/* 动画效果 */
@keyframes fadeInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-1500px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
    
}
@keyframes fadeInFromRight {
    from {
        opacity: 0;
        transform: translateX(1500px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 复合动画 */
@keyframes fadeInAndPause {
    0% {
        opacity: 0;
        transform: translateX(-1500px);
    }
    20% {
        opacity: 1;
        transform: translateX(0);
    }
    80% {
        opacity: 1;
        transform: translateX(0);
    }
    100% {
        opacity: 1;
        transform: translateX(1500px);
    }
}
/* .counter-column:nth-child(1) {
    animation: fadeInAndPause 6.3s ease infinite;
}
.counter-column:nth-child(2) {
    animation: fadeInAndPause 6.3s ease infinite;
}
.counter-column:nth-child(3) {
    animation: fadeInAndPause 6.3s ease infinite;
}
.counter-column:nth-child(4) {
    animation: fadeInAndPause 6.3s ease infinite;
} */