_bg2.webp);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}
.s2_1_con3_sect1 .title{
    gap: 30px 0;
}
.s2_1_con3_sect1 .imgs{
    margin-top: 60px;
    width: 100%;
}
.s2_1_con3_sect1 .imgs img{
    width: 100%;
}
.s2_1_con3_ul{
    margin-top: 175px;
    gap: 40px 0;
}
.s2_1_con3_ul li {
    gap: 1%;
    align-items: stretch; /* 자식 요소들의 높이를 동일하게 */
}
.s2_1_con3_ul .imgs{
    width: 30%;
    font-size: 0;
    display: flex; /* flex 추가 */
}
.s2_1_con3_ul .imgs img{
    width: 100%;
    height: 100%; /* 부모 높이에 맞춤 */ 
    border-radius: 10px; /* 선택사항: 모서리 둥글게 */
}
.s2_1_con3_ul .txt_box{
    flex: 1;
    background-color: #fff;
    border-radius: 10px;
    display: flex; /* flex 추가 */
}
.s2_1_con3_ul .txts{
    padding: 2vw 1.5vw 1vw;
    align-items: flex-start;
    width: 100%; /* 전체 너비 사용 */
}
.s2_1_con3_ul .title{
    gap: 0 1.5vw;
}
.s2_1_con3_ul .line{
    margin: 15px 0 20px;
    background-color: #ccc;
    width: 100%;
    height: 1px;
}
.s2_1_con3_ul .txt2{
    padding: 14.5px 23px;
    background-color: #bc9635;
    border-radius: 50px;
}
.s2_1_con3_ul .txt3{
    margin: 15px 0 5px;
}

/* sub2_2 */
.sub2_2{
    padding: 175px 0 185px;
}
.s2_2_con1_ul{
    margin-top: 60px;
}
.s2_2_con1_ul li{
    width: 11.5%;
    position: relative;
    border-radius: 20px;
}
.s2_2_con1_ul li.list1{
    background-color: #ffc000;
}
.s2_2_con1_ul li.list2{
    background-color: #be9000;
}
.s2_2_con1_ul li.list3{
    background-color: #7e5f00;
}
.s2_2_con1_ul li.list4{
    background-color: #eebe2b;
}
.s2_2_con1_ul li.list5{
    background-color: #cda423;
}
.s2_2_con1_ul li.on{
    width: 51%;
    opacity: 1;
}
.s2_2_con1_ul li img{
    width: 100%;
    height: 100%;
    opacity: 0;
}
.s2_2_con1_ul li.on img{
    opacity: 1;
}
.s2_2_con1_ul li.on .txt1,
.s2_2_con1_ul li.on .txt2{
    opacity: 0;
}
.s2_2_con1_ul li .txt1{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%);
    opacity: 1;
    width: 100%;
}
.s2_2_con1_ul li .txt2{
    gap: 15px 0;
    position: absolute;
    left: 50%;
    top: 80%;
    transform: translate(-50%);
    opacity: 1;
    width: 100%;
}
.s2_2_con1_ul .circle{
    width: 6px;
    height: 6px;
    background-color: #ffffff;
    border-radius: 50%;
}
.s2_2_con1_ul .text_wrap{
    position: absolute;
    bottom: 0;
    left: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
}
.s2_2_con1_ul li.on .text_wrap{
    opacity: 1;
}
.s2_2_con1_ul .text_wrap .text{
    padding: 0 2vw 1.5vw;
    gap: 30px 0;
    justify-content: flex-end;
    height: 90%;
}

/* sub3 */
.sub3{
    padding: 140px 0 155px;
}
.s_search{
    gap: 0 5px;
}
.s_search input{
    border: 1px solid #d7d7d7;
}
.search_btn{
    padding: 12px 36px;
    background-color: #bc9635;
}
.s3_con{
    margin-top: 25px;
}
.s3_ul{
    border-top: 1px solid #111111;
}
.s3_ul li{
    padding: 20px 0;
    border-bottom: 1px solid #cccccc;
}
.s3_imgs{
    width: 15%;
    height: 7.5vw;
}
.s3_imgs img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}
.s3_txts{
    gap: 25px 0;
    width: 83%;
}
.s3_txts .title{
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    word-break: break-all;
}
.page_btn{
    margin-top: 70px;
}
.page_btn a{
    margin: 0 15px;
}
.page_btn .page_num{
    width: 33px;
    height: 33px;
    background-color: #231915;
    border-radius: 10px;
    margin: 0;
}

/* sub_detail */
.sub_detail{
    padding: 140px 0 130px; 
}
.s_d_title{
    padding: 30px;
    border-top: 1px solid #cccccc;
    border-bottom: 1px solid #cccccc;
    box-sizing: border-box;
}
.s_d_cont{
    padding: 30px 30px 100px;
    border-bottom: 1px solid #cccccc;
    box-sizing: border-box;
}
.s_d_cont img{
    width: 100%;
}
.s_d_file{
    padding: 20px 30px;
    gap: 0 10px;
    border-bottom: 1px solid #cccccc;
    box-sizing: border-box;
}
.s_d_list {
    margin-top: 65px;
}
.s_d_list p{
    padding: 12px 81px;
    background-color: #bc9635;
}
.s_title3{
    margin-bottom: 60px;
}

/* sub4_1 */
.sub4_1{
    padding: 140px 0 155px;
}
.s_title2{
    margin-bottom: 80px;
}
.s4_1_con{
    margin-top: 40px;
}
.s4_1_con table{
    width: 100%;
    border-collapse: collapse;
    border-top: 1px solid #111111;
    box-sizing: border-box;
}
.s4_1_con th,
.s4_1_con td{
    border-bottom: 1px solid #cccccc;
    box-sizing: border-box;
}
.s4_1_con th{
    padding: 28px 0;
}
.s4_1_con td{
    padding: 18px 0;
}
.s4_1_con .td2{
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    word-break: break-all;
    max-width: 100px;
}

/* sub4_2 */
.sub4_2{
    padding: 140px 0 155px;
}
.s4_2_con{
    margin-top: 55px;
}
.s4_2_ul{
    gap: 50px 40px;
}
.s4_2_ul li{
    gap: 20px 0;
    width: calc((100% - 80px) / 3);
}
.s4_2_ul .imgs{
    width: 100%;
    height: 16.1vw;
    font-size: 0;
}
.s4_2_ul .imgs img{
    border-radius: 10px;
    width: 100%; 
    height: 100%;
    object-fit: cover;
}
.s4_2_ul .txts{
    gap: 15px 0;
}
.s4_2_ul .txts p.txt1{
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    word-break: break-all;
}
/* sub4_3 */
.sub4_3{
    padding: 140px 0 155px;
}
.s4_3_con{
    gap: 100px 0;
} 
.s4_3_left{
    padding-top: 25px;
    border-top: 2px solid #222222; 
    width: 30%;
    gap: 15px 0;
}
.s4_3_right{
    padding-top: 25px;
    align-items: flex-start;
    width: 65%;
}
.s4_3_right .imgs{
    margin: 35px 0 20px;
    gap: 0 20px;
}
.s4_3_right .imgs img{
    width: 100%;
}
.s4_3_right .links{
    padding: 13px 28px;
    gap: 0 15px;
    background-color: #bc9635;
}

/* mobile */ 
@media screen and (max-width: 767px){ 
    /* sub_intro */
    .sub_intro {
        padding: 200px 0 0;
    }
    .sub_intro>.center2{
        flex-direction: column;
        gap: 20px 0;
    }
    .sub_nav{
        padding: 15px 0;
    }
    .sub_nav .line p{
        height: 12px;
    }
    .sub_bg{
        background-attachment: unset;
    }

    /* sub1_1 */
    .s1_1_con2 {
        padding: 100px 0;
    }
    .s1_1_con2 .center2{
        flex-direction: column;
        gap: 30px 0;
    }
    .s1_1_con2_img {
        width: 100%;
    }
    .s1_1_con2_sect {
        width: 80%;
    }
    .s1_1_con2_sect .line {
        height: 86%;
    }

    /* sub1_2 */
    .sub1_2{
        padding: 100px 0;
    }
    .s1_2_con>li{
        flex-direction: column;
        gap: 30px 0;
    }
    .s1_2_con>li.list2{
        flex-direction: column-reverse;
    }
    .s1_2_img {
        width: 100%;
    }
    .s1_2_txt {
        width: 100%;
    }

    /* sub1_3 */
    .s1_3_con1 {
        padding: 100px 0 320px;
    }
    .contact_map{
        height: 400px;
    }
    .s1_3_con2 {
        padding: 150px 0 100px;
    }
    .s1_3_con2 .center2{
        flex-direction: column;
        gap: 30px 0;
        align-items: flex-start;
    }
    .s1_3_con2 .title {
        width: 100%;
    }
    .s1_3_con2 ul {
        width: 100%;
        flex-direction: column;
        gap: 20px 0;
    }
    .s1_3_con2 li{
        width: 100%;
        gap: 15px 0;
    }
    .s1_3_con2 li strong {
        width: 20%;
    }
    .s1_3_con2 li p {
        width: 80%;
    }

    /* sub2_1 */
    .s2_1_con1_txt{
        flex-direction: column;
        align-items: flex-start !important;
        gap: 5px 0;
    }
    .s2_1_con1_txt .txt2 {
        text-align: left;
    }
    .animation img{
        width: 90%;
    }
    #particles-js{
        width: 320px;
        height: 320px;
        top: 43%;
    }
    .s2_1_con2{
        padding: 100px 0;
    }
    .s2_1_con2 .imgs {
        margin-top: 65px;
    }
    .s2_1_con3{
        padding: 100px 0;
    }
    .s2_1_con3_ul li{
        flex-direction: column;
        gap: 10px 0;
    }
    .s2_1_con3_ul .imgs {
        width: 100%;
    }
    .s2_1_con3_ul .txts{
        padding: 20px;
    }
    .s2_1_con3_ul .txt2 {
        padding: 12.5px 15px;
    }

    /* sub2_2 */
    .sub2_2 {
        padding: 100px 0;
    }
    .s2_2_con1_ul{
        flex-direction: column;
        gap: 30px 0;
    }
    .s2_2_con1_ul li, .s2_2_con1_ul li.on{
        width: 100%;
        height: 300px;
    }

    /* sub3 */
    .sub3{
        padding: 100px 0;
    }
    .s_top{
        flex-direction: column;
        gap: 20px 0;
        align-items: flex-start !important;
    }
    .search_btn {
        padding: 10px 30px;
    }
    .s3_imgs{
        width: 30%;
        height: 15.5vw;
    }
    .s3_txts {
        gap: 15px 0;
        width: 68%;
    }
    .page_btn {
        margin-top: 40px;
    }

    /* sub_detail */
    .sub_detail {
        padding: 100px 0;
    }
    .s_d_title{
        padding: 15px;
    }
    .s_d_cont{
        padding: 15px 15px 50px;
    }
    .s_d_file{
        padding: 15px;
    }
    .s_d_list p {
        padding: 12px 60px;
    }

    /* sub4_1 */
    .sub4_1{
        padding: 100px 0;
    }
    .s_title2 {
        margin-bottom: 40px;
    }
    .s4_1_con th {
        padding: 18px 0;
    }
    .s_title3 {
        margin-bottom: 30px;
    }

    /* sub4_2 */
    .sub4_2{
        padding: 100px 0;
    }
    .s4_2_ul{
        gap: 50px 20px;
    }
    .s4_2_ul li{
        width: calc((100% - 40px) / 3);
    }

    /* sub4_3 */
    .sub4_3{
        padding: 100px 0;
    }
    .s4_3_con>li{
        gap: 30px 0;
        flex-direction: column;
    }
    .s4_3_left{
        width: 100%;
    }
    .s4_3_right{
        width: 100%;
    }
    .s4_3_right .imgs{
        flex-direction: column;
        gap: 20px 0;
    }
}

/* tablet */
@media screen and (min-width: 768px) and (max-width: 1024px){

    /* sub1_3 */
    .s1_3_con1 {
        padding: 120px 0 350px;
    }
    .contact_map{
        height: 450px;
    }
    .s1_3_con2 {
        padding: 200px 0 120px;
    }
    .s1_3_con2 .center2{
        flex-direction: column;
        gap: 50px 0;
        align-items: flex-start;
    }
    .s1_3_con2 .title {
        width: 100%;
    }
    .s1_3_con2 ul {
        width: 100%;
        flex-direction: column;
        gap: 30px 0;
    }
    .s1_3_con2 li{
        width: 100%;
        gap: 20px 0;
    }
    .s1_3_con2 li strong {
        width: 10%;
    }
    .s1_3_con2 li p {
        width: 90%;
    }

    /* sub2_2 */
    .sub2_2 {
        padding: 120px 0;
    }
    .s2_2_con1_ul{
        flex-direction: column;
        gap: 35px 0;
    }
    .s2_2_con1_ul li, .s2_2_con1_ul li.on{
        width: 100%;
        height: 400px;
    }

    /* sub4_2 */
    .s4_2_ul{
        gap: 50px 30px;
    }
    .s4_2_ul li{
        width: calc((100% - 60px) / 3);
    }

    /* sub4_3 */
    .s4_3_con>li{
        gap: 35px 0;
        flex-direction: column;
    }
    .s4_3_left{
        width: 100%;
    }
    .s4_3_right{
        width: 100%;
    }

}