.nsr-article-hero {
    position: relative;
}

.nsr-article-hero::after {
    position: absolute;
    right: var(--nsr-line-bleed);
    bottom: 0;
    left: var(--nsr-line-bleed);
    z-index: 2;
    height: 1px;
    background: var(--nsr-border);
    content: '';
}

.nsr-article-hero__container {
    padding: 32px var(--nsr-page-gutter);
}

.nsr-article-hero__breadcrumbs {
    min-width: 0;
    margin-bottom: 16px;
}

.nsr-article-hero__breadcrumbs a {
    flex-shrink: 0;
    white-space: nowrap;
}

.nsr-article-hero__breadcrumbs .nsr-hero__breadcrumb-current {
    min-width: 0;
}

.nsr-article-hero__layout {
    row-gap: 32px;
}

.nsr-article-hero__cover-column {
    display: flex;
    align-items: flex-end;
}

.nsr-article-hero__cover {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}

.nsr-article-hero__content-column {
    display: flex;
    min-width: 0;
    flex-direction: column;
    justify-content: flex-end;
    padding: 0;
}

.nsr-article-hero__title {
    margin: 0;
    color: var(--nsr-text);
    font-size: var(--nsr-font-size-2xl);
    font-weight: var(--nsr-font-weight-strong);
    line-height: var(--nsr-line-height-lg);
}

.nsr-article-hero__subtitle {
    margin-top: 16px;
    color: #858585;
    font-size: var(--nsr-font-size-xl);
    line-height: var(--nsr-line-height-md);
}

@media (min-width: 1400px) {
    .nsr-article-hero__title {
        font-size: var(--nsr-font-size-3xl);
        line-height: var(--nsr-line-height-lg);
    }
}

@media (max-width: 991.98px) {
    .nsr-article-hero__breadcrumbs {
        margin-bottom: 32px;
    }

    .nsr-article-hero__title {
        font-size: var(--nsr-font-size-xl);
        line-height: var(--nsr-line-height-md);
    }

    .nsr-article-hero__subtitle {
        font-size: var(--nsr-font-size-base);
        line-height: var(--nsr-line-height-sm);
    }
}

.nsr-article-page {
    padding: var(--nsr-section-padding-y) var(--nsr-page-gutter);
    color: var(--nsr-text);
}

.nsr-article-detail__sidebar {
    padding-right: 28px;
    border-right: 1px solid var(--nsr-border);
}

.nsr-article-detail__main {
    min-width: 0;
    color: var(--nsr-secondary-500);
}

.nsr-article-meta {
    position: relative;
    padding: 32px 0;
    color: var(--nsr-secondary-300);
    font-size: var(--nsr-font-size-base);
    line-height: var(--nsr-line-height-sm);
}

.nsr-article-meta::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 1px;
    background: var(--nsr-border);
    content: '';
}

.nsr-article-meta:first-child {
    padding-top: 32px;
}

.nsr-article-meta--categories {
    padding-bottom: 0;
}

.nsr-article-meta--categories::after {
    display: none;
}

.nsr-article-meta--keywords {
    padding-top: 16px;
}

.nsr-article-meta p:last-child {
    margin-bottom: 0;
}

.nsr-article-tags {
    margin: 0;
    padding: 0;
    list-style: none;
}

.nsr-article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.nsr-article-tags a {
    display: inline-flex;
    min-height: 30px;
    align-items: center;
    gap: 4px;
    padding: .3rem .65rem;
    background: #e9f3fb;
    color: var(--nsr-blue);
    font-size: .75rem;
    font-weight: var(--nsr-font-weight-medium);
    line-height: 1.1;
    text-decoration: none;
    text-transform: uppercase;
    transition: background-color .2s;
}

.nsr-article-tags__icon {
    display: block;
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    background-color: currentColor;
    mask-image: var(--nsr-category-icon);
    mask-position: center;
    mask-repeat: no-repeat;
    mask-size: contain;
    -webkit-mask-image: var(--nsr-category-icon);
    -webkit-mask-position: center;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-size: contain;
}

.nsr-article-tags a:hover {
    background: #AECEEA;
}

.nsr-article-tags a:focus-visible {
    background: #85B6E0;
    outline: none;
}

.nsr-article-authors {
    font-size: inherit;
    line-height: calc(1em + 8px);
}

.nsr-article-meta--keywords,
.nsr-article-meta--authors {
    color: var(--nsr-secondary-300);
}

.nsr-article-author__name {
    font-weight: var(--nsr-font-weight-regular);
}

.nsr-article-author sup {
    margin-left: 2px;
    color: var(--nsr-secondary-500);
    font-size: .72em;
    font-weight: var(--nsr-font-weight-semibold);
}

.nsr-article-author__email {
    margin-left: 3px;
    color: var(--nsr-blue);
    font-weight: var(--nsr-font-weight-bold);
    text-decoration: none;
}

.nsr-article-affiliations {
    margin-top: 16px;
    color: var(--nsr-secondary-500);
    font-size: var(--nsr-font-size-xs);
    line-height: 16px;
}

.nsr-article-affiliation + .nsr-article-affiliation {
    margin-top: 4px;
}

.nsr-article-affiliation sup {
    margin-right: 2px;
    color: var(--nsr-secondary-500);
    font-weight: var(--nsr-font-weight-semibold);
}

.nsr-article-meta__expand {
    margin-top: 10px;
    padding: 0;
    color: var(--nsr-secondary-500);
    font-size: var(--nsr-font-size-base);
    font-weight: var(--nsr-font-weight-semibold);
    line-height: var(--nsr-line-height-sm);
    text-decoration: none;
    transition: color .2s;
}

.nsr-article-meta__expand:hover,
.nsr-article-meta__expand:focus {
    color: var(--nsr-primary-400);
    text-decoration: underline;
}

.nsr-article-meta-modal .modal-content {
    position: relative;
    border: 0;
    border-radius: 0;
}

.nsr-article-meta-modal .modal-body {
    padding: 32px;
}

.nsr-article-meta-modal__close {
    position: absolute;
    top: 24px;
    right: 24px;
    z-index: 1;
}

.nsr-article-meta-modal__section + .nsr-article-meta-modal__section {
    margin-top: 56px;
    padding-top: 24px;
    border-top: 1px solid #d3d3d3;
}

.nsr-article-meta-modal__title {
    margin: 0 0 24px;
    color: #444;
    font-size: var(--nsr-font-size-lg);
    font-weight: var(--nsr-font-weight-extra-bold);
    line-height: 1.1;
    text-transform: uppercase;
}

.nsr-article-meta-modal__authors {
    font-size: var(--nsr-font-size-base);
    line-height: 1.7;
}

.nsr-article-meta-modal .nsr-article-author__email {
    color: var(--nsr-blue);
}

.nsr-article-meta-modal__affiliations {
    color: #777;
    font-size: var(--nsr-font-size-base);
    line-height: 1.6;
}

.nsr-article-meta-modal__affiliations .nsr-article-affiliation + .nsr-article-affiliation {
    margin-top: 8px;
}

@media (max-width: 767.98px) {
    .nsr-article-meta-modal .modal-body {
        padding: 24px 20px;
    }

    .nsr-article-meta-modal__close {
        top: 16px;
        right: 16px;
    }

    .nsr-article-meta-modal__section + .nsr-article-meta-modal__section {
        margin-top: 40px;
        padding-top: 20px;
    }
}

.nsr-article-toolbar {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
}

.nsr-article-galleys {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(192px, 1fr));
    gap: 8px;
}

.nsr-article-galleys .obj_galley_link,
.nsr-article-galleys .obj_galley_link_supplementary,
.nsr-article-galleys > a {
    display: inline-flex;
    height: 40px;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-width: 0;
    padding: 0 16px;
    border: 1px solid var(--nsr-blue);
    background: #fcfcfc;
    color: var(--nsr-blue);
    font-size: var(--nsr-font-size-base);
    font-weight: var(--nsr-font-weight-regular);
    line-height: 1;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    border-radius: 0;
    box-shadow: none;
    transition: background-color .2s, border-color .2s, color .2s;
}

.nsr-article-galleys .btn,
.nsr-article-galleys .btn-primary {
    width: 100%;
    border-radius: 0;
    box-shadow: none;
    transition: background-color .2s, border-color .2s, color .2s;
}

.nsr-article-galleys .file,
.nsr-article-galleys .obj_galley_link--html,
.nsr-article-galleys .btn-primary.file {
    background: var(--nsr-blue);
    color: #fff;
}

.nsr-article-galleys .obj_galley_link:hover,
.nsr-article-galleys .obj_galley_link:focus,
.nsr-article-galleys .obj_galley_link_supplementary:hover,
.nsr-article-galleys .obj_galley_link_supplementary:focus,
.nsr-article-galleys > a:hover,
.nsr-article-galleys > a:focus,
.nsr-article-galleys .btn:hover,
.nsr-article-galleys .btn:focus,
.nsr-article-galleys .btn-primary:hover,
.nsr-article-galleys .btn-primary:focus {
    background: var(--nsr-blue) !important;
    border-color: var(--nsr-blue) !important;
    color: #fff !important;
    box-shadow: none !important;
}

.nsr-article-galleys .file:hover,
.nsr-article-galleys .file:focus,
.nsr-article-galleys .obj_galley_link--html:hover,
.nsr-article-galleys .obj_galley_link--html:focus,
.nsr-article-galleys .btn-primary.file:hover,
.nsr-article-galleys .btn-primary.file:focus {
    background: #fff !important;
    border-color: var(--nsr-blue) !important;
    color: var(--nsr-blue) !important;
    box-shadow: none !important;
}

.nsr-article-stats {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    align-self: flex-end;
    color: #7f7f7f;
    font-size: var(--nsr-font-size-base);
    line-height: 1;
}

.nsr-article-stats__item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.nsr-article-stats__item svg {
    width: 24px;
    height: 24px;
    flex: 0 0 24px;
}

.nsr-article-meta .nsr-article-tags a {
    color: var(--nsr-blue);
}

.nsr-article-doi {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.nsr-article-meta--publication {
    color: var(--nsr-secondary-500);
}

.nsr-article-doi p {
    margin-bottom: 0;
}

.nsr-article-doi__crossref {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    cursor: pointer;
}

.nsr-article-doi__crossref img {
    display: block;
    width: 32px;
    height: auto;
}

.nsr-article-doi__crossref span {
    display: none;
}

.nsr-article-citation-output {
    color: var(--nsr-secondary-500);
    font-size: var(--nsr-font-size-base);
    line-height: var(--nsr-line-height-sm);
}

.nsr-article-citation-heading {
    margin: 0 0 16px;
    color: var(--nsr-secondary-300);
    font-size: var(--nsr-font-size-base);
    font-weight: var(--nsr-font-weight-medium);
    line-height: var(--nsr-line-height-sm);
}

.nsr-article-citation-output > :last-child {
    margin-bottom: 0;
}

.nsr-article-citation-toggle {
    width: 100%;
    margin-top: 20px;
    padding: 10px 16px;
    border: 1px solid var(--nsr-blue);
    background: #fff;
    color: var(--nsr-blue);
    font-size: var(--nsr-font-size-base);
    font-weight: var(--nsr-font-weight-regular);
    line-height: var(--nsr-line-height-sm);
    text-align: center;
    text-transform: uppercase;
    border-radius: 0;
    transition: background-color .2s, color .2s;
}

.nsr-article-citation-toggle:hover,
.nsr-article-citation-toggle:focus-visible,
.nsr-article-citation-toggle[aria-expanded="true"] {
    background: var(--nsr-blue);
    color: #fff;
}

.nsr-article-citation-formats {
    display: none;
    margin-top: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--nsr-border);
}

.nsr-article-citation-formats[aria-hidden="false"] {
    display: block;
}

.nsr-article-citation-formats__list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.nsr-article-citation-formats__list li + li {
    margin-top: 8px;
}

.nsr-article-citation-formats__list a {
    color: var(--nsr-blue);
    font-size: var(--nsr-font-size-base);
    line-height: var(--nsr-line-height-sm);
    text-decoration: none;
}

.nsr-article-citation-formats__list a:hover,
.nsr-article-citation-formats__list a:focus-visible {
    text-decoration: underline;
}

.nsr-article-citation-formats__downloads-title {
    margin: 16px 0 10px;
    font-size: var(--nsr-font-size-base);
    font-weight: var(--nsr-font-weight-semibold);
    line-height: var(--nsr-line-height-sm);
    text-transform: uppercase;
}

.nsr-article-section {
    padding: 36px 16px;
    border-bottom: 1px solid var(--nsr-border);
}

.nsr-article-section:first-child {
    padding-top: 20px;
}

.nsr-article-section h2 {
    margin: 0 0 24px;
    color: var(--nsr-text);
    font-size: clamp(24px, 2.2vw, 34px);
    font-weight: var(--nsr-font-weight-medium);
    line-height: 1.15;
}

.nsr-article-section__content {
    color: var(--nsr-secondary-500);
    font-size: var(--nsr-font-size-base);
    line-height: var(--nsr-line-height-sm);
}

.nsr-article-section__content > :last-child {
    margin-bottom: 0;
}

.nsr-article-section--abstract {
    margin-bottom: 8px;
    padding: 28px 16px;
    border-bottom: 0;
    background: #f5f5f5;
}

.nsr-article-section--references .nsr-article-section__content {
    overflow-wrap: anywhere;
}

.nsr-article-section--references p {
    margin-bottom: 8px;
}

.nsr-article-references__more:not(.show) {
    display: none !important;
}

.nsr-article-references__more.show {
    display: block !important;
}

.nsr-article-references__toggle {
    width: 100%;
    margin-top: 24px;
    padding: 8px 16px;
    border: 1px solid var(--nsr-blue);
    background: transparent;
    color: var(--nsr-blue);
    font-size: var(--nsr-font-size-base);
    font-weight: var(--nsr-font-weight-semibold);
    line-height: 1.2;
    text-align: center;
    text-transform: uppercase;
    transition: background-color .2s, color .2s;
}

.nsr-article-references__toggle:hover,
.nsr-article-references__toggle:focus-visible {
    background: var(--nsr-blue);
    color: #fff;
}

.nsr-article-references__hide,
.nsr-article-references__toggle:not(.collapsed) .nsr-article-references__show {
    display: none;
}

.nsr-article-references__toggle:not(.collapsed) .nsr-article-references__hide {
    display: inline;
}

.nsr-article-detail__footer-hook {
    margin-top: 48px;
}

.nsr-article-detail .article-details-how-to-cite {
    margin: 0;
}

.nsr-article-detail .article-details-heading {
    margin: 0 0 12px;
    font-size: var(--nsr-font-size-base);
}

.nsr-article-detail .article-details-how-to-cite-citation {
    font-size: var(--nsr-font-size-base);
    line-height: 1.4;
}

@media (max-width: 991.98px) {
    .nsr-article-hero__container,
    .nsr-article-page {
        padding-right: var(--nsr-page-gutter);
        padding-left: var(--nsr-page-gutter);
    }

    .nsr-article-detail__sidebar {
        display: flex;
        flex-wrap: wrap;
        padding-right: 0;
        border-right: 0;
        border-bottom: 1px solid var(--nsr-border);
    }

    .nsr-article-meta,
    .nsr-article-meta:first-child {
        padding: 32px 0;
    }

    .nsr-article-meta--categories {
        padding-bottom: 0;
    }

    .nsr-article-meta--categories::after {
        display: none;
    }

    .nsr-article-meta--keywords {
        padding-top: 16px;
    }

    .nsr-article-meta--galleys {
        width: 100%;
        order: 1;
        padding-top: 0;
    }

    .nsr-article-meta--categories,
    .nsr-article-meta--keywords {
        width: 100%;
        order: 2;
    }

    .nsr-article-meta--authors {
        width: 100%;
        order: 3;
    }

    .nsr-article-meta-modal {
        order: 3;
    }

    .nsr-article-meta--publication {
        width: 100%;
        order: 4;
    }

    .nsr-article-meta--citation {
        width: 100%;
        order: 5;
    }

    .nsr-article-toolbar {
        flex-direction: row;
        align-items: center;
    }

    .nsr-article-galleys {
        flex: 1 1 auto;
        order: 1;
    }

    .nsr-article-detail__main {
        padding-top: 24px;
    }

    .nsr-article-stats {
        width: auto;
        flex: 0 0 auto;
        justify-content: flex-end;
        align-self: center;
        order: 2;
        margin-left: auto;
    }

    .nsr-article-doi__crossref {
        gap: 8px;
        padding: 8px 12px;
        border: 1px solid var(--nsr-primary-400);
        background: transparent;
        color: var(--nsr-primary-400);
        font-size: var(--nsr-font-size-base);
        line-height: var(--nsr-line-height-sm);
        text-decoration: none;
        transition: background-color .2s, color .2s;
    }

    .nsr-article-doi__crossref span {
        display: inline;
    }

    .nsr-article-doi__crossref:hover,
    .nsr-article-doi__crossref:focus-visible {
        background: var(--nsr-primary-400);
        color: #fff;
    }
}

@media (max-width: 767.98px) {
    .nsr-article-hero__container {
        padding-top: 32px;
        padding-bottom: 32px;
    }

    .nsr-article-doi__crossref {
        gap: 0;
        padding: 0;
        border: 0;
        background: transparent;
        color: inherit;
    }

    .nsr-article-doi__crossref span {
        display: none;
    }

    .nsr-article-doi__crossref:hover,
    .nsr-article-doi__crossref:focus-visible {
        background: transparent;
        color: inherit;
    }

}

@media (max-width: 575.98px) {
    .nsr-article-hero__container {
        padding-right: var(--nsr-page-gutter);
        padding-left: var(--nsr-page-gutter);
    }

    .nsr-article-meta,
    .nsr-article-section {
        padding-right: 0;
        padding-left: 0;
    }

    .nsr-article-section--abstract {
        padding: 24px 16px;
    }

    .nsr-article-doi {
        align-items: flex-start;
    }
}