.toc-card {
    background-color: #F5E8E2;
    border-radius: 12px;
    margin: 25px 0;
    overflow: hidden;
}

.toc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
    cursor: pointer;
    list-style: none;
    border-bottom: 1px solid #d8d2c5;
}


.toc-title {
    font-family: Calibri;
    font-size: 28px;
    font-weight: bold;
}

.toc-header::-webkit-details-marker {
    display: none;
}

.toc-arrow::after {
    content: "▼";
    font-size: 14px;
    transition: transform 0.25s ease;
}

.toc-card[open] .toc-arrow::after {
    transform: rotate(180deg);
}

.toc-card ul {
    padding: 14px 30px 18px 40px;
    margin: 0;
    font-family: Calibri;
    font-size: 18px;
}

.toc-card li {
    margin: 7px 0;
}

.toc-card a {
    color: #000;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.toc-card a:hover {
    opacity: 0.7;
}