@media screen and (min-width: 1160px) {
  .index-bg {
    height: 615px; }
    .index-bg .index-bgbox > img {
      position: absolute;
      min-width: 1440px;
      top: 50%;
      left: 50%;
      -webkit-transform: translate(-50%, -50%);
      -moz-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
      -o-transform: translate(-50%, -50%);
      transform: translate(-50%, -50%); }

  .earth-bg {
    height: 431px; }

  .header > div:first-child > ul > li > div {
    opacity: 0; }

  .header > div:first-child > ul > li:hover > div {
    display: block !important; } }

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