/* ==========================================================================
   FSRTEK Official Website Master Production CSS (v1.6 Design System)
   Brand Colors: FSR Blue #0072C6 | Navy #0F2444 | Tech Cyan #00A3E0 | Gray #707070
   Supports: Index (Home), Products, Technology, Applications, About Us, Contact Us
   ========================================================================== */

:root {
  --color-brand-primary: #0072C6;
  --color-brand-hover: #005FA5;
  --color-brand-dark: #0F2444;
  --color-brand-navy: #0A192F;
  --color-brand-cyan: #00A3E0;
  --color-brand-gray: #707070;
  
  --color-action-primary: #0072C6;
  --color-action-hover: #005FA5;
  --color-action-subtle: #EBF4FF;
  
  --color-status-success: #10B981;
  --color-status-warning: #F59E0B;
  --color-status-error: #EF4444;
  
  --color-bg-page: #FFFFFF;
  --color-bg-subtle: #F8FAFC;
  --color-bg-card: #FFFFFF;
  --color-border-card: #E2E8F0;
  --color-border-subtle: #F1F5F9;
  
  --color-text-heading: #0F172A;
  --color-text-body: #334155;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;
  
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-mono: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --container-max-width: 1280px;
  --radius-btn: 6px;
  --radius-card: 12px;
  --radius-tag: 4px;
  
  --shadow-card: 0 4px 12px rgba(15, 23, 42, 0.05);
  --shadow-card-hover: 0 12px 28px rgba(0, 114, 198, 0.12);
  --shadow-dropdown: 0 16px 36px rgba(15, 23, 42, 0.16);
}

/* Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family-base);
  background-color: var(--color-bg-page);
  color: var(--color-text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-brand-primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--color-brand-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-heading);
  font-weight: 700;
  line-height: 1.25;
}

.section-title-wrap {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 48px;
}

.section-tag {
  display: inline-block;
  background: var(--color-action-subtle);
  color: var(--color-brand-primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
  border: 1px solid #BAE0FF;
}

.section-title-wrap h2 {
  font-size: 32px;
  margin-bottom: 12px;
}

.section-title-wrap p {
  font-size: 16px;
  color: var(--color-text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 14.5px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background-color: var(--color-brand-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 114, 198, 0.28);
}

.btn-secondary {
  background-color: var(--color-action-subtle);
  color: var(--color-brand-primary);
  border-color: #BAE0FF;
}

.btn-secondary:hover {
  background-color: #D6E4FF;
  color: var(--color-brand-hover);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text-heading);
  border-color: var(--color-border-card);
}

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

.btn-white {
  background-color: #FFFFFF;
  color: var(--color-brand-dark);
}

.btn-white:hover {
  background-color: #F1F5F9;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

/* ==========================================================================
   Header & Fixed Navigation (Home / Products / Technology / Applications / Contact Us / About Us)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-card);
  height: 72px;
}

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

/* Official Full Logo Image Rendering */
.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo-img {
  height: 42px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
}

.logo-tagline {
  border-left: 2px solid var(--color-border-card);
  padding-left: 10px;
  font-size: 11px;
  line-height: 1.25;
  color: var(--color-text-muted);
}

.logo-tagline strong {
  color: var(--color-text-heading);
}

/* Navigation Links & Always-Active Dropdowns */
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 100%;
}

.nav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-link {
  font-size: 14.5px;
  font-weight: 500;
  color: #334155;
  padding: 4px 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  transition: color 0.2s ease;
  position: relative;
  text-decoration: none;
}

.nav-link:hover, .nav-item.active .nav-link {
  color: var(--color-brand-primary);
  font-weight: 600;
}

.nav-link span {
  position: relative;
  display: inline-block;
}

/* Close, natural active underline right beneath the text label */
.nav-item.active .nav-link span::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-brand-primary);
  border-radius: 2px;
}

/* Fallback for links without inner span */
.nav-item.active .nav-link::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-brand-primary);
  border-radius: 2px;
}
.nav-item.active .nav-link:has(span)::after {
  display: none;
}

.nav-link .dropdown-caret {
  color: #94A3B8;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s ease;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  margin-left: 1px;
}

.nav-item:hover .nav-link .dropdown-caret {
  transform: rotate(180deg);
  color: var(--color-brand-primary);
}

/* Dropdown Menu Box - Always expands on hover even when active */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #FFFFFF;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-dropdown);
  min-width: 290px;
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1050;
  pointer-events: none;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--color-text-heading);
  transition: background 0.2s ease;
}

.dropdown-item:hover {
  background: var(--color-action-subtle);
  color: var(--color-brand-primary);
}

.dropdown-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--color-bg-subtle);
  color: var(--color-brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.dropdown-item:hover .dropdown-icon {
  background: #fff;
}

.dropdown-info h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 2px;
  color: inherit;
}

.dropdown-info p {
  font-size: 11.5px;
  color: var(--color-text-muted);
  line-height: 1.3;
}

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

/* ==========================================================================
   Home Hero Section (Enhanced Rich Product Matrix Composite)
   ========================================================================== */
.hero-section {
  background: radial-gradient(circle at 85% 30%, #1E3A8A 0%, #0A192F 70%);
  border-bottom: 1px solid #1E293B;
  padding: 56px 0 48px;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #EBF4FF;
  border: 1px solid #BAE0FF;
  color: var(--color-brand-primary);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero-content h1 {
  font-size: 40px;
  font-weight: 800;
  color: var(--color-text-heading);
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-content h1 span {
  color: var(--color-brand-primary);
}

.hero-desc {
  font-size: 16px;
  color: var(--color-text-body);
  margin-bottom: 24px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
}

.hero-trust-list {
  display: flex;
  gap: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-composite-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: 0 12px 30px rgba(0, 114, 198, 0.08);
  position: relative;
}

.composite-title-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border-subtle);
}

.composite-title-bar h3 {
  font-size: 15px;
  font-weight: 700;
}

/* ==========================================================================
   Product Lines Catalog (6 Lines on Home)
   ========================================================================== */
.categories-section {
  padding: 64px 0;
  background-color: var(--color-bg-page);
}

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

.cat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-card);
  padding: 24px;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  color: inherit;
  position: relative;
}

.cat-card:hover {
  border-color: var(--color-brand-primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.cat-icon-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.cat-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-btn);
  background: var(--color-action-subtle);
  color: var(--color-brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cat-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-tag);
  background: #F1F5F9;
  color: var(--color-text-muted);
}

.cat-card h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

.cat-card p {
  font-size: 13.5px;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
  flex: 1;
}

.cat-card-footer {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-brand-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   Featured Selections (热门选型 - FA402, FA408, Matrix, F01)
   ========================================================================== */
.featured-section {
  padding: 64px 0;
  background-color: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border-card);
  border-bottom: 1px solid var(--color-border-card);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: #BAE0FF;
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

/* Replaceable Image Box for Product Showcase */
.product-card-preview {
  height: 180px;
  background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 16px;
}

.product-img-obj {
  max-height: 140px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.product-tag-pill {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-tag);
  text-transform: uppercase;
  z-index: 2;
}

.tag-popular { background: #EBF4FF; color: var(--color-brand-primary); }
.tag-trimmable { background: #FEF3C7; color: #D97706; }
.tag-matrix { background: #EDE9FE; color: #7C3AED; }
.tag-large { background: #D1FAE5; color: #059669; }

.product-card-body {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card-body h3 {
  font-size: 17px;
  margin-bottom: 2px;
}

.product-alias {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}

.spec-list {
  font-size: 12.5px;
  margin-bottom: 16px;
  flex: 1;
}

.spec-item {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px dashed var(--color-border-card);
}

.spec-item:last-child { border-bottom: none; }
.spec-k { color: var(--color-text-muted); }
.spec-v { font-weight: 700; color: var(--color-text-heading); }

.product-card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

/* ==========================================================================
   Stats Bar
   ========================================================================== */
.stats-section {
  padding: 56px 0;
  background-color: var(--color-brand-dark);
  color: #fff;
}

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

.stat-item h3 {
  font-size: 42px;
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 4px;
  letter-spacing: -1px;
}

.stat-item h3 span { color: var(--color-brand-cyan); }
.stat-item p { font-size: 14.5px; color: #A3B8CC; }

/* ==========================================================================
   Applications Gallery (Home / Case Studies)
   ========================================================================== */
.app-section {
  padding: 64px 0;
  background-color: var(--color-bg-page);
}

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

.app-card {
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: #fff;
  transition: all 0.25s ease;
}

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

.app-card-img-placeholder {
  height: 180px;
  background: #1E293B;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94A3B8;
  position: relative;
  overflow: hidden;
}

.app-card-img-obj {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-badge-float {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-tag);
  z-index: 2;
}

.app-card-body {
  padding: 20px;
}

.app-card-body h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.app-card-body p {
  font-size: 13.5px;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Redesigned "Ready to Test or Integrate" Conversion Section
   ========================================================================== */
.conversion-section {
  padding: 72px 0;
  background: linear-gradient(135deg, #0F2444 0%, #0072C6 100%);
  color: #fff;
  position: relative;
}

.conversion-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 48px;
  align-items: center;
}

.conversion-info h2 {
  font-size: 34px;
  color: #FFFFFF;
  margin-bottom: 16px;
  line-height: 1.25;
}

.conversion-info p {
  font-size: 16px;
  color: #E2E8F0;
  margin-bottom: 24px;
  line-height: 1.6;
}

.value-props-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}

.value-prop-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14.5px;
  color: #F8FAFC;
}

.value-prop-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #38BDF8;
  flex-shrink: 0;
}

.conversion-form-box {
  background: #FFFFFF;
  border-radius: var(--radius-card);
  padding: 32px;
  color: var(--color-text-body);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.conversion-form-box h3 {
  font-size: 20px;
  color: var(--color-text-heading);
  margin-bottom: 6px;
}

.conversion-form-box p {
  font-size: 13.5px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.form-group {
  margin-bottom: 14px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 4px;
  text-transform: uppercase;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-btn);
  font-size: 13.5px;
  color: var(--color-text-heading);
  background-color: #fff;
  outline: none;
}

.form-textarea {
  height: 80px;
  padding: 8px 12px;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-brand-primary);
  box-shadow: 0 0 0 3px rgba(0, 114, 198, 0.12);
}

/* ==========================================================================
   Inner Page Tech Banner (General Banner for Tech, Apps, About, Contact)
   ========================================================================== */
.page-banner {
  background: linear-gradient(135deg, var(--color-brand-dark) 0%, #0A192F 100%);
  color: #fff;
  padding: 56px 0 52px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.banner-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.banner-content h1 {
  font-size: 38px;
  color: #FFFFFF;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.banner-content h1 span {
  color: var(--color-brand-cyan);
}

.banner-content p {
  font-size: 16.5px;
  color: #CBD5E1;
  max-width: 640px;
  margin-bottom: 24px;
  line-height: 1.6;
}

.banner-content p:last-child {
  margin-bottom: 0;
}

.banner-pills {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.banner-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12.5px;
  color: #E2E8F0;
}

.banner-visual-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-card);
  padding: 24px;
  backdrop-filter: blur(8px);
}

/* ==========================================================================
   Product Page Scoped Classes (Isolated for products.html only)
   ========================================================================== */
.product-hero-banner {
  background: linear-gradient(135deg, var(--color-brand-dark) 0%, #0A192F 100%);
  color: #fff;
  padding: 56px 0 48px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.product-hero-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.product-hero-content {
  position: relative;
  z-index: 2;
  max-width: 880px;
  margin: 0 auto;
}

.product-hero-content h1 {
  font-size: 40px;
  color: #FFFFFF;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.product-hero-content h1 span {
  color: var(--color-brand-cyan);
}

.product-hero-content p {
  font-size: 16.5px;
  color: #CBD5E1;
  margin-bottom: 28px;
  line-height: 1.6;
}

.category-anchor-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.cat-nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 8px 18px;
  border-radius: 30px;
  color: #E2E8F0;
  font-size: 13.5px;
  font-weight: 600;
  backdrop-filter: blur(8px);
  transition: all 0.2s ease;
}

.cat-nav-pill:hover {
  background: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
  color: #fff;
  transform: translateY(-2px);
}

.product-showcase-section {
  padding: 64px 0;
}

.product-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.product-showcase-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}

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

.card-visual-header {
  height: 200px;
  background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 16px;
}

.card-badge-top {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-tag);
  text-transform: uppercase;
  z-index: 2;
}

.card-content-body {
  padding: 20px;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-content-body h3 {
  font-size: 18px;
  margin-bottom: 4px;
}

.card-alias-text {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}

.card-param-table {
  width: 100%;
  font-size: 12.5px;
  margin-bottom: 16px;
  text-align: left;
}

.card-param-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px dashed var(--color-border-card);
}

.card-param-row:last-child {
  border-bottom: none;
}

.card-param-k {
  color: var(--color-text-muted);
}

.card-param-v {
  font-weight: 700;
  color: var(--color-text-heading);
}

.card-actions-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: auto;
}

.param-table-container {
  background: #FFFFFF;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-card);
  overflow-x: auto;
  box-shadow: var(--shadow-card);
  margin-top: 32px;
}

.param-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  text-align: center;
}

.param-table th {
  background: #F8FAFC;
  padding: 14px 16px;
  font-weight: 700;
  color: var(--color-text-heading);
  border-bottom: 2px solid #E2E8F0;
  white-space: nowrap;
}

.param-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border-card);
  color: var(--color-text-body);
}

.param-table tbody tr:hover {
  background-color: #F8FAFC;
}

/* Product Table Link & Thumbnail Interactive Styling */
.table-model-link {
  font-weight: 700;
  color: var(--color-brand-primary);
  text-decoration: none;
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.table-model-link:hover {
  color: #004D80;
  text-decoration: underline;
}

.table-desc-cell {
  text-align: left;
  max-width: 240px;
  font-size: 13px;
  color: #475569;
  line-height: 1.45;
}

.btn-xs {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 4px;
  font-weight: 600;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.table-img-thumb {
  width: 52px;
  height: 52px;
  border-radius: 6px;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.table-img-thumb:hover {
  transform: scale(1.08);
  border-color: var(--color-brand-primary);
  box-shadow: 0 4px 10px rgba(0, 114, 198, 0.15);
}

.table-img-thumb img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}

.feature-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 32px;
}

.feature-split-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-card);
  padding: 28px;
  text-align: center;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.feature-split-card:hover {
  border-color: var(--color-brand-primary);
  box-shadow: var(--shadow-card-hover);
}

.feature-visual-illustration {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
  border-radius: 8px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #E2E8F0;
}

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

.product-cta-strip {
  background: linear-gradient(135deg, #0F2444 0%, #0072C6 100%);
  color: #fff;
  padding: 56px 0;
  text-align: center;
  border-radius: var(--radius-card);
  margin: 64px 0 32px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-brand-navy);
  color: #94A3B8;
  padding: 60px 0 28px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.2fr 1.6fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: #94A3B8;
}

.footer-col ul li a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

/* ==========================================================================
   Mobile Navigation & Drawer (Full Responsive Solution)
   ========================================================================== */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border-card);
  border-radius: 6px;
  cursor: pointer;
  padding: 8px 12px;
  color: var(--color-brand-dark);
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
}

.mobile-menu-toggle:hover {
  background-color: #F1F5F9;
}

.mobile-nav-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.mobile-nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0; right: -340px;
  width: 320px;
  max-width: 85vw;
  height: 100%;
  background: #FFFFFF;
  z-index: 2001;
  box-shadow: -6px 0 28px rgba(15, 23, 42, 0.18);
  display: flex;
  flex-direction: column;
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 24px;
  overflow-y: auto;
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border-card);
  margin-bottom: 20px;
}

.mobile-nav-close {
  background: #F1F5F9;
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-body);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
}

.mobile-nav-item a.mobile-nav-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-heading);
  border-radius: 8px;
  text-decoration: none;
}

.mobile-nav-item.active a.mobile-nav-link {
  background: var(--color-action-subtle);
  color: var(--color-brand-primary);
}

.mobile-submenu {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px 0 8px 24px;
}

.mobile-nav-item.expanded .mobile-submenu {
  display: flex;
}

.mobile-submenu a {
  font-size: 13.5px;
  color: var(--color-text-muted);
  padding: 6px 12px;
  border-radius: 6px;
}

.mobile-submenu a:hover {
  color: var(--color-brand-primary);
  background: #F8FAFC;
}

.mobile-drawer-footer {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--color-border-card);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ==========================================================================
   Interactive Hero Model Selector & Tabs
   ========================================================================== */
.hero-model-tabs {
  display: flex;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  padding: 4px;
  border-radius: 8px;
  margin-bottom: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-model-tab {
  flex: 1;
  text-align: center;
  padding: 6px 8px;
  font-size: 12px;
  font-weight: 600;
  color: #94A3B8;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s ease;
  background: transparent;
  border: none;
}

.hero-model-tab:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.hero-model-tab.active {
  background: #0072C6;
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 114, 198, 0.35);
}

/* ==========================================================================
   Table Search & Filter Bar
   ========================================================================== */
.table-filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  background: #FFFFFF;
  padding: 16px 20px;
  border: 1px solid var(--color-border-card);
  border-radius: 8px 8px 0 0;
  border-bottom: none;
}

.table-search-input {
  padding: 8px 14px;
  border: 1px solid var(--color-border-card);
  border-radius: 6px;
  font-size: 13.5px;
  width: 260px;
  max-width: 100%;
}

.table-shape-select {
  padding: 8px 14px;
  border: 1px solid var(--color-border-card);
  border-radius: 6px;
  font-size: 13.5px;
  background: #FFFFFF;
  color: var(--color-text-heading);
}

/* ==========================================================================
   Circuit Topologies Switcher (Technology Page)
   ========================================================================== */
.circuit-tabs-nav {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--color-border-card);
  padding-bottom: 12px;
}

.circuit-tab-btn {
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  background: #F1F5F9;
  color: var(--color-text-body);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.circuit-tab-btn.active {
  background: var(--color-brand-primary);
  color: #FFFFFF;
}

.circuit-panel {
  display: none;
}

.circuit-panel.active {
  display: block;
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */
.fsr-toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: #0F172A;
  color: #FFFFFF;
  padding: 16px 22px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.5;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  border-left: 4px solid #10B981;
  z-index: 9999;
  max-width: 420px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.fsr-toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ==========================================================================
   Replaceable Asset Badge Overlay (For easy visual design inspection)
   ========================================================================== */
.asset-slot-tag {
  display: inline-block;
  font-size: 11px;
  font-family: var(--font-family-mono);
  background: rgba(15, 23, 42, 0.05);
  color: var(--color-brand-primary);
  border: 1px dashed #BAE0FF;
  padding: 2px 8px;
  border-radius: 4px;
  margin-top: 8px;
}

/* ==========================================================================
   Responsive Layouts (Desktop / Tablet / Mobile)
   ========================================================================== */
@media (max-width: 1200px) {
  .product-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .banner-grid { grid-template-columns: 1fr; }
  .conversion-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .category-anchor-nav { gap: 8px; }
  .feature-split-grid { grid-template-columns: 1fr; }
  .tri-tools-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .mobile-menu-toggle { display: inline-flex; }
  .header-cta { display: none; }
  .product-hero-content h1 { font-size: 28px; }
  .product-hero-content p { font-size: 14.5px; }
  .product-cards-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .table-filter-bar { flex-direction: column; align-items: stretch; }
  .table-search-input { width: 100%; }
}

/* ==========================================================================
   Hero Multi-Banner Carousel & Product Showcase (Requirement 1)
   ========================================================================== */
.hero-slider-wrap {
  position: relative;
  background: #FFFFFF;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-card);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.hero-slide {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.hero-slide.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

.hero-slide-img-wrap {
  position: relative;
  width: 100%;
  height: 240px;
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid #E2E8F0;
}

.hero-slide-img-wrap img {
  max-width: 90%;
  max-height: 220px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.hero-slide:hover .hero-slide-img-wrap img {
  transform: scale(1.03);
}

.hero-slide-info {
  padding: 20px 24px;
}

.hero-slide-info h3 {
  font-size: 18px;
  color: var(--color-text-heading);
  margin-bottom: 6px;
}

.hero-slide-info p {
  font-size: 13.5px;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

.hero-slider-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: #F8FAFC;
  border-top: 1px solid #E2E8F0;
}

.hero-slider-dots {
  display: flex;
  gap: 8px;
}

.hero-slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #CBD5E1;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hero-slider-dot.active {
  background: var(--color-brand-primary);
  width: 24px;
  border-radius: 10px;
}

.hero-slider-btns {
  display: flex;
  gap: 6px;
}

.hero-slider-btn {
  background: #FFFFFF;
  border: 1px solid var(--color-border-card);
  border-radius: 6px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-body);
  transition: all 0.2s ease;
}

.hero-slider-btn:hover {
  background: #EBF4FF;
  color: var(--color-brand-primary);
  border-color: #BAE0FF;
}

/* ==========================================================================
   Upgraded Signal DAQ Hardware Cards (Requirement 5)
   ========================================================================== */
.tri-tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.hardware-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
}

.hardware-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-brand-primary);
}

.hardware-card-thumb {
  height: 190px;
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  border-bottom: 1px solid #E2E8F0;
  position: relative;
}

.hardware-card-thumb img {
  max-height: 160px;
  max-width: 90%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.hardware-card:hover .hardware-card-thumb img {
  transform: scale(1.05);
}

.hardware-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.hardware-card-body h3 {
  font-size: 18px;
  color: var(--color-text-heading);
  margin-bottom: 6px;
}

.hardware-card-subtitle {
  font-size: 13px;
  color: var(--color-brand-primary);
  font-weight: 600;
  margin-bottom: 12px;
}

.hardware-spec-badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.hardware-spec-badge {
  font-size: 11.5px;
  background: #F1F5F9;
  color: #475569;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.hardware-card-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* ==========================================================================
   Clean & Balanced Custom FSR Engineering Section (Requirement 1 Simplification)
   ========================================================================== */
.custom-card-container {
  background: #FFFFFF;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.custom-simple-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.custom-simple-card {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 10px;
  padding: 24px 20px;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}

.custom-simple-card:hover {
  background: #FFFFFF;
  border-color: var(--color-brand-primary);
  box-shadow: 0 6px 18px rgba(0, 114, 198, 0.08);
  transform: translateY(-2px);
}

.custom-simple-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.custom-simple-card h4 {
  font-size: 16px;
  color: #0F172A;
  margin-bottom: 8px;
}

.custom-simple-card p {
  font-size: 13px;
  color: #64748B;
  line-height: 1.55;
  margin: 0;
  flex-grow: 1;
}

@media (max-width: 992px) {
  .custom-simple-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .custom-simple-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Technology Page: Inherent Characteristics & Mitigations + Engineering FAQ
   FSR Piezoresistive Physics & Instrumentation Styling
   ========================================================================== */
.tech-features-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin: 28px 0 40px;
}

.tech-feature-pill {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 10px;
  padding: 16px 14px;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.02);
  transition: all 0.2s ease;
}

.tech-feature-pill:hover {
  border-color: var(--color-brand-primary);
  transform: translateY(-2px);
}

.tech-feature-pill strong {
  display: block;
  font-size: 14px;
  color: #0F172A;
  margin: 8px 0 4px;
}

.tech-feature-pill span {
  font-size: 12px;
  color: #64748B;
  line-height: 1.4;
  display: block;
}

.tech-char-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 28px 0 40px;
}

.tech-char-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-card);
  padding: 26px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.03);
  transition: all 0.25s ease;
}

.tech-char-card:hover {
  border-color: var(--color-brand-primary);
  box-shadow: 0 8px 20px rgba(0, 114, 198, 0.08);
}

.tech-char-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.tech-char-header h4 {
  font-size: 17px;
  color: #0F172A;
  margin: 0;
}

.tech-char-desc {
  font-size: 13.5px;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 14px;
}

.tech-mitigation-box {
  background: #F0FDF4;
  border: 1px solid #DCFCE7;
  border-left: 3px solid #16A34A;
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 12.5px;
  color: #166534;
  line-height: 1.5;
}

.tech-mitigation-box strong {
  color: #14532D;
}

/* FAQ Grid */
.tech-faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.tech-faq-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-card);
  border-radius: 10px;
  padding: 20px 22px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.02);
  transition: all 0.2s ease;
}

.tech-faq-card:hover {
  border-color: #BAE0FF;
  box-shadow: 0 6px 16px rgba(0, 114, 198, 0.06);
}

.tech-faq-q {
  font-size: 15px;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.tech-faq-q span {
  color: var(--color-brand-primary);
  font-weight: 800;
}

.tech-faq-a {
  font-size: 13px;
  color: #475569;
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 992px) {
  .tech-features-row {
    grid-template-columns: repeat(3, 1fr);
  }
  .tech-char-grid {
    grid-template-columns: 1fr;
  }
  .tech-faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .tech-features-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* ==========================================================================
   Table Product Image Thumbnails (Requirement 3 & 4)
   ========================================================================== */
.table-img-thumb {
  width: 54px;
  height: 54px;
  border-radius: 6px;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

.table-img-thumb img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.table-img-thumb:hover img {
  transform: scale(1.15);
}

/* ==========================================================================
   Gallery & Real Factory Photo Grid (Requirement 7)
   ========================================================================== */
.photo-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.photo-gallery-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all 0.25s ease;
}

.photo-gallery-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-brand-primary);
}

.photo-gallery-img-wrap {
  width: 100%;
  height: 200px;
  background: #F1F5F9;
  overflow: hidden;
  position: relative;
}

.photo-gallery-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.photo-gallery-card:hover .photo-gallery-img-wrap img {
  transform: scale(1.05);
}

.photo-gallery-body {
  padding: 18px 20px;
}

.photo-gallery-body h4 {
  font-size: 16px;
  color: var(--color-text-heading);
  margin-bottom: 6px;
}

.photo-gallery-body p {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .photo-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .photo-gallery-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Centered Global Product CTA Strip (Reverted to Classic Clean Version)
   ========================================================================== */
.product-cta-strip {
  background: linear-gradient(135deg, #0A192F 0%, #0072C6 100%);
  border-radius: var(--radius-card);
  padding: 48px 32px;
  color: #FFFFFF;
  text-align: center;
  box-shadow: 0 12px 32px rgba(10, 25, 47, 0.2);
}

.product-cta-strip h2 {
  color: #FFFFFF;
  font-size: 28px;
  margin-bottom: 10px;
}

.product-cta-strip p {
  color: #E2E8F0;
  font-size: 15px;
  margin-bottom: 24px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}


/* ==========================================================================
   Mobile Menu Drawer & Off-Canvas Fix
   ========================================================================== */
.mobile-menu-drawer {
  display: none !important;
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 86vw);
  height: 100vh;
  background: #0A192F;
  z-index: 99999;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.5);
  overflow-y: auto;
  padding: 24px;
  box-sizing: border-box;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-menu-drawer.active {
  display: block !important;
  transform: translateX(0);
}

@media (min-width: 993px) {
  .mobile-menu-drawer,
  .mobile-menu-toggle {
    display: none !important;
  }
}

/* ==========================================================================
   Hero Visual Banner & Interactive Tech Graphic Styles
   ========================================================================== */
.hero-grid-2col {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 992px) {
  .hero-grid-2col {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.hero-product-stage {
  position: relative;
  background: radial-gradient(circle at 50% 50%, rgba(0, 114, 198, 0.25) 0%, rgba(10, 25, 47, 0.95) 75%);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 16px;
  padding: 32px 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), inset 0 0 30px rgba(0, 114, 198, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 380px;
}

.floating-glass-badge {
  background: rgba(15, 36, 68, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(56, 189, 248, 0.35);
  padding: 8px 14px;
  border-radius: 8px;
  color: #E2E8F0;
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.enlarged-icon-box {
  width: 58px;
  height: 58px;
  border-radius: 12px;
  background: #EBF4FF;
  color: #0072C6;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

/* preserved button contrast fixes */
.btn-outline-white{background:rgba(255,255,255,.12)!important;color:#fff!important;border:1.5px solid rgba(255,255,255,.6)!important}
.btn-outline-white:hover{background:#fff!important;color:#0A192F!important;border-color:#fff!important}
.btn-primary:hover{background:#005FA5!important;color:#fff!important}


/* Products table: center-align every header and cell for consistent product-list scanning. */
.param-table th,
.param-table td {
  text-align: center !important;
  vertical-align: middle !important;
}

/* User-requested homepage cleanup: card layout, six guarantees, and compact mobile header */
.methodology-section,
.guarantees-section { padding: 72px 0; background: #F8FAFC; border-bottom: 1px solid #E2E8F0; }
.methodology-heading,
.guarantees-heading { max-width: 860px; margin: 0 auto 38px; text-align: center; }
.methodology-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; align-items: stretch; }
.methodology-card-clean { background: #FFFFFF; border: 1px solid #E2E8F0; border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; min-width: 0; box-shadow: 0 4px 12px rgba(15,23,42,.04); }
.methodology-image-box-clean { height: 185px; display: flex; align-items: center; justify-content: center; padding: 12px; background: #FFFFFF; border-bottom: 1px solid #F1F5F9; }
.methodology-image-box-clean img { max-width: 90%; max-height: 155px; width: auto; height: auto; object-fit: contain; display: block; }
.methodology-card-body { padding: 20px 22px; display: flex; flex-direction: column; flex: 1; }
.methodology-kicker { font-size: 12px; font-weight: 700; color: #64748B; margin-bottom: 4px; }
.methodology-card-body h3 { color: #0F2444; font-size: 17px; line-height: 1.3; margin: 0 0 8px; }
.methodology-card-body p { color: #64748B; font-size: 13px; line-height: 1.5; margin: 0 0 14px; min-height: 40px; }
.methodology-model-box { background: #F8FAFC; border: 1px solid #E2E8F0; border-radius: 6px; padding: 9px 12px; min-height: 52px; display: flex; flex-direction: column; justify-content: center; gap: 3px; }
.methodology-model-box strong { color: #0F2444; font-size: 11.5px; }
.methodology-model-box span { color: #475569; font-size: 12px; }
.methodology-card-footer { display: flex; justify-content: space-between; align-items: center; gap: 10px; border-top: 1px solid #E2E8F0; padding-top: 12px; margin-top: auto; }
.methodology-card-footer > span { color: #0072C6; font-size: 12.5px; font-weight: 700; }
.guarantees-section { background: #FFFFFF; }
.guarantees-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.guarantee-card { background: #F8FAFC; border: 1px solid #E2E8F0; border-radius: 12px; padding: 26px 24px; text-align: center; min-height: 250px; display: flex; flex-direction: column; align-items: center; }
.guarantee-icon { width: 56px; height: 56px; border-radius: 12px; background: #EBF4FF; color: #0072C6; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.guarantee-card h3 { color: #0F2444; font-size: 17px; margin: 0 0 9px; }
.guarantee-card p { color: #64748B; font-size: 13px; line-height: 1.6; margin: 0; }
.hero-secondary-action { background: rgba(255,255,255,.12) !important; color: #FFFFFF !important; border: 1.5px solid rgba(255,255,255,.6) !important; }
.hero-secondary-action:hover { background: #FFFFFF !important; color: #0A192F !important; border-color: #FFFFFF !important; }

@media (max-width: 992px) {
  .methodology-card-grid, .guarantees-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .methodology-card-grid, .guarantees-grid { grid-template-columns: 1fr; }
  .methodology-section, .guarantees-section { padding: 52px 0; }
}

@media (max-width: 992px) {
  .site-header { height: 64px !important; }
  .header-inner {
    height: 64px !important;
    gap: 8px !important;
    justify-content: flex-end !important;
    padding-left: 14px !important;
    padding-right: 14px !important;
  }
  .main-nav { display: none !important; }
  .logo-container { display: none !important; }
  .header-actions {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 8px !important;
    margin-left: auto !important;
    width: auto !important;
    max-width: 100% !important;
  }
  .header-actions .btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: auto !important;
    min-width: 0 !important;
    max-width: 156px !important;
    height: 38px !important;
    min-height: 38px !important;
    padding: 6px 11px !important;
    font-size: 12px !important;
    line-height: 1 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  .mobile-menu-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 38px !important;
    height: 38px !important;
    min-width: 38px !important;
    min-height: 38px !important;
    flex: 0 0 38px !important;
    padding: 0 !important;
    margin: 0 !important;
    border: 1px solid #CBD5E1 !important;
    border-radius: 6px !important;
    background: #FFFFFF !important;
    color: #0F2444 !important;
    cursor: pointer !important;
  }
  .mobile-menu-btn:hover {
    background: #EBF4FF !important;
    border-color: #0072C6 !important;
    color: #0072C6 !important;
  }
  .mobile-menu-btn svg {
    width: 21px !important;
    height: 21px !important;
    display: block !important;
  }
  .logo-tagline { display: none !important; }
  .site-logo-img { height: 34px !important; max-width: 138px !important; }
}

@media (max-width: 420px) {
  .header-inner { padding-left: 10px !important; padding-right: 10px !important; gap: 5px !important; }
  .header-actions { gap: 5px !important; }
  .header-actions .btn { max-width: 122px !important; padding-left: 8px !important; padding-right: 8px !important; font-size: 11px !important; }
  .mobile-menu-btn { width: 34px !important; height: 34px !important; min-width: 34px !important; min-height: 34px !important; flex-basis: 34px !important; }
  .mobile-menu-btn svg { width: 19px !important; height: 19px !important; }
}

/* Header correction: stable desktop row + compact mobile row; no button stacking. */
.site-header .header-inner {
  min-width: 0 !important;
  gap: 14px !important;
}
.site-header .logo-container {
  min-width: 0 !important;
  flex: 0 1 auto !important;
}
.site-header .logo-tagline {
  min-width: 0 !important;
  white-space: nowrap !important;
}
.site-header .main-nav {
  min-width: 0 !important;
  flex: 1 1 auto !important;
  justify-content: center !important;
  gap: clamp(8px, 1vw, 18px) !important;
  white-space: nowrap !important;
}
.site-header .header-actions {
  display: flex !important;
  flex: 0 0 auto !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: flex-end !important;
  flex-wrap: nowrap !important;
  gap: 8px !important;
  white-space: nowrap !important;
}
.site-header .header-actions .btn {
  flex: 0 1 auto !important;
  width: auto !important;
  min-width: 0 !important;
  white-space: nowrap !important;
}
.mobile-menu-btn { display: none !important; }

@media (max-width: 1240px) and (min-width: 993px) {
  .site-header .logo-tagline { display: none !important; }
  .site-header .site-logo-img { max-width: 145px !important; }
  .site-header .main-nav { gap: 8px !important; }
  .site-header .nav-link { font-size: 13px !important; padding-left: 2px !important; padding-right: 2px !important; }
  .site-header .header-actions .btn { padding-left: 9px !important; padding-right: 9px !important; font-size: 12px !important; }
}

@media (max-width: 992px) {
  .mobile-menu-btn { display: inline-flex !important; }
  .site-header .header-inner {
    width: 100% !important;
    min-width: 0 !important;
    padding-left: 10px !important;
    padding-right: 10px !important;
    gap: 6px !important;
  }
  .site-header .header-actions {
    width: 100% !important;
    max-width: none !important;
    margin-left: 0 !important;
    gap: 6px !important;
    flex-wrap: nowrap !important;
  }
  .site-header .header-actions .btn {
    flex: 1 1 0 !important;
    width: auto !important;
    max-width: none !important;
    min-width: 0 !important;
    height: 38px !important;
    min-height: 38px !important;
    padding: 6px 8px !important;
    font-size: 12px !important;
    line-height: 1 !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  .site-header .mobile-menu-btn {
    flex: 0 0 38px !important;
    width: 38px !important;
    min-width: 38px !important;
    height: 38px !important;
    min-height: 38px !important;
  }
}

@media (max-width: 420px) {
  .site-header .header-actions .btn { font-size: 11px !important; padding-left: 5px !important; padding-right: 5px !important; }
  .site-header .mobile-menu-btn { flex-basis: 34px !important; width: 34px !important; min-width: 34px !important; height: 34px !important; min-height: 34px !important; }
}

/* Preserve the reference section divider as a thin glow line, never a blank block. */
.section-divider-glow{height:1px!important;min-height:1px!important;margin:0!important;background:linear-gradient(90deg,transparent 0%,rgba(56,189,248,.45) 50%,transparent 100%)!important;border:0!important;box-shadow:0 0 12px rgba(56,189,248,.22)!important}

/* Front-end preview guard: hide the admin toolbar so the reference header keeps its original top edge. */
body.admin-bar{margin-top:0!important}
html[ lang ]{margin-top:0!important}
#wpadminbar{display:none!important}
body.admin-bar .site-header{top:0!important;margin-top:-26px!important}
body.admin-bar .dropdown-menu{z-index:1001!important}
header.site-header .main-nav .nav-item:hover > .dropdown-menu,header.site-header .main-nav .nav-item:focus-within > .dropdown-menu{display:block!important;opacity:1!important;visibility:visible!important;transform:translateY(0)!important;pointer-events:auto!important}
header.site-header .main-nav .dropdown-menu{display:none;opacity:0;visibility:hidden;pointer-events:none}
header.site-header .main-nav .nav-item:hover > .dropdown-menu,header.site-header .main-nav .nav-item:focus-within > .dropdown-menu{display:block!important;opacity:1!important;visibility:visible!important;pointer-events:auto!important}

/* Contact form parity guard: keep the reference two-column form inside the mobile content box. */
@media (max-width: 600px) {
  .contact-form-row,
  #rfq-contact-form > div[style*="grid-template-columns"] { grid-template-columns: minmax(0, 1fr) !important; }
  .contact-form input, .contact-form select, .contact-form textarea,
  #rfq-contact-form input, #rfq-contact-form select, #rfq-contact-form textarea { max-width: 100% !important; min-width: 0 !important; box-sizing: border-box !important; }
  .contact-reference-grid { grid-template-columns: minmax(0, 1fr) !important; }
}

/* Responsive audit fixes: keep mobile content inside the viewport. */
@media (max-width: 780px) {
  .site-header .header-inner { width: 100% !important; max-width: 100% !important; box-sizing: border-box !important; }
  .site-header .header-actions { min-width: 0 !important; }
  .site-header .header-actions .btn { min-width: 0 !important; max-width: 122px !important; overflow: hidden !important; text-overflow: ellipsis !important; }
  .products-page, .products-content, .products-banner, .products-banner-inner { overflow-x: hidden !important; }
  .products-content { padding-left: 18px !important; padding-right: 18px !important; }
  .param-table-container { max-width: 100% !important; overflow-x: auto !important; -webkit-overflow-scrolling: touch; }
  .param-table { min-width: 860px; }
  .matrix-product-card, .matrix-product-visual, .matrix-product-content { min-width: 0 !important; max-width: 100% !important; box-sizing: border-box !important; }
}

@media (max-width: 420px) {
  .products-content, .products-banner-inner { padding-left: 14px !important; padding-right: 14px !important; }
  .products-page { width: 100% !important; max-width: 100% !important; overflow-x: clip !important; }
  .products-page * { max-width: 100% !important; }
  .products-page .param-table { max-width: none !important; }
}

@media (max-width: 600px) {
  .fsr-wrap { width: 100% !important; max-width: 100% !important; box-sizing: border-box !important; overflow-x: hidden !important; }
  .fsr-hero, .fsr-section { min-width: 0 !important; max-width: 100% !important; }
  .fsr-grid { grid-template-columns: minmax(0, 1fr) !important; width: 100% !important; }
  .fsr-spec { min-width: 0 !important; gap: 10px !important; }
  .fsr-spec-label, .fsr-spec-value { min-width: 0 !important; overflow-wrap: anywhere !important; word-break: break-word !important; }
  .fsr-spec-value { text-align: right !important; }
}

@media (max-width: 780px) {
  .home-hero-static .home-hero-inner { grid-template-columns: minmax(0, 1fr) !important; }
  .home-hero-static .home-hero-copy, .home-hero-static .home-hero-visual { min-width: 0 !important; }
  .home-hero-static .home-hero-visual { max-width: 100% !important; }
}

/* Mobile parity guards for the English Technology and Applications reference pages. */
@media (max-width: 780px) {
  body.fsrtek-technology-reference .container,
  body.fsrtek-applications-reference .container { width: 100% !important; max-width: 100% !important; min-width: 0 !important; box-sizing: border-box !important; }
  body.fsrtek-technology-reference [style*="grid-template-columns"],
  body.fsrtek-applications-reference [style*="grid-template-columns"] { grid-template-columns: minmax(0, 1fr) !important; min-width: 0 !important; max-width: 100% !important; }
  body.fsrtek-technology-reference [style*="width:"],
  body.fsrtek-applications-reference [style*="width:"] { max-width: 100% !important; box-sizing: border-box !important; }
  body.fsrtek-technology-reference svg,
  body.fsrtek-applications-reference svg { max-width: 100% !important; height: auto !important; }
  body.fsrtek-technology-reference button,
  body.fsrtek-technology-reference a,
  body.fsrtek-applications-reference button,
  body.fsrtek-applications-reference a { max-width: 100% !important; min-width: 0 !important; white-space: normal !important; overflow-wrap: anywhere !important; box-sizing: border-box !important; }

  .technology-content,
  .technology-content > *,
  .applications-content,
  .application-domain,
  .application-domain > *,
  .application-domain-grid,
  .application-domain-grid > * { min-width: 0 !important; max-width: 100% !important; box-sizing: border-box !important; }
  .technology-content { grid-template-columns: minmax(0, 1fr) !important; overflow-x: hidden !important; }
  .technology-filter-inner { min-width: 0 !important; overflow: hidden !important; }
  .technology-filters { max-width: 100% !important; min-width: 0 !important; overflow-x: auto !important; }
  .technology-filters a { flex: 0 0 auto !important; }
  .application-domain-grid { grid-template-columns: minmax(0, 1fr) !important; overflow: hidden !important; }
  .application-image, .application-image img, .application-diagram, .application-diagram svg { max-width: 100% !important; width: 100% !important; height: auto !important; box-sizing: border-box !important; }
  .application-domain a.btn, .technology-content a.btn { max-width: 100% !important; min-width: 0 !important; white-space: normal !important; overflow-wrap: anywhere !important; box-sizing: border-box !important; }
  .application-domain svg { max-width: 100% !important; height: auto !important; }
}

/* Footer layout: align the page bounds and distribute four desktop blocks evenly. */
@media (min-width: 1201px) {
  .site-footer > .container { max-width: 1280px !important; }
  .site-footer .footer-grid { display: flex !important; flex-wrap: nowrap !important; justify-content: space-between !important; align-items: flex-start !important; gap: 0 !important; }
  .site-footer .footer-col { min-width: 0 !important; width: auto !important; box-sizing: border-box !important; }
  .site-footer .footer-col:nth-child(1) { flex: 0 0 30% !important; }
  .site-footer .footer-col:nth-child(2) { flex: 0 0 18% !important; }
  .site-footer .footer-col:nth-child(3) { flex: 0 0 20% !important; }
  .site-footer .footer-col:nth-child(4) { flex: 0 0 18% !important; }
  .site-footer .footer-col:last-child .footer-whatsapp-badge { display: inline-flex !important; width: max-content !important; max-width: 100% !important; justify-content: flex-start !important; }
}

/* CTA contrast guard: the secondary action must remain readable on the blue CTA band. */
.hero-secondary-action,
.bg-tech-blueprint .btn-outline,
.cta-section .btn-outline,
.home-cta .btn-outline { background: transparent !important; color: #FFFFFF !important; border: 1px solid rgba(255,255,255,.72) !important; }
.hero-secondary-action:hover,
.bg-tech-blueprint .btn-outline:hover,
.cta-section .btn-outline:hover,
.home-cta .btn-outline:hover { background: #FFFFFF !important; color: #0A192F !important; border-color: #FFFFFF !important; }

/* ==========================================================================
   Mobile Header Recovery · 2026-11-04
   问题：≤992px 时 .logo-container 被 display:none 隐藏、.main-nav 被隐藏，
        且汉堡按钮无对应抽屉（JS 找的 .mobile-menu-toggle / .mobile-nav-drawer
        在 DOM 中不存在），导致手机端既无品牌标识也无任何导航入口。
   方案：改为 grid 双行 header —— 第一行 品牌 + 主 CTA，第二行 横向滚动导航条。
        纯 CSS，静态页与原生模板页统一生效，不依赖 JS、不改 24 个静态 HTML。
   ========================================================================== */
@media (max-width: 992px) {
  header.site-header { height: auto !important; }

  header.site-header .header-inner {
    display: grid !important;
    grid-template-columns: minmax(0, auto) minmax(0, 1fr) auto !important;
    grid-template-rows: 56px 40px !important;
    grid-template-areas: "brand . cta" "nav nav nav" !important;
    align-items: center !important;
    align-content: stretch !important;
    justify-content: stretch !important;
    gap: 0 !important;
    height: auto !important;
    min-height: 0 !important;
    padding: 0 12px !important;
    box-sizing: border-box !important;
  }

  /* 1 · 品牌 */
  header.site-header .header-inner .logo-container {
    grid-area: brand !important;
    display: flex !important;
    align-items: center !important;
    align-self: center !important;
    margin: 0 !important;
    padding: 0 !important;
    width: auto !important;
    max-width: none !important;
    min-width: 0 !important;
    overflow: visible !important;
  }
  header.site-header .header-inner .logo-container .site-logo-img {
    display: block !important;
    height: 30px !important;
    width: auto !important;
    max-width: 132px !important;
    object-fit: contain !important;
  }
  header.site-header .header-inner .logo-tagline { display: none !important; }

  /* 2 · 主 CTA：只留一个，右对齐 */
  header.site-header .header-inner .header-actions {
    grid-area: cta !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important;
    align-self: center !important;
    justify-self: end !important;
    gap: 6px !important;
    width: auto !important;
    max-width: none !important;
    margin: 0 !important;
  }
  header.site-header .header-inner .header-actions .btn,
  header.site-header .header-inner .header-actions .btn-primary {
    flex: 0 0 auto !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: auto !important;
    max-width: none !important;
    height: 32px !important;
    min-height: 32px !important;
    padding: 0 12px !important;
    font-size: 11.5px !important;
    line-height: 1 !important;
    white-space: nowrap !important;
    align-self: center !important;
  }
  /* 次要 CTA 在移动端让位给品牌：必须写在 .btn 之后且提高特异性 */
  header.site-header .header-inner .header-actions a.btn.btn-outline,
  header.site-header .header-inner .header-actions a.btn-outline {
    display: none !important;
  }

  /* 3 · 未接线的汉堡按钮：隐藏，避免死按钮 */
  header.site-header .header-inner .mobile-menu-btn,
  header.site-header .header-inner .mobile-menu-toggle { display: none !important; }

  /* 4 · 导航条：第二行，横向滚动 */
  header.site-header .header-inner .main-nav {
    grid-area: nav !important;
    display: flex !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 2px !important;
    width: 100% !important;
    max-width: none !important;
    min-width: 0 !important;
    height: 40px !important;
    min-height: 40px !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    white-space: nowrap !important;
    border-top: 1px solid #E2E8F0 !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  header.site-header .header-inner .main-nav::-webkit-scrollbar { display: none; height: 0; }

  header.site-header .header-inner .main-nav > .nav-item {
    flex: 0 0 auto !important;
    display: flex !important;
    align-items: center !important;
    height: 40px !important;
    position: relative !important;
    margin: 0 !important;
  }
  header.site-header .header-inner .main-nav .nav-link {
    display: inline-flex !important;
    align-items: center !important;
    height: 28px !important;
    padding: 0 11px !important;
    border-radius: 14px !important;
    font-size: 12.5px !important;
    font-weight: 600 !important;
    color: #334155 !important;
    text-decoration: none !important;
    line-height: 1 !important;
    white-space: nowrap !important;
  }
  header.site-header .header-inner .main-nav .nav-item.active > .nav-link,
  header.site-header .header-inner .main-nav .nav-link:hover {
    background: #EBF4FF !important;
    color: #0072C6 !important;
  }

  /* 移动端不展开级联菜单，点父级直接进归档页 */
  header.site-header .header-inner .main-nav .dropdown-menu {
    display: none !important;
    visibility: hidden !important;
  }
  header.site-header .header-inner .main-nav .dropdown-caret { display: none !important; }
}

@media (max-width: 420px) {
  header.site-header .header-inner {
    grid-template-rows: 52px 38px !important;
    padding: 0 10px !important;
  }
  header.site-header .header-inner .logo-container .site-logo-img { height: 27px !important; max-width: 112px !important; }
  header.site-header .header-inner .header-actions .btn { height: 30px !important; font-size: 11px !important; padding: 0 10px !important; }
  header.site-header .header-inner .main-nav { height: 38px !important; min-height: 38px !important; }
  header.site-header .header-inner .main-nav .nav-link { height: 26px !important; font-size: 12px !important; padding: 0 9px !important; }
}

/* ===========================================================
   移动端导航：激活态与横向滚动提示（2026-11-04 复检补充）
   问题1：.nav-item.active .nav-link::after 的 bottom:12px 是为
          48px 高的桌面导航项设计的；移动端 chip 只有 26-28px，
          下划线正好横穿文字，视觉上像删除线。
          移动端已用 pill 背景 + 品牌色表达选中，故直接隐藏。
   问题2：6 个导航项总宽约 420px，超出 370px 可视宽度，可横向滚动，
          但右缘没有任何提示。加渐隐遮罩提示"还有内容"。
   =========================================================== */
@media (max-width: 992px) {
  header.site-header .header-inner .main-nav .nav-item.active > .nav-link::after,
  header.site-header .header-inner .main-nav .nav-item.active .nav-link::after {
    display: none !important;
    content: none !important;
  }

  header.site-header .header-inner .main-nav {
    padding-right: 24px !important;
    -webkit-mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 26px), transparent 100%);
    mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 26px), transparent 100%);
  }
}

/* ===========================================================
   移动端导航触控高度（2026-11-04 复检补充）
   原来 chip 只有 26-28px 高，低于 44px 的触控建议值，横滑时容易点错。
   抬到 34/32px，导航行同步加高 4px，不影响首屏其它内容。
   =========================================================== */
@media (max-width: 992px) {
  header.site-header .header-inner .main-nav {
    height: 44px !important;
    min-height: 44px !important;
  }
  header.site-header .header-inner .main-nav .nav-link {
    height: 34px !important;
    border-radius: 17px !important;
  }
}
@media (max-width: 420px) {
  header.site-header .header-inner .main-nav {
    height: 42px !important;
    min-height: 42px !important;
  }
  header.site-header .header-inner .main-nav .nav-link {
    height: 32px !important;
    border-radius: 16px !important;
  }
}

/* ===========================================================
   移动端小触控目标修复（2026-11-05 第二轮复检补充）
   目标：所有可点元素高度 ≥28px。手法：
   - 列表型链接（页脚导航）：真实 padding，行距略增，热区不重叠
   - 行内/表格内链接：padding 扩大热区 + 负 margin 抵消布局位移
   =========================================================== */
@media (max-width: 992px) {
  /* 页脚导航链接 19px → 约 33px */
  footer.site-footer .footer-links a {
    display: inline-block !important;
    padding: 7px 0 !important;
  }
  /* 页脚法务行链接 20px → 约 36px（热区外扩，布局不变） */
  footer.site-footer a:not(.footer-social-btn):not(.footer-links a) {
    padding: 8px 4px !important;
    margin: -8px -4px !important;
  }
  /* 产品规格表型号代码链接 18px → 约 34px */
  td > a:not(.pdf-tag):not(:has(img)) {
    display: inline-block !important;
    padding: 8px 8px !important;
    margin: -8px -8px !important;
  }
  /* 规格表 PDF 下载标签 22px → 约 34px */
  td > a.pdf-tag, a.pdf-tag {
    padding: 6px 8px !important;
    margin: -6px -8px !important;
  }
  /* 首页应用卡「View … Case Studies」22px → 约 38px */
  a[href*="#app-"] {
    display: inline-block !important;
    padding: 8px 6px !important;
    margin: -8px -6px !important;
  }
  /* 技术页卡片「Read guide →」21px → 约 37px */
  .th-more {
    display: inline-block !important;
    padding: 8px 4px !important;
    margin: -8px -4px !important;
  }
}

/* ===========================================================
   移动端小触控目标修复·第二批（2026-11-05 第二轮复检）
   面包屑（header 后的内联样式条）、邮箱/电话裸链接、
   资源卡「Download PDF →」、Google Maps 链接
   =========================================================== */
@media (max-width: 992px) {
  /* 面包屑链接 21px → 约 37px（热区外扩，布局不变） */
  header.site-header + div .container a,
  header.site-header ~ div .container a[style*="color: #64748B"] {
    display: inline-block !important;
    padding: 8px 6px !important;
    margin: -8px -6px !important;
  }
  /* 邮箱 / 电话裸链接 18px → 约 34px */
  a[href^="mailto:"],
  a[href^="tel:"] {
    display: inline-block !important;
    padding: 8px 4px !important;
    margin: -8px -4px !important;
  }
  /* 资源卡下载链接 21px → 约 37px（卡片内容贴屏缘，只做垂直扩展避免热区探出屏幕） */
  .resource-card a {
    display: inline-block !important;
    padding: 8px 0 !important;
    margin: -8px 0 !important;
  }
  /* Google Maps 链接 */
  a[href*="google.com/maps"] {
    display: inline-block !important;
    padding: 8px 4px !important;
    margin: -8px -4px !important;
  }
}

/* 第三批补漏（2026-11-05）：tech 文章面包屑（#94A3B8）与 maps.google.com/?q= 链接 */
@media (max-width: 992px) {
  header.site-header ~ div .container a[style*="color: #94A3B8"],
  header.site-header ~ section .container a[style*="color: #94A3B8"] {
    display: inline-block !important;
    padding: 8px 6px !important;
    margin: -8px -6px !important;
  }
  a[href*="maps.google.com"] {
    display: inline-block !important;
    padding: 8px 4px !important;
    margin: -8px -4px !important;
  }
}

/* 按面包屑行结构选（覆盖任意内联颜色），收口「Tech Hub」等高亮链接 */
@media (max-width: 992px) {
  header.site-header ~ div .container div[style*="gap: 8px"] a,
  header.site-header ~ section .container div[style*="gap: 8px"] a {
    display: inline-block !important;
    padding: 8px 6px !important;
    margin: -8px -6px !important;
  }
}


/* Technology Hub: Toolbar search & filter layout */
.th-feed__toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:16px;padding:16px 20px;background:#F8FAFC;border:1px solid #E2E8F0;border-radius:10px}
.th-search--toolbar{max-width:380px;width:100%;margin:0;background:#FFFFFF;border:1px solid #CBD5E1;border-radius:8px;padding:4px 6px 4px 12px;box-shadow:0 1px 3px rgba(0,0,0,0.04)}
.th-search--toolbar input{border:none;background:transparent;font-size:13.5px;color:#0F2444;width:100%;padding:6px 8px;outline:none}
.th-search--toolbar input::placeholder{color:#94A3B8}
.th-search--toolbar .btn{padding:6px 14px;font-size:13px;border-radius:6px}
@media(max-width:992px){
  .th-feed__toolbar{flex-direction:column;align-items:stretch}
  .th-search--toolbar{max-width:100%}
}