.ceiling_part{
    display: block;
    width: 100%;
    height: auto;
    position: relative;
    cursor: pointer;
}
.ceiling_bg{
    width: 100%;
    height: auto;
}
.ceiling_close{
    width: 22px;
    height: 22px;
    position: absolute;
    top:8px;
    right: 16px;
    cursor: pointer;
}