html, body, #app {
  margin: 0;
  padding: 0;
  color: #fff;
  box-sizing: border-box;
}
div {
  box-sizing: border-box;
}
#app {
  color: #333;
}
/* 盒子布局常用类 */
.fx {
  display: flex;
}
.fx-c {
  justify-content: center;
}
.fx-end {
  justify-content: end;
}
.fx-sa {
  justify-content: space-around;
}
.fx-sb {
  justify-content: space-between;
}
.fx-se {
  justify-content: space-evenly;
}
.fx-fw {
  flex-wrap: wrap;
}
.ai-fs {
  align-items: flex-start;
}
.ai-c {
  align-items: center;
}
.ai-fe {
  align-items: flex-end;
}
.fd-c {
  flex-direction: column;
}
.fd-row-reverse {
  flex-direction: row-reverse;
}
.fx-1 {
  flex: 1;
}
.w-100 {
  width: 100%;
}
.color-white {
  color: #fff;
}
.color-light {
  color: #0197B0;
}
.cursor-pointer {
  cursor: pointer;
}

.top {
  position: fixed;
  width: 100%;
  height: 64px;
  line-height: 64px;
  box-sizing: border-box;
  background-color: rgba(245, 245, 245, 0.9);
  backdrop-filter: saturate(50%) blur(4px);
  z-index: 999;
}
.top.transparent-bg {
  background-color: transparent;
  backdrop-filter: none;
}
.top-logo {
  width: 40px;
  height: 40px;
  background: url("../img/logo.png") no-repeat;
  background-size: contain;
}
.menu-panel {
  justify-content: flex-end;
}
.sm-menu-list {
  position: relative;
  margin-left: 20px;
}
.sm-menu-list-overlay {
  display: none;
  position: absolute;
  left: 0;
  top: 64px;
  color: #333;
  border-radius: 5px;
  background-color: #fff;
}
.sm-menu-list-overlay.active {
  display: block;
}
.sm-menu-item {
  width: 30px;
  height: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}
.sm-menu-item-line {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background-color: #666;
}
.transparent-bg .sm-menu-item-line {
  background-color: #fff;
}
.transparent-bg .sm-menu-item {
  color: #fff;
  border-color: #fff;
}
.sm-menu-overlay-item {
  min-width: 120px;
  line-height: 24px;
  padding: 5px 10px;
  margin: 5px 0;
}
.menu-list {
  display: flex;
  align-items: center;
  height: 100%;
}
.menu-item {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  padding: 0 20px;
  font-size: 16px;
  box-sizing: border-box;
  color: #333;
  cursor: pointer;
}
.menu-item.active {
  color: #0197B0;
  border: 2px solid transparent;
  border-bottom-color: #0197B0;
}
.transparent-bg .menu-item {
  color: #fff;
  border-bottom-color: #fff;
}
.lang-list {
  position: relative;
}
.lang-list-overlay {
  display: none;
  position: absolute;
  left: 0;
  top: 64px;
  color: #333;
  border-radius: 5px;
  background-color: #fff;
}
.lang-list-overlay.active {
  display: block;
}
.lang-item {
  min-width: 120px;
  line-height: 24px;
  text-align: center;
  padding: 5px 10px;
  border: 1px solid #999;
  border-radius: 5px;
}
.transparent-bg .lang-item {
  color: #fff;
  border-color: #fff;
}
.lang-overlay-item {
  min-width: 120px;
  line-height: 24px;
  padding: 5px 10px;
  margin: 5px 0;
}
.top a {
  color: #333;
  text-decoration: none;
}
.top.transparent-bg a {
  color: #fff;
}
.app-name {
  font-size: 16px;
  margin-left: 12px;
}
.app-desc {
  font-size: 14px;
  margin-left: 12px;
  opacity: 0.6;
}
.top-download {
  width: 24px;
  height: 24px;
  background: url("../img/cloud-arrow-down@2x.png") no-repeat;
  background-size: cover;
}
.content {
  width: 100%;
  overflow-y: auto;
  position: relative;
}
img {
  display: block;
  max-width: 100%;
  max-height: 100%;
}
.bg-cover-center {
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}


.bottom {
  background-color: #4394A6;
}
.bottom-contact-top {
  max-width: 22.8rem;
  height: 5.06rem;
  margin: 24px 0;
  font-size: 32px;
  font-weight: bold;
  border-radius: 50px;
  background-color: #005062;
  box-shadow: inset -1px 3px 6px 0px #00bce5;
}
.bottom-list {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  flex-wrap: wrap;
  color: #fff;
  margin-bottom: 24px;
  border-radius: 50px;
  background-color: #005062;
  box-shadow: inset -1px 3px 6px 0px #00bce5;
}
.bottom-list-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 12px;
  margin-bottom: 24px;
}
.bottom-list-item-title {
  font-size: 1.25rem;
  font-weight: bold;
  margin-top: 2rem;
}
.bottom-icon {
  width: 36px;
  height: 36px;
  margin: 1rem 0;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}
.bottom-contact {
  background-image: url("../img/bottom-contact.png");
}
.bottom-info {
  background-image: url("../img/bottom-info.png");
}
.icon-email {
  width: 14px;
  height: 14px;
  background-image: url("../img/icon-email.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}
.icon-tel {
  width: 14px;
  height: 14px;
  background-image: url("../img/icon-tel.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}
.info-nav {
  background-color: #281723;
  margin: .5rem;
  width: 9.625rem;
  font-size: 1.25rem;
  text-align: center;
  line-height: 2.25rem;
  border-radius: 40px;
  border: 2px solid rgb(255, 255, 255);
}
.bottom-download-text {
  width: 9rem;
  height: 2rem;
  background-color: #D49073;
  border-radius: 40px;
  border: 1px solid rgb(255, 255, 255);
}
.bottom-copy {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 9.12rem;
  padding-bottom: 2rem;
  font-size: 12px;
  color: #fff;
}

@media only screen and (max-width: 767px) {
  .hidden-xs-only {
    display:none!important
  }
  .bottom-list {
    flex-direction: column;
  }
  .content-width {
    width: 340px;
  }
}

@media only screen and (min-width: 768px) {
  .hidden-sm-and-up {
    display:none!important
  }
}

@media only screen and (min-width: 768px) and (max-width:991px) {
  .hidden-sm-only {
    display:none!important
  }
  .content-width {
    width: 540px;
  }
}

@media only screen and (max-width: 991px) {
  .hidden-sm-and-down {
    display:none!important
  }
}

@media only screen and (min-width: 992px) {
  .hidden-md-and-up {
    display:none!important
  }
}

@media only screen and (min-width: 992px) and (max-width:1199px) {
  .hidden-md-only {
    display:none!important
  }
  .content-width {
    width: 800px;
  }
}

@media only screen and (max-width: 1199px) {
  .hidden-md-and-down {
    display:none!important
  }
}

@media only screen and (min-width: 1200px) {
  .hidden-lg-and-up {
    display:none!important
  }
}

@media only screen and (min-width: 1200px) and (max-width:1919px) {
  .hidden-lg-only {
    display:none!important
  }
  .content-width {
    width: 1080px;
  }
}

@media only screen and (max-width: 1919px) {
  .hidden-lg-and-down {
    display:none!important
  }
}

@media only screen and (min-width: 1920px) {
  .hidden-xl-only {
    display:none!important
  }
  .content-width {
    width: 1400px;
  }
}