body {
    cursor: url('../images/cursor.png'), auto;
}

/* 鼠标样式 */
.cursor {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* cursor: url('my-cursor.png'), auto;*/
    pointer-events: none;
    z-index: 9999;
}

/* 全局爱心(overlay全局透明，穿透作用到下面的元素) */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* 爱心样式 */
#heart {
    position: absolute;
    width: 50px;
    height: 50px;
    margin-left: -25px;
    margin-top: -25px;
    background-image: url('../images/heart.png');
    background-size: cover;
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}