/* 四叶草鼠标追随效果 */
.clover {
    position: fixed;
    width: 20px;
    height: 20px;
    background-image: url('https://cdn.jsdelivr.net/gh/Tokinx/Clover/Clover.svg');
    background-size: contain;
    background-repeat: no-repeat;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.7;
    transition: transform 0.3s ease-out, opacity 0.5s ease-out;
}

/* 不同大小的四叶草 */
.clover.small {
    width: 15px;
    height: 15px;
    opacity: 0.5;
}

.clover.medium {
    width: 20px;
    height: 20px;
    opacity: 0.7;
}

.clover.large {
    width: 25px;
    height: 25px;
    opacity: 0.9;
}