.earth-shadow {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 1;
    width: 750px;
    height: 750px;
    background: url(../img/earth/shadow.png) no-repeat 50%
      50%;
    background-size: 96% 96%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
}

.earth-shadow2 {
    position: absolute;
    left: calc(50% + 100px);
    top: calc(50% + 100px);
    z-index: 0;
    width: 750px;
    height: 750px;
    background: url(../img/earth/shadow2.png) no-repeat -50% -50%;
    background-size: 100% 100%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
}

#earth-container {
    width: 100%;
    height: 814px;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 2;
}

#earth-menus {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 3;
    margin: 0;
    padding: 0;
    width: auto;
    background: transparent;
    list-style: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-box-shadow: 0 2px 15px 0 transparent;
    box-shadow: 0 2px 15px 0 transparent;
}

#earth-menus > li {
    position: absolute;
    width: auto;
    height: auto;
    line-height: 26px;
    border-bottom: 0 solid #cccaca;
    font-size: 24px;
    font-family: SourceHanSansCN, SourceHanSansCN-Bold;
    font-weight: 700;
    color: #333333;
    text-align: center;
    white-space: nowrap;
    cursor: pointer;
}

#earth-menus > li.active {
    color: #e77202;
}

#earth-menus > li:hover {
    color: #e77202;
}