* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
body {
  overflow-x: hidden;
}
.tc {
  text-align: center;
}

.news-btn {
  width: 50px;
  height: 50px;
  position: fixed;
  bottom: 15%;
  right: 5%;
  display: inline-block;
  z-index: 3000;
  border-radius: 50%;
  background: url("https://lf6-appstore-sign.oceancloudapi.com/ocean-cloud-tos/FileBizType.BIZ_BOT_ICON/3389157369709204_1734616297875232972_RgR0CIqNhV.png?lk3s=68e6b6b5&x-expires=1734619897&x-signature=kOMX%2FepOFsvuor5YdLhieLpmhKI%3D")
    no-repeat center;
  background-size: contain;
}

#newsIframe {
  width: 100%;
  height: 100%;
  position: fixed;
  z-index: 2000;
  top: 0;
  left: 0;
  border: none;
}

.hide {
  display: none;
}

.center-container {
  width: 100%;
  top: 50%;
  position: absolute;
  transform: translateY(-50%);
}

iframe {
  width: 100%;
  left: 0;
  top: 0;
  position: fixed;
}