.obj_article_details {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
    background: white;
    border-radius: 20px;
}

body {
    background: #f3f3f1;
}

.page_article .page_title {
    font-size: 36px;
    line-height: 1.25;
    font-weight: 600;
    margin-bottom: 20px;
}

.obj_article_details .item {
    font-size: 18px;
    line-height: 1.8;
    color: #222;
}

.obj_article_details p {
    margin-bottom: 18px;
}

.obj_article_details .item.abstract {
    background: #f7f7f5;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.obj_article_details h2 {
    font-size: 24px;
    margin-top: 40px;
    margin-bottom: 10px;
}

.obj_article_details .item.references {
    font-size: 15px;
    color: #444;
}
/* === UPDATE 2 === */
.pkp_structure_head {
    background: #1f2a30;
}

.pkp_site_name a {
    color: white;
    font-weight: 600;
}

.pkp_navigation_primary a {
    color: rgba(255,255,255,0.85);
}
.obj_article_details .item.authors {
    background: #f7f7f5;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 25px;
}
.obj_article_details h1,
.page_article .page_title {
    letter-spacing: -0.5px;
}

/* Убираем жёлтую полосу */
.pkp_navigation_primary_wrapper {
    background: #1f2a30 !important;
}

/* Делаем меню белым */
.pkp_navigation_primary a {
    color: rgba(255,255,255,0.9) !important;
}

/* Лого / название */
.pkp_site_name a {
    color: white !important;
}

/* Общий фон */
body {
    background: #f3f3f1 !important;
}

/* Центрируем контент */
.pkp_structure_content {
    max-width: 1000px;
    margin: 0 auto;
}
/* === FIX LAYOUT + HEADER + DROPDOWNS === */

/* Общий фон шапки */
.pkp_structure_head,
.pkp_navigation_primary_wrapper,
.pkp_site_nav_menu {
    background: #1f2a30 !important;
}

/* Убираем жёлтые боковые вставки */
.pkp_site_name_wrapper,
.pkp_navigation_user_wrapper,
.pkp_brand_footer,
.pkp_structure_head::before,
.pkp_structure_head::after,
.pkp_navigation_primary_wrapper::before,
.pkp_navigation_primary_wrapper::after {
    background: #1f2a30 !important;
}

/* Название сайта */
.pkp_site_name a,
.pkp_site_name a:visited {
    color: #ffffff !important;
}

/* Главное меню */
.pkp_navigation_primary > li > a,
.pkp_navigation_primary > li > a:visited {
    color: rgba(255,255,255,0.92) !important;
}

/* Поиск и мелкие элементы в шапке */
.pkp_navigation_search_wrapper a,
.pkp_navigation_search_wrapper,
.pkp_navigation_user a {
    color: rgba(255,255,255,0.92) !important;
}

/* Выпадающее меню */
.pkp_nav_list ul,
.pkp_nav_list ul li,
.pkp_nav_list ul a {
    background: #26333a !important;
    color: #ffffff !important;
    border-color: rgba(255,255,255,0.08) !important;
}

/* Hover для выпадающего меню */
.pkp_nav_list ul a:hover,
.pkp_nav_list ul a:focus {
    background: #314048 !important;
    color: #ffffff !important;
}

/* Чтобы подменю не было белым с тенью "из другой темы" */
.pkp_nav_list ul {
    box-shadow: 0 8px 24px rgba(0,0,0,0.18) !important;
}

/* Основной контейнер страницы */
.pkp_structure_content {
    max-width: 1200px !important;
    margin: 0 auto !important;
}

/* Возвращаем нормальную двухколоночную раскладку */
.pkp_structure_main {
    width: 68% !important;
    float: left !important;
    padding-right: 40px !important;
    box-sizing: border-box !important;
}

.pkp_structure_sidebar {
    width: 32% !important;
    float: right !important;
    padding-left: 20px !important;
    box-sizing: border-box !important;
    margin-top: 0 !important;
}

/* Чтобы sidebar не падал вниз */
.pkp_structure_content::after {
    content: "";
    display: block;
    clear: both;
}

/* Кнопка submit и sidebar блоки */
.pkp_block,
.block_make_submission {
    background: transparent !important;
}

/* Чуть аккуратнее боковая колонка */
.pkp_structure_sidebar .pkp_block {
    margin-bottom: 28px !important;
}

/* Адаптивность */
@media (max-width: 1000px) {
    .pkp_structure_main,
    .pkp_structure_sidebar {
        width: 100% !important;
        float: none !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
}
/* Улучшение читаемости текста */
.obj_article_details .item {
    max-width: 720px;
}

.obj_article_details p {
    font-size: 18px;
    line-height: 1.85;
}
.obj_article_details .item.abstract {
    background: #f4f4f2;
    border-left: 4px solid #1f2a30;
    padding: 25px 28px;
    border-radius: 10px;
}
.obj_article_details .item.authors {
    background: #f7f7f5;
    padding: 22px;
    border-radius: 12px;
    margin-bottom: 25px;
    border: 1px solid #e5e5e5;
}
a {
    color: #1f2a30;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}
.pkp_structure_sidebar {
    font-size: 14px;
}

.pkp_structure_sidebar a {
    color: #2c3e50;
}
.obj_article_details h2 {
    font-weight: 600;
    border-bottom: 1px solid #e5e5e5;
    padding-bottom: 6px;
}
/* Главная страница — ритм текста */
.page_index_site .pkp_structure_main p {
    max-width: 720px;
    font-size: 18px;
    line-height: 1.85;
    margin-bottom: 16px;
}

/* Заголовок Home */
.page_index_site h1 {
    font-size: 32px;
    letter-spacing: -0.3px;
    margin-bottom: 14px;
}
/* Sidebar — категории */
.pkp_structure_sidebar .pkp_block h2 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #6b7280;
    margin-bottom: 10px;
}

.pkp_structure_sidebar ul li {
    margin-bottom: 6px;
}

.pkp_structure_sidebar a {
    color: #2f3b42;
}

.pkp_structure_sidebar a:hover {
    text-decoration: underline;
}
/* Кнопка отправки статьи */
.block_make_submission a {
    display: inline-block;
    background: #1f2a30;
    color: white !important;
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 14px;
    text-decoration: none;
}

.block_make_submission a:hover {
    background: #2e3b42;
}
/* Breadcrumb (Home / Archives ...) */
.pkp_structure_main .breadcrumbs {
    font-size: 13px;
    color: #6b7280;
}
/* =========================================
   ARTICLE PAGE — NATURE / ELSEVIER INSPIRED
   ========================================= */

/* Общая статья */
.page_article .obj_article_details {
    background: #fbfbfa !important;
    border: 1px solid #e7e5e4 !important;
    border-radius: 18px !important;
    padding: 0 !important;
    overflow: hidden !important;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03) !important;
}

/* Верхний блок статьи */
.page_article .obj_article_details > .main_entry {
    padding: 0 !important;
}

/* Заголовок статьи */
.page_article .page_title {
    font-size: 54px !important;
    line-height: 1.08 !important;
    letter-spacing: -1.2px !important;
    font-weight: 700 !important;
    max-width: 900px !important;
    margin: 0 !important;
    padding: 40px 44px 30px 44px !important;
    color: #1f2933 !important;
    background: #fbfbfa !important;
    border-bottom: 1px solid #ebe8e6 !important;
}

/* Хлебные крошки над статьёй */
.page_article .breadcrumbs {
    font-size: 13px !important;
    color: #7a7a7a !important;
    margin-bottom: 18px !important;
}

/* Блок авторов */
.page_article .obj_article_details .item.authors {
    background: #f5f4f2 !important;
    border-bottom: 1px solid #e8e5e2 !important;
    border-radius: 0 !important;
    margin: 0 !important;
    padding: 26px 44px !important;
}

/* Текст автора */
.page_article .obj_article_details .authors .name {
    font-size: 17px !important;
    font-weight: 700 !important;
    color: #1f2933 !important;
}

.page_article .obj_article_details .authors .affiliation,
.page_article .obj_article_details .authors .orcid,
.page_article .obj_article_details .authors .country {
    font-size: 14px !important;
    line-height: 1.7 !important;
    color: #5b6570 !important;
}

/* Keywords */
.page_article .obj_article_details .item.keywords,
.page_article .obj_article_details .item .keywords {
    padding: 26px 44px 8px 44px !important;
    background: #fbfbfa !important;
    font-size: 16px !important;
    line-height: 1.8 !important;
    color: #334155 !important;
}

/* Abstract */
.page_article .obj_article_details .item.abstract {
    margin: 18px 44px 30px 44px !important;
    padding: 26px 30px !important;
    background: #f3f4f2 !important;
    border-left: 4px solid #24323a !important;
    border-radius: 10px !important;
    border-top: 1px solid #ece9e6 !important;
    border-right: 1px solid #ece9e6 !important;
    border-bottom: 1px solid #ece9e6 !important;
    box-shadow: none !important;
}

.page_article .obj_article_details .item.abstract h2,
.page_article .obj_article_details .item.abstract .label {
    font-size: 14px !important;
    text-transform: uppercase !important;
    letter-spacing: 0.08em !important;
    color: #4b5563 !important;
    margin-bottom: 12px !important;
    border: 0 !important;
    padding: 0 !important;
}

.page_article .obj_article_details .item.abstract p {
    font-size: 19px !important;
    line-height: 1.9 !important;
    color: #24323a !important;
    max-width: 780px !important;
}

/* Основной текст статьи */
.page_article .obj_article_details .item {
    font-size: 18px !important;
    line-height: 1.9 !important;
    color: #26323b !important;
}

/* Параграфы статьи */
.page_article .obj_article_details p {
    max-width: 780px !important;
    margin-bottom: 18px !important;
}

/* Все основные текстовые секции */
.page_article .obj_article_details .item:not(.authors):not(.abstract) {
    padding-left: 44px !important;
    padding-right: 44px !important;
}

/* Заголовки секций */
.page_article .obj_article_details h2 {
    font-size: 28px !important;
    line-height: 1.25 !important;
    letter-spacing: -0.4px !important;
    font-weight: 700 !important;
    color: #1f2933 !important;
    margin-top: 42px !important;
    margin-bottom: 14px !important;
    padding-bottom: 8px !important;
    border-bottom: 1px solid #e6e3df !important;
}

/* Подзаголовки */
.page_article .obj_article_details h3 {
    font-size: 21px !important;
    line-height: 1.35 !important;
    font-weight: 700 !important;
    color: #27343d !important;
    margin-top: 30px !important;
    margin-bottom: 10px !important;
}

/* Таблицы и картинки */
.page_article .obj_article_details figure,
.page_article .obj_article_details .item table {
    margin-top: 24px !important;
    margin-bottom: 24px !important;
}

.page_article .obj_article_details figcaption,
.page_article .obj_article_details table caption {
    font-size: 14px !important;
    line-height: 1.7 !important;
    color: #66707a !important;
    margin-top: 10px !important;
}

/* References */
.page_article .obj_article_details .item.references,
.page_article .obj_article_details .item.citations {
    padding-top: 20px !important;
    padding-bottom: 36px !important;
}

.page_article .obj_article_details .item.references li,
.page_article .obj_article_details .item.citations li {
    margin-bottom: 14px !important;
    padding-left: 4px !important;
    color: #334155 !important;
    font-size: 15px !important;
    line-height: 1.8 !important;
}

/* DOI / галлеи / публикационные блоки справа */
.page_article .entry_details {
    background: transparent !important;
    border: 0 !important;
    padding-top: 0 !important;
}

/* Sidebar статьи */
.page_article .pkp_structure_sidebar .pkp_block {
    background: #fafaf9 !important;
    border: 1px solid #ebe7e3 !important;
    border-radius: 10px !important;
    padding: 18px 18px 14px 18px !important;
    margin-bottom: 18px !important;
}

.page_article .pkp_structure_sidebar .pkp_block h2 {
    font-size: 12px !important;
    text-transform: uppercase !important;
    letter-spacing: 0.1em !important;
    color: #6b7280 !important;
    margin-bottom: 10px !important;
}

.page_article .pkp_structure_sidebar a {
    color: #23313a !important;
    text-decoration: none !important;
}

.page_article .pkp_structure_sidebar a:hover {
    text-decoration: underline !important;
}

/* PDF / galleys buttons */
.page_article .obj_galley_link,
.page_article .entry_details .item a {
    border-radius: 6px !important;
}

/* Немного воздуха между колонками */
.page_article .pkp_structure_main {
    padding-right: 54px !important;
}

.page_article .pkp_structure_sidebar {
    padding-top: 54px !important;
}

/* Мобильная версия */
@media (max-width: 1000px) {
    .page_article .page_title {
        font-size: 38px !important;
        line-height: 1.12 !important;
        padding: 28px 24px 22px 24px !important;
    }

    .page_article .obj_article_details .item.authors,
    .page_article .obj_article_details .item.keywords,
    .page_article .obj_article_details .item:not(.authors):not(.abstract) {
        padding-left: 24px !important;
        padding-right: 24px !important;
    }

    .page_article .obj_article_details .item.abstract {
        margin-left: 24px !important;
        margin-right: 24px !important;
        padding: 22px 20px !important;
    }

    .page_article .obj_article_details p,
    .page_article .obj_article_details .item.abstract p {
        max-width: 100% !important;
    }
}
/* === KEY POINTS BLOCK === */

.key-points {
    background: #f4f4f2;
    border: 1px solid #e5e5e5;
    border-left: 4px solid #1f2a30;
    padding: 22px 26px;
    margin: 30px 44px;
    border-radius: 10px;
}

.key-points h2 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #4b5563;
    margin-bottom: 12px;
    border: none;
    padding: 0;
}

.key-points ul {
    padding-left: 18px;
    margin: 0;
}

.key-points li {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 6px;
    color: #24323a;
}
/* =========================================
   ANNUAL ARCHIVE — POLLUTION AND DISEASES
   Matching style for yearly volumes
   ========================================= */

.page_issue_archive .issues_archive,
.page_issue_archive .cmp_issue_archive {
    max-width: 1180px !important;
}

/* Archive title */
.page_issue_archive .page_title {
    font-size: 44px !important;
    line-height: 1.1 !important;
    letter-spacing: -0.8px !important;
    color: #1f2933 !important;
    margin-bottom: 28px !important;
}

/* Each annual volume card */
.page_issue_archive .obj_issue_summary,
.page_issue_archive .cmp_issue {
    background: #fbfbfa !important;
    border: 1px solid #e7e5e4 !important;
    border-radius: 18px !important;
    padding: 28px 30px !important;
    margin-bottom: 28px !important;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03) !important;
    transition: transform 0.18s ease, box-shadow 0.18s ease !important;
    overflow: hidden !important;
}

.page_issue_archive .obj_issue_summary:hover,
.page_issue_archive .cmp_issue:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 14px 36px rgba(0,0,0,0.05) !important;
}

/* Cover image */
.page_issue_archive .obj_issue_summary .cover,
.page_issue_archive .cmp_issue .cover {
    float: left !important;
    width: 170px !important;
    margin-right: 28px !important;
    margin-bottom: 10px !important;
}

.page_issue_archive .obj_issue_summary .cover img,
.page_issue_archive .cmp_issue .cover img {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    border-radius: 10px !important;
    border: 1px solid #e6e3df !important;
    box-shadow: 0 6px 18px rgba(0,0,0,0.04) !important;
    background: #f3f4f2 !important;
}

/* Volume title */
.page_issue_archive .obj_issue_summary h2,
.page_issue_archive .cmp_issue h2 {
    font-size: 30px !important;
    line-height: 1.2 !important;
    letter-spacing: -0.4px !important;
    margin: 0 0 10px 0 !important;
    padding: 0 !important;
    border: 0 !important;
}

.page_issue_archive .obj_issue_summary h2 a,
.page_issue_archive .cmp_issue h2 a {
    color: #1f2933 !important;
    text-decoration: none !important;
}

.page_issue_archive .obj_issue_summary h2 a:hover,
.page_issue_archive .cmp_issue h2 a:hover {
    text-decoration: underline !important;
}

/* Optional series/meta line */
.page_issue_archive .obj_issue_summary .series,
.page_issue_archive .cmp_issue .series {
    font-size: 12px !important;
    text-transform: uppercase !important;
    letter-spacing: 0.08em !important;
    color: #6b7280 !important;
    margin-bottom: 12px !important;
}

/* Description */
.page_issue_archive .obj_issue_summary .description,
.page_issue_archive .cmp_issue .description {
    font-size: 17px !important;
    line-height: 1.8 !important;
    color: #334155 !important;
    margin-bottom: 16px !important;
    max-width: 760px !important;
}

/* If OJS uses plain paragraphs after heading */
.page_issue_archive .obj_issue_summary p,
.page_issue_archive .cmp_issue p {
    font-size: 17px !important;
    line-height: 1.8 !important;
    color: #334155 !important;
    max-width: 760px !important;
    margin-bottom: 14px !important;
}

/* Buttons / links */
.page_issue_archive .obj_issue_summary .title a,
.page_issue_archive .obj_issue_summary .read_more,
.page_issue_archive .cmp_issue a[href*="/issue/view/"] {
    color: #23313a !important;
}

/* Clear float */
.page_issue_archive .obj_issue_summary::after,
.page_issue_archive .cmp_issue::after {
    content: "" !important;
    display: block !important;
    clear: both !important;
}

/* Sidebar blocks on archive page */
.page_issue_archive .pkp_block {
    background: #fafaf9 !important;
    border: 1px solid #ebe7e3 !important;
    border-radius: 10px !important;
    padding: 18px 18px 14px 18px !important;
    margin-bottom: 18px !important;
}

.page_issue_archive .pkp_block h2 {
    font-size: 12px !important;
    text-transform: uppercase !important;
    letter-spacing: 0.1em !important;
    color: #6b7280 !important;
    margin-bottom: 10px !important;
}

/* Mobile */
@media (max-width: 900px) {
    .page_issue_archive .page_title {
        font-size: 34px !important;
    }

    .page_issue_archive .obj_issue_summary,
    .page_issue_archive .cmp_issue {
        padding: 22px 20px !important;
    }

    .page_issue_archive .obj_issue_summary .cover,
    .page_issue_archive .cmp_issue .cover {
        float: none !important;
        width: 150px !important;
        margin-right: 0 !important;
        margin-bottom: 18px !important;
    }

    .page_issue_archive .obj_issue_summary h2,
    .page_issue_archive .cmp_issue h2 {
        font-size: 24px !important;
    }

    .page_issue_archive .obj_issue_summary p,
    .page_issue_archive .cmp_issue p,
    .page_issue_archive .obj_issue_summary .description,
    .page_issue_archive .cmp_issue .description {
        max-width: 100% !important;
        font-size: 16px !important;
    }
}
/* =========================================
   ANNUAL ARCHIVE — FINAL CSS V2
   compact tuning for current archive layout
   ========================================= */

.page_issue_archive .obj_issue_summary,
.page_issue_archive .cmp_issue {
    padding: 24px 26px !important;
}

.page_issue_archive .obj_issue_summary .cover,
.page_issue_archive .cmp_issue .cover {
    width: 140px !important;
    margin-right: 24px !important;
    margin-bottom: 8px !important;
}

.page_issue_archive .obj_issue_summary h2,
.page_issue_archive .cmp_issue h2 {
    font-size: 26px !important;
    line-height: 1.2 !important;
    margin-bottom: 8px !important;
}

.page_issue_archive .obj_issue_summary p,
.page_issue_archive .cmp_issue p,
.page_issue_archive .obj_issue_summary .description,
.page_issue_archive .cmp_issue .description {
    font-size: 15.5px !important;
    line-height: 1.7 !important;
    max-width: 680px !important;
}

.page_issue_archive .obj_issue_summary .series,
.page_issue_archive .cmp_issue .series {
    margin-bottom: 8px !important;
}

@media (max-width: 900px) {
    .page_issue_archive .obj_issue_summary,
    .page_issue_archive .cmp_issue {
        padding: 20px 18px !important;
    }

    .page_issue_archive .obj_issue_summary .cover,
    .page_issue_archive .cmp_issue .cover {
        width: 130px !important;
        margin-bottom: 16px !important;
    }

    .page_issue_archive .obj_issue_summary h2,
    .page_issue_archive .cmp_issue h2 {
        font-size: 23px !important;
    }

    .page_issue_archive .obj_issue_summary p,
    .page_issue_archive .cmp_issue p,
    .page_issue_archive .obj_issue_summary .description,
    .page_issue_archive .cmp_issue .description {
        font-size: 15px !important;
        max-width: 100% !important;
    }
}