.body-main{
          background: linear-gradient(135deg, #667eea 0%, #06b3b3 100%);
               
}

p,
label {
  font:
    1rem "Fira Sans",
    sans-serif;
}

input {
  margin: 0.4rem;
}

.contact-toggle {
    margin-bottom: 25px;
}

.main-div{
    justify-content: center;
    align-items: center ;
    display: grid;
}

.detalization-class{
    
    justify-content: center;
}

.human-main-parameters{
    display: grid;
    justify-content: center;

}

.model-container {
    display: none;
}

.platformBlock {
    display: none;
}

/* Для визуального отличия недоступных опций */
.checkbox-group.disabled,
input:disabled + label,
button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.checkbox-group.disabled:hover,
input:disabled:hover + label,
button:disabled:hover {
    opacity: 0.6;
    transform: none;
}