/* Styles used only by Z-Blog fallback pages, never by fidelity layouts. */
/* === ZSite dynamic content integration === */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 3000;
  padding: 10px 16px;
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-primary);
  box-shadow: var(--shadow);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.ad-slot:empty { display: none; }

.logo-image {
  display: block;
  width: auto;
  max-width: 180px;
  height: 38px;
  object-fit: contain;
}
.footer-logo { color: #fff; }
.footer-logo .logo-image { filter: brightness(0) invert(1); }
.main-nav > div { display: flex; align-items: center; }
.main-nav > .is-current-ancestor > .nav-item { color: var(--color-primary); font-weight: 600; }

.breadcrumb ol {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.breadcrumb li { display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb li:not(:last-child)::after {
  content: "/";
  color: rgba(255,255,255,0.35);
}
.bluevideo-page-shell > .breadcrumb,
.bluevideo-sitemap-head > .breadcrumb {
  max-width: var(--container);
  margin: 0 auto 22px;
  padding: 0 24px;
  color: var(--color-text-light);
}
.bluevideo-page-shell > .breadcrumb a,
.bluevideo-sitemap-head > .breadcrumb a { color: var(--color-text-light); }
.bluevideo-page-shell > .breadcrumb a:hover,
.bluevideo-sitemap-head > .breadcrumb a:hover { color: var(--color-primary); }
.bluevideo-page-shell > .breadcrumb li:not(:last-child)::after,
.bluevideo-sitemap-head > .breadcrumb li:not(:last-child)::after { color: var(--color-border-hover); }

.hero-label,
.section-kicker,
.page-kicker,
.section-label {
  display: inline-flex;
  align-items: center;
  margin-bottom: 14px;
  color: var(--color-accent);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero-label {
  padding: 6px 12px;
  border: 1px solid rgba(34,211,238,.3);
  border-radius: 999px;
  background: rgba(6,182,212,.08);
}
.hero-without-media .hero-inner {
  grid-template-columns: minmax(0, 760px);
  justify-content: center;
  text-align: center;
}
.hero-without-media .hero-buttons { justify-content: center; }
.hero-badge { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.section-action { margin-top: 34px; text-align: center; }
.about-preview.without-media {
  grid-template-columns: minmax(0, 780px);
  justify-content: center;
  text-align: center;
}
.download-cta-inner.without-media {
  grid-template-columns: minmax(0, 760px);
  justify-content: center;
  text-align: center;
}
.download-cta-inner.without-media .download-btns { justify-content: center; }
.bluevideo-news-grid { display: flex; flex-direction: column; gap: 20px; }
.home-product-grid,
.home-news-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.home-product-grid .product-card-enhanced {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  min-height: 174px;
}
.home-product-grid .product-card-enhanced .card-img {
  height: 100%;
  min-height: 174px;
}
.home-product-grid .product-card-enhanced .card-body {
  min-width: 0;
  padding: 20px;
}
.home-news-grid .news-list-item {
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 16px;
  margin: 0;
  padding: 16px;
}
.home-news-grid .news-list-item .news-thumb {
  height: 118px;
}
.home-product-grid .product-card-enhanced p,
.home-news-grid .news-list-item .news-body > p {
  -webkit-line-clamp: 3;
  line-clamp: 3;
}
.home-product-grid .product-card-enhanced.without-media,
.home-news-grid .news-list-item.without-media {
  grid-template-columns: 1fr;
}
.news-list-item.without-media { grid-template-columns: 1fr; }
.news-meta { color: var(--color-text-light); font-size: .8rem; }
.news-tag { display: inline-flex; }

.bluevideo-archive-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}
.bluevideo-archive-grid .news-list-item {
  grid-template-columns: 1fr;
  margin: 0;
}
.bluevideo-archive-grid .news-list-item .news-thumb { height: 190px; }
.empty-state {
  grid-column: 1 / -1;
  padding: 50px 24px;
  border: 1px dashed var(--color-border-hover);
  border-radius: var(--radius-lg);
  background: var(--color-bg-alt);
  text-align: center;
}
.pagebar {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 38px;
}
.pagebar .page {
  min-width: 38px;
  padding: 8px 11px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
}
.pagebar .page:hover,
.pagebar .now-page {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}

.bluevideo-page-shell {
  padding: 104px 0 88px;
  background: linear-gradient(180deg, var(--color-bg-alt), #fff 360px);
}
.bluevideo-page-shell > :not(.breadcrumb),
.bluevideo-sitemap > :not(.breadcrumb) {
  width: min(calc(100% - 48px), var(--container));
  margin-right: auto;
  margin-left: auto;
}
.bluevideo-page-shell .contact-layout,
.bluevideo-page-shell .download-hero {
  display: block;
  max-width: none;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  text-align: left;
}
.bluevideo-page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  gap: 52px;
  align-items: center;
  min-height: 420px;
  padding: 52px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 88% 20%, rgba(6,182,212,.18), transparent 34%),
    linear-gradient(135deg, var(--color-bg-dark), #1e3a5f);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.bluevideo-page-hero:not(:has(.bluevideo-page-media)) {
  grid-template-columns: minmax(0, 800px);
  justify-content: center;
  text-align: center;
}
.bluevideo-page-heading h1 { color: #fff; margin-bottom: 18px; }
.bluevideo-page-heading p {
  max-width: 680px;
  color: rgba(255,255,255,.72);
  font-size: 1.03rem;
}
.page-cta,
.download-primary,
.bluevideo-product-actions a,
.bluevideo-faq-next-step a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  padding: 12px 24px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: #fff;
  font-weight: 650;
  box-shadow: 0 4px 16px rgba(26,86,219,.25);
}
.bluevideo-page-media {
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 24px 60px rgba(2,6,23,.34);
}
.bluevideo-page-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.bluevideo-page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 42px;
  align-items: start;
  margin-top: 54px;
}
.bluevideo-page-layout:has(> :only-child) { grid-template-columns: minmax(0, 820px); justify-content: center; }
.bluevideo-page-content {
  padding: 36px 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.bluevideo-page-support {
  position: sticky;
  top: 92px;
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.bluevideo-page-support > span,
.bluevideo-page-support div > span {
  display: block;
  margin-bottom: 6px;
  color: var(--color-text-light);
  font-size: .78rem;
}
.bluevideo-page-support div + div { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--color-border); }
.bluevideo-page-support ol { display: grid; gap: 10px; margin-top: 16px; }
.bluevideo-page-support a { color: var(--color-primary); }
.bluevideo-page-sections,
.home-ai-modules,
.archive-sections { margin-top: 56px; }
.bluevideo-product-actions,
.bluevideo-faq-next-step,
.bluevideo-document-update,
.bluevideo-legal-update {
  margin-top: 28px;
  text-align: right;
  color: var(--color-text-light);
}

.ai-section {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
  padding: 64px 0;
}
.bluevideo-page-sections .ai-section,
.home-ai-modules .ai-section,
.archive-sections .ai-section { width: min(calc(100% - 48px), var(--container)); }
.ai-section > header,
.ai-section > h2,
.ai-section > p { max-width: 760px; margin-right: auto; margin-left: auto; text-align: center; }
.ai-section > header { margin-bottom: 34px; }
.ai-section > h2 { margin-bottom: 12px; }
.ai-section > p,
.ai-section > header p { color: var(--color-text-light); }
.ai-section-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.ai-section-card-grid article,
.ai-section-advantages li,
.ai-section-steps li,
.ai-section-faq dl > div {
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.ai-section-card-grid picture { display: block; margin: -26px -26px 22px; overflow: hidden; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.ai-section-card-grid img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.ai-section-card-grid h3 { margin-bottom: 10px; }
.ai-section-card-grid a { display: inline-block; margin-top: 14px; color: var(--color-primary); font-weight: 600; }
.ai-section-advantages ul,
.ai-section-steps ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.ai-section-advantages li strong,
.ai-section-steps li strong { display: block; margin-bottom: 8px; color: var(--color-text-heading); }
.ai-section-advantages li span,
.ai-section-steps li span { color: var(--color-text-light); }
.ai-section-faq dl { display: grid; gap: 12px; max-width: 860px; margin: 30px auto 0; }
.ai-section-faq dt { color: var(--color-text-heading); font-weight: 650; }
.ai-section-faq dd { margin-top: 8px; color: var(--color-text-light); }
.ai-section-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  padding: 42px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-bg-dark), var(--color-primary-dark));
  color: rgba(255,255,255,.76);
}
.ai-section-contact h2 { color: #fff; }
.ai-section-contact ul { display: flex; flex-wrap: wrap; gap: 10px; }
.ai-section-contact li { padding: 8px 14px; border: 1px solid rgba(255,255,255,.15); border-radius: 999px; }
.ai-section-editorial {
  max-width: 860px;
  padding: 42px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-bg-alt);
}
.ai-section-editorial ul { display: grid; gap: 10px; margin-top: 20px; }

.ai-internal-links {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto 72px;
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-alt);
}
.ai-internal-links h2 { margin-bottom: 18px; font-size: 1.1rem; }
.ai-internal-links ul { display: flex; flex-wrap: wrap; gap: 10px; }
.ai-internal-links a {
  display: inline-flex;
  padding: 7px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: #fff;
  color: var(--color-primary);
  font-size: .85rem;
}

.bluevideo-single-stage .article-content { max-width: none; }
.article-page-header .article-meta { margin: 18px 0 0; color: rgba(255,255,255,.65); }
.article-page-header .article-meta a { color: rgba(255,255,255,.82); }
.article-container { max-width: 1000px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 40px; align-items: start; }
.article-aside {
  position: sticky;
  top: 92px;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-alt);
}
.article-aside ol { display: grid; gap: 8px; margin-top: 14px; }
.article-aside .level-3 { padding-left: 12px; }
.article-aside a { color: var(--color-text-light); font-size: .85rem; }
.article-recommended-reading {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}
.article-recommended-reading li {
  line-height: 1.5;
}
.article-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--color-border); }
.article-nav a span { display: block; margin-bottom: 5px; color: var(--color-text-light); font-size: .78rem; }
.article-nav a strong { color: var(--color-text-heading); font-size: .92rem; }
.news-card-image { display: block; overflow: hidden; }
.news-card-image img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.news-card-content { padding: 22px; }
.news-card-content h3 { margin: 9px 0; }
.news-category { color: var(--color-primary); font-size: .78rem; font-weight: 650; }
.news-card-content time { color: var(--color-text-light); font-size: .8rem; }

.search-shell { max-width: 760px; }
.search-form input {
  min-width: 0;
  padding: 13px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
}
.search-form input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-bg); }
.search-results { max-width: none; }
.search-result-card {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}
.search-result-card h2 { margin: 8px 0; font-size: 1.18rem; }
.search-result-card > p { color: var(--color-text-light); }
.error-card { max-width: 680px; margin: 0 auto; }
.error-page h1 { font-size: clamp(2rem, 5vw, 3rem); -webkit-text-fill-color: currentColor; background: none; }

.bluevideo-sitemap {
  padding: 112px 0 88px;
  background: linear-gradient(180deg, var(--color-bg-alt), #fff 360px);
}
.bluevideo-sitemap-head {
  padding: 46px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-bg-dark), #1e3a5f);
  color: rgba(255,255,255,.72);
}
.bluevideo-sitemap-head .breadcrumb { padding: 0; color: rgba(255,255,255,.6); }
.bluevideo-sitemap-head .breadcrumb a { color: rgba(255,255,255,.72); }
.bluevideo-sitemap-head h1 { margin: 10px 0 12px; color: #fff; }
.bluevideo-sitemap-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 36px; }
.bluevideo-sitemap-grid section { padding: 26px; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: #fff; }
.bluevideo-sitemap-grid h2 { margin-bottom: 14px; font-size: 1.08rem; }
.bluevideo-sitemap-grid ul { display: grid; gap: 8px; }
.bluevideo-sitemap-grid a:hover { color: var(--color-primary); }
.bluevideo-sitemap-notes { max-width: 860px; margin-top: 40px; }

.comments {
  margin: 36px auto 72px;
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.comment { padding: 18px 0; border-bottom: 1px solid var(--color-border); }
.comment-form input,
.comment-form textarea { width: 100%; padding: 12px; border: 1px solid var(--color-border); border-radius: var(--radius); }
.comment-form textarea { min-height: 130px; }

@media (max-width: 1024px) {
  .home-product-grid,
  .home-news-grid { grid-template-columns: 1fr; }
  .bluevideo-archive-grid,
  .ai-section-card-grid,
  .ai-section-advantages ul,
  .ai-section-steps ol,
  .bluevideo-sitemap-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bluevideo-page-layout { grid-template-columns: minmax(0, 1fr) 260px; }
}

@media (max-width: 768px) {
  .home-product-grid .product-card-enhanced,
  .home-news-grid .news-list-item {
    grid-template-columns: 112px minmax(0, 1fr);
  }
  .home-product-grid .product-card-enhanced.without-media,
  .home-news-grid .news-list-item.without-media {
    grid-template-columns: 1fr;
  }
  .home-product-grid .product-card-enhanced .card-img,
  .home-news-grid .news-list-item .news-thumb {
    min-height: 118px;
    height: 100%;
  }
  .home-product-grid .product-card-enhanced .card-body,
  .home-news-grid .news-list-item { padding: 14px; }
  .main-nav > div { width: 100%; display: block; }
  .main-nav .nav-item { display: block; width: 100%; }
  .bluevideo-page-shell { padding-top: 92px; }
  .bluevideo-page-shell > :not(.breadcrumb),
  .bluevideo-sitemap > :not(.breadcrumb),
  .ai-section,
  .ai-internal-links { width: min(calc(100% - 32px), var(--container)); }
  .bluevideo-page-hero {
    grid-template-columns: 1fr;
    gap: 32px;
    min-height: 0;
    padding: 34px 24px;
  }
  .bluevideo-page-layout,
  .article-layout { grid-template-columns: 1fr; gap: 26px; }
  .bluevideo-page-support,
  .article-aside { position: static; }
  .bluevideo-page-content { padding: 28px 22px; }
  .bluevideo-archive-grid,
  .ai-section-card-grid,
  .ai-section-advantages ul,
  .ai-section-steps ol,
  .bluevideo-sitemap-grid { grid-template-columns: 1fr; }
  .ai-section-contact { grid-template-columns: 1fr; padding: 30px 24px; }
  .article-meta { flex-wrap: wrap; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 14px; }
}