* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  padding: 0;
  border: 0;
  font: inherit;
}

button:focus {
  outline: 0;
}

a,
a:hover,
a:link {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-family: "arial", "helvetica", "sans-serif", "pingfang tc", "pingfang sc", "Microsoft Yahei";
  font-size: 16px;
  line-height: 1.7;
}

.container {
  width: 1100px;
  margin: auto;
}

@media screen and (max-width: 768px) {
  html {
    font-size: 15px;
  }
}

@media screen and (max-width: 570px) {
  html {
    font-size: 14px;
  }
}

@media screen and (max-width: 1200px) {
  .container {
    width: 920px;
  }
}

@media screen and (max-width: 992px) {
  .container {
    width: 720px;
  }
}

@media screen and (max-width: 768px) {
  .container {
    width: 100%;
  }
}

img {
  max-width: 100%;
}

h2 {
  margin-top: 1rem;
  margin-bottom: 0;
  -webkit-background-clip: text;
  font-size: 3rem;
  font-weight: bold;
  text-align: center;
  -webkit-text-fill-color: transparent;
}

h3 {
  color: #1614a5;
  font-size: 2rem;
  text-align: center;
}

@media screen and (max-width: 768px) {
  h2 {
    font-size: 7vw;
  }
  h3 {
    font-size: 4vw;
  }
}

@media screen and (max-width: 520px) {
  h2 {
    font-size: 6.5vw;
  }
  h3 {
    font-size: 3.5vw;
  }
}

i.icon {
  display: inline-block;
  background-image: url("../images/icon.png");
  background-size: 200%;
}

.text-center{
	text-align:center;
}

i.icon.chevron {
  width: 25px;
  height: 18px;
  background-position: 100%;
  background-position-x: 0;
}

i.icon.chevron-down {
  background-position-y: 245px;
}

i.icon.chevron-up {
  background-position-y: 137px;
}

i.icon.apple {
  width: 95px;
  height: 105px;
  background-position: 94px 109px;
}

i.icon.download {
  width: 17px;
  height: 17px;
  background-position-y: 0;
}

@media screen and (max-width: 520px) {
  i.icon.apple {
    width: 13vw;
    height: 15vw;
    background-position: 102% 100%;
  }
}

.container {
  padding-right: 10px;
  padding-left: 10px;
} 

.language {
  margin-top: 10px;
}

.language select {
  position: relative;
  padding: 2px 3px;
  border: 1px solid #c0c1df;
  background-color: #e0dfef;
  color: #161c94;
}

header {
  position: relative;
}

header .mainBackground {
  z-index: -1;
  position: absolute;
  width: 100%;
  height: 100%;
}

header .mainBackground .background {
  width: 100%;
  height: 74%;
  background-image: url("../images/banner_bg.jpg?v2");
  background-position: bottom;
  background-repeat: no-repeat;
  background-size: cover;
}

header .mainBackground .backgroundColor {
  height: 26%;
  background: linear-gradient(to bottom, #e0dfef, #c0c1df);
}

@media screen and (max-width: 992px) {
  header .mainBackground .background {
    height: calc(100% - 260px);
  }

  header .mainBackground .backgroundColor {
    height: 260px;
  }
}

@media screen and (max-width: 768px) {
  header .mainBackground .background {
    height: calc(100% - 250px);
  }

  header .mainBackground .backgroundColor {
    height: 250px;
  }
}

header .container {
  max-width: 920px;
  margin: auto;
}

header .logo {
  padding-top: 30px;
  padding-right: 17%;
  padding-left: 17%;
}

header .siteTitle {
  margin-top: 60px;
}

@media screen and (max-width: 520px) {
  header .siteTitle {
    margin-top: 40px;
  }
}

header .siteTitle h2 {
  margin-top: 0;
}

header .mainImage {
  margin-top: 1.3rem;
}

header .downloadColumn {
  margin-bottom: 15px;
  padding: 10px 5px;
  background-color: #c3c7ec;
  text-align: center;
}

header .buttonColumn {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}

header .downloadColumn .buttonColumn .button-col {
  display: flex;
  flex: 1;
  justify-content: center;
  margin-right: 7px;
}

header .downloadColumn .buttonColumn .button-col:last-child {
  margin-right: 0;
}

header .downloadColumn h5 {
  margin-bottom: 7px;
  background: -webkit-linear-gradient(#4877df, #1614a5);
  -webkit-background-clip: text;
  font-size: 1.3rem;
  font-weight: 500;
  -webkit-text-fill-color: transparent;
}

header .downloadColumn .buttonColumn button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 4px 10px;
  border: 1px solid #646462;
  border-radius: 15px;
  background: transparent;
  color: #646462;
  font-size: 1rem;
}

header .downloadColumn .buttonColumn button .icon {
  margin-right: 3px;
}

header .downloadColumn .buttonColumn button:hover {
  border: 1px solid #d3d4e9;
  background: linear-gradient(#4877df, #1614a5);
  color: #fff;
}

button:hover i.icon.download {
  background-position-x: 16px;
}

@media screen and (max-width: 370px) {
  i.icon.download {
    width: 15px;
    height: 15px;
  }

  header .downloadColumn .buttonColumn button {
    padding: 4px 7px;
    font-size: 11px;
  }
}

header .downloadColumn .buttonColumn > button:last-child {
  margin-right: 0;
}

header .tutorial {
  padding-top: 20px;
  padding-bottom: 10px;
  color: #646462;
  text-align: center;
}

header .tutorial p {
  font-size: 0.85rem;
}

main .mainBackground {
  z-index: -99;
  position: fixed;
  top: 0;
  width: 100vw;
  height: 100vw;
}

main .mainBackground .background {
  width: 100%;
  height: 77vh;
  background-image: url("../images/banner_bg.jpg?v2");
  background-position: bottom;
  background-repeat: no-repeat;
  background-size: cover;
}

main .mainBackground .backgroundColor {
  height: 23vh;
  background: linear-gradient(to bottom, #e0dfef, #c0c1df);
}

main {
  margin: 20px 0;
}

main .timeline {
  margin: 20px auto 0;
}

main .timelineColumn {
  position: relative;
  max-width: 383px;
  margin: 0 auto;
  padding-left: 50px;
}

main .timelineColumn::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 8px;
  width: 3px;
  background: linear-gradient(
    rgba(237, 207, 155, 0) 0%,
    rgba(16, 23, 166) 10%,
    rgba(16, 23, 166) 90%,
    rgba(237, 207, 155, 0) 100%
  );
  content: "";
}

main .timeline .stepColumn {
  position: relative;
  margin: 0 auto;
  margin-bottom: 30px;
}

main .timeline .stepColumn::after {
  position: absolute;
  top: 22px;
  left: -50px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: #1017a6;
  content: "";
}

main .timeline .stepText {
  display: flex;
  align-items: center;
}

main .timeline .stepText .number {
  margin-right: 1rem;
  background: -webkit-linear-gradient(#4877df, #1614a5);
  -webkit-background-clip: text;
  font-size: 2.7rem;
  font-weight: bold;
  -webkit-text-fill-color: transparent;
}

@media screen and (max-width: 413px) {
  main .timeline .timelineColumn {
    padding-left: 35px;
  }
  main .timeline .stepText .number {
    margin-right: 0.5rem;
    font-size: 2.3rem;
  }

  main .timeline .stepColumn::after {
    top: 15px;
    left: -35px;
  }
}

.container .timeline .stepText .step {
  color: #1017a6;
}

header .siteTitle h2 {
  color: #284DCE;
  background: initial;
  -webkit-text-fill-color: initial;
}

header .siteTitle h3 {
  color: #284DCE;
}

.main .mainBackground {
  z-index: -1;
  position: fixed;
  width: 100%;
  height: 100%;
  background-image: url("../images/background.png");
  background-position: top;
  background-repeat: no-repeat;
  background-size: cover;
	top: 0;
	left: 0;
}

header .downloadArea {
  display: flex;
  gap: 3rem;
  margin: 0 5rem;
}

header .downloadArea .buttonArea {
  flex: 1;
}

header .downloadArea .buttonArea button {
  border: 0;
  background-color: transparent;
  font-weight: normal;
  font-size: inherit;
  text-decoration: none;
  position: relative;
  width: 100%;
  aspect-ratio: 450 / 136;
  margin-bottom: 2rem;
  text-align: left;
  font-weight: 500;
  cursor:pointer;
}


@media screen and (max-width: 768px) {
  header .downloadArea {
    margin: 0 2rem;
  }

  header .downloadArea .buttonArea button {
    margin-bottom: 2rem;
  }
}

@media screen and (max-width: 480px) {
  header .downloadArea {
    margin: 0 .8rem;
    gap: .8rem;
  }

  header .downloadArea .buttonArea button {
    margin-bottom: 1rem;
  }
}

header .downloadArea .buttonArea button.ios {
  color: #1B4C80;
}

header .downloadArea .buttonArea button.android {
  color: #72A7AD;
}

header .downloadArea .buttonArea .background {
  position: absolute;
  width: 100%;
  top: 0;
  left: 0;
  z-index: -1;
}

header .downloadArea .buttonArea .textArea {
  display: flex;
  align-items: center;
  height: 3.6rem;
  font-size: 1.8rem;
}

header .downloadArea .buttonArea .textArea img {
  max-width: 100%;
  max-height: 100%;
  margin-left: 1.2rem;
  margin-right: .7rem;
}

@media screen and (max-width: 992px) {
  header .downloadArea .buttonArea .textArea {
    height: 2.2rem;
    font-size: 1.4rem;
  }
  header .downloadArea .buttonArea .textArea img {
    margin-left: .8rem;
    margin-right: .5rem;
  }
}

@media screen and (max-width: 768px) {
  header .downloadArea .buttonArea .textArea {
    height: calc(100% - 6vw);
    font-size: 3.5vw;
  }
  header .downloadArea .buttonArea .textArea img {
    margin-left: 2vw;
    margin-right: 1.2vw;
  }
}