header {
  background-color: #fff;
}
header .header {
  height: 60px;
  display: flex;
  align-items: center;
}
header .header .logo {
  margin-right: 22px;
  width: 200px;
}
header .header .logo img {
  width: 100%;
}
header .header nav .nav-list {
  display: flex;
  align-items: center;
}
header .header nav .nav-list .nav-item {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-size: 24px;
  color: #333333;
  line-height: 24px;
  margin-right: 20px;
}
header .header nav .nav-list .nav-item.active {
  color: #0bd1b4;
}

.wechat {
  position: relative;
}

.wechat .footer-linksee {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 100;
}

.wechat:hover .footer-linksee {
  display: block;
}
/* 
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body.iframe-active {
  overflow: hidden;
}

iframe[name="contentFrame"] {
  width: 100%;
  height: 100vh;
  border: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
} */