纯CSS实现3D文字出场动画，HTML/Vue代码在线实时编辑、预览

            
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            $bright : #AFA695;
$gold : #968872;
$dark : #746853;

$duration : 6s;

body, html {
    width: 100%;
    height: 100%;
    display: flex;
    background: #000;
    overflow: hidden;
}

div {
    margin: auto;
    perspective: 2000px;
    transform-style: preserve-3d;
    font: 10vw Righteous;
    animation: fade $duration infinite;
}

span {
    position: relative;
    display: inline-block;
    min-width: .4em;
    text-align: center;
    transform-style: preserve-3d;
    transform:  rotateY(25deg);
    animation: rotate $duration infinite ease-in;
    color: black;
    
    &:after, &:before {
        display: block;
        position: absolute;
        top: 0;
        left: 0;
        content: attr(data-word);
        color: $gold;
        z-index: -1;
        animation: shadow $duration infinite;
    }
    
    &:before {
        transform: translateZ(-14px);
    }
    &:after {
        transform: translateZ(-7px);
    }
}

@keyframes fade {
    from {
        transform: scale(1.2);
    }
    25% { opacity: 1; }
    100% {
        transform: scale(1);
    }
}

@keyframes rotate {
    from {
        transform: rotateY(38deg);
    }
    50%, 100% {
        color: $dark;
        transform: rotateY(0deg);
    }
    100% {
        color: $gold;
    }
}

@keyframes shadow {
    from {
        color: shade($gold, 50%);
    }
    25% { 
        color: $bright;
    }
    50%, 100% {
        color: tint($gold, 100%);
    }
}