.cs-building-knowledge {
    min-width: 0;
    font-family: Inter, sans-serif;
    border: 0;
    padding: 0;
}
.cs-building-knowledge[hidden] { display: none !important; }
.cs-building-knowledge legend {
    float: none;
    width: auto;
    font-size: .9rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.cs-building-knowledge p {
    font-size: .85rem;
    font-style: italic;
    line-height: 1.55;
    margin-bottom: 14px;
}
.cs-building-knowledge-options {
    border: 1px solid #e1e3e6;
    border-radius: 12px;
    padding: 12px 14px;
    display: grid;
    gap: 12px;
}
.cs-building-knowledge-options label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 0;
    font-size: .85rem;
    line-height: 1.5;
    cursor: pointer;
}
.cs-building-knowledge-options input {
    appearance: none;
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    margin: 2px 0 0;
    border: 1.5px solid #cbd0d5;
    border-radius: 50%;
    background: #fff;
}
.cs-building-knowledge-options input:checked {
    border-color: #2c3e50;
    background: #2c3e50;
    box-shadow: inset 0 0 0 4px #fff;
}
.cs-building-knowledge-options input:focus-visible {
    outline: 2px solid #2c3e50;
    outline-offset: 3px;
}