@charset "UTF-8";

/* ************************************************
	font
************************************************ */
@font-face {
  font-family: "EBSHMJESaeronSB";
  src: url(../font/EBSHMJESaeronSB.woff) format("woff"),
    url(../font/EBSHMJESaeronSB.ttf) format("ttf");
  font-weight: normal;
  font-style: normal;
}

@keyframes planet {
  0%,
  100% {
    top: 35rem;
  }

  50% {
    top: 30rem;
  }
}

@keyframes light {
  0%,
  100% {
    opacity: 0.5;
  }

  50% {
    opacity: 1;
  }
}

@keyframes cylinder1 {
  0%,
  100% {
    top: 50%;
    left: 50%;
  }

  50% {
    top: 45%;
    left: 55%;
  }
}

@keyframes cylinder2 {
  0%,
  100% {
    top: 55%;
    left: 50%;
  }

  50% {
    top: 60%;
    left: 45%;
  }
}

@keyframes turn {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}
* {
  box-sizing: border-box;
}
html {
  font-size: 10px;
}

a {
  text-decoration: none;
  color: inherit;
}
button {
  background: transparent;
  cursor: pointer;
  color: #fff;
}

body {
  color: #fff;
  font-size: 2.2rem;
  font-weight: 300;
  font-family: "Noto Sans KR", sans-serif;
  word-wrap: break-word;
  overflow-x: hidden;
}

.bg {
  position: fixed;
  top: 0;
  left: 0;
  background: #000;
  width: 100%;
  height: 100%;
  z-index: -4;
}

/* header */
.header {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  width: 100%;
  padding: 0 5%;
  background: rgb(0 0 0 / 90%);
  transition: 0.5s;
}

.header .header_inner {
  display: flex;
  align-items: center;
  max-width: 185rem;
  height: 10rem;
  margin: auto;
  transition: 0.3s height;
  justify-content: space-between;
}

.header .header_inner .logo {
  width: 19.5rem;
  height: 3rem;
  background: url(../images_renew/Mammoth_logo_horizontal_white.png) no-repeat
    center/100%;
  transition: 0.3s all;
  cursor: pointer;
}

.header .menuBox {
  display: flex;
  height: 100%;
  align-items: center;
}

.header .mobileMenuBox,
.header .mobileBut,
.header .mobileCloseBut {
  display: none;
}

.header .menuBox a,
.header .menuBox span,
.header .mobileMenuBox a,
.header .mobileMenuBox span {
  font-family: "Poppins", sans-serif;
  font-size: 1.8rem;
  font-weight: 600;
  cursor: pointer;
}

.header .menuBox > a {
  margin-right: 4rem;
}

.header .menuBox > a:hover,
.header .mobileMenuBox > a:hover {
  color: #7f32b7;
}

.header .menuBox .siteSelectBox {
  border: 1px solid #fff;
  width: 13.6rem;
  height: 5rem;
  padding: 1rem;
}

.header .menuBox .siteSelectBox select {
  background: none;
  color: #fff;
  display: block;
  font-size: 1.5rem;
  font-family: "Roboto", sans-serif;
  width: 100%;
  height: 100%;
  outline: none;
}

.header .menuBox .siteSelectBox select option {
  color: #000;
}

.header .langMenu .langBox {
  width: 6rem;
  position: relative;
}

.header .langMenu .langBox a {
  width: 100%;
  display: inline-block;
  padding: 0.8rem;
}

.header .langMenu .langBox a.active {
  background: #ffc03b;
  color: #090919;
}

.header .langMenu .langBox a:hover {
  background: #ffc03b;
  color: #090919;
}

.header .langMenu .langBox span {
  background: url(../images/ico_arrow_selectbox_down_wh.png) no-repeat right
    0.8rem center;
  display: inline-block;
  width: 85%;
}

.header .langMenu .langBox span.open {
  background-image: url(../images/ico_arrow_selectbox_up_wh.png);
}

.header .langMenu .langList {
  background: rgba(255, 255, 255, 0.1);
  height: 0;
  overflow: hidden;
  margin-top: 10px;
  position: absolute;
  left: -8px;
  width: 6rem;
}
.header .langMenu .langList.open {
  height: auto;
}

.container {
  position: relative;
  padding: 0 18%;
  overflow: hidden;
}

.container .fixImg {
  position: fixed;
  width: 100%;
  height: 100vh;
  top: 0;
  left: 0;
  background: url(../images_renew/bg_01.png) no-repeat center/100%;
  z-index: -3;
}

/* main */
.main {
  height: 100vh;
  align-items: center;
  vertical-align: middle;
  text-align: center;
  display: flex;
  justify-content: center;
  font-family: "Roboto", sans-serif;
  font-weight: 900;
  overflow: hidden;
}

.main .textBox .fir {
  font-size: 3.9rem;
  margin-bottom: 2.6rem;
}

.main .textBox .sec {
  font-size: 8rem;
  margin-bottom: 4.5rem;
}

.main .whitePaperBox span {
  display: inline-block;
  border-radius: 51px;
  text-align: center;
  padding: 2rem 4rem;
  border: 1px solid #fff;
  font-size: 1.8rem;
  width: 28rem;
  height: 6.4rem;
  cursor: pointer;
}

.main .whitePaperBox a:nth-of-type(2) {
  margin: 0 2rem;
}

.main .whitePaperBox span:hover {
  color: #7f32b7;
  border-color: #7f32b7;
}

.main .planet {
  position: absolute;
  animation: planet 3.5s infinite;
  z-index: -1;
}

.main .planet img {
  width: 100%;
}

.main .planetS {
  width: 40rem;
  height: 40rem;
  top: 35rem;
  left: 8rem;
}

.main .planetS img {
  transform: rotate(90deg);
}

.main .planetM {
  width: 100rem;
  height: 100rem;
  top: 35rem;
  right: -30rem;
  background: radial-gradient(ellipse closest-side, #e515bd 30%, #000);
  border-radius: 50%;
  text-align: center;
}
.main .planetM img {
  width: 85%;
  position: absolute;
  top: 55%;
  left: 57%;
  transform: translate(-50%, -50%);
}

.intro {
  font-family: "Roboto", sans-serif;
  min-height: 100vh;
  position: relative;
}

.intro_bg {
  width: 100%;
  margin-top: -55rem;
  position: relative;
  z-index: -1;
}

.intro_bg img {
  width: 100%;
}

.intro > .fir,
.ecoSystem > .fir {
  opacity: 0.7;
  font-weight: 700;
  font-size: 3rem;
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.intro > .fir span.ball,
.ecoSystem > .fir span.ball,
.tec > .fir span.ball,
.dist > .fir span.ball {
  width: 12px;
  height: 12px;
  background-image: linear-gradient(138deg, #f6276d 20%, #e515bd 86%);
  display: inline-block;
  border-radius: 50%;
  margin-right: 1.2rem;
}

.intro > .sec,
.ecoSystem > .sec,
.tec > .sec,
.dist > .sec {
  font-size: 6rem;
  font-weight: 700;
  margin-bottom: 2rem;
  margin-top: 1rem;
}

.intro > .thr,
.ecoSystem > .thr {
  font-family: "Noto Sans KR", sans-serif;
  letter-spacing: -1.2px;
  font-size: 2.4rem;
}

.intro .imgTextBox {
  margin-top: 7rem;
}

.intro .imgTextBox .flexBox {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10rem;
}

.intro .imgTextBox .box {
  width: 45%;
  display: inline-block;
}

.intro .imgTextBox .box > p {
  font-size: 3rem;
  font-weight: 700;
  margin-top: 3rem;
  margin-bottom: 2rem;
}

.intro .imgTextBox .box > span {
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: -1px;
}

.ecoSystem {
  margin-top: 20rem;
  min-height: 100vh;
  position: relative;
}

.ecoSystem .eco_bg {
  position: absolute;
  left: -120rem;
  top: -2rem;
}

.ecoSystem .flexBox {
  margin-top: 8rem;
  display: flex;
  justify-content: space-between;
  margin-bottom: 17rem;
}

.ecoSystem .flexBox .box {
  width: 29%;
  font-family: "Noto Sans KR", sans-serif;
  border-top: 2px solid;
  border-image: linear-gradient(to right, #f6276d, #e515bd) 1%;
  padding-top: 2rem;
}

.ecoSystem .flexBox .box > p {
  font-size: 3.4rem;
  font-weight: 700;
  margin-bottom: 7rem;
  min-height: 10rem;
}

.ecoSystem .flexBox .box > span {
  font-size: 2rem;
  letter-spacing: -1px;
  color: #c9c9c9;
}

.ecoSystem .imgBox {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15rem;
}
.ecoSystem .imgBox p {
  width: 50%;
  font-size: 2rem;
  letter-spacing: -1px;
  font-family: "Noto Sans KR", sans-serif;
}

.ecoSystem .imgBox p span {
  font-size: 5rem;
  font-family: "Roboto", sans-serif;
  color: #7f32b7;
  letter-spacing: normal;
  font-weight: 700;
}

.ecoSystem .imgBox p.tr {
  text-align: right;
}

.ecoSystem .imgBox img {
  animation: light 5s infinite;
  width: 80%;
}

.ecoSystem .imgBox.nft,
.ecoSystem .imgBox.game,
.ecoSystem .imgBox.sfi {
  flex-direction: row-reverse;
}

.tec {
  margin-bottom: 26rem;
}

.tec .sec {
  margin-bottom: 8rem;
}

.tec .flexBox {
  display: flex;
  justify-content: space-between;
}

.tec .flexBox > div {
  width: 50%;
}

.tec .flexBox .textBox p {
  display: block;
}

.tec .flexBox .textBox .mainP {
  font-family: "Noto Sans KR", sans-serif;
  font-size: 3rem;
  letter-spacing: -1.5px;
  font-weight: 700;
  margin-bottom: 2rem;
}

.tec .flexBox .textBox .sub {
  font-family: "Roboto", sans-serif;
  font-size: 2rem;
  letter-spacing: -1px;
  color: #e3e3e3;
  margin-bottom: 5rem;
}

.tec .imgBox {
  position: relative;
}

.tec .imgBox img {
  width: 70%;
  position: absolute;
  top: 50%;
  left: 45%;
  transform: translate(-50%, -50%);
}

.tec .imgBox img:nth-of-type(1) {
  animation: cylinder1 2s infinite, turn 8s linear infinite;
}

.tec .imgBox img:nth-of-type(2) {
  animation: cylinder2 2s infinite, turn 8s linear infinite;
}

.dist .sec {
  margin-bottom: 8rem;
}

.dist .flexBox {
  display: flex;
  justify-content: space-between;
}

.dist .flexBox .imgP {
  width: 49%;
}

.dist .flexBox .imgP img {
  width: 100%;
}

.dist .flexBox .textBox {
  width: 49%;
}

.dist .title {
  font-family: "Noto Sans KR", sans-serif;
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -1.5px;
  margin-bottom: 3rem;
}

.dist table {
  border-collapse: collapse;
  border-top: 2px solid #fff;
  text-align: center;
  width: 100%;
}

.dist tr {
  font-size: 1.8rem;
  font-family: "Roboto", sans-serif;
  letter-spacing: -0.9px;
  font-weight: 300;
  height: 55px;
  border-bottom: 1px solid #888;
}

.dist tr.head {
  font-family: "Noto Sans KR", sans-serif;
  letter-spacing: 3.6px;
  font-weight: 700;
}

.dist tr td {
  text-align: center;
  vertical-align: middle;
  background: #000;
  font-family: "Roboto", sans-serif;
  font-weight: 300;
  letter-spacing: -0.9px;
}

.dist tr td.gray {
  background: rgba(255, 255, 255, 0.1);
}

.dist tr td:nth-of-type(1) {
  width: 20%;
}

.dist tr td:nth-of-type(2) {
  width: 80%;
}

.dist .last {
  font-family: "Noto Sans KR", sans-serif;
  font-size: 2.2rem;
  letter-spacing: -1.1px;
  color: #888;
  font-weight: 300;
  margin-top: 4rem;
}

.roadMap {
  margin-top: 10rem;
  padding-bottom: 10rem;
  position: relative;
}

.roadMap > .title {
  font-size: 3rem;
  font-weight: 700;
  font-family: "Roboto", sans-serif;
  margin-bottom: 4rem;
  text-align: center;
}

.roadMap .roadBox {
  height: auto;
}

.roadMap .roadBox::-webkit-scrollbar {
  display: none;
}

.roadMap .blur {
  position: absolute;
  bottom: -185px;
  left: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(transparent 10%, #000 65%);
  width: 100%;
  height: 37rem;
  z-index: 2;
  display: none;
}

.roadBox {
  position: relative;
  padding-top: 30px;
}

.roadBox .flexBox {
  display: flex;
}

.roadBox .flexBox .itemBox {
  width: 50%;
  padding: 3rem 0;
  box-sizing: inherit;
  position: relative;
}

.roadBox .ball {
  width: 12px;
  height: 12px;
  background-image: linear-gradient(138deg, #f6276d 20%, #e515bd 86%);
  display: inline-block;
  border-radius: 50%;
  position: absolute;
  bottom: 0;
  z-index: 2;
}

.roadBox .flexBox .itemBox.brr {
  border-right: 1px solid #fff;
  padding-right: 2.5rem;
}

.roadBox .flexBox .itemBox.brl {
  border-left: 1px solid #fff;
  padding-left: 2.5rem;
}

.roadBox .flexBox .itemBox.brr .ball {
  right: -7px;
}

.roadBox .flexBox .itemBox.brl .ball {
  left: -7px;
}

.roadBox .flexBox.left {
  justify-content: flex-start;
}

.roadBox .flexBox.right {
  justify-content: flex-end;
}

.roadBox .itemBox p {
  font-size: 1.8rem;
  font-family: "Roboto", sans-serif;
  font-weight: 500;
  line-height: 1.67;
}

.roadBox .itemBox > .title {
  font-size: 2.4rem;
  font-family: "Roboto", sans-serif;
  font-weight: 900;
  color: #b043ff;
  margin-bottom: 1rem;
}

.roadBox .itemBox.tr p {
  text-align: right;
}

.roadBox .lineBox {
  position: absolute;
  top: 15px;
  left: 0;
  width: 50%;
  height: 150rem;
}

.roadBox .ball.firBg {
  width: 28px;
  height: 28px;
  opacity: 0.75;
  background: #e616b7;
  position: absolute;
  top: -13px;
  right: -14px;
  z-index: -1;
}

.roadBox .ball.fir {
  top: -5px;
  right: -6px;
}

.footer {
  width: 100%;
  height: 60vh;
  background: #7731aa;
  padding-top: 15rem;
  position: relative;
}

.footer .title {
  text-align: center;
  font-size: 6rem;
  font-family: "Roboto", sans-serif;
  margin-bottom: 5rem;
  font-weight: 700;
}
.footer .title span {
  color: #000;
}

.footer .snsBox {
  display: flex;
  align-items: center;
  width: 330px;
  margin: 0 auto;
}

.footer .snsBox a {
  display: inline-block;
  margin-right: 20px;
}

.footer .snsBox a:last-of-type {
  margin-right: 0;
}

.footer .copyright {
  text-align: center;
  font-size: 1.4rem;
  font-family: "Roboto", sans-serif;
  color: #000;
  font-weight: 400;
  position: absolute;
  bottom: 8rem;
  left: 50%;
  transform: translate(-50%, -50%);
}

.whitePaper_popup,
.live_popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 101;
  display: none;
}

.whitePaper_popup .whitePaper_dim,
.live_popup .live_dim {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 102;
}

.whitePaper_popup .whitePaper_container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 103;
  background: #121212;
  width: 360px;
  height: 312px;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  padding-top: 20px;
}

.whitePaper_popup .whitePaper_container a {
  border-radius: 45px;
  display: block;
  color: #000;
  background: #fff;
  text-align: center;
  width: 280px;
  height: 64px;
  margin-bottom: 10px;
  font-family: "Roboto", sans-serif;
  font-weight: 900;
  line-height: 64px;
}

.whitePaper_popup .whitePaper_container button {
  position: absolute;
  top: 20px;
  right: 20px;
}

.live_popup .live_container {
  position: absolute;
  top: calc(50% + 2rem);
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 103;
  width: 60%;
  height: 80%;
  padding-top: 2rem;
}

.live_popup .live_container iframe {
  width: 100%;
  height: 100%;
}

.live_popup .live_container button {
  position: absolute;
  top: -3rem;
  right: 0;
}

.mobileMenuBox .siteChange {
  width: 100%;
  text-align: center;
  height: 8rem;
}

.mobileMenuBox .siteChange p,
.mobileMenuBox .siteChange span,
.mobileMenuBox .siteChange a {
  font-size: 2.8rem;
  height: 8rem;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  line-height: 8rem;
}

.mobileMenuBox .siteChange a {
  display: block;
}

.mobileMenuBox .siteChange a:hover {
  color: #7f32b7;
}

.mobileMenuBox .siteChange p.title span {
  background: url(../images/ico_arrow_selectbox_down_wh.png) no-repeat right
    0.8rem center;
  padding-right: 30px;
}

.mobileMenuBox .siteChange p.title span.arrowActive {
  background: url(../images/ico_arrow_selectbox_up_wh.png) no-repeat right
    0.8rem center;
}

.partner > .title {
  font-size: 3rem;
  font-weight: 700;
  font-family: "Roboto", sans-serif;
  margin-bottom: 5rem;
  text-align: center;
}
.partnerBox .flexBox {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
}
.partnerBox .flexBox .box {
  position: relative;
}
.partnerBox .flexBox .box img {
  max-width: 80%;
  height: auto;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.partnerBox.top {
  margin-bottom: 4rem;
  border-top: 2px solid #fff;
  background: rgba(255, 255, 255, 0.1);
}
.partnerBox.top .flexBox .box {
  width: 25%;
  height: 15rem;
  border-right: 1px solid #888;
  border-bottom: 1px solid #888;
}
.partnerBox.top .flexBox .box:nth-child(4n) {
  border-right: none;
}
.partnerBox.bottom {
  margin-bottom: 10rem;
}
.partnerBox.bottom .flexBox .box {
  width: 20%;
  height: 10rem;
}

/* 반응형 */
@media screen and (max-width: 1200px) {
  .header .menuBox > a {
    margin-right: 2rem;
  }
}
@media screen and (max-width: 1024px) {
  html {
    font-size: 7px;
  }

  .whitePaperBox a:last-of-type {
    margin-top: 3rem;
  }

  .intro .imgTextBox {
    padding-left: 0;
  }
  .partnerBox.top .flexBox .box {
    height: 21.5rem;
  }
  .partnerBox.bottom .flexBox .box {
    height: 14.3rem;
  }
}

@media screen and (max-width: 768px) {
  .container {
    padding: 0 5%;
  }

  .intro_bg {
    margin-top: -35rem;
  }

  .ecoSystem .eco_bg {
    display: none;
  }

  .ecoSystem .flexBox {
    display: block;
  }

  .ecoSystem .flexBox .box {
    width: 100%;
    margin-bottom: 5rem;
  }

  .ecoSystem .flexBox .box > p {
    margin-bottom: 1rem;
    min-height: auto;
  }

  .ecoSystem .imgBox {
    display: block;
  }

  .ecoSystem .imgBox p {
    width: 100%;
    font-size: 2.4rem;
  }

  .ecoSystem .imgBox p.imgP {
    text-align: center;
    margin-bottom: 3rem;
  }

  .ecoSystem .imgBox img {
    width: 60%;
  }

  .ecoSystem .imgBox p span {
    text-align: left;
    font-size: 7rem;
    display: inline-block;
    width: 100%;
  }

  .tec .flexBox {
    display: block;
  }

  .tec .flexBox > div {
    width: 100%;
  }

  .tec .flexBox .imgBox {
    height: 70rem;
  }

  .tec .flexBox .textBox .sub {
    margin-bottom: 10rem;
    font-size: 2.4rem;
    line-height: 1.5;
  }

  .dist .flexBox {
    display: block;
  }

  .dist .flexBox .imgP {
    width: 100%;
  }

  .dist .flexBox .textBox {
    width: 100%;
  }

  .dist tr {
    font-size: 2.8rem;
  }

  .dist .last {
    letter-spacing: -0.5px;
  }

  .roadMap > .title {
    font-size: 5rem;
  }

  .roadBox .itemBox p {
    font-size: 2.5rem;
  }

  .roadBox .itemBox > .title {
    font-size: 3rem;
  }

  .roadBox .ball.thr {
    top: 600px;
  }

  .partner > .title {
    margin-bottom: 12.8rem;
    font-size: 5rem;
  }  
  .partnerBox.top .flexBox .box {
    width: 50%;
  }
  .partnerBox.top .flexBox .box:nth-child(2n),
  .partnerBox.top .flexBox .box:nth-child(5),
  .partnerBox.top .flexBox .box:nth-child(7) {
    border-right: none;
  }
  .partnerBox.bottom {
    margin-bottom: 22.8rem;
  }
  .partnerBox.bottom .flexBox .box {
    width: 33%;
  }

  .header .mobileBut {
    width: 6rem;
    height: 3rem;
    cursor: pointer;
    display: block;
  }

  .header .mobileBut span {
    display: inline-block;
    height: 2px;
    width: 100%;
    background: #fff;
  }

  .header .mobileBut span:nth-of-type(2) {
    margin-top: 2rem;
  }

  .header .mobileCloseBut {
    position: relative;
    height: 100%;
    width: 6rem;
    cursor: pointer;
    display: none;
  }

  .mobileCloseBut span {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    display: inline-block;
    height: 2px;
    width: 100%;
    background: #fff;
  }

  .mobileCloseBut span:nth-of-type(2) {
    transform: translate(-50%, -50%) rotate(-45deg);
  }

  .header .menuBox {
    display: none;
  }

  .mobileMenuBox {
    display: block;
  }

  .header .mobileMenuBox {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    height: 0;
    overflow: hidden;
    display: block;
    transition: 1s;
  }

  .header .mobileMenuBox > a {
    display: block;
    text-align: center;
    height: 8rem;
    font-size: 2.8rem;
  }

  .header .mobileMenuBox .langMenu .langBox span {
    width: 50px;
    margin: 0 auto;
    display: block;
  }

  .header .mobileMenuBox .langMenu .langBox {
    width: 100%;
    height: 5rem;
    position: relative;
  }

  .header .mobileMenuBox .langMenu .langList {
    text-align: center;
    position: absolute;
    width: 100%;
    top: 25px;
    background: rgba(0, 0, 0, 0.9);
  }

  .header .mobileMenuBox .langMenu .langList a {
    font-size: 2.8rem;
  }

  .whitePaper_popup .whitePaper_container {
    width: 36rem;
    height: 31.2rem;
  }

  .whitePaper_popup .whitePaper_container a {
    width: 28rem;
    height: 6.4rem;
    line-height: 6.4rem;
  }

  .whitePaper_popup .whitePaper_container button img {
    width: 10px;
  }

}

@media screen and (min-width: 767px) {
  .header .mobileBut,
  .header .mobileCloseBut {
    display: none;
  }
}

@media screen and (max-width: 767px) {  
  .live_popup .live_container {
    width: 80%;
    height: 60%;
  }
}

@media screen and (max-width: 575px) {  
  .live_popup .live_container {
    width: 92%;
    height: 40%;
  }
}

@media screen and (max-width: 480px) {
  .intro_bg {
    margin-top: -15rem;
  }

  .intro .imgTextBox .flexBox {
    display: block;
    margin-bottom: 0;
  }

  .intro .imgTextBox .flexBox .box {
    width: 100%;
    margin-bottom: 10rem;
    text-align: center;
  }

  .intro .imgTextBox .box > p {
    margin-bottom: 1rem;
    text-align: left;
  }

  .intro .imgTextBox .box > span {
    text-align: left;
    display: block;
  }

  .roadBox .itemBox p {
    font-size: 1.8rem;
  }
  .main .whitePaperBox a {
    font-size: 2.5rem;
  }

  .main .whitePaperBox a:nth-of-type(2) {
    margin-top: 3rem;
  }

  .main .textBox .sec {
    font-size: 6rem;
  }

  .main .textBox .fir {
    font-size: 3rem;
  }

  .tec .flexBox .imgBox {
    height: 50rem;
  }

  .live_popup .live_container {
    height: 35%;
  }
}