.thaitop-form .form-group {
    margin-bottom: 15px;
}

.thaitop-form .form-row {
    display: flex;
    gap: 20px;
    width: 100%;
    margin-bottom: 1.5rem;
}

.thaitop-form .form-col {
    box-sizing: border-box;
}

.thaitop-form .form-col.col-half {
    flex: 1 1 50%;
    min-width: 0;
}

.thaitop-form .form-col.col-full {
    flex: 0 0 100%;
    max-width: 100%;
}

.thaitop-form .form-col label {
    display: block;
    margin-bottom: 5px;
}

.thaitop-form .form-col input {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .thaitop-form .form-row {
        flex-direction: column;
    }
    .thaitop-form .form-col.col-half {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 15px;
    }
}