.virtualKeyboard {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin: 5px;
    padding: 10px;
    border: 1px solid #ddd;
    background: white;
}

.virtualKeyboard-header {
    grid-column: 1 / -1; /* 占满整行 */
    padding: 10px;
    background: #ffd39a;
    font-weight: bold;
    text-align: center;
}

.virtualKeyboard button {
    width: 40px;
    height: 40px;
    font-size: 18px;
    cursor: pointer;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.virtualKeyboard button:hover {
    background: #f0f0f0;
    border-color: #1890ff;
}