:root {
    --article-ink: #f8fafc;
    --article-muted: #a9b6ce;
    --article-line: rgba(148, 163, 184, 0.18);
    --article-blue: #60a5fa;
    --article-violet: #a78bfa;
}

.article-detail-page {
    min-height: 100vh;
    background: #0f172a;
    color: var(--article-ink);
}

.article-detail-page main {
    min-height: 70vh;
}

.article-hero {
    border-bottom: 1px solid var(--article-line);
}

.article-hero-inner {
    width: min(1120px, calc(100% - 48px));
    margin: 0 auto;
    padding: 62px 0 42px;
}

.article-hero h1 {
    margin: 0;
    font-size: clamp(2rem, 3vw, 2.75rem);
    line-height: 1.3;
    letter-spacing: -0.025em;
}

.article-lead {
    margin: 18px 0 0;
    color: #b9c6d8;
    font-size: 1.08rem;
    line-height: 1.8;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
    margin-top: 20px;
    color: #94a3b8;
    font-size: 0.84rem;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 760px) 250px;
    gap: 72px;
    width: min(1120px, calc(100% - 48px));
    margin: 0 auto;
    padding: 70px 0 110px;
    align-items: start;
}

.article-content {
    min-width: 0;
    color: #d6deeb;
    font-size: 1.04rem;
    line-height: 2;
}

.article-content > p:first-child {
    margin-top: 0;
    color: #f1f5f9;
    font-size: 1.16rem;
}

.article-content h2,
.article-content h3 {
    color: #ffffff;
    scroll-margin-top: 100px;
}

.article-content h2 {
    margin: 2.8rem 0 1rem;
    font-size: clamp(1.5rem, 2.6vw, 1.9rem);
    line-height: 1.35;
    letter-spacing: -0.025em;
}

.article-content h3 {
    margin: 2.15rem 0 0.85rem;
    font-size: 1.28rem;
}

.article-content p {
    margin: 1rem 0;
}

.article-content ul,
.article-content ol {
    margin: 1.1rem 0;
    padding-left: 1.5rem;
}

.article-content li {
    margin: 0.55rem 0;
    padding-left: 0.25rem;
}

.article-content strong {
    color: #ffffff;
}

.article-content code {
    padding: 0.12rem 0.4rem;
    border: 1px solid rgba(167, 139, 250, 0.25);
    border-radius: 6px;
    background: rgba(76, 29, 149, 0.22);
    color: #ddd6fe;
    font-size: 0.9em;
}

.article-content a {
    color: #93c5fd;
    text-underline-offset: 4px;
}

.article-content blockquote {
    margin: 1.7rem 0;
    padding: 18px 22px;
    border: 1px solid rgba(96, 165, 250, 0.2);
    border-left: 4px solid var(--article-blue);
    border-radius: 0 14px 14px 0;
    background: rgba(30, 64, 175, 0.1);
    color: #dbeafe;
}

.article-figure {
    margin: 1.75rem 0 2.15rem;
}

.article-figure img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 18px;
    background: #111827;
    box-shadow: 0 20px 50px rgba(2, 6, 23, 0.32);
}

.article-figure figcaption {
    margin-top: 10px;
    color: #94a3b8;
    font-size: 0.82rem;
    line-height: 1.6;
    text-align: center;
}

.article-toc {
    position: sticky;
    top: 100px;
    padding: 20px;
    border: 1px solid var(--article-line);
    border-radius: 18px;
    background: rgba(30, 41, 59, 0.72);
    box-shadow: 0 20px 55px rgba(2, 6, 23, 0.24);
    backdrop-filter: blur(16px);
}

.article-toc > p {
    margin: 0 0 13px;
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 700;
}

.article-toc nav {
    display: grid;
    gap: 4px;
}

.article-toc nav a {
    padding: 7px 9px;
    border-radius: 8px;
    color: var(--article-muted);
    font-size: 0.82rem;
    line-height: 1.45;
    text-decoration: none;
}

.article-toc nav a:hover,
.article-toc nav a:focus-visible {
    background: rgba(96, 165, 250, 0.1);
    color: #ffffff;
}

.article-end-cta {
    position: relative;
    overflow: hidden;
    margin-top: 64px;
    padding: 34px;
    border: 1px solid rgba(167, 139, 250, 0.3);
    border-radius: 24px;
    background:
        radial-gradient(circle at 95% 0%, rgba(236, 72, 153, 0.2), transparent 45%),
        linear-gradient(135deg, rgba(91, 33, 182, 0.32), rgba(30, 64, 175, 0.22));
}

.article-end-cta p {
    margin: 0;
    color: #c4b5fd;
    font-size: 0.86rem;
    font-weight: 700;
}

.article-end-cta h2 {
    margin: 8px 0 24px;
    padding: 0;
    font-size: 1.7rem;
}

.article-end-cta h2::before {
    display: none;
}

.article-end-cta a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 11px;
    background: #2563eb;
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
}

@media (max-width: 920px) {
    .article-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 34px;
    }

    .article-toc {
        grid-row: 1;
        position: static;
    }
}

@media (max-width: 640px) {
    .article-hero-inner,
    .article-layout {
        width: min(100% - 30px, 1120px);
    }

    .article-hero-inner {
        padding: 38px 0 32px;
    }

    .article-hero h1 {
        font-size: clamp(1.75rem, 7vw, 2.2rem);
    }

    .article-layout {
        padding: 34px 0 72px;
    }

    .article-content {
        font-size: 1rem;
        line-height: 1.85;
    }

    .article-end-cta {
        padding: 26px 22px;
    }
}

.article-video {
    display: grid;
    justify-items: center;
    gap: 14px;
    margin: 0 0 3rem;
    padding: 28px;
    border: 1px solid rgba(245, 158, 11, 0.24);
    border-radius: 24px;
    background:
        radial-gradient(circle at 50% 0%, rgba(245, 158, 11, 0.12), transparent 48%),
        rgba(15, 23, 42, 0.72);
}

.article-video-frame {
    width: min(100%, 390px);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 22px;
    background: #020617;
    box-shadow: 0 24px 70px rgba(2, 6, 23, 0.5);
}

.article-video video {
    display: block;
    width: 100%;
    aspect-ratio: 9 / 16;
    background: #020617;
}

.article-video figcaption {
    max-width: 620px;
    color: #a9b6ce;
    font-size: 0.86rem;
    line-height: 1.7;
    text-align: center;
}

.article-video-download {
    display: inline-flex;
    padding: 9px 14px;
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 10px;
    color: #fde68a !important;
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
}

@media (max-width: 640px) {
    .article-video {
        padding: 18px;
    }
}

.article-zoomable-image {
    cursor: zoom-in;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.article-zoomable-image:hover {
    border-color: rgba(147, 197, 253, 0.62);
    box-shadow: 0 24px 60px rgba(2, 6, 23, 0.48);
    transform: translateY(-2px);
}

.article-zoomable-image:focus-visible {
    outline: 3px solid #60a5fa;
    outline-offset: 4px;
}

body.article-lightbox-open {
    overflow: hidden;
}

.article-lightbox {
    width: 96vw;
    max-width: none;
    height: 92vh;
    max-height: none;
    padding: 0;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 18px;
    background: #020617;
    color: #f8fafc;
    box-shadow: 0 32px 100px rgba(0, 0, 0, 0.72);
}

.article-lightbox::backdrop {
    background: rgba(2, 6, 23, 0.86);
    backdrop-filter: blur(8px);
}

.article-lightbox-panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    height: 100%;
}

.article-lightbox-toolbar {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 58px;
    padding: 10px 14px 10px 20px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.22);
    background: rgba(15, 23, 42, 0.96);
}

.article-lightbox-toolbar p {
    margin: 0;
    overflow: hidden;
    color: #cbd5e1;
    font-size: 0.88rem;
    line-height: 1.45;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-lightbox-actions {
    display: flex;
    flex: 0 0 auto;
    gap: 8px;
}

.article-lightbox-actions button {
    min-width: 44px;
    min-height: 38px;
    padding: 7px 12px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 9px;
    background: rgba(30, 41, 59, 0.92);
    color: #f8fafc;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
}

#articleLightboxClose {
    font-size: 1.45rem;
    line-height: 1;
}

.article-lightbox-stage {
    display: grid;
    place-items: start center;
    overflow: auto;
    padding: 20px;
    overscroll-behavior: contain;
}

.article-lightbox-stage img {
    display: block;
    width: auto;
    max-width: min(1400px, calc(94vw - 40px));
    height: auto;
    max-height: none;
    border-radius: 10px;
    cursor: zoom-in;
    background: #111827;
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.46);
}

.article-lightbox-stage img.is-zoomed {
    width: 1400px;
    max-width: none;
    cursor: zoom-out;
}

@media (max-width: 640px) {
    .article-lightbox {
        width: 100vw;
        height: 100vh;
        border: 0;
        border-radius: 0;
    }

    .article-lightbox-toolbar {
        padding-left: 14px;
    }

    .article-lightbox-toolbar p {
        max-width: 45vw;
    }

    .article-lightbox-stage {
        padding: 12px;
    }

    .article-lightbox-stage img {
        max-width: calc(100vw - 24px);
    }

    .article-lightbox-stage img.is-zoomed {
        width: 1200px;
        max-width: none;
    }
}