@charset 'utf-8';

/* ======레이아웃 =======*/
* { margin: 0; padding: 0; }

html { overflow-x: hidden; overflow-y: scroll; scrollbar-width: 20px; scrollbar-color: rgb(255, 255, 255) black; }

body { font-family: 'KoPubWorldDotum',sans-serif; }

a { font-family: 'KoPubWorldDotum',sans-serif; text-decoration: none; }

.inner { width: 100%; max-width: 1200px; height: inherit; margin: 0 auto; }

.popup { width: 440px; height: 150px; border: 3px solid rgb(112, 110, 110); position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background-color: #fff; font-size: 20px; line-height: 1.5; padding: 40px 30px 0; z-index: 9999; border-radius: 20px; }

.popup button { width: 60px; height: 40px; border-radius: 10px; position: relative; left: 85%; box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5); top: 5px; z-index: 10000; cursor: pointer; }

/* ======= header ====== */
header { width: 100%; height: 100vh; }

.gnb { display: flex; width: 100%; height: 90px; align-items: center; justify-content: space-evenly; background: linear-gradient(0deg,  rgba(255, 255, 255, 0) 0,rgba(255, 255, 255, 0.3)  30%,rgba(255, 255, 255, 0.5)  100%); box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1); position: absolute; z-index: 100; box-sizing: border-box; }

.gnb a { white-space: nowrap; text-decoration: none; }

.gnb li { list-style: none; }

.gnb.sticky { position: fixed; width: 100%; height: 70px; background: rgba(255, 255, 255, 0.95); box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); border-bottom: 1px solid rgba(0, 0, 0, 0.1); backdrop-filter: blur(10px); }

/* 햄버거 메뉴 스타일 */
.hamburger-menu {
    display: none; /* 기본적으로 숨김 */
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    position: relative;
    color: #333;
    font-size: 20px;
    transition: all 0.3s ease;
}

.hamburger-menu:hover {
    color: #00d9ff;
    transform: scale(1.1);
}

.hamburger-menu:hover {
    color: #00d9ff;
    transform: scale(1.1);
}

/* 햄버거 메뉴 활성화 시 X 아이콘으로 변경 */
.hamburger-menu.active i:before {
    content: "\f00d"; /* Font Awesome times (X) 아이콘 */
}

/* 모바일 메뉴 스타일 */
.mobile-menu {
    display: none;
    position: fixed;
    top: 90px;
    left: 0;
    width: 100%;
    height: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    overflow: hidden;
    transition: height 0.3s ease;
}

.mobile-menu.active {
    height: 300px;
}

.mobile-menu ul {
    list-style: none;
    margin: 0;
    padding: 20px 0;
}

.mobile-menu li {
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.mobile-menu li:last-child {
    border-bottom: none;
}

.mobile-menu a {
    display: block;
    padding: 15px 20px;
    color: #333;
    text-decoration: none;
    font-size: 18px;
    transition: all 0.3s ease;
}

.mobile-menu a:hover {
    background-color: #f0f0f0;
    color: #00d9ff;
}

.dep1 { display: flex; margin: 0 auto; gap: 50px; justify-content: center; align-items: center; }

.dep1>li>a { display: block; padding: 0 1.36em; color: #0e0d0d; position: relative; overflow: hidden; transition: all 0.3s ease; }

.dep1>li>a::after { position: absolute; bottom: 16px; left: 0; font-size: 6px; content: "●"; color: #dcf5ff; opacity: 0; }

.dep1>li>a:hover::after { opacity: 1; width: 100%; }

.dep1>li>a:hover { color: #00d9ff; transform: scale(1.2); font-weight: 500; }

.dep1 li { position: relative; line-height: 60px; text-align: center; }

.dep2 { width: 100%; height: 0; overflow: hidden; position: absolute; z-index: 20; }

.dep2 li { list-style: none; transition: all 0.5s; }

.dep2 li a { text-decoration: none; color: #0e0d0d; }

.dep2>li>a:hover { color: #0e0d0d; border-bottom: #09b1ff 3px solid; }

.w100 { width: 100%; height: 0; position: absolute; top: 90px; transition: height 0.5s; background-color: #f4f5f8f5; z-index: 15; border-radius: 8px; box-shadow: 5px 5px 3px rgb(145 152 164/15%); }

.dep1:hover~.w100, .dep2:hover~.w100 { height: 400px; }

.dep1:hover .dep2, .dep2:hover { height: 400px; }

.sidenav { display: flex; width: 10%; gap: 30px; justify-content: center; align-items: center; margin-right: 70px; }

.map { width: 30px; height: 30px; background: url(../images/icon_header_map.png) no-repeat; display: inline-block; }

.profile { width: 30px; height: 30px; background: url(../images/icon_header_profile1.png) no-repeat; display: inline-block; }

.lang_select:hover, .map:hover, .profile:hover { background-color: hsl(187, 85%, 73%); border-radius: 50%; }

.lang_select { width: 30px; height: 30px; background: url(../images/icon_header_lang.png) no-repeat; display: inline-block; }

.logo { width: 10%; display: flex; align-items: center; justify-content: center; margin-left: 70px; }

.logo img { width: 100%; height: auto; display: block; }

/* header_slide */
.header_slide { width: 100vw; height: calc(100vh + 180px); overflow: hidden; position: relative; z-index: 1; top: -180px; }

.slide_m { width: 100%; height: 100%; position: absolute; top: 0; left: 0; opacity: 0; background-size: cover; background-position: center; }

.mainText { position: relative; top: 50%; left: 50%; transform: translate(-50%,-50%); z-index: 66; color: #fff; line-height: 0.7; text-align: center; text-shadow: 2px 2px 5px rgb(196, 196, 196); }

.mainText:before { background: rgba(255, 255, 255, 0.2); content: ''; position: absolute; width: 50%; height: 100%; left: 50%; transform: translate(-50%); filter: blur(20px); }

.mainText h2 { font-family: "Italiana",sans-serif; font-weight: 400; font-style: normal; font-size: 124px; }

.mainText span { font-family: 'KoPubWorldDotum'; font-weight: normal; font-style: normal; font-size: 60px; }

.swiper { width: 100%; height: 100%; }

.swiper-slide img { display: block; width: 100%; height: 100%; object-fit: cover; border-radius: 20px; }

.search_box { position: absolute; width: 400px; height: 65px; bottom: 20%; left: 50%; transform: translate(-50%); z-index: 5; }

#search_txt { width: 100%; height: 100%; border: 2px solid #ffffffcb; background-color: rgba(255, 255, 255, 0.16); box-sizing: border-box; padding-left: 84px; border-radius: 20px; box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); backdrop-filter: blur(10px); outline: none; }

#search_txt::placeholder { color: #fff; font-size: 18px; }

.searchBtn { position: absolute; left: 84%; top: 50%; transform: translateY(-50%); width: 50px; height: 65px; cursor: pointer; display: flex; align-items: center; justify-content: center; }

/* ===================== main ===================== */
main { width: 100%; height: auto; }

.bgcolor { width: 100vw; height: auto; background-color: rgba(163, 234, 255, 0.192); margin-left: calc(-50vw + 50%); padding: 6vw 0; position: relative; }

.promotion { width: 100%; height: 350px; position: relative; margin: 0 auto; box-sizing: border-box; }

.swiper-next, .swiper-prev { z-index: 999; user-select: none; position: absolute; top: 50%; transform: translateY(-50%); }

.material-symbols-outlined { font-size: 24px; color: #070404; cursor: pointer; }

.swiper-prev { left: 10px; }

.swiper-next { right: 10px; }

/* 공통 섹션 타이틀 스타일 */
.section1 .title { text-align: center; line-height: 1.75; margin-bottom: 3vw; text-shadow: 2px 2px 5px rgb(196, 196, 196); }

.section2 .title { text-align: left; line-height: 1.75; margin-bottom: 3vw; text-shadow: 2px 2px 5px rgb(196, 196, 196); }

.section3 .title { text-align: left; line-height: 1.75; margin-bottom: 65px; text-shadow: 2px 2px 5px rgb(196, 196, 196); }

.section1 .title h2, .section2 .title h2, .section3 .title h2 { color: #666; font-size: 3.2rem; font-weight: 400; }

.section1 .title span { color: #007bff; }

.section2 .title span { color: rgb(140, 0, 255); }

.section3 .title h2 span { color: #ff04c0; }

.section1 .title p, .section2 .title p { color: #666; font-size: 1.4rem; }

.section3 .title p { color: #666; font-size: 1.6rem; }

.section3 .description { font-size: 1.2rem; color: #666; }

/* Section1 탭 버튼 */
.section1 .section_tab { display: flex; justify-content: center; align-items: center; margin-bottom: 75px; gap: 30px; position: relative; }

.btn_s1 { position: relative; width: 200px; height: 100%; background: linear-gradient(0deg, rgba(0, 172, 238, 1) 0, rgba(2, 126, 251, 1)100%); background-clip: text; -webkit-text-fill-color: transparent; font-size: 20px; border: none; line-height: 60px; padding: 0; cursor: pointer; transition: all 0.3s ease; }

.section_tab:after { content: ''; position: absolute; width: 100%; height: 100%; background: #d9e9ed2d; top: 0; z-index: -1; border-radius: 10px; }

.btn_s1.active { background: linear-gradient(0deg, rgba(0, 172, 238, 1) 0, rgba(2, 126, 251, 1)100%); color: #fff; background-clip: content; -webkit-text-fill-color: white; }

/* Section2 탭 버튼 */
.section2 .section_tab { display: flex; justify-content: center; align-items: center; margin-bottom: 20px; gap: 30px; }

.section2 .description { text-align: center; color: #666; font-size: 1.2rem; margin-bottom: 50px; }

.btn_s2 { position: relative; width: 150px; height: 45px; background: linear-gradient(0deg, rgba(255, 193, 7, 1) 0, rgba(255, 152, 0, 1) 100%); font-size: 16px; border: none; color: #fff; cursor: pointer; border-radius: 25px; transition: all 0.3s ease; }

.btn_s2.active { background-color: #ff9800; color: #fff; font-weight: bold; box-shadow: 0 4px 15px rgba(255, 152, 0, 0.4); }

.btn_s2:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255, 152, 0, 0.3); }

.btn2 { width: 200px; height: 50px; display: block; font-size: 16px; margin: 50px auto 0; border-radius: 20px; background-color: #fff; color: rgb(0, 0, 0); border: 1px double rgba(255, 196, 0, 0.801); box-shadow: 4px 4px 5px 2px #0002; transition: all .5s; }

.btn2:hover { background-color: #ff7300; color: #fff; box-shadow: 5px 5px 5px 2px rgba(36, 36, 36, 0.137); }

/* 공통 스와이퍼 이미지 스타일 */
.section1_sw .swiper-slide, .section2_sw .swiper-slide, .section3_sw .swiper-slide { display: block; width: 100%; height: 100%; }

.section1_sw .swiper-slide img { width: 100%; height: 300px; object-fit: cover; border-radius: 20px; box-shadow: 4px 4px 5px 0 #0005; box-sizing: border-box; margin: 10px 0; }

.section2_sw .swiper-slide img, .section3_sw .swiper-slide img { width: 100%; height: 300px; object-fit: cover; border-radius: 20px; }

.section1 img:hover { outline: solid 3px rgba(31, 31, 31, 0.76); }

/* Section3 탭 메뉴 */
.section3 .tab_menu { margin-bottom: 55px; background-color: #c1ddfc; border-radius: 16px; width: 800px; height: 120px; position: relative; top: 50%; left: 50%; transform: translate(-50%); display: flex; flex-direction: row; }

.section3 .tab_menu li { list-style: none; background-color: #fff; width: 160px; height: 90px; margin: 14px; border-radius: 16px; cursor: pointer; text-align: center; display: flex; align-items: center; justify-content: center; }

.section3 .tab_menu li a { color: #999; font-weight: bold; text-decoration: none; font-size: 20px; position: relative; display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; border-radius: 16px; }

.tab_menu>p { width: 15%; height: inherit; font-weight: 400; font-size: 24px; text-align: center; top: 20px; }

/* banner 배너영역 */
.banner .swiper { width: 100vw; height: 160px; position: relative; display: flex; box-sizing: border-box; }

.banner .swiper-slide { display: block; color: #3d3d3d; }
.banner .swiper-slide .text-content { position: absolute; display: flex; flex-direction: column; right: 100px; top: 20%; gap: 20px; }
.banner .swiper-slide .text-content span { font-size: 18px; font-weight: 300; line-height: 1.2; }

.swiper-slide .text-content strong { font-size: 24px; font-weight: bold; line-height: 1.2; }

.banner .swiper-slide img { height: 160px; width: 100%; object-fit: contain; position: absolute; left: -150px; border-radius: 20px; }

/* 배너 배경색 */
.bg1 { background-color: rgb(252, 249, 154); }

.bg2 { background-color: rgb(253, 240, 236); }

.bg3 { background-color: rgb(33, 6, 128); }

.bg3>a>.text-content { color: #fff; }

.bg4 { background-color: rgb(222, 238, 255); display: block; }

.bg5 { background-color: #7bdb51; }

.bg6 { background-color: #c7eaff; }

.bg7 { background-color: #d6f0c9; }

.bg8 { background-color: #ffd4f1; }

.bg9 { background-color: #ffd6f1; }

.bg10 { background-color: #fffad4; }

.bg11 { background-color: #dbf3ff; }

.bg12 { background-color: #b2e7c9; }

.bg13 { background-color: #ffe8c1; }

.bg14 { background-color: #d4effb; }

/* ======== Footer 스타일 ======== */
footer { width: 100%; background: #f7f7f7; border-top: 1px solid #dee2e6; padding: 0 0 20px; }

.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.select_area { width: 100vw; height: 60px; display: flex; justify-content: center; align-items: center; gap: 12px; font-size: 16px; background-color: #f0f0f0; margin-left: calc(-50vw + 50%); }

.select_area .alert a { font-size: 14px; }

.alert { text-align: center; width: 25%; height: 50px; overflow: hidden; position: relative; border: 1px solid #ddd; border-radius: 8px; background-color: #fff; }

.alert-swiper { width: 100%; height: 100%; }

.alert-swiper .swiper-wrapper { height: 100%; }

.alert-swiper .swiper-slide { height: 50px; display: flex; align-items: center; justify-content: center; text-align: center; }

.alert-swiper .swiper-slide a { display: block; width: 100%; height: 100%; color: #333; text-decoration: none; padding: 0 15px; box-sizing: border-box; font-size: 14px; line-height: 50px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.swiper-controls { display: flex; align-items: center; gap: 5px; color: #333; }

.alert-add, .alert-next, .alert-play-pause, .alert-prev { width: 20px; height: 20px; border: none; background: transparent; cursor: pointer; display: flex; align-items: center; justify-content: center; }

.alert-add img, .alert-next img, .alert-play-pause img, .alert-prev img { width: 100%; height: 100%; object-fit: contain; }

.select_area select { width: 200px; height: 32px; line-height: 1.4; font-size: 14px; padding: 5px 10px; border: 2px solid #ccc; border-radius: 8px; background-color: #fff; color: #333; font-weight: normal; appearance: none; -webkit-appearance: none; -moz-appearance: none; background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4 5"><path fill="%23666" d="M2 0L0 2h4zm0 5L0 3h4z"/></svg>'); background-repeat: no-repeat; background-position: right 10px center; background-size: 12px; outline: none; }

.select_button { width: 80px; height: 32px; font-size: 14px; padding: 0 10px; border: 2px solid #007bff; border-radius: 8px; background-color: #007bff; color: #fff; transition: background-color 0.3s; text-align: center; cursor: pointer; }

.select1, .select2 { display: flex; align-items: center; gap: 5px; }

.banner-item, button { cursor: pointer; }

/* SNS 섹션 */
.footer-sns { text-align: center; margin-bottom: 10px; }

.sns-title { font-size: 18px; font-weight: bold; color: #333; margin-top: 20px; margin-bottom: 20px; }

.sns-links { display: flex; justify-content: center; gap: 15px; }

.sns-link { display: flex; flex-direction: column; align-items: center; text-decoration: none; padding: 10px; border-radius: 12px; transition: all 0.3s ease; min-width: 80px; }

.sns-link:hover { transform: translateY(-3px); box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); }

.sns-link img { margin-bottom: 8px; }

.sns-link span { font-size: 14px; color: #666; font-weight: 500; }

/* SNS 개별 색상 */
.sns-link.blog:hover { background-color: rgba(255, 152, 0, 0.1); }

.sns-link.facebook:hover { background-color: rgba(24, 119, 242, 0.1); }

.sns-link.twitter:hover { background-color: rgba(29, 161, 242, 0.1); }

.sns-link.instagram:hover { background-color: rgba(225, 48, 108, 0.1); }

.sns-link.kakao:hover { background-color: rgba(255, 235, 51, 0.2); }

.sns-link.naver:hover { background-color: rgba(3, 199, 90, 0.1); }

/* 관련기관 배너 */
.footer-banners { display: flex; justify-content: center; align-items: center; gap: 20px; margin-bottom: 10px; padding: 20px 0; border-top: 1px solid #e9ecef; border-bottom: 1px solid #e9ecef; flex-wrap: wrap; }

.banner-item img { height: 70px; width: auto; max-width: 200px; transition: transform 0.3s ease; }

.banner-item:hover img { transform: scale(1.1); }

/* 기관 정보 */
.footer-info { color: #666; font-size: 13px; line-height: 1.6; }

.info-links { margin-bottom: 10px; text-align: center; }

.info-links a { color: #666; text-decoration: none; margin: 0 8px; position: relative; transition: color 0.3s ease; }

.info-links a:hover { color: #007bff; }

.contact-info { text-align: center; margin-bottom: 20px; }

.info { display: flex; justify-content: center; gap: 15px; }

.copyright { display: flex; justify-content: space-between; align-items: center; padding-top: 10px; border-top: 1px solid #e9ecef; flex-wrap: wrap; gap: 20px; }

.footer_logo { width: 89px; height: 14px; }

.related-sites { display: flex; gap: 15px; align-items: center; }

.related-sites img { height: auto; width: auto; }

/* top버튼 */
.topBtn { width: 70px; height: 65px; color: #fff; background-color: #36bdc7af; border-radius: 40%; position: fixed; top: 80%; left: 85%; z-index: 999; transition: all 0.5s; font-size: 60px; text-align: center; cursor: pointer; font-family: 'Segoe UI',Tahoma,Geneva,Verdana,sans-serif; }

.topBtn:hover { color: #fff; background-color: #0773ff; }

/* 탭 패널 공통 스타일 */
.tab-content { width: 100%; position: relative; }

.tab-panel { display: none; width: 100%; }

.tab-panel.active { display: block; animation: fadeIn 0.3s ease-in-out; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 탭 버튼 active 스타일 */

.section3 .tab_menu li a.active { color: #007bff; background-color: #e3f2fd; font-weight: bold; }

/* ----------------------------- */
/* 모든 섹션의 모든 탭 스와이퍼 스타일 통합 */
.content-swiper .swiper-slide { 
    display: block; 
    width: 224px!important; 
    height: 320px; 
    flex-shrink: 0; 
}

.content-swiper .swiper-slide img { 
    width: 224px; 
    height: 300px; 
    object-fit: cover; 
    border-radius: 20px; 
    box-shadow: 4px 4px 5px 0 rgba(0, 0, 0, 0.3); 
    box-sizing: border-box; 
    margin: 10px 0; 
    transition: all 0.3s ease; 
}

.content-swiper .swiper-slide img:hover { 
    outline: solid 3px rgba(31, 31, 31, 0.76); 
    transform: scale(1.05); 
}

.content-swiper .swiper-next, 
.content-swiper .swiper-prev { 
    z-index: 999; 
    user-select: none; 
    position: absolute; 
    top: 50%; 
    transform: translateY(-50%); 
    width: 40px; 
    height: 40px; 
    background: rgba(255, 255, 255, 0.9); 
    border-radius: 50%; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    cursor: pointer; 
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); 
    transition: all 0.3s ease; 
}

.content-swiper .swiper-prev { 
    left: 10px; 
}

.content-swiper .swiper-next { 
    right: 10px; 
}

.content-swiper .swiper-next:hover, 
.content-swiper .swiper-prev:hover { 
    background: #fff; 
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); 
    transform: translateY(-50%) scale(1.1); 
}

/* ======================================== */

/* 반응형 디자인 */
@media (max-width: 1200px) {
  .hamburger-menu {
    display: none !important;
  }
  .inner {
    max-width: 95%;
  }
  .dep1 {
    gap: 30px;
  }
  .logo {
    margin-left: 30px;
  }
  .sidenav {
    margin-right: 30px;
  }
}

@media (max-width: 1024px) {
  .dep1, .sidenav {
    display: none !important;
  }
  .hamburger-menu {
    display: flex !important;
    order: 2;
    margin-right: 10px;
    padding: 10px;
  }
  .mobile-menu {
    display: block;
  }
  .gnb {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
  }
  .logo {
    order: 1;
    margin: 0 0 0 10px;
  }
  .gnb.sticky .hamburger-menu {
    color: #333;
  }
  .gnb.sticky .hamburger-menu:hover {
    color: #00d9ff;
  }
  .mainText h2 {
    font-size: 80px;
  }
  .mainText span {
    font-size: 40px;
  }
  .section1 .title h2, .section2 .title h2, .section3 .title h2 {
    font-size: 2.5rem;
  }
  .section3 .tab_menu {
    width: 90%;
  }
  .banner .swiper-slide img {
    left: 0;
    border-radius: 20px;
  }
  .content-swiper .swiper-slide {
    width: calc(25% - 20px)!important;
  }
}

@media (max-width: 768px) {
  .mainText h2 {
    font-size: 60px;
  }
  .mainText span {
    font-size: 30px;
  }
  .search_box {
    width: 80%;
    bottom: 15%;
  }
  .section1 .title h2, .section2 .title h2, .section3 .title h2 {
    font-size: 2rem;
  }
  .section1 .title p, .section2 .title p, .section3 .title p {
    font-size: 1.2rem;
  }
  .section1 .section_tab, .section2 .section_tab {
    flex-direction: column;
    gap: 15px;
    margin-bottom: 40px;
  }
  .section3 .tab_menu {
    flex-direction: column;
    width: 90%;
    height: auto;
    background: none;
  }
  .section3 .tab_menu li {
    width: 100%;
    margin: 5px 0;
  }
  .banner .swiper-slide .text-content {
    right: 20px;
  }
  .banner .swiper-slide .text-content span {
    font-size: 16px;
  }
  .banner .swiper-slide .text-content strong {
    font-size: 20px;
  }
  .select_area {
    flex-direction: column;
    height: auto;
    padding: 20px 0;
  }
  .alert {
    width: 80%;
  }
  .content-swiper .swiper-slide {
    width: calc(50% - 20px)!important;
  }
  .sns-links { gap: 10px; }
  .sns-link { min-width: 60px; }
  .sns-link img { width: 30px; height: 30px; }
  .footer-banners { gap: 10px; }
  .banner-item img { height: 30px; }
  .info-links { line-height: 1.8; }
  .info-links a { margin: 0 4px; display: inline-block; }
  .copyright { flex-direction: column; text-align: center; }
  .related-sites { justify-content: center; }
  .topBtn {
    width: 50px;
    height: 50px;
    font-size: 40px;
    line-height: 50px;
    left: 80%;
  }
}

@media (max-width: 480px) {
  .mainText h2 {
    font-size: 40px;
  }
  .mainText span {
    font-size: 20px;
  }
  .section1 .title h2, .section2 .title h2, .section3 .title h2 {
    font-size: 1.8rem;
  }
  .section1 .title p, .section2 .title p, .section3 .title p {
    font-size: 1rem;
  }
  .btn_s1, .btn_s2 {
    width: 150px;
    font-size: 16px;
  }
  .content-swiper .swiper-slide {
    width: 100%!important;
  }
  .banner .swiper-slide img {
    display: none;
  }
  .banner .swiper-slide .text-content {
    position: relative;
    right: auto;
    top: auto;
    text-align: center;
    padding: 20px;
  }
}