.article-hero {
    padding: 54px 20px 46px;
    background: linear-gradient(135deg, #f2f8fa 0%, #e6f3f5 55%, #edf4fb 100%);
}

.article-hero__inner {
    max-width: 900px;
    margin: 0 auto;
}

.article-breadcrumb {
    margin-bottom: 24px;
    color: #65758a;
    font-size: 13px;
}

.article-breadcrumb a {
    color: #24417c;
    text-decoration: none;
}

.article-category {
    display: inline-block;
    margin-bottom: 12px;
    color: #00897b;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

.article-hero h1 {
    margin: 0 0 18px;
    color: #24417c;
    font-size: clamp(34px, 5vw, 48px);
    line-height: 1.14;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin: 0;
    color: #617084;
    font-size: 13px;
}

.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.article-meta i {
    color: #00897b;
}

.article-main {
    max-width: 960px;
    margin: 0 auto;
    padding: 42px 24px 76px;
}

.article-layout {
    display: block;
}

.article-content {
    min-width: 0;
    padding: 0;
    color: #465466;
    font-size: 17px;
    line-height: 1.8;
}

.article-content p {
    margin: 0 0 1.4rem;
}

.article-content h2 {
    margin: 2.3rem 0 1rem;
    padding-bottom: 10px;
    border-bottom: 1px solid #e5ebf0;
    color: #24417c;
    font-size: clamp(24px, 3vw, 29px);
    line-height: 1.3;
}

.article-content h3 {
    margin: 1.7rem 0 .7rem;
    color: #24417c;
    font-size: 20px;
}

.article-content a {
    color: #176c70;
    font-weight: 600;
    text-underline-offset: 3px;
}

.article-content ul,
.article-content ol {
    margin: 0 0 1.5rem;
    padding-left: 1.4rem;
}

.article-content li {
    margin-bottom: .55rem;
}

.article-table-wrap {
    max-width: 100%;
    margin: 0 0 1.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.article-table-wrap table {
    width: 100%;
    border-collapse: collapse;
    color: #465466;
    font-size: 14px;
    line-height: 1.6;
}

.article-table-wrap th,
.article-table-wrap td {
    min-width: 150px;
    padding: 11px 13px;
    border: 1px solid #e2e9ee;
    text-align: left;
    vertical-align: top;
}

.article-table-wrap th {
    background: #f3f7f8;
    color: #24417c;
    font-weight: 700;
}

.article-image {
    margin: 0 0 24px;
}

.article-image img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 520px;
    border-radius: 14px;
    object-fit: cover;
}

.article-image figcaption {
    margin-top: 9px;
    color: #758195;
    font-size: 12px;
    line-height: 1.55;
}

.article-lead {
    margin: 0 0 26px;
    padding: 20px 22px;
    border-left: 4px solid #00897b;
    border-radius: 0 10px 10px 0;
    background: #f0f7f6;
    color: #34495b;
    font-size: 19px;
    line-height: 1.7;
}

.article-note {
    margin: 26px 0;
    padding: 20px 22px;
    border-left: 4px solid #24417c;
    border-radius: 0 10px 10px 0;
    background: #f3f6fa;
    color: #4d5c6e;
    font-size: 15px;
    line-height: 1.7;
}

.article-note strong {
    color: #24417c;
}

.article-checklist {
    padding: 22px;
    border: 1px solid #e2ecea;
    border-radius: 12px;
    background: #f8fbfa;
}

.article-checklist h2 {
    margin-top: 0;
}

.article-author {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-top: 38px;
    padding: 22px 0;
    border-top: 1px solid #e5ebf0;
    border-bottom: 1px solid #e5ebf0;
}

.article-author__icon {
    display: grid;
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    place-items: center;
    border-radius: 50%;
    background: #eaf4f3;
    color: #176c70;
    font-size: 19px;
}

.article-author h2 {
    margin: 0 0 4px;
    padding: 0;
    border: 0;
    font-size: 17px;
}

.article-author p {
    margin: 0;
    color: #69778a;
    font-size: 14px;
    line-height: 1.65;
}

.article-disclaimer {
    margin-top: 22px !important;
    padding: 14px 16px;
    border-radius: 8px;
    background: #f4f6f8;
    color: #647184;
    font-size: 13px;
    line-height: 1.6;
}

.article-editorial {
    margin-top: 30px;
    overflow: hidden;
    border: 1px solid #e2e9ee;
    border-radius: 12px;
    background: #fff;
}

.article-tabs {
    display: flex;
    gap: 24px;
    padding: 0 22px;
    border-bottom: 1px solid #e2e9ee;
}

.article-tab {
    padding: 15px 0 12px;
    border: 0;
    border-bottom: 3px solid transparent;
    background: transparent;
    color: #647184;
    cursor: pointer;
    font: inherit;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .5px;
    text-transform: uppercase;
}

.article-tab[aria-selected="true"] {
    border-bottom-color: #00897b;
    color: #176c70;
}

.article-tab:focus-visible {
    outline: 2px solid #00897b;
    outline-offset: 3px;
}

.article-panel {
    padding: 22px;
}

.article-panel[hidden] {
    display: none;
}

.article-panel h2 {
    margin: 0 0 12px;
    padding: 0;
    border: 0;
    font-size: 20px;
}

.article-references {
    margin: 0;
    padding-left: 1.3rem;
    color: #465466;
    font-size: 14px;
    line-height: 1.7;
}

.article-references li + li {
    margin-top: 12px;
}

.article-references a {
    color: #176c70;
    font-weight: 700;
    text-underline-offset: 3px;
}

.article-history-intro {
    margin: 0 0 20px !important;
    color: #596779;
    font-size: 14px;
    line-height: 1.7;
}

.article-history {
    position: relative;
    margin: 0 0 20px;
    padding-left: 23px;
}

.article-history::before {
    position: absolute;
    top: 8px;
    bottom: 8px;
    left: 5px;
    width: 2px;
    background: #c9dfdc;
    content: "";
}

.article-history__item {
    position: relative;
    padding-bottom: 18px;
    color: #596779;
    font-size: 14px;
    line-height: 1.6;
}

.article-history__item:last-child {
    padding-bottom: 0;
}

.article-history__item::before {
    position: absolute;
    top: 5px;
    left: -23px;
    width: 10px;
    height: 10px;
    border: 2px solid #6aa9a0;
    border-radius: 50%;
    background: #fff;
    content: "";
}

.article-history__item--current::before {
    border-color: #00897b;
    background: #00897b;
}

.article-history__item strong {
    display: block;
    color: #24417c;
}

.article-editorial__reviewer {
    margin: 0;
    padding-top: 14px;
    border-top: 1px solid #e7edf0;
    color: #647184;
    font-size: 13px;
}

.article-editorial__reviewer strong {
    display: block;
    margin-top: 3px;
    color: #24417c;
    font-size: 14px;
}

.article-related {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px 60px;
}

.article-related h2 {
    margin: 0 0 18px;
    color: #24417c;
    font-size: 24px;
}

.article-related__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.article-related__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 18px;
    border: 1px solid #e5ebf0;
    border-radius: 10px;
    color: #24417c;
    font-weight: 700;
    text-decoration: none;
}

.article-related__link:hover {
    border-color: #a6d4d0;
    background: #f5faf9;
}

@media (max-width: 760px) {
    .article-content {
        font-size: 16px;
    }

    .article-tabs {
        gap: 20px;
        padding: 0 16px;
    }

    .article-panel {
        padding: 18px 16px;
    }

    .article-related__grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .article-content *,
    .article-related * {
        scroll-behavior: auto !important;
    }
}