jiemo-website/src/components/PageHeader/PageHeader.less

.header-wrap {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  padding: 0 40px;
}

.logo-wrap {
  width: 120px;
  height: 40px;
  display: block;
  background: url(../../assets/logo_words.png) no-repeat center;
  background-size: 100% 100%;
}
.header-nav {
  display: flex;
  text-align: center;
  & > li {
    width: 80px;
    height: 24px;
    line-height: 24px;
    color: rgba(255, 255, 255, .5);
    font-size: 12px;
    cursor: pointer;
    border-right: 1px solid rgba(255, 255, 255, .5);
    transition: all .3s ease 0s;
    position: relative;
  }
  & > li:last-child {
    border-right: 0;
  }

  & > li:hover {
    color: #fff;
    transition: all .3s ease 0s;
  }

  .qrcode-wrap {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%, 0);
    padding-top: 20px;
  }
  .qrcode-img-wrap {
    background: #fff;
    border-radius: 10px;
    padding: 10px;
  }
  .qrcode-wrap .qrcode-img {
    width: 106px;
    height: 106px;
    display: block;
    margin: 0;
  }
  & > .qrcode-li:hover {
    // color: rgba(255,255,255,1);
    transition: all .3s ease 0s;
    .qrcode-wrap {
      display: block;
    }
  }

  li.nav-active {
    color: #fff;
    &:after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: -1px;
      transform: translate(-50%, 0);
      height: 2px;
      width: 12px;
      background: #FF4D79;
      border-radius: 1px;
    }
  }
}
.header-white {
  box-shadow: 0px 4px 10px rgba(0,0,0,0.04);
  .logo-wrap {
    background: url(../../assets/logo_words_02.png) no-repeat center;
    background-size: 100% 100%;
  }

  .header-nav { 
    & > li {
      color: rgba(0, 0, 0, .5);
      border-right: 1px solid rgba(0,0,0,0.25);
    }
    & > li:last-child {
      border-right: 0;
    }
    & > li:hover {
      color: #000000;
    }
  }
  li.nav-active { 
    color: #000000;
  }
  .qrcode-img-wrap {
    box-shadow: 0px 0px 4px rgba(0,0,0,0.04);
    border: 1px solid rgba(0,0,0, 0.1);
  }
}