.jjfa{
    position: relative;
}
.tpisBox{
    display: none;
    position: absolute;
    top: 50px;
    z-index: 2;
    background: transparent;
    padding-top: 30px;
}
.tpisBox ul{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: #fff;
    border-radius: 5px;
}
.tpisBox ul li{
    width: 160px;
    cursor: pointer;
    padding: 10px;
    border-bottom: 1px solid #d9d9d9;
}
.tpisBox ul li:hover{
    background: #d9d9d9;
}