body.article-page {
    overflow-y: auto;
    background: var(--bg-primary);
}

.article-topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px clamp(18px, 4vw, 40px);
    background: linear-gradient(180deg, rgba(7, 8, 13, 0.92), rgba(7, 8, 13, 0.55));
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.article-back {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: color 0.3s ease, transform 0.3s ease;
}

.article-back svg {
    width: 15px;
    height: 15px;
    transition: transform 0.35s var(--ease-out);
}

.article-back:hover {
    color: var(--text-primary);
}

.article-back:hover svg {
    transform: translateX(-3px);
}

.article-logo {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.article-main {
    position: relative;
    z-index: 10;
    max-width: 760px;
    margin: 0 auto;
    padding: clamp(28px, 5vh, 56px) 22px 90px;
}

.article-sheet {
    padding: clamp(24px, 4vw, 48px);
    border-radius: var(--radius-xl);
    background:
        radial-gradient(120% 60% at 85% 0%, rgba(99, 102, 241, 0.08), transparent 60%),
        var(--bg-secondary);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lift);
    animation: article-rise 0.8s var(--ease-out) both;
}

@keyframes article-rise {
    from { opacity: 0; transform: translateY(26px); }
    to   { opacity: 1; transform: translateY(0); }
}

.article-kicker {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.article-category {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 99px;
    font-family: var(--font-display);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(34, 211, 238, 0.08);
    border: 1px solid rgba(34, 211, 238, 0.25);
}

.article-meta {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 12px;
    color: var(--text-secondary);
    letter-spacing: 0.04em;
}

.article-meta svg {
    width: 13px;
    height: 13px;
    vertical-align: -2px;
}

.article-meta-sep {
    color: var(--text-muted);
}

.article-title {
    font-size: clamp(26px, 5.4vw, 44px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.01em;
    margin-bottom: 14px;
}

.article-lead {
    font-size: clamp(14px, 2vw, 16.5px);
    line-height: 1.75;
    color: var(--text-secondary);
    padding-left: 16px;
    border-left: 2px solid var(--primary);
    margin-bottom: 24px;
}

.article-hero {
    margin-bottom: 30px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
}

.article-hero img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.article-body {
    font-size: 15px;
    line-height: 1.9;
    color: var(--text-secondary);
}

.article-body p {
    margin-bottom: 18px;
}

.article-body h2 {
    margin: 34px 0 14px;
    font-size: clamp(19px, 3vw, 24px);
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.article-body h2::before {
    content: "";
    display: block;
    width: 44px;
    height: 2.5px;
    border-radius: 2px;
    margin-bottom: 12px;
    background: var(--gradient-main);
}

.article-body h3 {
    margin: 26px 0 12px;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.article-body blockquote {
    margin: 24px 0;
    padding: 16px 20px;
    border-left: 3px solid var(--primary-light);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    background: var(--bg-glass);
    font-style: italic;
    color: var(--text-primary);
}

.article-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

.article-foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-top: 38px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.article-author {
    display: flex;
    align-items: center;
    gap: 13px;
}

.article-author img {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid transparent;
    background: var(--gradient-main) border-box;
    box-shadow: 0 0 18px rgba(99, 102, 241, 0.35);
}

.article-author strong {
    display: block;
    font-family: var(--font-display);
    font-size: 14.5px;
    font-weight: 600;
    color: var(--text-primary);
}

.article-author span {
    display: block;
    font-size: 11.5px;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 22px;
}

.article-nav-link {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 18px 20px;
    border-radius: var(--radius-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.article-nav-link svg {
    flex-shrink: 0;
    width: 17px;
    height: 17px;
    color: var(--accent);
}

.article-nav-link span {
    display: block;
    font-family: var(--font-display);
    font-size: 9.5px;
    font-weight: 600;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.article-nav-link strong {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-nav-next {
    text-align: right;
    justify-content: flex-end;
}

.article-nav-link:hover {
    border-color: rgba(99, 102, 241, 0.45);
    transform: translateY(-3px);
    box-shadow: var(--shadow-card), var(--shadow-glow-primary);
}

.article-nav-prev:hover svg {
    transform: translateX(-3px);
    transition: transform 0.35s var(--ease-out);
}

.article-nav-next:hover svg {
    transform: translateX(3px);
    transition: transform 0.35s var(--ease-out);
}

@media (max-width: 640px) {
    .article-nav {
        grid-template-columns: 1fr;
    }

    .article-nav-next {
        text-align: left;
        justify-content: flex-start;
    }

    .article-foot {
        flex-direction: column;
        align-items: flex-start;
    }
}