.article-shell {
    background:
        radial-gradient(circle at top right, rgba(59, 130, 246, 0.10), transparent 28%),
        linear-gradient(180deg, #f8fbff 0%, #ffffff 35%, #f5f8ff 100%);
}

.article-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.08);
    color: #1e3a8a;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.article-kicker--blue,
.article-badge {
    background: rgba(37, 99, 235, 0.12);
    color: #2563eb;
}

.article-hero,
.article-featured,
.article-library,
.article-detail,
.article-related {
    padding: 84px 0;
}

.article-hero__grid,
.article-layout,
.article-featured__card {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.85fr);
    gap: 30px;
}

.article-hero__content h1,
.article-detail__header h1 {
    margin: 18px 0 16px;
    color: #0f172a;
    font-size: clamp(2.2rem, 4vw, 3.9rem);
    line-height: 1.08;
}

.article-hero__content p,
.article-detail__header p,
.article-featured__content p,
.article-card__body p,
.article-widget p {
    margin: 0;
    color: #64748b;
    line-height: 1.8;
}

.article-hero__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 32px;
}

.article-stat {
    min-width: 150px;
    padding: 18px 20px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
}

.article-stat strong {
    display: block;
    color: #0f172a;
    font-size: 1.15rem;
}

.article-stat span {
    color: #64748b;
    font-size: 0.92rem;
}

.article-hero__panel,
.article-widget,
.article-featured__card,
.article-card,
.article-detail__media,
.article-detail__content {
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 28px;
    background: #ffffff;
    box-shadow: 0 22px 45px rgba(15, 23, 42, 0.07);
}

.article-hero__panel,
.article-widget,
.article-featured__content,
.article-card__body,
.article-detail__content {
    padding: 28px;
}

.article-filter {
    display: grid;
    gap: 18px;
    margin-top: 18px;
}

.article-filter__field {
    display: grid;
    gap: 8px;
}

.article-filter__field label {
    color: #0f172a;
    font-weight: 700;
}

.article-filter__field input,
.article-filter__field select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 14px;
    background: #f8fafc;
    color: #0f172a;
}

.article-filter__actions,
.article-meta,
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.article-section-heading {
    max-width: 760px;
    margin-bottom: 28px;
}

.article-section-heading h2 {
    margin: 16px 0 0;
    color: #0f172a;
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    line-height: 1.2;
}

.article-featured__card {
    overflow: hidden;
    align-items: stretch;
}

.article-featured__media img,
.article-card__media img,
.article-detail__media img,
.article-mini-card img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-featured__media,
.article-card__media {
    min-height: 260px;
}

.article-badge {
    display: inline-flex;
    width: fit-content;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.article-featured__content h3,
.article-card__body h3 {
    margin: 18px 0 14px;
    color: #0f172a;
    line-height: 1.35;
}

.article-meta {
    margin-top: 20px;
}

.article-meta span {
    padding: 8px 12px;
    border-radius: 999px;
    background: #eff6ff;
    color: #1d4ed8;
    font-size: 0.85rem;
    font-weight: 600;
}

.article-main {
    min-width: 0;
}

.article-sidebar {
    display: grid;
    gap: 22px;
    align-content: start;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.article-card {
    overflow: hidden;
}

.article-card__media {
    height: 220px;
}

.article-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 20px;
    border: 1px solid transparent;
    border-radius: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.22s ease, box-shadow 0.22s ease, background-color 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}

.article-btn:hover {
    transform: translateY(-2px);
    text-decoration: none;
}

.article-btn--primary,
.article-btn--card {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff;
    box-shadow: 0 16px 28px rgba(37, 99, 235, 0.22);
}

.article-btn--secondary {
    background: #eff6ff;
    border-color: rgba(37, 99, 235, 0.18);
    color: #1d4ed8;
}

.article-btn--light {
    background: #ffffff;
    color: #1d4ed8;
}

.article-tags a,
.article-mini-card {
    text-decoration: none;
}

.article-tags a {
    padding: 10px 14px;
    border-radius: 999px;
    background: #eff6ff;
    color: #1d4ed8;
    font-weight: 600;
}

.article-tags a.is-active {
    background: #1d4ed8;
    color: #ffffff;
}

.article-mini-list {
    display: grid;
    gap: 14px;
}

.article-mini-card {
    display: grid;
    grid-template-columns: 84px 1fr;
    gap: 14px;
    align-items: center;
    color: inherit;
}

.article-mini-card img {
    height: 84px;
    border-radius: 18px;
}

.article-mini-card strong {
    display: block;
    color: #0f172a;
    line-height: 1.4;
}

.article-mini-card span {
    color: #64748b;
    font-size: 0.9rem;
}

.article-widget h3 {
    margin: 0 0 14px;
    color: #0f172a;
}

.article-widget--cta {
    background: linear-gradient(150deg, #0f172a 0%, #1e40af 100%);
    color: #e2e8f0;
}

.article-widget--cta h3,
.article-widget--cta p,
.article-widget--cta .article-kicker {
    color: inherit;
}

.article-empty {
    padding: 32px;
    border: 1px dashed rgba(148, 163, 184, 0.5);
    border-radius: 24px;
    background: #ffffff;
}

.article-backlink {
    display: inline-flex;
    margin-bottom: 18px;
    color: #2563eb;
    font-weight: 700;
    text-decoration: none;
}

.article-detail__header {
    max-width: 860px;
    margin-bottom: 28px;
}

.article-detail__media {
    overflow: hidden;
    height: clamp(260px, 48vw, 520px);
    margin-bottom: 28px;
}

.article-detail__content {
    max-width: 860px;
}

.article-detail__content p + p,
.article-detail__content h2,
.article-detail__content h3,
.article-detail__content h4,
.article-detail__content ul,
.article-detail__content ol,
.article-detail__content img {
    margin-top: 18px;
}

.article-detail__content img {
    max-width: 100%;
    height: auto;
    border-radius: 18px;
}

@media (max-width: 992px) {
    .article-hero,
    .article-featured,
    .article-library,
    .article-detail,
    .article-related {
        padding: 68px 0;
    }

    .article-hero__grid,
    .article-layout,
    .article-featured__card,
    .article-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .article-hero,
    .article-featured,
    .article-library,
    .article-detail,
    .article-related {
        padding: 54px 0;
    }

    .article-hero__panel,
    .article-widget,
    .article-featured__content,
    .article-card__body,
    .article-detail__content {
        padding: 22px;
    }

    .article-filter__actions,
    .article-hero__stats,
    .article-meta {
        flex-direction: column;
    }

    .article-btn {
        width: 100%;
    }
}