html {
  font-family: "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: #2c3e50;
  min-width: 320px;
}

/* ibreezee header */
.ibreezee-header {
  background: rgba(255, 255, 255, 0.5);
  box-shadow: 0 0.25rem 0.5rem 0 rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(.375rem);
}

.ibreezee-header-wrap {
  display: none !important;
  height: 5rem;
  align-items: center;
}

.ibreezee-header-logo img {
  display: inline-block;
  height: 2.25rem;
}

.ibreezee-header-menu {
  flex: 1;
  text-align: right;
}

.ibreezee-header .menu-link,
.ibreezee-header .menu-link:link,
.ibreezee-header .menu-link:active {
  color: rgba(0, 0, 0, 1);
  text-decoration: none;
}

.ibreezee-header .menu-link {
  position: relative;
  margin: 0 1.25rem;
  padding-bottom: 10px;
  font-size: 1.25rem;
}

.ibreezee-header .menu-link.active::before {
  position: absolute;
  left: 50%;
  bottom: 0;
  content: '';
  width: 12px;
  height: 4px;
  margin-left: -6px;
  border-radius: 2px;
  background-color: rgba(57, 189, 142, 1);
}

/* ibreezee footer */
.ibreezee-footer {
  background-color: rgba(32, 32, 32, 1);
  font-size: 1.25rem;
}

.ibreezee-footer,
.ibreezee-footer a,
.ibreezee-footer a:link,
.ibreezee-footer a:active {
  color: rgba(255, 255, 255, 1);
  text-decoration: none;
}

.footer-banner {
  background: url('../images/common/footer.png') no-repeat top center;
  background-size: auto 100%;
}

.footer-banner-wrap {
  height: 16rem;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-banner-logo {
  width: 30rem;
  height: 7rem;
  background: url('../images/common/logo_alpha.png') no-repeat;
  background-size: 100% auto;
}

.ibreezee-footer-nav {
  padding-top: 4.375rem;
  padding-bottom: 3rem;
}

.ibreezee-footer-nav h5 {
  font-size: 1.625rem;
  padding-bottom: 1rem;
}

.ibreezee-footer-nav .list-unstyled li {
  margin-top: 1rem;
  color: rgba(255, 255, 255, 0.7);
}

.ibreezee-footer-nav .list-unstyled a {
  color: rgba(255, 255, 255, 0.7);
}

.ibreezee-footer-nav .list-unstyled a:hover {
  color: rgba(255, 255, 255, 1);
}

.footer-wechat {
  position: relative;
  height: 1rem;
}

.footer-wechat img {
  height: 1.75rem;
  cursor: pointer;
}

.footer-wechat:hover img {
  position: absolute;
  height: 10rem;
}

.copyright {
  padding-top: 4.375rem;
  padding-bottom: 4.375rem;
  border-top: 1px solid rgba(150, 150, 150, 0.6);
  text-align: center;
}

@media (min-width: 0px) { 
  html {
    font-size: 8px;
  }
}

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) { 
  html {
    font-size: 10px;
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
  html {
    font-size: 12px;
  }
  .ibreezee-header-wrap {
    display: flex !important;
  }
}


@media (min-width: 992px) { 
  html {
    font-size: 14px;
  }
  .ibreezee-header .menu-link {
    margin: 0 1.75rem;
  }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) { 
  html {
    font-size: 16px;
  }

  .footer-banner {
    background: url('../images/common/footer.png') no-repeat;
    background-size: cover;
  }
}