.loading{
    background-color: black;
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: 9999;
}

.loader {
    width: 20em;
    height: 20em;
    font-size: 10px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
	margin:100px auto;
}

.loader .face {
    position: absolute;
    border-radius: 50%;
    border-style: solid;
    animation: animate 3s linear infinite;/*infinite*/
    -webkit-animation: animate 3s linear infinite; /* Safari 和 Chrome */
    animation-fill-mode: forwards;/*默认是none 设为forwards 就可以在动画完成后定格在动画最后一帧*/
    -webkit-animation-fill-mode: forwards;
}

.loader .face:nth-child(1) {
    width: 100%;
    height: 100%;
    color: gold;
    border-color: currentColor transparent transparent currentColor;
    border-width: 0.2em 0.2em 0em 0em;
    --deg: -45deg;
    animation-direction: normal;
}

.loader .face:nth-child(2) {
    width: 70%;
    height: 70%;
    color: lime;
    border-color: currentColor currentColor transparent transparent;
    border-width: 0.2em 0em 0em 0.2em;
    --deg: -135deg;
    animation-direction: reverse;
}

.loader .face .circle {
    position: absolute;
    width: 50%;
    height: 0.1em;
    top: 50%;
    left: 50%;
    background-color: transparent;
    transform: rotate(var(--deg));
    transform-origin: left;
}

.loader .face .circle::before {
    position: absolute;
    top: -0.5em;
    right: -0.5em;
    content: '';
    width: 1em;
    height: 1em;
    background-color: currentColor;
    border-radius: 50%;
    box-shadow: 0 0 2em,
                0 0 4em,
                0 0 6em,
                0 0 8em,
                0 0 10em,
                0 0 0 0.5em rgba(255, 255, 0, 0.1);
}

@keyframes animate {
    to {
        transform: rotate(1turn);
    }
}

@-webkit-keyframes animate {
    to {
        -webkit-transform: rotate(1turn);
    }
}

@keyframes disappear {
    from {
        /*transform: scale(1);*/
        opacity: 0;
    }
    to {
        /*transform: scale(0);*/
        transform: rotate(1turn);
        opacity: 1;
    }
}

@-webkit-keyframes disappear {
    from {
        /*-webkit-transform: scale(1);*/
        opacity: 0;
    }
    to {
        /*-webkit-transform: scale(0);*/
        -webkit-transform: rotate(1turn);
        opacity: 1;
    }
}