body.abstract-page .abstract-section {
    max-width: 1200px;
    margin: 0 auto 32px;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    border: none;
    padding: 0 24px 32px;
}

@media (min-width: 769px) {
    body.abstract-page .abstract-section {
        display: block;
        position: relative;
    }

    body.abstract-page .abstract-section::before {
        content: none;
    }
}

.abstract-header {
    margin-bottom: 24px;
    text-align: center;
}

.abstract-title {
    font-size: 2rem;
    line-height: 1.35;
    color: var(--primary-color);
}

.abstract-toc {
    background: var(--card-bg);
    border-radius: 18px;
    padding: 22px 26px 24px;
    margin: 24px auto 32px;
    max-width: 900px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
    position: relative;
    overflow: hidden;
}

.abstract-toc::before {
    content: "";
    position: absolute;
    inset: -40% -60% auto;
    background:
        radial-gradient(circle at top left,
            rgba(94, 158, 255, 0.22),
            transparent 60%);
    opacity: 0.9;
    pointer-events: none;
}

.abstract-toc > * {
    position: relative;
    z-index: 1;
}

.abstract-toc-title {
    font-size: 1.25rem;
    margin-bottom: 14px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    position: relative;
    padding-bottom: 4px;
}

.abstract-toc-title::after {
    content: "";
    display: block;
    width: 74px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    margin: 8px auto 0;
}

.abstract-toc-list {
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 1.08rem;
    line-height: 1.8;
}

.abstract-toc-list li {
    position: relative;
    padding: 4px 0;
    border-radius: 12px;
    transition: background-color 0.18s ease, transform 0.18s ease;
}

.abstract-toc-list li::before {
    content: none;
}

.abstract-toc-list li:hover {
    background: rgba(148, 163, 184, 0.16);
    transform: translateX(2px);
}

.abstract-toc-list a {
    text-decoration: none;
    color: var(--primary-color);
    border-bottom: none;
    transition: color 0.2s ease;
}

.abstract-toc-list a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.abstract-body {
    max-width: none;
    margin: 0 auto;
    line-height: 1.9;
    font-size: 1.05rem;

    display: flex;
    flex-direction: column;
    gap: 24px;
}

.abstract-block {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 24px 26px 26px;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
    border: 1px solid rgba(148, 163, 184, 0.18);
}

.abstract-block + .abstract-block {
    margin-top: 0;
}

.abstract-block h3 {
    font-size: 1.6rem;
    margin-bottom: 0.9em;
    line-height: 1.4;
    color: var(--secondary-color);
    font-weight: 600;
    text-align: center;
    position: relative;
    padding-bottom: 0.4em;
    letter-spacing: 0.02em;
}

.abstract-block h3::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 56px;
    height: 3px;
    transform: translateX(-50%);
    border-radius: 999px;
    background: var(--secondary-color);
}

.abstract-block h4 {
    font-size: 1.15rem;
    margin-top: 1.6em;
    margin-bottom: 0.6em;
    color: var(--secondary-color);
    font-weight: 600;
    text-indent: 1.15em;
}

.abstract-block p {
    margin-bottom: 1.15em;
    text-align: justify;
    text-indent: 1.25em;
}

.abstract-block h3 + p,
.abstract-block h4 + p {
    text-indent: 1.25em;
}

.abstract-block li p {
    margin: 0;
    text-indent: 0;
}

.abstract-block ol,
.abstract-block ul {
    margin: 0 0 1.2em 0;
    padding-left: 0;
}

.abstract-block li {
    position: relative;
    padding-left: 2.1em;
}

.abstract-block li + li {
    margin-top: 0.3em;
}

.abstract-block ol {
    list-style: none;
    counter-reset: abstract-ol-counter;
}

.abstract-block ol > li::before {
    counter-increment: abstract-ol-counter;
    content: counter(abstract-ol-counter) ") ";
    position: absolute;
    left: 0;
    top: 0;
}

.abstract-block ul {
    list-style: none;
}

.abstract-block ul > li::before {
    content: "—";
    position: absolute;
    left: 0.4em;
    top: 0;
}

.abstract-figure,
.abstract-block figure {
    margin: 2em auto;
    padding: 12px 14px 10px;
    max-width: 100%;
    background: var(--card-bg);
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.6);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
    text-align: center;
}

.dark-theme .abstract-figure,
.dark-theme .abstract-block figure {
    border-color: rgba(148, 163, 184, 0.9);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.65);
}

.abstract-figure img,
.abstract-block figure img,
.abstract-block img.abstract-figure-img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 auto 8px;
    border-radius: 10px;
    background: #ffffff;
}

.dark-theme .abstract-figure img,
.dark-theme .abstract-block figure img {
    background: #020617;
}

.abstract-figure figcaption,
.abstract-block figure figcaption,
.abstract-figure-caption {
    font-size: 0.98rem;
    font-weight: 600;
    font-style: normal;
    line-height: 1.5;
    text-align: center;
    text-indent: 0;
    margin-top: 0.35em;
}

.abstract-figure figcaption .figure-source,
.abstract-block figure figcaption .figure-source,
.figure-source {
    display: block;
    margin-top: 0.3em;
    font-size: 0.85rem;
    font-weight: 400;
    font-style: italic;
}

.abstract-table-wrapper {
    margin: 2em 0;
    overflow-x: auto;
}

body.abstract-page .abstract-block table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.95em;
}

body.abstract-page .abstract-block table,
body.abstract-page .abstract-block th,
body.abstract-page .abstract-block td {
    border: 1px solid #000000;
}

body.abstract-page .abstract-block th,
body.abstract-page .abstract-block td {
    padding: 8px 10px;
    text-align: left;
    vertical-align: top;
}

body.abstract-page .abstract-block th {
    background: #f0f0f0;
}

body.abstract-page .abstract-block td p,
body.abstract-page .abstract-block th p {
    margin: 0;
    text-indent: 0;
}

.abstract-table-caption {
    text-align: center;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.4em;
    text-indent: 0;
}

.ref-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 0.95em;
}

.ref-link:first-of-type {
    margin-left: 0.1em;
}

.ref-link:hover {
    text-decoration: underline;
}

.references-list {
    margin: 0;
    padding-left: 1.4rem;
    font-size: 0.95rem;
    line-height: 1.75;
}

.references-list li + li {
    margin-top: 0.6em;
}

.references-list a {
    color: var(--secondary-color);
    text-decoration: none;
    border-bottom: 1px dashed var(--secondary-color);
}

.references-list a:hover {
    border-bottom-style: solid;
}

#references.abstract-block {
    background: var(--card-bg);
    border-style: solid;
    border-width: 1px;
    border-color: rgba(148, 163, 184, 0.9);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
}

body:not(.dark-theme) #references.abstract-block {
    background: linear-gradient(145deg, #f8fafc, #e5edff);
}

.dark-theme #references.abstract-block {
    background: radial-gradient(circle at top left, #1f2937 0%, #020617 65%);
}

#references.abstract-block h3 {
    margin-bottom: 0.8em;
    color: var(--primary-color);
}

#references.abstract-block h3::after {
    width: 42px;
    background: rgba(148, 163, 184, 0.9);
}

#references .references-list {
    max-width: 900px;
    margin: 0 auto;
    padding-left: 1.4rem;
    font-size: 1.04rem;
    line-height: 1.85;
}

#references .references-list li + li {
    margin-top: 0.9em;
}

@media (max-width: 768px) {
    body.abstract-page .abstract-section {
        padding: 22px 16px 26px;
    }

    .abstract-title {
        font-size: 1.6rem;
    }

    .abstract-body {
        font-size: 0.98rem;
    }

    .abstract-toc {
        padding: 18px 16px 18px;
        margin: 18px 0 24px;
    }

    .abstract-toc-title {
        font-size: 1.15rem;
        letter-spacing: 0.12em;
    }

    .abstract-toc-list {
        font-size: 1.02rem;
    }

    .abstract-block {
        padding: 18px 14px 20px;
        box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
    }
}

@media (max-width: 480px) {
    .abstract-body {
        font-size: 0.95rem;
    }

    .abstract-block h3 {
        font-size: 1.25rem;
    }
}

html {
    scroll-behavior: smooth;
}

html.js-scroll-anim body.abstract-page .abstract-section {
    opacity: 1;
    transform: none;
}