.article-progress {
    height: 3px;
    background: linear-gradient(90deg, #0066cc 0%, #2a8cff 48%, #0b3d73 100%);
    box-shadow: none;
}

.article-reader-hero {
    padding: clamp(52px, 7vw, 92px) 0 clamp(42px, 6vw, 72px);
    background: #fbfdff;
    color: #0a2544;
    border-bottom: 1px solid #e7eef6;
}

.article-reader-hero::after,
.article-reader-hero__media::before {
    display: none;
}

.article-breadcrumbs,
.article-breadcrumbs a {
    color: #66788c;
}

.article-breadcrumbs strong {
    color: #0a2544;
}

.article-reader-hero__grid {
    grid-template-columns: minmax(0, 760px) minmax(280px, 420px);
    align-items: end;
}

.article-reader-hero__eyebrow {
    color: #0066cc;
}

.article-reader-hero__eyebrow::before {
    background: #0066cc;
}

.article-reader-hero h1 {
    color: #071f3d;
    font-size: clamp(38px, 4.7vw, 68px);
    line-height: 1.08;
    letter-spacing: 0;
}

.article-reader-hero__copy > p {
    max-width: 720px;
    color: #46586c;
    font-size: clamp(17px, 1.35vw, 20px);
    line-height: 1.86;
}

.article-reader-meta span {
    background: #fff;
    border-color: #dbe8f4;
    color: #40546c;
    box-shadow: 0 10px 24px rgba(10, 37, 68, .06);
}

.article-reader-hero__media img,
.article-reader-body img,
.article-related-card img {
    border-radius: 18px;
    box-shadow: 0 18px 46px rgba(10, 37, 68, .12);
}

.article-reader-hero__media img {
    aspect-ratio: 1 / 1;
}

.article-reader-page {
    background: #fff;
    padding-top: clamp(44px, 6vw, 84px);
}

.article-reader-layout {
    grid-template-columns: 96px minmax(0, 820px) minmax(250px, 300px);
    gap: clamp(22px, 3.4vw, 42px);
}

.article-reader-main {
    grid-column: 2;
}

.article-reader-side {
    grid-column: 3;
}

.article-reader-body {
    max-width: 800px;
    color: #18283a;
    font-size: clamp(18px, 1.18vw, 20px);
    line-height: 1.86;
    -webkit-font-smoothing: antialiased;
}

.article-reader-body::before {
    width: 44px;
    height: 2px;
    margin-bottom: 34px;
    background: #0066cc;
}

.article-reader-body p {
    margin-bottom: 1.55em;
}

.article-reader-body h2,
.article-reader-body h3 {
    margin-top: 2.35em;
    border-left-color: #0066cc;
}

.article-reader-body img {
    width: min(100%, 920px);
    margin: 34px auto;
}

.article-reader-body .medical-note,
.article-reader-body .medical-style-block {
    background-color: #eef6ff;
    border-left: 4px solid #004A99;
    padding: 15px;
    margin: 20px 0;
    border-radius: 4px;
    color: #003366;
    font-size: 0.95em;
    line-height: 1.6;
}

.article-reader-body .risk-box,
.article-reader-body .risk-style-block,
.article-reader-body .medical-style-alert {
    background-color: #fff8ed;
    border-left: 4px solid #ff9800;
    padding: 15px;
    margin: 20px 0;
    border-radius: 4px;
    color: #856404;
    font-size: 0.95em;
    line-height: 1.6;
}

.article-share-rail {
    position: sticky;
    top: 112px;
    grid-column: 1;
    display: grid;
    gap: 10px;
    align-self: start;
    justify-items: center;
}

.article-share-rail span,
.article-share-bottom span {
    color: #66788c;
    font-size: 11px;
    font-weight: 850;
    letter-spacing: .12em;
    text-transform: uppercase;
    writing-mode: vertical-rl;
}

.article-share-button {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #dbe8f4;
    border-radius: 50%;
    background: #fff;
    color: #0a3d72;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 12px 28px rgba(10, 37, 68, .07);
    transition: transform .22s ease, border-color .22s ease, color .22s ease, box-shadow .22s ease;
}

.article-share-button:hover,
.article-share-button:focus-visible {
    color: #0066cc;
    border-color: #9bc8f2;
    transform: translateY(-2px);
    box-shadow: 0 18px 38px rgba(10, 37, 68, .12);
}

.article-share-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin: 46px 0 0;
    padding: 18px 20px;
    border: 1px solid #e1ebf4;
    border-radius: 18px;
    background: #f8fbff;
}

.article-share-bottom span {
    writing-mode: initial;
}

.article-share-bottom__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.article-share-toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    z-index: 10030;
    padding: 10px 14px;
    border-radius: 999px;
    background: #0a2544;
    color: #fff;
    font-size: 13px;
    font-weight: 750;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 10px);
    transition: opacity .22s ease, transform .22s ease;
}

.article-share-toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

.article-reader-toc,
.article-floating-cta,
.article-reader-summary {
    box-shadow: 0 18px 44px rgba(10, 37, 68, .07);
}

@media (max-width: 991.98px) {
    .article-reader-layout {
        grid-template-columns: 1fr;
    }

    .article-reader-main,
    .article-reader-side {
        grid-column: auto;
    }

    .article-share-rail {
        display: none;
    }
}

@media (max-width: 767.98px) {
    .article-reader-hero,
    .article-reader-hero--mobile {
        background: #fff;
        color: #0a2544;
        border-bottom: 1px solid #e7eef6;
    }

    .article-reader-hero--mobile .article-reader-hero__media img,
    .article-reader-hero__media img {
        width: calc(100% - 32px);
        margin: 16px auto 0;
        border-radius: 20px;
        aspect-ratio: 16 / 10;
        box-shadow: 0 18px 44px rgba(10, 37, 68, .12);
    }

    .article-reader-hero--mobile .article-reader-hero__copy {
        padding: 24px 20px 28px;
    }

    .article-reader-hero h1 {
        color: #071f3d;
        font-size: clamp(30px, 9vw, 40px);
        line-height: 1.16;
    }

    .article-reader-hero__copy > p {
        color: #46586c;
    }

    .article-reader-meta {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .article-reader-meta span {
        min-width: 0;
        justify-content: center;
    }

    .article-reader-page,
    .article-reader-page--mobile {
        padding: 22px 16px 108px;
        background: #fff;
    }

    .article-reader-body {
        font-size: 17px;
        line-height: 1.88;
    }

    .article-reader-body img {
        width: 100%;
        margin: 28px auto;
        border-radius: 16px;
    }

    .article-share-bottom {
        display: grid;
        gap: 14px;
        margin-top: 34px;
        padding: 16px;
    }

    .article-share-bottom__actions {
        display: grid;
        grid-template-columns: repeat(3, 44px);
        justify-content: start;
    }
}