.background {
    position: relative; 
    width: 100%;
    z-index: 0; 
}

.canteen {
    width: 40vw;  /* 设置为视口宽度 */
    height: 40vw; /* 保持宽高比 */
    position: relative;
}

.canteen img {
    position: absolute;
    width: 100%;
    height: 100%;
}


.table {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
}

.plate {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
}

.chef-hand {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.5s;
    z-index: 3;
}

.rice, .meat {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.5s;
    z-index: 3;
}

.rice-mirror, .meat-mirror {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scaleX(-1);
    opacity: 0;
    transition: opacity 0.5s;
    z-index: 3;
}

.chef {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1; 
}

button {
    display: block;
    margin: 20px auto;
    padding: 10px 20px;
    font-size: 18px;
    position: relative; 
    z-index: 10; 
}

.rice_bucket{
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1; 
}