.main_prddeldttm {
    margin: 15px 0;
    padding: 15px;
    background-color: #f8f9fa; /* 淺灰底色 */
    border: 1px solid #e9ecef; /* 淺灰邊框 */
    border-radius: 4px;
}

.prddeldttm_container {
    display: flex;
    flex-direction: column; /* 上下排列 */
    gap: 15px; /* 行間距 */
}

.prddeldttm_row {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.prddeldttm_row label {
    font-weight: bold;
    margin-bottom: 5px;
    display: block;
}

.prddeldttm_row .input-group {
    width: 100%;
    max-width: 300px; /* 限制寬度避免太長 */
}

.prddeldttm_row select {
    width: 100%;
    max-width: 300px;
    height: 34px;
    padding: 6px 12px;
    font-size: 14px;
    line-height: 1.42857143;
    color: #555;
    background-color: #fff;
    background-image: none;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.main_prddeldttm .dateerr, 
.main_prddeldttm .timeerr {
    display: none;
    color: #a94442;
    font-size: 12px;
    margin-top: 5px;
}

.bootstrap-datetimepicker-widget {
    width: 310px !important;
}