/* ==========================================================================
   YLHH Tools — Professional Industrial Theme
   ========================================================================== */

:root {
  --color-primary: #1f4e79;
  --color-primary-dark: #163a5c;
  --color-primary-light: #2a6ba8;
  --color-accent: #c9a227;
  --color-accent-light: #e8c547;
  --color-dark: #0f172a;
  --color-text: #334155;
  --color-text-light: #64748b;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0f172a;
  --color-surface: #ffffff;
  --color-header-bg: rgba(255, 255, 255, 0.95);
  --color-input-bg: #ffffff;
  --color-gallery-bg: #ffffff;
  --color-border: #e2e8f0;
  --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 20px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.15);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.25s ease;
  --container: 1200px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.lang-zh body, .lang-zh { font-family: 'Noto Sans SC', 'Inter', sans-serif; }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.site-header.scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-dark);
}

.logo-link:hover { color: var(--color-dark); }

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  border-radius: var(--radius);
  flex-shrink: 0;
}

.site-logo-img {
  height: 44px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.site-logo-img--footer {
  height: 36px;
  max-width: 180px;
  object-fit: contain;
}

/* Footer is always on a dark surface — show logo as white */
.site-footer .site-logo-img {
  filter: brightness(0) invert(1);
}

.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong { font-size: 1.1rem; font-weight: 700; }
.logo-text small { font-size: 0.7rem; color: var(--color-text-light); font-weight: 400; }

.main-nav { flex: 1; display: flex; justify-content: center; }

.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-menu a {
  display: block;
  padding: 8px 16px;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.nav-menu a:hover,
.nav-menu .current-menu-item > a,
.nav-menu .current_page_item > a,
.nav-menu .current-menu-ancestor > a {
  color: var(--color-primary);
  background: rgba(31, 78, 121, 0.06);
}

.nav-menu .menu-item-has-children { position: relative; }

.nav-menu .sub-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 200px;
  list-style: none;
  margin: 0;
  padding: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  z-index: 100;
}

.nav-menu .sub-menu a {
  white-space: nowrap;
}

.nav-menu .menu-item-has-children:hover > .sub-menu,
.nav-menu .menu-item-has-children:focus-within > .sub-menu {
  display: block;
}

.nav-menu .sub-menu .sub-menu {
  top: 0;
  left: calc(100% + 4px);
}

.header-actions { display: flex; align-items: center; gap: 12px; }

.lang-switcher-pills {
  display: flex;
  gap: 4px;
  background: var(--color-bg-alt);
  padding: 4px;
  border-radius: var(--radius);
}

.lang-btn {
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-light);
  border-radius: 4px;
  transition: all var(--transition);
}

.lang-btn:hover { color: var(--color-primary); }
.lang-btn.active { background: var(--color-primary); color: #fff; }

/* Mobile language dropdown */
.lang-dropdown {
  display: none;
  position: relative;
}

.lang-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 52px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-alt);
  color: var(--color-text);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.lang-dropdown-toggle:hover,
.lang-dropdown-toggle[aria-expanded="true"] {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.lang-dropdown-caret {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform var(--transition);
}

.lang-dropdown-toggle[aria-expanded="true"] .lang-dropdown-caret {
  transform: rotate(180deg);
}

.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 1100;
  min-width: 148px;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.lang-dropdown-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--color-text);
  font-size: 0.85rem;
  transition: background var(--transition), color var(--transition);
}

.lang-dropdown-option:hover {
  background: rgba(31, 78, 121, 0.08);
  color: var(--color-primary);
}

.lang-dropdown-option.is-active {
  background: rgba(31, 78, 121, 0.12);
  color: var(--color-primary);
  font-weight: 600;
}

.lang-dropdown-code {
  min-width: 1.6em;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.lang-dropdown-label {
  font-size: 0.82rem;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-dark);
  transition: var(--transition);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover { background: var(--color-primary); color: #fff; }

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}

.btn-outline:hover { background: rgba(255,255,255,0.15); color: #fff; border-color: #fff; }

.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* Hero */
.hero {
  position: relative;
  min-height: 560px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg-dark);
  color: #fff;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(31, 78, 121, 0.4) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(201, 162, 39, 0.15) 0%, transparent 50%),
    linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 80px 24px 80px max(24px, calc((100vw - var(--container)) / 2 + 24px));
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(201, 162, 39, 0.2);
  border: 1px solid rgba(201, 162, 39, 0.4);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent-light);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.hero-visual-custom {
  width: 100%;
  max-width: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual-img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  background: rgba(255, 255, 255, 0.04);
}

.hero-insert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  transform: rotate(-5deg);
}

.insert-card {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: transform 0.4s ease;
}

.insert-card:hover { transform: scale(1.05) rotate(2deg); }

.insert-diamond {
  background: linear-gradient(135deg, #334155 0%, #1e293b 50%, #c9a227 100%);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  border-radius: 0;
}

.insert-round {
  background: linear-gradient(135deg, #475569 0%, #1e293b 60%, #94a3b8 100%);
  border-radius: 50%;
  grid-row: span 2;
  align-self: center;
  width: 160px;
  height: 160px;
}

.insert-square {
  background: linear-gradient(135deg, #1f4e79 0%, #0f172a 50%, #64748b 100%);
  border-radius: var(--radius);
}

/* Stats */
.stats-bar {
  background: var(--color-primary);
  color: #fff;
  padding: 32px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
  gap: 24px;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent-light);
}

.stat-label {
  font-size: 0.85rem;
  opacity: 0.85;
  margin-top: 4px;
}

/* Sections */
.section { padding: 80px 0; }
.section:nth-child(even) { background: var(--color-bg-alt); }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section-header p { color: var(--color-text-light); font-size: 1.05rem; }

.section-cta { text-align: center; margin-top: 40px; }

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.product-card-link { display: block; color: inherit; }
.product-card-link:hover { color: inherit; }

.product-card-image {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.product-card-image img { width: 100%; height: 100%; object-fit: cover; }

.product-placeholder {
  width: 80px;
  height: 80px;
}

.product-card-body { padding: 24px; }

.product-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.product-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 8px;
  line-height: 1.4;
}

.product-model {
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-family: 'Courier New', monospace;
  margin-bottom: 4px;
}

.product-grade {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 500;
}

.product-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* Tech Grid */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tech-card {
  background: var(--color-surface);
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition);
}

.tech-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

/* Linear icons */
.ylhh-icon {
  display: block;
  flex-shrink: 0;
}

.ylhh-icon--inline {
  display: inline-block;
  vertical-align: -0.2em;
}

.ylhh-icon--sm { width: 18px; height: 18px; }
.ylhh-icon--md { width: 24px; height: 24px; }
.ylhh-icon--lg { width: 32px; height: 32px; }

.has-icon,
.product-link,
.read-more,
.about-link,
.contact-quick-link,
.btn.has-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tech-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: var(--radius-lg);
  background: rgba(31, 78, 121, 0.08);
  color: var(--color-primary);
}

.tech-icon .ylhh-icon {
  width: 28px;
  height: 28px;
}

.tech-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.tech-card p { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.6; }

/* Applications */
.app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.app-card {
  background: var(--color-primary);
  color: #fff;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform var(--transition);
}

.app-card:hover { transform: translateY(-4px); }

.app-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.app-icon .ylhh-icon {
  width: 26px;
  height: 26px;
}
.app-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.app-card p { font-size: 0.85rem; opacity: 0.7; }

/* News */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.news-grid-full { grid-template-columns: 1fr; max-width: 800px; margin: 0 auto; }

.news-card {
  background: var(--color-surface);
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.news-card:hover { box-shadow: var(--shadow-md); }

.news-card time {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.news-card h2, .news-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 8px 0 12px;
  line-height: 1.4;
}

.news-card h2 a, .news-card h3 a { color: var(--color-dark); }
.news-card h2 a:hover, .news-card h3 a:hover { color: var(--color-primary); }

.news-card p { font-size: 0.9rem; color: var(--color-text-light); margin-bottom: 12px; }

.read-more { font-size: 0.85rem; font-weight: 600; }

/* CTA Banner */
.section-cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  text-align: center;
  padding: 80px 0;
}

.section-cta-banner h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-cta-banner p {
  opacity: 0.85;
  max-width: 560px;
  margin: 0 auto 32px;
}

.section-cta-banner .btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-dark);
}

.section-cta-banner .btn-primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
}

/* Page Hero */
.page-hero {
  background: var(--color-bg-dark);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

.page-hero-sm { padding: 56px 0; }

.page-hero h1 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-hero p { opacity: 0.75; margin-top: 12px; max-width: 600px; margin-left: auto; margin-right: auto; }

.post-date { font-size: 0.85rem; opacity: 0.6; display: block; margin-bottom: 8px; }

/* Page Content */
.page-content, .entry-content {
  max-width: 800px;
  margin: 0 auto;
}

.entry-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark);
  margin: 32px 0 16px;
}

.entry-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 24px 0 12px;
}

.entry-content p { margin-bottom: 16px; line-height: 1.75; }

.entry-content ul, .entry-content ol { margin: 0 0 16px 24px; }
.entry-content li { margin-bottom: 8px; }

.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

.entry-content th, .entry-content td {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.entry-content th { background: var(--color-bg-alt); font-weight: 600; }

/* Table scroll wrapper (desktop fallback / non-tech pages) */
.table-scroll {
  width: 100%;
  max-width: 100%;
  margin: 24px 0;
}

.tech-data-table {
  width: 100%;
  border-collapse: collapse;
}

/* Mobile: horizontal scroll for generic wide tables */
@media (max-width: 768px) {
  .table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    scrollbar-width: thin;
    scrollbar-color: rgba(31, 78, 121, 0.35) transparent;
  }

  .entry-content table:not(.tech-data-table) {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    margin: 20px 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(31, 78, 121, 0.35) transparent;
  }

  .entry-content table:not(.tech-data-table) thead,
  .entry-content table:not(.tech-data-table) tbody,
  .entry-content table:not(.tech-data-table) tfoot {
    display: table;
    width: max-content;
    min-width: 100%;
  }

  .entry-content table:not(.tech-data-table) th,
  .entry-content table:not(.tech-data-table) td {
    padding: 10px 12px;
    font-size: 0.85rem;
    white-space: nowrap;
  }

  .entry-content table:not(.tech-data-table) th:first-child,
  .entry-content table:not(.tech-data-table) td:first-child {
    position: sticky;
    left: 0;
    z-index: 1;
    background: var(--color-surface);
    box-shadow: 2px 0 6px -2px rgba(0, 0, 0, 0.08);
  }

  .entry-content table:not(.tech-data-table) th:first-child {
    background: var(--color-bg-alt);
  }

  .entry-content table:not(.tech-data-table) tr:nth-child(even) td:first-child {
    background: var(--color-bg-alt);
  }

  /* Technology / About pages: stack tables as labeled cards */
  .page-technology .table-scroll,
  .page-about .table-scroll {
    overflow: visible;
    border: none;
    margin: 16px 0 24px;
  }

  .page-technology .tech-data-table,
  .page-about .tech-data-table {
    display: block;
    width: 100%;
    border: none;
    margin: 0;
  }

  .page-technology .tech-data-table thead,
  .page-about .tech-data-table thead {
    display: none;
  }

  .page-technology .tech-data-table tbody,
  .page-about .tech-data-table tbody {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .page-technology .tech-data-table tr,
  .page-about .tech-data-table tr {
    display: block;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 4px 14px;
    box-shadow: var(--shadow-sm);
  }

  .page-technology .tech-data-table td,
  .page-about .tech-data-table td {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border: none;
    border-bottom: 1px dashed var(--color-border);
    white-space: normal;
    word-break: break-word;
    font-size: 0.85rem;
    line-height: 1.55;
    text-align: right;
  }

  .page-technology .tech-data-table td:last-child,
  .page-about .tech-data-table td:last-child {
    border-bottom: none;
  }

  .page-technology .tech-data-table td::before,
  .page-about .tech-data-table td::before {
    content: attr(data-label);
    flex: 0 0 38%;
    max-width: 120px;
    font-weight: 600;
    color: var(--color-primary);
    font-size: 0.76rem;
    text-align: left;
    line-height: 1.45;
  }

  .page-technology .tech-data-table td:first-child,
  .page-about .tech-data-table td:first-child {
    position: static;
    box-shadow: none;
    background: transparent;
    font-weight: 600;
    color: var(--color-dark);
  }
}

/* Rich page / news content */
.entry-content .about-lead,
.entry-content .news-lead {
  font-size: 1.08rem;
  color: var(--color-text);
  line-height: 1.85;
  margin-bottom: 28px;
}

.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 28px 0 36px;
}

.about-stat {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  text-align: center;
}

.about-stat strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 6px;
}

.about-stat span {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.4;
}

.about-highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 20px 0 28px;
}

.about-highlight {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.about-highlight h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin: 0 0 8px;
}

.about-highlight p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin: 0;
  line-height: 1.65;
}

.about-link {
  font-weight: 600;
  color: var(--color-primary);
}

.about-link:hover { color: var(--color-accent); }

.about-cta {
  margin-top: 40px;
  padding: 32px;
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.about-cta p { margin-bottom: 16px; }

.tech-compare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0 32px;
}

.tech-compare-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.tech-compare-card.is-positive {
  background: linear-gradient(135deg, rgba(31, 78, 121, 0.06) 0%, var(--color-surface) 100%);
  border-color: rgba(31, 78, 121, 0.25);
}

.tech-compare-card h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin: 0 0 12px;
}

.tech-compare-card.is-positive h4 { color: var(--color-primary); }

.tech-compare-card ul {
  margin: 0;
  padding-left: 18px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.65;
}

.tech-compare-card li { margin-bottom: 6px; }

/* Product Detail */
.product-detail {
  position: relative;
  padding-bottom: 48px;
}

.product-detail-hero-bg {
  position: absolute;
  inset: 0 0 auto 0;
  height: 420px;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-surface) 100%);
  border-bottom: 1px solid var(--color-border);
  pointer-events: none;
}

.product-detail-inner {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-bottom: 36px;
  padding-top: 28px;
}

.breadcrumb a {
  color: var(--color-text-light);
  transition: color var(--transition);
}

.breadcrumb a:hover { color: var(--color-primary); }

.breadcrumb-sep { opacity: 0.45; user-select: none; }
.breadcrumb-current { color: var(--color-dark); font-weight: 500; }

.product-detail-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: start;
  margin-bottom: 56px;
}

/* Gallery */
.product-gallery { position: sticky; top: 96px; }

.product-gallery-slider {
  width: 100%;
}

.product-gallery-frame {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.06);
  position: relative;
}

.gallery-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.gallery-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  background: var(--color-surface);
}

.gallery-slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.product-gallery-img,
.product-gallery-frame img,
.gallery-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 28px;
  background: var(--color-surface);
  display: block;
}

.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: var(--color-header-bg);
  color: var(--color-dark);
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
  transition: background var(--transition), color var(--transition), transform var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.gallery-nav .ylhh-icon {
  width: 20px;
  height: 20px;
}

.gallery-nav:hover {
  background: var(--color-primary);
  color: #fff;
}

.gallery-prev { left: 12px; }
.gallery-next { right: 12px; }

.gallery-counter {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 3;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(15, 23, 42, 0.65);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.gallery-thumbs {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.gallery-thumb {
  flex: 0 0 72px;
  width: 72px;
  height: 72px;
  padding: 0;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.gallery-thumb.is-active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(31, 78, 121, 0.15);
}

.gallery-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
  display: block;
}

.product-placeholder-lg {
  width: 200px;
  height: 200px;
  position: relative;
  z-index: 1;
}

.product-gallery-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.product-badge {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 20px;
  background: var(--color-primary);
  color: #fff;
}

.product-badge-accent {
  background: var(--color-accent);
  color: var(--color-dark);
}

.product-badge-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

/* Summary */
.product-summary {
  padding-top: 8px;
}

.product-detail-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--color-dark);
  margin: 10px 0 8px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.product-model-code {
  font-family: 'Courier New', Consolas, monospace;
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 16px;
  padding: 8px 14px;
  background: rgba(31, 78, 121, 0.06);
  border-radius: var(--radius);
  display: inline-block;
  border-left: 3px solid var(--color-accent);
}

.product-lead {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-text);
  margin-bottom: 28px;
}

.product-key-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.key-spec-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 14px;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.key-spec-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.key-spec-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  margin-bottom: 6px;
}

.key-spec-value {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-dark);
  font-family: 'Courier New', Consolas, monospace;
  word-break: break-all;
}

/* Inquiry box */
.product-inquiry-box {
  display: flex;
  gap: 20px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
}

.inquiry-box-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.inquiry-box-icon .ylhh-icon {
  width: 22px;
  height: 22px;
}

.inquiry-box-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.inquiry-box-body p {
  font-size: 0.88rem;
  opacity: 0.88;
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-inquiry-box .btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-dark);
  width: 100%;
  max-width: 280px;
}

.product-inquiry-box .btn-primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  color: var(--color-dark);
}

.inquiry-notice {
  font-size: 0.75rem;
  opacity: 0.75;
  margin-top: 12px;
  font-style: italic;
}

/* Detail body panels */
.product-detail-body {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: start;
}

.product-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  box-shadow: var(--shadow-sm);
}

.product-panel-desc {
  grid-column: 1 / -1;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-bg-alt);
}

.panel-icon {
  width: 36px;
  height: 36px;
  background: rgba(31, 78, 121, 0.08);
  color: var(--color-primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-icon .ylhh-icon {
  width: 20px;
  height: 20px;
}

.panel-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark);
  margin: 0;
}

.specs-card { overflow: hidden; border-radius: var(--radius); }

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table tr:nth-child(even) { background: var(--color-bg-alt); }

.specs-table th,
.specs-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.specs-table tr:last-child th,
.specs-table tr:last-child td { border-bottom: none; }

.specs-table th {
  width: 38%;
  font-weight: 600;
  color: var(--color-text-light);
  background: transparent;
}

.specs-table td {
  font-weight: 500;
  color: var(--color-dark);
}

@media (max-width: 768px) {
  .specs-card {
    overflow: visible;
    border: 1px solid var(--color-border);
  }

  .specs-table {
    display: block;
    width: 100%;
  }

  .specs-table tbody {
    display: block;
  }

  .specs-table tr {
    display: block;
    padding: 12px 14px;
    border-bottom: 1px solid var(--color-border);
  }

  .specs-table tr:nth-child(even) {
    background: var(--color-bg-alt);
  }

  .specs-table tr:last-child {
    border-bottom: none;
  }

  .specs-table th,
  .specs-table td {
    display: block;
    width: 100%;
    padding: 0;
    border-bottom: none;
    font-size: 0.85rem;
  }

  .specs-table th {
    margin-bottom: 4px;
    color: var(--color-primary);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
  }

  .specs-table td {
    line-height: 1.5;
    word-break: break-word;
  }
}

.apps-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.apps-list-enhanced {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.apps-list-enhanced li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.5;
  border-left: 3px solid var(--color-primary);
  transition: background var(--transition);
}

.apps-list-enhanced li:hover {
  background: rgba(31, 78, 121, 0.06);
}

.app-check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

.app-check .ylhh-icon {
  width: 12px;
  height: 12px;
  stroke-width: 3;
}

.product-description.prose {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-text);
}

.product-description.prose h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
  margin: 24px 0 12px;
}

.product-description.prose ul {
  margin: 0 0 16px;
  padding-left: 20px;
}

.product-description.prose li {
  margin-bottom: 8px;
}

.product-description.prose p { margin-bottom: 14px; }

/* Related products */
.product-related-section {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.section-header-left {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
  max-width: none;
}

.section-header-left p {
  margin-top: 8px;
}

.product-grid-related {
  margin-top: 8px;
}

/* Product Filter */
.product-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.filter-btn {
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: all var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* Contact */
.section-contact-page {
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 280px);
}

.contact-layout { max-width: var(--container); }

.contact-page { padding-bottom: 16px; }

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 40px;
  align-items: start;
}

.contact-sidebar { position: relative; }

.contact-sidebar-inner {
  position: sticky;
  top: 96px;
}

.contact-intro-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.contact-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(31, 78, 121, 0.08);
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 20px;
  margin-bottom: 16px;
}

.contact-intro-lead {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  margin-bottom: 0;
}

.contact-manual {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.contact-manual-body {
  width: 100%;
  min-width: 0;
}

.contact-manual-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.contact-manual-body p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--color-text-light);
  margin-bottom: 14px;
}

.contact-manual-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.85rem;
}

.contact-manual-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.contact-manual-turnstile-hint {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--color-text-light);
  margin-top: 10px;
  margin-bottom: 0;
}

.ylhh-turnstile-wrap {
  margin: 16px 0 12px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
}

.ylhh-turnstile-wrap .ylhh-turnstile-widget {
  width: 100%;
  max-width: 100%;
}

.contact-form .ylhh-turnstile-wrap {
  margin-top: 4px;
  margin-bottom: 0;
}

.contact-services {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}

.contact-services h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 16px;
}

.contact-service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-service-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--color-text);
}

.contact-service-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(31, 78, 121, 0.08);
  border-radius: var(--radius);
  color: var(--color-primary);
}

.contact-service-icon .ylhh-icon {
  width: 16px;
  height: 16px;
}

.contact-cards {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.contact-card {
  display: flex;
  gap: 14px;
  padding: 18px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.contact-card:hover {
  box-shadow: var(--shadow-sm);
  border-color: rgba(31, 78, 121, 0.25);
}

.contact-card-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  color: var(--color-primary);
}

.contact-card-icon .ylhh-icon {
  width: 20px;
  height: 20px;
}

.contact-card h3 {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.contact-card p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text);
  margin: 0;
}

.contact-card a {
  color: var(--color-dark);
  font-weight: 500;
}

.contact-card a:hover { color: var(--color-primary); }

.contact-trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.contact-trust-bar span {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(31, 78, 121, 0.08);
  padding: 6px 12px;
  border-radius: 20px;
  letter-spacing: 0.02em;
}

.contact-form-wrap {
  background: var(--color-surface);
  padding: 36px 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.contact-form-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.contact-form-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.contact-form-header h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.contact-form-header p {
  font-size: 0.92rem;
  color: var(--color-text-light);
  margin: 0;
  line-height: 1.6;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group { margin-bottom: 20px; }

.contact-form-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  margin-top: 8px;
}

.contact-form-actions .ylhh-form-message {
  width: 100%;
  margin-top: 0;
}

.contact-quick-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.contact-quick-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-dark);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
}

.contact-quick-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(31, 78, 121, 0.1);
}

.ylhh-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-group .required {
  color: #dc2626;
}

.ylhh-form-message {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.5;
}

.ylhh-form-message.is-success {
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  color: #065f46;
}

.ylhh-form-message.is-error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #991b1b;
}

.form-notice {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 12px;
}

/* Footer */
.site-footer { background: var(--color-bg-dark); color: rgba(255,255,255,0.75); }

.footer-top { padding: 64px 0 48px; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: #fff;
}

.footer-logo .site-logo-img--footer {
  flex-shrink: 0;
}

.footer-logo .logo-mark { width: 36px; height: 36px; font-size: 0.65rem; }

.footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 12px; }

.footer-about-text {
  color: rgba(255, 255, 255, 0.78);
  max-width: 36em;
}

.footer-notice {
  font-size: 0.8rem;
  opacity: 0.6;
  font-style: italic;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: rgba(255,255,255,0.65); font-size: 0.9rem; }
.footer-links a:hover { color: var(--color-accent-light); }

.footer-contact { list-style: none; font-size: 0.85rem; line-height: 1.7; }
.footer-contact li { margin-bottom: 16px; }
.footer-contact strong { color: rgba(255,255,255,0.9); }
.footer-contact a { color: var(--color-accent-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  opacity: 0.6;
}

.footer-iso {
  font-weight: 600;
  color: var(--color-accent);
  opacity: 1;
}

/* Pagination */
.pagination, .nav-links {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.pagination .page-numbers, .nav-links .page-numbers {
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
}

.pagination .current, .nav-links .current {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px;
  color: var(--color-text-light);
}

.post-nav { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--color-border); }

.section-related h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 32px;
  color: var(--color-dark);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-visual { display: none; }
  .hero-content { padding: 60px 24px; }
  .tech-grid, .app-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .product-gallery { position: static; }
  .product-detail-body { grid-template-columns: 1fr; }
  .product-key-specs { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container { padding: 0 16px; }

  .header-inner { height: 64px; gap: 12px; }

  .logo-text small { display: none; }

  .site-logo-img { height: 36px; max-width: 160px; }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 16px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-menu { flex-direction: column; align-items: stretch; }

  .nav-menu .menu-item-has-children { position: static; }

  .nav-menu .sub-menu {
    position: static;
    display: block;
    min-width: 0;
    margin: 4px 0 8px;
    padding: 0 0 0 12px;
    background: transparent;
    border: none;
    border-left: 2px solid var(--color-border);
    border-radius: 0;
    box-shadow: none;
  }

  .nav-menu .sub-menu a { white-space: normal; padding: 8px 12px; }

  .mobile-toggle { display: flex; }

  .lang-switcher-pills { display: none; }

  .lang-dropdown { display: block; }

  .hero-content { padding: 48px 16px; }

  .hero-title { font-size: 1.75rem; }

  .hero-subtitle { font-size: 0.95rem; margin-bottom: 28px; }

  .hero-actions { gap: 10px; }

  .hero-actions .btn { padding: 12px 20px; font-size: 0.875rem; }

  .stats-bar { padding: 24px 0; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

  .stat-number { font-size: 1.5rem; }

  .stat-label { font-size: 0.78rem; }

  .section { padding: 48px 0; }

  .section-header { margin-bottom: 32px; }

  .section-header h2 { font-size: 1.5rem; }

  .section-header p { font-size: 0.95rem; }

  .page-content,
  .entry-content {
    max-width: 100%;
    overflow-x: clip;
  }

  .page-technology.page-content,
  .page-about.page-content {
    padding-left: 20px;
    padding-right: 20px;
  }

  .page-technology .entry-content,
  .page-about .entry-content {
    padding-left: 4px;
    padding-right: 4px;
  }

  .page-hero { padding: 48px 0; }

  .page-hero-sm { padding: 40px 0; }

  .page-hero h1 { font-size: 1.75rem; }

  .product-grid,
  .product-grid-related {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .product-card { border-radius: var(--radius); }

  .product-card:hover { transform: none; }

  .product-card-image { aspect-ratio: 1 / 1; }

  .product-card-body { padding: 12px; }

  .product-category {
    font-size: 0.65rem;
    margin-bottom: 4px;
    letter-spacing: 0.04em;
  }

  .product-card h3 {
    font-size: 0.82rem;
    margin-bottom: 4px;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .product-model {
    font-size: 0.68rem;
    margin-bottom: 2px;
    word-break: break-all;
    line-height: 1.3;
  }

  .product-grade { font-size: 0.68rem; }

  .product-link {
    margin-top: 8px;
    font-size: 0.72rem;
  }

  .tech-grid,
  .app-grid { gap: 16px; }

  .tech-card { padding: 24px 16px; }

  .news-grid { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; gap: 28px; }

  .contact-sidebar-inner { position: static; }

  .section-contact-page,
  .contact-page,
  .contact-grid,
  .contact-sidebar,
  .contact-main,
  .contact-intro-card,
  .contact-form-wrap,
  .contact-manual-body {
    min-width: 0;
    max-width: 100%;
  }

  .section-contact-page {
    overflow-x: clip;
  }

  .ylhh-turnstile-wrap iframe {
    max-width: 100% !important;
  }

  .contact-form-wrap { padding: 28px 24px; }

  .form-row { grid-template-columns: 1fr; gap: 0; }

  .contact-quick-links { grid-template-columns: 1fr; margin-top: 32px; padding-top: 28px; }

  .contact-trust-bar { gap: 6px; }

  .about-stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }

  .about-highlight-grid { grid-template-columns: 1fr; }

  .about-cta { padding: 24px 20px; }

  .tech-compare-grid { grid-template-columns: 1fr; }

  .apps-list { grid-template-columns: 1fr; }

  .product-key-specs { grid-template-columns: 1fr; }

  .product-inquiry-box { flex-direction: column; }

  .product-detail-hero-bg { height: 280px; }

  .breadcrumb { margin-bottom: 24px; padding-top: 16px; font-size: 0.75rem; }

  .product-detail-grid { gap: 24px; margin-bottom: 32px; }

  .gallery-nav {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .gallery-prev { left: 8px; }
  .gallery-next { right: 8px; }

  .gallery-thumb {
    flex: 0 0 64px;
    width: 64px;
    height: 64px;
  }

  .product-title { font-size: 1.35rem; }

  .footer-top { padding: 40px 0 28px; }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 14px;
  }

  .footer-col {
    min-width: 0;
  }

  .footer-col h4 {
    font-size: 0.76rem;
    margin-bottom: 10px;
    letter-spacing: 0.04em;
  }

  .footer-logo {
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
  }

  .footer-logo strong {
    font-size: 0.88rem;
    line-height: 1.3;
  }

  .footer-logo .site-logo-img--footer {
    height: 30px;
    max-width: 130px;
  }

  .footer-about-text {
    font-size: 0.74rem;
    line-height: 1.5;
    margin-bottom: 0;
    max-width: none;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .footer-links li {
    margin-bottom: 5px;
  }

  .footer-links a {
    font-size: 0.76rem;
    line-height: 1.45;
  }

  .footer-contact {
    font-size: 0.74rem;
    line-height: 1.5;
  }

  .footer-contact li {
    margin-bottom: 8px;
  }

  .footer-contact li:last-child {
    margin-bottom: 0;
  }

  .footer-bottom-inner { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .footer-top { padding: 32px 0 24px; }

  .footer-grid { gap: 18px 10px; }

  .footer-col h4 {
    font-size: 0.72rem;
    margin-bottom: 8px;
  }

  .footer-about-text {
    -webkit-line-clamp: 3;
    font-size: 0.7rem;
  }

  .footer-links a,
  .footer-contact { font-size: 0.72rem; }

  .logo-text strong { font-size: 0.95rem; }

  .product-grid,
  .product-grid-related { gap: 10px; }

  .product-card-body { padding: 10px; }

  .product-card h3 { font-size: 0.78rem; }

  .product-model,
  .product-grade { font-size: 0.64rem; }

  .product-link { font-size: 0.68rem; }
}