/* introduce */

.introduce .sub_nav {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    left: 10px;
    z-index: 1000;
    border-left: 0;
    background: url(../img/sub_nav_bg.png) no-repeat center / cover;
    width: 188px;
    height: 351px;
}

.introduce .sub_nav p {
    padding: 20px 0px;
    text-align: center;
    box-sizing: border-box;
    font-size: 22px;
    color: #fff;
    border-bottom: 2px solid #fff;
    position: relative;
}

.introduce .sub_nav p::after {
    content: '';
    position: absolute;
    display: block;
    width: 0;
    z-index: 1;
    border-style: solid;
    border-color: #ffffff transparent;
    border-width: 15px 20px 0;
    bottom: -15px;
    left: 50%;
    margin-left: -20px;
}


.introduce .sub_nav ul {
    padding: 30px 0px;
}

.introduce .sub_nav ul li {
    margin-bottom: 15px;
}

.introduce .sub_nav ul li:last-child {
    margin-bottom: 0;
}

.introduce .sub_nav ul li a {
    display: block;
    font-size: 20px;
    color: #fff;
    font-weight: 400;
    text-align: center;
    font-family: var(--font_1);
    opacity: 0.5;
    transition: all 0.3s;
}

.introduce .sub_nav ul li.active a,
.introduce .sub_nav ul li a:hover {
    font-family: var(--font_main);
    opacity: 1;
    font-weight: 700;
}

.introduce .sub_nav ul li.home a {
    font-size: 29px;
    font-weight: 600;
    text-shadow: 2px 2px 10px rgba(27, 179, 255, 0.5);
    opacity: 1;
    font-family: var(--font_main);
    padding-top: 20px;
    border-top: 2px dotted #fff;
    max-width: calc(100% - 26px);
    margin: 20px auto 0px;
}

.introduce .sub_visual {
    width: 100%;
    height: 150vh;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    z-index: 1;
}

#introduce_1 .sub_visual {
    background-image: url(../img/introduce_1_sc_1_bg.jpg);
}

#introduce_2 .sub_visual {
    background-image: url(../img/introduce_2_sc_1_bg.jpg);
}

#introduce_3 .sub_visual {
    background-image: url(../img/introduce_3_sc_1_bg.jpg);
}

#introduce_4 .sub_visual {
    background-image: url(../img/introduce_4_sc_1_bg.jpg);
}

#introduce_5 .sub_visual {
    background-image: url(../img/introduce_5_sc_1_bg.jpg);
}

.introduce .sub_visual .inner {
    margin: 0px 110px;
    box-sizing: border-box;
    position: relative;
}

.introduce .sub_visual .title_box {
    text-align: center;
    position: absolute;
    right: 0;
    top: calc(50% + 50vh);
    transform: translateY(-50%);
}

.introduce .sub_visual .title_box .logo {
    margin-bottom: 50px;
}

.introduce .sub_visual .title_box .logo img {
    height: 355px;
}

.introduce .sub_visual .title_box h3 {
    font-size: 58px;
    font-weight: bold;
    font-family: var(--font_1);
    color: #fff;
    text-shadow: 2px 2px 3px rgba(0, 0, 0, 0.55);
}

#introduce_3 .gallery_section .text_box h4,
#introduce_3 .sub_visual .title_box p,
#introduce_3 .sub_visual .title_box h3 {
    font-family: var(--font_3);
}

.introduce .sub_visual .title_box p {
    font-size: 32px;
    font-weight: bold;
    font-family: var(--font_1);
    color: #fff;
    text-shadow: 2px 2px 3px rgba(0, 0, 0, 0.55);
    margin-bottom: 28px;
}

.introduce .sub_visual .title_box span {
    font-size: 18px;
    font-weight: 400;
    font-family: var(--font_1);
    color: #fff;
    text-shadow: 2px 2px 3px rgba(0, 0, 0, 0.55);
    margin-bottom: 75px;
    display: block;
}


.introduce .gallery_section {
    padding: 180px 0px;
    background: url(../img/gallery_section_bg.jpg) no-repeat center / cover;
    position: relative;
    z-index: 1;
}

.introduce .gallery_section .inner {
    max-width: 1520px;
    margin: 0 auto;
    width: 100%;
    padding: 0px 40px;
    box-sizing: border-box;
}

.introduce .gallery_section .text_box {
    margin-bottom: 40px;
}

.introduce .gallery_section .text_box h4 {
    font-size: 64px;
    font-weight: bold;
    color: #fff;
    font-family: var(--font_1);
    margin-bottom: 45px;
}

.introduce .gallery_section .text_box p {
    font-size: 24px;
    font-weight: bold;
    color: #1BB3FF;
    margin-bottom: 15px;
    font-family: var(--font_1);
}

.introduce .gallery_section .text_box article {
    font-size: 18px;
    font-family: var(--font_1);
    color: #fff;
    font-weight: 300;
    max-width: 680px;
}

.introduce .gallery_section .swiper {
    overflow: visible;
}

.introduce .gallery_section .swiper .swiper-slide {
    max-width: 690px;
}

.introduce .gallery_section .swiper .swiper-slide img {
    width: 100%;
}

.introduce .gallery_section .swiper .gallery_pagination {
    position: relative;
    width: 100%;
    background: #fff;
    height: 3px;
    margin-top: 80px;
}

.introduce .gallery_section .swiper .gallery_pagination .swiper-pagination-progressbar-fill {
    background: #1BB3FF;
}


/* media */

#media .sub_banner {
    background: url(../img/media_top_bg.jpg) no-repeat center / cover;
    height: 600px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

#media .sub_banner .media_nav {
    position: absolute;
    left: 50%;
    bottom: 60px;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 35px;
}

#media .sub_banner .media_nav a {
    display: block;
    padding: 15px 0px;
    width: 290px;
    text-align: center;
    border-radius: 100px;
    background: #3E5862;
    color: #B2BCC4;
    font-size: 24px;
}

#media .sub_banner .media_nav a:hover,
#media .sub_banner .media_nav a.active {
    color: #fff;
    background: linear-gradient(88.27deg, #2BBCFF 0%, #005AFF 99.52%);
}

#media .sub_banner .title h2 {
    font-size: 68px;
    color: #fff;
}

#media.media_1 .sub_banner {
    margin-bottom: 250px;
}

#media.media_2 .gallery_wrap {
    margin-top: 200px;
}

#media .gallery_wrap {
    margin-bottom: 200px;
}

#media .gallery_wrap .inner {
    max-width: 1520px;
    padding: 0px 40px;
    box-sizing: border-box;
    margin: 0 auto;
}

#media .gallery_wrap .gallery_top {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 120px;
    border-bottom: 1px solid #A5A5A5;
    padding-bottom: 150px;
}

#media .gallery_wrap .gallery_top .img_box {
    border-radius: 12px;
    overflow: hidden;
}

#media .gallery_wrap .gallery_top .img_box img {
    width: 100%;
}

#media .gallery_wrap .gallery_top .text_box {
    max-width: 480px;
}

#media .gallery_wrap .gallery_top .text_box p {
    font-family: var(--font_1);
    font-size: 36px;
    font-weight: 500;
    margin-bottom: 30px;
}

#media .gallery_wrap .gallery_top .text_box article {
    font-size: 18px;
    font-weight: 500;
    font-family: var(--font_1);
    line-height: 1.7;
    margin-bottom: 80px;
}

#media .gallery_wrap .gallery_top .text_box span {
    font-size: 18px;
    color: #A5A5A5;
    font-family: var(--font_1);
}

#media .gallery_wrap .gallery_list ul {
    display: flex;
    flex-wrap: wrap;
    column-gap: 28px;
    row-gap: 80px;
}

#media .gallery_wrap .gallery_list ul li {
    width: calc(33.3% - 19px);
}

#media .gallery_wrap .gallery_list ul li .thumb {
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

#media .gallery_wrap .gallery_list ul li .thumb img {
    width: 100%;
}

#media .gallery_wrap .gallery_list ul li .text_box p {
    font-size: 20px;
    font-weight: 500;
    font-family: var(--font_1);
    line-height: 1.7;
}

#media .gallery_wrap .gallery_list ul li .text_box span {
    font-size: 20px;
    font-weight: 500;
    font-family: var(--font_1);
    display: block;
    margin-top: 35px;
    color: #A5A5A5;
}

#media .gallery_wrap .gallery_list .btn_box {
    display: flex;
    justify-content: center;
    margin-top: 100px;
}

#media .gallery_wrap .gallery_list .btn_box button b,
#media .gallery_wrap .gallery_list .btn_box button {
    font-size: 24px;
    font-weight: 700;
    font-family: var(--font_1);
}


/* booth */

#booth .sub_banner {
    background: url(../img/booth_top_bg.jpg) no-repeat center / cover;
    height: 600px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 240px;
}

#booth .sub_banner .title h2 {
    font-size: 68px;
    color: #fff;
}

#booth .booth_wrap .title {
    text-align: center;
    margin-bottom: 70px;
}

#booth .booth_wrap .title h3 {
    font-size: 68px;
    color: var(--main);
}

#booth .booth_wrap .title article {
    margin-top: 40px;
    font-size: 24px;
    font-weight: 500;
    line-height: 1.7;
    font-family: var(--font_1);
}

#booth .inner {
    max-width: 1520px;
    padding: 0px 40px;
    box-sizing: border-box;
    margin: 0 auto;
}

#booth .item_2,
#booth .item_1 {
    margin-bottom: 160px;
}

#booth .item_1 .img_box img {
    width: 100%;
}

.tab_box .tab_nav {
    margin-bottom: 80px;
}

.tab_box .tab_nav ul {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.tab_box .tab_nav ul li a {
    font-size: 28px;
    padding: 10px 50px;
    box-sizing: border-box;
    background: #3E6689;
    border-radius: 100px;
    color: #B2C2D0;
    display: inline-block;
    transition: all 0.3s;
    cursor: pointer;
}

.tab_box .tab_nav ul li a:hover,
.tab_box .tab_nav ul li.active a {
    background: #2BBCFF;
    background: linear-gradient(90deg, rgba(43, 188, 255, 1) 0%, rgba(0, 90, 255, 1) 100%);
    box-shadow: inset rgba(255, 255, 255, 0.2) 0px 8px 24px;
    color: #fff;
}

.tab_box .tab_content {
    display: none;
    opacity: 0;
    transition: all 0.5s;
}

.tab_box .tab_content.active {
    display: block;
    opacity: 1;
}

.tab_box .tab_content .card_box ul li {
    margin-bottom: 80px;
    font-size: 40px;
    text-align: center;
}

.tab_box .tab_content .card_box ul li a {
    color: #fff;
}

.tab_box .tab_content .card_box ul li:hover img {
    transform: scale(1.05);
}

.tab_box .tab_content .card_box ul li img {
    width: 100%;
    transition: all 0.3s;
}

.tab_box .tab_content .card_box ul li:last-child {
    margin-bottom: 0;
}

#booth .item_2 .swiper {
    border-radius: 12px;
    overflow: hidden;
}

#booth .item_2 .swiper .booth_arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    z-index: 100;
}

#booth .item_2 .swiper .booth_prev {
    left: 70px;
}

#booth .item_2 .swiper .booth_next {
    right: 70px;
}

#booth .item_2 .swiper .swiper-pagination {
    bottom: 40px;
}

#booth .item_2 .swiper .swiper-pagination .swiper-pagination-bullet {
    background: #fff;
    margin: 0px 10px;
}