/* Article-local mathematical disclosures; native details owns interaction. */
.main-content .quad-note {
    margin: 1.8rem 0;
    padding: 0;
    border-block: 1px solid var(--blog-color-line, #dce5ee);
    min-width: 0;
}

.main-content .quad-note > summary {
    padding: 1rem 0;
    color: var(--blog-color-heading, #1f2a34);
    font-size: 0.94rem;
    font-weight: 600;
    line-height: 1.65;
    cursor: pointer;
}

.main-content .quad-note > summary::marker {
    color: var(--blog-color-accent-strong, #0d6f5a);
}

.main-content .quad-note > summary:focus-visible {
    outline: 2px solid var(--blog-color-accent-strong, #0d6f5a);
    outline-offset: 3px;
}

.main-content .quad-note[open] {
    padding-bottom: 1rem;
}

.main-content .quad-note[open] > summary {
    border-bottom: 1px solid var(--blog-color-line-soft, #e1e8ed);
    margin-bottom: 1.1rem;
}

.main-content .quad-note .katex-display {
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding-block: 0.2rem;
}

.main-content .quad-note table {
    font-size: 0.88em;
}

.main-content .quad-remesh-video video {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #0b1016;
}