:root {
    --itx-black: #05070d;
    --itx-navy: #0b1220;
    --itx-slate: #334155;
    --itx-muted: #64748b;
    --itx-line: #e2e8f0;
    --itx-bg: #f8fafc;
    --itx-white: #ffffff;
    --itx-accent: #2563eb;
    --itx-accent-soft: #dbeafe;
    --itx-serif: Georgia, 'Times New Roman', serif;
    --itx-sans: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans TC', sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: var(--itx-sans); color: var(--itx-navy); background: var(--itx-bg); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--itx-accent); }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.breaking-bar { background: var(--itx-black); color: var(--itx-white); font-size: 13px; }
.breaking-inner { min-height: 38px; display: flex; gap: 14px; align-items: center; }
.breaking-kicker { color: #93c5fd; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
.site-header { background: var(--itx-white); border-bottom: 1px solid var(--itx-line); position: sticky; top: 0; z-index: 20; }
.header-main { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px 0; }
.site-logo-text { font-size: 30px; letter-spacing: -.04em; font-weight: 900; color: var(--itx-black); }
.site-tagline { margin: 2px 0 0; font-size: 12px; color: var(--itx-muted); text-transform: uppercase; letter-spacing: .08em; }
.primary-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.primary-nav a { font-size: 13px; color: var(--itx-slate); font-weight: 700; }
.nav-toggle { display: none; background: var(--itx-black); color: var(--itx-white); border: 0; padding: 10px 14px; border-radius: 999px; }
.hero-section { background: linear-gradient(135deg, var(--itx-black), #0f172a 68%, #1e3a8a); color: var(--itx-white); padding: 70px 0; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 42px; align-items: stretch; }
.eyebrow { display: inline-block; color: var(--itx-accent); font-size: 12px; font-weight: 900; text-transform: uppercase; letter-spacing: .12em; }
.hero-copy h1 { font-size: clamp(42px, 6vw, 76px); line-height: .95; letter-spacing: -.065em; margin: 14px 0 20px; }
.hero-copy p { max-width: 660px; color: #cbd5e1; font-size: 18px; }
.top-story { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); padding: 30px; display: flex; flex-direction: column; justify-content: flex-end; min-height: 360px; border-radius: 24px; backdrop-filter: blur(14px); }
.top-story h2 { font-size: clamp(28px, 4vw, 44px); line-height: 1.05; margin: 16px 0; letter-spacing: -.045em; }
.top-story p { color: #dbeafe; }
.read-more { margin-top: 18px; color: #bfdbfe; font-weight: 800; }
.category-pill { display: inline-flex; align-items: center; width: max-content; background: var(--itx-accent-soft); color: var(--itx-accent); border-radius: 999px; padding: 5px 10px; font-size: 11px; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.section-block { padding: 56px 0; }
.section-heading { margin-bottom: 24px; }
.section-heading span { color: var(--itx-accent); font-weight: 900; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.section-heading h2 { margin: 6px 0 0; font-size: 32px; letter-spacing: -.04em; }
.row-heading { display: flex; align-items: end; justify-content: space-between; gap: 18px; border-top: 1px solid var(--itx-line); padding-top: 26px; }
.row-heading > a { font-size: 13px; color: var(--itx-accent); font-weight: 800; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.news-card { background: var(--itx-white); border: 1px solid var(--itx-line); border-radius: 20px; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; }
.news-card:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(15,23,42,.09); }
.news-card-image { aspect-ratio: 16/9; background: #111827; overflow: hidden; display: block; }
.news-card-image img { width: 100%; height: 100%; object-fit: cover; }
.placeholder-image { width: 100%; height: 100%; display: grid; place-items: center; color: #93c5fd; font-size: 46px; font-weight: 900; letter-spacing: -.08em; }
.news-card-body { padding: 18px; }
.news-card h2 { margin: 14px 0 10px; font-size: 20px; line-height: 1.16; letter-spacing: -.03em; }
.news-card p { margin: 0 0 16px; color: var(--itx-muted); font-size: 14px; }
.news-card time { color: var(--itx-muted); font-size: 12px; font-weight: 700; }
.newsletter-panel { background: var(--itx-navy); color: var(--itx-white); padding: 54px 0; }
.newsletter-inner { display: grid; grid-template-columns: 1fr .9fr; gap: 28px; align-items: center; }
.newsletter-inner h2 { font-size: 38px; margin: 8px 0; letter-spacing: -.04em; }
.newsletter-inner p { color: #cbd5e1; }
.newsletter-form { display: flex; gap: 12px; background: rgba(255,255,255,.08); padding: 14px; border-radius: 18px; border: 1px solid rgba(255,255,255,.18); }
.newsletter-form input { flex: 1; border: 0; padding: 14px 16px; border-radius: 12px; min-width: 0; }
.newsletter-form button { border: 0; background: var(--itx-accent); color: var(--itx-white); border-radius: 12px; padding: 0 18px; font-weight: 900; }
.archive-header { padding: 48px 0 10px; }
.archive-header h1 { font-size: clamp(38px, 5vw, 64px); margin: 10px 0; letter-spacing: -.06em; }
.article-layout { padding: 50px 0; }
.article-header { max-width: 860px; margin-bottom: 28px; }
.article-header h1 { font-size: clamp(42px, 6vw, 76px); line-height: .98; letter-spacing: -.065em; margin: 16px 0 18px; }
.article-meta { display: flex; gap: 14px; flex-wrap: wrap; color: var(--itx-muted); font-size: 13px; font-weight: 700; }
.article-featured-image { margin: 0 0 34px; border-radius: 24px; overflow: hidden; }
.article-content-grid { display: grid; grid-template-columns: minmax(0, 760px) 320px; gap: 56px; align-items: start; }
.article-content { font-family: var(--itx-serif); font-size: 20px; line-height: 1.78; color: #172033; }
.article-content h2, .article-content h3 { font-family: var(--itx-sans); letter-spacing: -.025em; line-height: 1.2; margin-top: 38px; }
.article-content a { color: var(--itx-accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.article-sidebar { position: sticky; top: 130px; display: grid; gap: 18px; }
.itx-widget, .source-reference, .itx-ad-slot { background: var(--itx-white); border: 1px solid var(--itx-line); border-radius: 18px; padding: 18px; }
.itx-widget h3, .source-reference h2 { margin-top: 0; font-family: var(--itx-sans); font-size: 18px; }
.page-layout { padding: 50px 0; }
.site-footer { background: var(--itx-black); color: var(--itx-white); padding: 46px 0 24px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 28px; }
.footer-grid h2 { font-size: 30px; margin-top: 0; }
.footer-grid h3 { margin-top: 0; }
.footer-grid p, .footer-grid a { color: #cbd5e1; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 28px; padding-top: 20px; color: #94a3b8; font-size: 13px; }
.pagination-wrap { margin-top: 28px; }
.screen-reader-text { position: absolute; left: -999em; }
@media (max-width: 900px) {
    .hero-grid, .newsletter-inner, .article-content-grid, .footer-grid { grid-template-columns: 1fr; }
    .card-grid, .card-grid.three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .primary-nav { display: none; width: 100%; }
    .primary-nav.is-open { display: block; }
    .header-main { flex-wrap: wrap; }
    .primary-nav ul { display: grid; gap: 10px; }
    .nav-toggle { display: inline-flex; }
    .article-sidebar { position: static; }
}
@media (max-width: 640px) {
    .card-grid, .card-grid.three { grid-template-columns: 1fr; }
    .newsletter-form { flex-direction: column; }
    .newsletter-form button { padding: 14px; }
    .hero-section { padding: 46px 0; }
}
.header-actions { display: flex; align-items: center; gap: 8px; }
.language-chip { border: 1px solid var(--itx-line); border-radius: 999px; padding: 7px 10px; font-size: 12px; font-weight: 900; color: var(--itx-slate); background: var(--itx-white); }
.language-chip:hover { background: var(--itx-accent-soft); color: var(--itx-accent); }
@media (max-width: 900px) { .header-actions { margin-left: auto; } }

/* v1.2 enhancements */
/* v1.5 adds launch-ready brand and readiness blocks. */
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.itx-button { display: inline-flex; align-items: center; justify-content: center; background: var(--itx-accent); color: var(--itx-white); border-radius: 999px; padding: 12px 18px; font-weight: 900; font-size: 14px; }
.itx-button:hover { color: var(--itx-white); filter: brightness(1.08); }
.itx-button.secondary { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.24); }
.top-label { width: max-content; color: #93c5fd; font-size: 12px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 12px; }
.market-radar { background: var(--itx-black); color: var(--itx-white); border-top: 1px solid rgba(255,255,255,.1); }
.radar-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: rgba(255,255,255,.12); }
.radar-card { background: var(--itx-black); padding: 24px; min-height: 136px; }
.radar-card span { color: #93c5fd; font-weight: 900; text-transform: uppercase; letter-spacing: .1em; font-size: 12px; }
.radar-card p { margin: 10px 0 0; color: #cbd5e1; }
.empty-state { background: var(--itx-white); border: 1px dashed var(--itx-line); border-radius: 18px; padding: 28px; color: var(--itx-muted); }
.article-kickers { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.article-type-pill, .sponsor-pill { display: inline-flex; align-items: center; width: max-content; border-radius: 999px; padding: 5px 10px; font-size: 11px; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.article-type-pill { background: #eef2ff; color: #3730a3; }
.sponsor-pill { background: #fef3c7; color: #92400e; }
.article-subheadline { margin: -4px 0 18px; max-width: 880px; color: var(--itx-slate); font-size: 22px; line-height: 1.45; }
.article-intel-list { margin: 0; padding-left: 20px; }
.article-intel-list li { margin: 8px 0; }
.related-section { padding-top: 10px; }
.itx-newsletter-signup { display: grid; grid-template-columns: minmax(0, 1fr) minmax(220px, .7fr) auto; gap: 12px; align-items: center; background: rgba(255,255,255,.08); padding: 14px; border-radius: 18px; border: 1px solid rgba(255,255,255,.18); }
.itx-newsletter-copy { display: none; }
.itx-newsletter-signup input { border: 0; padding: 14px 16px; border-radius: 12px; min-width: 0; }
.itx-newsletter-signup button { border: 0; background: var(--itx-accent); color: var(--itx-white); border-radius: 12px; padding: 14px 18px; font-weight: 900; cursor: pointer; }
.itx-newsletter-message { grid-column: 1 / -1; margin: 0; color: #bfdbfe; font-size: 13px; }
.itx-editorial-checklist { border-left: 4px solid var(--itx-accent); background: #f8fafc; padding: 18px 22px; margin-bottom: 28px; font-family: var(--itx-sans); font-size: 15px; }
@media (max-width: 900px) {
    .radar-grid, .itx-newsletter-signup { grid-template-columns: 1fr; }
    .article-subheadline { font-size: 19px; }
}

/* v1.5 launch-ready brand system */
.site-logo-lockup { display: inline-flex; align-items: center; text-decoration: none; }
.site-logo-lockup img { display: block; width: min(210px, 52vw); height: auto; border-radius: 10px; }
.launch-panel {
    background: #f8fafc;
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
    padding: 44px 0;
}
.launch-panel .launch-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 18px;
    align-items: stretch;
}
.launch-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, .06);
}
.launch-card strong { display: block; color: #0f172a; font-size: 18px; margin-bottom: 8px; }
.launch-card p { margin: 0; color: #475569; }
@media (max-width: 900px) {
    .launch-panel .launch-grid { grid-template-columns: 1fr; }
}

/* v1.5 staging visual system */
.visual-intelligence-panel { background: #f8fafc; padding: 54px 0; border-top: 1px solid var(--itx-line); border-bottom: 1px solid var(--itx-line); }
.visual-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.visual-card { margin: 0; background: #fff; border: 1px solid var(--itx-line); border-radius: 18px; overflow: hidden; box-shadow: 0 12px 28px rgba(15, 23, 42, .06); }
.visual-card img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.visual-card figcaption { padding: 14px 16px; font-size: 13px; font-weight: 900; color: var(--itx-slate); text-transform: uppercase; letter-spacing: .06em; }
@media (max-width: 1100px) { .visual-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .visual-grid { grid-template-columns: 1fr; } }


/* v1.5 launch-candidate refinements */
.visual-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.production-badge { display: inline-flex; border: 1px solid rgba(147,197,253,.35); color: #bfdbfe; border-radius: 999px; padding: 6px 10px; font-size: 11px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.launch-card:first-child { background: linear-gradient(135deg, #0f172a 0%, #111827 100%); color: #fff; }
.launch-card:first-child strong { color: #fff; }
.launch-card:first-child p { color: #cbd5e1; }
@media (max-width: 1100px) { .visual-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .visual-grid { grid-template-columns: 1fr; } }

/* v1.6 production final refinements */
.production-badge{display:inline-flex;gap:.4rem;align-items:center;border:1px solid rgba(94,234,212,.35);border-radius:999px;padding:.35rem .65rem;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;color:#5eead4;background:rgba(15,23,42,.55)}
.visual-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));}