* {
    margin: 0;
    padding: 0;
 }

 html,body {
    width: 100%;
    height: 100%;
    background: black url(../img/body-bg.jpg);
 }

 @keyframes earth-move {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.earth-box {
    position: fixed !important;
    left: 50%;
    margin-left: -500px;
    width: 1080px;
    height: 1000px;
    background: transparent;
    z-index: 2;
    transform: scale(0);
    animation: earth-move 1s ease-in-out 1s forwards;
}

.earth-box::before {
    content: "加载中。请稍候！";
    position: absolute;
    top: 23%;
    left: 26%;
    width: 48%;
    height: 54%;
    line-height: 520px;
    font-size: 28px;
    border-radius: 50%;
    color: white;
    text-align: center;
    box-shadow: 0 0 300px 80px rgba(116, 36, 216, 0.8);
}