.vof-insights-detail { background: var(--bg); }

/* Breadcrumb */
.vof-insights-detail__breadcrumb {
    padding: 16px 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border-light);
}

/* Header */
.vof-insights-detail__header-wrap {
    background: var(--surface);
    padding: 48px 0 40px;
}

.vof-insights-detail__cat {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-light);
    padding: 4px 12px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-block;
    margin-bottom: 20px;
}

.vof-insights-detail__header h1 {
    font-size: 2.875rem;
    letter-spacing: -0.05em;
    max-width: 780px;
    margin-bottom: 16px;
}

.vof-insights-detail__subtitle {
    font-size: 1.125rem;
    color: var(--muted);
    font-weight: 300;
    max-width: 680px;
    line-height: 1.7;
    margin-bottom: 28px;
}

.vof-insights-detail__meta {
    display: flex;
    gap: 16px;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

.vof-insights-detail__author-avatar {
    width: 40px;
    height: 40px;
    background: var(--accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.vof-insights-detail__author-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.vof-insights-detail__author-name {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ink);
}

.vof-insights-detail__author-role {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--muted);
    letter-spacing: 0.3px;
}

.vof-insights-detail__meta-divider {
    width: 1px;
    height: 24px;
    background: var(--border);
    flex-shrink: 0;
}

.vof-insights-detail__meta-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted);
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* Hero Image */
.vof-insights-detail__hero-img-wrap {
    background: var(--surface);
    padding-bottom: 48px;
}

.vof-insights-detail__hero-img {
    width: 100%;
    aspect-ratio: 21 / 9;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.vof-insights-detail__hero-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vof-insights-detail__hero-placeholder {
    width: 100%;
    aspect-ratio: 21 / 9;
    background: linear-gradient(145deg, var(--ink) 0%, var(--ink-light) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.vof-insights-detail__hero-placeholder span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: rgba(255,255,255,0.4);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Article Body */
.vof-insights-detail__body {
    padding: 56px 0;
    background: var(--bg);
}

.vof-insights-detail__content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-top: 56px;
    margin-bottom: 20px;
    color: var(--ink);
}

.vof-insights-detail__content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-top: 40px;
    margin-bottom: 14px;
    color: var(--ink);
}

.vof-insights-detail__content p {
    font-size: 1rem;
    color: var(--ink-light);
    margin-bottom: 20px;
    font-weight: 300;
    line-height: 1.85;
}

.vof-insights-detail__content ul,
.vof-insights-detail__content ol {
    margin-bottom: 24px;
    padding-left: 24px;
}

.vof-insights-detail__content ul { list-style: disc; }
.vof-insights-detail__content ol { list-style: decimal; }

.vof-insights-detail__content li {
    margin-bottom: 10px;
    font-size: 0.9375rem;
    color: var(--ink-light);
    line-height: 1.75;
    font-weight: 300;
}

.vof-insights-detail__content strong {
    font-weight: 600;
    color: var(--ink);
}

.vof-insights-detail__content em { font-style: italic; }

.vof-insights-detail__content a {
    color: var(--accent);
    text-decoration: underline;
    transition: color 0.2s;
}

.vof-insights-detail__content a:hover { color: var(--accent-hover); }

.vof-insights-detail__content blockquote {
    background: var(--surface);
    border-left: 3px solid var(--accent);
    padding: 28px 32px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 32px 0;
    border-top: 1px solid var(--border-light);
    border-right: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.vof-insights-detail__content blockquote p {
    margin-bottom: 0;
    color: var(--ink-light);
}

.vof-insights-detail__content table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 32px 0;
    font-size: 0.875rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.vof-insights-detail__content table th {
    background: var(--surface-alt);
    padding: 16px 24px;
    text-align: left;
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--ink-light);
    border-bottom: 1px solid var(--border);
}

.vof-insights-detail__content table td {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-light);
    color: var(--ink-light);
    font-weight: 300;
    line-height: 1.6;
    background: var(--surface);
}

.vof-insights-detail__content table tr:last-child td { border-bottom: none; }
.vof-insights-detail__content table tr:hover td { background: var(--accent-light); }

.vof-insights-detail__content figure { margin: 36px 0; }

.vof-insights-detail__content figure img {
    width: 100%;
    border-radius: var(--radius-lg);
    object-fit: cover;
}

.vof-insights-detail__content figcaption {
    font-size: 0.75rem;
    color: var(--muted);
    text-align: center;
    margin-top: 12px;
    font-style: italic;
}

/* Share Bar */
.vof-insights-detail__share {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 24px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin: 40px 0;
}

.vof-insights-detail__share-label {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--muted);
    margin-right: 8px;
}

.vof-insights-detail__share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--ink-light);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s;
}

.vof-insights-detail__share-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* Tags */
.vof-insights-detail__tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.vof-insights-detail__tag {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--ink-light);
    background: var(--surface-alt);
    padding: 5px 14px;
    border-radius: 100px;
    letter-spacing: 0.5px;
    border: 1px solid var(--border-light);
}

/* Related */
.vof-insights-detail__related {
    padding: 80px 0;
    background: var(--surface);
    position: relative;
}

.vof-insights-detail__related::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 87, 255, 0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 87, 255, 0.018) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.vof-insights-detail__related .container-narrow { position: relative; z-index: 1; }
.vof-insights-detail__related h2 { margin-bottom: 32px; }

.vof-insights-detail__related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.vof-insights-detail__related-card {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    background: var(--bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.vof-insights-detail__related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.06);
    border-color: var(--accent);
}

.vof-insights-detail__related-thumb {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--surface-alt);
}

.vof-insights-detail__related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.vof-insights-detail__related-card:hover .vof-insights-detail__related-thumb img {
    transform: scale(1.04);
}

.vof-insights-detail__related-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, var(--ink) 0%, var(--ink-light) 100%);
}

.vof-insights-detail__related-body {
    padding: 20px 20px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.vof-insights-detail__related-cat {
    font-family: var(--font-mono);
    font-size: 0.5625rem;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-light);
    padding: 3px 10px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    display: inline-block;
    margin-bottom: 10px;
    width: fit-content;
}

.vof-insights-detail__related-body h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
    line-height: 1.35;
    color: var(--ink);
    flex: 1;
}

.vof-insights-detail__related-date {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--muted);
    letter-spacing: 0.3px;
}

/* FAQ */
.vof-insights-detail__faq {
    padding: 80px 0;
    background: var(--surface);
}

.vof-insights-detail__faq h2 { margin-bottom: 32px; }
.vof-insights-detail__faq-list { max-width: 800px; }
.vof-insights-detail__faq-item { border-bottom: 1px solid var(--border); }
.vof-insights-detail__faq-item:first-child { border-top: 1px solid var(--border); }

.vof-insights-detail__faq-q {
    width: 100%;
    background: none;
    border: none;
    padding: 22px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.0625rem;
    color: var(--ink);
    text-align: left;
    transition: color 0.2s;
}

.vof-insights-detail__faq-q:hover { color: var(--accent); }
.vof-insights-detail__faq-q.is-open { color: var(--accent); }

.vof-insights-detail__faq-icon {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    color: var(--muted);
    flex-shrink: 0;
    transition: transform 0.3s, color 0.2s;
    display: inline-block;
    line-height: 1;
}

.vof-insights-detail__faq-q.is-open .vof-insights-detail__faq-icon {
    color: var(--accent);
    transform: rotate(45deg);
}

.vof-insights-detail__faq-a { padding-bottom: 20px; }

.vof-insights-detail__faq-a p {
    font-size: 0.9375rem;
    color: var(--muted);
    line-height: 1.75;
    max-width: 680px;
}

/* CTA */
.vof-insights-detail__cta {
    padding: 80px 0 120px;
    background: var(--bg);
}

.vof-insights-detail__cta-inner {
    background: var(--ink);
    border-radius: var(--radius-xl);
    padding: 80px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.vof-insights-detail__cta-inner::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 87, 255, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 87, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.vof-insights-detail__cta-content {
    position: relative;
    z-index: 1;
    max-width: 560px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.vof-insights-detail__cta-content .label-caps { color: rgba(255,255,255,0.4); }
.vof-insights-detail__cta-content h2 { color: #fff; margin-bottom: 16px; }

.vof-insights-detail__cta-content p {
    color: rgba(255,255,255,0.5);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 32px;
}

.vof-insights-detail__cta-content .btn-primary {
    background: #fff;
    color: var(--ink);
}

.vof-insights-detail__cta-content .btn-primary:hover { background: #f0f0f0; }

/* ========================================
   响应式
   ======================================== */
@media (max-width: 768px) {
    .vof-insights-detail__header h1 { font-size: 2rem; }
    .vof-insights-detail__hero-img { aspect-ratio: 16 / 9; }
    .vof-insights-detail__hero-placeholder { aspect-ratio: 16 / 9; }
    .vof-insights-detail__related-grid { grid-template-columns: 1fr; }
    .vof-insights-detail__cta { padding: 56px 0 80px; }
    .vof-insights-detail__cta-inner { padding: 56px 24px; border-radius: var(--radius-lg); }
}