:root {
/* === 主色板 === */
  --ac-white:            #FFFFFF;
  --ac-bg-light:         #F2F5F9;
  --ac-bg-slate:         #E9EDF3;
  --ac-border-light:     #E1E5EB;
  --ac-border-default:   #D0D5DD;

  /* === 强调色（香槟金方案） === */
  --ac-primary:          #00468C;
  --ac-primary-hover:    #003A73;
  --ac-primary-light:    #EBF2F9;
  --ac-primary-ring:     rgba(0,70,140,0.25);
  --ac-primary-glow:     rgba(0,70,140,0.10);
  --ac-primary-bright:   #0B6BCB;
  --ac-primary-light-bg: #E8F0FE;
  --ac-hero-overlay:     rgba(0, 70, 140, 0.5);
  --ac-section-bg:       #f8fafc;
  --ac-accent:           #D4A853;
  --ac-accent-glow:      rgba(212,168,83,0.10);
  --ac-heading:          #162852;

  /* === 文字色 === */
  --ac-text-primary:     #1A202C;
  --ac-text-secondary:   #4A5568;
  --ac-text-muted:       #718096;
  --ac-text-placeholder: #A0AEC0;

  /* === 功能色 === */
  --ac-success:          #10B981;
  --ac-success-light:    #ECFDF5;
  --ac-warning:          #F59E0B;
  --ac-warning-light:    #FFFBEB;
  --ac-error:            #EF4444;
  --ac-error-light:      #FEF2F2;

  /* === 阴影系 === */
  --ac-shadow-xs:        0 1px 2px rgba(0,0,0,0.05);
  --ac-shadow-sm:        0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --ac-shadow-md:        0 4px 12px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
  --ac-shadow-lg:        0 10px 30px rgba(0,0,0,0.08), 0 4px 8px rgba(0,0,0,0.04);
  --ac-shadow-xl:        0 20px 50px rgba(0,0,0,0.10), 0 8px 16px rgba(0,0,0,0.04);

  /* === 圆角 === */
  --ac-radius-sm:        6px;
  --ac-radius-md:        10px;
  --ac-radius-lg:        16px;
  --ac-radius-xl:        24px;
  --ac-radius-full:      9999px;

  /* === 间距 === */
  --ac-section-gap:      80px;
  --ac-section-gap-sm:   48px;
  --ac-content-max:      1200px;

  /* === 字体 === */
  --ac-font-sans:         -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  --ac-font-mono:         "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;

  /* === 动画 === */
  --ac-transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --ac-transition-base:   250ms cubic-bezier(0.4, 0, 0.2, 1);
  --ac-transition-slow:   400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* === z-index 层级体系 === */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 500;
  --z-overlay: 1000;
  --z-modal: 10000;
}

.arcticore-root,
.arcticore-page {
font-family: var(--ac-font-sans);
  color: var(--ac-text-primary);
  background-color: var(--ac-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.65;
}

.arcticore-page *,
.arcticore-page *::before,
.arcticore-page *::after {
box-sizing: border-box;
}

.ac-container {
max-width: var(--ac-content-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.ac-section {
padding-top: var(--ac-section-gap);
  padding-bottom: var(--ac-section-gap);
}

.ac-section-sm {
padding-top: var(--ac-section-gap-sm);
  padding-bottom: var(--ac-section-gap-sm);
}

.ac-section-alt {
background-color: var(--ac-bg-light);
}

.ac-section-white {
background-color: var(--ac-white);
}

.ac-heading-1 {
font-size: 48px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--ac-text-primary);
  letter-spacing: -0.02em;
}

.ac-heading-2 {
font-size: 36px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--ac-text-primary);
  letter-spacing: -0.01em;
}

.ac-heading-3 {
font-size: 24px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ac-text-primary);
}

.ac-heading-4 {
font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ac-text-primary);
}

.ac-section-label {
display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ac-primary);
  margin-bottom: 12px;
}

.ac-section-label::before {
content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--ac-primary);
  border-radius: 2px;
}

.ac-section-subtitle {
font-size: 17px;
  color: var(--ac-text-secondary);
  max-width: 640px;
  margin-top: 12px;
  line-height: 1.65;
}

.ac-btn {
display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border-radius: var(--ac-radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--ac-transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.ac-btn-primary {
background-color: var(--ac-primary);
  color: var(--ac-white);
  border-color: var(--ac-primary);
  box-shadow: var(--ac-shadow-sm);
}

.ac-btn-primary:hover {
background-color: var(--ac-primary-hover);
  border-color: var(--ac-primary-hover);
  box-shadow: 0 4px 20px var(--ac-accent-glow);
  transform: translateY(-1px);
}

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

.ac-btn-outline:hover {
background-color: var(--ac-primary-light);
  border-color: var(--ac-primary-hover);
  color: var(--ac-primary-hover);
}

.ac-btn-ghost {
background-color: transparent;
  color: var(--ac-primary);
  border-color: transparent;
  padding-left: 4px;
  padding-right: 4px;
}

.ac-btn-ghost:hover {
background-color: var(--ac-primary-light);
  color: var(--ac-primary-hover);
}

.ac-btn-lg {
padding: 14px 36px;
  font-size: 16px;
  border-radius: var(--ac-radius-lg);
}

.ac-btn-sm {
padding: 8px 18px;
  font-size: 13px;
  border-radius: var(--ac-radius-sm);
}

.ac-card {
background: var(--ac-white);
  border: 1px solid var(--ac-border-light);
  border-radius: var(--ac-radius-lg);
  padding: 32px;
  box-shadow: var(--ac-shadow-sm);
  transition: all var(--ac-transition-base);
  text-align: center;
}

.ac-card:hover {
box-shadow: var(--ac-shadow-lg);
  border-color: var(--ac-accent);
  transform: translateY(-2px);
}

.ac-card-icon {
display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--ac-radius-md);
  background-color: var(--ac-primary-light);
  color: var(--ac-primary);
  font-size: 22px;
  margin-bottom: 16px;
}

.ac-hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  background-color: var(--ac-bg-light);
  overflow: hidden;
  padding-bottom: var(--ac-section-gap-sm, 48px);
}

.ac-hero::before {
content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--ac-primary-glow) 0%, transparent 70%);
  pointer-events: none;
}

.ac-hero::after {
content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,70,140,0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* Banner variant — no forced 80vh, natural height from image */
.ac-hero--banner {
  min-height: auto;
  display: block;
  padding-bottom: 0;
}

/* ── Enhanced Banner Styles ── */
.ac-hero--banner > div {
  border-radius: 0 0 2.5rem 2.5rem;
}

.ac-hero--banner img {
  min-height: 320px;
  height: 460px;
  object-position: center 30%;
  transition: transform 8s ease, filter 0.6s ease;
}

.ac-hero--banner:hover img {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* Gradient overlay — deeper multi-stop for readability */
.ac-hero--banner .absolute.inset-0:first-of-type {
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.88) 0%,
    rgba(0, 0, 0, 0.55) 40%,
    rgba(0, 0, 0, 0.12) 80%,
    rgba(0, 0, 0, 0) 100%
  ) !important;
}

.ac-hero--banner .absolute.inset-0:first-of-type::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.15), transparent);
  pointer-events: none;
}

/* Title */
.ac-hero--banner h1 {
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.45);
  letter-spacing: -0.01em;
}

.ac-hero--banner h1::after {
  content: '';
  display: block;
  width: 64px;
  height: 3px;
  margin: 18px auto 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--ac-primary, var(--ac-primary)), rgba(0,70,140, 0.2));
}

/* Subtitle */
.ac-hero--banner p {
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.35);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .ac-hero--banner img {
    min-height: 240px;
    height: 340px;
  }
  .ac-hero--banner h1::after {
    width: 48px;
    height: 2px;
    margin-top: 14px;
  }
}

/* Tighten gap between homepage Hero and the first content section
   — Hero already has padding-bottom, avoid double-spacing */
#home-banner + .ac-section {
  padding-top: var(--ac-section-gap-sm, 48px);
}

.ac-hero-content {
position: relative;
  z-index: 1;
  max-width: 680px;
}

.ac-hero-title {
font-size: 52px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--ac-text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.ac-hero-title .ac-highlight {
color: var(--ac-primary);
}

.ac-hero-desc {
font-size: 18px;
  color: var(--ac-text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 560px;
}

.ac-hero-actions {
display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.ac-stats-bar {
display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--ac-border-light);
  border-bottom: 1px solid var(--ac-border-light);
}

.ac-stat-item {
text-align: center;
  padding: 40px 16px;
  border-right: 1px solid var(--ac-border-light);
}

.ac-stat-item:last-child {
border-right: none;
}

.ac-stat-number {
font-size: 40px;
  font-weight: 800;
  color: var(--ac-primary);
  line-height: 1.1;
  margin-bottom: 4px;
}

.ac-stat-label {
font-size: 14px;
  color: var(--ac-text-muted);
  font-weight: 500;
}

.ac-features-grid {
display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.ac-feature-card {
background: var(--ac-white);
  border: 1px solid var(--ac-border-light);
  border-radius: var(--ac-radius-lg);
  padding: 36px 28px;
  transition: all var(--ac-transition-base);
  text-align: center;
}

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

.ac-feature-card > div:first-of-type {
  margin-left: auto;
  margin-right: auto;
}

.ac-feature-icon-wrap {
display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--ac-radius-md);
  background: var(--ac-primary-light);
  color: var(--ac-primary);
  font-size: 24px;
  margin-bottom: 20px;
}

.ac-feature-title {
font-size: 18px;
  font-weight: 700;
  color: var(--ac-text-primary);
  margin-bottom: 8px;
}

.ac-feature-desc {
font-size: 15px;
  color: var(--ac-text-secondary);
  line-height: 1.65;
}

.ac-products-grid {
display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

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

.ac-product-img {
width: 100%;
  height: 240px;
  object-fit: cover;
  background-color: var(--ac-bg-slate);
}

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

.ac-product-title {
font-size: 18px;
  font-weight: 700;
  color: var(--ac-text-primary);
  margin-bottom: 8px;
}

.ac-product-desc {
font-size: 14px;
  color: var(--ac-text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.ac-product-tags {
display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ac-tag {
display: inline-block;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--ac-primary);
  background: var(--ac-primary-light);
  border-radius: var(--ac-radius-full);
}

.ac-scenarios-grid {
display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.ac-scenario-card {
position: relative;
  border-radius: var(--ac-radius-lg);
  overflow: hidden;
  min-height: 260px;
  background-color: var(--ac-bg-slate);
  transition: all var(--ac-transition-base);
}

.ac-scenario-card:hover {
box-shadow: var(--ac-shadow-lg);
}

.ac-scenario-img {
width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.ac-scenario-overlay {
position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
  color: var(--ac-white);
}

.ac-scenario-title {
font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.ac-scenario-desc {
font-size: 14px;
  opacity: 0.85;
  line-height: 1.5;
}

.ac-about-layout {
display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 40px;
}

.ac-about-image-wrap {
position: relative;
  border-radius: var(--ac-radius-lg);
  overflow: hidden;
}

.ac-about-image-wrap img {
width: 100%;
  height: auto;
  display: block;
  border-radius: var(--ac-radius-lg);
}

.ac-about-badge {
position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--ac-primary);
  color: var(--ac-white);
  padding: 20px 28px;
  border-radius: var(--ac-radius-md);
  text-align: center;
  box-shadow: var(--ac-shadow-lg);
}

.ac-about-badge-num {
font-size: 32px;
  font-weight: 800;
  line-height: 1.1;
}

.ac-about-badge-label {
font-size: 12px;
  opacity: 0.85;
  margin-top: 2px;
}

.ac-about-features {
list-style: none;
  padding: 0;
  margin: 24px 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ac-about-feature-item {
display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--ac-text-secondary);
}

.ac-about-feature-item i {
color: var(--ac-primary);
  font-size: 16px;
  margin-top: 3px;
  flex-shrink: 0;
}

.ac-contact-wrap {
max-width: 720px;
  margin: 40px auto 0;
}

.ac-contact-form {
display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.ac-contact-form .ac-field-full {
grid-column: 1 / -1;
}

.ac-field {
display: flex;
  flex-direction: column;
  gap: 6px;
}

.ac-field label {
font-size: 14px;
  font-weight: 600;
  color: var(--ac-text-primary);
}

.ac-field input,
.ac-field textarea,
.ac-field select {
padding: 12px 16px;
  font-size: 15px;
  border: 1.5px solid var(--ac-border-default);
  border-radius: var(--ac-radius-md);
  background: var(--ac-white);
  color: var(--ac-text-primary);
  transition: all var(--ac-transition-fast);
  font-family: var(--ac-font-sans);
}

.ac-field input::placeholder,
.ac-field textarea::placeholder {
color: var(--ac-text-placeholder);
}

.ac-field input:focus,
.ac-field textarea:focus,
.ac-field select:focus {
outline: none;
  border-color: var(--ac-primary);
  box-shadow: 0 0 0 3px var(--ac-primary-ring);
}

.ac-field textarea {
resize: vertical;
  min-height: 120px;
}

.ac-blog-grid {
display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.ac-blog-card {
background: var(--ac-white);
  border: 1px solid var(--ac-border-light);
  border-radius: var(--ac-radius-lg);
  overflow: hidden;
  transition: all var(--ac-transition-base);
}

.ac-blog-card:hover {
box-shadow: var(--ac-shadow-lg);
  transform: translateY(-4px);
}

.ac-blog-img {
width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--ac-bg-slate);
}

.ac-blog-body {
padding: 24px;
}

.ac-blog-date {
font-size: 12px;
  color: var(--ac-text-muted);
  font-weight: 500;
  margin-bottom: 8px;
}

.ac-blog-title {
font-size: 17px;
  font-weight: 700;
  color: var(--ac-text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.ac-blog-excerpt {
font-size: 14px;
  color: var(--ac-text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}

.ac-blog-link {
font-size: 14px;
  font-weight: 600;
  color: var(--ac-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--ac-transition-fast);
}

.ac-blog-link:hover {
gap: 8px;
  color: var(--ac-primary-hover);
}

.ac-certs-grid {
display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}



.ac-video-wrap {
position: relative;
  border-radius: var(--ac-radius-lg);
  overflow: hidden;
  margin-top: 40px;
  background-color: var(--ac-bg-slate);
  box-shadow: var(--ac-shadow-lg);
}

.ac-video-wrap video,
.ac-video-wrap iframe {
width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
}

.ac-video-poster {
position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  cursor: pointer;
}

.ac-video-poster img {
width: 100%;
  height: 100%;
  object-fit: cover;
}

.ac-video-play-btn {
position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(0,70,140, 0.9);
  color: var(--ac-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  box-shadow: var(--ac-shadow-lg);
  transition: all var(--ac-transition-base);
}

.ac-video-poster:hover .ac-video-play-btn {
background: var(--ac-primary);
  transform: translate(-50%, -50%) scale(1.08);
}

.ac-cta {
background: linear-gradient(135deg, var(--ac-primary) 0%, var(--ac-primary-hover) 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.ac-cta::before {
content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  pointer-events: none;
}

.ac-cta::after {
content: '';
  position: absolute;
  bottom: -40%;
  right: -15%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
  pointer-events: none;
}

.ac-cta-content {
position: relative;
  z-index: 1;
}

.ac-cta-title {
font-size: 36px;
  font-weight: 800;
  color: var(--ac-white);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.ac-cta-desc {
font-size: 17px;
  color: rgba(255,255,255,0.85);
  max-width: 540px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.ac-cta .ac-btn-primary {
background: var(--ac-white);
  color: var(--ac-primary);
  border-color: var(--ac-white);
}

.ac-cta .ac-btn-primary:hover {
background: rgba(255,255,255,0.9);
  color: var(--ac-primary-hover);
}

.ac-cta .ac-btn-outline {
border-color: rgba(255,255,255,0.4);
  color: var(--ac-white);
}

.ac-cta .ac-btn-outline:hover {
border-color: var(--ac-white);
  background: rgba(255,255,255,0.1);
  color: var(--ac-white);
}

.ac-footer {
background: #0F172A;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 32px;
}

.ac-footer a {
color: rgba(255,255,255,0.7);
  transition: color var(--ac-transition-fast);
}

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

.ac-footer-grid {
display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.ac-footer-brand {
font-size: 20px;
  font-weight: 700;
  color: var(--ac-white);
  margin-bottom: 12px;
}

.ac-footer-desc {
font-size: 14px;
  line-height: 1.7;
}

.ac-footer-col-title {
font-size: 14px;
  font-weight: 700;
  color: var(--ac-white);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.ac-footer-links {
list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ac-footer-links a {
font-size: 14px;
  text-decoration: none;
}

.ac-footer-bottom {
border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 40px;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.ac-page-header {
background-color: var(--ac-bg-light);
  padding: 64px 0;
  text-align: center;
  position: relative;
}

.ac-breadcrumb {
display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ac-text-muted);
  margin-bottom: 12px;
}

.ac-breadcrumb a {
color: var(--ac-text-muted);
  text-decoration: none;
  transition: color var(--ac-transition-fast);
}

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

.ac-breadcrumb .ac-sep {
color: var(--ac-border-default);
}

.ac-tabs-nav {
display: flex;
  gap: 4px;
  background: var(--ac-bg-slate);
  border-radius: var(--ac-radius-md);
  padding: 4px;
  margin-bottom: 32px;
  overflow-x: auto;
}

.ac-tab-btn {
padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ac-text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--ac-radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--ac-transition-fast);
}

.ac-tab-btn.active,
.ac-tab-btn:hover {
background: var(--ac-white);
  color: var(--ac-primary);
  box-shadow: var(--ac-shadow-xs);
}

.ac-tab-panel {
display: none;
}

.ac-tab-panel.active {
display: block;
}

.ac-timeline {
position: relative;
  max-width: 800px;
  margin: 40px auto 0;
  padding-left: 32px;
}

.ac-timeline::before {
content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--ac-border-light);
}

.ac-timeline-item {
position: relative;
  margin-bottom: 32px;
  padding-left: 32px;
}

.ac-timeline-item::before {
content: '';
  position: absolute;
  left: -25px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ac-primary);
  border: 3px solid var(--ac-white);
  box-shadow: var(--ac-shadow-sm);
}

.ac-timeline-date {
font-size: 13px;
  font-weight: 600;
  color: var(--ac-primary);
  margin-bottom: 4px;
}

.ac-timeline-title {
font-size: 18px;
  font-weight: 700;
  color: var(--ac-text-primary);
  margin-bottom: 6px;
}

.ac-timeline-desc {
font-size: 14px;
  color: var(--ac-text-secondary);
  line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
.arcticore-page *,
  .arcticore-page *::before,
  .arcticore-page *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1024px) {
.ac-features-grid,
  .ac-products-grid,
  .ac-blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ac-certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ac-stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .ac-stat-item {
    border-bottom: 1px solid var(--ac-border-light);
  }
  .ac-stat-item:nth-child(2n) {
    border-right: none;
  }
  .ac-about-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .ac-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .ac-scenarios-grid {
    grid-template-columns: 1fr;
  }
  .ac-heading-1 {
    font-size: 38px;
  }
  .ac-heading-2 {
    font-size: 30px;
  }
  .ac-hero-title {
    font-size: 40px;
  }
}

@media (max-width: 640px) {

  .ac-section {
    padding-top: var(--ac-section-gap-sm);
    padding-bottom: var(--ac-section-gap-sm);
  }
  .ac-features-grid,
  .ac-products-grid,
  .ac-blog-grid {
    grid-template-columns: 1fr;
  }
  .ac-certs-grid {
    grid-template-columns: 1fr;
  }
  .ac-stats-bar {
    grid-template-columns: 1fr;
  }
  .ac-stat-item {
    border-right: none;
  }
  .ac-footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .ac-heading-1 {
    font-size: 32px;
  }
  .ac-heading-2 {
    font-size: 26px;
  }
  .ac-heading-3 {
    font-size: 20px;
  }
  .ac-heading-4 {
    font-size: 18px;
  }
  .ac-hero-title {
    font-size: 32px;
  }
  .ac-contact-form {
    grid-template-columns: 1fr;
  }
  .ac-hero-actions {
    flex-direction: column;
  }
  .ac-cta-title {
    font-size: 28px;
  }

}

.ac-pagination {
display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.ac-pagination .page-numbers {
display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ac-text-secondary);
  background: var(--ac-white);
  border: 1px solid var(--ac-border-light);
  border-radius: var(--ac-radius-sm);
  text-decoration: none;
  transition: all var(--ac-transition-fast);
}

.ac-pagination .page-numbers.current {
background: var(--ac-primary);
  color: var(--ac-white);
  border-color: var(--ac-primary);
  box-shadow: var(--ac-shadow-sm);
}

.ac-pagination .page-numbers:hover:not(.current):not(.dots) {
border-color: var(--ac-primary);
  color: var(--ac-primary);
  background: var(--ac-primary-light);
}

.ac-pagination .page-numbers.dots {
border-color: transparent;
  background: transparent;
  color: var(--ac-text-muted);
  cursor: default;
}

.ac-pagination .page-numbers.prev:not(a),
.ac-pagination .page-numbers.next:not(a) {
color: var(--ac-text-muted);
  border-color: var(--ac-border-light);
  background: var(--ac-bg-subtle);
  cursor: not-allowed;
  opacity: 0.55;
}

.ac-empty-state {
text-align: center;
  padding: 80px 24px;
}

.ac-empty-icon {
display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--ac-primary-light);
  color: var(--ac-primary);
  font-size: 32px;
  margin-bottom: 24px;
}

.ac-downloads-grid {
display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.ac-download-card {
text-align: center;
}

.ac-download-card .ac-heading-4 {
margin-bottom: 8px;
}

.ac-download-desc {
font-size: 14px;
  color: var(--ac-text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.ac-media-grid {
display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.ac-media-item {
cursor: pointer;
  border-radius: var(--ac-radius-md);
  overflow: hidden;
  transition: transform var(--ac-transition-base), box-shadow var(--ac-transition-base);
}

.ac-media-item:hover {
transform: scale(1.03);
  box-shadow: var(--ac-shadow-lg);
}

.ac-media-thumb {
position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ac-bg-slate);
}

.ac-media-thumb img,
.ac-media-thumb video {
width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ac-media-overlay {
position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.1) 60%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  transition: opacity var(--ac-transition-base);
}

.ac-media-item:hover .ac-media-overlay {
opacity: 1;
}

.ac-media-zoom-icon {
display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.95);
  color: var(--ac-primary);
  font-size: 18px;
}

.ac-media-caption {
font-size: 12px;
  color: #fff;
  font-weight: 500;
  text-align: center;
  padding: 0 8px;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ac-media-play-badge {
position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0,70,140,0.85);
  color: var(--ac-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: var(--ac-shadow-md);
  pointer-events: none;
}

.ac-media-placeholder {
width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ac-text-muted);
  font-size: 36px;
}

.ac-lightbox {
position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ac-lightbox[aria-hidden="true"] {
display: none;
}

.ac-lightbox-backdrop {
position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.92);
  cursor: pointer;
}

.ac-lightbox-content {
position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ac-lightbox-body {
display: flex;
  align-items: center;
  justify-content: center;
}

.ac-lightbox-body img,
.ac-lightbox-body video {
max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--ac-radius-md);
}

.ac-lightbox-caption {
position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  text-align: center;
  white-space: nowrap;
  max-width: 80vw;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ac-lightbox-close {
position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.15);
  color: var(--ac-white);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--ac-transition-fast);
  z-index: 2;
}

.ac-lightbox-close:hover {
background: rgba(255,255,255,0.3);
}

.ac-lightbox-prev,
.ac-lightbox-next {
position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.15);
  color: var(--ac-white);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--ac-transition-fast);
  z-index: 2;
}

.ac-lightbox-prev:hover,
.ac-lightbox-next:hover {
background: rgba(255,255,255,0.3);
}

.ac-lightbox-prev {
left: -60px;
}

.ac-lightbox-next {
right: -60px;
}

@media (max-width: 1024px) {
.ac-downloads-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ac-media-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {

  .ac-downloads-grid {
    grid-template-columns: 1fr;
  }
  .ac-media-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ac-lightbox-prev {
    left: 8px;
  }
  .ac-lightbox-next {
    right: 8px;
  }
  .ac-empty-state {
    padding: 48px 16px;
  }

}

@media (prefers-color-scheme: dark) {
.arcticore-page.arcticore-auto-dark {
    --ac-white:            #1A202C;
    --ac-bg-light:         #2D3748;
    --ac-bg-slate:         #374151;
    --ac-border-light:     #4A5568;
    --ac-border-default:   #5A6A7E;
    --ac-text-primary:     #F7FAFC;
    --ac-text-secondary:   #CBD5E0;
    --ac-text-muted:       #A0AEC0;
    --ac-text-placeholder: #718096;
    --ac-shadow-xs:        0 1px 2px rgba(0,0,0,0.3);
    --ac-shadow-sm:        0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.2);
    --ac-shadow-md:        0 4px 12px rgba(0,0,0,0.4), 0 2px 4px rgba(0,0,0,0.2);
    --ac-shadow-lg:        0 10px 30px rgba(0,0,0,0.5), 0 4px 8px rgba(0,0,0,0.3);
    --ac-shadow-xl:        0 20px 50px rgba(0,0,0,0.6), 0 8px 16px rgba(0,0,0,0.3);
    --ac-primary-light:    rgba(0,70,140, 0.15);
    --ac-primary-ring:     rgba(0,70,140, 0.35);
  }
}

.ac-link-hover {
transition: color var(--ac-transition-base) ease;
}

.ac-link-hover:hover {
color: var(--ac-primary) !important;
}

.ac-link-text {
color: var(--ac-text-secondary);
}

.ac-link-text:hover {
color: var(--ac-primary);
}

.ac-icon-primary {
color: var(--ac-primary);
}

.ac-solutions-grid {
display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
}

@media (min-width: 768px) {

    .ac-solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}

@media (min-width: 1024px) {

    .ac-solutions-grid {
        grid-template-columns: repeat(3, 1fr);
    }

}

.ac-divider {
width: 5rem;
    height: 0.25rem;
    background: var(--ac-primary);
    border-radius: 9999px;
    margin-bottom: 1.5rem;
}

.ac-form-input {
width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid #d1d5db;
    background: var(--ac-bg-light);
    color: var(--ac-text-primary);
    transition: all 0.3s ease;
    font-size: 1rem;
}

.ac-form-input:focus {
outline: none;
    border-color: var(--ac-primary);
    background: var(--ac-white);
    box-shadow: 0 0 0 3px rgba(0,70,140, 0.15);
}

.ac-form-input::placeholder {
color: #6b7280;
}

.ac-form-grid {
display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 1024px) {

    .ac-form-grid {
        grid-template-columns: 1fr 1fr;
    }

}

.ac-form-row {
display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {

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

}

.ac-form-group {
display: flex;
    flex-direction: column;
}

.ac-section-desc {
color: var(--ac-text-secondary);
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.ac-feature-icon {
width: 3.5rem;
    height: 3.5rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    margin-left: auto;
    margin-right: auto;
    background: #E8F0FE;
    color: var(--ac-primary);
    font-size: 1.25rem;
}

.ac-card-title {
font-size: 1.25rem;
    font-weight: 600;
    color: var(--ac-text-primary);
    margin-bottom: 0.5rem;
}

.ac-card-desc {
color: var(--ac-text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

.ac-blog-thumb {
width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.ac-blog-card:hover .ac-blog-thumb {
transform: scale(1.1);
}

.ac-section-header {
text-align: center;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 4rem;
}

.ac-logo-card {
transition: all 0.3s ease;
}

.ac-logo-card:hover {
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.ac-testimonial-carousel {
position: relative;
}

.ac-testimonial-dot {
transition: all 0.3s ease;
    cursor: pointer;
}

.ac-testimonial-dot:hover {
background-color: var(--ac-primary);
    opacity: 0.6;
}

.ac-quick-specs {
border-bottom: 1px solid #E2E8F0;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.ac-quick-specs .spec-row {
display: flex;
    align-items: center;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.ac-quick-specs .spec-row:last-child {
margin-bottom: 0;
}

.ac-quick-specs .spec-icon {
width: 1.25rem;
    color: var(--ac-primary);
    margin-right: 0.75rem;
}

.ac-quick-specs .spec-label {
color: #475569;
}

.ac-quick-specs .spec-value {
margin-left: auto;
    font-weight: 500;
    color: #1a1a2e;
}

/* ===== Premium Section Banner (Full-Width Overlay) ===== */
.ac-section-banner {
  position: relative;
  width: 100%;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: calc(-1 * var(--ac-section-gap)) 0 2rem 0;
  overflow: hidden;
  border-radius: 12px;
}

.ac-section-banner--has-image {
  min-height: 420px;
  border-radius: 12px;
}

/* No image: compact centered text-only */
.ac-section-banner:not(.ac-section-banner--has-image) {
  min-height: auto;
  padding: 2.5rem 0;
  text-align: center;
  max-width: 720px;
  margin: 0 auto 2rem auto;
  border-radius: 0;
}

/* Background image */
.ac-section-banner__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
}

/* Semi-transparent overlay for text contrast */
.ac-section-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.65) 0%,
    rgba(0, 0, 0, 0.45) 50%,
    rgba(0,70,140, 0.35) 100%
  );
  z-index: 2;
}

/* Content centered on top of image */
.ac-section-banner__content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 3rem 2rem;
  max-width: 720px;
}

.ac-section-banner__subtitle {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  padding: 0.5em 1.5em;
  border-radius: 50px;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.ac-section-banner__title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 0;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.ac-section-banner__desc {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  max-width: 520px;
  margin: 0.75rem auto 0;
}

/* Responsive */
@media (max-width: 768px) {
  .ac-section-banner--has-image {
    min-height: 150px;
    height: 150px;
    border-radius: 0;
  }
  .ac-section-banner__content {
    padding: 2rem 1.25rem;
  }
  .ac-section-banner__title {
    font-size: 1.75rem;
  }
  .ac-section-banner__subtitle {
    font-size: 0.75rem;
    letter-spacing: 0.14em;
  }
  .ac-section-banner:not(.ac-section-banner--has-image) {
    padding: 1.5rem 0;
    max-width: 100%;
  }
}

.ac-breadcrumbs {
padding:1rem 0
}

.ac-breadcrumbs__list {
display:flex;align-items:center;flex-wrap:wrap;list-style:none;margin:0;padding:0;font-size:.875rem
}

.ac-breadcrumbs__item {
display:flex;align-items:center;color:#64748b
}

.ac-breadcrumbs__item + .ac-breadcrumbs__item::before {
content:"/";margin:0 .5rem;color:#94a3b8
}

.ac-breadcrumbs__link {
color:var(--ac-primary);text-decoration:none;transition:color .2s
}

.ac-breadcrumbs__link:hover {
color:#0A5EAF
}

.ac-breadcrumbs__current {
font-weight:700;color:#1a1a2e
}

img[loading="lazy"] {
background:#F5F7FA;min-height:200px
}

.ac-factory-gallery {
display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2rem
}

.ac-factory-gallery__item {
position:relative;overflow:hidden;border-radius:12px;cursor:pointer;aspect-ratio:4/3;transition:transform .3s
}

.ac-factory-gallery__item:hover {
transform:scale(1.03)
}

.ac-factory-gallery__label {
position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(0,0,0,.7));color:#fff;padding:1.5rem 1rem .75rem;font-size:.9375rem;font-weight:600
}

.ac-factory-gallery__placeholder {
width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:#64748b;font-size:.875rem;text-align:center;padding:1rem
}

.ac-gallery-lightbox {
display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.92);z-index:9999;align-items:center;justify-content:center;flex-direction:column
}

.ac-gallery-lightbox.active {
display:flex
}

.ac-gallery-lightbox__content {
max-width:90vw;max-height:85vh;border-radius:12px;overflow:hidden;background:#1a1a2e;padding:2rem;text-align:center;position:relative
}

.ac-gallery-lightbox__placeholder {
width:100%;min-width:480px;min-height:320px;display:flex;align-items:center;justify-content:center;border-radius:8px;font-size:1.25rem;color:#E2E8F0
}

.ac-gallery-lightbox__caption {
color:#E2E8F0;font-size:1.125rem;margin-top:1rem;font-weight:500
}

.ac-gallery-lightbox__close {
position:absolute;top:-40px;right:0;color:#fff;font-size:1.5rem;cursor:pointer;background:none;border:none;padding:8px
}

.ac-gallery-lightbox__prev,.ac-gallery-lightbox__next {
position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:2rem;cursor:pointer;background:rgba(255,255,255,.1);border:none;border-radius:50%;width:48px;height:48px;display:flex;align-items:center;justify-content:center;transition:background .2s
}

.ac-gallery-lightbox__prev:hover,.ac-gallery-lightbox__next:hover {
background:rgba(255,255,255,.25)
}

.ac-gallery-lightbox__prev {
left:-60px
}

.ac-gallery-lightbox__next {
right:-60px
}

@media(max-width:768px) {
.ac-factory-gallery{grid-template-columns:repeat(2,1fr)}.ac-gallery-lightbox__prev{left:8px}.ac-gallery-lightbox__next{right:8px}.ac-gallery-lightbox__placeholder{min-width:280px;min-height:200px}
}

@media(max-width:480px) {
.ac-factory-gallery{grid-template-columns:1fr}
}

.ac-download-tabs {
display:flex;gap:.5rem;margin-bottom:2rem;flex-wrap:wrap
}

.ac-download-tab {
padding:.625rem 1.5rem;border-radius:50px;font-size:.875rem;font-weight:600;cursor:pointer;border:none;background:#F5F7FA;color:#64748b;transition:all .2s
}

.ac-download-tab:hover {
background:#E8F0FE;color:var(--ac-primary)
}

.ac-download-tab.active {
background:#fff;color:var(--ac-primary);box-shadow:0 1px 3px rgba(0,0,0,.1),0 0 0 2px var(--ac-primary)
}

.ac-faq-section {
background-color: #F8FAFC;
}

.ac-faq-list {
max-width: 800px;
    margin: 0 auto;
}

.ac-faq-item {
background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.ac-faq-item:hover {
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.ac-faq-item > summary {
padding: 18px 24px;
    font-weight: 600;
    font-size: 1.05rem;
    color: #0F172A;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    user-select: none;
}

.ac-faq-item > summary::-webkit-details-marker {
display: none;
}

.ac-faq-item > summary::after {
content: "\f107";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.9rem;
    color: #64748B;
    transition: transform var(--ac-transition-base) ease;
    flex-shrink: 0;
    margin-left: 16px;
}

.ac-faq-item[open] > summary::after {
transform: rotate(180deg);
    color: var(--ac-primary);
}

.ac-faq-item[open] > summary {
color: var(--ac-primary);
}

.ac-faq-answer {
padding: 0 24px 18px 24px;
    color: #475569;
    line-height: 1.7;
    font-size: 0.95rem;
}

@media (max-width: 640px) {
.ac-faq-item > summary {
        padding: 14px 16px;
        font-size: 0.95rem;
    }
    .ac-faq-answer {
        padding: 0 16px 14px 16px;
    }
}

.ac-case-studies-grid {
display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.ac-case-card {
background: #FFFFFF;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #E2E8F0;
    transition: transform var(--ac-transition-base) ease, box-shadow var(--ac-transition-base) ease;
    display: flex;
    flex-direction: column;
}

.ac-case-card:hover {
transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.ac-case-card-header {
padding: 0;
}

.ac-case-card__banner {
padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-radius: 16px 16px 0 0;
}

.ac-case-card__icon {
width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    flex-shrink: 0;
}

.ac-case-card__icon i {
font-size: 1.25rem;
    color: #FFFFFF;
}

.ac-case-card-header h3 {
font-size: 1.05rem;
    font-weight: 700;
    color: #FFFFFF;
    margin: 0;
    line-height: 1.35;
}

.ac-case-card-body {
padding: 16px 24px 16px 24px;
    flex-grow: 1;
}

.ac-case-step {
margin-bottom: 12px;
}

.ac-case-step-label {
font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ac-primary);
    margin-bottom: 4px;
}

.ac-case-step-text {
font-size: 0.88rem;
    color: #475569;
    line-height: 1.55;
}

.ac-case-card-footer {
padding: 16px 24px 24px 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    border-top: 1px solid #F1F5F9;
}

.ac-case-badge {
display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #FFFFFF;
    background: linear-gradient(135deg, var(--ac-primary), #0077CC);
}

.ac-case-badge i {
font-size: 0.75rem;
}

@media (max-width: 900px) {

    .ac-case-studies-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

}

.ac-compare-table {
width: 100%;
    border-collapse: collapse;
    margin: 32px 0 0 0;
    font-size: 0.93rem;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.ac-compare-table thead th {
padding: 14px 16px;
    font-weight: 700;
    font-size: 0.9rem;
    text-align: left;
    background: #F1F5F9;
    color: #0F172A;
    border-bottom: 2px solid #E2E8F0;
}

.ac-compare-table thead th:first-child {
border-radius: 12px 0 0 0;
    min-width: 160px;
}

.ac-compare-table thead th:last-child {
border-radius: 0 12px 0 0;
}

.ac-compare-table tbody td {
padding: 12px 16px;
    border-bottom: 1px solid #F1F5F9;
    color: #475569;
}

.ac-compare-table tbody tr:nth-child(even) {
background-color: #F8FAFC;
}

.ac-compare-table tbody td:first-child {
font-weight: 700;
    color: var(--ac-primary);
}

.ac-compare-table .ac-compare-check {
color: #10B981;
    font-weight: 600;
}

.ac-compare-table .ac-compare-cross {
color: #94A3B8;
}

@media (max-width: 640px) {

    .ac-compare-table {
        font-size: 0.82rem;
    }
    .ac-compare-table thead th,
    .ac-compare-table tbody td {
        padding: 10px 12px;
    }

}

.ac-mobile-sticky-bar {
display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #FFFFFF;
    border-top: 1px solid #E2E8F0;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
    z-index: 999;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 8px 0;
}

@media (max-width: 768px) {

    .ac-mobile-sticky-bar {
        display: flex;
    }

}

.ac-sticky-btn {
display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: #475569;
    text-decoration: none;
    font-size: 0.72rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 8px;
    transition: color 0.2s ease, background 0.2s ease;
    flex: 1;
    text-align: center;
}

.ac-sticky-btn:hover,
.ac-sticky-btn:focus {
color: var(--ac-primary);
    background: #EFF6FF;
}

.ac-sticky-btn i {
font-size: 1.15rem;
}

.ac-sticky-btn--primary {
color: var(--ac-primary);
    font-weight: 600;
}

.ac-sticky-btn--primary i {
color: var(--ac-primary);
}

@media (max-width: 768px) {

    body {
        padding-bottom: 68px;
    }

}

.ac-qv-trigger {
position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0,70,140, 0.9);
    color: #FFFFFF;
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease, background 0.2s ease;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.ac-product-card:hover .ac-qv-trigger,
.ac-qv-trigger:focus {
opacity: 1;
}

.ac-qv-trigger i {
font-size: 0.85rem;
}

@media (max-width: 768px) {

    .ac-qv-trigger {
        opacity: 1;
        padding: 8px 16px;
        font-size: 0.8rem;
        background: rgba(0,70,140, 0.85);
    }

}

.ac-quickview-overlay {
position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.ac-quickview-overlay.is-open {
opacity: 1;
    visibility: visible;
}

.ac-quickview-modal {
position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: #FFFFFF;
    border-radius: 12px;
    max-width: 720px;
    width: calc(100% - 32px);
    max-height: 85vh;
    overflow-y: auto;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.ac-quickview-modal.is-open {
opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.ac-qv-close {
position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #94A3B8;
    cursor: pointer;
    z-index: 10;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s ease, color 0.2s ease;
}

.ac-qv-close:hover {
background: #F1F5F9;
    color: #0F172A;
}

.ac-qv-grid {
display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.ac-qv-left {
padding: 48px 24px 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #F8FAFC;
    border-radius: 12px 0 0 12px;
    min-height: 280px;
}

.ac-qv-placeholder {
width: 100%;
    height: 200px;
    background: #E2E8F0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94A3B8;
    font-size: 3rem;
}

.ac-qv-image {
    width: 100%;
    height: 200px;
    object-fit: contain;
    border-radius: 8px;
}

.ac-qv-right {
padding: 48px 24px 32px;
    display: flex;
    flex-direction: column;
}

.ac-qv-title {
font-size: 1.35rem;
    font-weight: 700;
    color: #0F172A;
    margin: 0 0 12px 0;
    line-height: 1.3;
}

.ac-qv-desc {
font-size: 0.9rem;
    color: #64748B;
    line-height: 1.6;
    margin: 0 0 20px 0;
}

.ac-qv-specs {
display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.ac-qv-spec {
font-size: 0.88rem;
    color: #334155;
    line-height: 1.5;
}

.ac-qv-spec span {
font-weight: 600;
    color: #0F172A;
}

.ac-qv-actions {
display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: auto;
}

.ac-qv-actions .ac-btn {
font-size: 0.88rem;
    padding: 10px 20px;
}

@media (max-width: 600px) {

    .ac-qv-grid {
        grid-template-columns: 1fr;
    }
    .ac-qv-left {
        border-radius: 12px 12px 0 0;
        min-height: 180px;
        padding: 32px 16px 16px;
    }
    .ac-qv-placeholder {
        height: 140px;
    }
    .ac-qv-image {
        height: 140px;
    }
    .ac-qv-right {
        padding: 16px 16px 24px;
    }

}

.ac-add-inquiry-btn {
display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: #FFFFFF;
    border: 1.5px solid var(--ac-primary);
    color: var(--ac-primary);
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.ac-add-inquiry-btn:hover {
background: var(--ac-primary);
    color: #FFFFFF;
}

.ac-add-inquiry-btn.ac-btn-added {
background: #10B981;
    border-color: #10B981;
    color: #FFFFFF;
}

.ac-add-inquiry-btn--large {
padding: 12px 20px;
    font-size: 0.95rem;
    justify-content: center;
}

.ac-inquiry-cart-icon {
position: fixed;
    right: 20px;
    bottom: 120px;
    width: 50px;
    height: 50px;
    background: var(--ac-primary);
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0,70,140, 0.35);
    z-index: 998;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ac-inquiry-cart-icon:hover {
transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(0,70,140, 0.45);
}

.ac-inquiry-cart-icon i {
font-size: 1.2rem;
}

.ac-cart-badge {
position: absolute;
    top: -4px;
    right: -4px;
    width: 22px;
    height: 22px;
    background: #EF4444;
    color: #FFFFFF;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 700;
    display: none;
    align-items: center;
    justify-content: center;
}

.ac-inquiry-drawer-overlay {
position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1002;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.ac-inquiry-drawer-overlay.is-open {
opacity: 1;
    visibility: visible;
}

.ac-inquiry-drawer {
position: fixed;
    top: 0;
    right: 0;
    width: 360px;
    max-width: calc(100% - 20px);
    height: 100%;
    background: #FFFFFF;
    z-index: 1003;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
}

.ac-inquiry-drawer.is-open {
transform: translateX(0);
}

.ac-drawer-header {
display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid #E2E8F0;
}

.ac-drawer-header h3 {
font-size: 1.15rem;
    font-weight: 700;
    color: #0F172A;
    margin: 0;
}

.ac-drawer-close {
background: none;
    border: none;
    font-size: 1.5rem;
    color: #94A3B8;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background 0.2s ease;
}

.ac-drawer-close:hover {
background: #F1F5F9;
}

.ac-drawer-body {
flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
}

.ac-drawer-empty {
text-align: center;
    color: #94A3B8;
    padding: 40px 0;
    font-size: 0.9rem;
}

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

.ac-drawer-item {
display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 14px 0;
    border-bottom: 1px solid #F1F5F9;
}

.ac-drawer-item:last-child {
border-bottom: none;
}

.ac-drawer-item-info {
flex: 1;
    min-width: 0;
}

.ac-drawer-item-name {
font-size: 0.9rem;
    font-weight: 600;
    color: #0F172A;
    text-decoration: none;
    display: block;
    line-height: 1.3;
    margin-bottom: 4px;
}

.ac-drawer-item-name:hover {
color: var(--ac-primary);
}

.ac-drawer-item-meta {
font-size: 0.78rem;
    color: #94A3B8;
}

.ac-drawer-item-remove {
background: none;
    border: none;
    color: #EF4444;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    flex-shrink: 0;
    margin-left: 12px;
    transition: background 0.2s ease;
}

.ac-drawer-item-remove:hover {
background: #FEF2F2;
}

.ac-drawer-footer {
padding: 16px 24px;
    border-top: 1px solid #E2E8F0;
}

.ac-drawer-submit {
display: block;
    text-align: center;
    text-decoration: none;
}

@media (max-width: 768px) {

    .ac-inquiry-cart-icon {
        right: 12px;
        bottom: 100px;
    }

}

.ac-search-suggest {
position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    list-style: none;
    margin: 4px 0 0 0;
    padding: 6px 0;
    z-index: 100;
    max-height: 320px;
    overflow-y: auto;
}

.ac-search-suggest li {
padding: 10px 16px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.15s ease;
    border-radius: 0;
}

.ac-search-suggest li:hover,
.ac-search-suggest li.is-active {
background: #EFF6FF;
}

.ac-suggest-title {
font-size: 0.9rem;
    color: #0F172A;
    font-weight: 500;
}

.ac-suggest-type {
font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    background: #F1F5F9;
    color: #64748B;
    margin-left: 12px;
    flex-shrink: 0;
}

.ac-compare-table-wrapper {
overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.ac-compare-table-full {
width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.92rem;
}

.ac-compare-thead {
position: sticky;
    top: 0;
    z-index: 10;
    background: #FFFFFF;
}

.ac-compare-thead th {
background: var(--ac-primary);
    color: #FFFFFF;
    font-weight: 700;
    padding: 16px 20px;
    text-align: center;
    position: sticky;
    top: 0;
}

.ac-compare-thead th:first-child {
border-radius: 12px 0 0 0;
    text-align: left;
    min-width: 180px;
    background: #F8FAFC;
    color: #0F172A;
}

.ac-compare-thead th:last-child {
border-radius: 0 12px 0 0;
}

.ac-compare-table-full td {
padding: 14px 20px;
    border-bottom: 1px solid #E2E8F0;
    text-align: center;
    vertical-align: middle;
    color: #334155;
}

.ac-compare-table-full .ac-compare-label-col {
font-weight: 700;
    color: #0F172A;
    background: #F8FAFC;
    text-align: left;
}

.ac-compare-table-full tr:nth-child(even) td:not(.ac-compare-label-col) {
background: #FAFBFC;
}

.ac-compare-image-row td {
padding: 20px;
    background: #FAFBFC !important;
}

.ac-compare-thumb {
max-width: 120px;
    height: auto;
    border-radius: 8px;
    display: inline-block;
}

.ac-compare-table-full .ac-compare-action-row td {
padding: 20px;
    background: transparent;
    border-bottom: none;
}

.ac-compare-action-row .ac-btn {
font-size: 0.85rem;
    white-space: nowrap;
}

@media (max-width: 640px) {

    .ac-compare-table-full {
        font-size: 0.82rem;
    }
    .ac-compare-thead th,
    .ac-compare-table-full td {
        padding: 10px 12px;
    }
    .ac-compare-thead th:first-child {
        min-width: 120px;
    }
    .ac-compare-thumb {
        max-width: 80px;
    }

}

.ac-compare-check {
position: absolute;
    top: 8px;
    left: 8px;
    z-index: 6;
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.9);
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #334155;
    cursor: pointer;
    backdrop-filter: blur(6px);
    border: 1px solid #E2E8F0;
    transition: border-color var(--ac-transition-fast) ease;
}

.ac-compare-check:hover {
border-color: var(--ac-primary);
}

.ac-compare-input {
width: 16px;
    height: 16px;
    accent-color: var(--ac-primary);
    cursor: pointer;
}

.ac-compare-bar {
position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #FFFFFF;
    border-top: 2px solid var(--ac-primary);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
    z-index: 996;
    padding: 14px 24px;
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.ac-compare-bar.is-visible {
transform: translateY(0);
}

.ac-compare-bar-inner {
display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.ac-compare-bar-text {
font-weight: 600;
    color: #0F172A;
    font-size: 0.95rem;
}

.ac-compare-bar-clear {
background: none;
    border: none;
    color: #64748B;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: underline;
    transition: color 0.2s ease;
}

.ac-compare-bar-clear:hover {
color: #EF4444;
}

@media (max-width: 768px) {

    .ac-compare-bar {
        padding: 10px 16px;
        bottom: 68px;
    }
    .ac-compare-bar-inner {
        gap: 12px;
    }
    .ac-compare-bar-text {
        font-size: 0.85rem;
    }

}

.ac-product-card {
position: relative;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
}

/* === Button Utility & Modifier Classes === */

.ac-btn-primary-bg {
    background-color: var(--ac-primary);
}

.hover\:ac-btn-primary-bg:hover {
    background-color: var(--ac-primary-hover);
}

.ac-btn-primary--cta {
    box-shadow: var(--ac-shadow-lg);
}

.ac-btn-primary--cta:hover {
    box-shadow: var(--ac-shadow-xl);
    transform: scale(1.05);
}

.ac-btn-primary--cta:focus-visible {
    outline: 2px solid var(--ac-primary);
    outline-offset: 2px;
}

.ac-btn-primary--cta:disabled,
.ac-btn-primary--cta.disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.ac-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    transition: background-color var(--ac-transition-base), color var(--ac-transition-base);
    text-decoration: none;
}

.ac-btn-icon.ac-btn-primary-bg {
    color: var(--ac-white);
}

.ac-btn-icon.ac-btn-primary-bg:hover {
    background-color: var(--ac-primary-hover);
}

/* Social share icon (gray default, primary hover) */
.ac-social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    background-color: #F3F4F6;
    color: #4B5563;
    transition: background-color var(--ac-transition-base), color var(--ac-transition-base);
    text-decoration: none;
}

.ac-social-icon:hover {
    background-color: var(--ac-primary);
    color: var(--ac-white);
}

/* ==========================================================================
   How We Work Process Section
   ========================================================================== */

.ac-how-we-work-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    position: relative;
    padding: 2rem 0;
}

.ac-how-we-work-step {
    text-align: center;
    padding: 1.5rem 1rem;
    position: relative;
    transition: transform var(--ac-transition-base) ease;
}

.ac-how-we-work-step:hover {
    transform: translateY(-6px);
}

/* Arrow connector between steps */
.ac-how-we-work-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 58px;
    right: -14px;
    width: 28px;
    height: 28px;
    border-top: 2px solid #d1d5db;
    border-right: 2px solid #d1d5db;
    transform: rotate(45deg);
    z-index: 1;
    pointer-events: none;
}

.ac-how-we-work-step__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: #E8F0FE;
    color: var(--ac-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.ac-how-we-work-step:hover .ac-how-we-work-step__icon {
    background: var(--ac-primary);
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(0,70,140, 0.3);
    transform: scale(1.1);
}

.ac-how-we-work-step__number {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ac-primary);
    margin-bottom: 0.5rem;
}

.ac-how-we-work-step__title {
    font-size: 1.0625rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.ac-how-we-work-step__desc {
    font-size: 0.875rem;
    color: #6b7280;
    line-height: 1.5;
}

/* Responsive: stack vertically on mobile */
@media (max-width: 1024px) {
    .ac-how-we-work-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .ac-how-we-work-step:not(:last-child)::after {
        display: none;
    }

    .ac-how-we-work-step {
        display: flex;
        align-items: flex-start;
        text-align: left;
        gap: 1rem;
        padding: 1rem 0;
    }

    .ac-how-we-work-step__icon {
        flex-shrink: 0;
        width: 48px;
        height: 48px;
        margin: 0;
        font-size: 1.125rem;
    }

    .ac-how-we-work-step__number {
        display: none;
    }

    .ac-how-we-work-step__title {
        margin-bottom: 0.25rem;
    }
}

/* ============================================
   Certification Cards - Enhanced Visual Style
   ============================================ */
.ac-cert-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.ac-cert-card {
    background: var(--ac-white);
    border: 1px solid var(--ac-border-light);
    border-radius: var(--ac-radius-lg);
    padding: 2rem;
    box-shadow: var(--ac-shadow-md);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 160px;
    min-height: 160px;
    position: relative;
    overflow: hidden;
}

.ac-cert-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--ac-radius-lg);
    background: linear-gradient(135deg, var(--ac-primary-glow), transparent);
    opacity: 0;
    transition: opacity 0.35s ease;
}

.ac-cert-card:hover {
    box-shadow: var(--ac-shadow-xl);
    border-color: var(--ac-primary);
    transform: translateY(-6px) scale(1.05);
}

.ac-cert-card:hover::before {
    opacity: 1;
}

.ac-cert-card img {
    max-width: 120px;
    max-height: 120px;
    object-fit: contain;
    transition: transform 0.35s ease;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.08));
}

.ac-cert-card:hover img {
    transform: scale(1.1);
}

.ac-cert-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--ac-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--ac-primary);
    margin: 0 auto 1rem;
    transition: all 0.35s ease;
}

.ac-cert-card:hover .ac-cert-icon {
    background: var(--ac-primary);
    color: var(--ac-white);
    transform: scale(1.15);
}

.ac-cert-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--ac-text-primary);
}

.ac-cert-subtitle {
    font-size: 0.75rem;
    color: var(--ac-text-muted);
    margin-top: 0.25rem;
}

/* Certification responsive */
@media (max-width: 768px) {
    .ac-cert-grid {
        gap: 1rem;
    }

    .ac-cert-card {
        min-width: 130px;
        min-height: 130px;
        padding: 1.5rem;
    }

    .ac-cert-card img {
        max-width: 90px;
        max-height: 90px;
    }
}

/* =================================================================
   Trust Bar — unified Certifications + Client Logos layout
   ================================================================= */
/* Trust Bar — 2-column grid (certs left, clients right) */
.ac-trust-bar-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
    width: 100%;
}

.ac-trust-bar__certs {
    min-width: 0;
    grid-column: 1;
}

.ac-trust-bar__clients {
    min-width: 0;
    grid-column: 2;
}

/* Trust Bar — make sub-headings visually subordinate to the Banner title */
.ac-trust-bar__certs .ac-heading-3,
.ac-trust-bar__clients .ac-heading-3 {
    margin-top: 0.5rem;
    color: var(--ac-text-secondary, #64748B);
}

/* Trust Bar — section divider on desktop */
.ac-trust-bar__certs {
    padding-right: 2rem;
    border-right: 1px solid var(--ac-border, #E2E8F0);
}

/* =================================================================
   Trust Bar — Certification cards
   ================================================================= */
/* 3-column layout, larger images */
.ac-cert-grid .company-certifications.lg\:grid-cols-3,
.ac-cert-grid .company-certifications {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
}

.ac-cert-grid .certification-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.ac-cert-grid .certification-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,70,140, 0.15);
    border-color: var(--ac-primary) !important;
}

.ac-cert-grid .certification-item img {
    max-height: 140px !important;
    transition: transform 0.35s ease;
}

.ac-cert-grid .certification-item:hover img {
    transform: scale(1.08);
}

/* Hover overlay — semi-transparent blue mask */
.ac-cert-grid .certification-item::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0,70,140, 0.7);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 5;
    border-radius: 0.75rem;
    pointer-events: none;
}

/* Hover overlay — "Click to View" badge */
.ac-cert-grid .certification-item::after {
    content: "Click to View";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.85);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    padding: 8px 20px;
    border: 2px solid rgba(255, 255, 255, 0.85);
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 6;
    white-space: nowrap;
    pointer-events: none;
    letter-spacing: 0.5px;
}

.ac-cert-grid .certification-item:hover::before {
    opacity: 1;
}

.ac-cert-grid .certification-item:hover::after {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* Certifications responsive — 2 cols on tablet, 1 on mobile */
@media (max-width: 768px) {
    .ac-cert-grid .company-certifications {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 480px) {
    .ac-cert-grid .company-certifications {
        grid-template-columns: 1fr !important;
    }
}

/* Trust Bar responsive */
@media (max-width: 768px) {
    .ac-trust-bar-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .ac-trust-bar__certs {
        grid-column: auto;
        padding-right: 0;
        border-right: none;
        border-bottom: 1px solid var(--ac-border, #E2E8F0);
        padding-bottom: 2rem;
    }

    .ac-trust-bar__clients {
        grid-column: auto;
    }
}

/* ============================================
   Archive Section Divider
   Separates category grid from product listing
   ============================================ */
.ac-section-hr {
    border: 0;
    height: 1px;
    width: 64%;
    max-width: 720px;
    margin: 0 auto;
    background: linear-gradient(
        to right,
        transparent,
        var(--ac-border-light) 25%,
        var(--ac-border-light) 75%,
        transparent
    );
}

/* Line clamp fallback for Tailwind line-clamp */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================================
   Testimonials Grid & Card
   ============================================================ */
.ac-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.ac-testimonial-card {
    position: relative;
    background: #FFFFFF;
    border-radius: 16px;
    padding: 40px 32px 32px;
    display: flex;
    flex-direction: column;
    border: 1px solid #F1F5F9;
    transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                box-shadow 0.35s ease,
                border-color 0.35s ease;
    overflow: hidden;
}

.ac-testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ac-primary), #0077CC);
    opacity: 0;
    transition: opacity 0.35s ease;
}

.ac-testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(0,70,140, 0.10),
                0 8px 16px rgba(0, 0, 0, 0.04);
    border-color: #E2E8F0;
}

.ac-testimonial-card:hover::before {
    opacity: 1;
}

.ac-testimonial-card__quote-icon {
    font-size: 2.5rem;
    color: var(--ac-primary);
    opacity: 0.10;
    margin-bottom: 0;
    display: block;
    line-height: 1;
    position: absolute;
    top: 28px;
    right: 28px;
    pointer-events: none;
}

.ac-testimonial-card__text {
    color: #334155;
    font-style: italic;
    line-height: 1.75;
    margin-bottom: 28px;
    flex-grow: 1;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

.ac-testimonial-card__footer {
    border-top: 1px solid #F1F5F9;
    padding-top: 20px;
}

.ac-testimonial-card__author {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}

.ac-testimonial-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #E8F4FD 0%, #D6ECFB 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ac-primary);
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
    box-shadow: 0 0 0 3px #FFFFFF, 0 0 0 4px #E2E8F0;
}

.ac-testimonial-card__name {
    font-weight: 600;
    color: #0F172A;
    margin: 0 0 3px 0;
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}

.ac-testimonial-card__company {
    font-size: 0.8rem;
    color: #94A3B8;
    margin: 0;
    line-height: 1.4;
}

.ac-testimonial-card__stars {
    display: flex;
    gap: 4px;
    color: #E2E8F0;
    font-size: 0.9rem;
}

.ac-testimonial-card__star--filled {
    color: #F59E0B;
}

@media (max-width: 900px) {
    .ac-testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 640px) {
    .ac-testimonials-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .ac-testimonial-card {
        padding: 28px 24px 24px;
    }

    .ac-testimonial-card__quote-icon {
        font-size: 2rem;
        top: 20px;
        right: 20px;
    }
}

/* ── Hero Slider ── */
.ac-hero-slider { display: flex; flex-direction: column; justify-content: center; min-height: 80vh; padding-bottom: 60px; }
.ac-hero-slides { position: relative; width: 100%; }
.ac-hero-slide { display: none !important; position: relative; padding: 40px 0; }
.ac-hero-slide.active { display: flex !important; align-items: center; animation: acSlideIn 0.4s ease; }
@keyframes acSlideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}
.ac-hero-dots { display: flex; justify-content: center; gap: 8px; position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 10; }
.ac-hero-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--ac-primary, var(--ac-primary)); opacity: 0.35; cursor: pointer; transition: all 0.3s ease; }
.ac-hero-dots span.active { opacity: 1; width: 28px; border-radius: 5px; }
.ac-hero .ac-hero-slide img {
  aspect-ratio: 1.618 / 1;
  object-fit: cover;
}

/* 响应式 */
@media (max-width: 1024px) {
  .ac-hero-slide { padding: 60px 0 30px; }
}
@media (max-width: 768px) {
  .ac-hero-slider { min-height: auto; }
}

/* Catalog Section */
.catalog-section {
  background: linear-gradient(135deg, #0B6BCB 0%, #0a5aab 100%);
  color: #fff;
}

/* ============================================================
   Certificate Lightbox Modal
   ============================================================ */
.cert-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: certFadeIn 0.25s ease;
}

@keyframes certFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.cert-lightbox__content {
  position: relative;
  background: #FFFFFF;
  border-radius: 16px;
  width: 540px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  padding: 0;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  animation: certScaleIn 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes certScaleIn {
  from { transform: scale(0.92); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}

.cert-lightbox__image-wrap {
  background: linear-gradient(135deg, #F1F5F9 0%, #E2E8F0 50%, #F8FAFC 100%);
  padding: 48px 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px 16px 0 0;
  min-height: 200px;
}

.cert-lightbox__close {
  position: absolute;
  top: 12px;
  right: 16px;
  z-index: 10;
  background: rgba(255,255,255,0.9);
  border: none;
  font-size: 1.5rem;
  color: #64748B;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s ease, color 0.2s ease;
  line-height: 1;
  backdrop-filter: blur(4px);
}

.cert-lightbox__close:hover {
  background: #F1F5F9;
  color: #0F172A;
}

.cert-lightbox__image {
  display: block;
  max-width: 100%;
  max-height: 320px;
  object-fit: contain;
}

.cert-lightbox__info {
  padding: 28px 36px 32px;
}

.cert-lightbox__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0F172A;
  text-align: center;
  margin: 0 0 8px 0;
}

.cert-lightbox__desc {
  font-size: 0.9rem;
  color: #64748B;
  text-align: center;
  margin: 0;
  line-height: 1.6;
}

@media (max-width: 640px) {
  .cert-lightbox__image-wrap {
    padding: 32px 20px;
    min-height: 160px;
  }

  .cert-lightbox__image {
    max-height: 240px;
  }

  .cert-lightbox__info {
    padding: 20px 20px 24px;
  }

  .cert-lightbox__name {
    font-size: 1.1rem;
  }

  .cert-lightbox__desc {
    font-size: 0.85rem;
  }
}

/* ============================================================
   Animation Keyframes & Utility Classes
   ============================================================ */
@keyframes ac-reveal {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes animate-slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes animate-slideInRight {
  from {
    opacity: 0;
    transform: translateX(60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.ac-reveal {
  animation: ac-reveal 0.6s ease forwards;
}

.animate-slideInLeft {
  animation: animate-slideInLeft 0.5s ease forwards;
}

.animate-slideInRight {
  animation: animate-slideInRight 0.5s ease forwards;
}

/* ==========================================================================
   Dropdown Menu Styles (extracted from functions.php wp_head inline)
   ========================================================================== */
.menu-item-has-children > .sub-menu {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease-in-out;
    pointer-events: none;
}

.menu-item-has-children:hover > .sub-menu,
.menu-item-has-children:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

/* Dropdown arrow rotation */
.menu-item-has-children > a .fa-chevron-down {
    transition: transform 0.2s ease-in-out;
}

.menu-item-has-children:hover > a .fa-chevron-down {
    transform: rotate(180deg);
}

/* Sub-menu item hover effect */
.sub-menu .menu-item a {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: #374151;
    transition: all 0.15s ease-in-out;
    border-radius: 0.375rem;
}

.sub-menu .menu-item a:hover {
    background-color: #f3f4f6;
    color: #2563eb;
}

/* Mobile menu dropdown support */
@media (max-width: 768px) {
    .menu-item-has-children > .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        pointer-events: auto;
        display: none;
        box-shadow: none;
        padding-left: 1rem;
    }

    .menu-item-has-children.open > .sub-menu {
        display: block;
    }

    .menu-item-has-children > a {
        cursor: pointer;
    }
}

/* ===== Utility: Brand Colors ===== */
.ac-text-primary        { color: var(--ac-primary); }
.ac-text-primary-bright { color: var(--ac-primary-bright); }
.ac-bg-primary          { background: var(--ac-primary); }
.ac-bg-primary-light    { background: var(--ac-primary-light-bg); }
.ac-section-bg          { background: var(--ac-section-bg); }

/* ===== Utility: Font Sizes ===== */
.ac-fs-hero             { font-size: 2.5rem; }
.ac-fs-hero-lg          { font-size: 3rem; }
.ac-fs-hero-xl          { font-size: 8rem; }
.ac-fs-banner-title     { font-size: 2.25rem; }

/* ===== Utility: Animation Delays ===== */
.ac-delay-100 { animation-delay: 0.1s; }
.ac-delay-200 { animation-delay: 0.2s; }
.ac-delay-300 { animation-delay: 0.3s; }
.ac-delay-400 { animation-delay: 0.4s; }
.ac-delay-500 { animation-delay: 0.5s; }
.ac-delay-600 { animation-delay: 0.6s; }
.ac-delay-700 { animation-delay: 0.7s; }

/* ===== Utility: Max Widths ===== */
.ac-max-w-1200 { max-width: 1200px; }

/* ===== Utility: Aspect Ratio ===== */
.ac-aspect-golden { height: 0; padding-bottom: 61.8%; }

/* ===== Utility: Inherit Override ===== */
.ac-inherit-fw-500 { color: inherit !important; font-weight: 500 !important; }

/* ===== Utility: Emerald Accent ===== */
.ac-text-emerald { color: #059669; }

/* ============================================================
   Responsive Visibility Utilities (WordPress 7.0 aligned)
   Breakpoints:
     mobile  → ≤ 639px
     tablet  → 640px – 1023px
     desktop → ≥ 1024px
   ============================================================ */

/* --- Hide on mobile (≤ 639px) --- */
@media (max-width: 639px) {
    .ac-hide-mobile { display: none !important; }
}

/* --- Show only on mobile (≤ 639px) --- */
.ac-show-mobile { display: none !important; }
@media (max-width: 639px) {
    .ac-show-mobile { display: block !important; }
}
.ac-show-mobile.ac-show-mobile--inline { display: none !important; }
@media (max-width: 639px) {
    .ac-show-mobile.ac-show-mobile--inline { display: inline !important; }
}
.ac-show-mobile.ac-show-mobile--flex { display: none !important; }
@media (max-width: 639px) {
    .ac-show-mobile.ac-show-mobile--flex { display: flex !important; }
}

/* --- Hide on tablet (640px – 1023px) --- */
@media (min-width: 640px) and (max-width: 1023px) {
    .ac-hide-tablet { display: none !important; }
}

/* --- Show only on tablet (640px – 1023px) --- */
.ac-show-tablet { display: none !important; }
@media (min-width: 640px) and (max-width: 1023px) {
    .ac-show-tablet { display: block !important; }
}
.ac-show-tablet.ac-show-tablet--inline { display: none !important; }
@media (min-width: 640px) and (max-width: 1023px) {
    .ac-show-tablet.ac-show-tablet--inline { display: inline !important; }
}
.ac-show-tablet.ac-show-tablet--flex { display: none !important; }
@media (min-width: 640px) and (max-width: 1023px) {
    .ac-show-tablet.ac-show-tablet--flex { display: flex !important; }
}

/* --- Hide on desktop (≥ 1024px) --- */
@media (min-width: 1024px) {
    .ac-hide-desktop { display: none !important; }
}

/* --- Show only on desktop (≥ 1024px) --- */
.ac-show-desktop { display: none !important; }
@media (min-width: 1024px) {
    .ac-show-desktop { display: block !important; }
}
.ac-show-desktop.ac-show-desktop--inline { display: none !important; }
@media (min-width: 1024px) {
    .ac-show-desktop.ac-show-desktop--inline { display: inline !important; }
}
.ac-show-desktop.ac-show-desktop--flex { display: none !important; }
@media (min-width: 1024px) {
    .ac-show-desktop.ac-show-desktop--flex { display: flex !important; }
}