.cover{z-index:9999;position:absolute;top:0;left:0;right:0;bottom:0;width:auto;height:auto;background:var(--cover-color);display:-ms-flexbox!important;display:flex!important;-ms-flex-flow:column nowrap;flex-flow:column nowrap;-ms-flex-pack:center;justify-content:center;-ms-flex-align:center;align-items:center}.cover-hidden{transition:opacity .5s,z-index 0s .5s;opacity:0;z-index:-1}.cover-bg{position:absolute;top:0;left:0;z-index:0}.cover-logo{position:relative;z-index:1;font-family:sans-serif;-ms-flex-item-align:center;align-self:center;color:#3eade5;font-weight:700;font-size:7vm;font-size:7vmin;text-align:center;overflow:hidden}.cover-spin{margin-top:10px}.cover-spin .ant-spin-dot{width:40px;height:40px}.cover-spin .ant-spin-dot i{width:18px;height:18px}