/* 全局loading */
.loading {
    position: fixed;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.2);
    z-index: 999;
}

#animation {
    width: 250px;
    position: fixed;
    left: calc(50% - 125px);
    top: calc(50% - 125px);
}