.toc-accordion-header {
    display: flex;
    align-items: center;
    width: 100%;
    background: #f7f7f7;
    color: #222;
    padding: 10px 16px;
    font-size: 1.1em;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    text-align: left;
    margin-bottom: 0;
    transition: background 0.2s;
    gap: 8px;
}
.toc-accordion-header[aria-expanded="true"] {
    background: #e2e2e2;
}
.toc-arrow {
    font-size: 1.2em;
    display: inline-block;
    width: 1.5em;
    text-align: center;
    transition: transform 0.2s;
}
.toc-title-text {
    flex: 1;
}
#rank-math-toc nav {
    margin-top: 0;
    border-top: none;
}