@media screen and (max-width: 1200px) {
    /* main */
    .header .gnb {
        display: none;
    }
    .header .right {
        display: block;
    }
    .header-inner {
        padding: 20px 50px;
    }
    .header.active-overlay .gnb {
        display: none !important;
    }
    .overlay-menu > ul .menu {
    width: auto;}
    .overlay-menu > ul .menu > a {
    font-size: 16px;}
    .overlay-menu .sub-menu li a {
    font-size: 14px;}
    .header .hamburger span {
        background: #333;}
    .header .hamburger.active span:nth-child(1),
    .header .hamburger.active span:nth-child(3) {
        background: #333;
    }

    .main-visual .slide-inner {
        left: 5%;
    }
.main-visual .swiper {
        height: 100%;
}
.main-visual .swiper-slide img {
    height: 100%;
        object-fit: cover;
}
.main-visual .slide-inner .main-title {
    font-size: 40px;
}
.main-visual .slide-inner .sub-title {
    font-size: 20px;
}
.main-visual .controller-inner {
    padding-left: 5%;
}
.main-visual .visual-pagination .swiper-pagination-bullet {
    font-size: 16px;
}
.content-intro .txt-box .tit {
    font-size: 30px;
    line-height: 45px;
}
.content-intro .intro-top-item .img-box {
    width: 50%;
}
.content-intro .txt-box .desc {
    font-size: 18px;
}
.content-intro .item-right .txt-box .tit {
    font-size: 50px;
    line-height: 60px;
} 
.intro-sticky-wrap .bg-txt {
    text-align: right;
    top: 50px;
    font-size: 140px;
    line-height: 170px;
}
.content-intro .container {
    max-width: 1000px;
}
.content-intro .intro-top-item .txt-box .icon-box {
    margin: 30px 0;
}
.card-stack-layout .txt-wrap {
    padding: 30px 50px 60px;
}
.card-inner .txt-wrap .txt-box .num {
    font-size: 90px;
    max-height: 110px;
}
.card-inner .txt-wrap .txt-box h2 {
    font-size: 60px;
}
.card-inner .txt-wrap .txt-box .top::before {
    bottom: -24px;
}
.card-stack-layout .txt-wrap .txt-box {
    gap: 30px;
}
.card-inner .txt-wrap .cate {
    font-size: 20px;
}
.solution-section .inner-container {
    max-width: 1000px;
}
.solution-section .txt-box .tit {
    font-size: 40px;
    line-height: 50px;
}
.solution-section .txt-box .desc {
    font-size: 18px;
    margin-top: 30px;
    line-height: 25px;
}
.solution-section .swiper-slide p {
    font-size: 20px;
        bottom: 25px;
}
.contact .cont-inner {
    max-width: 1000px;
}
.contact .cont-wrap .left .tit {
    font-size: 40px;
}
.contact .cont-wrap .left .desc {
    line-height: 25px;
    font-size: 18px;
}
.contact .cont-wrap .right .top p {
    font-size: 16px;
}
.contact .cont-wrap .right {
    width: 70%;
}
.contact .cont-wrap .right .inquiry li {
    width: 48.5%;
}
.contact .img-box img {
    min-height: 800px;
}
.top-btn {
    width: 50px;
    height: 50px;
        top: -25px;
}
.arrow {
    width: 16px;
    height: 16px;
}
.footer .top .img-box {
    max-width: 1000px;
}
.footer .mid {
    max-width: 1000px;
}
.footer .mid ul li {
    margin-right: 30px;
}
.footer .mid ul li .info {
    font-size: 14px;
}
.footer .bot {
    max-width: 1000px;
}



































    /* main */

    /* sub */
    .sub1-1 .greet {
            padding-left: 5%;
    }
.sub-top .txt-box h2 {
    font-size: 50px;
    letter-spacing: 5px;
}
.sub-top .txt-box p {
    font-size: 22px;
}
.sub-tabs .tabs-inner {
    gap: 60px;
}
.sub-tabs .tabs-inner li a {
    font-size: 14px;
}
.sub1-1 .greet .inner > .img-box {
        width: 50%;
}
.sub .sub-tit {
    font-size: 18px;
}
.sub .tit {
       font-size: 45px;
}
.sub1-1 .greet .tit {
    line-height: 60px;
}
.sub .desc {
    padding-top: 30px;
        font-size: 16px;
    line-height: 25px;
}
.sub1-1 .greet .txt-box img {
    padding-top: 50px;
        width: 300px;
}
.sub1-1 .vision .semi-tit {
    font-size: 30px;
    line-height: 40px;
}
.sub1-1 .vision .txt-box {
    padding-right: 150px;
}
.sub1-1 .net-map img.net-map-img {
    display: block;
    width: 100%;
            padding: 0 50px;
}
.sub1-1 .net-map .net-map-bg,
.sub1-1 .net-map .img-box img {display: none;}


.sub1-2 .history-wrap .history .year {
    font-size: 40px;
}
.sub1-2 .history-wrap .history .month {
    font-size: 25px;
}
.sub1-2 .history-wrap .img-box {
    width: 45%;
    padding-top: 100px;
}
.sub1-2 .history-wrap .img-box img {
    width: 90%;
}
.sub1-3 .cont-inner img {
    width: 70%;
}
.sub1-4 .swiper-button-next, .sub1-4 .swiper-button-prev {
    display: none;
}
.sub1-4 .cert-slider-wrap {
    width: 70%;
    margin: 0;
}
.sub1-4 .cert-swiper {
    padding: 0;
}
.sub1-4 .swiper-slide-active .cert-item {
    transform: scale(1.05);
}
.sub1-4 .cert-item .cert-name {
    font-size: 16px;
}
.sub1-4 img {
    width: 200px;
}
.sub1-4 .cert ul li p {
    font-size: 16px;
}
.sub1-4 .cert ul.nth-ul {
    padding-left: 110px;
}
.sub1-5 .map-wrap {
    max-width: 1000px;
}
.sub .intro .txt-box .tit {
    font-size: 50px;
}
.sub .intro .txt-box .sub-tit {
    font-size: 23px;
}
.sub .intro .txt-box {
    gap: 20px;
}
.sub .intro .txt-box .desc {
    font-size: 18px;
}
.sub5 .cont-inner .txt-box {
    left: 40px;
    top: 40px;
}
.sub5 .cont-inner .txt-box .num {
    font-size: 40px;
}
.sub5 .cont-inner .txt-box .tit {
    font-size: 23px;
    line-height: 35px;
}
.sub5_1 .cont-item .en-desc {
    font-size: 16px;
    line-height: 25px;
}
.sub2_1 .nth-item {
    max-width: 1000px;
}
.sub2_1 .nth-item > .img-box {
    width: 80%;
}
.sub3_2 .tit-box {
    max-width: 1000px;
}
.sub2_2 .info-box {
    max-width: 1000px;
}
.sub3_1 .shape p {
    font-size: 16px;
}
.sub3_1 .nth-cont .cont-inner > .txt-box {
    max-width: 1000px;
}
.sub3_1 .nth-cont .cont-item {
    max-width: 1000px;
}
.sub5_1 .cont-item {
    gap: 80px;
}
.sub3_2 .shape {
    gap: 50px;
}
.sub4_1_1 .product-item .big-num {
    font-size: 200px;
}
.sub4_1_1 .product-item .txt-box {
    margin-top: -90px;
    padding: 50px 0;
}
.sub4_1_1 .product-item .txt-box .tit {
    font-size: 80px;
}
.sub4_1_1 .info-box .box-tit {
    font-size: 18px;
}
.sub4_1_1 .product-item .info-box .desc,
.sub4_1_1 .product-item .info-box .en-desc {
    font-size: 16px;
}
.sub4_1_1 .product-item .img-area {
    width: 40%;
}
.sub .chart-wrap .spec th,
.sub .chart-wrap .spec td {
    font-size: 16px;
}
.sub4_1_5 .product-item .img-box img {
    width: 80%;
}
.sub4_1_5 .detail-chart .desc {
    font-size: 18px;
    padding-top: 0;
}
.sub4_2 .right {
    display: none;
} 
.sub4_3_2 .type div .txt-box p {
    font-size: 18px;
    line-height: 30px;
}
.sub4_3_2 .type > div {
    justify-content: space-around;
}
.sub4_6 .nth-cont .img-box {
    width: 80%;
}
.sub4_6 .nth-cont .desc {
    font-size: 18px;
    padding-top: 0;
}
.sub5_1 .cont-item .txt-wrap .icon-box {

}
.sub5_1 .cont-item .icon-box img {
   
}
.sub5_1 .cont-item .img-box {
    width: 40%;
}
.sub5_1 .cont-item .txt-wrap .txt-box {
    padding-right: 20px;
}
.sub6_1 .cont-item .info-wrap {
    flex-direction: column;
}
.sub6_1 .cont-item {
    max-width: 1000px;
}
.sub6_1 .cont .sub6-1-bg-left {
    display: none;
}
.sub6_1 .cont .sub6-1-bg-right {
    bottom: -10%;
    width: 60%;
}
    .sub6_2 .nth-item .img-box {
        width: 100%;
    }
    .sub6_2 .nth-item .txt-wrap .img-box {
        width: 50%;
    }
.sub6_2 .nth-item .nth-wrap ul li p {
    font-size: 16px;
}
.sub6_2 .nth-item .nth-wrap ul li p:last-child {
    font-size: 16px;
}
.sub6_2 .nth-item .img-box img {
    width: 100%;
}
.sub6_2 .nth-item .major2 .info-box td {
    font-size: 18px;
}
.sub6_2 .nth-item .major2 .info-box .nth-td {
    font-size: 20px;
}
.sub6_2 .nth-item .major2 .info-box td span {
    font-size: 14px;
}
.sub6_2 .nth-item .major3 > div {
    width: 30%;
}
.sub6_2 .nth-item .major3 > div::after {
    width: 15px;
    background-size: contain;
}
.sub6_2 .nth-item .major3 .txt-box {
    font-size: 14px;
}
    .sub6_4 .nth-item .img-box {
        width: 100%;
    }

    .sub6_5 .cont-item {
        gap: 50px;
    }
    .sub6_5 .cont-item .img-box {
        width: 100%;
    }
.sub6_5 .cont-item {
    flex-direction: column;
}
.sub .chart-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
    /* sub */
}

@media screen and (max-width: 860px) {
    /* main */
    .overlay-menu .sub-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out; /* 부드러운 슬라이드 애니메이션 */
}
.overlay-menu > ul {
    flex-direction: column;
}
.overlay-menu > ul .menu.active {
    margin-bottom: 30px;
}
.overlay-menu .sub-menu li a br {
    display: none;
}


.overlay-menu > ul .menu {border: 0;}
.content-intro .intro-top-item {
    gap: 30px;
}
    .content-intro .txt-box .tit {
        font-size: 20px;
        line-height: 30px;
    }
    .content-intro .txt-box .desc {
        font-size: 16px;
        line-height: 25px;
                letter-spacing: -1px;
    }
.content-intro .intro-top-item .txt-box .icon-box img {
    width: 50px;
}
    .content-intro .item-right .txt-box .tit {
        font-size: 30px;
        line-height: 40px;
            transform: translateX(100px);
    }
    .intro-sticky-wrap .bg-txt {
        font-size: 100px;
        line-height: 130px;
    }
    .content-intro .container {
        padding: 0 50px;
    }
.card-inner .txt-wrap .txt-box h2 {        
    font-size: 40px;
    padding-left: 30px;
}
    .card-inner .txt-wrap .txt-box .num {
        font-size: 70px;
        max-height: 80px;
    }
.card-inner .txt-wrap .txt-box h2:last-child {
    margin-top: 10px;
}
.card-inner {
    height: 400px;
}
    .card-inner .txt-wrap .cate {
        font-size: 16px;
    }
.side-progress-wrap {
    display: none;
}
    .solution-section .inner-container {
        padding: 0 50px;
    }
.solution-section .control-wrap {
    width: 100px;
}
.contact .cont-inner {
    flex-direction: column;
}
    .contact .img-box img {
        min-height: 1000px;
    }
    .contact .cont-inner {
        padding: 0 50px;
                gap: 50px;
    }
.contact .cont-wrap .left .desc br {display: none;}
    .contact .cont-wrap .right {
        width: 100%;
    }
.footer .top {
    padding: 50px;
}
.footer .mid ul {
    flex-direction: column;
    gap: 50px;
}
    .footer .mid {
        padding: 50px;
    }
    .footer .bot {
        padding: 0 50px 30px;
    }
    .content-intro .intro-top-item .txt-box .icon-box {
        margin: 20px 0;
    }
    /* main */

    /* sub */
    .sub-top .txt-box h2 {
        font-size: 30px;
        letter-spacing: 3px;
    }
    .sub-top .txt-box p {
        font-size: 18px;
        font-weight: 400;
    }
.sub-top {
    height: 50vh;
}
.sub-tabs {
    display: none;
}
.sub {
    padding: 100px 0;
}
.sub1-1 .greet .inner {
    flex-direction: column;
    gap: 50px;
}
.sub1-1 .greet .inner > .img-box {
    width: 80%;
    margin-left: auto;
}
.sub1-1 .greet .tit br {
    display: none;
}
    .sub1-1 .greet .txt-box img {
        display: none;
    }
.sub1-1 .greet {
    padding-bottom: 100px;
}
.sub1-1 .vision .inner {
    text-align: right;
}
    .sub1-1 .vision .txt-box {
        padding-right: 50px;
    }
.sub1-1 .network {
    padding-bottom: 100px;
}

.sub1-2 .history-wrap .history .year {
        font-size: 30px;
    }
    .sub1-2 .history-wrap .history .month {
        font-size: 20px;
    }
.sub1-2 .history-wrap .history {
    width: 50%;
     gap: 50px;
}

.sub1-2 .history-wrap {
    gap: 50px;
            padding-bottom: 100px;
}
    .sub1-2 .history-wrap .img-box {
        width: 60%;
    }
    .sub1-2 .history-wrap .img-box img {
        width: 85%;
    }

    .sub1-4 .cert-slider-wrap {
        width: 80%;
        margin: 50px auto 0;
    }
    .sub1-4 .swiper-button-next, .sub1-4 .swiper-button-prev {
        display: block;
          
    }
    .sub1-4 .cert-slider-wrap {
        display: none;
    }
.sub1-4 .greet .inner .txt-box {
    width: 100%;
}
    .sub1-4 .cert ul li p {
        font-size: 12px;
        line-height: 23px;
    }
    .sub1-4 .cert img {
        width: 130px;
    }
    .sub1-4 .cert ul.nth-ul {
        padding-left: 60px;
    }
.sub1-4 .cert ul li p br {
    display: block;
}
    .sub1-5 .map-wrap {
        padding: 0 50px;
    }
.sub1-5 .map-wrap .desc br {
    display: block;
}
.sub1-5 .map-wrap .office {
    padding: 50px 0;
}
.sub1-5 .map-wrap .tit {
    font-size: 30px;
}
.sub1-5 .map-wrap .map iframe {
    height: 300px;
}
    .sub .intro .txt-box .tit {
        font-size: 40px;
    }
    .sub .intro .txt-box .sub-tit {
        font-size: 20px;
    }
    .sub .desc {
        padding-top: 20px;
font-size: 16px;
    }
    .sub5_1 .cont-item .img-box {
        width: 100%;
        margin: 0 auto;
    }
.sub5_1 .cont-item {
    flex-direction: column;
}
    .sub5_1 .cont-item {
        gap: 50px;
        padding: 0 50px 100px;
    }
.sub5_1 .cont-item .txt-wrap {
    width: 100%;
}
.sub5_1 .cont-item .txt-wrap .txt-box .desc br,
.sub5_1 .cont-item .txt-wrap .txt-box .en-desc br {display: none;}




    /* sub */
}

@media screen and (max-width: 460px) {
    /* main */
    .header-inner {
        padding: 20px;
    }
    .main-visual .slide-inner .main-title {
        font-size: 25px;
    }
    .main-visual .slide-inner .sub-title {
        font-size: 16px;
    }
    .content-intro .intro-top-item {
    flex-direction: column;
}
.content-intro .item-left {
    
        align-items: flex-start;
}
    .content-intro .intro-top-item .img-box {
        width: 100%;
    }
    .content-intro .item-right .txt-box .tit {
        transform: translateX(0);
    }
    .intro-sticky-wrap .bg-txt {
        font-size: 50px;
        line-height: 60px;
    }
.intro-sticky-wrap .desc-box {
    padding-left: 0;
        flex-direction: column;
    align-items: flex-start;
}
.intro-sticky-wrap .txt-box .tit {
    padding-left: 0;
}
    .card-inner {
        height: 300px;
    }
    .card-stack-layout .txt-wrap {
        padding: 20px;
    }
    .card-inner .txt-wrap .txt-box .num {
        font-size: 40px;
        max-height: 50px;
    }
    .card-inner .txt-wrap .txt-box h2 {
        font-size: 30px;
        padding-left: 20px;
    }
    .card-inner .txt-wrap .txt-box h2:last-child {
        margin-top: 0;
    }
    .content-intro .txt-box .desc {
        font-size: 14px;
        line-height: 20px;
    }
    .card-inner .txt-wrap .cate {
        font-size: 12px;
    }
.solution-section {
    padding: 50px 0;
}
    .solution-section .txt-box .tit {
        font-size: 25px;
        line-height: 35px;
    }
    .solution-section .txt-box .desc {
        font-size: 14px;
        margin-top: 20px;
        line-height: 20px;
    }
    .solution-section .inner-container {
        padding: 0 20px;
    }
.solution-section .content-flex-wrap {
    gap: 30px;
}
.solution-section .content-flex-wrap {
    margin-top: 50px;
        flex-direction: column;
}
.solution-section .control-wrap {
    padding-bottom: 0;
    width: 100%;
}
.solution-section .slider-wrap {
    width: 100%;
}
.contact .cont-inner {
    margin-top: 50px;
    padding: 0 20px;
}
    .contact .cont-wrap .left .tit {
        font-size: 25px;
    }
    .contact .cont-wrap .left .desc {
        line-height: 20px;
        font-size: 14px;
        margin-top: 20px;
    }
    .contact .cont-wrap .right .top p {
        font-size: 12px;
    }
.contact .cont-wrap .right .inquiry li input {
    height: 40px;
    font-size: 14px;
}
    .contact .cont-wrap .right .inquiry li {
        width: 47.5%;
    }
.contact .cont-wrap .right .bot .pi p {
    font-size: 12px;
    font-weight: 300;
}
.contact .cont-wrap .right .bot .pi {
    gap: 0;
    align-items: center;
}
.contact .cont-wrap .right .bot .btn {
    width: 150px;
    height: 40px;
}
.contact .cont-wrap .right .bot .btn button {
    line-height: 40px;
    font-weight: 600;
    font-size: 16px;
}
    .contact .img-box img {
        min-height: 800px;
    }
.header-inner img {
    width: 100px;
}
.header .hamburger {
    width: 30px;
    height: 30px;
        gap: 4px;
}
.header .hamburger span {
    width: 10px;
    height: 2px;
}
.header.active-overlay .header-inner {
    height: auto;
}
.header .hamburger.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.header .hamburger.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

    /* main */

    /* sub */
    .sub-top {
        height: 40vh;
    }
.sub-top .txt-box p {
    padding-top: 10px;
            font-size: 16px;
        font-weight: 300;
}
    .sub-top .txt-box h2 {
        font-size: 20px;
        letter-spacing: 1px;
    }
    .sub {
        padding: 50px 0;
    }
.sub .sub-tit {
        font-size: 14px;
    }
    .sub .tit {
        font-size: 25px;
    }

    .sub .desc {
        font-size: 14px;
        line-height: 23px;
    }
    .sub1-1 .vision .semi-tit {
        font-size: 20px;
        line-height: 30px;
    }
.sub1-1 .vision {
    padding: 150px 0;
}
.sub1-1 .network .txt-box {
    padding: 50px 0;
}
    .sub1-1 .net-map img.net-map-img {
        padding: 0 20px;
    }
.sub1-2 .history-wrap .history .month {
        font-size: 18px;
    }
    .sub1-2 .history-wrap .history .year {
        font-size: 20px;
    }

    .sub1-2 .history-wrap .history {
                width: 80%;
        text-align: right;
        gap: 30px;
    }
.sub1-2 .history-wrap .history li {
    gap: 10px;
}
.sub1-2 .history-wrap .img-box {
    gap: 130px;
}
    .sub1-2 .history-wrap {
                gap: 0;
        padding: 0 20px 50px 0;
    }
.sub1-4 .cert ul {
    flex-direction: column;
}
.sub1-4 .cert ul .double-img .img-box {
align-items: center;
    justify-content: center;
}
    .sub1-4 .cert ul.nth-ul {
        padding-left: 0;
    }
    .sub1-5 .map-wrap .tit {
        font-size: 25px;
    }
.sub1-5 .map-wrap .office-info {
    font-size: 14px;
}
.sub1-5 .map-wrap .office-info div {
    gap: 20px;
}
.sub1-5 .map-wrap .office-info {
    gap: 30px;
}
    .sub1-5 .map-wrap .map iframe {
        height: 200px;
    }
    .sub1-5 .map-wrap {
        padding: 0 20px;
    }
    .sub .intro .txt-box .tit {
        font-size: 25px;
    }
    .sub .intro .txt-box .sub-tit {
        font-size: 18px;
    }
    .sub .intro .txt-box .desc {
        font-size: 14px;
    }
    .sub .intro .txt-box .desc br {
        display: block;
    }
.sub .intro {
    padding-bottom: 50px;
}
.sub .cont-inner {
    padding-top: 50px;
}
    .sub5_1 .cont-item {
        padding: 0 20px 100px;
    }
.sub5_1 .cont-item .en-desc {
    padding-top: 10px;
}
.sub3_2 .tit-box .sub-tit {
    font-size: 16px;
}
.sub3_2 .tit-box .tit {
    font-size: 25px;
}
    .sub3_2 .tit-box,
    .sub2_2 .info-box,
    .sub3_1 .nth-cont .cont-inner > .txt-box {
        padding: 0 20px;
    }
.sub .chart-wrap .spec td {
    line-height: 20px;
    font-size: 14px;
}
.sub2_2 .info-box .spec td img {
    max-width: 50px;
    padding-left: 0;
}
    .sub .chart-wrap .spec th, .sub .chart-wrap .spec td {
        font-size: 14px;
    }
.sub7_1 .info-box {
    width: 100%;
}
.sub {
    overflow: hidden;
}
.sub2_3 .chart-wrap p {
    font-size: 14px;
    padding-top: 10px;
}
.sub2_3 .standard-info-box p:first-child {
    padding-bottom: 10px;
}
.sub .cont-inner {
    gap: 50px
}
.sub3_1 .shape {
    gap: 20px;
    padding: 0 20px 50px;
}
    .sub3_1 .shape p {
        font-size: 12px;
    }
.sub3_1 .nth-cont .tit {
    font-size: 25px;
}
.sub3_1 .nth-cont .sub-tit {
    font-size: 14px;
}
.sub3_1 .nth-cont .info-box {
    width: 100%;
}
.sub3_1 .nth-cont .cont-item {
    padding-top: 50px;
}
.sub3_3 .nth-cont .txt-box p {
    font-size: 14px;
}
.sub3_3 .nth-cont .txt-box p:last-child {
    padding-top: 10px;
}
.sub3_3 .nth-cont .txt-box {
    padding-top: 10px;
}
.sub4 .cont-inner {
    grid-template-columns: repeat(1, 1fr);
}
.sub4 .intro .txt-box {
    padding: 0 50px;
}
.sub .chart-wrap .spec {
    width: 100%;
}
.sub5_1 .cont-item .txt-wrap .icon-box {
    display: none;
}
.sub4_1_1 .product-item {
    flex-direction: column-reverse;
}
    .sub4_1_1 .cont-inner {
        padding: 50px 20px 100px;
    }
    .sub4_1_1 .product-item .img-area {
        width: 100%;
    }
    .sub4_1_1 .product-item .big-num {
        font-size: 150px;
    }
    .sub4_1_1 .product-item .txt-box {
        margin-top: -110px;
        padding: 50px 0;
    }
    .sub4_1_1 .product-item .txt-box .tit {
        font-size: 60px;
    }
    .sub4_1_1 .info-box .box-tit {
        font-size: 16px;
    }
    .sub4_1_1 .product-item .info-box .desc, .sub4_1_1 .product-item .info-box .en-desc {
        font-size: 14px;
    }
    .sub4_1_1 .info-box {
    gap: 10px;
}
.sub4_1_1 .product-item .info-box .desc br {
    display: none;
}
    .sub4 {
        padding: 0;
    }
.sub4_1_5 .product-item .img-box {
    margin-top: 50px;
}
    .sub4_1_5 .product-item .img-box img {
        width: 100%;
    }
.sub4_1_5 .chart-wrap .colspan {
    padding: 10px 0;
}
.sub4_1_5 .cont .cont-inner div:nth-child(4) .txt-box {
    padding-top: 10px;
}
    .sub4_1_5 .detail-chart .desc {
        font-size: 14px;
            line-height: 20px;
    }


    .sub6_5 .cont-item {
        gap: 20px;
    }
    .sub6_5 .cont-item {
        padding: 0 20px;
    }
    .sub6_5 .cont-item p {
    font-size: 14px;
    padding-top: 20px;
}
.sub6_1 .nth-info-wrap {
    width: 100% !important;
}
.sub6_1 .cont-item .info-box p {
    font-size: 16px;}
    .sub6_2 .nth-item .txt-wrap {
    flex-direction: column;
}
.sub6_2 .nth-item .nth-wrap .info-box {
    width: 100%;
    padding-top: 0px;
}
.sub4_3_1 .nth-item .info-box p {
    font-size: 16px;    padding-bottom: 10px;
}
    .sub6_2 .nth-item .nth-wrap ul li p {
        font-size: 14px;
    }
.sub6_2 .nth-item .nth-wrap ul {
    gap: 10px;
    padding-top: 30px;
}

    .sub6_2 .nth-item .major2 .info-box td {
        font-size: 14px;
    }
    .sub6_2 .nth-item .major2 .info-box tbody td span {
        display: none;
    }
.sub6_2 .nth-item .major2 .info-box {
    padding-top: 10px;
}
    .sub6_2 .nth-item .major2 .info-box .nth-td {
        font-size: 14px;
    }

.sub6_2 .nth-item .major2 colgroup col:first-child {
    width: 45% !important;
}
.sub6_2 .nth-item .major2 .info-box tbody td br {
    display: none;
}
    .sub6_2 .nth-item .major3 > div {
        width: 48%;
    }
.sub6_2 .nth-item .major3 > div::after{
    display: none;
}
    .sub6_2 .nth-item .major3 .txt-box {
        font-size: 12px;
        padding-top: 20px;
    }
.sub6_2 .nth-item .major3 .txt-box .sm-tit {
    padding: 0 0 10px 0;
    letter-spacing: -0.5px;
}
    .sub7_1 .cont-item {
        padding: 0 20px 50px;
    }
.sub7_1 .chart-wrap p {
       padding-bottom: 10px;
}








    /* sub */
}

@media screen and (max-width: 414px) {
    /* main */
.main-visual .visual-pagination .swiper-pagination-bullet {
    width: 70px;
    font-size: 14px;
}
.content-intro::before {
width: 150px;
    height: 80px;
    top: -50px;
}
    .contact .cont-wrap .right .inquiry li {
        width: 47%;
    }
    /* main */
}

@media screen and (max-width: 320px) {
.content-intro {
    border-radius: 30px 30px 0 0; 
}
.intro-top-list {
    gap: 50px;
}
    .main-visual .slide-inner .main-title {
        font-size: 20px;
    }
    .main-visual .slide-inner .sub-title {
        font-size: 14px;
    }
.scroll-anchor img {
    width: 15px;
}
    .content-intro::before {
        width: 100px;
        height: 50px;
        top: -30px;
    }
.scroll-anchor {
    top: -12px;
}
.content-intro {
    padding: 50px 0 50px;
}

    .content-intro .txt-box .tit {
        font-size: 18px;
        line-height: 25px;
    }
    .content-intro .txt-box .desc {
        font-size: 13px;
    }

    .content-intro .container {
        padding: 0 20px;
    }
.intro-sticky-wrap {
    padding: 100px 0 0;
}
    .intro-sticky-wrap .bg-txt {
        top: 30px;
    }
.intro-sticky-wrap .desc-box .desc {
    margin-top: 20px;
}

.content-intro .txt-box .icon-box img {
    width: 50px;
}
    .card-inner .txt-wrap .txt-box .num {
        font-size: 30px;
        font-weight: 600;
        max-height: 37px;
        color: #fff;
    }
    .card-inner .txt-wrap .txt-box h2 {
        font-size: 20px;
    }
    .solution-section .txt-box .tit {
        font-size: 20px;
        line-height: 30px;
    }
    .solution-section .txt-box .desc {
        font-size: 13px;
    }
.solution-section .control-wrap .swiper-button-prev, .solution-section .control-wrap .swiper-button-next {
    width: 40px;
    height: 40px;
}
    .solution-section .content-flex-wrap {
        margin-top: 30px;
    }

.solution-section .swiper-slide p {
    bottom: 20px;
    left: 20px;
        line-height: 25px;

            font-size: 16px;
}
    .contact .cont-wrap .left .tit {
        font-size: 20px;
    }
    .contact .cont-wrap .left .desc br {
        display: block;
    }
    .contact .cont-wrap .right .inquiry li {
        width: 46%;
    }

.contact .cont-wrap .right .inquiry li textarea {
    font-size: 14px;
        height: 200px;
}
    .footer .top {
        padding: 20px;
    }
.footer .top img {
    width: 130px;
}
    .footer .mid {
        padding: 20px;
    }
.footer .mid ul li .info .info-ineer {
    flex-direction: column;
        gap: 10px;
}
    .footer .mid ul li .info {
        font-size: 12px;
    }
    .footer .bot {
        padding: 0 20px 20px;
        gap: 10px;
        font-size: 12px;
    }
.header.active-overlay .logo-white {
    display: none !important;
}
.header.active-overlay {
    border-bottom: 0;
}
    .overlay-menu > ul .menu.active {
        margin-bottom: 20px;
    }

.overlay-menu > ul .menu {
    padding: 0;
    gap: 20px;
}
.overlay-menu .sub-menu {
    gap: 10px;
}
    .contact .cont-wrap .right .bot .btn {
        width: 100px;
        height: 40px;
    }

/* sub */
    .sub1-1 .greet {
        padding-left: 20px;
    }
    .sub-top .txt-box h2 {
        font-size: 18px;
    }
    .sub-top .txt-box p {
        font-size: 14px;
    }
    .sub .sub-tit {
        font-size: 12px;
    }
    .sub1-1 .greet .tit {
        line-height: 30px;
        font-size: 20px;
    }
    .sub .desc {
        font-size: 12px;
        line-height: 20px;
    }
    .sub1-1 .vision .txt-box {
        padding-right: 20px;
    }
    .sub1-1 .vision .semi-tit {
        font-size: 16px;
        line-height: 25px;
    }

    .sub1-1 .vision {
        padding: 100px 0;
    }
    .sub1-1 .network .txt-box {
        padding: 50px 20px;
    }
    .sub1-1 .network .txt-box .desc br {
        display: none;
    }
    .sub .tit {
        font-size: 20px;
    }
    .sub1-2 .history-wrap {
        gap: 0;
        padding: 0;
                margin: 50px 0;

    }
.sub1-2 .history-wrap .img-box {
    display: none;
}
.sub1-2 .history-wrap .history {
        text-align: center;
    width: 100%;
    padding: 0 20px;
}
.sub1-2 .history-wrap .history span {
    display: none;
}
.sub1-4 .cert ul .double-img .img-box {
    flex-direction: column;
}
.sub1-4 .cert ul li p {
    padding-top: 20px;
}
.sub1-4 .cert ul {
    gap: 30px;
}
    .sub1-4 .cert ul li p {
        line-height: 20px;
    }
.sub1-5 .map-wrap .tit {
        font-size: 20px;
    }

.sub1-5 .map-wrap .office-info {
    padding-top: 20px;
    gap: 10px;
    flex-direction: column;
}
    .sub1-5 .map-wrap .office-info {
        font-size: 12px;
    }
    .sub .intro .txt-box .tit {
        font-size: 20px;
    }
    .sub .intro .txt-box .sub-tit {
        font-size: 14px;
    }
    .sub .intro .txt-box {
        gap: 10px;
                padding: 0 20px;
    }
    .sub .intro .txt-box .desc {
        font-size: 12px;
    }
    .sub5_1 .cont-item .en-desc {
        font-size: 12px;
        line-height: 20px;
    }
    .sub5_1 .cont-item {
        padding: 0 20px;
    }
.sub3_1 .shape li {
    position: relative;
    width: 35%;
}
.sub3_1 .shape {
    justify-content: space-around;
    flex-wrap: wrap;
}
.sub3_1 .shape li p::before {
    display: none;
}
.sub2_2 .cont-inner {
    margin-bottom: 0;
    padding-bottom: 50px;
}
    .sub4 > .intro .txt-box {
        padding-top: 50px;
    }
        .sub4 .cont-inner {
        padding-top: 0;
    }
    .sub5 .cont-inner .txt-box .num {
        font-size: 30px;
    }
    .sub5 .cont-inner .txt-box .tit {
        font-size: 20px;
        line-height: 30px;
    }
    .sub5 .cont-inner {
        gap: 0;
    }
    .sub4_1_1 .product-item .big-num {
        font-size: 80px;
        letter-spacing: -3px;
    }
    .sub4_1_1 .product-item .txt-box {
        margin-top: -125px;
        padding: 30px 0;
    }
    .sub4_1_1 .product-item .txt-box .tit {
        font-size: 40px;
    }
    .sub4_1_1 .info-box .box-tit {
        font-size: 14px;
    }

    .sub4_1_1 .product-item .info-box .desc, .sub4_1_1 .product-item .info-box .en-desc {
        font-size: 12px;
    }
    .sub .chart-wrap .spec th, .sub .chart-wrap .spec td {
        font-size: 12px;
    }

    .sub4_1_5 .detail-chart .desc {
        font-size: 12px;
        line-height: 20px;
    }
    .sub5_1 .cont-item .txt-wrap .txt-box {
        padding-right: 0;
    }
    .sub6_2 .nth-item .nth-wrap ul li p {
        font-size: 12px;
    }
    .sub6_2 .nth-item .nth-wrap ul li p:last-child {
        font-size: 12px;
    }
.sub6_2 .nth-item .nth-wrap ul li {
    gap: 20px;
}
.sub6_2 .nth-item .nth-wrap .info-box p {
    font-size: 14px;
    padding-bottom: 10px;
}
.sub6_2 .nth-item .nth-wrap .chart-wrap div {
    font-size: 12px;
}
.sub6_2 .nth-item .img-box {
    flex-direction: column;
}
    .sub6_2 .nth-item .major3 > div {
        width: 100%;
    }
/* sub */

/* 260709 */
    .sub1-3 .cont-inner img {
        width: 80%;
    }
        .sub2_4 .info-box {
        padding: 0;
    }
.sub2_4 .nth-item .txt-box .img-box {
    padding-top: 50px;
}
.sub2_4 .nth-item .txt-box .img-box > p {
    padding-top: 10px;
    font-size: 12px;
line-height: 20px;
}
.sub2_4 .nth-item .txt-box .img-box > p br {
    display: none;
}

    .sub4_1_6 .product-item .txt-box .tit {
        font-size: 30px;
    }
    .sub4_4_1 .nth-item .info-box p {
        font-size: 12px;
        padding-bottom: 50px;
        padding-top: 10px;
    }











}