/* 定义拖尾元素的样式 */
.trail {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: #ff8400;
    border-radius: 100%;
    pointer-events: none;
    animation: fadeOut 1s ease-out forwards;
}

/* 定义淡入淡出的动画效果 */
@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
        transform: scale(0);
    }
}