.concept-simple-section {
    border: 1px solid rgba(21, 50, 70, .12);
}

.concept-simple-core,
.concept-simple-finance {
    margin-top: 1.25rem;
}

.concept-simple-box-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.35rem;
}

.concept-simple-box {
    display: flex;
    flex-direction: column;
    gap: .45rem;
    padding: 1.1rem;
    border: 1px solid rgba(21, 50, 70, .13);
    border-radius: 18px;
    background: rgba(255, 255, 255, .82);
    box-shadow: 0 10px 26px rgba(31, 54, 70, .06);
}

.concept-simple-box > span {
    font-size: 1.02rem;
    font-weight: 800;
    color: #17384a;
}

.concept-simple-box > small {
    min-height: 2.6em;
    color: #647783;
    line-height: 1.35;
}

.concept-simple-box textarea {
    min-height: 12rem;
    resize: vertical;
}

.concept-simple-box-wide {
    grid-column: 1 / -1;
}

.concept-simple-finance {
    padding: 1.1rem;
    border-radius: 18px;
    background: rgba(246, 249, 250, .92);
    border: 1px solid rgba(21, 50, 70, .1);
}

.concept-simple-finance .concept-section-heading.compact {
    margin-bottom: 1rem;
}

.concept-simple-finance .concept-section-heading.compact > span {
    width: 2.2rem;
    height: 2.2rem;
    font-size: .82rem;
}

.concept-simple-finance .concept-section-heading.compact h3 {
    margin: 0;
}

.concept-section[hidden] {
    display: none !important;
}

@media (max-width: 820px) {
    .concept-simple-box-grid {
        grid-template-columns: 1fr;
    }

    .concept-simple-box-wide {
        grid-column: auto;
    }
}