:root {
    --sec-padding: 400px
}
body.hidden {
    overflow: hidden;
    height: 100%;
    min-height: 100%;
    touch-action: none;
}
.page {
    overflow: visible;
    background-color: #000;
}
section {
    background-color: #000;
    z-index: 2;
    position: relative;
}
::-webkit-scrollbar {
    display: none;
}
body {
    -ms-overflow-style: none; 
    scrollbar-width: none; 
}
.footer {
    margin-top: 0;
}

.container {
    padding-left: 100px;
}
.scroll_y {
    opacity: 0;
}
.scroll_x {
    opacity: 0;
    transform: translateX(-30px);
}

.sec_name {
    font-size: var(--ft20);
    font-weight: var(--medium);
    color: var(--white);
    margin-bottom: 30px;
}
.sec_title,
.sec_title span {
    font-size: var(--ft50);
    font-weight: var(--semi-bold);
    color: var(--white);
}
.sec_text {
    font-weight: var(--medium);
    color: rgba(255, 255, 255, .8);
    margin-top: 50px;
}


/*-- sec_title_wrap --*/
.sec_title_wrap {
    height: 180vh;
}
.sec_title_box {
    width: 100%;
    height: 100vh;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: sticky;
    top: 0;
    left: 0;
}
.sec_title_box * {
    text-align: center;
}

.sec_title_box .sec_title span {
    font-size: 140px;
    color: rgb(255, 255, 255, 0.5);
    background: linear-gradient(to right, #fff, #fff) no-repeat;
    -webkit-background-clip: text;
    background-clip: text;
    background-size: 0%;
    transition: font-size .3s ease;

}
.sec_title_box .sec_title,
.sec_title_box .sec_title span {
    font-weight: var(--normal);
    line-height: 1;
}
.sec_title_box .sec_text {
    font-size: var(--ft18);
}
.sec_title_box .btn_box {
    margin: 0 auto;
    margin-top: 60px;
}


.sec_title_wrap .scroll_y {
    transition: all .3s ease;
}

.sec_title_wrap.title_show .sec_title,
.sec_title_wrap.title_show .sec_title span {
    font-size: 100px;
    transition: font-size .4s .1s ease;
}

.sec_title_wrap.title_show .scroll_y {
    opacity: 1;
    transform: translateY(0);
    transition: all .4s .1s ease;
}

.title_box {
    overflow: hidden;
    display: inline-block;
    line-height: 1;
    white-space: normal;
}
.title_box span {
    display: inline-block;
    white-space: normal;
    transform: translateY(100%);
    transition: transform .3s ease;
}
.sec_text_box.show .title_box span {
    transform: translateY(0);
    transition: transform .6s var(--title-delay) ease;
}

/*-- s_pagination --*/
.s_pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}
.s_swiper_btn {
    width: 40px; 
    padding: 10px 0;
    display: flex;
    justify-content: center;
    contain: content;
    cursor: pointer;
    opacity: .6;
    transition: opacity .3s ease;
}
.s_swiper_btn img {
    width: 40px;
    height: auto;
    object-fit: contain;
    transition: transform .3s ease;
}
.s_swiper_btn:first-child {
    transform: rotate(180deg);
}
.s_swiper_btn:hover {
    opacity: 1;
}
.s_swiper_num {
    width: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}
.s_swiper_num,
.s_swiper_num span {
    font-size: var(--ft20);
    color: rgba(255, 255, 255, .6);
}
.s_swiper_num .swiper-pagination-current {
    font-weight: var(--semi-bold);
    color: var(--white);
}

/*------------------------- main_pagination -------------------------*/
.main_pagination {
    position: fixed;
    top: 140px;
    left: 50px;
    z-index: 5;
    /* opacity: 0;
    transform: translateX(-30px); */
    transition: opacity .3s ease, transform .3s ease;
    display: flex;
    gap: 16px;
}
.main_pagination.pagi_show {
    opacity: 1;
    transform: translateX(0);
}
.pagination_line {
    width: 2px;
    border-radius: 2px;
    background-color: rgba(255, 255, 255, .6);
}
.pagination_line span {
    display: block;
    width: 100%;
    height: 0%;
    border-radius: 2px;
    background-color: var(--primary);
}

.main_list {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow: hidden;
}
.main_list li {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: .5;
    transform: translateX(-25px);
    transition: all .3s ease;
    cursor: pointer;
}
.main_list li:hover {
    opacity: 1;
}
.main_list li * {
    font-size: var(--ft14);
    color: var(--white);
}
.main_list span {
    width: 17px;
}

.main_list li.active {
    opacity: 1;
    transform: translateX(0);
}
/*--------------------------------- main_sec ---------------------------------*/
.sec_main {
    width: 100%;
    height: 100dvh;
    position: relative;
    overflow: hidden;
    position: sticky;
    top: 0;
    left: 0;
}
.sec_main.none {
    opacity: 0;
    pointer-events: none;
}
.main_swiper,
.swiper-wrappper {
    width: 100%;
    height: 100%;
}
.main_box {
    width: 100%;
    height: 100%;
}
.main_inner {
    width: 100%;
    height: 100%;
    padding-top: 270px;
    position: relative;
    z-index: 1;
    background-color: rgba(0, 0, 0, .4);
}
.main_bg {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}
.main_img {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.main_img img {
    transform: scale(1.1);
    transition: transform 5s ease;
}
.main_video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.main_title {
    font-size: var(--ft60);
    font-weight: var(--semi-bold);
    color: var(--white);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .4s ease, transform .4s ease;
}

.swiper-slide-active .main_title {
    opacity: 1;
    transform: translateY(0);
    transition: opacity .8s .2s ease, transform .8s .2s ease;
}
.swiper-slide-active .main_img img  {
    transform: scale(1);
}

/*-- main_btm --*/
.main_btm {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: absolute;
    bottom: 60px;
    left: 0;
    right: 0;
    margin: 0 auto;
    z-index: 1;
}
.main_btm_l {
    display: flex;
    align-items: center;
    gap: 24px;
}
.main_btm .s_swiper_btn {
    width: 24px;
}
.swiper_num {
    display: flex;
    align-items: center;
    gap: 14px;
}
.swiper_num span {
    font-size: var(--ft20);
    font-weight: var(--semi-bold);
    color: rgba(255, 255, 255, .5);
}
.swiper_num span.swiper-pagination-current {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--white);
}
.swiper_num span.swiper-pagination-current::after {
    content: '';
    display: block;
    width: 2px;
    height: 14px;
    background-color: rgba(255, 255, 255, .5);
}
.swiper_play {
    width: 20px;
    height: 20px;
    position: relative;
}
.swiper_play div {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    position: absolute;
}
.swiper_play img {
    width: 16px;
    height: 16px;
}
.swiper_play div.play_btn {
    display: none;
}
.swiper_play.is_pause div.pause_btn {
    display: none;
}
.swiper_play.is_pause div.play_btn {
    display: flex;
}
.scroll {
    display: flex;
    align-items: center;
    gap: 6px;
    animation: scroll 1s infinite alternate;
}
@keyframes scroll {
    to {
        transform: translateY(10px);
    }
}
.scroll span {
    font-size: var(--ft14);
    font-weight: var(--semi-bold);
    color: var(--white);
    opacity: .8;
}
.scroll_img {
    width: 20px;
    height: 20px;
}
 
.swiper_pagination {
    width: 100%;
    height: 4px;
    background-color: rgba(255, 255, 255, .4);
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 1;
}
.swiper_pagination span {
    display: block;
    height: 100%;
    background-color: var(--primary);
}



.black_bg {
    width: 100%;
    background-color: rgba(0, 0, 0, 0);
    position: relative;
    z-index: 1;
}
.black_gradient {
    width: 100%;
    height: 100vh;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.00) 0%, #000 100%);
    position: relative;
    z-index: 2;
    pointer-events: none;
}

/*--------------------------------- about_sec ---------------------------------*/
.about_sec {
    padding-top: 200px;
}
.about_sec .btn_box {
    margin: 60px auto 0;
}

.about_sec .sec_text_box {
    opacity: 0;
}

.video_wrap {
    width: 100%;
    position: relative;
}
.about_video {
    width: 100%;
    opacity: 0;
}
.video_bg {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.00) 0%, #000 50%);
}


/*--------------------------------- business_sec ---------------------------------*/
.business_sec {
    margin-top: -30vh;
}
.business_bg {
    width: 100%;
    height: 380vh;
    position: relative;
    pointer-events: none;
}
.business_sticky {
    width: 100%;
    height: 100vh;
    margin-top: -20vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: sticky;
    top: 0;
    left: 0;
    overflow: hidden;
}
.sticky_pin {
    position: absolute;
    width: 100%;
    top: 0;
}
.sticky_pin span {
    width: 100%;
    height: 100vh;
    display: block;
}

.sec_img_box {
    width: 60%;
    height: 60%;
    margin: 0 auto;
    border-radius: 10px;
    overflow: hidden;
}
.manufacturing_bg {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    pointer-events: none;
}
.manufacturing_bg img {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transform: scale(1.1);
    transition: opacity .6s ease, transform 3s ease;
}
.manufacturing_bg img.active {
    opacity: 1;
    transform: scale(1);
}

.business_inner {
    width: 100%;
    height: 100%;
    padding-top: 180px;
    padding-bottom: 60px;
    background-color: rgba(0, 0, 0, .7);
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    pointer-events: none;
}


/*-- business_scroll --*/
.business_scroll {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 60px;
}
.business_scroll .sec_text_box {
    padding-left: 336px;
}

/*-- manufact_list --*/
.manufact_list {
    width: fit-content;
    padding: 0 300px;
    display: flex;
    flex-wrap: nowrap;
    border-top: 1px solid rgba(255, 255, 255, .15);
    border-bottom: 1px solid rgba(255, 255, 255, .15);
}
.manufact_box {
    width: calc((100vw - 600px) / 4);
    flex-shrink: 0;
    position: relative;
}
.box_line {
    content: '';
    display: block;
    width: 1px;
    height: 0;
    background-color: rgba(255, 255, 255, .15);
    position: absolute;
    top: 0;
    transform: translateY(-100vh);
}
.box_line.box_line_list {
    left: auto;
    right: 0;
}
.manufact_box a {
    padding: 60px 36px 100px 36px;
    opacity: 0;
    filter: blur(1px);
    transform: translateY(10px);
}
.step {
    font-size: var(--ft16);
    font-weight: var(--medium);
    color: var(--white);
    opacity: .9;
}
.manufact_title {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 10px 0 20px;
}
.manufact_title p {
    font-size: var(--ft24);
    font-weight: var(--semi-bold);
    color: var(--white);
}
.manufact_title img {
    width: 12px;
    height: 12px;
    opacity: 0.5;
    transition: opacity .3s ease;
}
.manufact_text {
    font-weight: var(--medium);
    color: var(--white);
    opacity: .9;
}

.manufact_box:hover .manufact_title img {
    opacity: 1;
}

.business_swiper {
    display: none;
}
.business_pagination {
    display: none;
}
.line {
    width: 100%;
    transform: translateY(-100%);
    display: flex;
    flex-direction: column;
    justify-content: end;
}
.line_percent {
    width: 0%;
    height: 1px;
    background-color: var(--white);
    position: relative;
}
.line_percent span {
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--white);
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

/*--------------------------------------------- certifications_sec ---------------------------------------------*/
.certifications_sec {
    height: 100%;
    min-height: 100vh;
    z-index: 1;
    background: none;
}
.certifications_sec::before {
    content: '';
    display: block;
    width: 50vw;
    height: 100%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.00) 100%);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    position: absolute;
    right: 0;
    top: 0;
    opacity: 0;
    transition: opacity .6s ease;
    z-index: 1;
}
.certi_bg {
    width: 100%;
    height: 100vh;
    position: sticky;
    top: 0;
    left: 0;
    opacity: 0;
    overflow: hidden;
}
.certifications_sec .sec_inner {
    width: 100%;
    height: 100%;
    min-height: 100vh;
    background-color: rgba(0, 0, 0, .3);
    position: relative;
    z-index: 1;
}
.certifications_sec .container {
    height: 100%;
    display: flex;
    position: relative;
    margin-top: -100vh;
}
.certifications_sec .sec_text_box {
    width: 50%;
    padding-right: 40px;
    height: fit-content;
    margin-top: 190px;
    padding-bottom: 180px;
    position: sticky;
    top: 180px;
    left: 0;
}
.certifications_sec .sec_text_box .btn_box {
    margin-top: 80px;
}

.certi_inner { 
    width: 50%;
    height: 100%;
    min-height: 100vh;
    padding-left: 90px;
    padding-top: 180px;
    padding-bottom: 120px;
    position: relative;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity .6s ease, transform .6s ease;
}
.certifications_sec.show::before {
    opacity: 1;
}
.certifications_sec.show .certi_inner {
    opacity: 1;
    transform: translateX(0);
}

.certi_menu, 
.certi_wrap {
    position: relative;
    z-index: 1;
}
.certi_menu {
    display: flex;
    align-items: center;
    gap: 16px;
}
.certi_menu li {
    padding: 10px 16px;
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0);
    font-size: var(--ft20);
    font-weight: var(--medium);
    color: rgba(255, 255, 255, .5);
    transition: background .3s ease, color .3s ease;
    cursor: pointer;
}
.certi_menu li:hover {
    background-color: rgba(255, 255, 255, .1);
}
.certi_menu li.click {
    background-color: rgba(255, 255, 255, .1);
    color: var(--white);
}

.certi_wrap {
    width: 100%;
    margin-top: 24px;
}
.certi_list {
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, .2);
    display: none;
}
.certi_list.show {
    display: block;
}
.certi_box {
    padding: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, .2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    cursor: pointer;
    opacity: 0;
    transform: translateX(20px);
    transition: background .3s ease, padding .3s ease;
}
.certi_l * {
    color: var(--white);
}
.certi_text {
    font-size: var(--ft14);
    font-weight: var(--medium);
    margin-bottom: 10px;
}
.certi_title {
    display: flex;
    align-items: center;
    gap: 10px;
}
.certi_title p {
    font-size: var(--ft20);
    font-weight: var(--semi-bold);
}
.certi_title img {
    width: 12px;
    height: 12px;
    opacity: .5;
    transition: opacity .3s ease;
}
.certi_img {
    width: 70px;
    height: 70px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.certi_box:hover {
    background-color: rgba(255, 255, 255, .1);
    padding: 30px 40px;
}
.certi_box:hover img {
    opacity: 1;
}

/*--------------------------------------------- product_sec ---------------------------------------------*/
.product_sec {
    padding-top: 400px;
    padding-bottom: 100px;
    overflow: hidden;
}
.product_bg {
    width: 100%;
    height: 100%;
    position: absolute;
    bottom: 0;
    left: 0;
    opacity: .4;
    pointer-events: none;
    transform: translateY(40%) scale(1.3);
}
.product_sec .sec_title_wrap,
.product_sec .sec_title_box {
    height: auto;
}


/*-- product_swiper --*/
.product_pagination {
    margin-top: 80px;
}
.product_swiper {
    margin-top: 100px;
    opacity: 0;
    transform: translateY(60px);
}
.product_swiper .swiper-wrapper {
    align-items: center;
}
.product_box {
    max-width: calc((100% - 60px) / 3);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, .3);
    background-color: rgba(0, 0, 0, .4);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    transform: scale(.8) !important;
    transition: all .4s ease;
    position: relative;
}
.product_box * {
    text-align: center;
}
.product_box a {
    padding: 60px 50px;
    pointer-events: none;
}
.product_img {
    width: 100%;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 40px;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}
.product_img img {
    transition: transform .3s ease;
}
.product_title {
    font-size: var(--ft24);
    font-weight: var(--semi-bold);
    color: var(--white);
}
.proudct_text {
    font-size: var(--ft18);
    color: var(--gray-200);
    margin-top: 16px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity .4s ease, transform .4s ease;
}
.product_more {
    width: 160px;
    position: absolute;
    right: 0;
    top: 0;
    transform: translate(50%, -50%) scale(0);
    opacity: 0;
    transform-origin: center center;
}
.product_more img {
    transition: scale .3s ease;
    animation: more 4s infinite linear;
}
@keyframes more {
    to {
        transform: rotate(360deg);
    }
}

.product_box.swiper-slide-active:hover .product_img img {
    transform: scale(1.05);
}
.product_box.swiper-slide-active:hover .product_more img {
    scale: .8;
}

.product_box.swiper-slide-active {
    background-color: rgba(0, 0, 0, .6);
    transform: scale(1) !important;
}
.product_box.swiper-slide-active a {
    pointer-events: all;
}
.product_box.swiper-slide-active .proudct_text {
    opacity: 1;
    transform: translateY(0);
}
.product_box.swiper-slide-active .product_more {
    opacity: 1;
    transform: translate(50%, -50%) scale(1);
    transition: all .8s ease;
}

.btn_box.center {
    margin: 80px auto 0;
}
/*--------------------------------------------- contact_sec ---------------------------------------------*/
.contact_sec {
    margin-top: 100px;
    height: 300vh;
    display: flex;
    justify-content: center;
    background: none;
    position: relative;
    z-index: 2;
    background-color: #000;
}
.contact_text {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    pointer-events: none;
}
.contact_text p {
    font-size: 180px;
    font-weight: var(--semi-bold);
    color: rgba(255, 255, 255, .2);
}
.contact_text p:first-child {
    transform: translateX(-80vw);
}
.contact_text p:last-child {
    transform: translateX(80vw);
}
.contact_sticky {
    width: 100%;
    height: 100vh;
    position: sticky;
    top: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}
.contact_box {
    width: 420px;
    height: 600px;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    transform: translateY(100vh) rotate(45deg);
    transition: width .6s ease, height .6s ease, border-radius .6s ease;
    
}
.contact_video {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.contact_video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.contact_inner {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.35) 0%, #000 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity .3s ease;
}
.contact_inner > * {
    opacity: 0;
    transform: translateY(20px);
    transition: all .3s ease;
}
.contact_btn {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 100px;
}

.contact_box.active {
    width: 100%;
    height: 100%;
    border-radius: 0;
}
.contact_box.active .contact_inner {
    opacity: 1;
    transition: opacity .6s .6s ease;
}
.contact_box.active .contact_inner > * {
    opacity: 1;
    transform: translateY(0);
    transition: all .3s var(--contact-delay) ease;
}

@media all and (max-width: 1800px) {
    /*-- business_sec --*/
    .business_inner .container {
        padding-left: 200px;
    }
}

@media all and (max-width: 1600px) {
    .sec_name {
        font-size: var(--ft16);
        margin-bottom: 20px;
    }
    .sec_title, 
    .sec_title span {
        font-size: var(--ft40);
    }
    .sec_text {
        margin-top: 24px;
    }

    /*-- main_sec --*/
    .main_title, 
    .main_title span {
        font-size: var(--ft60);
    }

    /*-- business_sec --*/
    .business_scroll .sec_text_box {
        padding-left: 228px;
    }
    .manufact_list {
        padding: 0 200px;
    }
    .manufact_list a {
        padding: 50px 28px;
    }
    .manufact_box {
        width: calc((100vw - 400px) / 4);
    }
    .manufact_title p {
        font-size: var(--ft20);
    }

    /*-- certifications_sec --*/
    .certi_inner {
        padding-left: 80px;
    }
}

@media all and (max-width: 1400px) {
    .main_list {
        display: none;
    }
    .container {
        padding: 0;
    }
    .container-lg, 
    .container-md, 
    .container-sm {
        padding: 0 40px;
    }

    .sec_title_box .sec_title, 
    .sec_title_box .sec_title span {
        font-size: 96px;
    }
    .sec_title_wrap.title_show .sec_title, 
    .sec_title_wrap.title_show .sec_title span {
        font-size: 80px;
    }

    /*-- main_sec --*/
    .main_inner {
        padding-top: 180px;
    }

    /*-- business_sec --*/
    .business_inner {
        padding-top: 120px;
    }
    .manufact_box {
        width: calc((100vw - 400px) / 3);
    }

    /*-- certifications_sec --*/
    .certi_inner {
        padding-left: 40px;
    }
}

@media all and (max-width: 1200px) {
    /*-- main_sec --*/
    .main_title, 
    .main_title span {
        font-size: var(--ft50);
    }

    /*-- business_sec --*/
    .business_scroll .sec_text_box {
        padding-left: 128px;
    }
    .manufact_list {
        padding: 0 100px;
    }
    .manufact_box {
        width: 260px;
    }

    /*-- certifications_sec --*/
    .certi_title p {
        font-size: var(--ft18);
    }
    .certi_title img {
        width: 10px;
        height: 10px;
    }
    .certi_img {
        width: 50px;
        height: 50px;
    }

    /*-- product_sec --*/
    .product_sec {
        padding-top: 200px;
    }
    .product_box {
        max-width: 100%;
    }

    /*-- contact_sec --*/
    .contact_box {
        width: 300px;
        height: 450px;
    }
    .contact_text p {
        font-size: 140px;
    }
}


@media all and (max-width: 900px) {
    .top_btn.none {
        opacity: 0 !important;
        pointer-events: none;
    }
    
    .container-lg, 
    .container-md, 
    .container-sm {
        padding: 0 20px;
    }
    :root {
        --sec-padding: 160px
    }
    .sec_title_box .sec_title, 
    .sec_title_box .sec_title span {
        font-size: 64px;
    }
    .sec_title_wrap.title_show .sec_title, 
    .sec_title_wrap.title_show .sec_title span {
        font-size: 50px;
    }
    .sec_img_box {
        width: 80%;
        height: 70%;
    }

    /*-- business_sec --*/
    .business_sec {
        margin-top: 0;
    }
    .business_scroll .sec_text_box {
        padding-left: 48px;
    }
    .manufact_list {
        padding: 0 20px;
    }
    .manufact_box {
        width: calc((100vw - 40px) / 2);
        max-width: 320px;
    }

    /*-- certifications_sec --*/
    .certifications_sec::before {
        display: none;
    }
    .certifications_sec .container {
        flex-direction: column;
        gap: 60px;
        padding: 0;
        overflow: hidden;
    }
    .certifications_sec .sec_text_box {
        width: 100%;
        padding: 0 20px;
        margin-top: 100px;
        position: static;
    }
    .certi_inner {
        width: 100%;
        padding: 60px 20px;
        background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.00) 100%);
        backdrop-filter: blur(2px);
        -webkit-backdrop-filter: blur(2px);
        overflow: hidden;
    }

    /*-- contact_sec --*/
    .contact_text p {
        font-size: 96px;
    }
}

@media all and (max-width: 768px) {
    .s_swiper_num, 
    .s_swiper_num span {
        font-size: var(--ft16);
    }
    .s_swiper_btn {
        width: 30px;
    }

    /*-- business_sec --*/
    .business_scroll {
        justify-content: center;
        gap: 40px;
    }
    .business_scroll .sec_text_box {
        padding-left: 30px;
    }
    .business_btm {
        display: none;
    }
    .business_bg {
        height: 160vh;
    }
    .sticky_pin span:last-child {
        height: 100vh !important;
    }
    
    .business_swiper {
        display: block;
    }
    .business_box {
        width: 100%;
        border-radius: 10px;
        background-color: rgba(0, 0, 0, .6);
        border: 1px solid rgba(255, 255, 255, .2);
    }
    .business_box a {
        padding: 50px 20px;
    }
    .manufact_title {
        gap: 8px;
        margin-bottom: 14px;
    }
    .manufact_title p {
        font-size: var(--ft18);
    }
    .manufact_title img {
        width: 10px;
        height: 10px;
    }

    .business_pagination {
        display: flex;
    }

    /*-- product_sec --*/
    .product_pagination {
        margin-top: 40px;
    }
    .product_swiper {
        margin-top: 50px;
    }
}

@media all and (max-width: 600px) {
    .sec_title, 
    .sec_title span {
        font-size: var(--ft24);
    }

    .sec_title_wrap {
        height: 160vh;
    }
    .sec_title_box .sec_title, 
    .sec_title_box .sec_title span {
        font-size: 38px !important;
    }
    .sec_title_box .sec_text {
        font-size: var(--ft16);
    }

    .sec_img_box {
        border-radius: var(--border-radius);
    }

    /*-- main_sec --*/
    .main_inner {
        padding-top: 120px;
    }
    .main_title, 
    .main_title span {
        font-size: var(--ft36);
    }
    .main_btm {
        bottom: 40px;
    }
    .main_btm_l {
        gap: 12px;
    }
    .swiper_num span {
        font-size: var(--ft16);
    }
    .swiper_num,
    .swiper_num span.swiper-pagination-current {
        gap: 8px;
    }
    .swiper_num span.swiper-pagination-current::after {
        height: 10px;
    }
    .swiper_play img {
        width: 12px;
        height: 12px;
    }
    .scroll span {
        font-size: var(--ft12);
    }
    .scroll_img {
        width: 16px;
        height: 16px;
    }
    .main_btm .s_swiper_btn {
        display: none;
    }

    /*-- about_sec --*/
    .video_wrap {
        margin-top: 40px;
    }
    .video_bg {
        background: linear-gradient(180deg, rgba(0, 0, 0, 0.00) 0%, #000 90%);
    }

    /*-- business_sec --*/
    .certi_menu li {
        font-size: var(--ft16);
    }
    .certi_box {
        padding: 20px;
    }
    .certi_box:hover {
        padding: 20px;
    }
    .certi_title img {
        display: none;
    }

    /*-- product_sec --*/
    .product_more {
        width: 80px;
    }
    .product_box a {
        padding: 40px 24px;
    }
    .product_img {
        margin-bottom: 24px;
    }
    .product_title {
        font-size: var(--ft20);
    }
    .proudct_text {
        font-size: var(--ft16);
        margin-top: 10px;
    }

    /*-- contact_sec --*/
    .contact_box {
        width: 70%;
        height: 60vh;
    }
    .contact_text {
        transform: translateY(-12px);
    }
    .contact_text p {
        font-size: 46px;
    }
    .contact_btn {
        flex-direction: column;
        gap: 10px;
        margin-top: 40px;
    }
}

@media all and (max-width: 360px) {
    .sec_title_box .sec_title, 
    .sec_title_box .sec_title span {
        font-size: 32px !important;
    }

    .sec_title, 
    .sec_title span {
        font-size: var(--ft24);
    } 

    /*-- main_sec --*/
    .main_title, 
    .main_title span {
        font-size: var(--ft32);
    }

}