body {
    display: flex;
    width: 100vw;
    height: 100vh;
    flex-direction: column;
}

#score-area{ 
display: flex;
flex-direction: row;
justify-content: center;
align-items: center;
gap:2rem
}

#game-area{
    width: 100%;
    display: flex;
    flex-direction: column;
    /* align-items: center; */
    width: 100vw;
    height: 100vh;
}


regular-card {
    width: 7dvw;
    /* 以下样式可以从 JS 移到这里，性能更好 */
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 5px;
    font-size: 1.2rem;
    color: white;
    box-sizing: border-box; /* 确保 padding/border 包含在尺寸内 */
    cursor: pointer;
    transition: transform 0.2s; /* 添加一点交互效果 */
}

.lane{
    display: flex;
    flex-direction: row;
    border-radius: 10px;
    border: 2px solid black;
    gap:.1rem;
    margin: 2px;
    padding: .6rem;
    
}

#button-area{
    margin-top: 3dvh;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
}

button{
    background-color: transparent;
    border: 2px solid black;
    border-radius: 10px;
    padding: 1rem;
}