body.article-page.v18-page #readProgress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    z-index: 9999;
    transition: width 0.1s linear;
}

body.article-page.v18-page .reveal-delay-1 { transition-delay: 0.08s; }
body.article-page.v18-page .reveal-delay-2 { transition-delay: 0.16s; }
body.article-page.v18-page .reveal-delay-3 { transition-delay: 0.24s; }

body.article-page.v18-page .article-hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
}
body.article-page.v18-page .article-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 67.5rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}

body.article-page.v18-page .breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}
body.article-page.v18-page .breadcrumb-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: color 0.2s;
}
body.article-page.v18-page .breadcrumb-current {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

body.article-page.v18-page .hero-title {
    font-size: clamp(1.6rem, 3.5vw, 2.5rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.03em;
    margin: 0 0 1.5rem;
}
body.article-page.v18-page .hero-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}
body.article-page.v18-page .hero-meta-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 600;
}
body.article-page.v18-page .hero-meta-divider {
    width: 1px;
    height: 0.9rem;
}

body.article-page.v18-page .article-layout {
    max-width: 67.5rem;
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem;
}
body.article-page.v18-page .article-body {
    min-width: 0;
    background: transparent !important;
}
body.article-page.v18-page .article-body p {
    font-size: 1rem;
    line-height: 1.9;
    margin: 0 0 1.25rem;
}
body.article-page.v18-page .article-body h2 {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 2.5rem 0 0.85rem;
}
body.article-page.v18-page .article-body h2:first-of-type {
    margin-top: 0;
}
body.article-page.v18-page .article-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 1.5rem 0 0.6rem;
}
body.article-page.v18-page .article-body code {
    font-size: 0.85em;
    padding: 0.15em 0.4em;
    border-radius: 5px;
    font-family: 'Geist', 'Menlo', 'Consolas', monospace;
}

body.article-page.v18-page .summary-box {
    border-left-width: 4px;
    border-radius: 0 12px 12px 0;
    padding: 1.25rem 1.5rem;
    margin-bottom: 2.25rem;
}
body.article-page.v18-page .summary-label {
    font-size: 0.62rem;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 0.45rem;
}
body.article-page.v18-page .summary-box p {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.8;
}

body.article-page.v18-page .callout {
    border-left-width: 3px;
    border-radius: 0 10px 10px 0;
    padding: 0.9rem 1.2rem;
    margin: 1.25rem 0;
    font-size: 0.9rem;
    line-height: 1.7;
}

body.article-page.v18-page .compare-wrap {
    overflow: hidden;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1.5rem 0 1.75rem;
}
body.article-page.v18-page .compare-table {
    width: 100%;
    min-width: 520px;
    border-collapse: collapse;
    font-size: 0.875rem;
}
body.article-page.v18-page .compare-table th {
    padding: 0.75rem 1rem;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: left;
    white-space: nowrap;
}
body.article-page.v18-page .compare-table td {
    padding: 0.7rem 1rem;
    line-height: 1.5;
    vertical-align: middle;
}
body.article-page.v18-page .compare-table tbody tr:last-child td {
    border-bottom: none;
}
body.article-page.v18-page .rec-badge {
    display: inline-block;
    font-size: 0.58rem;
    font-weight: 900;
    padding: 2px 7px;
    border-radius: 5px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-left: 0.35rem;
    vertical-align: middle;
}

body.article-page.v18-page .scene-list {
    list-style: disc;
    padding-left: 1.25rem;
    margin: 0.75rem 0 1.5rem;
}
body.article-page.v18-page .scene-list li {
    font-size: 0.9rem;
    line-height: 1.75;
    margin-bottom: 0.5rem;
}

body.article-page.v18-page .faq-list { margin: 0.5rem 0; }
body.article-page.v18-page .faq-item { padding: 1rem 0; }
body.article-page.v18-page .faq-item:last-child { border-bottom: none; }
body.article-page.v18-page .faq-q {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    line-height: 1.45;
}
body.article-page.v18-page .faq-a {
    font-size: 0.875rem;
    line-height: 1.75;
    margin: 0;
}

body.article-page.v18-page .summary-end {
    border-top-width: 3px;
    border-radius: 0 0 16px 16px;
    padding: 1.5rem 1.75rem;
    margin-top: 2.5rem;
}
body.article-page.v18-page .summary-end-label {
    font-size: 0.62rem;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
}
body.article-page.v18-page .summary-end > p {
    font-size: 0.9375rem;
    line-height: 1.75;
    margin: 0;
}

body.article-page.v18-page .stat-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin: 1.25rem 0 1.75rem;
    width: 100%;
    box-sizing: border-box;
}
body.article-page.v18-page .stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 1.25rem 0.75rem;
    border-radius: 12px;
    text-align: center;
    box-sizing: border-box;
}
body.article-page.v18-page .stat-val {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1;
}
body.article-page.v18-page .stat-unit {
    font-size: 0.75em;
    font-weight: 800;
}
body.article-page.v18-page .stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
}

body.article-page.v18-page .article-cta {
    margin-top: 2.5rem;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    isolation: isolate;
    border: none;
    padding: 0;
    display: block;
    text-decoration: none;
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}
body.article-page.v18-page .article-cta::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    pointer-events: none;
    z-index: 2;
}
body.article-page.v18-page .article-cta::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}
body.article-page.v18-page .article-cta-inner {
    position: relative;
    z-index: 1;
    padding: 2rem 2.25rem;
}
body.article-page.v18-page .article-cta-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2.5rem;
}
body.article-page.v18-page .article-cta-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
body.article-page.v18-page .article-cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    width: fit-content;
    padding: 0.28rem 0.7rem;
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}
body.article-page.v18-page .article-body .article-cta-title {
    font-size: clamp(1.35rem, 2.2vw, 1.65rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.25;
    margin: 0;
}
body.article-page.v18-page .article-body .article-cta-desc {
    font-size: 0.875rem;
    line-height: 1.6;
    margin: 0 !important;
    max-width: 36rem;
}
body.article-page.v18-page .article-cta-metrics {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    margin-top: 0.35rem;
}
body.article-page.v18-page .article-cta-metric {
    display: inline-flex;
    align-items: baseline;
    gap: 0.4rem;
}
body.article-page.v18-page .article-cta-metric-val {
    font-size: 1.05rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1;
}
body.article-page.v18-page .article-cta-metric-unit {
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}
body.article-page.v18-page .article-cta-metric-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}
body.article-page.v18-page .article-cta-action {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}
body.article-page.v18-page .article-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 800;
    border-radius: 999px;
    letter-spacing: 0.01em;
    white-space: nowrap;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
body.article-page.v18-page .article-cta:hover {
    transform: translateY(-2px);
}
body.article-page.v18-page .article-cta:hover .article-cta-btn {
    transform: translateX(2px);
}

body.article-page.v18-page .float-cta {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.15rem 0.75rem 0.75rem;
    border-radius: 999px;
    text-decoration: none;
    transition: transform 0.22s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    z-index: 50;
    max-width: calc(100vw - 3rem);
}
body.article-page.v18-page .float-cta:hover { transform: translateY(-3px); }
body.article-page.v18-page .float-cta-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
body.article-page.v18-page .float-cta-label {
    font-size: 0.9375rem;
    font-weight: 800;
    white-space: nowrap;
    line-height: 1;
    letter-spacing: 0.01em;
}
body.article-page.v18-page .float-cta-urgency {
    font-size: 0.6rem;
    font-weight: 800;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    letter-spacing: 0.04em;
    white-space: nowrap;
    line-height: 1.2;
}
body.article-page.v18-page .float-cta-arrow {
    flex-shrink: 0;
    margin-left: -0.05rem;
    transition: transform 0.2s, color 0.2s;
}
body.article-page.v18-page .float-cta:hover .float-cta-arrow {
    transform: translateX(3px);
}

body.article-page.v18-page #headerContainer div[class*="lg:flex"] {
    display: none !important;
}

body.article-page.v18-page .article-body .kw {
    padding: 0.05em 0.3em;
    border-radius: 4px;
    font-weight: 700;
}
body.article-page.v18-page .zh-table-regions th:first-child,
body.article-page.v18-page .zh-table-regions td:first-child { text-align: left; }
body.article-page.v18-page .zh-table-regions th:not(:first-child),
body.article-page.v18-page .zh-table-regions td:not(:first-child) { text-align: center; }
body.article-page.v18-page .zh-table-regions th { white-space: normal; }
body.article-page.v18-page .zh-table-tco td:first-child {
    text-align: left;
    font-weight: 600;
}
body.article-page.v18-page .zh-table-tco td:not(:first-child) { text-align: left; }

@media (max-width: 640px) {
    body.article-page.v18-page .article-layout { padding: 2rem 1.25rem 4rem; }
    body.article-page.v18-page .stat-row {
        grid-template-columns: 1fr;
    }
    body.article-page.v18-page .article-cta-inner { padding: 1.5rem 1.25rem; }
    body.article-page.v18-page .article-cta-main {
        flex-direction: column;
        align-items: stretch;
        gap: 1.25rem;
    }
    body.article-page.v18-page .article-cta-action {
        justify-content: flex-start;
    }
    body.article-page.v18-page .article-cta-btn {
        width: 100%;
    }
    body.article-page.v18-page .float-cta { right: 0.75rem; bottom: 0.75rem; }
}


body.article-page.v18-page {
    --primary: #111827;
    --primary-dark: #000000;
    --primary-light: #374151;
    --warm: #f59e0b;
    --text: #111827;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --border-strong: #d1d5db;
    --bg: #f5f5f7;
    --bg-subtle: #ffffff;
    --bg-blue: #f3f4f6;
    background-color: var(--v18-bg) !important;
    color: var(--v18-ink) !important;
}

body.article-page.v18-page h1,
body.article-page.v18-page h2,
body.article-page.v18-page h3,
body.article-page.v18-page h4,
body.article-page.v18-page h5,
body.article-page.v18-page h6 {
    color: var(--v18-ink) !important;
}

body.article-page.v18-page ::-webkit-scrollbar-track {
    background: var(--v18-bg) !important;
}
body.article-page.v18-page ::-webkit-scrollbar-thumb {
    background: #d1d5db !important;
}
body.article-page.v18-page ::-webkit-scrollbar-thumb:hover {
    background: #9ca3af !important;
}


body.article-page.v18-page #readProgress {
    background: linear-gradient(90deg, #000 0%, #374151 60%, var(--v18-accent) 100%) !important;
}


body.article-page.v18-page .article-hero {
    background: var(--v18-bg) !important;
    color: var(--v18-ink) !important;
    padding: 8rem 0 3rem !important;
}
body.article-page.v18-page .article-hero::before {
    display: none !important;
}


body.article-page.v18-page .breadcrumb-link {
    color: var(--v18-muted) !important;
}
body.article-page.v18-page .breadcrumb-link:hover {
    color: var(--v18-ink) !important;
}
body.article-page.v18-page .breadcrumb-sep {
    color: var(--v18-border) !important;
}
body.article-page.v18-page .breadcrumb-current {
    color: var(--v18-ink) !important;
}

body.article-page.v18-page .hero-title {
    color: var(--v18-ink) !important;
}
body.article-page.v18-page .hero-meta-item {
    color: var(--v18-muted) !important;
}
body.article-page.v18-page .hero-meta-divider {
    background: var(--v18-border) !important;
}


body.article-page.v18-page .article-layout {
    background: var(--v18-bg) !important;
}
body.article-page.v18-page .article-body p {
    color: var(--v18-muted) !important;
}
body.article-page.v18-page .article-body h2 {
    color: var(--v18-ink) !important;
}
body.article-page.v18-page .article-body h3 {
    color: var(--v18-ink) !important;
}
body.article-page.v18-page .article-body strong {
    color: var(--v18-ink) !important;
}
body.article-page.v18-page .article-body code {
    background: #f3f4f6 !important;
    color: var(--v18-ink) !important;
}


body.article-page.v18-page .summary-box {
    background: #fefce8 !important;
    border-color: #fde68a !important;
    border-left-color: var(--v18-accent) !important;
    border-radius: 0 1rem 1rem 0 !important;
}
body.article-page.v18-page .summary-label {
    color: #92400e !important;
}
body.article-page.v18-page .summary-box p {
    color: var(--v18-ink) !important;
}
body.article-page.v18-page .callout {
    background: #f9fafb !important;
    border-color: var(--v18-border) !important;
    border-left-color: #000 !important;
    color: var(--v18-muted) !important;
}
body.article-page.v18-page .callout.warn {
    background: #fffbeb !important;
    border-color: #fde68a !important;
    border-left-color: #f59e0b !important;
}


body.article-page.v18-page .compare-wrap {
    border-color: var(--v18-border) !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05) !important;
    border-radius: 1rem !important;
}
body.article-page.v18-page .compare-table thead tr {
    background: #f9fafb !important;
    border-bottom: 2px solid #000 !important;
}
body.article-page.v18-page .compare-table th {
    color: var(--v18-muted) !important;
}
body.article-page.v18-page .compare-table td {
    border-bottom-color: var(--v18-border) !important;
    color: var(--v18-muted) !important;
}
body.article-page.v18-page .compare-table tbody tr:hover td {
    background: #fafafa !important;
}
body.article-page.v18-page .compare-table td strong {
    color: var(--v18-ink) !important;
}
body.article-page.v18-page .rec-badge {
    background: var(--v18-accent) !important;
    color: #000 !important;
}


body.article-page.v18-page .scene-list li {
    color: var(--v18-muted) !important;
}
body.article-page.v18-page .faq-item {
    border-bottom-color: var(--v18-border) !important;
}
body.article-page.v18-page .faq-q {
    color: var(--v18-ink) !important;
}
body.article-page.v18-page .faq-a {
    color: var(--v18-muted) !important;
}


body.article-page.v18-page .summary-end {
    background: var(--v18-surface) !important;
    border-color: var(--v18-border) !important;
    border-top-color: #000 !important;
    border-radius: 0 0 1rem 1rem !important;
}
body.article-page.v18-page .summary-end-label {
    color: var(--v18-muted) !important;
}
body.article-page.v18-page .summary-end > p {
    color: var(--v18-muted) !important;
}


body.article-page.v18-page .stat-card {
    background: var(--v18-surface) !important;
    border: 1px solid var(--v18-border) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04) !important;
}
body.article-page.v18-page .stat-val {
    color: var(--v18-ink) !important;
}
body.article-page.v18-page .stat-unit {
    color: var(--v18-accent) !important;
}
body.article-page.v18-page .stat-label {
    color: var(--v18-muted) !important;
}


body.article-page.v18-page .article-cta {
    background: #000 !important;
    border: 1px solid #1e1e1e !important;
    box-shadow: 0 20px 56px rgba(0, 0, 0, 0.4) !important;
}
body.article-page.v18-page .article-cta::before {
    background: var(--v18-accent) !important;
}
body.article-page.v18-page .article-cta::after {
    background: radial-gradient(ellipse 50% 80% at 100% 50%, rgba(250, 204, 21, 0.07) 0%, transparent 70%) !important;
}
body.article-page.v18-page .article-cta-badge {
    background: rgba(250, 204, 21, 0.08) !important;
    color: var(--v18-accent) !important;
    border: 1px solid rgba(250, 204, 21, 0.2) !important;
}
body.article-page.v18-page .article-cta-badge svg {
    color: var(--v18-accent) !important;
}
body.article-page.v18-page .article-body .article-cta-title {
    color: #fff !important;
}
body.article-page.v18-page .article-body .article-cta-desc {
    color: rgba(255, 255, 255, 0.5) !important;
}
body.article-page.v18-page .article-cta-metric-val {
    color: var(--v18-accent) !important;
}
body.article-page.v18-page .article-cta-metric-label {
    color: rgba(255, 255, 255, 0.4) !important;
}
body.article-page.v18-page .article-cta-btn {
    background: var(--v18-accent) !important;
    color: #000 !important;
    box-shadow: 0 4px 24px rgba(250, 204, 21, 0.3) !important;
}
body.article-page.v18-page .article-cta:hover {
    box-shadow: 0 28px 72px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(250, 204, 21, 0.1) inset !important;
    border-color: rgba(250, 204, 21, 0.15) !important;
}
body.article-page.v18-page .article-cta:hover .article-cta-btn {
    background: #fde047 !important;
    color: #000 !important;
    box-shadow: 0 6px 28px rgba(250, 204, 21, 0.45) !important;
}

body.article-page.v18-page .float-cta {
    background: #000 !important;
    border: 1px solid transparent !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 4px 20px rgba(0, 0, 0, 0.1) !important;
}
body.article-page.v18-page .float-cta:hover {
    border-color: var(--v18-accent) !important;
    box-shadow: 0 14px 44px rgba(0, 0, 0, 0.25), 0 6px 28px rgba(250, 204, 21, 0.2) !important;
}
body.article-page.v18-page .float-cta-icon {
    background: var(--v18-accent) !important;
    color: #000 !important;
    box-shadow: 0 2px 12px rgba(250, 204, 21, 0.4) !important;
}
body.article-page.v18-page .float-cta:hover .float-cta-icon {
    background: #fde047 !important;
    color: #000 !important;
}
body.article-page.v18-page .float-cta-label {
    color: #fff !important;
}
body.article-page.v18-page .float-cta-arrow {
    color: rgba(255, 255, 255, 0.55) !important;
}
body.article-page.v18-page .float-cta:hover .float-cta-arrow {
    color: #fff !important;
}
body.article-page.v18-page .float-cta-urgency {
    background: var(--v18-accent) !important;
    color: #000 !important;
}

body.article-page.v18-page .article-body .kw {
    color: var(--v18-ink) !important;
    background: #f3f4f6 !important;
}


body.article-page.v18-page .related-section {
    border-top-color: var(--v18-border) !important;
}
body.article-page.v18-page .related-label {
    color: var(--v18-muted) !important;
}
body.article-page.v18-page .related-card {
    background: var(--v18-surface) !important;
    border-color: var(--v18-border) !important;
    border-radius: 1.25rem !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04) !important;
}
body.article-page.v18-page .related-card:hover {
    border-color: #d1d5db !important;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08) !important;
}
body.article-page.v18-page .related-card-title {
    color: var(--v18-ink) !important;
}
body.article-page.v18-page .related-card-date {
    color: var(--v18-muted) !important;
}

@media (max-width: 640px) {
    body.article-page.v18-page .article-hero {
        padding-top: 7rem !important;
    }
}