* { box-sizing: border-box; }
html,body { margin: 0; padding: 0; max-width: 100%; width: 100%; overflow-x: hidden;}
body { font-family: PingFang SC, PingFang SC; font-size: 18px; text-align: center; overflow: auto; color: #131112; background: #fff;}
body>* { margin: auto; }
a, a:visited, a:active, a:hover{ text-decoration: none;}
.header a, .header a:visited, .header a:active, .header a:hover {color: inherit; }
.pointer {cursor: pointer;}
.clearfix::after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: " ";
  clear: both;
  height: 0;
}
.ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.flex {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-l {
  display: flex;
  align-items: center;
}
.flex1 {
  flex: 1;
}
.page-width {
  margin: auto;
  width: 1200px;
  text-align: left;
  /* background: red; */
}

.header {
  z-index: 100;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  background-color: rgba(255,255,255,0.92);
  box-shadow: 0px 12px 12px 0px rgba(19,17,18,0.04);
}
.header-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-logo-menu {
  display: flex;
}
.header-logo {
  margin-right: 120px;
  line-height: 72px;
  font-weight: 400;
  font-size: 40px;
}
.header-menu {
  display: flex;
  line-height: 72px;
  font-weight: 300;
  font-size: 14px;
}
.header-menu>.item {
  margin-right: 24px;
  padding: 0 8px;
}
.header-menu>.item:hover {
  background: url(../img/menu-active.png) no-repeat bottom 21px right;
  background-size: 16px 16px;
}
.header-menu>.item.active {
  font-weight: 600;
  font-size: 15px;
  background: url(../img/menu-active.png) no-repeat bottom 21px right;
  background-size: 16px 16px;
}
.download-btn {
  width: 128px;
  height: 40px;
  line-height: 40px;
  font-weight: 300;
  font-size: 20px;
  color: #FFFFFF;
  text-align: center;
  background: linear-gradient( 123deg, #00D078 0%, #007DF0 100%);
  border-radius: 28px 28px 28px 28px;
  border-image: linear-gradient(90deg, rgba(245, 245, 245, 1), rgba(245, 245, 245, 1)) 1 1;
}

.float-layer {
  z-index: 99;
  position: fixed;
  top: 50vh;
  right: 20px;
  width: 72px;
  margin-top: -90px;
  padding: 32px 0 1px 0;
  font-weight: 400;
  font-size: 12px;
  color: #666666;
  background: rgba(255,255,255,0.96);
  box-shadow: 0px 0px 24px 0px rgba(19,17,18,0.04);
  border-radius: 36px 36px 36px 36px;
}
.float-layer .item {
  margin-bottom: 32px;
  cursor: pointer;
}
.float-layer .item>img {
  width: 24px;
  height: 24px;
}

.footer {
  padding-top: 48px;
  padding-bottom: 45px;
  color: #fff;
  background: url(../img/footer-bg.png) no-repeat;
  background-size: cover;
  background-position: center;
}
.footer-box {
  display: flex;
  justify-content: space-between;
}
.footer-logo {
  padding-top: 19px;
  margin-bottom: 32px;
  font-size: 40px;
}
.footer-item {
  display: inline-flex;
  margin-right: 24px;
  margin-bottom: 16px;
  font-weight: 100;
  font-size: 14px;
  color: #CCCCCC;
}
.footer-icon {
  float: left;
  margin-right: 7px;
  width: 24px;
  height: 24px;
}
.footer-QR-Code {
  display: flex;
  margin-bottom: 48px;
  text-align: center;
  font-weight: 400;
  font-size: 12px;
  color: #CCCCCC;
}
.footer-QR-Code>.item {
  margin: 0 20px;
}
.footer-QR-Code>.item:last-child {
  margin: 0;
}
.footer-QR-img {
  padding: 6px;
  width: 104px;
  height: 104px;
  background: rgba(134,144,156,0.32);
  border-radius: 2px 2px 2px 2px;
}
.footer-QR-img>img {
  width: 100%;
  height: 100%;
}
.footer-icp-box {
  text-align: center;
  font-family: Inter, Inter;
  font-weight: 400;
  font-size: 10px;
  color: #999999;
}

@media (max-width:1200px) and (min-width:1000px){
  .page-width {
    width: 1000px;
  }
}
@media (max-width:1000px) and (min-width:800px){
  .page-width {
    width: 800px;
  }
}
@media (max-width:800px) and (min-width:600px){
  .page-width {
    width: 600px;
  }
  .header-logo {
    margin-right: 30px;
  }
  .footer-box {
    display: block;
  }
  .footer-QR-Code {
    justify-content: space-between;
    margin-top: 50px;
    margin-right: 0px;
    padding: 0 50px;
  }
}
@media (max-width:600px){
  .float-layer {
    display: none;
  }
  .page-width {
    width: calc(100% - 30px);
  }
  .header-logo {
    margin-right: 16px;
    font-size: 20px;
  }
  .header-menu {
    font-size: 12px;
    white-space: nowrap;
  }
  .header-menu>.item {
    margin-right: 5px;
  }
  .header-menu>.item.active {
    font-size: 13px;
  }
  .download-btn {
    width: 80px;
    height: 30px;
    line-height: 30px;
    font-size: 14px;
    border-radius: 28px;
  }
  .footer-box {
    display: block;
  }
  .footer-QR-Code {
    display: block;
    margin-top: 30px;
    width: 100%;
  }
  .footer-QR-Code>.item {
    margin: 0 0 30px 0;
    width: 100%;
    overflow: hidden;
  }
  .footer-QR-img {
    margin: auto;
    margin-bottom: 10px;
    width: 280px;
    height: 280px;
  }
}